Related Experiment Video
Updated: Aug 14, 2026

Assessment of Mitochondrial Functions and Cell Viability in Renal Cells Overexpressing Protein Kinase C Isozymes
Published on: January 7, 2013
[Disorders of the processes of protein biosynthesis and a decrease in the content of cytochromes P-450 and b5 in the
Kh Ia Karimov1, R N Akhmedov, F Kh Inoiatova
1Second Tashkent State Medical Institute, Uzbekistan.
Abstract:
Noticeable decrease in microsomal protein level MOS terminal component--cytochrome P-450 and MOS median link--cytochrome b5 contents in microsomal fraction implicated in renal pathologic process was established in development of acute unilateral pyelonephritis. These findings reduction expression directly depended on severity and pathologic process development degree. One of the main causes led to reduction in cytochromes P-450 and b5 level and inhibition proteins biosynthesis may be influence of toxic products which are generated in substance exchange involved in prevalence of catabolic processes in injured kidney and intensification in endogenous intoxication syndrome on renal structures. Implication of many other factors effecting decrease in microsomal hemoproteins and protein levels in the damaged kidney in above pathology showed necessity to perform further investigations in the field given.
Insights
Acute pyelonephritis significantly reduces key kidney proteins, cytochrome P-450 and cytochrome b5. This decrease correlates with disease severity, potentially due to toxic products and increased catabolism in the injured kidney.
Area of Science:
- Biochemistry
- Nephrology
- Pathology
Context:
- Acute unilateral pyelonephritis impacts kidney function.
- Microsomal fractions are crucial for metabolic processes within the kidney.
- Cytochrome P-450 and cytochrome b5 are key microsomal proteins involved in detoxification and metabolism.
Purpose:
- To investigate the changes in microsomal protein levels, specifically cytochrome P-450 and cytochrome b5, during acute unilateral pyelonephritis.
- To determine the correlation between the reduction in these proteins and the severity of the pyelonephritis.
- To explore potential causes for the observed decrease in protein levels.
Summary:
- Acute unilateral pyelonephritis leads to a notable decrease in cytochrome P-450 and cytochrome b5 content within the kidney's microsomal fraction.
- The extent of this reduction is directly proportional to the severity and developmental stage of the pyelonephritis.
- Toxic products from altered metabolism, increased catabolism, and endogenous intoxication are implicated as primary contributors to the diminished protein levels and inhibited protein biosynthesis.
Impact:
- Highlights the biochemical alterations in the kidney during pyelonephritis.
- Suggests a link between protein biosynthesis inhibition and disease progression.
- Underscores the need for further research into the multifactorial causes of microsomal hemoprotein reduction in damaged kidneys.
Related Concept Videos
Overview of Protein Metabolism
Amino acids play various roles in the body once they are absorbed into cells. They are restructured...
Nephrons
Acute Pyelonephritis I: Introduction
Acute Pyelonephritis II: Diagnostic Studies and Management
Acute Kidney Injury II: Pathophysiology
Acute Kidney Injury IV: Diagnostic Studies and Prevention

