8 results on '"Shree Mohan"'
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2. Author Correction: Comprehensive aptamer-based screening identifies a spectrum of urinary biomarkers of lupus nephritis across ethnicities
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Samantha Stanley, Kamala Vanarsa, Samar Soliman, Deena Habazi, Claudia Pedroza, Gabriel Gidley, Ting Zhang, Shree Mohan, Evan Der, Hemant Suryawanshi, Thomas Tuschl, Jill Buyon, Chaim Putterman, Chi Chiu Mok, Michelle Petri, Ramesh Saxena, and Chandra Mohan
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Science - Abstract
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
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- 2020
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3. Immune Responses to Mycobacterium tuberculosis Infection in the Liver of Diabetic Mice
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Ali Badaoui, Kayvan Sasaninia, Aishvaryaa Shree Mohan, Abrianna Beever, Nala Kachour, Anmol Raien, Afsal Kolloli, Ranjeet Kumar, Santhamani Ramasamy, Selvakumar Subbian, and Vishwanath Venketaraman
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tuberculosis ,diabetes ,hepatic tuberculosis ,host immune response ,cytokine imbalance ,redox imbalance ,Biology (General) ,QH301-705.5 - Abstract
Individuals with uncontrolled diabetes are highly susceptible to tuberculosis (TB) caused by Mycobacterium tuberculosis (M. tb) infection. Novel treatments for TB are needed to address the increased antibiotic resistance and hepatoxicity. Previous studies showed that the administration of liposomal glutathione (L-GSH) can mitigate oxidative stress, bolster a granulomatous response, and diminish the M. tb burden in the lungs of M. tb-infected mice. Nonetheless, the impact of combining L-GSH with conventional TB treatment (RIF) on the cytokine levels and granuloma formation in the livers of diabetic mice remains unexplored. In this study, we evaluated hepatic cytokine profiles, GSH, and tissue pathologies in untreated and L-GSH, RIF, and L-GSH+RIF treated diabetic (db/db) M. tb-infected mice. Our results indicate that treatment of M. tb-infected db/db mice with L-GSH+RIF caused modulation in the levels of pro-inflammatory cytokines and GSH in the liver and mitigation in the granuloma size in hepatic tissue. Supplementation with L-GSH+RIF led to a decrease in the M. tb burden by mitigating oxidative stress, promoting the production of pro-inflammatory cytokines, and restoring the cytokine balance. These findings highlight the potential of L-GSH+RIF combination therapy for addressing active EPTB, offering valuable insights into innovative treatments for M. tb infections.
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- 2024
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4. Evaluation of Glutathione in Spike Protein of SARS-CoV-2 Induced Immunothrombosis and Cytokine Dysregulation
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Brandon Norris, Abraham Chorbajian, John Dawi, Aishvaryaa Shree Mohan, Ira Glassman, Jacob Ochsner, Yura Misakyan, Arbi Abnousian, Anthony Kiriaki, Kayvan Sasaninia, Edith Avitia, Cesar Ochoa, and Vishwanath Venketaraman
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glutathione ,COVID-19 ,oxidative stress ,immunothrombosis ,Therapeutics. Pharmacology ,RM1-950 - Abstract
Thrombotic microangiopathy has been identified as a dominant mechanism for increased mortality and morbidity in coronavirus disease 2019 (COVID-19). In the context of severe COVID-19, patients may develop immunothrombosis within the microvasculature of the lungs, which contributes to the development of acute respiratory distress syndrome (ARDS), a leading cause of death in the disease. Immunothrombosis is thought to be mediated in part by increased levels of cytokines, fibrin clot formation, and oxidative stress. Glutathione (GSH), a well-known antioxidant molecule, may have therapeutic effects in countering this pathway of immunothrombosis as decreased levels of (GSH) have been associated with increased viral replication, cytokine levels, and thrombosis, suggesting that glutathione supplementation may be therapeutic for COVID-19. GSH supplementation has never been explored as a means of treating COVID-19. This study investigated the effectiveness of liposomal glutathione (GSH) as an adjunctive therapy for peripheral blood mononuclear cells (PBMC) treated with SARS CoV-2 spike protein. Upon the addition of GSH to cell cultures, cytokine levels, fibrin clot formation, oxidative stress, and intracellular GSH levels were measured. The addition of liposomal-GSH to PBMCs caused a statistically significant decrease in cytokine levels, fibrin clot formation, and oxidative stress. The addition of L-GSH to spike protein and untreated PBMCs increased total intracellular GSH, decreased IL-6, TGF-beta, and TNF-alpha levels, decreased oxidative stress, as demonstrated through MDA, and decreased fibrin clot formation, as detected by fluorescence microscopy. These findings demonstrate that L-GSH supplementation within a spike protein-treated PBMC cell culture model reduces these factors, suggesting that GSH supplementation should be explored as a means of reducing mediators of immunothrombosis in COVID-19.
