Related Experiment Video
Updated: May 27, 2025

08:52
Measurement of Protein Turnover Rates in Senescent and Non-Dividing Cultured Cells with Metabolic Labeling and Mass Spectrometry
Published on: April 6, 2022
3.4K
Aging, cellular senescence and Parkinson's disease
Yue Ma1,2, Madalynn L Erb1,2, Darren J Moore1,2
1Department of Neurodegenerative Science, Van Andel Institute, Grand Rapids, MI, USA.
Journal of Parkinson'S Disease
|February 20, 2025
Summary
Cellular senescence, a hallmark of aging, may drive Parkinson's disease (PD) neuropathogenesis. Understanding this link could lead to new therapies targeting senescent cells for PD treatment.
Area of Science:
- Neuroscience
- Gerontology
- Pathology
Background:
- Parkinson's disease (PD) is a prevalent neurodegenerative disorder, with aging as a primary risk factor.
- Age-associated changes like mitochondrial dysfunction, oxidative stress, and neuroinflammation are also hallmarks of PD.
- Cellular senescence, a state of irreversible cell cycle arrest, is a key feature of aging and linked to age-related diseases.
Purpose of the Study:
- To review the relationship between hallmarks of aging and PD neuropathology.
- To explore the role of cellular senescence in brain health and PD.
- To discuss the challenges and promise of studying cellular senescence in PD for therapeutic development.
Main Methods:
- Literature review focusing on hallmarks of aging (e.g., mitochondrial dysfunction, proteostasis, genomic instability) in relation to PD.
- Examination of cellular senescence hallmarks within neuroscience.
- Review of existing studies investigating cellular senescence directly in Parkinson's disease.
Main Results:
- Aging shares several biological hallmarks with PD neuropathology.
- Cellular senescence is an emerging area of interest in PD research.
- Investigating senescence in PD offers potential for novel therapeutic strategies.
Conclusions:
- Cellular senescence is a critical feature of aging that may contribute to Parkinson's disease pathogenesis.
- Further research into the complex interplay between senescence and PD is needed.
- Targeting senescent cells or their secretory phenotype (SASP) presents a promising avenue for developing disease-modifying therapies for PD.
More Related Videos
Related Concept Videos
Aging
35
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...
35
Parkinson's Disease: Overview
429
Neurodegenerative disorders are progressive diseases that cause irreversible damage and loss to neurons in specific brain areas. Examples of these disorders include Parkinson's disease, Alzheimer's disease, Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS). These disorders share characteristics such as proteinopathies, selective neuronal vulnerability, and a complex interplay between genetic and environmental factors. The primary therapeutic goal for these conditions is...
429
Mitochondria
9.7K
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,...
9.7K
Parkinson's Disease: Treatment
187
Neurodegenerative disorders, such as Parkinson's Disease (PD), involve the gradual and irreversible destruction of neurons in particular brain areas. These disorders exhibit standard features like proteinopathies, selective vulnerability of some neurons, and an interaction of intrinsic properties, genetics, and environmental influences in neural injury.
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of...
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of...
187
Neural Regulation
39.1K
Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
39.1K
The Effect of Aging on Tissues
2.0K
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...
2.0K

