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Fiber Type and Subcellular-Specific Analysis of Lipid Droplet Content in Skeletal Muscle

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Familial Partial Lipodystrophy (FPLD): Recent Insights.

Christos Bagias¹, Angeliki Xiarchou¹, Alexandra Bargiota²

¹Department of Endocrinology, University of Ioannina, Ioannina, Greece.

Diabetes, Metabolic Syndrome and Obesity : Targets and Therapy

|May 23, 2020

Summary

Familial partial lipodystrophy (FPLD) involves adipose tissue loss, causing metabolic issues like insulin resistance. New treatments, including metreleptin and SGLT2 inhibitors, show promise for managing FPLD symptoms.

Keywords:

familial lipodystrophy leptin lipodystrophy partial lipodystrophy

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Area of Science:

Endocrinology
Genetics
Metabolic Diseases

Background:

Lipodystrophies are disorders marked by adipose tissue loss, leading to metabolic complications.
Familial partial lipodystrophy (FPLD) exhibits genetic and phenotypic diversity, with key metabolic features including insulin resistance, hypertriglyceridemia, and hepatic steatosis.
Pathogenesis involves impaired lipid storage in adipose tissue, causing lipotoxicity, inflammation, and ectopic fat accumulation.

Purpose of the Study:

To review the current understanding of lipodystrophy, focusing on FPLD.
To discuss diagnostic approaches, including clinical findings and genetic analysis.
To explore current and emerging therapeutic strategies for FPLD management.

Main Methods:

Clinical diagnosis based on abnormal fat distribution and metabolic derangements.
Genetic analysis for confirmation of FPLD.
Review of recent advancements in understanding adipose tissue biology and treatment options.

Main Results:

Metreleptin, a leptin analogue, is approved for FPLD, improving metabolic profile and other functions.
Preliminary data suggest glucagon-like peptide 1 receptor agonists (GLP1 RAs) and SGLT2 inhibitors may improve glycemic control and reduce insulin needs in FPLD.
Investigational therapies are under development for FPLD.

Conclusions:

FPLD management remains challenging, but new therapeutic avenues offer improved outcomes.
Accurate diagnosis utilizing clinical, imaging, and genetic data is crucial.
Advances in understanding adipose tissue biology are driving the development of targeted FPLD treatments.