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- 2024
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5. The Role of Oxidative Stress in TB Meningitis and Therapeutic Options
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John Dawi, Aishvaryaa Shree Mohan, Yura Misakyan, Scarlet Affa, Edgar Gonzalez, Karim Hajjar, David Nikoghosyan, Sabrina Fardeheb, Christopher Tuohino, and Vishwanath Venketaraman
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tuberculous meningitis ,non-tuberculous meningitis ,reactive oxygen species ,ferroptosis ,oxidative stress-induced TB meningitis ,Medicine - Abstract
Meningitis is an inflammatory condition affecting the meninges surrounding the brain and spinal cord. Meningitis can be triggered by various factors, including infectious agents like viruses and bacteria and non-infectious contributors such as cancer or head injuries. The impact of meningitis on the central nervous system involves disruptions in the blood–brain barrier, cellular infiltrations, and structural alterations. The clinical features that differentiate between tuberculous meningitis (TBM) and non-tuberculous meningitis (NTM) are discussed in this review and aid in accurate diagnosis. The intricate interplay of reactive oxygen species, ferroptosis, and reactive nitrogen species within the central nervous system reveals a promising field of research for innovative therapeutic strategies tailored to TBM. This review highlights the alternative treatments targeting oxidative stress-induced TBM and ferroptosis, providing potential avenues for intervention in the pathogenesis of this complex condition.
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- 2024
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6. Effect of Supplementation of Vitamin D in Patients with Periodontitis Evaluated before and after Nonsurgical Therapy.
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Mishra, Shree Mohan, Ravishankar, P. L., Pramod, V., Rajula, Prem Blaisie, Gayathri, K., Alam, Mohammad Khursheed, Raj, A. Thirumal, Bhandi, Shilpa, and Patil, Shankargouda
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THERAPEUTIC use of vitamin D , *PERIODONTITIS , *CASE-control method , *DIETARY supplements , *STATISTICAL sampling - Abstract
Background. Vitamin D has anti-inflammatory properties and the potential to increase the generation of antimicrobial peptides like cathelicidin and defensins that may have a good impact on oral health. Higher vitamin D consumption has also been linked to a reduced risk of periodontal disease progression. Hence, the primary objective of this study was to evaluate and compare the clinical and laboratory parameters of oral supplementation of vitamin D as an adjuvant to scaling and root planing and to assess the bone mineral density via qualitative ultrasound bone density scanner in chronic periodontitis patients. Methodology. This study included 40 patients with periodontitis categorized into 2 groups with twenty patients each, Group I comprising scaling and root planing (SRP) alone and Group II comprising SRP along with vitamin D supplementation. Plaque index, gingival index, probing pocket depth, and clinical attachment loss was measured as clinical parameters. Serum vitamin D levels were assessed before and after SRP at both baseline and 6 weeks. Results. The intergroup comparison of clinical parameters (PI, GI, PPD, and CAL) at 6 weeks for both the groups showed statistical significance. Intragroup comparison of clinical parameters from baseline to 6 weeks showed a statistically significant reduction in both groups. The mean bone mineral density level in both the control and test groups demonstrated a mean T score of –1.3 and –1.21, respectively. The mean vitamin D levels were 27.8460 and 28.1020 for the test and control groups, respectively, which was statistically insignificant (p = 0.705) and those at six-week intervals improved to 31.3650 and 28.0240 which were statistically significant (p ≤ 0.001). Conclusion. It could be stated that a positive relationship exists between periodontitis and osteopenia which could aggravate periodontal destruction. All periodontitis cases should thus be evaluated for BMD and supplemented with vitamin D3 in an appropriate dosage and time frame to treat both these diseases. [ABSTRACT FROM AUTHOR]
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- 2022
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7. Students' perception of teaching-learning methods in Community Medicine at a Government Medical College in Rajasthan.
