ArticleAmerican journal of physiology. Renal physiology2014
MicroRNA-194 (miR-194) regulates ROMK channel activity by targeting intersectin 1.
Article in American journal of physiology. Renal physiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 23 citations in OpenAlex.
- Article
- Epigenetic Regulation of the Renin-Angiotensin-Aldosterone System in Hypertension.International journal of molecular sciences · 2024Review
- Potential of Modulating Aldosterone Signaling and Mineralocorticoid Receptor with microRNAs to Attenuate Diabetic Kidney Disease.International journal of molecular sciences · 2024Review
- miR-324-5p and miR-30c-2-3p Alter Renal Mineralocorticoid Receptor Signaling under Hypertonicity.Cells · 2022Article
- Non-coding RNAs and the mineralocorticoid receptor in the kidney.Molecular and cellular endocrinology · 2021Review
- Kir Channel Molecular Physiology, Pharmacology, and Therapeutic Implications.Handbook of experimental pharmacology · 2021Review
- Aldosterone-induced microRNAs act as feedback regulators of mineralocorticoid receptor signaling in kidney epithelia.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2020Article
- MicroRNAs Regulating Cytoskeleton Dynamics, Endocytosis, and Cell Motility-A Link Between Neurodegeneration and Cancer?Frontiers in neurology · 2020Review
- A MicroRNA Cluster miR-23-24-27 Is Upregulated by Aldosterone in the Distal Kidney Nephron Where it Alters Sodium Transport.Journal of cellular physiology · 2017Article
- The miR-199-dynamin regulatory axis controls receptor-mediated endocytosis.Journal of cell science · 2015Article
- MicroRNAs and the regulation of aldosterone signaling in the kidney.American journal of physiology. Cell physiology · 2015Review
- MicroRNAs in kidney physiology and disease.Nature reviews. Nephrology · 2015Review
- The Role of MicroRNAs in the Regulation of K(+) Channels in Epithelial Tissue.Frontiers in physiology · 2015Review
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
The aim of the study is to explore the role of miR-194 in mediating the effect of high-K (HK) intake on ROMK channel. Northern blot analysis showed that miR-194 was expressed in kidney and that HK intake increased while low-K intake decreased the expression of miR-194. Real-time PCR analysis further demonstrated that HK intake increased the miR-194 expression in the cortical collecting duct. HK intake decreased the expression of intersectin 1 (ITSN1) which enhanced With-No-Lysine Kinase (WNK)-induced endocytosis of ROMK. Expression of miR-194 mimic decreased luciferase reporter gene activity in HEK293 T cells transfected with ITSN-1-3'UTR containing the complementary seed sequence for miR-194. In contrast, transfection of miR-194 inhibitor increased the luciferase activity. This effect was absent in the cells transfected with mutated 3'UTR of ITSN1 in which the complimentary seed sequence was deleted. Moreover, the inhibition of miR-194 expression increased the protein level of endogenous ITSN1 in HEK293T cells. Expression of miR-194 mimic also decreased the translation of exogenous ITSN1 in the cells transfected with the ITSN1 containing 3'UTR but not with 3'UTR-free ITSN1. Expression of pre-miR-194 increased K currents and ROMK expression in the plasma membrane in ROMK-transfected cells. Coexpression of ITSN1 reversed the stimulatory effect of miR-194 on ROMK channels. This effect was reversed by coexpression of ITSN1. We conclude that miR-194 regulates ROMK channel activity by modulating ITSN1 expression thereby enhancing ITSN1/WNK-dependent endocytosis. It is possible that miR-194 is involved in mediating the effect of a HK intake on ROMK channel activity.
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