Kidney Pathology and Investigative Nephrotoxicology Strategies Across Species

Kendall S Frazier1, Anne M Ryan2, Richard A Peterson3

  • 1GlaxoSmithKline, King of Prussia, PA.

Insights

Identifying nephrotoxic drugs early is crucial for patient safety. Advanced toxicologic studies help understand drug-induced kidney injury mechanisms and human relevance for better clinical risk assessment.

Area of Science:

  • Toxicology
  • Nephrology
  • Pharmacology

Background:

  • Drug-induced kidney toxicity is a major cause of acute kidney injury.
  • Early identification of nephrotoxic potential is vital for patient safety.
  • Understanding drug effects on the kidney is critical for clinical trial risk assessment.

Purpose of the Study:

  • To highlight the importance of identifying nephrotoxic drugs during nonclinical testing.
  • To familiarize scientists and physicians with drug-induced kidney perturbations and their clinical relevance.
  • To emphasize the need for advanced mechanistic and translational studies in kidney toxicity assessment.

Main Methods:

  • Utilizing mechanistic and translational toxicologic studies beyond routine histopathology and clinical pathology.
  • Investigating specific sites of nephron injury, reactive metabolites, and drug distribution.
  • Employing cutting-edge techniques including in vitro platforms, humanized animal models, and omics.

Main Results:

  • Advanced studies can elucidate the pathogenesis and human relevance of kidney toxicity.
  • Investigational approaches can identify mechanisms of injury, drug interactions, and functional recovery.
  • A variety of experimental modalities aid in investigating kidney toxicity mechanisms.

Conclusions:

  • Mechanistic and translational studies are essential for accurate clinical risk assessment of drug-induced kidney toxicity.
  • Advanced techniques provide comprehensive insights into kidney injury pathways.
  • Improved understanding facilitates better prediction and management of nephrotoxicity.

Related Concept Videos

What is a Species?01:17

What is a Species?

Overview
49.7K
Keystone Species01:39

Keystone Species

Measures of species biodiversity, such as richness (i.e., the number of species present) and evenness (i.e., their relative abundance), describe an ecological community’s structure. Many factors affect community structure, including abiotic factors (e.g., sunlight and nutrients), disturbances (e.g., fire or flood), species interactions (e.g., predation or competition), and chance events (e.g., foreign species invasion). Certain species—such as keystone species—also play a...
24.7K
Formation of Species01:31

Formation of Species

Speciation describes the formation of one or more new species from one or sometimes multiple original species. The resulting species are discrete from the parent species, and barriers to reproduction will typically exist. There are two primary mechanisms, speciation with and without geographic isolation—allopatric and sympatric speciation, respectively.
45.0K
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.
75.1K
Multi-species Conserved Sequences02:51

Multi-species Conserved Sequences

Next-generation sequencing technologies have created large genomic databases of a variety of animals and plants. Ever since the human genome project was completed, scientists studied the genome of primates, mammals, and other phylogenetically distant living beings. Such large-scale  studies have provided new insights into the evolutionary relationship between organisms.
Although the genome of each species varies greatly from each other, a few sequences are highly conserved. Such conserved...
4.7K
Persuasion Strategies01:52

Persuasion Strategies

Researchers have tested many persuasion strategies, including the foot-in-the door and the door-in-the-face techniques, in a variety of contexts. Ultimately, the principles are effective in selling products and changing people’s attitude, ideas, and behaviors (Cialdini & Goldstein, 2004).
43.5K