299 results on '"Kistler B"'
Search Results
2. Assessing Global Kidney Nutrition Care.
- Author
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Wang AY, Okpechi IG, Ye F, Kovesdy CP, Brunori G, Burrowes JD, Campbell K, Damster S, Fouque D, Friedman AN, Garibotto G, Guebre-Egziabher F, Harris D, Iseki K, Jha V, Jindal K, Kalantar-Zadeh K, Kistler B, Kopple JD, Kuhlmann M, Lunney M, Mafra D, Malik C, Moore LW, Price SR, Steiber A, Wanner C, Ter Wee P, Levin A, Johnson DW, and Bello AK
- Subjects
- Cross-Sectional Studies, Global Health, Health Care Surveys, Humans, Dietary Supplements, Kidney Diseases therapy, Nutrition Therapy
- Abstract
Background and Objectives: Nutrition intervention is an essential component of kidney disease management. This study aimed to understand current global availability and capacity of kidney nutrition care services, interdisciplinary communication, and availability of oral nutrition supplements., Design, Setting, Participants, & Measurements: The International Society of Renal Nutrition and Metabolism (ISRNM), working in partnership with the International Society of Nephrology (ISN) Global Kidney Health Atlas Committee, developed this Global Kidney Nutrition Care Atlas. An electronic survey was administered among key kidney care stakeholders through 182 ISN-affiliated countries between July and September 2018., Results: Overall, 160 of 182 countries (88%) responded, of which 155 countries (97%) answered the survey items related to kidney nutrition care. Only 48% of the 155 countries have dietitians/renal dietitians to provide this specialized service. Dietary counseling, provided by a person trained in nutrition, was generally not available in 65% of low-/lower middle-income countries and "never" available in 23% of low-income countries. Forty-one percent of the countries did not provide formal assessment of nutrition status for kidney nutrition care. The availability of oral nutrition supplements varied globally and, mostly, were not freely available in low-/lower middle-income countries for both inpatient and outpatient settings. Dietitians and nephrologists only communicated "sometimes" on kidney nutrition care in ≥60% of countries globally., Conclusions: This survey reveals significant gaps in global kidney nutrition care service capacity, availability, cost coverage, and deficiencies in interdisciplinary communication on kidney nutrition care delivery, especially in lower-income countries., (Copyright © 2022 by the American Society of Nephrology.)
- Published
- 2022
- Full Text
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3. Intraoperative optical flow based tremor evaluation - a feasibility study
- Author
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Hemm-Ode, S., Wettmann, P., Kistler, B., Behm, P., Schkommodau, E., Coste, J., Lemaire, J., Shah, A., Hemm-Ode, S., Wettmann, P., Kistler, B., Behm, P., Schkommodau, E., Coste, J., Lemaire, J., and Shah, A.
- Published
- 2017
4. Infusion of human umbilical cord tissue mesenchymal stromal cells in children with autism spectrum disorder.
- Author
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Sun JM, Dawson G, Franz L, Howard J, McLaughlin C, Kistler B, Waters-Pick B, Meadows N, Troy J, and Kurtzberg J
- Subjects
- Child, Child, Preschool, Female, Humans, Male, Autism Spectrum Disorder therapy, Mesenchymal Stem Cell Transplantation methods, Umbilical Cord transplantation
- Abstract
Ongoing neuroinflammation may contribute to symptoms of autism spectrum disorder (ASD) in at least a portion of affected individuals. Mesenchymal stromal cells (MSCs) have demonstrated the capacity to modulate neuroinflammation, but safety and feasibility of MSC administration in children with ASD have not been well established. In this open-label, phase I study, 12 children with ASD between 4 and 9 years of age were treated with intravenous (IV) infusions of human cord tissue mesenchymal stromal cells (hCT-MSCs), a third-party MSC product manufactured from unrelated donor umbilical cord tissue. Children received one, two, or three doses of 2 × 10
6 cells per kilogram at 2-month intervals. Clinical and laboratory evaluations were performed in person at baseline and 6 months and remotely at 12 months after the final infusion. Aside from agitation during the IV placement and infusion in some participants, hCT-MSCs were well tolerated. Five participants developed new class I anti-human leukocyte antigen (HLA) antibodies, associated with a specific lot of hCT-MSCs or with a partial HLA match between donor and recipient. These antibodies were clinically silent and not associated with any clinical manifestations to date. Six of 12 participants demonstrated improvement in at least two ASD-specific measures. Manufacturing and administration of hCT-MSCs appear to be safe and feasible in young children with ASD. Efficacy will be evaluated in a subsequent phase II randomized, placebo-controlled clinical trial., (© 2020 The Authors. STEM CELLS TRANSLATIONAL MEDICINE published by Wiley Periodicals, Inc. on behalf of AlphaMed Press.)- Published
- 2020
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5. In-Center Nutrition Practices of Clinics within a Large Hemodialysis Provider in the United States.
- Author
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Benner D, Burgess M, Stasios M, Brosch B, Wilund K, Shen S, and Kistler B
- Subjects
- Ambulatory Care Facilities trends, Health Care Surveys, Health Facility Administrators psychology, Health Knowledge, Attitudes, Practice, Humans, Nutritional Status, Nutritionists psychology, Organizational Policy, Physician Executives psychology, United States, Ambulatory Care Facilities statistics & numerical data, Attitude of Health Personnel, Drinking, Eating, Renal Dialysis
- Abstract
Background and Objectives: Eating during hemodialysis treatment remains a controversial topic. It is perceived that more restrictive practices in the United States contribute to poorer nutritional status and elevated mortality compared with some other parts of the world. However, in-center food practices in the United States have not been previously described., Design, Setting, Participants, & Measurements: In 2011, we conducted a survey of clinic practices and clinician (dietitian, facility administrator, and medical director) opinions related to in-center food consumption within a large dialysis organization. After the initial survey, we provided clinicians with educational materials about eating during treatment. In 2014, we performed a follow-up survey. Differences in practices and opinions were analyzed using chi-squared tests and logistic regression., Results: In 2011, 343 of 1199 clinics (28.6%) did not allow eating during treatment, 222 clinics (18.2%) did not allow drinking during treatment, and 19 clinics (1.6%) did not allow eating at the facility before or after treatment. In 2014, the proportion of clinics that did not allow eating during treatment had declined to 22.6% (321 of 1422 clinics), a significant shift in practice (P<0.001). Among the 178 (6.8%) clinics that self-reported that eating was "more allowed" in 2014, the main reason for this shift was an increased focus on nutritional status. Among clinicians, a higher percentage encouraged eating during treatment (53.1% versus 37.4%; P<0.05), and facility administrators and medical directors were less concerned about the seven reasons commonly cited for restricting eating during treatment in 2014 compared with 2011 (P<0.05 for all)., Conclusions: We found that 28.6% and 22.6% of hemodialysis clinics within the United States restricted eating during treatment in 2011 and 2014, respectively, a rate more than double that found in an international cohort on which we previously published. However, practices and clinician opinions are shifting toward allowing patients to eat. Additional research is warranted to understand the effect that these practices have on patient outcomes and outline best practices., (Copyright © 2016 by the American Society of Nephrology.)
- Published
- 2016
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6. Two distinct mechanisms contribute to the constitutive activation of RelB in lymphoid cells.
- Author
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Lernbecher, T., primary, Kistler, B., additional, and Wirth, T., additional
- Published
- 1994
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7. Effect of Protein Intake During Hemodialysis on Blood Pressure and Arterial Stiffness Indices
- Author
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Vaios Vasileios, Vaios Vasileios, Resident in Nephrology, Department of Nephrology and Hypertension, AHEPA University Hospital, Aristotle University Of Thessaloniki
- Published
- 2020
8. Convergence of Neuroinflammation, Microbiota, and Parkinson's Disease: Therapeutic Insights and Prospects.
- Author
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Domínguez Rojo, Nerea, Blanco Benítez, Mercedes, Cava, Ramón, Fuentes, José Manuel, Canales Cortés, Saray, and González Polo, Rosa Ana
- Subjects
PARKINSON'S disease ,GUT microbiome ,DISEASE progression ,CENTRAL nervous system ,NEURODEGENERATION - Abstract
Parkinson's disease (PD) is a complex neurodegenerative disorder. Recent evidence reveals connections between neuroinflammatory processes and intestinal microbiota alterations in the progression of this pathology. This comprehensive review explores the intricate relationships between them, highlighting their combined impact on PD. Neuroinflammation, characterized by immune activation in the central nervous system, is increasingly acknowledged as a critical factor in the development of PD. Concurrently, alterations in the gut microbiota composition have been linked to PD, suggesting a potential modulatory role in disease progression. Thus, bidirectional communication along the gut–brain axis has become pivotal in comprehending the pathogenesis of PD. Furthermore, we explore emerging therapeutic strategies that target these interconnected pathways, providing insights into potential avenues for PD treatment. The elucidation of these intricate relationships establishes a promising foundation for innovative therapeutic strategies aimed at altering disease progression and improving the quality of life for individuals affected by PD. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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9. The Influence of Physical Training on Breast Cancer: The Role of Exercise-Induced Myokines in Regulating Breast Cancer Cell Growth and Survival.
