Decreased Expression of apM1 in Omental and Subcutaneous Adipose Tissue of Humans with Type 2 Diabetes
2000

Reduced apM1 Levels in Type 2 Diabetes

Sample size: 26 publication Evidence: moderate

Author Information

Author(s): MICHAEL A. STATNICK, LISA S. BEAVERS, LAURA J. CONNER, HELENA COROMINOLA, DWAYNE JOHNSON, CRAIG D. HAMMOND, RONIT RAFAELOFF-PHAIL, THOMAS SENG, TODD M. SUTER, JAMES P. SLUKA, ERIC RAVUSSIN, ROBERT A. GADSKI, JOSE F. CARO

Primary Institution: Lilly Research Laboratories

Hypothesis

The study aims to identify differentially expressed genes in omental adipose tissue of human patients with Type 2 diabetes.

Conclusion

The study found that apM1 mRNA levels are significantly reduced in the omental and subcutaneous adipose tissue of patients with Type 2 diabetes.

Supporting Evidence

  • apM1 mRNA levels were significantly reduced in omental adipose tissue of obese Type 2 diabetic patients compared to lean and obese normoglycemic subjects.
  • apM1 was expressed in mature human adipocytes but not in preadipocytes.
  • Expression of apM1 was reduced approximately 2.2-2.5 fold in omental adipose tissue from Type 2 diabetic patients compared to lean or obese non-diabetic individuals.

Takeaway

This study shows that a protein called apM1 is lower in the fat of people with Type 2 diabetes, which might be important for understanding diabetes.

Methodology

The study used a subtracted cDNA library and RT-PCR to analyze apM1 expression in adipose tissue from patients.

Potential Biases

The small number of patients and gender-specific variability in apM1 levels may introduce bias.

Limitations

The study had a small sample size and focused only on female patients, which may limit the generalizability of the findings.

Participant Demographics

Patients included lean non-diabetic, obese non-diabetic, and obese Type 2 diabetic individuals, primarily female.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.05

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