Related Experiment Video
Updated: Sep 28, 2025
10:03
Studying Pre-formed Fibril Induced α-Synuclein Accumulation in Primary Embryonic Mouse Midbrain Dopamine Neurons
Published on: August 16, 2020
10.8K
Fatty acid balance regulates α-synuclein pathology
Stav Cohen-Adiv1, Avraham Ashkenazi2
1Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
Trends in Neurosciences
|April 5, 2022
Summary
Cellular stress from familial alpha-synuclein mutations, linked to Parkinson's disease, can be reduced by adjusting fatty acid balance in neurons. This suggests lipid metabolism disruptions contribute to Parkinson's pathogenesis.
Area of Science:
- Neuroscience
- Biochemistry
- Genetics
Background:
- Familial mutations in alpha-synuclein are linked to Parkinson's disease pathogenesis.
- Cellular stress is a key feature in neurodegenerative diseases like Parkinson's.
- Lipid metabolism alterations are increasingly implicated in neurological disorders.
Purpose of the Study:
- To investigate if altering monounsaturated fatty acid equilibrium can alleviate cellular stress caused by familial alpha-synuclein mutations.
- To explore the role of metabolic perturbation of lipids in Parkinson's disease.
Main Methods:
- Utilized a protein engineering approach.
- Focused on manipulating monounsaturated fatty acid equilibrium in neuronal cells.
Main Results:
- Demonstrated that adjusting monounsaturated fatty acid balance alleviates cellular stress associated with familial alpha-synuclein mutations.
- Provided evidence for the direct impact of lipid metabolism on alpha-synuclein-induced cellular stress.
Conclusions:
- Altering monounsaturated fatty acid equilibrium is a potential therapeutic strategy for familial Parkinson's disease.
- Metabolic perturbation of lipids plays a significant role in the pathogenesis of Parkinson's disease.
Related Concept Videos
01:37Neural Regulation
40.4K
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.
40.4K
03:03Amyloid Fibrils
10.2K
Amyloid fibrils are aggregates of misfolded proteins. Under most circumstances, misfolded proteins are either refolded by chaperone proteins or degraded by the proteasome. However, in the case of a mutation or a disease, these proteins can accumulate to form large clusters and often further assemble to form elongated fibers, called fibrils.
Amyloid deposits were observed as early as 1639 in the liver and the spleen. In 1854, Rudolph Virchow performed iodine staining,...
Amyloid deposits were observed as early as 1639 in the liver and the spleen. In 1854, Rudolph Virchow performed iodine staining,...
10.2K
01:22Lysosomal Hydrolases
3.9K
Lysosomes are the site for the degradation of macromolecules and biological polymers released during membrane trafficking events such as secretory, endocytic, autophagic, and phagocytic pathways. The membrane-enclosed area of the lysosome, called the lumen, contains hydrolytic enzymes active in an acidic environment. These acid hydrolases are functional at a pH between 4.5 and 5 and are involved in cellular processes such as cell signaling, energy metabolism, restoration of the plasma membrane,...
3.9K