Journal
EXPERIMENTAL PHYSIOLOGY
Volume 102, Issue 8, Pages 869-884Publisher
WILEY
DOI: 10.1113/EP086274
Keywords
high blood pressure; cardiovascular; unfolded protein response; Renal; central nervous system; Vascular Physiology
Categories
Funding
- US National Institutes of Health [NIH HL116776]
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The endoplasmic reticulum (ER) is a cellular organelle specialized in the synthesis, folding, assembly and modification of proteins. In situations of increased protein demand, complex signalling pathways, termed the unfolded protein response, influence a series of cellular feedback loops to control ER function strictly. Although this is initially a compensatory attempt to maintain cellular homeostasis, chronic activation of the unfolded protein response, known as ER stress, leads to sustained changes in cellular function. A growing body of literature points to ER stress in diverse cardioregulatory systems, including the brain, kidney and vasculature, as central to the development of hypertension. Here, these recent findings from essential and obesity-related forms of hypertension are highlighted in an integrative manner, with discussion of the potential upstream causes and downstream consequences of ER stress. Given that hypertension is a leading medical and socio-economic global challenge, emerging findings suggest that targeting ER stress might represent a viable strategy for the treatment of hypertensive disease.
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