248 results on '"Parks, C. G."'
Search Results
2. Occupational Exposure Assessment in Case-Control Studies: Opportunities for Improvement [with Commentary]
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Teschke, K., Olshan, A. F., Daniels, J. L., De Roos, A. J., Parks, C. G., Schulz, M., Vaughan, T. L., and Kromhout, H.
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- 2002
3. Employment and work schedule are related to telomere length in women
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Parks, C G, DeRoo, L A, Miller, D B, McCanlies, E C, Cawthon, R M, and Sandler, D P
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- 2011
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4. Helicobacter pylori seropositivity is associated with antinuclear antibodies in US adults, NHANES 1999–2000
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Meier, H. C. S., primary, Miller, F. W., additional, Dinse, G. E., additional, Weinberg, C. R., additional, Cho, C. C., additional, and Parks, C. G., additional
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- 2020
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5. Systemic lupus erythematosus and genetic variation in the interleukin 1 gene cluster: a population based study in the southeastern United States
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Parks, C G, Cooper, G S, Dooley, M A, Treadwell, E L, St Clair, E W, Gilkeson, G S, and Pandey, J P
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- 2004
6. Biomarkers 1
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Parks, C. G., primary, McCanlies, E. C., additional, Miller, D. B., additional, Cawthon, R. M., additional, DeRoo, L. A., additional, Sandler, D. B., additional, Peters, S., additional, Talaska, G., additional, Jonsson, B. A. G., additional, Kromhout, H., additional, Vermeulen, R., additional, Aronson, K. J., additional, Sanchez, M., additional, Grundy, A., additional, Richardson, H., additional, Tranmer, J., additional, Borugian, M., additional, Graham, C., additional, Smith, K. W., additional, Allen, J. G., additional, Proctor, S. P., additional, McClean, M. D., additional, McLean, D. J., additional, Eng, A., additional, Walls, C., additional, Dryson, E., additional, Harawira, J., additional, Mannetje, A. t, additional, Gray, M., additional, Shoemack, P., additional, Pearce, N., additional, and Brooks, C., additional
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- 2007
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7. Occupational and Environmental Exposures in Relation to Immune Responsiveness to Epstein-Barr Virus in a Population-Based Sample
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Parks, C G, primary, Cooper, G C, additional, and Pandey, J P, additional
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- 2006
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8. Blood Cadmium in Relation to White Blood Cell Counts in a National Sample of the U.S. Population
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Parks, C G, primary, Richards, M K, additional, and Hoppin, J A, additional
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- 2006
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9. Occupational exposure to crystalline silica and autoimmune disease.
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Parks, C G, primary, Conrad, K, additional, and Cooper, G S, additional
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- 1999
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10. Wood Decay Associated with Pileated Woodpecker Roosts in Western Redcedar
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Parks, C. G., primary, Raley, C. M., additional, Aubry, K. B., additional, and Gilbertson, R. L., additional
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- 1997
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11. 基于氧化还原型纳米酶的比色传感器在食品 安全检测中的研究进展.
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刘玉婷, 陆 清, 唐志永, 杨 涵, and 彭 钢
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Copyright of Shipin Kexue/ Food Science is the property of Food Science Editorial Department 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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- 2024
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12. Overview of human health effects related to glyphosate exposure.
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Galli, Flavia Silvia, Mollari, Marta, Tassinari, Valentina, Alimonti, Cristian, Ubaldi, Alessandro, Cuva, Camilla, and Marcoccia, Daniele
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SCIENTIFIC literature ,GLYPHOSATE ,BREAST milk ,ENDOCRINE glands ,HUMAN reproduction - Abstract
Glyphosate is a chemical compound derived from glycine, marketed as a broadspectrum herbicide, and represents one of the most widely used pesticides in the world. For a long time, it was assumed that glyphosate was harmless, either due to its selective enzymatic acting method on plants, and because commercial formulations were believed to contain only inert chemicals. Glyphosate is widely spread in the environment, the general population is daily exposed to it via different routes, including the consumption of both plant, and non-plant based foods. Glyphosate has been detected in high amounts in workers' urine, but has been detected likewise in bodily fluids, such as blood and maternal milk, and also in 60%-80% of general population, including children. Considering its massive presence, daily exposure to glyphosate could be considered a health risk for humans. Indeed, in 2015, the IARC (International Agency for Research on Cancer) classified glyphosate and its derivatives in Group 2A, as probable human carcinogens. In 2022, nevertheless, EFSA (European Food Safety Authority) stated that the available data did not provide sufficient evidence to prove the mutagenic/carcinogenic effects of glyphosate. Therefore, the European Commission (EC) decided to renew the approval of glyphosate for another 10 years. The purpose of this review is to examine the scientific literature, focusing on potential risks to human health arising from exposure to glyphosate, its metabolites and its commercial products (e.g., Roundup®), with particular regard to its mutagenic and carcinogenic potential and its effects as endocrine disrupter (ED) especially in the human reproductive system. [ABSTRACT FROM AUTHOR]
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- 2024
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13. Abusive Supervision as Predictor of Perceived Stress and Cyberloafing at Work.
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Duran, Bahtiyar and Orta, İrem Metin
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PERCEIVED Stress Scale ,EMPLOYEE attitudes ,INTERNET surveys ,WORK environment ,QUESTIONNAIRES - Abstract
Copyright of Journal of Human & Work / İş ve İnsan Dergisi is the property of Mugla Sitki Kocman Universitesi 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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- 2024
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14. Cerebrospinal fluid characteristics of patients presenting for evaluation of pediatric acute-neuropsychiatric syndrome.
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Pooni, Rajdeep, Zheng, Wynne, Meiqian Ma, Silverman, Melissa, Yuhuan Xie, Farhadian, Bahare, Thienemann, Margo, Mellins, Elizabeth, and Frankovich, Jennifer
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SYNDROMES in children ,CEREBROSPINAL fluid examination ,CHILD patients ,ELECTRONIC health records ,OBSESSIVE-compulsive disorder ,CEREBROSPINAL fluid ,LUMBAR puncture ,BLOOD-brain barrier - Abstract
Objectives: This study characterizes cerebral spinal fluid (CSF) indices including total protein, the albumin quotient, IgG index and oligoclonal bands in patients followed at a single center for pediatric acute-neuropsychiatric syndrome (PANS) and other psychiatric/behavioral deteriorations. Methods: In a retrospective chart review of 471 consecutive subjects evaluated for PANS at a single center, navigational keyword search of the electronic medical record was used to identify patients who underwent lumbar puncture (LP) as part of the evaluation of a severe or atypical psychiatric deterioration. Psychiatric symptom data was ascertained from parent questionnaires and clinical psychiatric evaluations. Inclusion criteria required that subjects presented with psychiatric deterioration at the time of first clinical visit and had a lumbar puncture completed as part of their evaluation. Subjects were categorized into three subgroups based on diagnosis: PANS (acuteonset of severe obsessive compulsive disorder (OCD) and/or eating restriction plus two other neuropsychiatric symptoms), autoimmune encephalitis (AE), and "other neuropsychiatric deterioration" (subacute onset of severe OCD, eating restriction, behavioral regression, psychosis, etc; not meeting criteria for PANS or AE). Results: 71/471 (15.0 %) of patients underwent LP. At least one CSF abnormality was seen in 29% of patients with PANS, 45% of patients with "other neuropsychiatric deterioration", and 40% of patients who met criteria for autoimmune encephalitis. The most common findings included elevated CSF protein and/or albumin quotient. Elevated IgG index and IgG oligoclonal bands were rare in all three groups. Conclusion: Elevation of CSF protein and albumin quotient were found in pediatric patients undergoing LP for evaluation of severe psychiatric deteriorations (PANS, AE, and other neuropsychiatric deteriorations). Further studies are warranted to investigate blood brain barrier integrity at the onset of the neuropsychiatric deterioration and explore inflammatory mechanisms. [ABSTRACT FROM AUTHOR]
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- 2024
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15. The Monitoring of Serum and Urine heavy Metals and assessment of inflammatory response, Respiratory Symptoms, and Pulmonary health in Cement-Exposed Workers.
