Renal autonomic nerve fiber

Renal autonomic nerve fibers comprise both afferent (sensory) and efferent (sympathetic) fibers that innervate the kidney, primarily surrounding the renal artery and its branches and affecting renal blood vessels, tubules, and juxtaglomerular cells[1][5]. Most are unmyelinated sympathetic fibers that regulate renal blood flow, promote sodium and water reabsorption, and control renin release, playing essential roles in physiological homeostasis and the pathogenesis of hypertension and kidney disease[1][3][4][5]. The fibers work through norepinephrine-mediated activation of adrenergic receptors (mainly α-receptors), with little to no evidence of direct parasympathetic (vagal) innervation in the kidney[5]. Pathological overactivity or dysregulation of these nerves is strongly implicated in hypertension, chronic kidney disease, and cardiovascular outcomes, forming the rationale for therapeutic interventions such as renal denervation and pharmacological autonomic modulators[2][3][4][6]. Note: - This is not a classical single molecular target (such as a receptor, enzyme, or ion channel), but rather a bundle of neural fibers mediating autonomic control, so it is not considered a therapeutic target in the strict pharmacological sense. - Consider renaming for database entries, as "Renal autonomic nerve fibers" is anatomical/functional and not a single molecular entity. - The information may be too broad and not appropriate for molecularly focused drug target lists.

Other names

Renal autonomic nerve fiberRenal nerve fiberRenal sympathetic nerveRenal afferent nerveRenal efferent nerve

Modulation of sympathetic activity (inhibition); Suppression of renin-angiotensin-aldosterone system; Interruption of sympathetic neural input (e.g., by renal denervation)