Article
Hypoxic vasodilatory defect and pulmonary hypertension in mice lacking hemoglobin β-cysteine93 S-nitrosylation.
JCI insight - 8 Feb 2022
Zhang Rongli, Hausladen Alfred, Qian Zhaoxia, Liao Xudong, Premont Richard T, Stamler Jonathan S
Abstract excerpt
Systemic hypoxia is characterized by peripheral vasodilation and pulmonary vasoconstriction. However, the system-wide mechanism for signaling hypoxia remains unknown. Accumulating evidence suggests that hemoglobin (Hb) in RBCs may serve as an O2 sensor and O2-responsive NO signal transducer to regulate systemic and pulmonary vascular tone, but this remains unexamined at the integrated system level. One residue...
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