- Author
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Natarajan, Anirudh, Pradhan, Rashmita, Dieterich, Walburga, Schwappacher, Raphaela, Reljic, Dejan, Herrmann, Hans J., Neurath, Markus F., Hack, Carolin C., Beckmann, Matthias W., and Zopf, Yurdagül
- Subjects
EXERCISE physiology ,STRENGTH training ,RESISTANCE training ,CANCER cell growth ,MYOKINES - Abstract
The beneficial impact of physical training in lowering cancer risk is well known. However, the precise mechanisms linking physical training and cancer are not fully understood. Skeletal muscle releases various myokines that seem to possess a direct anti-tumor effect. Although breast cancer (BC) is the prevalent form of cancer among women on a global scale, only limited data are available about the secretion of myokines following exercise in patients with BC. To study the effects of exercise on BC, the blood samples of patients with varied stages of BC were analyzed after 12 weeks of resistance training with whole-body electromyostimulation (WB-EMS). Following the training period, we observed that resistance training helps these patients to improve their physical characteristics and performance function by increasing skeletal muscle mass and strengthening their hand grip. Notably, the patient's serum was found to inhibit the growth and promote the apoptosis of BC cells in vitro. Moreover, the conditioned medium collected from in vitro stimulated human myotubes using electric pulse stimulation (EPS), an in vitro simulation of WB-EMS training, induced the cell death of BC cells. These results highlighted the direct cancer-protective effects of activated skeletal muscle. In line with our observed effects of serum from exercise-trained pancreatic and prostate cancer patients, the growth of BC cells was notably inhibited when supplemented directly with recombinant myokines C-X-C motif ligand 1 (CXCL1), Interleukin 10 (IL10), and C-C motif chemokine ligand 4 (CCL4). Notably, treatment with these myokines also increased the expression of caspase 3/7 (Casp3/7), resulting in enhanced BC cell death. Our data strongly suggest that physical exercise has a positive impact on skeletal muscle mass and hand grip strength in BC patients, along with a significant anti-tumor effect in BC cells. This shows promising potential for considering sports and physical training as supportive therapies for achieving more impactful cancer treatment. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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10. Adaptation of Fusarium Head Blight Pathogens to Changes in Agricultural Practices and Human Migration.
- Author
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Yang, Meixin, Smit, Sandra, de Ridder, Dick, Feng, Jie, Liu, Taiguo, Xu, Jinrong, van der Lee, Theo A. J., Zhang, Hao, and Chen, Wanquan
- Subjects
HUMAN migrations ,CROPPING systems ,AGRICULTURE ,GENOMICS ,CROPS - Abstract
Fusarium head blight (FHB) is one of the most destructive wheat diseases worldwide. To understand the impact of human migration and changes in agricultural practices on crop pathogens, here population genomic analysis with 245 representative strains from a collection of 4,427 field isolates of Fusarium asiaticum, the causal agent of FHB in Southern China is conducted. Three populations with distinct evolution trajectories are identifies over the last 10,000 years that can be correlated with historically documented changes in agricultural practices due to human migration caused by the Southern Expeditions during the Jin Dynasty. The gradual decrease of 3ADON‐producing isolates from north to south along with the population structure and spore dispersal patterns shows the long‐distance (>250 km) dispersal of F. asiaticum. These insights into population dynamics and evolutionary history of FHB pathogens are corroborated by a genome‐wide analysis with strains originating from Japan, South America, and the USA, confirming the adaptation of FHB pathogens to cropping systems and human migration. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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11. Intradialytic oral nutrition effects on malnourished hemodialysis patients: a randomized trial.
- Author
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Satirapoj, Bancha, Apiyangkool, Tanin, Thimachai, Paramat, Nata, Naowanit, and Supasyndh, Ouppatham
- Abstract
Oral nutritional supplementation (ONS) is recommended for malnourished hemodialysis patients when their nutritional intake remains inadequate to meet energy and protein requirements. Patients were randomized into two groups: the intradialytic ONS supplements (INTRA-ONS) group (N = 16) and the interdialytic ONS supplements (INTER-ONS) group (N = 16) for a duration of 12 weeks. Malnutrition inflammation score (MIS) and serum albumin levels were assessed. The total MIS decreased significantly in patients from both the INTRA-ONS group (− 6.13, 95% CI − 8.29 to − 3.96) and the INTER-ONS group (− 3.50, 95% CI − 5.56 to − 1.35). A significant difference in the change of MIS was observed between the two groups (− 3.06, 95% CI − 5.94 to − 0.17). No significant differences were observed between the groups concerning serum albumin levels, dietary intake, anthropometric measurements, or body weight. Intradialytic ONS demonstrates similar benefits on nutritional biomarkers but improves the MIS among malnourished ESRD patients compared to interdialytic ONS. Trial registration Thai Clinical Trials Registry (TCTR) identification number is TCTR20220322007: 16/09/2021. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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12. Human umbilical cord-derived mesenchymal stem cells alleviate valproate-induced immune stress and social deficiency in rats.
- Author
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Shixiong Sun, Shilin Luo, Jie Chen, Ou Zhang, Qiongying Wu, Nianju Zeng, Jinlian Bi, Chunbing Zheng, Tenglong Yan, Zhiyuan Li, Jindong Chen, Yilei Zhang, and Bing Lang
- Subjects
AUTISM spectrum disorders ,MESENCHYMAL stem cells ,LABORATORY rats ,TREATMENT effectiveness ,VALPROIC acid - Abstract
Introduction: Autism spectrum disorders (ASD) are a set of heterogeneous neurodevelopmental disorders characterized by impaired social interactions and stereotypic behaviors. Current clinical care is palliative at the most and there remains huge unmet medical need to fully address the core symptoms of ASD. Human umbilical cord-derived mesenchymal stem cells (hUC-MSCs) are emerging as a promising candidate for ASD treatment, but the precise mechanism remains controversial. Methods: In vitro studies we performed the transwell migration assay to explore the interaction between hUC-MSCs and the primary-cultured cortical neurons. Then we determined the therapeutic effects of intravenous administration of hUC-MSCs in rats challenged with valproic acid (VPA) during gestation, a well-defined rat model of autism. Results: Our studies showed that hUC-MSCs promoted the growth of primary-cultured cortical neurons. Furthermore, our results demonstrated that hUC-MSCs significantly alleviated microglial activation in the brain, especially in the anterior cingulate cortex, and effectively improved the sociability of the VPA-exposed rats. Discussion: These results offer valuable insights for clinical translation and further research on the mechanisms of hUC-MSCs in psychiatric disorders characterized by microglial activation, particularly in cases of autism, shall be warranted. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
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13. Sarcopenia.
- Author
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Méndez Romero, Yolanda del C., Valenzuela Gandarilla, Josefina, Serralde Pantoja, Luz María, Calvo Higuera, Isabel, de la Cruz Castillo Pineda, Juan Carlos, Santa María, Olga Gómez, Juan Rojas Ramírez, Chilam Balam, Flores Solís, María Dolores, Maurer Pons, Alexandra, Hernández Aranda, Juan Carlos, Garcés Bustos, Consuelo Leticia, Arenas Moya, Diego, Mendoza Hernández, Alma Nubia, Chirino Romo, Jorge, Sánchez Medina, Jorge Rosendo, García Vargas, Cynthia, Romero Manrique, Luz María, Serna Thomé, María Guadalupe, Fuchs Tarlovsky, Vanessa, and Galindo Mendoza, Luis
- Abstract
Copyright of Medicina Interna de Mexico is the property of Colegio de Medicina Interna de Mexico and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2024
14. Numerical studies of bubble pulsation in viscoelastic media under dual-frequency ultrasound.
- Author
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Wang, Yu, Chen, Dehua, and Li, Jiahui
- Published
- 2024
- Full Text
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15. Arterial stiffness and walk time in patients with end-stage renal disease.
- Author
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Lane AD, Wu PT, Kistler B, Fitschen P, Tomayko E, Jeong JH, Chung HR, Yan H, Ranadive SM, Phillips S, Fernhall B, and Wilund K
- Subjects
- Adult, Aged, Anthropometry, Blood Pressure physiology, Diabetes Complications physiopathology, Elasticity, Electrocardiography, Female, Humans, Male, Manometry, Middle Aged, Pulse, Regression Analysis, Renal Dialysis, Kidney Failure, Chronic physiopathology, Vascular Stiffness physiology, Walking physiology
- Abstract
Background: End-stage renal disease patients experience increased prevalence of cardiovascular disease. Heart-artery interaction may be shifted, impacting blood pressure lability, and exercise tolerance. The coupling ratio consists of the ratio of indexed arterial elastance (EaI, arterial load) to ElvI, a measure of cardiac contractility or stiffness. Our purpose was to explore the relationship between elastances and functional capacity. We hypothesized that arterial stiffness (central pulse wave velocity, PWV) and elastances would be correlated to shuttle walk time., Methods: We used applanation tonometry, ultrasonography, and a shuttle walk test to evaluate our hypothesis. Spearman's correlations were used to assess relationships between variables. Block regression was also performed., Results: Forty-two subjects on maintenance hemodialysis participated. Average age=44±5 years, body surface area=2.01 kg/m(2). Mean EaI=4.45 and mean ElvI=6.89; the coupling ratio=0.82. Mean aortic pulse pressure=51 mmHg and PWV=9.6 m/s. PWV(r=-0.385) and EaI (r=-0.424) were significantly and inversely related to walking time while stroke volume index (SVI) was positively correlated to shuttle walk time (r=0.337), p<0.05 for all., Conclusions: We conclude that, like other clinical populations, both arterial and heart function predict walking ability and represent potential targets for intervention; arterial stiffness and SVI are strongly related to shuttle walk time in patients with ESRD., (Copyright © 2013 S. Karger AG, Basel.)
- Published
- 2013
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16. CXCR2 inverse agonism detected by arrestin redistribution.