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Sharma, Rupa, Yadav, Subhash Mohan, Joshi, Shree Mohan, and Kaushik, Pratap Bhan
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Background: Knowledge of Community Medicine plays a pivot role in effective delivery of health care services. Effective Teaching-Learning (T-L) of a class of 150-200 students is a challenge. Research is needed to identify methods suitable to the needs of the students. Students' perspective is an important diagnostic feedback tool in this context. Aims & Objectives: To know the students' preferences and perceptions regarding current T-L methods and their felt need for modification in the T-L approach. Material & Methods: Responses were collected from students pursuing internship regarding their preferences and perception on a pretested, validated semi structured questionnaire, most of the responses were collected on a Likert type five point scale. The data was analyzed by calculating percentage, mean and Standard Deviation (SD). Result: Majority (66.2%) felt a need for modification in T-L Approach and 74% of these opined that it will improve their performance in assessments. Presentation of content was voted as most important component for effective T-L (mean 3.9± 1.39). Desirable modifications was more time allotment to integrated modular T-L (51%) and field visits (26%). Conclusion: A judicious combination of Power point presentations with Modular T-L sessions and Field visits can be a more effective T-L approach in Community Medicine from the students' perspective. [ABSTRACT FROM AUTHOR]
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- 2017
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8. 1508Comparison of two waves of the COVID-19 pandemic in Rural Bikaner: A record based analysis.
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Joshi, Doctor Shree Mohan, Acharya, Doctor Rekha, and Meena, Doctor Rati Ram
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COVID-19 pandemic , *PANDEMICS , *COVID-19 , *WAVENUMBER , *RURAL geography , *SITUATIONAL awareness - Abstract
Background In comparison to the slow progression of first wave of the COVID-19 pandemic, by March 2021, the second wave appeared to be much more aggressive with many more cases. We aimed to evaluate reported COVID-19 epidemiology data to better understand the pandemic's progression in Rural Bikaner. Methods A record-based descriptive analysis study between first and second covid-19 waves, on the variables of interest including positivity rates, case fatality rate, demographic profile of positive patients. Results the daily reported cases at the peak of the first wave in rural area in 2020 was 20-25 cases per day and in second wave number of cases was increased double to first wave. Death rate and severity was also increased in second wave. In second wave the mean age of positive patients was decreased. Conclusions In our analysis rural area had a more severe second wave of the COVID-19 pandemic than the first and highlights the importance of examining multiple epidemiological variables down to the regional and country levels over time. These country-specific and regional results informed the implementation of continent-wide initiatives and supported equitable distribution of supplies and technical assistance. Monitoring and analysis of these data over time are essential for continued situational awareness, especially as Member States attempt to balance controlling COVID-19 transmission with ensuring stable economies and livelihoods. Key messages Demographic profile of rural area plays a key role in spread of Covid-19 cases. [ABSTRACT FROM AUTHOR]
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- 2021
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