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“To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact”
~ Charles Darwin (it's evolutionary baybeee!)

Monday, February 21, 2011

Adipose Tissue Characteristics in Obese Teens & Insulin Resistance


Yes ... I'm going to be on a bit of a bookmarking post spree here :-)

This study looked at fat cell size and proliferation in obese teens and compared this to IR and fatty liver.  This study seems to be consistent with the whole "critical threshold" or "normal fat capacity" theories on why some obese are relatively "metabolically healthy" while others are not.  I've not, however, had a chance to read thoroughly.

Conclusions:  A reduced lipo-/adipogenic capacity, fraction, and estimated number of large subcutaneous adipocytes may contribute to the abnormal distribution of abdominal fat and hepatic steatosis, as well as to insulin resistance in obese adolescents.

Thinking out loud:  It seems more and more to me these days that abdominal fat - visceral in particular - is our short term buffer as Frayn describes the behavior of fat tissue in the postprandial period (recently fed state).  Overages go into our subcutaneous "overflow tank".  If we have insufficient capacity in that tank, our fat gets "sick".  

2 comments:

Beth@WeightMaven said...

Have you seen this study yet? Cafeteria Diet Is a Robust Model of Human Metabolic Syndrome With Liver and Adipose Inflammation: Comparison to High-Fat Diet http://www.nature.com/oby/journal/vaop/ncurrent/full/oby201118a.html

I've only just skimmed, but am liking what I read so far!

CarbSane said...

Hey Beth, I'll probably do a blog on this soon. Some interesting results when you look at the supp tables on "why we overeat"!

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