- Author
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Kredel S, Wolff M, Wiedenmann J, Moepps B, Nienhaus GU, Gierschik P, Kistler B, and Heilker R
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- Animals, Arrestin genetics, Cattle, Cell Line, Chemokine CXCL1 genetics, Chemokine CXCL1 metabolism, Endocytosis physiology, Green Fluorescent Proteins genetics, Green Fluorescent Proteins metabolism, Guanosine 5'-O-(3-Thiotriphosphate) metabolism, Humans, Luminescent Proteins genetics, Luminescent Proteins metabolism, Receptors, G-Protein-Coupled metabolism, Receptors, Interleukin-8B genetics, Recombinant Fusion Proteins genetics, Red Fluorescent Protein, Arrestin metabolism, Benzamides pharmacology, Cyclobutanes pharmacology, Receptors, Interleukin-8B agonists, Receptors, Interleukin-8B metabolism, Recombinant Fusion Proteins metabolism
- Abstract
To study CXCR2 modulated arrestin redistribution, the authors employed arrestin as a fusion protein containing either the Aequorea victoria-derived enhanced green fluorescent protein (EGFP) or a recently developed mutant of eqFP611, a red fluorescent protein derived from Entacmaea quadricolor. This mutant, referred to as RFP611, had earlier been found to assume a dimeric quarternary structure. It was therefore employed in this work as a "tandem" (td) construct for pseudo-monomeric fusion protein labeling. Both arrestin fusion proteins, containing either td-RFP611 (Arr-td-RFP611) or enhanced green fluorescent protein (EGFP; Arr-EGFP), were found to colocalize with internalized fluorescently labeled Gro-alpha a few minutes after Gro-alpha addition. Intriguingly, however, Arr-td-RFP611 and Arr-EGFP displayed distinct cellular distribution patterns in the absence of any CXCR2-activating ligand. Under these conditions, Arr-td-RFP611 showed a largely homogeneous cytosolic distribution, whereas Arr-EGFP segregated, to a large degree, into granular spots. These observations indicate a higher sensitivity of Arr EGFP to the constitutive activity of CXCR2 and, accordingly, an increased arrestin redistribution to coated pits and endocytic vesicles. In support of this interpretation, the authors found the known CXCR2 antagonist Sch527123 to act as an inverse agonist with respect to Arr-EGFP redistribution. The inverse agonistic properties of Sch527123 were confirmed in vitro in a guanine nucleotide binding assay, revealing an IC(50) value similar to that observed for Arr-EGFP redistribution. Thus, the redistribution assay, when based on Arr-EGFP, enables the profiling of antagonistic test compounds with respect to inverse agonism. When based on Arr-td-RFP611, the assay may be employed to study CXCR2 agonism or neutral antagonism.
- Published
- 2009
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17. The mutant plasmacytoma cell line S107 allows the identification of distinct pathways leading to NF-kappaB activation.
- Author
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Baumann, B, Kistler, B, Kirillov, A, Bergman, Y, and Wirth, T
- Abstract
Studies on the mechanisms of inducible and constitutive activity of NF-kappaB transcription factors have been hampered by the lack of appropriate mutant cell lines. We have analyzed the defect in the murine S107 plasmacytoma cell line, which was previously found to lack both constitutive and inducible NF-kappaB activity. Our analysis shows that these cells bear a specific defect that interferes with NF-kappaB induction by many diverse stimuli, such as lipopolysaccharide, phorbol 12-myristate 13-acetate, UV light, x-rays, and H2O2. This does not however represent a general signal transduction defect, because AP-1 transcription factors are readily induced by the same stimuli. Phosphatase inhibitors such as okadaic acid as well as calyculin A can efficiently induce NF-kappaB in S107 cells via a pathway apparently insensitive to the radical scavenger pyrrolidine dithiocarbamate. Furthermore, MEKK1 a protein kinase supposedly induced by some of the above stimuli, is also capable of activating NF-kappaB. Interestingly, both the potent physiological inducer of NF-kappaB TNFalpha as well as endoplasmic reticulum overload can induce NF-kappaB via a PDTC sensitive pathway. In all cases, DNA-binding NF-kappaB complexes are comprised predominantly of p50-RelA heterodimers, and NF-kappaB activation results in the induction of transiently transfected or resident reporter genes. In summary, these results suggest that the pathways for many NF-kappaB-inducing stimuli converge at a specific junction, and this pivotal step is mutated in the S107 cell line. Yet there are alternative routes bypassing this critical step that also lead to NF-kappaB induction. These routes utilized by tumor necrosis factor alpha and endoplasmic reticulum overload are still intact in this cell line.
- Published
- 1998
18. Whole body resistance training on functional outcomes of patients with Stage 4 or 5 chronic kidney disease: A systematic review.
- Author
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Abrahim, Salma, Steele, Alexandra P., Voth, Jennifer, Krepinsky, Joan C., Lanktree, Matthew B., and Hawke, Thomas J.
- Subjects
RESISTANCE training ,CHRONIC kidney failure ,FUNCTIONAL training ,FUNCTIONAL status ,SCIENTIFIC literature - Abstract
Chronic kidney disease (CKD) causes skeletal muscle wasting, resulting in reduced function and inability to live independently. This systematic review critically appraised the scientific literature regarding the effects of full‐body resistance training on clinically‐relevant functional capacity measures in CKD. The study population included studies of people with Stage 4 or 5 CKD and a mean age of 40+ years old. Eight databases were searched for eligible studies: Pubmed, Embase, Cochrane, CINAHL, Scopus, Web of Science, MEDLINE, and AGELINE. MeSH terms and keyword combinations were used for screening following the PRISMA conduct. Inclusion criteria were based on PICO principles and no date of publication filter was applied. The intervention was training 2 days/week of structured resistance exercises using major upper and lower muscle groups. Minimum intervention period was 7 weeks. Comparison groups maintained their habitual activity without structured exercise training. Outcome measures of interest were: 6‐min walk test, grip strength, timed up‐and‐go test, and sit‐to‐stand. Eight randomized controlled trials and one nonequivalent comparison‐group study fulfilled the inclusion criteria and underwent data extraction. All studies were of hemodialysis patients. The evidence indicates that full‐body resistance exercise significantly improved grip strength, timed up and go and sit to stand tests; metrics associated with enhanced quality and quantity of life. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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19. Effects of different exercise modalities on inflammatory markers in the obese and overweight populations: unraveling the mystery of exercise and inflammation.
- Author
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Yongqing Guo, Haonan Qian, Xianyang Xin, and Qinlong Liu
- Subjects
EXERCISE physiology ,AEROBIC exercises ,TUMOR necrosis factors ,OBESITY ,EXERCISE therapy - Abstract
In the realm of obesity and overweight, the risk of chronic diseases significantly escalates, closely intertwined with inflammatory factors. Research suggests that specific exercise interventions, particularly aerobic exercise and resistance exercise, can have beneficial effects on inflammation levels. However, debates persist regarding the actual impact of exercise in the obese and overweight population. We employed meta-analysis research methods and searched the China National Knowledge Infrastructure Wanfang Data, PubMed, and Web of Science databases to gather controlled experiments on the effects of resistance exercise or aerobic exercise on C-reactive protein (CRP), interleukin-6 (IL-6), and tumor necrosis factor-alpha (TNF-α). Two researchers independently conducted literature screening and data extraction. The quality of the literature was assessed according to the Cochrane Handbook standards, and subgroup analyses of CRP, IL-6, and TNF-α were performed using RevMan 5.4 software. Through quantitative synthesis of results from 22 selected studies encompassing a total of 1,135 research subjects, this study systematically explored the specific regulatory effects of different exercise modalities on inflammatory markers in the obese and overweight population. The findings indicate that both aerobic exercise and resistance exercise effectively reduce CRP levels in obese individuals, with aerobic exercise demonstrating a more pronounced effect. Aerobic exercise also significantly lowers IL-6 levels, while the impact of resistance exercise on IL-6 is relatively minor. However, in terms of reducing TNF-α levels, neither modality appears to exert a significant effect. Overall, exercise, especially aerobic exercise, emerges as a positive regulator of inflammatory markers in the context of obesity and overweight. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
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20. Association of Knowledge and Health Habits with Physiological Hydration Status.
- Author
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McDermott, Brendon P., Zhao, Xiujing, and Veilleux, Jennifer C.
- Abstract
The association of hydration knowledge and health habits with hydration status and fluid intake is rarely examined. We sought to determine whether knowledge or physical health behaviors predict physiological hydration status and fluid intake. Ninety-six participants (59 female; 27 ± 10 year) completed the previously validated hydration survey. Participants then recorded total fluids consumed (TFC), collected urine, and tracked void frequency for 24 h. Hydration status was assessed via 24 h urine specific gravity (USG) and osmolality (U
osm ). Health behaviors included self-reported physical activity, BMI, smoking, alcoholic drinking, and sleep status. TFC was significantly correlated with 24 h USG (r = −0.390; p < 0.001), Uosm (r = −0.486; p < 0.001), total urine volume (r = 0.675; p < 0.001), and void frequency (r = 0.518; p < 0.001). Hydration knowledge was not correlated with 24 h USG (r = 0.085; p = 0.420), Uosm (r = 0.087; p = 0.419), urine total volume (r = 0.019; p = 0.857), void frequency (r = 0.030; p = 0.771), or TFC (r = 0.027; p = 0.813). Hydration knowledge did not predict 24 h USG (LR+ = 1.10; LR− = 0.90), Uosm (LR+ = 0.81; LR− = 1.35), or TFC (LR+ = 1.00; LR− = 1.00). Health habits did not predict 24 h USG, Uosm , or TFC. In conclusion, self-reported 24 h diet and fluid log recording is comparable to hydration status verification via 24 h urine collection. Hydration knowledge and health habits are not related to, or predictive of, hydration status. [ABSTRACT FROM AUTHOR]- Published
- 2024
- Full Text
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21. Mesenchymal Stem Cells and Purinergic Signaling in Autism Spectrum Disorder: Bridging the Gap between Cell-Based Strategies and Neuro-Immune Modulation.
