Abstract:
:In order to evaluate the role of visceral and subcutaneous fat tissue in insulin sensitivity and lipid metabolism, we measured the fasting levels of plasma free fatty acid (FFA) and insulin, glucose disappearance rate (Rd), and hepatic glucose production rate (HGP) after surgical removal of visceral (VF) or subcutaneous (SF) fat tissue in monosodium glutamate-obese (MSG-Ob) rats. Monosodium glutamate obesity was induced in rats by neonatal injection of MSG. Surgery to remove fat was done at 15 weeks of age. The experiments were done four weeks after the surgery. MSG-Ob rats showed increased levels of FFA, insulin, and HGP and decreased Rd compared to normal rats. In the VF group, the FFA level and HGP were decreased to normal values, Rd was partially normalized, but the level of insulin did not change significantly compared to MSG-Ob. In the SF group, FFA and Rd were partially normalized, but HGP was not suppressed significantly compared to MSG-Ob. These results suggest that visceral fat affects the insulin sensitivity of liver and FFA concentration more than subcutaneous fat; however, no significant difference was shown on whole body insulin sensitivity and fasting insulin concentration.
journal_name
J Korean Med Scijournal_title
Journal of Korean medical scienceauthors
Kim YW,Kim JY,Lee SKdoi
10.3346/jkms.1999.14.5.539keywords:
subject
Has Abstractpub_date
1999-10-01 00:00:00pages
539-45issue
5eissn
1011-8934issn
1598-6357journal_volume
14pub_type
杂志文章abstract::We experienced two unusual cases of tumor-like polypoid lesions involving the rectosigmoid colon. They could not be readily classified into any well known polypoid tumors of the rectosigmoid colon, but appeared to have some similarities to the previously documented "eroded polypoid hyperplasia (EPH)". A collective rev...
journal_title:Journal of Korean medical science
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journal_title:Journal of Korean medical science
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journal_title:Journal of Korean medical science
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journal_title:Journal of Korean medical science
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更新日期:1998-04-01 00:00:00
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journal_title:Journal of Korean medical science
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journal_title:Journal of Korean medical science
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journal_title:Journal of Korean medical science
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pub_type: 杂志文章
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journal_title:Journal of Korean medical science
pub_type: 临床试验,杂志文章
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更新日期:2008-06-01 00:00:00
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journal_title:Journal of Korean medical science
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doi:10.3346/jkms.2001.16.4.381
更新日期:2001-08-01 00:00:00
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journal_title:Journal of Korean medical science
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