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Firouzi, Majid, Khazdair, Mohammad Reza, Askari, Vahid Reza, Mokhtari-Zaer, Amin, Memarzia, Arghavan, Taherzadeh, Zhila, and Boskabady, Mohammad Hossein
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URINALYSIS ,RAW materials ,CEMENT industries & the environment ,BLOOD serum analysis ,C-reactive protein - Abstract
Air pollution in the workplace is a major health issue in developing countries. Cement manufacturing is a complex process that extracted the raw materials to the grinding of the end product in the cement factories (CF). Workers in CF are exposed to many harmful factors, such as dust and respirable particles of cement. This study is aimed to compare the respiratory symptoms, pulmonary function tests (PFT), total and differential white blood cells (WBC), serum level of high-sensitivity C-reactive protein (hs-CRP), and serum or urine heavy metal levels were between CF workers with control subjects. The case-control study with convenience sampling was undertaken. A total of 40 nonsmoking male cement workers with 40 healthy volunteers were recruited in the study. Respiratory symptoms, pulmonary function tests (PFT), total and differential white blood cells (WBC), serum level of high-sensitivity C-reactive protein (hs-CRP), and serum or urine heavy metal levels were compared between the two groups. The frequency of respiratory symptoms including wheezing, dyspnoea, cough, and sputum, haematological parameters, serum level of hs-CRP level, as well as serum or urine heavy metal levels were significantly higher in cement workers. All PFT values except forced vital capacity (FVC) were lower in workers of the CF workers compared to control subjects. Respiratory insult, systemic inflammation and heavy metal changes were shown in CF workers. Increased serum and urine heavy metals may induce inflammatory processes leading to lung disorders. These results emphasize that the continuous monitoring of workers' workplace safety and occupational status. [ABSTRACT FROM AUTHOR]
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- 2024
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16. Addressing the research gap: access to care hinders genetic discovery in systemic lupus erythematosus patients throughout the African diaspora.
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Jihwan Hwang, Dey, Ida Dzifa, Ayanlowo, Olusola, Flower, Cindy, King, Amanda, Johnson, Nicole, Ima-Edomwonyi, Uyiekpen, Olasebikan, Hakeem, Falasinnu, Titilola, Pandian, Vishnuprabu Durairaj, and Blazer, Ashira
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AFRICAN diaspora ,SYSTEMIC lupus erythematosus ,EVIDENCE gaps ,ENVIRONMENTAL research ,HEALTH services accessibility - Abstract
Systemic lupus erythematosus (SLE) is a complex autoimmune condition that disproportionately impacts non-White ethnic and racial groups, particularly individuals in the African diaspora who experience heightened incidence, prevalence, and adverse outcomes. Genetic and epigenetic factors play significant roles in SLE risk, however these factors neither explain the whole of SLE risk nor the stark racial disparities we observe. Moreover, our understanding of genetic risk factors within African ancestry populations is limited due to social and environmental influences on research participation, disease presentation, and healthcare access. Globally, the African diaspora faces barriers in accessing essential SLE diagnostic tools, therapeutics, healthcare practitioners, and high-quality clinical and translational research studies. Here, we provide insights into the current state of genetic studies within African ancestry populations and highlight the unique challenges encountered in SLE care and research across countries of varying income levels. We also identify opportunities to address these disparities and promote scientific equity for individuals affected by SLE within the global African diaspora. [ABSTRACT FROM AUTHOR]
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- 2024
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17. Associations between Glyphosate Exposure and Glycemic Disorders: A Focus on the Modifying Effect of Sex Hormones.
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Dong, Yu, Li, Yuan, Ma, Liwen, Shu, Shuge, Ren, Jiawen, Yu, Xiangyu, Luo, Dan, Duan, Zhizhou, and Yu, Yongquan
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HEALTH & Nutrition Examination Survey ,POLLUTION ,CUBIC curves ,GLYCOSYLATED hemoglobin ,GLYPHOSATE ,HOMEOSTASIS - Abstract
Widespread glyphosate contamination in the environment and its endocrine-disrupting potential are concerning. However, evidence of glyphosate's effects on glycemic health is limited. To examine the association between glyphosate and glucose homeostasis in the general US population, a total of 3038 individuals were enrolled from the 2013-2016 cycles of the National Health and Nutrition Examination Survey (NHANES). Survey-weighted linear regression and restricted cubic spline curves were used to detect the associations between glyphosate and glycemic disorders. The effects of interactions between sex hormones and glyphosate on glycemic outcomes were evaluated. The results showed that glyphosate was significantly linked to increased glycated hemoglobin A1c (HbA1c) levels (β = 0.01; 95%CI, 0.01 to 0.02; p = 0.001) and the compromised homeostatic model assessment of beta-cell function (HOMA-beta) scores (β = −0.09; 95%CI, −0.17 to −0.01; p = 0.024). More importantly, these "glyphosate–glycemic disorder" associations were significantly modified by sex hormone-binding globulin (SHBG; P for interaction < 0.05), with more pronounced relationships being identified in individuals with low SHBG levels. Our findings indicate that glyphosate is correlated with glucose dyshomeostasis. Individuals with low SHBG levels exhibited susceptibility to glyphosate-related glycemic toxicity; therefore, it might be prudent to determine glycemic health in those subjects with glyphosate exposure. [ABSTRACT FROM AUTHOR]
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- 2024
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18. Effects of Insecticide and Herbicides on Thyroid Disturbances in Zebrafish.
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Ma, Tingting, An, Xiangji, Wu, Peng, He, Xiaoli, and Luo, Yongming
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POLLUTANTS ,THYROID diseases ,ENVIRONMENTAL health ,ENDOCRINE disruptors ,ZEBRA danio - Abstract
Thyroid cancer usually begins with thyroid dysfunction and nodules and has become the most common cancer globally, especially in women. Although the causes of thyroid dysfunction are complex, the presence of environmental pollutants, especially certain pesticides as established mutagens, has been widely accepted. Zebrafish (Danio rerio) have similar toxic reactions and signal transduction pathways to humans and are very similar to humans in physiology, development, and metabolic function. Here, the direct toxicity effects and mechanisms of different insecticides and herbicides on zebrafish thyroid functions and indirect toxicity effects originating from thyroid dysfunction were summarized and compared. The overall toxicity of insecticides on the zebrafish thyroid was greater than that of herbicides based on effective concentrations. Penpropathrin and atrazine were more typical thyroid disruptors than other pesticides. Meanwhile, chiral pesticides showed more sophisticated single/combined toxicity effects on both parental and offspring zebrafish. Besides thyroid hormone levels and HPT axis-related gene expression alteration, developmental toxicity, immunotoxicity, and oxidative damage effects were all observed. These data are necessary for understanding the thyroid interference effect of pesticides on humans and for screening for thyroid disruptors in surface water with zebrafish models for the pre-assessment of human health risks and ecological risk control in the future. [ABSTRACT FROM AUTHOR]
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- 2024
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19. Association of Urinary Glyphosate with All-Cause Mortality and Cardiovascular Mortality among Adults in NHANES 2013–2018: Role of Alkaline Phosphatase.
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Gao, Yongyue, Shu, Shuge, Zhang, Di, Wang, Pu, Yu, Xiangyu, Wang, Yucheng, and Yu, Yongquan
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CARDIOVASCULAR disease related mortality ,HEALTH & Nutrition Examination Survey ,ALKALINE phosphatase ,MORTALITY ,HERBICIDES ,GLYPHOSATE - Abstract
Glyphosate is the most widely used herbicide in the world. This study aimed to evaluate the relationships among urinary glyphosate, all-cause mortality and cardiovascular diseases (CVD)-related mortality in the general US population of adults, and to determine the role of alkaline phosphatase (ALP), an inflammation marker that is associated with glyphosate exposure, in these relationships. Subjects from the National Health and Nutrition Examination Survey (NHANES) 2013–2018 cycles were included. Survey-weighted Cox regression analysis was applied to estimate the relationship of glyphosate with overall and CVD mortalities. Restricted cubic spline (RCS) analysis was utilized to detect the linearity of associations. The intermediary role of ALP was explored by mediation analysis. Our results found consistent and positive associations of glyphosate with all-cause mortality (HR: 1.29, 95%CI: 1.05–1.59) and CVD mortality (HR: 1.32, 95%CI: 1.02–1.70). RCS curves further validated linear and positive dose-dependent relationships between glyphosate and mortality-related outcomes. Moreover, serum ALP was identified as a mediator in these associations and explained 12.1% and 14.0% of the total associations between glyphosate and all-cause death and CVD death risk, respectively. Our study indicated that glyphosate was associated with increased all-cause and CVD mortality in humans. Increased ALP may play an essential role in these associations. [ABSTRACT FROM AUTHOR]
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- 2024
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20. 液相色谱-串联质谱法检测人体尿液中12 种 农药代谢物.
