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Conversion of cognitive decline and its influencing factors by telomeres among the elderly in Tianjin: a community-based prospective cohort study

Effects and mechanism of folate on the apoptosis of neurocytes and delaying cognitive decline by telomeres in older people

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2000034348
Enrollment
Unknown
Registered
2020-07-02
Start date
2018-04-10
Completion date
Unknown
Last updated
2020-07-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Mild Cognitive Impairment (MCI)

Interventions

Case series:no intervention

Sponsors

School of Public Health, Tianjin Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
60 Years to No maximum

Inclusion criteria

Inclusion criteria: Community-based stable natural population aged 60 or older

Exclusion criteria

Exclusion criteria: 1. Neurological examination found the sign of local central nerve obstruction such as obvious paralysisunilateral sensory disturbance and aphasia etc, history of cerebrovascular diseases (hemorrhagic and ischemic stroke), brain injury or bone fracture; 2. Medical diseases such as asthmatic bronchitis, severe hypertension, angina pectoris and severe infection; 3. Psychotic patients with evident anxiety and depressed emotion and subjects with endocrine system history of disease(hyperthyroidism, thyroid hypofunction, systemic lupus eythematosus, rheumatoid arthritis); 4. Newly discovered or advanced tumor; 5. Visual perception,auditory perceptual disorders or languages communication difficulties, all of which may influence measurement of cognitive function; 6. Alcohol dependence and other psychoactive substance abuse such as antipsychotic drug,benzodiazepines or taking medicine influencing cognitive function.

Design outcomes

Primary

MeasureTime frame
Cognitive function (MMSE score);Folate and methionine circulating metabolites;Luckocyte telomere length and damage;Peripheral blood inflammatory cytokines;Related gene expression;

Countries

China

Contacts

Public ContactGuowei Huang

School of Public Health, Tianjin Medical University

huangguowei@tmu.edu.cn+86 13752069951

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026