Protein Information

Name smooth muscle actin
Synonyms ACTC; ACTC 1; ACTC1; Alpha cardiac actin; CMD1R; Smooth muscle actin; Alpha cardiac actins; Smooth muscle actins

Compound Information

Name rotenone
CAS

Reference List

PubMed Abstract RScore(About this table)
15677311 Rhyu DY, Yang Y, Ha H, Lee GT, Song JS, Uh ST, Lee HB: Role of reactive oxygen species in TGF-beta1-induced mitogen-activated protein kinase activation and epithelial-mesenchymal transition in renal tubular epithelial cells. J Am Soc Nephrol. 2005 Mar;16(3):667-75. Epub 2005 Jan 26.

Growth-arrested and synchronized NRK-52E cells were stimulated with TGF-beta1 (0.2 to 20 ng/ml) or H (2) O (2) (1 to 500 microM) in the presence or absence of antioxidants (N-acetylcysteine or catalase), inhibitors of NADPH oxidase (diphenyleneiodonium and apocynin), mitochondrial electron transfer chain subunit I (rotenone), and MAPK (PD 98059, an MEK [MAP kinase/ERK kinase] inhibitor, or p38 MAPK inhibitor) for up to 96 h.
TGF-beta1 increased dichlorofluorescein-sensitive cellular ROS, phosphorylated Smad 2, p38 MAPK, extracellular signal-regulated kinases (ERK) 1/2, alpha-smooth muscle actin (alpha-SMA) expression, and fibronectin secretion and decreased E-cadherin expression.
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17596522 Zhang A, Jia Z, Guo X, Yang T: Aldosterone induces epithelial-mesenchymal transition via ROS of mitochondrial origin. Am J Physiol Renal Physiol. 2007 Sep;293(3):F723-31. Epub 2007 Jun 27.

Exposure of human renal proximal tubular cells to Aldo for 48 h dose dependently induced EMT as evidenced by conversion to the spindle-like morphology, loss of E-cadherin, and de novo expression of alpha-smooth muscle actin (SMA); the effect was noticeable at 50 nM and maximal at 100 nM.
Aldo-induced oxidative stress and EMT were both abolished by the mitochondrial respiratory chain complex I inhibitor rotenone, but not the NADPH oxidase inhibitor apocynin.
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