- Author
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Wikarska, Agata, Roszak, Kacper, and Roszek, Katarzyna
- Subjects
AUTISM spectrum disorders ,MESENCHYMAL stem cells ,CELL communication ,STEM cells ,AUTISTIC people - Abstract
The prevalence of autism spectrum disorder (ASD) is still increasing, which means that this neurodevelopmental lifelong pathology requires special scientific attention and efforts focused on developing novel therapeutic approaches. It has become increasingly evident that neuroinflammation and dysregulation of neuro-immune cross-talk are specific hallmarks of ASD, offering the possibility to treat these disorders by factors modulating neuro-immunological interactions. Mesenchymal stem cell-based therapy has already been postulated as one of the therapeutic approaches for ASD; however, less is known about the molecular mechanisms of stem cell influence. One of the possibilities, although still underestimated, is the paracrine purinergic activity of MSCs, by which stem cells ameliorate inflammatory reactions. Modulation of adenosine signaling may help restore neurotransmitter balance, reduce neuroinflammation, and improve overall brain function in individuals with ASD. In our review article, we present a novel insight into purinergic signaling, including but not limited to the adenosinergic pathway and its role in neuroinflammation and neuro-immune cross-talk modulation. We anticipate that by achieving a greater understanding of the purinergic signaling contribution to ASD and related disorders, novel therapeutic strategies may be devised for patients with autism in the near future. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
22. Wire Rope Lubricator Cleaner.
- Author
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DEPARTMENT OF THE NAVY WASHINGTON DC, Crosby,Kistler B, DEPARTMENT OF THE NAVY WASHINGTON DC, and Crosby,Kistler B
- Abstract
This invention relates generally to lubricating and cleaning apparatus. In particular, this invention relates to an apparatus for supplying a lubricant cleaner to a wire cable so as to lubricate and clean the wire cable. (Author)
- Published
- 1980
23. Glutamate-dependent activation of NF-kappaB during mouse cerebellum development.
- Author
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Guerrini L, Molteni A, Wirth T, Kistler B, and Blasi F
- Subjects
- 2-Amino-5-phosphonovalerate pharmacology, 6-Cyano-7-nitroquinoxaline-2,3-dione pharmacology, Age Factors, Animals, Antibody Specificity, Cell Nucleus chemistry, Cell Nucleus metabolism, Cerebellum chemistry, Cerebellum drug effects, Cycloleucine analogs & derivatives, Cycloleucine pharmacology, Cytoplasm chemistry, Cytoplasm metabolism, Excitatory Amino Acid Agonists pharmacology, Excitatory Amino Acid Antagonists pharmacology, Gene Expression Regulation, Developmental drug effects, Gene Expression Regulation, Developmental physiology, Injections, Intraperitoneal, Mice, Mice, Transgenic, N-Methylaspartate pharmacology, NF-kappa B drug effects, NF-kappa B immunology, Neuroprotective Agents pharmacology, Neurotransmitter Agents metabolism, Transgenes physiology, Cerebellum growth & development, Glutamic Acid pharmacology, NF-kappa B metabolism
- Abstract
NF-kappaB and activator protein 1 (AP-1) are dimeric transcription factors involved in transcriptional regulation in many cells, including neurons. We have examined their activity during mouse cerebellum development, a postnatal process starting just after birth and completed by the fourth postnatal (PN) week. The activity of these factors was analyzed by binding of nuclear extracts to a synthetic oligonucleotide representing the kappaB site of human immunodeficiency virus or the AP-1 site of the urokinase promoter. NF-kappaB activity was observed from 7 PN, was restricted to the developing cerebellum, and was not observed in the early postnatal neocortex and hippocampus. On the other hand, AP-1 activity was not found in cerebellum but was present in both neocortex and hippocampus. Moreover, a kappaB-driven transgene was found to be increasingly expressed in the cerebellum from 5 PN to 10 PN but not in the adult. The regulation of NF-kappaB activation in mouse cerebellum was analyzed by intraperitoneal injection of glutamate receptor antagonists to 9 PN mice, which abolished NF-kappaB-binding activity, suggesting an endogenous loop of glutamate receptor activation. Glutamate receptor agonists, on the other hand, induced NF-kappaB nuclear translocation in the cerebellum of 5 PN mice, which is a stage in which NF-kappaB is not yet endogenously activated. This effect was specific for NF-kappaB and not observed for AP-1. In adult mice, NF-kappaB activity was absent in the cerebellum and was not induced by intraperitoneal injection of glutamate receptor agonists. These data show that NF-kappaB is specifically activated during cerebellum development and indicate an important role of glutamate receptors in this process.
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- 1997
24. Intraoperative optical flow based tremor evaluation - a feasibility study
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Hemm-Ode, S., Wettmann, P., Kistler, B., Behm, P., Schkommodau, E., Coste, J., Lemaire, J., Shah, A., Hemm-Ode, S., Wettmann, P., Kistler, B., Behm, P., Schkommodau, E., Coste, J., Lemaire, J., and Shah, A.
25. Intermittent blood flow restriction with low-load resistance training for older adults with knee osteoarthritis: a randomized, controlled, non-inferiority trial protocol.
- Author
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Hong, Qiao-Mei, Wang, Hao-Nan, Liu, Xi-Hui, Zhou, Wen-Qi, and Luo, Xiao-Bing
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RESISTANCE training ,KNEE osteoarthritis ,BLOOD flow ,OLDER people ,PHYSICAL mobility ,MUSCLE mass ,MUSCLE strength - Abstract
Background: Knee osteoarthritis (KOA) is a chronic musculoskeletal disorder characterized by pain and functional impairment. Blood flow restriction (BFR) with low-load resistance training (LLRT) demonstrates a similar improvement in clinical outcomes to high-load resistance training (HLRT) in treating KOA. It has not been established whether intermittent blood flow restriction (iBFR) with LLRT can lead to clinical outcomes that are comparable to those produced by continuous blood flow restriction (cBFR) with LLRT and HLRT. The aim of the proposed study is to evaluate the efficacy of iBFR with LLRT on pain, Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), muscle strength, muscle mass, physical function, perceptions of discomfort and effort, and adherence in KOA patients. Methods: This is a three-arm, non-inferiority, randomized controlled trial utilizing blinded assessors. Two hundred thirteen participants will be randomly allocated to one of the following three groups: iBFR group—receiving 4 months of LLRT with iBFR, twice weekly (n = 71); cBFR group—receiving 4 months of LLRT with cBFR, twice weekly (n = 71); or HLRT group—receiving 4 months of HLRT without BFR, twice weekly (n = 71). The primary outcome is pain. The secondary outcomes include the WOMAC, muscle strength, muscle mass, physical function, perceptions of discomfort and effort, and adherence. Pain and WOMAC will be measured at the baseline and 4 and 12 months after randomizations. Muscle strength, muscle mass, and physical function will be measured at the baseline and 4 months after randomizations. The perceptions of discomfort and effort will be measured during the first and final sessions. Discussion: BFR with LLRT has a similar improvement in clinical outcomes as HLRT. However, cBFR may cause elevated ratings of perceived exertion and local discomfort, compromising patient tolerability and treatment adherence. If iBFR with LLRT could produce improvement in clinical outcomes analogous to those of HLRT and iBFR with LLRT, it could be considered an alternative approach for treating patients with KOA. Trial registration: Chinese Clinical Trial Registry ChiCTR2300072820. Registered on June 26, 2023. [ABSTRACT FROM AUTHOR]
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- 2024
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26. The Role of FKBPs in Complex Disorders: Neuropsychiatric Diseases, Cancer, and Type 2 Diabetes Mellitus.
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Agam, Galila, Atawna, Bayan, Damri, Odeya, and Azab, Abed N.
- Subjects
TYPE 2 diabetes ,NEUROBEHAVIORAL disorders ,TAU proteins ,ALZHEIMER'S disease ,HUNTINGTON disease ,SINGLE nucleotide polymorphisms ,HUNTINGTIN protein ,PEROXISOME proliferator-activated receptors - Abstract
Stress is a common denominator of complex disorders and the FK-506 binding protein (FKBP)51 plays a central role in stress. Hence, it is not surprising that multiple studies imply the involvement of the FKBP51 protein and/or its coding gene, FKBP5, in complex disorders. This review summarizes such reports concentrating on three disorder clusters—neuropsychiatric, cancer, and type 2 diabetes mellitus (T2DM). We also attempt to point to potential mechanisms suggested to mediate the effect of FKBP5/FKBP51 on these disorders. Neuropsychiatric diseases considered in this paper include (i) Huntington's disease for which increased autophagic cellular clearance mechanisms related to decreased FKBP51 protein levels or activity is discussed, Alzheimer's disease for which increased FKBP51 activity has been shown to induce Tau phosphorylation and aggregation, and Parkinson's disease in the context of which FKBP12 is mentioned; and (ii) mental disorders, for which significant association with the single nucleotide polymorphism (SNP) rs1360780 of FKBP5 intron 7 along with decreased DNA methylation were revealed. Since cancer is a large group of diseases that can start in almost any organ or tissue of the body, FKBP51's role depends on the tissue type and differences among pathways expressed in those tumors. The FKBP51–heat-shock protein-(Hsp)90–p23 super-chaperone complex might function as an oncogene or as a tumor suppressor by downregulating the serine/threonine protein kinase (AKt) pathway. In T2DM, two potential pathways for the involvement of FKBP51 are highlighted as affecting the pathogenesis of the disease—the peroxisome proliferator-activated receptor-γ (PPARγ) and AKt. [ABSTRACT FROM AUTHOR]
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- 2024
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27. The relationship between fatigue, pruritus, and thirst distress with quality of life among patients receiving hemodialysis: a mediator model to test concept of treatment adherence.
