Cited by 30Lipid metabolism and disordersLipid metabolism and biosynthesisImmune Response and Inflammation

The DOI matches its Crossref record; 19 of the 19 references it cites were found in a registry or an index.

Alpha-adrenergic receptors mediate the hypertriglyceridemia induced by endotoxin, but not tumor necrosis factor, in rats.

Nonogaki, K, Moser, A H, Feingold, K R, Grunfeld, C·1994·Endocrinology

Abstract

We assessed the role of catecholamines in mediating the hypertriglyceridemia induced by lipopolysaccharide (LPS) or tumor necrosis factor-alpha (TNF alpha) in rats by employing specific adrenoreceptor antagonists. Pretreatment with phentolamine, an alpha-antagonist, but not propranolol, a beta-antagonist, suppressed the hypertriglyceridemia induced by either low dose LPS (100 ng/100 g BW) or high dose LPS (50 micrograms/100 g BW). Prazosin, an alpha 1-selective antagonist, significantly suppressed the low dose LPS-induced hypertriglyceridemia by inhibiting hepatic triglyceride secretion, but did not affect the increase in lipolysis. In contrast, yohimbine, an alpha 2-selective antagonist, partially suppressed the high dose LPS-induced hypertriglyceridemia by inhibiting the decrease in postheparin lipoprotein lipase activity. Treatment with phentolamine and propranolol did not affect the hypertriglyceridemia induced by TNF alpha. In summary, these findings suggest that catecholamines via alpha-adrenergic, but not beta-adrenergic, receptors are mediators of the hypertriglyceridemia induced by either low or high dose LPS in rats. alpha 1-Adrenergic receptors are involved in mediating the increased hepatic triglyceride secretion induced by low dose LPS, whereas alpha 2-adrenergic receptors are involved in mediating the decrease in lipoprotein lipase activity induced by high dose LPS. The hypertriglyceridemia induced by either low or high dose LPS may be regulated by a mechanism unrelated to TNF alpha in rats.

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Crossref · 10.1210/endo.135.6.7988454

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19 of 19 references verified0 citation errors · 0 not checkable

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Metadata

Authors
Nonogaki, K., Moser, A. H., Feingold, K. R., & Grunfeld, C.
Affiliations
University of California, San Francisco (US)
Venue
Endocrinology
Published
1994-12
Volume
135
Issue
6
Pages
2644-2650
ISSN
  • 0013-7227 (ISSN-L)
  • 1945-7170
OpenAlex
W1969117650
Cited by
30
References
19
Citations by year
2022: 1 · 2018: 1 · 2016: 1 · 2014: 1 · 2013: 2 · 2012: 2
FWCI
1.89
Type
journal article
Language
en
Open access
closed
Locations
  • Endocrinology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Diabetes and Digestive and Kidney Diseases (R01DK040990, DK-40990)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Lipid metabolism and disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
Keywords
alpha-adrenergic receptors, hypertriglyceridemia, lipopolysaccharide, endotoxin, TNF-α, catecholamines, alpha1-adrenoceptors, alpha2-adrenoceptors, hepatic triglyceride secretion, lipoprotein lipase, lipolysis, phentolamine, prazosin, yohimbine, propranolol
MeSH terms
Adrenergic alpha-Antagonists, Animals, Catecholamines, Dose-Response Relationship, Drug, Endotoxins, Lipopolysaccharides, Lipoprotein Lipase, Lipoproteins, Liver, Male, Receptors, Adrenergic, alpha, Triglycerides, Tumor Necrosis Factor-alpha, Hypertriglyceridemia, Rats, Sprague-Dawley, Rats

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