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Adiponectin and smoking status: a systematic review
Kazuhiko Kotani1, Ayako Hazama, Akiko Hagimoto
1Department of Clinical Laboratory Medicine, Jichi Medical University, Tochigi, Japan. kazukotani@jichi.ac.jp
Current smokers have lower adiponectin levels, a key protein linked to heart health. Quitting smoking can reverse this reduction, improving adiponectin levels and potentially mitigating cardiometabolic risks.
Area of Science:
- Endocrinology
- Cardiovascular Health
- Public Health
Background:
- Smoking and adiponectin are independently linked to cardiometabolic diseases.
- Understanding their relationship is crucial for public health and clinical interventions.
Purpose of the Study:
- To systematically review and summarize the association between smoking status and circulating adiponectin levels.
- To consolidate evidence from epidemiological and intervention studies.
Main Methods:
- Systematic review of original articles published between 1995 and 2010.
- Inclusion of epidemiological (cross-sectional, case-control, cohort) and intervention studies in adult humans.
- Literature screening and assessment by a research group.
Main Results:
- Eleven studies were included: 9 cross-sectional and 2 intervention.
- Most cross-sectional studies indicated lower adiponectin in current smokers versus non-smokers/ex-smokers.
- Intervention studies showed increased adiponectin levels following smoking cessation.
Conclusions:
- Current smoking is associated with reduced adiponectin levels.
- Smoking cessation appears to reverse this reduction.
- Further research is needed to confirm findings and explore underlying biological mechanisms.
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