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陈玉婕, 邓淑铃, 周永林, 张昊, and 刘华良
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- 2024
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21. The impact of the Qinghai-Tibet highway on plant community and diversity.
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ZhaoXian Tan, XuePing Chen, Yun Wang, Suqin Wang, Rong Wang, BaoHui Yao, YanGang Yang, YaPing Kong, and JiaPeng Qu
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PLANT diversity ,SPECIES diversity ,ECOLOGICAL impact ,MOUNTAIN meadows ,PLANT communities ,GROUND cover plants - Abstract
Roads are an increasingly prevalent form of human activity that drives the decrease in plant community functions and threatens global biodiversity. However, few studies have focused on the changes in the function and diversity of alpine meadows caused by road infrastructure in the Tibetan Plateau. In this study, the changes in species diversity, functional diversity, and community stability were examined at different distances from the Qinghai-Tibet highway. The results showed that the road intensified the degradation of vegetation, which significantly altered species diversity and community structure. This effect gradually decreased from near to far from the highway. Plant community cover and species diversity were highest at intermediate distances (50-100 m) from the roadway; species diversity and stability were lowest in the grassland most disturbed by the road (0 m), and species diversity and functional diversity tended to stabilize farther away from the road (250 m). Our findings indicate that changes in species diversity are synchronized with changes in functional diversity, which largely determines the outcome of degraded grassland community diversity and stability. Our results provide a reference point for restoring degraded alpine areas and mitigating the ecological impacts of roads. [ABSTRACT FROM AUTHOR]
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- 2024
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22. Methylation entropy landscape of Chinese long‐lived individuals reveals lower epigenetic noise related to human healthy aging.
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Wang, Hao‐Tian, Xiao, Fu‐Hui, Gao, Zong‐Liang, Guo, Li‐Yun, Yang, Li‐Qin, Li, Gong‐Hua, and Kong, Qing‐Peng
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LONGEVITY ,EPIGENETICS ,WHOLE genome sequencing ,AGING ,ENTROPY ,AGE ,NOISE - Abstract
The transition from ordered to noisy is a significant epigenetic signature of aging and age‐related disease. As a paradigm of healthy human aging and longevity, long‐lived individuals (LLI, >90 years old) may possess characteristic strategies in coping with the disordered epigenetic regulation. In this study, we constructed high‐resolution blood epigenetic noise landscapes for this cohort by a methylation entropy (ME) method using whole genome bisulfite sequencing (WGBS). Although a universal increase in global ME occurred with chronological age in general control samples, this trend was suppressed in LLIs. Importantly, we identified 38,923 genomic regions with LLI‐specific lower ME (LLI‐specific lower entropy regions, for short, LLI‐specific LERs). These regions were overrepresented in promoters, which likely function in transcriptional noise suppression. Genes associated with LLI‐specific LERs have a considerable impact on SNP‐based heritability of some aging‐related disorders (e.g., asthma and stroke). Furthermore, neutrophil was identified as the primary cell type sustaining LLI‐specific LERs. Our results highlight the stability of epigenetic order in promoters of genes involved with aging and age‐related disorders within LLI epigenomes. This unique epigenetic feature reveals a previously unknown role of epigenetic order maintenance in specific genomic regions of LLIs, which helps open a new avenue on the epigenetic regulation mechanism in human healthy aging and longevity. [ABSTRACT FROM AUTHOR]
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- 2024
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23. Parathyroid Paranoia: Unveiling Psychosis in Hyperparathyroidism.
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Murphy, Rachael J., Paul, Subin, Primelo, Ralph, and Jönsson, Erik
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HYPERPARATHYROIDISM ,ACTIVITIES of daily living ,PSYCHIATRIC drugs ,SUBSTANCE abuse ,HYPERCALCEMIA - Abstract
Primary hyperparathyroidism (PHPT) and subsequent hypercalcemia have been reported to be associated with psychosis. Here we report the case of a 28‐year‐old cannabis using male with his first contact with psychiatric care because of mood instability, bizarre behavior, and poor ability to carry out activities of daily living. Hypercalcemia was identified, and a subsequent endocrine workup confirmed PHPT. After parathyroidectomy, there was no longer any need for antipsychotic or other psychotropic medications; the report emphasizes the importance of considering organic causes, such as hyperparathyroidism, in patients presenting with psychotic‐like symptoms, including in the setting of substance use disorder. Prompt recognition and appropriate management of the underlying condition are crucial for optimizing patient outcomes. [ABSTRACT FROM AUTHOR]
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- 2024
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24. Systematic review and best practices for drone remote sensing of invasive plants.
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Singh, Kunwar K., Surasinghe, Thilina D., and Frazier, Amy E.
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INVASIVE plants ,REMOTE sensing ,IMAGE recognition (Computer vision) ,PLANT invasions ,BEST practices ,KNOWLEDGE gap theory ,FLIGHT simulators ,CARDIOVASCULAR fitness - Abstract
Drones have emerged as a cost‐effective solution to detect and map plant invasions, offering researchers and land managers flexibility in flight design, sensors and data collection schedules. A systematic review of trends in drone‐based image collection, data processing and analytical approaches is needed to advance the science of invasive species monitoring and management and improve scalability and replicability.We systematically reviewed studies using drones for plant invasion research to identify knowledge gaps, best practices and a path toward advancing the science of invasive plant monitoring and management. We devised a database of 33 standardized reporting parameters, coded each study to those parameters, calculated descriptive statistics and synthesized how these technologies are being implemented and used.Trends show a general increase in studies since 2009 with a bias toward temperate regions in North America and Europe. Most studies have focused on testing the validity of a machine learning or deep learning image classification technique with fewer studies focused on monitoring or modelling spread. Very few studies used drones for assessing ecosystem dynamics and impacts such as determining environmental drivers or tracking re‐emergence after disturbance. Overall, we noted a lack of standardized reporting on field survey design, flight design, drone systems, image processing and analyses, which hinders replicability and scalability of approaches. Based on these findings, we develop a standard framework for drone applications in invasive species monitoring to foster cross‐study comparability and reproducibility.We suggest several areas for advancing the use of drones in invasive plant studies including (1) utilizing standardized reporting frameworks to facilitate scientific research practices, (2) integrating drone data with satellite imagery to scale up relationships over larger areas, (3) using drones as an alternative to in‐person ground surveys and (4) leveraging drones to assess community trait shifts tied to plant fitness and reproduction. [ABSTRACT FROM AUTHOR]
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- 2024
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25. Causal associations of birth body size and adult body size with systemic lupus erythematosus: a bidirectional mendelian randomization study.
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Peng, Juan, Wang, Huizi, Yanjuan, and Dong, Xudong
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BIRTH size ,SYSTEMIC lupus erythematosus ,BODY size ,GENOME-wide association studies ,BIRTH weight - Abstract
Objective: Body size is associated with the onset of systemic lupus erythematosus (SLE). However, the evidence for this association is inconclusive. In this study, we aimed to investigate the causal relationship between body size and SLE. Method: We performed a bidirectional Mendelian randomization (MR) analysis that utilized summary statistics sourced from genome-wide association study (GWAS) data obtained from the IEU Open GWAS project website. The inverse variance weighting (IVW) method was used to evaluate the causality, and four additional MR methods were used to supplement the IVW results. Sensitivity analyses were performed using the Cochran's Q test, MR-Egger regression, leave-one-out analysis, and the Mendelian Randomization Pleiotropy RESidual Sum and Outlier (MR-PRESSO) global test. Results: In the forward direction analysis, the IVW model demonstrated that birth weight (odds ratio (OR), 1.811; 95% confidence interval (CI), 1.174--2.793; p < 0.05) and adult height (OR, 1.225; 95% CI, 1.046--1.434; p < 0.05) were positively associated with SLE. Four additional MR scans were performed parallel to the IVW results. Conversely, SLE was a weak causal factor for increased height (OR, 1.010; 95% CI, 1.002--1.018; p < 0.05) using the IVW method. Heterogeneity, MR-Egger intercept, and leave-one-out analyses indicated that the results were robust. The MR-PRESSO suggested the presence of pleiotropy. Following the exclusion of instrumental variables (IVs) inducing pleiotropy, subsequent MR analysis yielded consistent results, thereby reinforcing the robustness of our findings. Conclusion: Positive causal associations were observed between birth weight, adult height, and SLE incidence. In the reverse analysis, SLE was a weak causal factor for adult height. [ABSTRACT FROM AUTHOR]
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- 2024
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26. Plant invasion in Mediterranean Europe: current hotspots and future scenarios.
