Department Of Biochemistry And Microbial Sciences

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Author: search.filters.author.Gupta, SanjaySubject: search.filters.subject.Phytochemicals

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    Obesity and Cancer
    (Springer Singapore, 2021-07-18T00:00:00) Kumar, Shashank; Gupta, Sanjay
    This book highlights the concordance between signaling pathways that are involved in obesity and cancer cross-talks. It describes the role of cytokines, chemokines, growth factors, insulin, and adipokines in the development of obesity-associated cancers. The book reviews the role of inflammatory signaling pathways such as estrogen-mediated signaling, mTOR and AMP-activated protein kinase pathway and the involvement of adaptive and innate immunity, oxidative stress, gene polymorphism, dietary phytochemicals, and miRNAs in obesity and cancer. In addition, it covers the latest research on the drugs and natural therapeutic agents that target obesity-induced cancers and discusses various in vivo models for studying obesity and obesity-associated cancer. Lastly, it analyses the role of genetic polymorphisms in the obesity-related genes that influence cancer development. The book is a useful resource for researchers in the field of cancer, pharmacology, food chemistry, and clinical biochemistry. � The Editor(s) (if applicable) and The Author(s), under exclusive license to Taylor and Francis Pte Ltd. 2021.
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    Phytochemicals present in Indian ginseng possess potential to inhibit SARS-CoV-2 virulence: A molecular docking and MD simulation study
    (Academic Press, 2021-05-24T00:00:00) Kushwaha, Prem Prakash; Singh, Atul Kumar; Prajapati, Kumari Sunita; Shuaib, Mohd; Gupta, Sanjay; Kumar, Shashank
    Coronaviruses are deadly and contagious pathogens that affects people in different ways. Researchers have increased their efforts in the development of antiviral agents against coronavirus targeting Mpro protein (main protease) as an effective drug target. The present study explores the inhibitory potential of characteristic and non-characteristic Withania somnifera (Indian ginseng) phytochemicals (n ? 100) against SARS-Cov-2 Mpro protein. Molecular docking studies revealed that certain W. somnifera compounds exhibit superior binding potential (?6.16 to ?12.27 kcal/mol) compared to the standard inhibitors (?2.55 to ?6.16 kcal/mol) including nelfinavir and lopinavir. The non-characteristic compounds (quercetin-3-rutinoside-7-glucoside, rutin and isochlorogenic acid B) exhibited higher inhibitory potential in comparison to characteristic W. somnifera compounds withanolide and withanone. Molecular dynamics (MD) simulation studies of the complex for 100 ns confirm favorable and stable binding of the lead molecule. The MMPBSA calculation of the last 10 ns of the protein-ligand complex trajectory exhibited stable binding of quercetin-3-rutinoside-7-glucoside at the active site of SARS-Cov-2 Mpro. Taken together, the study demonstrates that the non-characteristic compounds present in W. somnifera possess enhanced potential to bind SARS-Cov-2 Mpro active site. We further recommend in vitro and in vivo experimentation to validate the anti-SARS-CoV-2 potential of these lead molecules. � 2021 Elsevier Ltd