- Author
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Sharif-Nia, Hamid, Marôco, João, Froelicher, Erika Sivarajan, Barzegari, Saeed, Sadeghi, Niloofar, and Fatehi, Reza
- Subjects
PATIENT compliance ,FATIGUE (Physiology) ,QUALITY of life ,ITCHING ,HEMODIALYSIS patients ,MUSCLE fatigue - Abstract
Hemodialysis is a conservative treatment for end-stage renal disease. It has various complications which negatively affect quality of life (QOL). This study aimed to examine the relationship between fatigue, pruritus, and thirst distress (TD) with QOL of patients receiving hemodialysis, while also considering the mediating role of treatment adherence (TA). This cross-sectional study was carried out in 2023 on 411 patients receiving hemodialysis. Participants were consecutively recruited from several dialysis centers in Iran. Data were collected using a demographic information form, the Fatigue Assessment Scale, the Thirst Distress Scale, the Pruritus Severity Scale, the 12-Item Short Form Health Survey, and the modified version of the Greek Simplified Medication Adherence Questionnaire for Hemodialysis Patients. Covariance-based structural equation modeling was used for data analysis. The structural model and hypothesis testing results showed that all hypotheses were supported in this study. QOL had a significant inverse association with fatigue, pruritus, and TD and a significant positive association with TA. TA partially mediated the association of QOL with fatigue, pruritus, and TD, denoting that it helped counteract the negative association of these complications on QOL. This model explained 68.5% of the total variance of QOL. Fatigue, pruritus, and TD have a negative association with QOL among patients receiving hemodialysis, while TA reduces these negative associations. Therefore, TA is greatly important to manage the associations of these complications and improve patient outcomes. Healthcare providers need to assign high priority to TA improvement among these patients to reduce their fatigue, pruritus, and TD and improve their QOL. Further studies are necessary to determine the most effective strategies for improving TA and reducing the burden of complications in this patient population. [ABSTRACT FROM AUTHOR]
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- 2024
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28. The therapeutic role of exercise training during menopause for reducing vascular disease.
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Shing CLH, Bond B, Moreau KL, Coombes JS, and Taylor JL
- Abstract
Menopause marks a major milestone in female reproductive ageing. It is characterized by the cessation of ovarian function and a concomitant decline in hormones such as oestradiol. Subsequently, females undergoing menopausal transition experience a progressive increase in cardiovascular and cerebrovascular disease risk. During menopause, reductions in nitric oxide (NO) bioavailability, endothelial dysfunction, increases in systemic inflammation, oxidative stress, and impaired vascular remodelling may contribute towards an accelerated decline in the function of cerebral and peripheral vascular systems. Historically, hormone therapy (HT) has been used as a means of managing vascular disease risk and reducing menopause-associated vasomotor symptoms such as hot flushes, though some studies suggest regular exercise has the potential to be a promising alternative. Regular aerobic exercise during early postmenopause may slow vascular decline by improving NO and oestradiol bioavailability, promoting positive vascular remodelling and lowering systemic inflammation. However, exercise-mediated improvements in markers of vascular function are not consistently observed in oestradiol-deficient postmenopausal women. Emerging evidence suggests that due to the greater oestradiol bioavailability during early postmenopause, vascular adaptations to exercise may be enhanced during this stage, as opposed to late postmenopause. Subsequently it may be important to begin regular exercise in the years preceding and immediately following the final menstrual period to slow the progression of vascular disease risk during perimenopause and beyond. The present review will provide a summary of our current understanding of how vascular function is affected during menopause and the role of regular aerobic and resistance exercise training in managing vascular disease risk., (© 2024 The Author(s). Experimental Physiology published by John Wiley & Sons Ltd on behalf of The Physiological Society.)
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- 2024
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29. Analysis of depression status and influencing factors in middle-aged and elderly patients with chronic diseases.
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Wenjie Lin, Danling Zhang, YiMin Wang, Li Zhang, and Jianchuan Yang
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MIDDLE-aged persons ,OLDER patients ,CHRONICALLY ill ,OLDER people ,SYMPTOMS ,RURAL poor ,MENTAL depression ,GERIATRIC Depression Scale - Abstract
Objectives: To explore prevalence of depression and its influencing factors in middle-aged and elderly patients with chronic diseases. Method: Data were extracted from the 2018 China Health and Retirement Tracking Survey (CHARLS) for 6,704 middle-aged and elderly patients ≥45 years with chronic diseases. The influencing variables were selected based on LASSOlogistic regression model, and a nomogram was further drawn to visualize regression results. Results: Comorbidity between chronic diseases and depression symptoms were detected in 3058 individuals (45.6%). Female, rural, lower education, poor, insomnia, multiple chronic disease, and functional impairment were associated with a higher proportion of depression. Meanwhile, family interaction, intergenerational financial support, social activity intensity, and satisfaction with life can protect against depression. Conclusion: Depressive symptoms are common in Chinese older adults with chronic diseases. They need regular assessment and intervention, especially those with multiple diseases, female, rural, alone, impaired, poor sleep, or poor economy. These high-risk elders also need family, medical, and social support and care. [ABSTRACT FROM AUTHOR]
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- 2024
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30. Investigating Nutrition and Hydration Knowledge and Practice among a Cohort of Age-Grade Rugby Union Players.
- Author
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Scanlon, Shane and Norton, Catherine
- Abstract
Optimal athletic performance relies on meeting specific nutritional requirements, encompassing adequate calorie intake, macronutrient intake, and hydration. Misinformation or misconceptions about these necessities are prevalent among young athletes. This study investigated nutrition and hydration knowledge and practices among 28 male rugby union players aged 16 to 17, participating in Munster Rugby's 2023 Summer Age-Grade Development Programme, specifically the U18′s Schools Squad. The Nutrition for Sport Knowledge Questionnaire assessed nutrition knowledge, while the Hydration Assessment Questionnaire evaluated hydration knowledge. Urinalysis for hydration status utilised urine specific gravity measurements pre-exercise on five separate days (1.018 ± 0.008 U
sg ). Dietary intake was recorded using a 3-day estimated food intake record on the Libro App, analysed with Nutritics software(Version 9.50). Suboptimal nutrition knowledge (49.6 ± 8.2%) and dietary practices were observed, with incongruent nutrient intakes compared to recommendations for adolescent athletes. While superior hydration knowledge (79.0 (77.3, 83.6) %) was evident, pre-exercise urine specific gravity readings indicated significant variation (p < 0.001) and signs of dehydration (USG > 1.020 Usg ). No statistically significant correlations were found between knowledge and practices. The study highlights suboptimal nutrition and hydration knowledge and practices in youth athletes, suggesting the need for tailored support and educational interventions to enhance their overall health and performance. Further investigation into barriers and facilitators to dietary adherence is recommended for more effective interventions. [ABSTRACT FROM AUTHOR]- Published
- 2024
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31. The effects of pomegranate consumption on obesity indices in adults: A systematic review and meta‐analysis.
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Bahari, Hossein, Pourreza, Sanaz, Goudarzi, Kian, Mirmohammadali, Seyedeh Nooshan, Asbaghi, Omid, Kolbadi, Kosar Sadat Hosseini, Naderian, Moslem, and Hosseini, Ali
- Subjects
WEIGHT loss ,POMEGRANATE ,RANDOM effects model ,BODY mass index ,BODY weight ,OBESITY ,ADIPOSE tissues - Abstract
Evidence supports the potential application of polyphenols as agents against obesity. Pomegranate is one of the fruits that possess a high content of polyphenols. This systematic review and meta‐analysis of randomized controlled trials (RCTs) sought to evaluate the effects of pomegranate consumption on obesity indices, including body mass index (BMI), body weight, waist circumference (WC), fat mass (FM), body fat percentage (BFP), and fat‐free mass (FFM) in adults. Relevant RCTs were obtained by searching databases, including PubMed, SCOPUS, and Web of Science, up to May 2023. Heterogeneity tests of the included trials were performed using the I2 statistic. Random effects models were assessed based on the heterogeneity tests, and pooled data were determined as the weighted mean difference with a 95% confidence interval. Pooled analysis of 28 trials revealed that pomegranate consumption led to a significant reduction in body weight (WMD: −1.97, 95% CI: −2.91, −1.03, p <.05), and a significant decrease in BMI (WMD: −0.48, 95% CI: −0.76, −0.20, p <.05) in comparison with the control group. However, there were no significant effects on WC, FM, FFM, and BFP in comparison with the control group. Pomegranate consumption may yield a beneficial effect on body weight and BMI in adults. However, there were no significant effects on WC, FM, FFM, and BFP, by pomegranate consumption. Also, pomegranate consumption can reduce body weight, BMI, WC, and BFP in obese adults. Long‐term trials with different doses of pomegranate are needed. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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32. The Role of miRNAs in Childhood Acute Lymphoblastic Leukemia Relapse and the Associated Molecular Mechanisms.