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Cao Pinna, Luigi, Gallien, Laure, Pollock, Laura J., Axmanová, Irena, Chytrý, Milan, Malavasi, Marco, Acosta, Alicia T. R., Antonio Campos, Juan, and Carboni, Marta
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PLANT invasions ,MOUNTAIN ecology ,SHORT stature ,INTRODUCED plants ,CLIMATE change ,ECOSYSTEMS ,BIOLOGICAL invasions - Abstract
The Mediterranean Basin has historically been subject to alien plant invasions that threaten its unique biodiversity. This seasonally dry and densely populated region is undergoing severe climatic and socioeconomic changes, and it is unclear whether these changes will worsen or mitigate plant invasions. Predictions are often biased, as species may not be in equilibrium in the invaded environment, depending on their invasion stage and ecological characteristics. To address future predictions uncertainty, we identified invasion hotspots across multiple biased modelling scenarios and ecological characteristics of successful invaders. We selected 92 alien plant species widespread in Mediterranean Europe and compiled data on their distribution in the Mediterranean and worldwide. We combined these data with environmental and propagule pressure variables to model global and regional species niches, and map their current and future habitat suitability. We identified invasion hotspots, examined their potential future shifts, and compared the results of different modelling strategies. Finally, we generalised our findings by using linear models to determine the traits and biogeographic features of invaders most likely to benefit from global change. Currently, invasion hotspots are found near ports and coastlines throughout Mediterranean Europe. However, many species occupy only a small portion of the environmental conditions to which they are preadapted, suggesting that their invasion is still an ongoing process. Future conditions will lead to declines in many currently widespread aliens, which will tend to move to higher elevations and latitudes. Our trait models indicate that future climates will generally favour species with conservative ecological strategies that can cope with reduced water availability, such as those with short stature and low specific leaf area. Taken together, our results suggest that in future environments, these conservative aliens will move farther from the introduction areas and upslope, threatening mountain ecosystems that have been spared from invasions so far. [ABSTRACT FROM AUTHOR]
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- 2024
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27. Especies introducidas como síntoma de degradación.
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González-Montelongo, Cristina, Cigala, Agustín Naranjo, and Arévalo, José Ramón
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- 2024
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28. Comprehensive mapping of the AOP-Wiki database: identifying biological and disease gaps.
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Jaylet, Thomas, Coustillet, Thibaut, Smith, Nicola M., Viviani, Barbara, Lindeman, Birgitte, Vergauwen, Lucia, Myhre, Oddvar, Yarar, Nurettin, Gostner, Johanna M., Monfort-Lanzas, Pablo, Jornod, Florence, Holbech, Henrik, Coumoul, Xavier, Sarigiannis, Dimosthenis A., Antczak, Philipp, Bal-Price, Anna, Fritsche, Ellen, Kuchovska, Eliska, Stratidakis, Antonios K., and Barouki, Robert
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BIOLOGICAL databases ,HEALTH risk assessment ,DATABASES ,GENE ontology ,EVIDENCE gaps - Abstract
Introduction: The Adverse Outcome Pathway (AOP) concept facilitates rapid hazard assessment for human health risks. AOPs are constantly evolving, their number is growing, and they are referenced in the AOP-Wiki database, which is supported by the OECD. Here, we present a study that aims at identifying welldefined biological areas, as well as gaps within the AOP-Wiki for future research needs. It does not intend to provide a systematic and comprehensive summary of the available literature on AOPs but summarizes and maps biological knowledge and diseases represented by the already developed AOPs (with OECD endorsed status or under validation). Methods: Knowledge from the AOP-Wiki database were extracted and prepared for analysis using a multi-step procedure. An automatic mapping of the existing information on AOPs (i.e., genes/proteins and diseases) was performed using bioinformatics tools (i.e., overrepresentation analysis using Gene Ontology and DisGeNET), allowing both the classification of AOPs and the development of AOP networks (AOPN). Results: AOPs related to diseases of the genitourinary system, neoplasms and developmental anomalies are the most frequently investigated on the AOP-Wiki. An evaluation of the three priority cases (i.e., immunotoxicity and non-genotoxic carcinogenesis, endocrine and metabolic disruption, and developmental and adult neurotoxicity) of the EU-funded PARC project (Partnership for the Risk Assessment of Chemicals) are presented. These were used to highlight under- and over-represented adverse outcomes and to identify and prioritize gaps for further research. Discussion: These results contribute to a more comprehensive understanding of the adverse effects associated with the molecular events in AOPs, and aid in refining risk assessment for stressors and mitigation strategies. Moreover, the FAIRness (i.e., data which meets principles of findability, accessibility, interoperability, and reusability (FAIR)) of the AOPs appears to be an important consideration for further development. [ABSTRACT FROM AUTHOR]
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- 2024
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29. Genetic interrogation for sequence and copy number variants in systemic lupus erythematosus.
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Kim-Wah Yeo, Nicholas, Che Kang Lim, Nay Yaung, Katherine, Kim Huat Khoo, Nicholas, Thaschawee Arkachaisri, Albani, Salvatore, and Joo Guan Yeo
- Subjects
SYSTEMIC lupus erythematosus ,DNA copy number variations ,EXOMES ,NUCLEOTIDE sequencing ,LUPUS erythematosus - Abstract
Early-onset systemic lupus erythematosus presents with a more severe disease and is associated with a greater genetic burden, especially in patients from Black, Asian or Hispanic ancestries. Next-generation sequencing techniques, notably whole exome sequencing, have been extensively used in genomic interrogation studies to identify causal disease variants that are increasingly implicated in the development of autoimmunity. This Review discusses the known casual variants of polygenic and monogenic systemic lupus erythematosus and its implications under certain genetic disparities while suggesting an age-based sequencing strategy to aid in clinical diagnostics and patient management for improved patient care. [ABSTRACT FROM AUTHOR]
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- 2024
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30. 氯菊酯对人小胶质细胞HMC3 的毒性效应及 潜在机制.
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张婉莉, 单文琪, 陈超, 董昊炜, 袁浩, 周秋明, 陶峰, 彭恒, and 马雅军
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- 2024
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31. Variable, life stage-dependent mycorrhizal specificity and its developmental consequences in the fully myco-heterotrophic orchid Cyrtosia septentrionalis.
- Author
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Hidetaka Umata, Gale, Stephan W., Kenji Suetsugu, and Yuko Ota
- Subjects
ORCHIDS ,MYCORRHIZAL fungi ,SEEDS - Abstract
The degree of specificity between fully myco-heterotrophic (MH) orchids and mycorrhizal fungi is regarded as high, but some species undergo a mycobiont shift as they transition from juvenile to adult plant. We investigated morphological and physiological aspects of the interaction between the fully MH Cyrtosia septentrionalis and its four known mycobionts to elucidate developmental consequences of variable, life-stage-dependent specificity. Of five randomly sampled germinated seeds co-cultured with each mycobiont, Physisporinus sp. 'TK-10' colonized all, Armillaria gallica and Desarmillaria tabescens colonized one, and A. mellea subsp. nipponica colonized none. Whereas 16.2% of aseptically germinated seeds exhibited onward growth when co-cultured with TK-10, just 1.5-2.6% did so with the other species. Even so, A. gallica colonized and formed internal rhizomorphs within rhizomes established with TK-10, suggesting that this mycobiont can replace and potentially can oust the latter. We infer that the orchid can associate with Armillaria and Desarmillaria mycobionts throughout its life, but that TK-10 enhances early growth. However, because TK-10 has a higher wood-rotting capacity than A. gallica, rapid resource exhaustion may cause nutrient supply shortages. We hypothesize that secondary colonization by Armillaria or Desarmillaria species triggers TK-10 displacement and that this mycobiont shift sustains orchid growth for longer. [ABSTRACT FROM AUTHOR]
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- 2024
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32. Deciphering the role of immune cell composition in epigenetic age acceleration: Insights from cell‐type deconvolution applied to human blood epigenetic clocks.
