Diabetes mellitus is an oxidative stress-related disease characterized by hyperglycemia and a variety of complications, including nephropathy. Vitamin D has variable functions extending beyond the calcium metabolism to prevent oxidative tissue damage. We aimed to investigate whether vitamin D supplements could enhance Glibenclamide's effectiveness in treating diabetes and minimize the risk of associated pathology. Wistar rats were divided into normal control (n = 10) and diabetic (n = 30), where animals received two low doses of Streptozotocin 30 mg/kg/BW intraperitoneally to develop diabetes. The diabetic rats were then randomly divided into three equal groups: untreated, treated with Glibenclamide (0.6 mg/kg), and treated with Glibenclamide and Vitamin D3 (500 IU/kg). After eight weeks, the animals were sacrificed, and blood samples and kidney tissues were collected to evaluate biochemical, anti-oxidant, and pro-inflammatory cytokine levels and histological and immunohistochemical changes. Diabetic animals had significantly increased fasting blood glucose, lipid profile, blood urea, serum creatinine, and Malondialdehyde levels, whereas serum insulin, albumin, and the anti-oxidant enzymes superoxide dismutase and catalase were significantly decreased compared to normal control (p < 0.01). Furthermore, some renal histological changes were observed together with significantly increased immunoreactivity of anti-p53, anti-TNF-α, and anti-IL-6 antibodies when compared to the normal control. All abnormal parameters improved significantly with Glibenclamide therapy (p < 0.01), but combination therapy with vitamin D produced a much better result. In conclusion, vitamin D supplementation along with anti-diabetic medication can help prevent or reduce the severity of diabetic nephropathy due to its potent antioxidant, anti-inflammatory, and anti-apoptotic properties.
Background: The causative agent of the present COVID-19 pandemic is a novel RNA virus called SARS CoV-2. Clinical laboratory has a central role in the diagnosis, prognosis, and predicting the progression of the disease. Several hematological, biochemical, immunological, and coagulation parameters change during the course of the disease. Based on the information from several studies, it is presumed that virus replication alters the immune system of the body. These alterations cause cellular damage in various organs like the lungs, liver, heart, and bone marrow. Ultimately, it may lead to multi-organ failure and death. Methods: An internet search in Medline, PubMed, Scopus, and Scholarly articles was performed. Studies reporting on changes in laboratory parameters in COVID-19 were selected, data extracted, and analyzed. Conclusion: Laboratory markers are helpful in the diagnosis of cases and more importantly, to identify those patients where chances of disease progression to severity are present. This will not only reduce the burden on the health care system but also reduce the mortality rate by channelizing resources to those cases who need critical care and management.
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