Topic
Withania somnifera
About: Withania somnifera is a research topic. Over the lifetime, 2116 publications have been published within this topic receiving 43404 citations. The topic is also known as: Ashwaganda & Indian ginseng.
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TL;DR: The tertiary structure of LPKC was modelled and refined using computational methods such as homology modelling and molecular dynamics simulations to reveal mode of inhibition of two previous experimentally reported natural compounds from Withania somnifera.
Abstract: Leishmaniasis is caused by several species of leishmania protozoan and is one of the major vector-born diseases after malaria and sleeping sickness. Toxicity of available drugs and drug resistance development by protozoa in recent years has made Leishmaniasis cure difficult and challenging. This urges the need to discover new antileishmanial-drug targets and antileishmanial-drug development. Tertiary structure of leishmanial protein kinase C was predicted and found stable with a RMSD of 5.8A during MD simulations. Natural compound withaferin A inhibited the predicted protein at its active site with -28.47 kcal/mol binding free energy. Withanone was also found to inhibit LPKC with good binding affinity of -22.57 kcal/mol. Both withaferin A and withanone were found stable within the binding pocket of predicted protein when MD simulations of ligand-bound protein complexes were carried out to examine the consistency of interactions between the two. Leishmanial protein kinase C (LPKC) has been identified as a potential target to develop drugs against Leishmaniasis. We modelled and refined the tertiary structure of LPKC using computational methods such as homology modelling and molecular dynamics simulations. This structure of LPKC was used to reveal mode of inhibition of two previous experimentally reported natural compounds from Withania somnifera - withaferin A and withanone.
43 citations
TL;DR: In this paper, the inheritance characteristics of various substituents on the withanolide skeleton were analyzed based on the occurrence in per cent of each substituent in relation to the total withanolides content in the hybrid plants and their respective parents.
43 citations
TL;DR: Results strongly suggested that administration of W. somnifera through supplementation diet positively enhances the innate immune system and enhanced survival rate in M. rosenbergii against A. hydrophila infection.
43 citations
TL;DR: The present review highlights some of the current developments and future prospects of biotechnological intervention in this important medicinal plant.
Abstract: Withania somnifera is one of the most valued plants and is extensively used in Indian, Unani, and African systems of traditional medicine. It possess a wide array of therapeutic properties including anti-arthritic, anti-aging, anti-cancer, anti-inflammatory, immunoregulatory, chemoprotective, cardioprotective, and recovery from neurodegenerative disorders. With the growing realization of benefits and associated challenges in the improvement of W. somnifera, studies on exploration of genetic and chemotypic variations, identification and characterization of important genes, and understanding the secondary metabolites production and their modulation has gained significant momentum. In recent years, several in vitro and in vivo preclinical studies have facilitated the validation of therapeutic potential of the phytochemicals derived from W. somnifera and have provided necessary impetus for gaining deeper insight into the mechanistic aspects involved in the mode of action of these important pharmaceutically active constituents. The present review highlights some of the current developments and future prospects of biotechnological intervention in this important medicinal plant.
42 citations
TL;DR: Inflammation was induced in the hind legs of rats by formalin injection and the in vitro jejunal absorption of 14C‐glucose was studied to study the effects of the substance on the immune system.
Abstract: Inflammation was induced in the hind legs of rats by formalin injection and the in vitro jejunal absorption of 14C-glucose was studied. Treatment of rats with formalin caused a reduction in the in vitro absorption of glucose from the jejunum. Oral administration of oxyphenbutazone or a herbal anti-inflammatory drug (Withania somnifera) prior to formalin injection, resulted in no alteration in the jejunal absorption of glucose.
42 citations