- Author
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Barrios-Palacios, Dalia, Organista-Nava, Jorge, Balandrán, Juan Carlos, Alarcón-Romero, Luz del Carmen, Zubillaga-Guerrero, Ma Isabel, Illades-Aguiar, Berenice, Rivas-Alarcón, Alinne Ayulieth, Diaz-Lucas, Jessica Julieth, Gómez-Gómez, Yazmín, and Leyva-Vázquez, Marco Antonio
- Subjects
LYMPHOBLASTIC leukemia ,ACUTE leukemia ,MICRORNA ,PATIENT experience ,BIOMARKERS ,CHILDHOOD cancer ,CHILD patients - Abstract
Acute lymphoblastic leukemia (ALL) is the most common cancer in children worldwide. Although ALL patients' overall survival rates in wealthy countries currently surpass 80%, 15–20% of patients still experience relapse. The underlying mechanisms of relapse are still not fully understood, and little progress has been made in treating refractory or relapsed disease. Disease relapse and treatment failure are common causes of leukemia-related death. In ALL relapse, several gene signatures have been identified, but it is also important to study miRNAs involved in ALL relapse in an effort to avoid relapse and to achieve better survival rates since miRNAs regulate target genes that participate in signaling pathways involved in relapse, such as those related to drug resistance, survival signals, and antiapoptotic mechanisms. Several miRNAs, such as miR-24, miR-27a, miR-99/100, miR-124, miR-1225b, miR-128b, miR-142-3p, miR-155 and miR-335-3p, are valuable biomarkers for prognosis and treatment response in ALL patients. Thus, this review aimed to analyze the primary miRNAs involved in pediatric ALL relapse and explore the underlying molecular mechanisms in an effort to identify miRNAs that may be potential candidates for anti-ALL therapy soon. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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33. Knowledge, attitude, and practice toward nutrition support and management among hemodialysis patients.
- Author
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Peng Y, Huang Q, Yu Y, Zhu L, and Yuan H
- Subjects
- Humans, Male, Female, Middle Aged, Cross-Sectional Studies, Aged, Surveys and Questionnaires, Adult, China, Renal Dialysis, Health Knowledge, Attitudes, Practice, Nutritional Support
- Abstract
Nutrition support is an important care component for patients on hemodialysis. Also, patient self-management is important to maintaining proper nutritional intake during hemodialysis. This cross-sectional study investigated the knowledge, attitude, and practice (KAP) towards nutrition support and management among hemodialysis patients treated at the West China Hospital of Sichuan University between January and March 2023. Among 445 (95.91%) valid questionnaires, 58.43% were filled out by male patients. The knowledge, attitude, and practice scores were 11.44 ± 1.80 (possible range: 0-13), 30.29 ± 3.22 (possible range: 8-40), and 31.27 ± 5.67 (possible range: 8-40), respectively. Age > 60 years (OR = 0.487, 95%CI: 0.260-0.913, P = 0.025) and junior college or undergraduate or above (OR = 2.606, 95%CI: 1.621-4.189, P < 0.001) were independently associated with adequate knowledge. The knowledge (OR = 1.151, 95%CI: 1.024-1.294, P = 0.018) and female gender (OR = 0.632, 95%CI: 0.419-0.953, P = 0.029) were independently associated with positive attitude. The knowledge (OR = 1.404, 95%CI: 1.221-1.614, P < 0.001), attitude (OR = 1.146, 95%CI: 1.069-1.227, P < 0.001), age 51-60 years (OR = 1.879, 95%CI: 1.093-3.229, P = 0.022), and BMI of 24.0-27.9 kg/m
2 (OR = 0.434, 95%CI: 0.269-0.700, P = 0.001) were independently associated with proactive practice. Hemodialysis patients showed adequate knowledge, positive attitudes, and proactive practice; however, there were also several gaps in knowledge and misconceptions regarding proper nutritional self-management. Accordingly, addressing these gaps and misconceptions through carefully designed and effectively implemented education is crucial for providing comprehensive guidance on optimal nutrition and self-management strategies., (© 2024. The Author(s).)- Published
- 2024
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34. Fkbp5 gene deletion: Circadian rhythm profile and brain proteomics in aged mice.
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Gebru NT, Guergues J, Verdina LA, Wohlfahrt J, Wang S, Armendariz DS, Gray M, Beaulieu-Abdelahad D, Stevens SM Jr, Gulick D, and Blair LJ
- Abstract
FKBP51, also known as FK506-binding protein 51, is a molecular chaperone and scaffolding protein with significant roles in regulating hormone signaling and responding to stress. Genetic variants in FKBP5, which encodes FKBP51, have been implicated in a growing number of neuropsychiatric disorders, which has spurred efforts to target FKBP51 therapeutically. However, the molecular mechanisms and sub-anatomical regions influenced by FKBP51 in these disorders are not fully understood. In this study, we aimed to examine the impact of Fkbp5 ablation using circadian phenotyping and molecular analyses. Our findings revealed that the lack of FKBP51 did not significantly alter circadian rhythms, as detected by wheel-running activity, but did offer protection against stress-mediated disruptions in rhythmicity in a sex-dependent manner. Protein changes in Fkbp5 KO mice, as measured by histology and proteomics, revealed alterations in a brain region- and sex-dependent manner. Notably, regardless of sex, aged Fkbp5 KOs showed elevated MYCBP2, FBXO45, and SPRYD3 levels, which are associated with neuronal-cell adhesion and synaptic integrity. Additionally, pathways such as serotonin receptor signaling and S100 family signaling were differentially regulated in Fkbp5 KO mice. Weighted protein correlation network analysis identified protein networks linked with synaptic transmission and neuroinflammation. The information generated by this work can be used to better understand the molecular changes in the brain during aging and in the absence of Fkbp5, which has implications for the continued development of FKBP51-focused therapeutics for stress-related disorders., (© 2024 The Author(s). Aging Cell published by the Anatomical Society and John Wiley & Sons Ltd.)
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- 2024
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35. Relationship between immune nutrition index and all-cause and cause-specific mortality in U.S. adults with chronic kidney disease.
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Junlin Zhang, Xiang Xiao, Tianzhao Han, Yuping Liu, and Ping Shuai
- Published
- 2023
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36. Mitochondrial‐targeted antioxidant ingestion acutely blunts VO2max in physically inactive females.
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Hughes, Ryan P., Carlini, Nicholas A., Fleenor, Bradley S., and Harber, Matthew P.
- Subjects
AEROBIC capacity ,FATIGUE (Physiology) ,BLOOD lactate ,REACTIVE oxygen species ,INGESTION - Abstract
Purpose: To determine the acute effects of a mitochondrial targeting antioxidant (MitoQ) on the metabolic response during exercise. Methods: Nine (n = 9) physically inactive females (age 47 ± 22 years) performed two trials (Placebo and MitoQ) in a double‐blind randomized cross‐over design. In both trials, participants performed an exercise protocol consisting of 3‐min stages at submaximal workloads followed by a ramp protocol to volitional exhaustion. Participants received either Placebo or MitoQ (80 mg) 1 h prior to exercise. Indirect calorimetry and cardiovascular measurements were collected throughout the duration of the exercise bout. Results: Submaximal metabolic and cardiovascular variables were not different between trials (p > 0.05). VO2max was higher (p = 0.03) during Placebo (23.5 ± 5.7 mL kg min−1) compared to MitoQ (21.0 ± 6.6 mL kg min−1). Maximal ventilation was also higher (p = 0.02) in Placebo (82.4 ± 17.7 L/min) compared to MitoQ (75.0 ± 16.8 L/min). Maximal cardiovascular variables and blood lactate were not different between trials (p > 0.05). Conclusion: An acute dose of MitoQ blunted VO2max, which was primarily mediated by impairment of ventilatory function. These data suggest that the acute accumulation of exercise‐induced mitochondrial reactive oxygen species (mtROS) are necessary for maximal aerobic capacity. Further research is warranted on mtROS‐antioxidant cell signaling cascades, and how they relate to mitochondrial function during exercise. [ABSTRACT FROM AUTHOR]
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- 2023
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37. Cell therapies for autism spectrum disorder: a systematic review of clinical applications.
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Akat, Ayberk and Karaöz, Erdal
- Subjects
AUTISM spectrum disorders ,CELLULAR therapy ,CLINICAL medicine ,CLINICAL trials ,THERAPEUTICS - Abstract
Purpose: Autism spectrum disorder (ASD) is a neurodevelopmental condition that affects patients' ability to communicate, engage with others, and behave in certain ways. Despite the existence of several therapy possibilities, an effective treatment for ASD has not yet been identified. Cell therapies have been becoming increasingly recognized in recent years as a potential therapeutic approach for the management of ASD. Different types of cellular products are transplanted using different delivery methods as part of cell therapy, which has the ability to regulate the immune system, demonstrate paracrine, neuro-regenerative, anti-inflammatory, and anti-oxidative stress effects, as well as transfer healthy mitochondria. We have compared the results and findings of completed cell therapy clinical trials for the treatment of ASD in this systematic review. Methods: A total of 547 studies were identified, in which 11 studies were found to be eligible to be included in this review as they were completed cell therapy clinical trials or clinical applications with quantitative results for the treatment of ASD patients. Results: This systematic review provides an overview of clinical trials conducted with different types of cell therapy strategies for the treatment of ASD and their potential mechanisms of action. The limitations and future possibilities for this field of study, as well as the safety and efficacy of cell treatments in ASD, were reviewed. Conclusion: Overall, the evidence suggests that various cell therapy methods may offer a novel and effective treatment option for individuals with ASD, although further research is needed to fully understand the optimal treatment strategy and therapeutic potential. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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38. Correlation of the Dietary Protein Intake between Those Estimated from a Short Protein Food-Recall Questionnaire and from 24-Hour Urinary Urea-Nitrogen Excretion in Stages 3-4 Chronic Kidney Disease Patients.
