Background: Activation of hepatic stellate cells (HSC) plays central role in the development of liver fibrosis. In HSC activation, the transforming growth factor-β1 (TGF-β1) is considered to be the main stimuli factor. Diosgenin are the steroidal saponin and found in Trigonella foenum graecum Linn (Fenugreek) and some other species of Dioscorea. Diosgenin attenuates HSC activation by inhibiting transforming growth factor-β. Aim: In present study an attempt was made to explore the effect of diosgenin on liver fibrosis. Methods: Liver fibrosis was induced in rats by carbon tetrachloride (CCl 4 ) 1 ml/kg intraperitoneally twice a week for 28 days and cisplatin 3mg/kg intraperitoneally at 0, 1, 3 week for 4 weeks. The extent of liver fibrosis was assessed by measuring the weight of liver and levels of total bilirubin (TBL), hydroxyproline (HP) and serum enzymes due to deposition of extracellular matrix (ECM). Results: The administration of diosgenin reduced the liver weight of CCl 4 and cisplatin treated animals and reduced the TBL, HP level and serum enzymes significantly and inhibited liver fibrosis induced by CCl 4 and cisplatin. Conclusion: The result obtained in the present investigation, Diosgenin treatment exerted significant hepatoprotective effect in animals by inhibiting ECM deposition and HSCs activation.
Background:The immune system is intrinsic to health. Modulation of the immune responses to alleviate the diseases by using herbal plants has been of interest for many years. Diosgenin, a naturally occurring steroid saponin mainly present in the seeds of fenugreek (Trigonella foenum graecum) and in the root tubers of wild yams (Dioscorea villosa). Activation of specific and nonspecific immunity results in stimulation of immune response. Diosgenin has the positive effects on both specific and nonspecific immunity. Aim: To study the immunomodulatory activity of Diosgenin in rats. Method: The suspension of Diosgenin was given orally at the dosage level of 50, 100 and 150 mg/kg for 21 days in a rat. The immunomodulatory activity on specific and non-specific immunity was studied by haemagglutination antibody (HA) titer, delayed type hypersensitivity (DTH) response and carbon clearance test. Immunosuppression in a rat was induced by using Cyclophosphamide (100 mg/kg, p.o.). Sheep red blood cells (SRBCs) were used as antigen (0.1ml 20% SRBCs) in haemagglutinating antibody titer and delayed type hypersensitivity response methods. Result: Diosgenin exhibited significant increase in the production of antibody titer in response to SRBC antigen. A significant increase in both primary and secondary HA titer was observed in immunosuppressed group treated with Diosgenin when compared with negative control. A significant increase in the DTH response was observed in immunosuppressed animals treated with Diosgenin, pre-sensitized with SRBCs antigen. Diosgenin exhibited significant increase in phagocytic index against control group, indicating the stimulation of the reticuloendothelial system. Conclusion: The study indicates that Diosgenin triggers stimulatory effect on specific and nonspecific immune response. The immunostimulant effect of Diosgenin could be attributed due to its saponin glycoside.
Sertraline can also protect against environmental causes of free radicals such as smoking. Cigarette tar is a source of free radicals which has been found to damage erythrocyte membranes. It was also found that Sertraline and its conjugate metabolites could protect erythrocytes from the membranous damage that is caused by smoking. The ability of Sertraline is claimed to exert many beneficial effects on health, including protection against various diseases such as osteoporosis, lung cancer, and cardiovascular disease. The studies showed that there has been a reduction in the risk of cardiovascular disease in subjects, who had a high intake of flavonoids. Progressive disorder of the lung parenchyma and airways or also known as chronic obstructive pulmonary disease (COPD) which happens to be the third-leading cause of death in the USA. Therapies thus far for COPD, unfortunately, is said to be partially effective with possibilities of side effects.
Nonsteroidal anti-inflammatory drugs, or NSAIDs, are among the most often prescribed pain relievers. NSAIDs are a highly successful medicine class for pain and inflammation, but they are also known to cause gastrointestinal bleeding, cardiovascular side effects, and NSAID-induced nephrotoxicity. The pharmacodynamic action of these medicines is predominantly mediated by COX2 inhibition, whereas COX1 inhibition is largely responsible for the unfavourable effects. The activity of (COX-1) and COX2, and thus the synthesis of prostalglandin and thromboxanes, is inhibited by most NSAIDs. Inhibiting COX-2 is thought to have anti-inflammatory, analgesic, and antipyretic effects, and that NSAIDs that also inhibit COX-1, such as aspirin, may cause gastrointestinal bleeding and ulcers. This review aims to provide a comprehensive overview pharmacodynamic and pharmacokinetics of NSAIDs as well as the medication class and method of action.
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