DHCR24 in cholesterol metabolism and diseases of the nervous system.
Level 5 - mechanism / opinion, no new human data
Narrative review synthesizing mechanistic and secondary literature without primary data or systematic methodology.
PubMed 41987278 · doi:10.1186/s12944-026-02954-x
What was done
Narrative review summarizing published literature on DHCR24 (3β-hydroxysterol 24-reductase), focusing on its enzymatic role in cholesterol biosynthesis and its mechanistic involvement in neurological conditions such as Alzheimer's disease and ischemic stroke.
What was found
The abstract reports no numerical findings or quantitative effect sizes. It qualitatively describes DHCR24 as an enzyme that catalyzes the reduction of the sterol intermediate C-24 double bond, participates in cell growth, senescence, carcinogenesis, and oxidative stress responses, and is reported to exert neuroprotective effects against amyloid-beta toxicity.
Why it matters
Synthesizing the dual roles of DHCR24 in lipid metabolism and neuroprotection highlights potential biochemical pathways relevant to neurodegenerative and cerebrovascular disease research.
Limits
This is an unsystematic narrative review with no primary empirical data, quantitative meta-analysis, risk-of-bias evaluation, or systematic search methodology reported in the abstract.
Cited by
- supports Virtually all human tissues under normal physiological conditions are capable of manufacturing their own cholesterol.