- Author
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Thanachayanont, Teerawat, Chanpitakkul, Methee, Saetie, Akhathai, Lekagul, Salyaveth, and Tungsanga, Kriang
- Subjects
CHRONIC kidney failure ,DISEASE progression ,UREA ,CONFIDENCE intervals ,ANALYSIS of variance ,FOOD consumption ,NITROGEN ,T-test (Statistics) ,PEARSON correlation (Statistics) ,QUESTIONNAIRES ,DESCRIPTIVE statistics ,QUALITY of life ,RESEARCH funding ,URINALYSIS ,DATA analysis software ,STATISTICAL sampling ,DIETARY proteins ,RURAL population - Abstract
Introduction. High protein intake may accelerate progression of chronic kidney disease (CKD). Estimation of dietary protein intake (DPI) is indispensable for management of CKD, but to achieve optimum DPI is quite challenging in routine clinical practice. We recently studied a beneficial effect of utilizing integrated care on the management of CKD at the rural community level. In that study, we created a short protein food-recall questionnaire (S-PFRQ) as a working tool to estimate DPI of the CKD patients during home visit by community health personnel. Herein, we reported the initial evaluation of the reliability of S-PFRQ from our previous study. Objective. We compared the amount of DPI obtained from S-PFRQ with that obtained from protein-equivalent of total nitrogen appearance (PNA). Methods. In the previous ESCORT-2 study, 914 patients with CKD stage 3 or 4, who were living in the rural area of Thailand, were prospectively followed while receiving integrated care for 36 consecutive months. During home visits by community nurses from subdistrict health centers, dietary food recall was made, recorded in S-PFRQ, and DPI was obtained. Among these, sixty patients were randomly selected, and 24-h urine was collected for urinary urea-N and estimation of PNA. A correlation was made between DPI obtained from S-PFRQ and PNA. Results. The DPIs derived from S-PFRQ and PNA were 28.8 ± 14.8 and 39.26 ± 17.79 g/day, respectively. The mean difference and 95% CI between the 2 methods was −10.43 (−7.1 to −13.8) g/day, respectively (P < 0.001). Interclass correlation between these 2 methods was 0.24, P = 0.007. The difference between the 2 methods remained constant across different amounts of DPI. Conclusion. The DPI estimated from S-PFRQ significantly correlated to that from PNA. However, the S-PFRQ method yielded a DPI value which was about 10 g of protein or 25% less than the PNA method. Despite this amount of difference, this S-PFRQ is user-friendly and could be used during field work as an easy and simple tool for DPI estimation in resource-limiting condition. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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39. Effects of oral nutritional supplements on the nutritional status and inflammatory markers in patients on maintenance dialysis: a systematic review and meta-analysis of randomized clinical trials.
- Author
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Liu, Peng Ju, Guo, Jiayu, Zhang, Yu, Wang, Fang, and Yu, Kang
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NUTRITIONAL status ,DIETARY supplements ,CLINICAL trials ,PERITONEAL dialysis ,HYPERPHOSPHATEMIA ,HEMODIALYSIS patients ,LEAN body mass - Abstract
Background and aims Patients on hemodialysis (HD) or peritoneal dialysis (PD) often have insufficient energy and protein intake, resulting in poor nutritional status and adverse outcomes. Oral nutritional supplements (ONSs) are the most commonly used to increase such patients' energy and protein intakes. Methods In this systematic review and meta-analysis, we analyzed studies on nutritional status, inflammatory markers, and electrolyte levels in patients on dialysis receiving ONSs. We searched four electronic databases from inception until 31 December 2022, for randomized controlled trials comparing ONS treatment versus placebo or routine care. Results 22 studies with 1185 patients on dialysis were included in our meta-analysis. Compared with the control group, the ONS group exhibited significantly increased serum albumin levels [1.26 g/l (95%CI, 0.50–2.02, P < 0.0001; I
2 = 80.4%)], body mass indexes (BMIs) [0.30 kg/m2 (95%CI, 0.09–0.52, P = 0.005; I2 = 41.4%)], and handgrip strength (HGS) [0.96 kg (95%CI, 0.07–1.84, P = 0.034; I2 = 41.4%)] from baseline to the end of intervention. No significant differences were observed between the groups in lean body mass, phase angle, C-reactive protein, and serum phosphorus and potassium levels. In terms of improving albumin, the subgroup analyses show that ONS use seems to be more inclined to three variations: HD patients, short-term use, and non-intradialytic supplementation. Conclusion In conclusion, ONS use can improve the nutritional status of patients on dialysis in terms of their serum albumin, BMI, and HGS without significant effects on serum phosphorus, potassium, and C-reactive protein levels. However, it remains uncertain whether these results translate to improvement in clinically relevant outcomes. Large-scale high-quality studies are still required in this population. [ABSTRACT FROM AUTHOR]- Published
- 2023
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40. Tempering expectations: considerations on the current state of stem cells therapy for autism treatment.
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Narzisi, Antonio, Halladay, Alycia, Masi, Gabriele, Novarino, Gaia, and Lord, Catherine
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STEM cell treatment ,AUTISM - Published
- 2023
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41. The Gut–Organ Axis within the Human Body: Gut Dysbiosis and the Role of Prebiotics.
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Saxami, Georgia, Kerezoudi, Evangelia N., Eliopoulos, Christos, Arapoglou, Dimitrios, and Kyriacou, Adamantini
- Subjects
HUMAN body ,PREBIOTICS ,DYSBIOSIS ,GUT microbiome ,ORGANS (Anatomy) - Abstract
The human gut microbiota (GM) is a complex microbial ecosystem that colonises the gastrointestinal tract (GIT) and is comprised of bacteria, viruses, fungi, and protozoa. The GM has a symbiotic relationship with its host that is fundamental for body homeostasis. The GM is not limited to the scope of the GIT, but there are bidirectional interactions between the GM and other organs, highlighting the concept of the "gut–organ axis". Any deviation from the normal composition of the GM, termed "microbial dysbiosis", is implicated in the pathogenesis of various diseases. Only a few studies have demonstrated a relationship between GM modifications and disease phenotypes, and it is still unknown whether an altered GM contributes to a disease or simply reflects its status. Restoration of the GM with probiotics and prebiotics has been postulated, but evidence for the effects of prebiotics is limited. Prebiotics are substrates that are "selectively utilized by host microorganisms, conferring a health benefit". This study highlights the bidirectional relationship between the gut and vital human organs and demonstrates the relationship between GM dysbiosis and the emergence of certain representative diseases. Finally, this article focuses on the potential of prebiotics as a target therapy to manipulate the GM and presents the gaps in the literature and research. [ABSTRACT FROM AUTHOR]
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- 2023
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42. Glycemic index of a nutritional supplement designed for people with chronic kidney disease.
- Author
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Rachana, Bhoite, Shobana, Shanmugam, Lalithya, Pratti Varalakshmi, Sudha, Vasudevan, Vinita, Satyavrat, Gayathri, Rajagopal, Kalpana, Natarajan, Ranjit, Mohan Anjana, and Viswanathan, Mohan
- Subjects
GLYCEMIC index ,DIETARY supplements ,CHRONIC kidney failure ,FOOD consumption ,BLOOD sugar ,GLYCOSYLATED hemoglobin - Abstract
The study was carried out to measure the glycemic index (GI) of an oral food supplement for people with CKD as well as on patients on maintenance dialysis. The study was conducted as per international protocols for testing GI, was approved by the local institutional ethics committee, and was registered with the Clinical Trial Registry of India (CTRI). This was a crossover randomized controlled study which enrolled 15 participants between the ages of 18 and 45 years. The participants were randomly allotted to one group that consumed either the reference food (27.5 g of glucose monohydrate) or 118 g of the nutritional supplement which contained 25 g of available carbohydrates. Fasting capillary blood samples as well as blood samples at different time intervals as per the GI protocol, after consumption of either the supplement or the reference food were taken from the participants. Each testing day was separated by a 3‐day washout period. GI was calculated from the incremental area under the blood glucose response elicited by the nutritional supplement as a percentage of the response after the consumption of 25 g of glucose (27.5 g of glucose monohydrate) by the same participant using a standard formula. The GI of the nutritional supplement was calculated to be 10.3 ± 2.0 which is considered to be low as per international GI testing standards. The product was created to supplement the diet of people with CKD at different stages and to help prevent the progression from CKD to ESRD as well as the risk for CVD. This product was found to have a low GI which is desirable for people with CKD as well as diabetics in general who are at risk for developing CKD. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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- View/download PDF
43. The effect of pre-exercise caffeine loading on body composition, blood parameters and resting pulse rate in women.
- Author
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APAYDIN, Murat Bekleyiş and İRİ, Rüçhan
- Abstract
Copyright of Journal of ROL Sport Sciences / ROL Spor Bilimleri Dergisi is the property of Journal of ROL Sport Sciences / ROL Spor Bilimleri Dergisi and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2023
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44. Pilot Study of Nutrition in Maintenance Hemodialysis Patients
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Kathleen Hill Gallant, Assistant professor nutrition science
