MicroRNA 203a
MicroRNA 203a (miR-203a) is a small non-coding RNA molecule that plays a significant role in the regulation of gene expression. It is part of the larger family of microRNAs, which are involved in a wide range of biological processes, including cell differentiation, proliferation, and apoptosis.
Function[edit | edit source]
miR-203a functions by binding to the 3' untranslated regions (3' UTRs) of target mRNAs, leading to their degradation or translational repression. This mechanism allows miR-203a to regulate the expression of various genes, influencing cellular processes such as cell cycle progression, apoptosis, and cell differentiation.
Role in Disease[edit | edit source]
miR-203a has been implicated in several diseases, particularly in cancer. Abnormal expression of miR-203a has been observed in various types of cancer, including breast cancer, prostate cancer, and colorectal cancer. In these contexts, miR-203a can act as either a tumor suppressor or an oncogene, depending on the specific genes it targets.
Therapeutic Potential[edit | edit source]
Due to its role in disease, miR-203a is being investigated for its potential as a therapeutic target. Strategies include the use of miR-203a mimics to restore its expression in cancer cells, or the use of inhibitors to block its function in cases where it acts as an oncogene.
See Also[edit | edit source]
Navigation: Wellness - Encyclopedia - Health topics - Disease Index - Drugs - World Directory - Gray's Anatomy - Keto diet - Recipes
Search WikiMD
Ad.Tired of being Overweight? Try W8MD's physician weight loss program.
Semaglutide (Ozempic / Wegovy and Tirzepatide (Mounjaro / Zepbound) available.
Advertise on WikiMD
WikiMD is not a substitute for professional medical advice. See full disclaimer.
Credits:Most images are courtesy of Wikimedia commons, and templates Wikipedia, licensed under CC BY SA or similar.Contributors: Prab R. Tumpati, MD