Relationship Between Adiponectin and apoB in Individuals With Diabetes in the Atlantic PATH Cohort
Vanessa DeClercq1, Yunsong Cui1, Trevor J B Dummer2
1Population Cancer Research Program, Department of Pediatrics, Dalhousie University, Halifax, Nova Scotia B3H 4R2, Canada.
Insights
Diabetes and obesity increase cardiovascular risk. This study found lower adiponectin in people with diabetes, especially women, but similar cardiovascular risk markers when matched for adiposity.
Area of Science:
- Endocrinology
- Cardiovascular Medicine
- Metabolic Syndrome
Background:
- Obesity and diabetes are rising, increasing cardiovascular disease (CVD) risk.
- The complex interplay between diabetes, obesity, and CVD requires further biological understanding.
Purpose of the Study:
- To investigate the relationship between adiponectin (adipose tissue function marker) and apolipoprotein B (apoB, a CVD risk marker).
- To compare these markers in participants with and without diabetes, matched for body mass index (BMI).
Main Methods:
- A nested case-control study within the Atlantic Partnership for Tomorrow's Health (PATH) cohort.
- 480 participants (35-69 years), 240 with and 240 without diabetes, matched for sex and BMI.
- Plasma adiponectin and apoB levels were measured using immunoassays.
Main Results:
- Plasma adiponectin was lower in participants with diabetes compared to those without, particularly in women.
- Apolipoprotein B levels were similar between diabetic and non-diabetic participants when matched for sex and adiposity.
- Participants with diabetes had higher measures of adiposity.
Conclusions:
- Adiposity measures were higher in the diabetes group.
- Adiponectin showed a strong inverse association with diabetes when participants were matched for adiposity.
- These findings highlight adiponectin's role in the diabetes-cardiovascular link, particularly in women.
Context:
The increasing prevalence of obesity and diabetes greatly influences the risk for cardiovascular (CV) comorbidities and affects the quality of life of many people. However, the relationship among diabetes, obesity, and cardiovascular risk is complex and requires further investigation to understand the biological milieu connecting these conditions.
Objective:
The aim of the current study was to explore the relationship between biological markers of adipose tissue function (adiponectin) and CV risk (apolipoprotein B) in body mass index (BMI)-matched participants with and without diabetes.
Design:
Nested case-control study.
Setting:
The Atlantic Partnership for Tomorrow's Health (PATH) cohort represents four Atlantic Canadian provinces: Newfoundland and Labrador, New Brunswick; Nova Scotia; and Prince Edward Island.
Participants:
The study population (n = 480) was aged 35 to 69 years, 240 with diabetes and 240 without diabetes.
Main Outcome Measures:
Groups with and without diabetes were matched for sex and BMI. Both measured and self-reported data were used to examine disease status, adiposity, and lifestyle factors. Immunoassays were used to measure plasma markers.
Results:
In these participants, plasma adiponectin levels were lower among those with diabetes than those without diabetes; these results were sex-specific, with a strong relationship seen in women. In contrast, in participants matched for sex and adiposity, plasma apoB levels were similar between participants with and those without diabetes.
Conclusion:
Measures of adiposity were higher in participants with diabetes. However, when matched for adiposity, the adipokine adiponectin exhibited a strong inverse association with diabetes.
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