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81.
Veena Kumari Vuttaradhi Inemai Ezhil Divya Ramani Rahul Kanumuri Swetha Raghavan Vaishnavi Balasubramanian Roshni Saravanan Archana Kanakarajan Leena Dennis Joseph Ravi Shankar Pitani Sandhya Sundaram Anita Sjolander Ganesh Venkatraman Suresh Kumar Rayala 《The Journal of biological chemistry》2022,298(1)
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C Vaishnavi N Agnihotri B Kumar S Kaur N K Ganguly 《Journal of hygiene, epidemiology, microbiology, and immunology》1992,36(2):169-173
Serum samples were collected from eighty-three leprosy patients and twenty-five healthy controls supposedly not exposed to Mycobacterium leprae infection. Phenolic glycolipid-1 coated latex agglutination test (PGL-LAT) was carried out with the serum samples to detect antibodies specific to M. leprae. Samples showing positive agglutination were 50% in the lepromatous leprosy (LL) group showing no erythema nodosum leprosum (ENL) complications, 66.6% in LL group with ENL complication, 60% in borderline lepromatous (BL) group, 50% in borderline (BB) and 33.3% in borderline tuberculoid (BT). The patients belonging to the tuberculoid (TT) group and most of the long-term treated patients were interestingly negative, and so were sera from all the healthy controls. PGL-LAT developed by us therefore is specific and a fairly sensitive technique to detect antibodies specific to M. leprae and will be very useful in field conditions. 相似文献
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Pretty Mary Abraham Korah P Kuruvilla Jobin Mathew Anitha Malat Shilpa Joy CS Paulose 《Journal of biomedical science》2010,17(1):78
Diabetes and stress stimulate hippocampal 5-HT synthesis, metabolism and release. The present study was carried out to find
the effects of insulin, Aegle marmelose alone and in combination with pyridoxine on the hippocampal 5-HT, 5-HT2A receptor subtype, gene expression studies on 5-HT2A, 5-HTT, INSR, immunohistochemical studies and elevated plus maze in streptozotocin induced diabetic rats. 5-HT content showed
a significant decrease (p < 0.001) and a significant increase (p < 0.001) in 5-HIAA in hippocampus of diabetic rats compared to control. 5-HT receptor binding parameters Bmax and Kd showed a significant decrease (p < 0.001) whereas 5-HT2A receptor binding parameters Bmax showed a significant decrease (p < 0.001) with a significant increase (p < 0.05) in Kd in hippocampus of diabetic rats compared to control. Gene expression studies of 5-HT2A, 5-HTT and INSR in hippocampus showed a significant down regulation (p < 0.001) in diabetic rats compared to control. Pyridoxine treated in combination with insulin and A. marmelose to diabetic rats reversed the 5-HT content, Bmax , Kd of 5-HT, 5-HT2A and gene expression of 5-HT2A, 5-HTT and INSR in hippocampus to near control. The gene expression of 5-HT2A and 5-HTT were confirmed by immunohistochemical studies. Behavioural studies using elevated plus maze showed that serotonin
through its transporter significantly increased (p < 0.001) anxiety-related traits in diabetic rats which were corrected by
combination therapy. Our results suggest that pyridoxine treated in combination with insulin and A. marmelose has a role in the regulation of insulin synthesis and release, normalising diabetic related stress and anxiety through hippocampal
serotonergic function. This has clinical significance in the management of diabetes. 相似文献
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Umesh CS Yadav Leopoldo Aguilera-Aguirre Istvan Boldogh Kota V Ramana Satish K Srivastava 《Respiratory research》2011,12(1):145
Background
Childhood hospitalization related to asthma remains at historically high levels, and its incidence is on the rise world-wide. Previously, we have demonstrated that aldose reductase (AR), a regulatory enzyme of polyol pathway, is a major mediator of allergen-induced asthma pathogenesis in mouse models. Here, using AR null (AR-/-) mice we have investigated the effect of AR deficiency on the pathogenesis of ragweed pollen extract (RWE)-induced allergic asthma in mice and also examined the efficacy of enteral administration of highly specific AR inhibitor, fidarestat.Methods
The wild type (WT) and AR-/- mice were sensitized and challenged with RWE to induce allergic asthma. AR inhibitor, fidarestat was administered orally. Airway hyper-responsiveness was measured in unrestrained animals using whole body plethysmography. Mucin levels and Th2 cytokine in broncho-alveolar lavage (BAL) were determined using mouse anti-Muc5A/C ELISA kit and multiplex cytokine array, respectively. Eosinophils infiltration and goblet cells were assessed by H&E and periodic acid Schiff (PAS)-staining of formalin-fixed, paraffin-embedded lung sections. T regulatory cells were assessed in spleen derived CD4+CD25+ T cells population.Results
Deficiency of AR in mice led to significantly decreased PENH, a marker of airway hyper-responsiveness, metaplasia of airway epithelial cells and mucus hyper-secretion following RWE-challenge. This was accompanied by a dramatic decrease in infiltration of eosinophils into sub-epithelium of lung as well as in BAL and release of Th2 cytokines in response to RWE-challenge of AR-/- mice. Further, enteral administration of fidarestat significantly prevented eosinophils infiltration, airway hyper-responsiveness and also markedly increased population of T regulatory (CD4+CD25+FoxP3+) cells as compared to RWE-sensitized and challenged mice not treated with fidarestat.Conclusion
Our results using AR-/- mice strongly suggest the role of AR in allergic asthma pathogenesis and effectiveness of oral administration of AR inhibitor in RWE-induced asthma in mice supports the use of AR inhibitors in the treatment of allergic asthma. 相似文献90.