Related Experiment Video
Updated: Feb 5, 2026
07:04
Modeling Age-Associated Neurodegenerative Diseases in Caenorhabditis elegans
Published on: August 15, 2020
5.8K
Aging Kidney and Aging-Related Disease
1MOE Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, Tsinghua University, Beijing, China.
Advances in Experimental Medicine and Biology
|September 21, 2018
Summary
As people live longer, kidney aging becomes a significant health concern. Understanding molecular changes and cellular processes like senescence and autophagy is key to developing interventions for renal aging.
Area of Science:
- Gerontology
- Nephrology
- Molecular Biology
Background:
- Increased lifespan due to societal and healthcare advancements has led to widespread aging issues.
- Renal aging is a critical and increasingly prevalent health problem, characterized by structural and functional decline.
- Molecular mechanisms, including Klotho and Sirtuins, and cellular processes like senescence and autophagy, underpin kidney aging.
Purpose of the Study:
- To highlight the significance of renal aging as a growing health concern.
- To identify key molecular and cellular factors involved in kidney aging.
- To explore the potential for interventions to mitigate renal aging.
Main Methods:
- Review of current literature on renal aging.
- Analysis of molecular changes (Klotho, Sirtuins) associated with kidney aging.
- Examination of cellular processes (senescence, autophagy) in the context of renal aging.
Main Results:
- Renal aging involves significant structural and functional changes in the kidney.
- Klotho and Sirtuin pathways are identified as crucial molecular drivers of kidney aging.
- Cell senescence and autophagy are fundamental cellular mechanisms contributing to renal aging.
Conclusions:
- Effective intervention in renal aging is crucial for overall health.
- Targeting molecular and cellular pathways offers potential strategies for mitigating kidney aging.
- Further research into interventions could improve healthy aging and longevity.
Related Concept Videos
01:26Aging
709
Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
709
01:19The Effect of Aging on Tissues
3.6K
Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
3.6K
01:09Changes in the Appendicular Skeleton with Age
3.6K
The upper and lower limb initially develops as a small bulge called a limb bud, which appears on the lateral side of the early embryo. The upper limb bud appears near the end of the fourth week of development, with the lower limb bud appearing shortly after.
Initially, the limb buds consist of a core of mesenchyme covered by a layer of ectoderm. The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. This ridge stimulates the underlying...
Initially, the limb buds consist of a core of mesenchyme covered by a layer of ectoderm. The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. This ridge stimulates the underlying...
3.6K
01:27Pharmacodynamics in Geriatric Patients: Effects of Age
238
Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
238
01:22Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption
701
As individuals age, their body's physiology evolves, affecting drug pharmacokinetics. The most apparent changes occur in the gastrointestinal tract, where an increase in gastric pH, a delay in gastric emptying, and a reduction in gastrointestinal motility are observed. Remarkably, these changes do not substantially modify the absorption of orally administered drugs, particularly those absorbed via passive diffusion.Transdermal drug delivery emerges as a highly viable method for older adults due...
701
01:00Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution
261
Drug distribution in the human body is influenced by several factors, including plasma protein concentration, body composition, blood flow, tissue-protein concentration, and tissue fluid pH. Among these, changes in plasma protein concentration and body composition due to aging significantly affect how drugs are distributed within the body. Specifically, aging is associated with a decrease in albumin levels by about 10% and an increase in α1-acid glycoprotein levels. These alterations are...
261