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Lipodystrophy syndromes are a group of genetic or acquired disorders in which the body is unable to produce and maintain healthy fat tissue. [1] [2] The medical condition is characterized by abnormal or degenerative conditions of the body's adipose tissue.
Acquired generalized lipodystrophy (AGL), also known as Lawrence syndrome [1] and Lawrence–Seip syndrome, [1] is a rare skin condition that appears during childhood or adolescence, characterized by fat loss affecting large areas of the body, particularly the face, arms, and legs.
Familial partial lipodystrophy, also known as Köbberling–Dunnigan syndrome, [2] is a rare genetic metabolic condition characterized by the loss of subcutaneous fat. [ 3 ] : 495 FPL also refers to a rare metabolic condition in which there is a loss of subcutaneous fat in the arms, legs and lower torso.
Congenital generalized lipodystrophy (also known as Berardinelli–Seip lipodystrophy) is an extremely rare autosomal recessive condition, characterized by an extreme scarcity of fat in the subcutaneous tissues. [2] It is a type of lipodystrophy disorder where the magnitude of fat loss determines the severity of metabolic complications. [3]
Familial Partial Lipodystrophy, Dunnigan Type Autosomal dominant is the manner of inheritance of this condition Dunnigan-type familial partial lipodystrophy , also known as FPLD Type II and abbreviated as ( FPLD2 ), is a rare monogenic form of insulin resistance characterized by loss of subcutaneous fat from the extremities , trunk , and ...
Like many other genetic disorders that affect lipid metabolism, there are several forms of MLD, which are late infantile, juvenile, and adult. [citation needed]In the late infantile form, which is the most common form of MLD (50–60%), affected children begin having difficulty walking after the first year of life, usually at 15–24 months.
It is characterized by normal development in early childhood, followed by rapid degeneration to a vegetative state. The other forms of ALD vary in timing of onset and in clinical severity, ranging from adrenal insufficiency alone to progressive paraparesis in early adulthood.
Seipin is a homo-oligomeric integral membrane protein in the endoplasmic reticulum (ER) that concentrates at junctions with cytoplasmic lipid droplets (LDs). Alternatively, seipin can be referred to as Berardinelli–Seip congenital lipodystrophy type 2 protein (BSCL2), and it is encoded by the corresponding gene of the same name, i.e. BSCL2.