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Related Concept Videos

Renal Drug Excretion: Overview01:15

Renal Drug Excretion: Overview

As primary excretory organs, the kidneys maintain homeostasis by removing waste substances from the bloodstream. They comprise over a million units called nephrons, which serve as the kidney's functional units.
A nephron consists of two primary structures: the renal corpuscle and the renal tubule. The renal corpuscle contains the glomerulus, a network of capillaries where the first step of renal excretion, glomerular filtration, occurs. Blood pressure forces water, ions, and small molecules out...
Kidney Structure01:45

Kidney Structure

The kidneys are two large bean-shaped organs located in the upper abdomen. They filter the blood several times a day to remove toxins and rebalance water and electrolytes of the circulatory system via the renal veins. The kidneys receive blood directly from the heart via the renal arteries. These arteries enter the kidney at the hilum, the concave surface of the bean, where they branch and divide into smaller vessels and capillaries.
Physiology of the Genitourinary System I: Renal Blood Flow and Glomerular Filtration01:29

Physiology of the Genitourinary System I: Renal Blood Flow and Glomerular Filtration

The kidneys are vital organs responsible for regulating blood filtration, waste excretion, and fluid balance, all of which are crucial for maintaining homeostasis. Renal physiology examines renal blood flow, glomerular filtration, and urine formation, ensuring the body’s internal environment remains stable.Renal Blood FlowThe kidneys receive about 20-25% of the cardiac output, typically around 1200 mL of blood per minute in an average adult. Blood flows into the kidneys through the renal...
Kidney Transplant II: Surgical Procedure01:26

Kidney Transplant II: Surgical Procedure

Preoperative ManagementThe primary goals of preoperative management in kidney transplantation are to optimize the patient’s metabolic state and prepare them for surgery through diet adjustments, necessary dialysis, and tailored medical treatment. This phase also involves comprehensive infection screening and patient education about the surgical procedure and postoperative care to improve outcomes and adherence.Medical ManagementA comprehensive evaluation is required for both the living donor...
Renal Corpuscle01:20

Renal Corpuscle

The glomerulus and Bowman's capsule are two essential components of the nephron, which is the functional unit of the kidney. These microscopic structures play a critical role in the process of blood filtration to produce urine.
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous capillaries...
Renal Drug Excretion: Tubular Reabsorption01:25

Renal Drug Excretion: Tubular Reabsorption

Tubular reabsorption, a process occurring post-glomerular filtration of drugs in the renal tubule, is a critical determinant of drug half-life. During the process of renal excretion, as the glomerular filtrate progresses to the distal convoluted tubule (DCT), drugs that are highly permeable, lipophilic, and nonionized undergo passive reabsorption from the tubular fluid into the surrounding peritubular capillaries. This reabsorption process restricts their elimination through the kidneys. This...

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5/6 Nephrectomy Using Sharp Bipolectomy Via Midline Laparotomy in Rats
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Published on: April 4, 2025

Renal TRPathies.

Alexander Dietrich1, Vladimir Chubanov, Thomas Gudermann

  • 1Institute of Pharmacology and Toxicology, School of Medicine, University of Marburg, Marburg, Germany.

Journal of the American Society of Nephrology : JASN
|April 17, 2010
PubMed
Summary
This summary is machine-generated.

Transient Receptor Potential (TRP) channels TRPC6 and TRPM6 are crucial for kidney function. Mutations in TRPC6 cause kidney failure (FSGS), while TRPM6 mutations lead to hypomagnesemia.

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09:02

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Published on: February 2, 2021

Area of Science:

  • Nephrology
  • Molecular Biology
  • Ion Channel Physiology

Background:

  • Kidney function relies on ion channels and transporters for electrolyte balance.
  • Transient Receptor Potential (TRP) channels are increasingly linked to kidney diseases.
  • This review examines TRPC6 and TRPM6 channel functions in renal physiology.

Purpose of the Study:

  • To review the roles of TRPC6 and TRPM6 in kidney function.
  • To elucidate the mechanisms by which TRP channel mutations cause kidney diseases.
  • To highlight potential therapeutic strategies targeting TRP channels in renal pathologies.

Main Methods:

  • Review of recent scientific literature on TRP channel function in the kidney.
  • Analysis of genetic mutations associated with TRPC6 and TRPM6.
  • Examination of the physiological consequences of altered channel activity.

Main Results:

  • Gain-of-function mutations in TRPC6 are implicated in focal segmental glomerulosclerosis (FSGS) and progressive kidney failure.
  • TRPC6 is vital for the slit diaphragm integrity in podocytes.
  • Loss-of-function mutations in TRPM6 cause hypomagnesemia with secondary hypocalcemia due to impaired Mg2+ transport.

Conclusions:

  • TRPC6 and TRPM6 play critical, distinct roles in kidney function.
  • Understanding TRP channel mechanisms offers new therapeutic avenues for FSGS and hypomagnesemia.
  • Further research into TRP channelopathies can advance nephrology and ion channel biology.