MicroRNA-140 (miR-140) is a small, non-coding RNA molecule that plays a critical role in human health and disease. It is primarily known for its essential functions in skeletal development and its dual role in cancer progression. 🦴 Role in Skeletal Development and Osteoarthritis
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It is necessary for normal endochondral ossification, the process by which the growing skeleton is formed. Mice lacking this gene often exhibit dwarfism and craniofacial abnormalities due to impaired chondrocyte proliferation. MicroRNA-140 (miR-140) is a small, non-coding RNA molecule
A clinical review published on PubMed demonstrates that miR-140 heavily dictates how sensitive cancer cells are to chemotherapy drugs like doxorubicin, cisplatin, and temozolomide. Up-regulating its expression can actively enhance the efficacy of these treatments. It is necessary for normal endochondral ossification, the
Because its levels fluctuate heavily depending on the presence of tumors, tracking miR-140 expression quantities in tissue is actively researched as a way to predict clinical outcomes and survival rates in patients with neoplasia.
A breakthrough study published in Nature discovered that a "gain-of-function" mutation in the miR-140 gene leads to a severe, novel autosomal dominant human skeletal dysplasia. 🔬 Function in Cancer and Therapeutics