Department Of Pharmacology

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    Insights into receptor tyrosine kinases signaling in neurodegenerative disorders: opportunities and translational perspectives
    (Elsevier, 2023-07-06T00:00:00) Randhawa, Puneet Kaur; Jaggi, Amteshwar Singh; Bali, Anjana
    Receptor tyrosine kinases (RTKs) are a group of membrane-bound receptors comprising of extracellular ligand-binding domain, a transmembrane domain, and an intracellular catalytic domain. RTKs play a crucial role in various cellular processes including cellular growth, motility, cell differentiation, and cell metabolism. The dysregulation of RTK activity is a contributing factor in the progression of many neurodegenerative disorders. Studies revealed the alterations rearranged during transfection, epidermal growth factor receptor 1, vascular endothelial growth factor-B TAM receptors, and tropomyosin receptor kinase in neurodegenerative disorders. Further, PI3K/Akt/GSK-3? and Wnt/catenin signaling pathways are found to be major pathways for neuronal survival and neurite outgrowth induced by RTKs. This chapter summarizes the most important aspects of RTK subfamilies and their intraneuronal signaling mechanisms in different neurodegenerative disorders. The understanding of the fundamental mechanisms of RTKs in neurodegenerative disorders has important implications for the selection of a suitable neuroprotective agent. � 2023 Elsevier Inc. All rights reserved.
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    Protective role of natural products and bioactive compounds in multiple sclerosis
    (Elsevier, 2023-06-16T00:00:00) Bhatti, Gurjit Kaur; Singh, Harsh Vikram; Sharma, Eva; Sehrawat, Abhishek; Mishra, Jayapriya; Navik, Umashanker; Hemachandra Reddy, P.; Bhatti, Jasvinder Singh
    Multiple sclerosis (MS), a chronic multifactorial disease characterized by progressive demyelination and neurodegeneration, is rising rapidly in young adults. The pathology of the disease is not yet understood completely. However, neuroinflammation, oxidative stress, and hyperactive autoimmune response appear to play a prominent role in the pathogenesis of the disease. Several genetic, nongenetic, and environmental factors are also found associated with this autoimmune disorder. Although, it is still a matter of debate whether diet and lifestyle have an influence during the course of MS. Recent studies have highlighted several beneficial characteristics of natural bioactive compounds such as anti-inflammatory, antioxidative, immunomodulatory, and other neuroprotective effects, indicating their therapeutic potential to reduce the risk or ameliorate the progression of MS. Basically, these bioactive compounds are the chemicals found in minute amounts naturally in plants with peculiar health benefits. In this chapter, we have briefly described various natural bioactive compounds with neuroprotective effects against MS, including the polyphenols, vitamins supplementation, and natural products such as ginger, ashwagandha, and it seems that these compounds play a notable role in the treatment of MS. Further research is required to extend our understanding in developing more effective therapeutic strategies against the disease with lesser side effects. � 2023 Elsevier Inc. All rights reserved.