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Thick Ascending Limb Nitric Oxide Production And Inhibition Of Nkcc2 Activity Are Impaired In Angiotensin Ii-Induced Hypertension, Vanesa Daniela Ramseyer
Thick Ascending Limb Nitric Oxide Production And Inhibition Of Nkcc2 Activity Are Impaired In Angiotensin Ii-Induced Hypertension, Vanesa Daniela Ramseyer
Wayne State University Dissertations
Cardiovascular disease is the leading cause of death in the US. Hypertension, which affects about 30 % of the US population, is an important risk factor in the development of this disease. Inappropriately elevated sodium reabsorption by the kidney contributes to hypertension; therefore, studying the mechanisms that lead to enhanced sodium transport is important in understanding this pathology. The thick ascending limb (THAL) reabsorbs 30% of the filtered sodium chloride load. Nitric oxide (NO) produced by NO synthase type 3 (NOS3) increases cyclic GMP (cGMP) and inhibits THAL transport by reducing Na/K/2Cl cotransporter type 2 (NKCC2) activity. Interestingly, in angiotensin …