BioScience Trends. 2012;6(6):340-341. (DOI: 10.5582/bst.2012.v6.6.340)
Proposed interaction between angiotensinogen and retinoblastoma tumor suppressor protein: Potential molecular origin of hypertension.
Radulescu RT
Hypertension ranks among the most important disease challenges on a global scale. Here, a novel hypothesis is presented which implicates angiotensinogen, i.e. the precursor protein for the hypertensive peptide angiotensin II, as a key culprit in the pathogenesis of hypertension. This hypothesis more precisely entails that intracellular angiotensinogen binds and thereby inactivates the retinoblastoma tumor suppressor protein (RB), consequently leading to an inflammatory and hyperproliferative state that significantly contributes to pathologically increasing blood pressure. Accordingly, a conceivable antihypertensive strategy could comprise RB-derived compounds that neutralize angiotensinogen.
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