- Author
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Zhang, Ze, Reynolds, Samuel R., Stolrow, Hannah G., Chen, Ji‐Qing, Christensen, Brock C., and Salas, Lucas A.
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EPIGENETICS ,DNA methylation ,RHEUMATOID arthritis ,INDIVIDUALIZED medicine ,CONFORMANCE testing ,EPIGENOMICS - Abstract
Aging is a significant risk factor for various human disorders, and DNA methylation clocks have emerged as powerful tools for estimating biological age and predicting health‐related outcomes. Methylation data from blood DNA has been a focus of more recently developed DNA methylation clocks. However, the impact of immune cell composition on epigenetic age acceleration (EAA) remains unclear as only some clocks incorporate partial cell type composition information when analyzing EAA. We investigated associations of 12 immune cell types measured by cell‐type deconvolution with EAA predicted by six widely‐used DNA methylation clocks in data from >10,000 blood samples. We observed significant associations of immune cell composition with EAA for all six clocks tested. Across the clocks, nine or more of the 12 cell types tested exhibited significant associations with EAA. Higher memory lymphocyte subtype proportions were associated with increased EAA, and naïve lymphocyte subtypes were associated with decreased EAA. To demonstrate the potential confounding of EAA by immune cell composition, we applied EAA in rheumatoid arthritis. Our research maps immune cell type contributions to EAA in human blood and offers opportunities to adjust for immune cell composition in EAA studies to a significantly more granular level. Understanding associations of EAA with immune profiles has implications for the interpretation of epigenetic age and its relevance in aging and disease research. Our detailed map of immune cell type contributions serves as a resource for studies utilizing epigenetic clocks across diverse research fields, including aging‐related diseases, precision medicine, and therapeutic interventions. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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33. Specific effects on the thyroid relevant for performing a dietary cumulative risk assessment of pesticide residues: 2024 update.
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Crivellente, Federica, Hernández‐Jerez, Antonio F., Lanzoni, Anna, Metruccio, Francesca, Mohimont, Luc, Nikolopoulou, Dimitra, and Castoldi, Anna F.
- Subjects
PESTICIDE residues in food ,PESTICIDE pollution ,RISK assessment ,THYROID gland ,PLANT products - Abstract
EFSA updated its previous work on the establishment of specific effects that are considered relevant for grouping pesticide residues targeting the thyroid and for performing the retrospective assessment of dietary cumulative risk (CRA). The two specific effects already selected in 2019 leading to the two cumulative assessment groups (CAGs) 'hypothyroidism' and 'C‐cell hypertrophy, hyperplasia and neoplasia' were reconfirmed. Compared to 2019, the list of indicators that can be used to identify these specific effects was refined to only include histopathological changes. In a second phase of the work, data will be extracted on indicators of the specific effects from the dossiers on active substances (a.s.) used as plant protection products. The criteria for including a.s. into CAGs were also updated, together with the hazard characterisation methodology and the lines of evidence for assessing CAG‐membership probabilities. The tasks related to the data extraction and the establishment of the CAGs on hypothyroidism and on C‐cell hypertrophy, hyperplasia and neoplasia are beyond the scope of this report. This part of the CRA process has been outsourced and will be the subject of a separate report. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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34. Dynamics of the soil microbial community associated with Morchella cultivation: diversity, assembly mechanism and yield prediction.
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Yihong Yue, Haibo Hao, Qian Wang, Tingting Xiao, Yuchen Zhang, Qun Chen, Hui Chen, and Jinjing Zhang
- Subjects
MICROBIAL ecology ,SOIL dynamics ,SOIL microbial ecology ,MICROBIAL communities ,POTASSIUM fertilizers ,FUNGAL communities ,POTASSIUM - Abstract
Introduction: The artificial cultivation of morels has been a global research focus owing to production variability. Understanding the microbial ecology in cultivated soil is essential to increase morel yield and alleviate pathogen harm. Methods: A total of nine Morchella cultivation experiments in four soil field types, forest, paddy, greenhouse, and orchard in Shanghai city were performed to determine the potential ecological relationship between Morchella growth and soil microbial ecology. Results: Generally, significant variation was observed in the soil microbial diversity and composition between the different experimental field types. The niche width analysis indicated that the bacterial habitat niche breadth was significantly greater than the fungal community width, which was further confirmed by a null model that revealed that homogeneous selection could explain 46.26 and 53.64% of the variance in the bacterial and fungal assemblies, respectively. Moreover, the neutral community model revealed that stochastic processes dominate the bacterial community in forests and paddies and both the bacterial and fungal communities in orchard crops, whereas deterministic processes mostly govern the fungal community in forests and paddies and both the bacterial and the fungal communities in greenhouses. Furthermore, co-occurrence patterns were constructed, and the results demonstrated that the dynamics of the soil microbial community are related to fluctuations in soil physicochemical characteristics, especially soil potassium. Importantly, structural equation modeling further demonstrated that the experimental soil type significantly affects the potassium content of the soil, which can directly or indirectly promote Morchella yield by inhibiting soil fungal richness. Discussion: This was the first study to predictmorel yield through soil potassium fertilizer and soil fungal community richness, which provides new insights into deciphering the importance of microbial ecology in morel agroecosystems. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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35. Association between a single-nucleotide polymorphism of the angiotensin-converting enzyme gene and susceptibility to systemic lupus erythematosus in the Hainanese population of China.
- Author
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Zhang Q, Zhuang Y, Zhang X, Lin G, Wu H, He Z, Wang Z, Xu W, Yin X, Su L, Jia X, and Gong A
- Subjects
- Adult, Female, Humans, Male, Middle Aged, Alleles, Case-Control Studies, China epidemiology, Genetic Association Studies, Genotype, Haplotypes, Linkage Disequilibrium, East Asian People genetics, Gene Frequency, Genetic Predisposition to Disease, Lupus Erythematosus, Systemic genetics, Peptidyl-Dipeptidase A genetics, Polymorphism, Single Nucleotide
- Abstract
The angiotensin-converting enzyme (ACE) gene plays a significant role in regulating immune responses and inflammatory processes, thus impacting the susceptibility to systemic lupus erythematosus (SLE). Understanding how single-nucleotide polymorphisms (SNPs) within the ACE gene contribute to the genetic susceptibility to SLE is essential for comprehending the disease's aetiology. Therefore, exploring this relationship in the Hainan region of China is crucial for gaining insights into the pathogenesis of SLE. This study comprised 428 participants, including 214 SLE patients and 214 healthy controls. Clinical data were gathered, and blood samples were collected. Genotyping of three SNPs (rs4459609, rs4309, rs1987692) within the ACE gene was performed using SNaPshot technology. The frequencies of alleles and genotypes of these three SNPs were compared between the SLE and control groups. Combining different genetic models and haplotype analysis, the correlation between ACE gene polymorphisms and SLE was investigated. Both study groups exhibited conformity with the Hardy-Weinberg genetic equilibrium (p > .05). Significant differences were observed in the genotype frequency distributions of ACE genes rs4459609, rs4309 and rs1987692 between the SLE and control groups (p = .009, .008, .032, respectively). The frequency of allele T at rs4309 was significantly higher in the SLE group than in the control group, correlating significantly with increased SLE risk (odds ratio [OR] = 1.527, 95% confidence interval [CI] = 1.147-2.035). Associations among ACE rs4459609, rs4309 and rs1987692 polymorphisms and increased susceptibility to SLE were found under co-dominant and dominant models (p < .05, with OR values and 95% CI greater than 1). Linkage disequilibrium was observed among rs4459609, rs4309 and rs1987692, and haplotype analysis revealed a significantly higher frequency of the CCA haplotype in the control group compared to the SLE group (p < .001). The ACA and ATA haplotypes showed significantly higher frequencies in the SLE group than in the control group (p = .014, p = .013, respectively). ACE gene polymorphisms are associated with the genetic susceptibility to SLE. The AC and AA genotypes at the rs4459609 locus, the TT genotype and T allele at the rs4309 locus and the AC and CC genotypes at the rs1987692 locus may serve as risk factors for the development of SLE., (© 2024 The Author(s). International Journal of Immunogenetics published by John Wiley & Sons Ltd.)
