Familial Partial Lipodystrophy
You are reading a NORD Rare Disease Report Abstract. NORD’s full collection of reports on over 1200 rare diseases is available to subscribers (click here for details). We are now also offering two full rare disease reports per day to visitors on our Web site.
NORD is very grateful to Abhimanyu Garg, MD, Professor of Internal Medicine, Chief, Division of Nutrition and Metabolic Diseases, Distinguished Chair in Human Nutrition Research, UT Southwestern Medical Center at Dallas, for assistance in the preparation of this report.
Synonyms of Familial Partial Lipodystrophy
- Kobberling-Dunnigan syndrome
- lipoatrophic diabetes
- autosomal recessive FPL
- FLP type 1 (Kobberling lipodystrophy)
- FLP type 2 (Dunnigan lipodystrophy)
- FLP type 3
- FLP type 4
- FLP type 5
Familial partial lipodystrophy (FPL) is a rare genetic disorder characterized by selective, progressive loss of body fat (adipose tissue) from various areas of the body. Individuals with FPL often have reduced subcutaneous fat in the arms and legs and the head and trunk regions may or may not have loss of fat. Conversely, affected individuals may also have excess subcutaneous fat accumulation in other areas of the body, especially the neck, face and intra-abdominal regions. Subcutaneous fat is the fatty or adipose tissue layer that lies directly beneath the skin. In most cases, adipose tissue loss begins during puberty. FPL can be associated with a variety of metabolic abnormalities. The extent of adipose tissue loss usually determines the severity of the associated metabolic complications. These complications can include an inability to properly breakdown a simple sugar known as glucose (glucose intolerance), elevated levels of triglycerides (fat) in the blood (hypertriglyceridemia), and diabetes. Additional findings can occur in some cases. Six different subtypes of FPL have been identified. Each subtype is caused by a mutation in a different gene. Four forms of FPL are inherited as autosomal dominant traits; one form is inherited as an autosomal recessive trait. The mode of inheritance of FPL, Kobberling variety is unknown.
Lipodystrophy is a general term for a group of disorders that are characterized by complete (generalized) or partial loss of adipose tissue. In addition to FPL, there are other inherited forms of lipodystrophy. Some forms of lipodystrophy are acquired at some point during life. The degree of severity and the specific areas of the body affected can vary greatly among the lipodystrophies. Some individuals may only develop cosmetic problems; other can develop life-threatening complications. The loss of adipose tissue that characterizes these disorders is sometimes referred to as lipoatrophy rather than lipodystrophy by some physicians. FPL was first described in the medical literature in 1970s independently by Doctors Kobberling and Dunnigan.
Familial Partial Lipodystrophy Resources
Please note that some of these organizations may provide information concerning certain conditions potentially associated with this disorder.
NORD Member Organizations:
(To become a member of NORD, an organization must meet established criteria and be approved by the NORD Board of Directors. If you're interested in becoming a member, please contact Susan Olivo, Membership Manager, at firstname.lastname@example.org.)
The information in NORD’s Rare Disease Database is for educational purposes only. It should never be used for diagnostic or treatment purposes. If you have questions regarding a medical condition, always seek the advice of your physician or other qualified health professional. NORD’s reports provide a brief overview of rare diseases. For more specific information, we encourage you to contact your personal physician or the agencies listed as “Resources” on this report.
The National Organization for Rare Disorders (NORD) web site, its databases, and the contents thereof are copyrighted by NORD. No part of the NORD web site, databases, or the contents may be copied in any way, including but not limited to the following: electronically downloading, storing in a retrieval system, or redistributing for any commercial purposes without the express written permission of NORD. Permission is hereby granted to print one hard copy of the information on an individual disease for your personal use, provided that such content is in no way modified, and the credit for the source (NORD) and NORD’s copyright notice are included on the printed copy. Any other electronic reproduction or other printed versions is strictly prohibited.
NORD's Rare Disease Information Database is copyrighted and may not be published without the written consent of NORD.