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Related Concept Videos

Factors Affecting Renal Clearance: Renal Impairment01:17

Factors Affecting Renal Clearance: Renal Impairment

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Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
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Renal Corpuscle01:20

Renal Corpuscle

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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...
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Renal Clearance01:23

Renal Clearance

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The glomerular filtration rate (GFR) is a critical marker of kidney function, reflecting the efficiency of filtration by the glomeruli. Renal clearance of specific substances, such as inulin or creatinine, is commonly used to measure GFR.
Renal clearance refers to the volume of plasma cleared of a specific substance, such as creatinine, per unit of time. To measure clearance, urine samples are collected over a 24-hour period during each bladder voiding, followed by a single blood sample at the...
2.7K
Renal Drug Clearance: Comparison Between Renal Excretion Methods01:08

Renal Drug Clearance: Comparison Between Renal Excretion Methods

618
Renal clearance is a critical parameter encompassing kidney filtration, secretion, and reabsorption processes. It is calculated using a specific equation to determine the rate at which the kidneys clear a drug.
Renal clearance is often associated with the renal glomerular filtration rate (GFR), which represents the rate at which plasma is filtered through the glomeruli in the kidney. When drug reabsorption is minimal and there is no active secretion, renal clearance is closely related to the...
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Drug Elimination: Non-Renal Routes01:23

Drug Elimination: Non-Renal Routes

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The liver plays a pivotal role in eliminating drugs and their metabolites, primarily through a process known as biliary excretion. This process involves the hepatocytes, the primary cells in the liver that generate bile. A range of transporters actively expels polar drugs or hydrophilic drug metabolites into the bile, which transports the drugs and metabolites into the small intestine. From here, they are eventually expelled from the body through feces. In some instances, the original drug or a...
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Renal Tubule and Collecting Duct01:24

Renal Tubule and Collecting Duct

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The renal tubule is divided into three parts: the proximal convoluted tubule (PCT), the Loop of Henle (LOH), and the distal convoluted tubule (DCT).
Proximal Convoluted Tubule (PCT):
The PCT is the initial segment of the renal tubule, extending from the Bowman's capsule that encloses the glomerulus. Its convoluted structure and microvilli-lined cells increase the surface area for reabsorption. The PCT reabsorbs glucose, amino acids, sodium, and water from the filtrate, ensuring essential...
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Related Experiment Video

Updated: Feb 7, 2026

Comparing Metastatic Clear Cell Renal Cell Carcinoma Model Established in Mouse Kidney and on Chicken Chorioallantoic Membrane
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Renal cell carcinoma.

Young E Whang1, Paul A Godley

  • 1Division of Hematology/Oncology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-7305, USA.

Current Opinion in Oncology
|June 5, 2003
PubMed
Summary

Renal cell carcinoma (RCC) presents diagnostic and therapeutic challenges. Research suggests alcohol may protect women, but childbirth could increase RCC risk; new treatments show promise.

Area of Science:

  • Oncology
  • Urology
  • Epidemiology

Background:

  • Renal cell carcinoma (RCC) remains a significant diagnostic and therapeutic challenge in urologic oncology.
  • The rising incidence of RCC is not fully explained by increased abdominal imaging.
  • Emerging research explores potential risk and protective factors, including lifestyle and reproductive history.

Purpose of the Study:

  • To review current challenges in renal cell carcinoma (RCC) diagnosis and treatment.
  • To examine recent findings on epidemiological factors influencing RCC risk.
  • To highlight advancements in RCC staging and therapeutic strategies.

Main Methods:

  • Review of recent epidemiological studies on RCC risk factors.
  • Analysis of findings from randomized clinical trials on metastatic RCC management.

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Modeling Spontaneous Metastatic Renal Cell Carcinoma mRCC in Mice Following Nephrectomy
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A Syngeneic Mouse Model of Metastatic Renal Cell Carcinoma for Quantitative and Longitudinal Assessment of Preclinical Therapies
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  • Summary of early clinical trial data for novel RCC therapeutic agents.

    • Main Results:

    • Alcohol consumption may offer a protective effect against RCC in women.
    • Increased parity (number of children) may be associated with a higher RCC risk in women.
    • An alternative staging system shows potential utility.
    • Surgical removal of the primary tumor in metastatic RCC is being clarified by clinical trials.
    • Novel agents like CCI-779, pegylated interferon, thalidomide, and anti-VEGF antibodies show promise in early trials.

    Conclusions:

    • Renal cell carcinoma (RCC) management requires ongoing research into risk factors and novel therapies.
    • Further investigation into the roles of alcohol consumption and parity in RCC is warranted.
    • Promising new therapeutic agents and staging systems are emerging for RCC treatment.