MicroRNA 196b
MicroRNA 196b (miR-196b) is a small non-coding RNA molecule that regulates gene expression. It is part of the larger family of microRNAs, which play a crucial role in many biological processes, including cell differentiation, proliferation, and apoptosis.
Function[edit | edit source]
miR-196b functions by binding to the 3' untranslated regions (3' UTRs) of target mRNAs, leading to their degradation or translational repression. This post-transcriptional regulation of gene expression is a key mechanism in many biological processes and diseases, including cancer.
Role in Disease[edit | edit source]
miR-196b has been implicated in various types of cancer, including leukemia, colorectal cancer, and gastric cancer. It acts as an oncogene in these cancers by targeting tumor suppressor genes and promoting cell proliferation and survival. In contrast, miR-196b can also function as a tumor suppressor in other types of cancer, such as breast cancer, by targeting oncogenes.
Clinical Significance[edit | edit source]
Due to its role in disease, miR-196b has potential as a diagnostic and prognostic biomarker. Its expression levels can be measured in patient samples, such as blood or tissue biopsies, to aid in disease diagnosis and prognosis. Furthermore, targeting miR-196b with RNA interference (RNAi) or other therapeutic strategies could provide a novel approach for treating diseases in which miR-196b is dysregulated.
See Also[edit | edit source]
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Contributors: Prab R. Tumpati, MD