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- 2024
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36. Unlocking longevity: the role of telomeres and its targeting interventions.
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Schellnegger, Marlies, Hofmann, Elisabeth, Carnieletto, Martina, and Kamolz, Lars-Peter
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TELOMERES ,VITAMINS ,STATINS (Cardiovascular agents) ,DEVELOPED countries ,MEDICINAL plants ,POLYPHENOLS ,TELOMERASE ,LIFE expectancy ,GERIATRICS ,ANTI-inflammatory agents ,INFLAMMATION ,MEDICAL care ,COGNITION ,ANTIOXIDANTS ,CELL division ,OXIDATIVE stress ,AMINES ,AGING ,GENE therapy ,OMEGA-3 fatty acids ,LONGEVITY ,PLANT extracts ,PHENOTYPES ,CELL death ,PHARMACODYNAMICS - Abstract
Average life expectancy has been steadily increasing in developed countries worldwide. These demographic changes are associated with an ever-growing social and economic strain to healthcare systems as well as society. The aging process typically manifests as a decline in physiological and cognitive functions, accompanied by a rise in chronic diseases. Consequently, strategies that both mitigate age-related diseases and promote healthy aging are urgently needed. Telomere attrition, characterized by the shortening of telomeres with each cell division, paradoxically serves as both a protective mechanism and a contributor to tissue degeneration and age-related ailments. Based on the essential role of telomere biology in aging, research efforts aim to develop approaches designed to counteract telomere attrition, aiming to delay or reduce age-related diseases. In this review, telomere biology and its role in aging and age-related diseases is summarized along with recent approaches to interfere with telomere shortening aiming at well- and healthy-aging as well as longevity. As aging research enters a new era, this review emphasizes telomere-targeting therapeutics, including telomerase activators and tankyrase inhibitors, while also exploring the effects of antioxidative and anti-inflammatory agents, along with indirectly related approaches like statins. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
37. Pace and parity predict the short‐term persistence of small plant populations.
- Author
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DePrenger‐Levin, Michelle and Wunder, Michael B.
- Subjects
PLANT populations ,LIFE history theory ,ENDANGERED species ,TRANSIENTS (Dynamics) ,POPULATION dynamics ,BIOLOGICAL extinction - Abstract
Life history traits are used to predict asymptotic odds of extinction from dynamic conditions. Less is known about how life history traits interact with stochasticity and population structure of finite populations to predict near‐term odds of extinction. Through empirically parameterized matrix population models, we study the impact of life history (reproduction, pace), stochasticity (environmental, demographic), and population history (existing, novel) on the transient population dynamics of finite populations of plant species. Among fast and slow pace and either a uniform or increasing reproductive intensity or short or long reproductive lifespan, slow, semelparous species are at the greatest risk of extinction. Long reproductive lifespans buffer existing populations from extinction while the odds of extinction of novel populations decrease when the reproductive effort is uniformly spread across the reproductive lifespan. Our study highlights the importance of population structure, pace, and two distinct aspects of parity for predicting near‐term odds of extinction. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
38. Constructing a database of alien plants in the Himalaya to test patterns structuring diversity.
- Author
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Rana, Suresh K., Dangwal, Bhawana, Rawat, Gopal S., and Price, Trevor D.
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INTRODUCED plants ,DATABASES ,NATIVE species ,INTRODUCED species ,NUMBERS of species - Abstract
Differences in the number of alien plant species in different locations may reflect climatic and other controls that similarly affect native species and/or propagule pressure accompanied with delayed spread from the point of introduction. We set out to examine these alternatives for Himalayan plants, in a phylogenetic framework. We build a database of alien plant distributions for the Himalaya. Focusing on the well‐documented regions of Jammu & Kashmir (west) and Bhutan (east) we compare alien and native species for (1) richness patterns, (2) degree of phylogenetic clustering, (3) the extent to which species‐poor regions are subsets of species‐rich regions and (4) continental and climatic affinities/source. We document 1470 alien species (at least 600 naturalised), which comprise ~14% of the vascular plants known from the Himalaya. Alien plant species with tropical affinities decline in richness with elevation and species at high elevations form a subset of those at lower elevations, supporting location of introduction as an important driver of alien plant richness patterns. Separately, elevations which are especially rich in native plant species are also rich in alien plant species, suggesting an important role for climate (high productivity) in determining both native and alien richness. We find no support for the proposition that variance in human disturbance or numbers of native species correlate with alien distributions. Results imply an ongoing expansion of alien species from low elevation sources, some of which are highly invasive. Several reasons have been proposed for why alien species richness patterns vary across the globe, but they are rarely compared in a comprehensive test. Here we build a complete database of Himalayan alien plant species and show that both location of introduction and climate per se are likely important in explaining elevational and geographical patterns of species diversity. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
39. Standardising field‐based assessment of invasion degree: A case study in two habitats of Reunion Island.
- Author
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Fenouillas, Pauline, Caubit, Margot, Cazal, Emilie, Ajaguin Soleyen, Cédric, Strasberg, Dominique, and Rouget, Mathieu
- Published
- 2024
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40. Gene-educational attainment interactions in a multi-population genome-wide meta-analysis identify novel lipid loci.
- Author
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de las Fuentes, Lisa, Schwander, Karen L., Brown, Michael R., Bentley, Amy R., Winkler, Thomas W., Yun Ju Sung, Munroe, Patricia B., Miller, Clint L., Hugo Aschard, Aslibekyan, Stella, Bartz, Traci M., Bielak, Lawrence F., Jin Fang Chai, Ching-Yu Cheng, Dorajoo, Rajkumar, Feitosa, Mary F., Xiuqing Guo, Hartwig, Fernando P., Horimoto, Andrea, and Kolčić, Ivana
- Subjects
LDL cholesterol ,HDL cholesterol ,LOCUS (Genetics) ,LIPID metabolism ,EDUCATIONAL attainment ,MICROSATELLITE repeats - Abstract
Introduction: Educational attainment, widely used in epidemiologic studies as a surrogate for socioeconomic status, is a predictor of cardiovascular health outcomes. Methods: A two-stage genome-wide meta-analysis of low-density lipoprotein cholesterol (LDL), high-density lipoprotein cholesterol (HDL), and triglyceride (TG) levels was performed while accounting for gene-educational attainment interactions in up to 226,315 individuals from five population groups. We considered two educational attainment variables: "Some College" (yes/no, for any education beyond high school) and "Graduated College" (yes/no, for completing a 4-year college degree). Genome-wide significant (p < 5 × 10
-8 ) and suggestive (p < 1 × 10-6 ) variants were identified in Stage 1 (in up to 108,784 individuals) through genome-wide analysis, and those variants were followed up in Stage 2 studies (in up to 117,531 individuals). Results: In combined analysis of Stages 1 and 2, we identified 18 novel lipid loci (nine for LDL, seven for HDL, and two for TG) by two degree-of-freedom (2 DF) joint tests of main and interaction effects. Four loci showed significant interaction with educational attainment. Two loci were significant only in cross-population analyses. Several loci include genes with known or suggested roles in adipose (FOXP1, MBOAT4, SKP2, STIM1, STX4), brain (BRI3, FILIP1, FOXP1, LINC00290, LMTK2, MBOAT4, MYO6, SENP6, SRGAP3, STIM1, TMEM167A, TMEM30A), and liver (BRI3, FOXP1) biology, highlighting the potential importance of brainadipose-liver communication in the regulation of lipid metabolism. An investigation of the potential druggability of genes in identified loci resulted in five gene targets shown to interact with drugs approved by the Food and Drug Administration, including genes with roles in adipose and brain tissue. Discussion: Genome-wide interaction analysis of educational attainment identified novel lipid loci not previously detected by analyses limited to main genetic effects. [ABSTRACT FROM AUTHOR]- Published
- 2023
- Full Text
- View/download PDF
41. Niche unfilling dominates the naturalization of species from intercontinentally disjunct genera.
- Author
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Liu, Yunpeng, Heberling, J. Mason, Wang, Zhiheng, Soltis, Douglas E., and Soltis, Pamela S.
