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Granulocyte adherence in the elderly
American Journal of Clinical Pathology
|January 1, 1977
Summary
Older adults exhibit increased granulocyte adherence, a key immune cell function. This finding highlights age-related immune system changes, with alcohol impacting adherence in the elderly.
Area of Science:
- Immunology
- Gerontology
- Hematology
Background:
- Age-related changes in immune cell function are not fully understood.
- Granulocyte adherence plays a role in immune response and inflammation.
Purpose of the Study:
- To investigate age-related differences in granulocyte adherence.
- To examine the effect of common medications and alcohol on granulocyte adherence in older adults.
Main Methods:
- Blood samples were collected from individuals aged 11-59 and over 60 years.
- Granulocyte adherence was measured and compared between age groups.
- The influence of specific medications and recent alcohol consumption was assessed.
Main Results:
- Older subjects (over 60) demonstrated significantly higher granulocyte adherence (78.4%) compared to younger subjects (65.7%).
- Hemoglobin, leukocyte, and neutrophil counts were lower in the older group.
- Alcohol ingestion within 24 hours was linked to reduced granulocyte adherence in older individuals. Medications tested had no significant effect.
Conclusions:
- Granulocyte adherence increases with age, contrasting with decreased leukocyte and neutrophil counts.
- Alcohol consumption may negatively impact granulocyte adherence in the elderly.
- Sex differences in granulocyte adherence persist into advanced age.