ArticleMolecular and cellular biology2013
Cyp1b1 mediates periostin regulation of trabecular meshwork development by suppression of oxidative stress.
Article in Molecular and cellular biology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 54 papers.
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Who cites it
54 citing papers in PubMed, 87 citations in OpenAlex.
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- CYP1B1 Augments the Mesenchymal, Claudin-Low, and Chemoresistant Phenotypes of Triple-Negative Breast Cancer Cells.International journal of molecular sciences · 2022Article
- Animal Model Contributions to Primary Congenital Glaucoma.Journal of ophthalmology · 2022Review
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Corrections and comments
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
Abstract
Mutation in CYP1B1 has been reported for patients with congenital glaucoma. However, the underlying mechanisms remain unknown. Here we show increased diurnal intraocular pressure (IOP) in Cyp1b1-deficient (Cyp1b1(-/-)) mice. Cyp1b1(-/-) mice presented ultrastructural irregular collagen distribution in their trabecular meshwork (TM) tissue along with increased oxidative stress and decreased levels of periostin (Postn). Increased levels of oxidative stress and decreased levels of Postn were also detected in human glaucomatous TM tissues. Furthermore, Postn-deficient mice exhibited TM tissue ultrastructural abnormalities similar to those of Cyp1b1(-/-) mice. Administration of the antioxidant N-acetylcysteine (NAC) restored structural abnormality of TM tissue in Cyp1b1(-/-) mice. In addition, TM cells prepared from Cyp1b1(-/-) mice exhibited increased oxidative stress, altered adhesion, and decreased levels of Postn. These aberrant cellular responses were reversed in the presence of NAC or by restoration of Cyp1b1 expression. Cyp1b1 knockdown or inhibition of CYP1B1 activity in Cyp1b1(+/+) TM cells resulted in a Cyp1b1(-/-) phenotype. Thus, metabolic activity of CYP1B1 contributes to oxidative homeostasis and ultrastructural organization and function of TM tissue through modulation of Postn expression.
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