- Subjects
NATURALIZATION ,BIOLOGICAL evolution ,SPECIES ,ECOLOGICAL models ,INTRODUCED species ,COMPETITION (Biology) ,ECOLOGICAL niche - Abstract
Aim: Quantifying niche shifts of non‐native species and their interactions with natives is vital in evaluating invasion risk yet remains difficult. Climate filtering and competition with native congeners are two important processes impacting niche changes and yielding contradictory predictions for the coexistence of non‐native and native species. Closely related species representing the Eastern Asia (EA)–Eastern North America (ENA) floristic disjunction provide a powerful yet unexplored system for assessing the relative roles of these two processes. Here, we tested three niche change scenarios (unfilling, expansion and stable) using EA species naturalized in ENA. We aim to answer: (1) which scenario is observed for naturalized species? and (2) how has niche overlap between EA and ENA congeners changed after naturalization? Location: ENA and EA. Time Period: Present. Major Taxa Studied: Angiosperms. Methods: Niches were estimated using both occurrences and predictions generated by ecological niche models. Niche changes of naturalized species and their niche overlap with natives were measured using Schoener's D. Contributions of niche expansion and unfilling on niche changes of naturalized niches were evaluated using hierarchical partitioning and linear regressions. We further measured pairwise phylogenetic distances among EA and ENA congeners and evaluated the association with niche overlap. Results: Unfilling‐dominated postintroduction niche changes of the naturalized species. EA species naturalized in ENA exhibited lower niche overlap with ENA native congeners compared with native range populations in EA. These results remain when considering time since introduction and potential physical dispersal limitations interpreted by projecting suitable niche space between EA and ENA. However, dispersal limitation may contribute to the degree of niche unfilling. Main Conclusions: Using intercontinental disjunct species as a study system, we found that naturalization is shaped jointly by climate filtering and competition with native congeners, providing valuable insights for evaluating invasion risk underlying global floristic exchanges. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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- View/download PDF
42. Nature and nurture: understanding phenotypic variation in inborn errors of immunity.
- Author
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Similuk, Morgan and Kuijpers, Taco
- Subjects
NATURE & nurture ,PHENOTYPIC plasticity ,IMMUNITY ,ENVIRONMENTAL literacy ,IMMUNE system - Abstract
The overall disease burden of pediatric infection is high, with widely varying clinical outcomes including death. Among the most vulnerable children, those with inborn errors of immunity, reduced penetrance and variable expressivity are common but poorly understood. There are several genetic mechanisms that influence phenotypic variation in inborn errors of immunity, as well as a body of knowledge on environmental influences and specific pathogen triggers. Critically, recent advances are illuminating novel nuances for fundamental concepts on disease penetrance, as well as raising new areas of inquiry. The last few decades have seen the identification of almost 500 causes of inborn errors of immunity, as well as major advancements in our ability to characterize somatic events, the microbiome, and genotypes across large populations. The progress has not been linear, and yet, these developments have accumulated into an enhanced ability to diagnose and treat inborn errors of immunity, in some cases with precision therapy. Nonetheless, many questions remain regarding the genetic and environmental contributions to phenotypic variation both within and among families. The purpose of this review is to provide an updated summary of key concepts in genetic and environmental contributions to phenotypic variation within inborn errors of immunity, conceptualized as including dynamic, reciprocal interplay among factors unfolding across the key dimension of time. The associated findings, potential gaps, and implications for research are discussed in turn for each major influencing factor. The substantial challenge ahead will be to organize and integrate information in such a way that accommodates the heterogeneity within inborn errors of immunity to arrive at a more comprehensive and accurate understanding of how the immune system operates in health and disease. And, crucially, to translate this understanding into improved patient care for the millions at risk for serious infection and other immune-related morbidity. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
43. Citizen science can complement professional invasive plant surveys and improve estimates of suitable habitat.
- Author
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Dimson, Monica, Berio Fortini, Lucas, Tingley, Morgan W., and Gillespie, Thomas W.
- Subjects
INVASIVE plants ,CITIZEN science ,HABITATS ,NUMBERS of species ,INTRODUCED species ,TRAILS ,LANDSAT satellites - Abstract
Aim: Citizen science is a cost‐effective potential source of invasive species occurrence data. However, data quality issues due to unstructured sampling approaches may discourage the use of these observations by science and conservation professionals. This study explored the utility of low‐structure iNaturalist citizen science data in invasive plant monitoring. We first examined the prevalence of invasive taxa in iNaturalist plant observations and sampling biases associated with these data. Using four invasive species as examples, we then compared iNaturalist and professional agency observations and used the two datasets to model suitable habitat for each species. Location: Hawai'i, USA. Methods: To estimate the prevalence of invasive plant data, we compared the number of species and observations recorded in iNaturalist to botanical checklists for Hawai'i. Sampling bias was quantified along gradients of site accessibility, protective status and vegetation disturbance using a bias index. Habitat suitability for four invasive species was modelled in Maxent, using observations from iNaturalist, professional agencies and stratified subsets of iNaturalist data. Results: iNaturalist plant observations were biased towards invasive species, which were frequently recorded in areas with higher road/trail density and vegetation disturbance. Professional observations of four example invasive species tended to occur in less accessible, native‐dominated sites. Habitat suitability models based on iNaturalist versus professional data showed moderate overlap and different distributions of suitable habitat across vegetation disturbance classes. Stratifying iNaturalist observations had little effect on how suitable habitat was distributed for the species modelled in this study. Main Conclusions: Opportunistic iNaturalist observations have the potential to complement and expand professional invasive plant monitoring, which we found was often affected by inverse sampling biases. Invasive species represented a high proportion of iNaturalist plant observations, and were recorded in environments that were not captured by professional surveys. Combining the datasets thus led to more comprehensive estimates of suitable habitat. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
44. FEDERAL REGISTER.
- Subjects
GOVERNMENT agency rules & practices ,NOTICE of proposed rulemaking (Administrative law) ,AIR quality laws - Abstract
The article offers information on the public regulations and legal notices issued by different U.S. government agencies, as of October 1, 2024. Topics include rules on Air Quality State Implementation Plans as proposed by the U.S. Environmental Protection Agency; and the rules on Medicare Program by the U.S. Centers for Medicare & Medicaid Services.
- Published
- 2024
45. Point-of-use chlorine residuals and disinfection byproduct occurrences in rural households served by public water utilities in Appalachian Virginia.
- Author
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Rasheduzzaman M, O'Connell B, Krometis LA, Brown T, and Cohen A
- Subjects
- Virginia, Water Purification methods, Disinfection, Humans, Disinfectants analysis, Appalachian Region, Family Characteristics, Chlorine analysis, Rural Population, Drinking Water chemistry, Drinking Water analysis, Water Pollutants, Chemical analysis, Water Supply, Trihalomethanes analysis
- Abstract
We characterized concentrations of trihalomethanes (THMs), a measure of disinfection byproducts (DBPs), in tap water samples collected from households with utility-supplied water in two rural counties in Appalachian Virginia, and assessed associations with pH, free chlorine, and metal ions which can impact THM formation. Free chlorine concentrations in all samples ( n = 27 homes) complied with EPA drinking water guidelines, though 7% ( n = 2) of first draw samples and 11% ( n = 3) of 5-min flushed-tap water samples exceeded the US Safe Drinking Water Act (SDWA) maximum contaminant level (MCL) for THM (80 ppb). Regression analyses showed that free chlorine and pH were positively associated with the formation of THM levels above SDWA MCLs (OR = 1.04, p = 0.97 and OR = 1.74, p = 0.79, respectively), while temperature was negatively associated (OR = 0.78, p = 0.38). Of the eight utilities serving study households, samples from water served by three different utilities exceeded the EPA MCL for THM. Overall, these findings do not indicate substantial exposures to DBPs for rural households with utility-supplied water in this region of southwest Virginia. However, given the observed variability in THM concentrations between and across utilities, and established adverse health impacts associated with chronic and acute DBP exposure, more research on DBPs in rural Central Appalachia is warranted., Competing Interests: The authors declare there is no conflict., (© 2024 The Authors This is an Open Access article distributed under the terms of the Creative Commons Attribution Licence (CC BY 4.0), which permits copying, adaptation and redistribution, provided the original work is properly cited (http://creativecommons.org/licenses/by/4.0/).)
- Published
- 2024
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46. Impact of occupational pesticide exposure on the human gut microbiome.
