Lipofuscin

Lipofuscin

Lipofuscin is the name given to fine yellow-brown pigment granules composed of lipid-containing residues of lysosomal digestion.[1][2]

Lipofuscin is wear and tear pigments

It is considered to be one of the aging or “wear-and-tear” pigments, found in the liver, kidney, heart muscle, retina, adrenals, nerve cells, and ganglion cells.[citation needed]It is specifically arranged around the nucleus, and is a type of lipochrome.

Lipofuscin Age Pill

Formation and turnover of Lipofuscin

It appears to be the product of the oxidation of unsaturated fatty acids and may be symptomatic of membrane damage, or damage to mitochondria and lysosomes. Aside from a large lipid content, lipofuscin is known to contain sugars and metals, including mercury, aluminum, iron, copper and zinc.[3]

Lipofuscin and Relation to diseases

Lipofuscin accumulation is a major risk factor implicated in macular degeneration, a degenerative disease of the eye,[10] as well as Stargardt disease, an inherited juvenile form of macular degeneration.

Abnormal accumulation of lipofuscin known as lipofuscinosis[1] is associated with a family of neurodegenerative disorders – neuronal ceroid lipofuscinoses, the most common of these is Batten disease.

Pathological accumulation of lipofuscin is implicated in Alzheimer’s disease, Parkinson’s disease, amyotrophic lateral sclerosis, certain lysosomal diseases, acromegaly, denervation atrophy, lipidmyopathy, chronic obstructive pulmonary disease,[11]and centronuclear myopathy. Accumulation of lipofuscin in the colon is the cause of the condition melanosis coli.

Reference:Wikipedia article Lipofuscin

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