Journal
BIOCHEMICAL PHARMACOLOGY
Volume 187, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bcp.2020.114389
Keywords
ATP; Adenosine; P2X; P2Y; Kidney; Renal tubule; Vasculature; Inflammation
Categories
Funding
- Diabetes UK [17/0005685]
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Historically, renal vascular and tubular function has been mainly controlled through neural and endocrine regulation. However, it is now acknowledged that complex humoral control systems exist within the kidney, complementing neuroendocrine regulation by fine-tuning renal function in response to rapid changes. The extracellular nucleotide/P2 receptor system plays a central role in intrinsic regulatory feedback loops within the kidney, contributing to the understanding and potential treatment of kidney disease.
Historically, the control of renal vascular and tubular function has, for the most part, concentrated on neural and endocrine regulation. However, in addition to these extrinsic factors, it is now appreciated that several complex humoral control systems exist within the kidney that can act in an autocrine and/or paracrine fashion. These paracrine systems complement neuroendocrine regulation by dynamically fine-tuning renal vascular and tubular function to buffer rapid changes in nephron perfusion and flow rate of tubular fluid. One of the most pervasive is the extracellular nucleotide/P2 receptor system, which is central to many of the intrinsic regulatory feedback loops within the kidney such as renal haemodynamic autoregulation and tubuloglomerular feedback (TGF). Although physiological actions of extracellular adenine nucleotides were reported almost 100 years ago, the conceptual framework for purinergic regulation of renal function owes much to the work of Geoffrey Burnstock. In this review, we reflect on our >20-year collaboration with Professor Burnstock and highlight the research that is still unlocking the potential of the renal purinergic system to understand and treat kidney disease.
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