Microtubule-based chemotherapeutics, primarily Taxane-derived agents are still used as the major live-saving agents, yet have several side effects including serious loss of immune cells, bone density etc. which lowers the quality of life. This imposes the need to understand the effects of these agents on Mesenchymal Stem Cells (MSCs) in details. In this work we demonstrate that Taxol and Nocodazole affects the endogenous expression of TRPV1, a non-selective cation channel in MSCs. These agents also affect the status of polymerized Actin as well as Tyrosinated-tubulin, basal cytosolic Ca2+ and mitochondrial membrane potential (ΔΨm). Notably, pharmacological modulation of TRPV1 by Capsaicin or Capsazepine can also alter the above-mentioned parameters in a context-dependent manner. We suggest that endogenous expression of TRPV1 and pharmacological modulation of TRPV1 can be utilized to rescue some of these parameters effectively. These findings may have significance in the treatments and strategies with Microtubule-based chemotherapeutics and stem-cell based therapy.
Keywords: Chemotherapy; Microtubule; Mitochondrial membrane potential; Paclitaxel (Taxol); TRPV1.
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