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Related Concept Videos

Chronic Kidney Disease I: Introduction01:25

Chronic Kidney Disease I: Introduction

Chronic Kidney Disease (CKD) arises when the kidneys progressively lose their ability to function, ultimately leading to end-stage renal disease. At this advanced stage, the kidneys can no longer filter waste or maintain essential body functions, requiring renal replacement therapy (RRT) through dialysis or a kidney transplant for survival.Early-stage chronic kidney disease and detection challengesIn CKD's early stages, symptoms often remain absent because healthy nephrons compensate for...
Acute Kidney Injury II: Pathophysiology01:29

Acute Kidney Injury II: Pathophysiology

Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
Chronic Kidney Disease II: Clinical Manifestations01:24

Chronic Kidney Disease II: Clinical Manifestations

Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...
Mitochondria01:37

Mitochondria

Mitochondria are eukaryotic cellular organelles that are known to produce energy through a process called oxidative phosphorylation. Besides their primary function, mitochondria are involved in various cellular processes, including cell growth, differentiation, signaling, metabolism, and senescence. Age-related changes cause a decline in mitochondrial quality and integrity due to increased mitochondrial mutations and oxidative damage. Thus, aging can severely impact mitochondrial functions,...
Chronic Kidney Disease III: Interprofessional Care01:28

Chronic Kidney Disease III: Interprofessional Care

Chronic kidney disease (CKD) requires collaborative and comprehensive management. CKD progresses through stages and can lead to end-stage kidney disease (ESKD) if untreated. Interprofessional collaboration and patient education are crucial, enabling patients to manage their health and improve their quality of life.Diagnostic approach for chronic kidney diseaseThe diagnosis of CKD primarily focuses on the glomerular filtration rate (GFR), which assesses kidney function by measuring how well...
Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...

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Related Experiment Video

Updated: Jun 4, 2026

Assessment of Mitochondrial Fission/Fusion Dynamics in Kidney Proximal Tubular Cells
06:14

Assessment of Mitochondrial Fission/Fusion Dynamics in Kidney Proximal Tubular Cells

Published on: November 14, 2025

Mitochondrial biogenesis in kidney disease.

Joel M Weinberg1

  • 1Nephrology Division, Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, MI 48109-5676, USA. wnberg@umich.edu

Journal of the American Society of Nephrology : JASN
|March 1, 2011
PubMed
Summary

Mitochondrial biogenesis aids kidney health by improving metabolism and antioxidant defenses. Research into PPARs and SIRT1 may offer new ways to treat kidney disease.

Area of Science:

  • Mitochondrial biogenesis and transcriptional regulation
  • Renal disease pathogenesis
  • Metabolic adaptation and injury

Background:

  • Mitochondrial biogenesis enhances metabolic pathways (e.g., fatty acid oxidation) and antioxidant defenses.
  • These processes can ameliorate injury from aging, hypoxia, and metabolic overload, factors contributing to kidney disease.
  • Peroxisome proliferator-activated receptors (PPARs) are of interest in kidney function, influencing multiple processes.

Purpose of the Study:

  • To explore the regulation of mitochondrial biogenesis in the kidney.
  • To investigate the role of PPARγ coactivators and modulators like SIRT1 in renal mitochondrial biogenesis.
  • To identify potential therapeutic targets for modifying kidney disease.

Main Methods:

  • Review of existing literature on mitochondrial biogenesis and PPARs in the kidney.

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Modeling Hypoxia/Reoxygenation Injury in Proximal Tubular Epithelial Cells
06:23

Modeling Hypoxia/Reoxygenation Injury in Proximal Tubular Epithelial Cells

Published on: November 21, 2025

Related Experiment Videos

Last Updated: Jun 4, 2026

Assessment of Mitochondrial Fission/Fusion Dynamics in Kidney Proximal Tubular Cells
06:14

Assessment of Mitochondrial Fission/Fusion Dynamics in Kidney Proximal Tubular Cells

Published on: November 14, 2025

Modeling Hypoxia/Reoxygenation Injury in Proximal Tubular Epithelial Cells
06:23

Modeling Hypoxia/Reoxygenation Injury in Proximal Tubular Epithelial Cells

Published on: November 21, 2025

  • Analysis of the interplay between PPARγ coactivators, SIRT1, and mitochondrial function.
  • Identification of pathways relevant to renal disease modification.

    • Main Results:

    • Transcriptional regulation of mitochondrial biogenesis is increasingly understood.
    • PPARs influence various kidney processes, including mitochondrial biogenesis.
    • Limited data currently exists on the specific role of PPARγ coactivators and SIRT1 in renal mitochondrial biogenesis.

    Conclusions:

    • The pathways involving PPARγ coactivators and SIRT1 are promising areas for future research in kidney disease.
    • Understanding these regulatory mechanisms could lead to novel therapeutic strategies for renal conditions.
    • Further investigation is warranted to elucidate the precise roles of these factors in renal health and disease.