- Published
- 2021
45. Mesenchymal Stromal Cells: Heterogeneity and Therapeutical Applications.
- Author
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Ouzin, Meryem and Kogler, Gesine
- Subjects
STROMAL cells ,HETEROGENEITY ,TRANSLATIONAL research ,CLINICAL medicine ,REGENERATIVE medicine ,STEM cells - Abstract
Mesenchymal stromal cells nowadays emerge as a major player in the field of regenerative medicine and translational research. They constitute, with their derived products, the most frequently used cell type in different therapies. However, their heterogeneity, including different subpopulations, the anatomic source of isolation, and high donor-to-donor variability, constitutes a major controversial issue that affects their use in clinical applications. Furthermore, the intrinsic and extrinsic molecular mechanisms underlying their self-renewal and fate specification are still not completely elucidated. This review dissects the different heterogeneity aspects of the tissue source associated with a distinct developmental origin that need to be considered when generating homogenous products before their usage for clinical applications. [ABSTRACT FROM AUTHOR]
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- 2023
- Full Text
- View/download PDF
46. Effect of replacement therapy (CRRT) and hemodialysis (IHD) on severe acute renal failure.
- Author
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Xiangyuan Zhang and Yinfang Yuan
- Subjects
ACUTE kidney failure ,ACID-base imbalances ,HEMODIALYSIS ,WATER-electrolyte imbalances ,RENIN-angiotensin system ,HEMODIALYSIS patients ,ACIDOSIS - Abstract
Hyperkalemia, metabolic acidosis, and acute uremia are the main symptoms in patients with severe acute renal failure (SARF). Its clinical symptoms are obvious, and it is extremely harmful. It needs to take active and effective measures for treatment. CRRT refers to any extracorporeal blood purification treatment technique designed to replace impaired renal function for 24 h or nearly 24 h. Hemodialysis treatment is a treatment process in which the patient's blood is discharged from the body, passes through the dialysis membrane and dialysis machine, removes excess toxins and water in the body, corrects electrolyte and acid-base disorders, and then returns the blood to the body. In order to explore the efficacy of replacement therapy and hemodialysis in the treatment of severe acute renal failure, the data samples were randomly divided into observation group and control group, who were given conventional treatment, hemodialysis and replacement therapy, respectively. Clinical data show that after replacement therapy and hemodialysis in patients with severe acute renal failure in the observation group, the levels of parathyroid hormone, renin, and quality of life were all improved, with an improvement rate of 9.47%, which has certain promotional value. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
47. Prevention of Intradialytic Hypotension in Hemodialysis Patients: Current Challenges and Future Prospects.
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Hamrahian, Seyed Mehrdad, Vilayet, Salem, Herberth, Johann, and Fülöp, Tibor
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HEMODIALYSIS patients ,SYSTOLIC blood pressure ,HYPOTENSION ,BLOOD pressure ,DISEASE risk factors ,ORTHOSTATIC hypotension - Abstract
Intradialytic hypotension, defined as rapid decrease in systolic blood pressure of greater than or equal to 20 mmHg or in mean arterial pressure of greater than or equal to 10 mmHg that results in end-organ ischemia and requires countermeasures such as ultrafiltration reduction or saline infusion to increase blood pressure to improve patient's symptoms, is a known complication of hemodialysis and is associated with several potential adverse outcomes. Its pathogenesis is complex and involves both patient-related factors such as age and comorbidities, as well as factors related to the dialysis prescription itself. Key factors include the need for volume removal during hemodialysis and a suboptimal vascular response which compromises the ability to compensate for acute intravascular volume loss. Inadequate vascular refill, incorrect assessment or unaccounted changes of target weight, acute illnesses and medication interference are further potential contributors. Intradialytic hypotension can lead to compromised tissue perfusion and end-organ damage, both acutely and over time, resulting in repetitive injuries. To address these problems, a careful assessment of subjective symptoms, minimizing interdialytic weight gains, individualizing dialysis prescription and adjusting the dialysis procedure based on patients' risk factors can mitigate negative outcomes. [ABSTRACT FROM AUTHOR]
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- 2023
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48. Neuron-Specific Enolase (NSE) as a Biomarker for Autistic Spectrum Disease (ASD).
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Stancioiu, Felician, Bogdan, Raluca, and Dumitrescu, Radu
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ENOLASE ,CORD blood ,SOCIAL interaction ,PSYCHOTHERAPY - Abstract
Autistic spectrum disease (ASD) is an increasingly common diagnosis nowadays with a prevalence of 1–2% in most countries. Its complex causality—a combination of genetic, immune, metabolic, and environmental factors—is translated into pleiomorphic developmental disorders of various severity, which have two main aspects in common: repetitive, restrictive behaviors and difficulties in social interaction varying from awkward habits and verbalization to a complete lack of interest for the outside world. The wide variety of ASD causes also makes it very difficult to find a common denominator—a disease biomarker and medication—and currently, there is no commonly used diagnostic and therapeutic strategy besides clinical evaluation and psychotherapy. In the CORDUS clinical study, we have administered autologous cord blood to ASD kids who had little or no improvement after other treatments and searched for a biomarker which could help predict the degree of improvement in each patient. We have found that the neuron-specific enolase (NSE) was elevated above the normal clinical range (less than 16.3 ng/mL) in the vast majority of ASD kids tested in our study (40 of 41, or 97.5%). This finding opens up a new direction for diagnostic confirmation, dynamic evaluation, and therapeutic intervention for ASD kids. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
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49. Comparison of mini-open reduction and autologous bone grafting with closed reduction and intramedullary device insertion for tibial shaft fractures: a retrospective study.
- Author
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Xu, Danfeng, Xie, Jianxin, Wu, Bing, Zou, Yubin, He, Yong, and Li, Zhaosheng
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WOUND healing ,ORTHOPEDIC implants ,RETROSPECTIVE studies ,AUTOGRAFTS ,TREATMENT effectiveness ,COMPARATIVE studies ,FRACTURE fixation ,DESCRIPTIVE statistics ,SURGICAL site infections ,RESEARCH funding ,TIBIAL fractures ,BONE grafting ,DISEASE complications - Abstract
Background: We compared the clinical efficacy of mini-open reduction and autologous bone grafting (G
M ) and closed reduction (GC ) using intramedullary nailing for the treatment of tibial shaft fractures. Methods: This retrospective study included 70 tibial shaft fractures treated with GM or GC between January 2018 and December 2021. The demographic characteristics and clinical outcomes were compared between the two treatment methods. Results: This study included 70 patients who were followed-up for 12.4 months. In total, 31 and 39 patients were treated with GM and GC , respectively. The operative duration was significantly shorter for GM (95.2 ± 19.3 min) than for GC (105.5 ± 22.2 min, p = 0.0454). The number of radiation times was significantly lower for GM (14.7 ± 6.3) than for GC (22.2 ± 9.2, p < 0.005). There were no statistically significant differences between the groups in terms of the wound complication or infection rates. The malunion and nonunion rates were high after GC than after GM , but there are no significant differences between the groups. Conclusions: Closed reduction and intramedullary nailing remains the first choice for tibial shaft fractures. GM is a safe and effective treatment worth considering. Future prospective randomized controlled trials are warranted. [ABSTRACT FROM AUTHOR]- Published
- 2023
- Full Text
- View/download PDF
50. Autism‐like behavior of murine offspring induced by prenatal exposure to progestin is associated with gastrointestinal dysfunction due to claudin‐1 suppression.
- Author
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Xiao, Li, Feng, Jianqing, Zhang, Wanhua, Pan, Jie, Wang, Min, Zhang, Cheng, Li, Ling, Su, Xi, and Yao, Paul
- Subjects
PRENATAL exposure ,STEM cell transplantation ,CLAUDINS ,AUTISM spectrum disorders ,VITAMIN D receptors ,PLURIPOTENT stem cells - Abstract
Autism spectrum disorders (ASD) are associated with the contribution of many prenatal risk factors; in particular, the sex hormone progestin and vitamin D receptor (VDR) are associated with gastrointestinal (GI) symptoms in ASD development, although the related mechanism remains unclear. We investigated the possible role and mechanism of progestin 17‐hydroxyprogesterone caproate (17‐OHPC) exposure‐induced GI dysfunction and autism‐like behaviours (ALB) in mouse offspring. An intestine‐specific VDR‐deficient mouse model was established for prenatal treatment, while transplantation of haematopoietic stem cells (HSCT) with related gene manipulation was used for postnatal treatment for 17‐OHPC exposure‐induced GI dysfunction and ALB in mouse offspring. The in vivo mouse experiments found that VDR deficiency mimics prenatal 17‐OHPC exposure‐mediated GI dysfunction, but has no effect on 17‐OHPC‐mediated autism‐like behaviours (ALB) in mouse offspring. Furthermore, prenatal 17‐OHPC exposure induces CLDN1 suppression in intestine epithelial cells, and transplantation of HSCT with CLDN1 expression ameliorates prenatal 17‐OHPC exposure‐mediated GI dysfunction, but has no effect on 17‐OHPC‐mediated ALB in offspring. In conclusion, prenatal 17‐OHPC exposure triggers GI dysfunction in autism‐like mouse offspring via CLDN1 suppression, providing a possible explanation for the involvement of CLDN1 and VDR in prenatal 17‐OHPC exposure‐mediated GI dysfunction with ASD. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
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