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Zhou, V. ATP2C1 Gene. Encyclopedia. Available online: https://encyclopedia.pub/entry/4810 (accessed on 26 December 2024).
Zhou V. ATP2C1 Gene. Encyclopedia. Available at: https://encyclopedia.pub/entry/4810. Accessed December 26, 2024.
Zhou, Vicky. "ATP2C1 Gene" Encyclopedia, https://encyclopedia.pub/entry/4810 (accessed December 26, 2024).
Zhou, V. (2020, December 24). ATP2C1 Gene. In Encyclopedia. https://encyclopedia.pub/entry/4810
Zhou, Vicky. "ATP2C1 Gene." Encyclopedia. Web. 24 December, 2020.
ATP2C1 Gene
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This entry is adapted from the peer-reviewed paper https://medlineplus.gov/genetics/gene/atp2c1

ATPase secretory pathway Ca2+ transporting 1

genes

1. Normal Function

The ATP2C1 gene provides instructions for making a protein called hSPCA1. This protein is an adenosine triphosphate (ATP)-powered calcium pump, which uses energy from ATP molecules to pump charged calcium atoms (calcium ions) across cell membranes. Specifically, the hSPCA1 protein transports calcium ions into a cell structure called the Golgi apparatus, where they are stored until needed. The appropriate storage and release of calcium is essential for many cell activities, including cell growth and division (proliferation), cell movement (migration), and attachment of cells to one another (cell adhesion).

The hSPCA1 protein also transports manganese ions into the Golgi apparatus. Manganese works with a variety of enzymes and is involved in processing newly formed proteins.

The hSPCA1 protein is present in cells throughout the body. It appears to be particularly important for the normal function of cells called keratinocytes, which are found in the outer layer of the skin (the epidermis). In addition to proliferation and adhesion, calcium regulation in these cells appears to play an important role in maintaining the skin's barrier function, helping to keep foreign invaders such as bacteria out of the body.

2. Health Conditions Related to Genetic Changes

Hailey-Hailey disease

More than 200 mutations in the ATP2C1 gene have been found to cause Hailey-Hailey disease, a rare skin condition characterized by red, raw, and blistered areas of skin that can become infected. Mutations in this gene reduce the amount of functional hSPCA1 protein, which impairs the storage of calcium ions in the Golgi apparatus. For unknown reasons, this abnormal calcium storage affects keratinocytes more than other types of cells. Problems with calcium regulation impair many cell functions, including cell adhesion. As a result, keratinocytes do not stick tightly to one another, which causes the epidermis to become fragile and less resistant to minor trauma. Because the skin is easily damaged, it develops raw, blistered areas, particularly in skin folds where there is moisture and friction. In addition, abnormal calcium regulation disrupts the barrier function of the skin, making it more susceptible to infections. However, it is unclear how a reduction of hSPCA1 protein function affects the skin barrier, and how its impairment is involved in Hailey-Hailey disease.

Although ATP2C1 gene mutations probably also affect the transport of manganese within cells, abnormal manganese regulation is not thought to contribute to the signs and symptoms of Hailey-Hailey disease.

3. Other Names for This Gene

  • AT2C1_HUMAN
  • ATP-dependent Ca(2+) pump PMR1
  • ATP2C1A
  • ATPase 2C1
  • ATPase, Ca(2+)-sequestering
  • ATPase, Ca++ transporting, type 2C, member 1
  • BCPM
  • calcium-transporting ATPase type 2C member 1
  • HHD
  • hSPCA1
  • HUSSY-28
  • KIAA1347
  • PMR1
  • secretory pathway Ca2+/Mn2+ ATPase 1
  • SPCA1

References

  1. Behne MJ, Tu CL, Aronchik I, Epstein E, Bench G, Bikle DD, Pozzan T, Mauro TM.Human keratinocyte ATP2C1 localizes to the Golgi and controls Golgi Ca2+ stores. J Invest Dermatol. 2003 Oct;121(4):688-94.
  2. Dobson-Stone C, Fairclough R, Dunne E, Brown J, Dissanayake M, Munro CS,Strachan T, Burge S, Sudbrak R, Monaco AP, Hovnanian A. Hailey-Hailey disease:molecular and clinical characterization of novel mutations in the ATP2C1 gene. J Invest Dermatol. 2002 Feb;118(2):338-43.
  3. Hu Z, Bonifas JM, Beech J, Bench G, Shigihara T, Ogawa H, Ikeda S, Mauro T,Epstein EH Jr. Mutations in ATP2C1, encoding a calcium pump, cause Hailey-Hailey disease. Nat Genet. 2000 Jan;24(1):61-5.
  4. Missiaen L, Dode L, Vanoevelen J, Raeymaekers L, Wuytack F. Calcium in theGolgi apparatus. Cell Calcium. 2007 May;41(5):405-16.
  5. Missiaen L, Raeymaekers L, Dode L, Vanoevelen J, Van Baelen K, Parys JB,Callewaert G, De Smedt H, Segaert S, Wuytack F. SPCA1 pumps and Hailey-Haileydisease. Biochem Biophys Res Commun. 2004 Oct 1;322(4):1204-13. Review.
  6. Sudbrak R, Brown J, Dobson-Stone C, Carter S, Ramser J, White J, Healy E,Dissanayake M, Larrègue M, Perrussel M, Lehrach H, Munro CS, Strachan T, Burge S,Hovnanian A, Monaco AP. Hailey-Hailey disease is caused by mutations in ATP2C1encoding a novel Ca(2+) pump. Hum Mol Genet. 2000 Apr 12;9(7):1131-40.
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Subjects: Genetics & Heredity
Contributor MDPI registered users' name will be linked to their SciProfiles pages. To register with us, please refer to https://encyclopedia.pub/register :
Vicky Zhou
View Times: 492
Entry Collection: MedlinePlus
Revision: 1 time (View History)
Update Date: 24 Dec 2020
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