NEFA (Non Esterified Fatty Acid) , Adipose Factors Behind Insulin Sensitivity

The Role of Adipose Tissue in Atherogenic Conditions in Man - Mechanisms and Interventions

We want to asses the role of adipose tissue for metabolic complications to obesity before and after weight loss (surgery).

Inclusion Criteria obese:

• Bariatric surgery with laparoscopic gastric by-pass

Exclusion Criteria obese:

• diabetes mellitus typ 2 with insulin treatment and/or glitazones
• oral or parenteral steroid treatment
• complicated psychiatric disease
• Warfarin use

Inclusion Criteria non-obese controls:

• BMI under 30

Exclusion Criteria non-obese controls:

• diabetes
• oral or parenteral steroids treatment
• complicated psychiatric disease
• Warfarins use