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Articles by Asad Mian in JoVE
Nitrik Oksit Biyoaktivite içlin Analitik Teknikler
Hong Jiang1, Deepa Parthasarathy1, Ashley C. Torregrossa1, Asad Mian2, Nathan S. Bryan1
1Texas Therapeutics Institute, University of Texas Health Science Center at Houston, 2Deptartment of Pediatrics, Baylor College of Medicine
Nitrik oksit (NO) endojen üretimi biyolojik fonksiyonları çok çeşitli düzenler. Bu NO dayalı sinyal bozulması veya düzensizliği birçok insan hastalıkları dahil olduğu giderek daha açık hale gelmektedir. Yöntem NO metabolitleri insan hastalığı için yeni tanısal veya prognostik biyolojik sağlayabilir ilgili ölçmek için.
Other articles by Asad Mian on PubMed
Nature Medicine. Dec, 2011 | Pubmed ID: 22081021
Nitric oxide (NO) is crucial in diverse physiological and pathological processes. We show that a hypomorphic mouse model of argininosuccinate lyase (encoded by Asl) deficiency has a distinct phenotype of multiorgan dysfunction and NO deficiency. Loss of Asl in both humans and mice leads to reduced NO synthesis, owing to both decreased endogenous arginine synthesis and an impaired ability to use extracellular arginine for NO production. Administration of nitrite, which can be converted into NO in vivo, rescued the manifestations of NO deficiency in hypomorphic Asl mice, and a nitric oxide synthase (NOS)-independent NO donor restored NO-dependent vascular reactivity in humans with ASL deficiency. Mechanistic studies showed that ASL has a structural function in addition to its catalytic activity, by which it contributes to the formation of a multiprotein complex required for NO production. Our data demonstrate a previously unappreciated role for ASL in NOS function and NO homeostasis. Hence, ASL may serve as a target for manipulating NO production in experimental models, as well as for the treatment of NO-related diseases.