Cited by 184Lipid metabolism and biosynthesisLipid metabolism and disordersPeroxisome Proliferator-Activated Receptors

Lipodystrophies: disorders of adipose tissue biology.

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Garg, Abhimanyu, Agarwal, Anil K.·2009·Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids

Abstract

The adipocytes synthesize and store triglycerides as lipid droplets surrounded by various proteins and phospholipids at its surface. Recently, the molecular basis of some of the genetic syndromes of lipodystrophies has been elucidated and some of these genetic loci have been found to contribute to lipid droplet formation in adipocytes. The two main types of genetic lipodystrophies are congenital generalized lipodystrophy (CGL) and familial partial lipodystrophy (FPL). So far, three CGL loci: 1-acylglycerol-3-phosphate-O-acyltransferase 2 (AGPAT2), Berardinelli-Seip Congenital Lipodystrophy 2 (BSCL2) and caveolin 1 (CAV1) and four FPL loci: lamin A/C (LMNA), peroxisome proliferator-activated receptor gamma (PPARG), v-AKT murine thymoma oncogene homolog 2 (AKT2) and zinc metalloprotease (ZMPSTE24), have been identified. AGPAT2 plays a critical role in the synthesis of glycerophospholipids and triglycerides required for lipid droplet formation. Another protein, seipin (encoded by BSCL2 gene), has been found to induce lipid droplet fusion. CAV1 is an integral component of caveolae and might contribute towards lipid droplet formation. PPARgamma and AKT2 play important role in adipogenesis and lipid synthesis. In this review, we discuss and speculate about the contribution of various lipodystrophy genes and their products in the lipid droplet formation.

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Crossref · 10.1016/j.bbalip.2008.12.014

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  • Inherited and congenital lipodystrophies are associated with moderate-to-severe hypertriglyceridemia and are characterized by loss of adipose tissue and either autosomal recessive or dominant inheritance.

    “Inherited and congenital lipodystrophies are associated with moderate-to-severe hypertriglyceridemia and are characterized by loss of adipose tissue and either autosomal recessive or dominant inheritance (95).”

    From Evaluation and Treatment of Hypertriglyceridemia: An Endocrine Society Clinical Practice Guideline (2012) · cites this paper as [95]

    The Congenital Generalized Lipodystrophy section (page unavailable) describes near-total fat loss, autosomal recessive inheritance, and hypertriglyceridemia that is difficult to manage. The Familial Partial Lipodystrophy section (page unavailable) describes fat loss and both dominant and recessive forms, but reports dyslipidemia rather than specifically moderate-to-severe hypertriglyceridemia. The claimed severity and its application across the inherited forms are not established by these passages. (LLM, conf=0.86)

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  1. [43]Ae Kim C Delepine M Boutet E El Mourabit H Le Lay S Meier M Nemani M Bridel E Leite CC Bertola DR Semple RK O'Rahilly S Dugail I Capeau J Lathrop M Magre J Association of a homozygous nonsense Caveolin-1 mutation with Berardinelli-Seip Congenital Lipodystrophy J Clin Endocrinol Metab 2008 18211975

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Authors
Garg, A., & Agarwal, A. K.
Affiliations
The University of Texas Southwestern Medical Center (US)
Corresponding author
  • Garg, Abhimanyu
  • Agarwal, Anil K.
Venue
Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids
Publisher
Elsevier BV
Published
2009-06
Volume
1791
Issue
6
Pages
507-513
ISSN
1388-1981 (ISSN-L)
OpenAlex
W1985649195
Cited by
184
References
83
Citations by year
2026: 1 · 2025: 5 · 2024: 10 · 2023: 2 · 2022: 7 · 2021: 10 · 2020: 8 · 2019: 10 · 2018: 13 · 2017: 10 · 2016: 8 · 2015: 14 · 2014: 9 · 2013: 16 · 2012: 15
FWCI
1.58
Type
journal article
Language
en
Open access
Locations
  • Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01-DK-54387, R01DK054387)
  • National Center for Research Resources (UL1RR024982)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Lipid metabolism and disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Peroxisome Proliferator-Activated Receptors
Keywords
lipodystrophy, adipocytes, lipid droplet formation, congenital generalized lipodystrophy, familial partial lipodystrophy, AGPAT2, BSCL2, seipin, caveolin-1, caveolae, lamin A/C, PPARγ, AKT2, ZMPSTE24, adipogenesis, triglyceride synthesis, glycerophospholipid biosynthesis, genetic loci
MeSH terms
Animals, Glycerol-3-Phosphate O-Acyltransferase, Humans, Membrane Proteins, Metalloendopeptidases, Organelles, Adipocytes, Lamin Type A, GTP-Binding Protein gamma Subunits, PPAR gamma, Lipid Metabolism, Proto-Oncogene Proteins c-akt, Caveolin 1, Lipodystrophy, Familial Partial, Lipodystrophy, Congenital Generalized

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