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cystathionine/acidente vascular cerebral
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Reduced Production of Hydrogen Sulfide and Sulfane Sulfur Due to Low Cystathionine β-Synthase Levels in Brain Astrocytes of Stroke-Prone Spontaneously Hypertensive Rats.
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Stroke-prone spontaneously hypertensive rats (SHRSP/Izm; SHRSP) develop severe hypertension and die of cerebral stroke. However, the genetic mechanisms underlying their stroke susceptibility have not been clarified yet. In this study, we used astrocytes from the newborn brain cortex of spontaneously
Stroke in young patients with hyperhomocysteinemia due to cystathionine beta-synthase deficiency.
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BACKGROUND
Although hyperhomocyst(e)inemia (Hyper-Hcy) may predispose to atherosclerosis and venous thrombosis, the mechanisms of stroke associated with Hyper-Hcy are not defined.
METHODS
Clinical and biochemical phenotypes and genetic features of three unrelated patients with premature stroke and
[Stroke and iridodonesis revealing a homocystinuria caused by a compound heterozygous mutation of cystathionine beta-synthase].
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Iridodonesis or tremulous iris is a clinical sign of ectopia lentis which is frequently associated with homocystinuria. We present a forty-two-year-old woman victim of a left middle cerebral artery ischemic stroke. The clinical examination found bilateral iridodonesis and laboratory tests showed an
Plasma Cystathionine and Risk of Incident Stroke in Patients With Suspected Stable Angina Pectoris.
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Background Cystathionine is an intermediate product in the transsulfuration pathway and formed during the B6-dependent conversion of methionine to cysteine. Elevated plasma cystathionine has been related to atherosclerosis, which is a major etiological factor for ischemic stroke. However, the role
Serum Proteome Alterations in Human Cystathionine β-Synthase Deficiency and Ischemic Stroke Subtypes.
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Ischemic stroke induces brain injury via thrombotic or embolic mechanisms involving large or small vessels. Cystathionine β-synthase deficiency (CBS), an inborn error of metabolism, is associated with vascular thromboembolism, the major cause of morbidity and mortality in affected patients. Because
Cystathionine beta-synthase deficiency heralded by cerebral sinus venous thrombosis and stroke.
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BACKGROUND
Elevated plasma homocysteine is a risk factor for arterial and venous thromboses in adults. Homocysteine is increased in cystathionine beta-synthase deficiency, a treatable amino acid metabolic disorder that may be missed on newborn screening placing children at risk of thrombosis and
[Relationship between polymorphisms of cystathionine beta-synthase gene and stroke].
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OBJECTIVE
To determine whether the T27796C mutation in cystathionine beta-synthase (CBS) gene is associated with stroke in Chinese.
METHODS
The T27796C mutation in CBS gene of 59 cases with stroke and 65 health controls were detected by polymerase chain reaction-restriction fragment length
The association of cystathionine β synthase (CBS) T833C polymorphism and the risk of stroke: a meta-analysis.
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As results from published studies on the association of Cystathionine β Synthase (CBS) T833C genetic polymorphism with the risk of stroke are inconsistent, we performed a meta-analysis to summarize the possible association. Eligible studies published were searched for in PubMed, Elsevier Science
"Zipped Synthesis" by Cross-Metathesis Provides a Cystathionine β-Synthase Inhibitor that Attenuates Cellular H2S Levels and Reduces Neuronal Infarction in a Rat Ischemic Stroke Model.
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The gaseous neuromodulator H2S is associated with neuronal cell death pursuant to cerebral ischemia. As cystathionine β-synthase (CBS) is the primary mediator of H2S biogenesis in the brain, it has emerged as a potential target for the treatment of stroke. Herein, a "zipped" approach by alkene
Cystathionine beta-synthase T833C/844ins68 polymorphism and stroke.
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Testosterone regulation of renal cystathionine beta-synthase: implications for sex-dependent differences in plasma homocysteine levels.
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Elevated plasma total homocysteine (tHcy) is an independent risk factor for ischemic heart disease and stroke. Epidemiological studies reveal that men have higher tHcy levels than women, but the mechanism underlying this sex-dependent difference is unknown. One route for intracellular disposal of
S-adenosylhomocysteine, but not homocysteine, is toxic to yeast lacking cystathionine beta-synthase.
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Elevated plasma homocysteine is associated with a variety of diseases in humans including coronary heart disease, stroke, peripheral vascular disease, and birth defects. However, the mechanism by which plasma homocysteine affects cells is unknown. We have examined the growth of isogenic wild-type
Brain 3-Mercaptopyruvate Sulfurtransferase (3MST): Cellular Localization and Downregulation after Acute Stroke.
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3-Mercaptopyruvate sulfurtransferase (3MST) is an important enzyme for the synthesis of hydrogen sulfide (H2S) in the brain. We present here data that indicate an exclusively localization of 3MST in astrocytes. Regional distribution of 3MST activities is even and unremarkable. Following permanent
[Genetic mutations of homocysteine metabolism related enzymes in patients with ischemic stroke].
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To study genetic mutations of methylenetetrahydrofolate reductase (MTHFR) C677T and cystathionine-beta-synthase (CBS) T833C related to homocysteine metabolism in patients with ischemic stroke, the MTHFR gene C677T gene mutation and the CBS T833C gene mutation were detected by PCR-RFLP or ARMS method
Homocyst(e)ine and stroke.
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Homocyst(e)ine elevation is associated with a two- to threefold fold increased risk of ischemic stroke. Although most commonly associated with large-artery atherosclerosis and venous thrombosis, hyperhomocysteinemia may contribute to stroke by other mechanisms as well. Levels of homocysteine are
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