mmu-mir-141: Mmu-mir-141 is a microRNA that has been found to regulate protein expression of PTEN in stromal cells [PMC3692437]. This suggests that mmu-mir-141 plays a role in the regulation of PTEN, a tumor suppressor gene [PMC3692437]. Furthermore, it has been observed that mmu-mir-141 is down-regulated following UVB irradiation [PMC3597329]. This indicates that UVB irradiation may have an impact on the expression of mmu-mir-141 [PMC3597329]. The down-regulation of mmu-mir-141 following UVB irradiation may have implications for the regulation of PTEN protein expression in stromal cells [PMC3597329]. The findings suggest that there is a relationship between mmu-mir-141, PTEN, and UVB irradiation [PMC3692437][PMC3597329]. Understanding the role of mmu-mir-141 in regulating PTEN and its response to UVB irradiation could provide insights into the molecular mechanisms underlying these processes [PMC3692437][PMC3597329]. Further research is needed to fully elucidate the functional significance and potential therapeutic implications of these findings [PMC3692437][PMC3597329].