- Author
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Brandao Gois, Milla F., Fernández-Pato, Asier, Huss, Anke, Gacesa, Ranko, Wijmenga, Cisca, Weersma, Rinse K., Jingyuan Fu, Vermeulen, Roel C. H., Zhernakova, Alexandra, Lenters, Virissa C., and Kurilshikov, Alexander
- Subjects
GUT microbiome ,PESTICIDES ,HUMAN microbiota ,OCCUPATIONAL exposure ,POLLUTANTS ,INSECTICIDES ,BIOCONVERSION - Abstract
The rising use of pesticides in modern agriculture has led to a shift in disease burden in which exposure to these chemicals plays an increasingly important role. The human gut microbiome, which is partially responsible for the biotransformation of xenobiotics, is also known to promote biotransformation of environmental pollutants. Understanding the effects of occupational pesticide exposure on the gut microbiome can thus provide valuable insights into the mechanisms underlying the impact of pesticide exposure on health. Here we investigate the impact of occupational pesticide exposure on human gut microbiome composition in 7198 participants from the Dutch Microbiome Project of the Lifelines Study. We used job-exposure matrices in combination with occupational codes to retrieve categorical and cumulative estimates of occupational exposures to general pesticides, herbicides, insecticides and fungicides. Approximately 4% of our cohort was occupationally exposed to at least one class of pesticides, with predominant exposure to multiple pesticide classes. Most participants reported long-term employment, suggesting a cumulative profile of exposure. We demonstrate that contact with insecticides, fungicides and a general “all pesticides” class was consistently associated with changes in the gut microbiome, showing significant associations with decreased alpha diversity and a differing beta diversity. We also report changes in the abundance of 39 different bacterial taxa upon exposure to the different pesticide classes included in this study. Together, the extent of statistically relevant associations between gut microbial changes and pesticide exposure in our findings highlights the impact of these compounds on the human gut microbiome. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
47. Snag decomposition following stand‐replacing wildfires alters wildlife habitat use and surface woody fuels through time.
- Author
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Peterson, David W., Dodson, Erich K., and Harrod, Richy J.
- Subjects
HABITATS ,PONDEROSA pine ,CONIFEROUS forests ,WILDFIRES ,TROPICAL dry forests ,WILDFIRE prevention ,FUEL reduction (Wildfire prevention) ,FIRE ecology - Abstract
High‐severity wildfires create pulses of snags that serve a variety of functions as they decompose over time. Snag‐related benefits (and hazards) are often linked to specific decomposition stages, but snag decomposition rates and pathways are not well understood in many forest types. We examined temporal patterns of snag decomposition, wildlife cavity creation, and surface woody fuel dynamics in dry coniferous forests of the interior Pacific Northwest region of North America by sampling 159 forest stands within a 39‐year chronosequence of stand‐replacing wildfires in dry coniferous forests dominated by ponderosa pine and Douglas‐fir. We found that most snags broke or fell during the first 15 years after wildfire; small‐diameter snags mostly broke off at or near ground level, while many large‐diameter snags initially broke off above a height of 2 m and then remained standing for an extended period. Ponderosa pine and lodgepole pine snags fell earlier than Douglas‐fir and true fir snags of comparable diameter classes. Wildlife cavities were most common in stands surveyed 8–20 years after fire and in snags with broken tops but were not limited to large diameter snags. Cavity snag diameters ranged from 17 to 98 cm, with 64% of cavity snags having diameters between 30 and 60 cm and 22% of cavity snags having diameters >60 cm. Surface woody fuels increased as snags broke and fell, reaching maximum levels in all size classes 15–20 years after fire. The percentage of large diameter rotten woody fuels increased steadily beginning about 15 years after fire, with implications for fuel management and subsequent wildfire behavior and severity. Our study supports the proposition that fire‐killed snags represent a transient resource pulse in which the relative contribution of snags to different ecological functions varies with snag diameter, species, time since fire, and landscape position. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
48. Metagenomics reveals novel microbial signatures of farm exposures in house dust.
- Author
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Ziyue Wang, Dalton, Kathryn R., Mikyeong Lee, Parks, Christine G., Freeman, Laura E. Beane, Qiyun Zhu, González, Antonio, Knight, Rob, Shanshan Zhao, Motsinger-Reif, Alison A., and London, Stephanie J.
- Subjects
ENDOTOXINS ,FARMHOUSES ,AGRICULTURE ,BIFIDOBACTERIUM ,DUST ,WHOLE genome sequencing ,METAGENOMICS ,ENVIRONMENTAL exposure ,HUMAN-animal relationships - Abstract
Indoor home dust microbial communities, important contributors to human health, are shaped by environmental factors, including farm-related exposures. Advanced metagenomic whole genome shotgun sequencing (WGS) improves detection and characterization of microbiota in the indoor built-environment dust microbiome, compared to conventional 16S rRNA amplicon sequencing (16S). We hypothesized that the improved characterization of indoor dust microbial communities by WGS will enhance detection of exposure-outcome associations. The objective of this study was to identify novel associations of environmental exposures with the dust microbiome from the homes of 781 farmers and farm spouses enrolled in the Agricultural Lung Health Study. We examined various farm-related exposures, including living on a farm, crop versus animal production, and type of animal production, as well as non-farm exposures, including home cleanliness and indoor pets. We assessed the association of the exposures on within-sample alpha diversity and between-sample beta diversity, and the differential abundance of specific microbes by exposure. Results were compared to previous findings using 16S. We found most farm exposures were significantly positively associated with both alpha and beta diversity. Many microbes exhibited differential abundance related to farm exposures, mainly in the phyla Actinobacteria, Bacteroidetes, Firmicutes, and Proteobacteria. The identification of novel differential taxa associated with farming at the genera level, including Rhodococcus, Bifidobacterium, Corynebacterium, and Pseudomonas, was a benefit of WGS compared to 16S. Our findings indicate that characterization of dust microbiota, an important component of the indoor environment relevant to human health, is heavily influenced by sequencing techniques. WGS is a powerful tool to survey the microbial community that provides novel insights on the impact of environmental exposures on indoor dust microbiota. These findings can inform the design of future studies in environmental health. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
49. Elevation gradient drives distribution of soil carbon in a semiarid grassland of British Columbia.
- Author
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Kramer, A., Wallace, B. M., Krzic, M., Newman, R., and Bradfield, G. E.
- Subjects
CARBON in soils ,GRASSLANDS ,BLACK cotton soil ,ALTITUDES ,SOIL profiles ,PLATEAUS - Abstract
A sequence of Brown, Dark Brown and Black Chernozems spanning a 600 m elevation gradient in a semiarid bunchgrass ecosystem (Lac du Bois Grassland) near Kamloops, British Columbia was first described in 1961. More soil organic carbon (SOC) at higher elevations along the sequence was attributed to increasing effective precipitation with increasing elevation. Since the 1961 study, plant community composition has shifted toward the desired climax community due to improved livestock management instituted in the 1970s; however, changes in soil carbon stocks remain unknown. The objective of this study was to quantify SOC and soil inorganic carbon (SIC) stocks using the same site selection criteria as used in 1961. SOC stocks (kg m
-2 ± SD; 0-60 cm) were similar for Brown (5.73 ± 1.7) and Dark Brown Chernozems (5.87 ± 0.76) but increased sharply (10.11 ± 2.5) for the higher elevation Black Chernozems. SIC increased with depth in all three soil zones, representing 33%-50% of total C from the 30-60 cm soil depth. To evaluate changes in SOC (0-20 cm) from the 1961 measurements, three different approaches for calculating SOC stocks were used based on the inclusion or exclusion of coarse fragments. Results varied across the three soil zones from no change to a 20% increase in the Brown, an increase of 7% to a reduction of 26% in the Dark Brown, and a decrease of 12% to 35% in the Black soil zone. Information about soil coarse fragments and the distribution of SOC and SIC stocks within the soil profile is crucial for accurate comparisons across studies or resampling events. [ABSTRACT FROM AUTHOR]- Published
- 2023
- Full Text
- View/download PDF
50. Ungulate occurrence in forest harvest blocks is influenced by forage availability, surrounding habitat and silviculture practices.
- Author
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McKay, Tracy and Finnegan, Laura
- Published
- 2023
- Full Text
- View/download PDF
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