MCOLN1

MCOLN1 (Mucolipin 1) is a protein that in humans is encoded by the MCOLN1 gene. It is a member of the mucolipin family of proteins, which are part of the larger TRP channel superfamily. MCOLN1 is primarily associated with the rare genetic disorder Mucolipidosis type IV (MLIV).

Function

MCOLN1 is a non-selective cation channel that is permeable to calcium, sodium, and other divalent cations. It is found in the membranes of lysosomes and endosomes, where it plays a crucial role in the process of lysosomal exocytosis. This process is essential for the maintenance of cellular homeostasis.

Clinical significance

Mutations in the MCOLN1 gene are the cause of Mucolipidosis type IV (MLIV), a neurodegenerative lysosomal storage disorder. MLIV is characterized by severe psychomotor retardation, corneal clouding, retinal degeneration and an increased level of intracellular iron in certain tissues.

Research

Research into MCOLN1 and its associated pathways is ongoing, with the aim of better understanding the molecular mechanisms of MLIV and other lysosomal storage disorders. This research could potentially lead to the development of new treatments for these conditions.

See also

• Mucolipin
• Mucolipidosis type IV
• Lysosomal exocytosis
• Lysosomal storage disease

References

Template:Genes on human chromosome 19

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