Cystathionine gamma-lyase (CSE) is a key enzyme in the trans-sulphuration pathway for the biosynthesis of cysteine from methionine and catalyses the hydrolysis of cystathionine into cysteine. It has been reported to be expressed in mammalian liver and kidney but so far no comprehensive developmental expression analysis of CSE has been available. We cloned a 600 bp fragment of chick CSE cDNA and analysed its expression pattern during avian embryonic development until embryonic day 13. We found CSE expression in various developing organs including the notochord, eye, neural tube, limb bud mesenchyme and sclerotomal compartment of the somites. Notably, prominent expression was found in renal epithelia throughout kidney development, i.e. in the tubular structures of pronephros, mesonephros and metanephros. Our data introduce CSE as a novel marker gene to study avian kidney development.
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http://dx.doi.org/10.1111/j.1469-7580.2009.01092.x | DOI Listing |
Redox Biol
January 2025
Department of Pediatrics, Peking University First Hospital, Beijing, 100034, PR China. Electronic address:
Background: The binding of endothelin-1 (ET-1) to endothelin type A receptor (ETAR) performs a critical action in pulmonary arterial smooth muscle cell (PASMC) proliferation leading to pulmonary vascular structural remodeling. More evidence showed that cystathionine γ-lyase (CSE)-catalyzed endogenous hydrogen sulfide (HS) was involved in the pathogenesis of cardiovascular diseases. In this study, we aimed to explore the effect of endogenous HS/CSE pathway on the ET-1/ETAR binding and its underlying mechanisms in the cellular and animal models of PASMC proliferation.
View Article and Find Full Text PDFSex Med
December 2024
Department of Health, Nutrition, and Food Sciences, Florida State University, Tallahassee, FL 32306, United States.
Background: Erectile dysfunction is a condition with a rapidly increasing prevalence globally with a strong correlation to the increase in obesity and cardiovascular disease rates.
Aim: The aim of the current study is to investigate the potential role of tubacin, a histone deacetylase 6 (HDAC6) inhibitor, in restoring erectile function in a hypercholesterolemia-induced endothelial dysfunction model.
Methods: Thirty-nine male C57Bl/6 J mice were divided into 3 groups.
Cell Rep
January 2025
Department of Molecular Biology, Massachusetts General Hospital, Boston, MA 02114, USA; Department of Genetics, Harvard Medical School, Boston, MA 02115, USA. Electronic address:
Caenorhabditis elegans proliferates poorly in the presence of abundant Actinobacteria from its natural ecology, but it is unknown why. Here, we show how perturbed levels of hydrogen sulfide modulate the growth rate of both C. elegans and Actinobacteria.
View Article and Find Full Text PDFSci Rep
January 2025
School of Medicine, Yichun University, 576 XueFu Road, Yuanzhou District, Yichun, 336000, Jiangxi, P.R. China.
Sodium aescinate (SA), a natural plant extract with various bioactivities, is widely used to treat oedema and inflammation in clinics. However, adverse events, including liver injury, kidney injury, and phlebitis, have been reported in patients with SA in recent years. In this study, we used BALB/c mice and L02 cells to evaluate the role of ferroptosis in SA-induced liver injury.
View Article and Find Full Text PDFAntioxidants (Basel)
December 2024
Polymeric Biomaterials Laboratory, Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung 804, Taiwan.
Sodium thiosulfate (STS), a precursor of hydrogen sulfide (HS), has demonstrated antihypertensive properties. Previous studies have suggested that HS-based interventions can prevent hypertension in pediatric chronic kidney disease (CKD). However, the clinical application of STS is limited by its rapid release and intravenous administration.
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