WS2B: Difference between revisions

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{{short description|Putative gene associated with Waardenburg syndrome type 2}}
{{Short description|Overview of WS2B}}
{{protein
|name=Waardenburg syndrome, type 2B
|caption=
|image=
|width=
|HGNCid=12794
|Symbol=WS2B
|AltSymbols=
|EntrezGene=7488
|OMIM=600193
|RefSeq=
|UniProt=
|PDB=
|ECnumber=
|Chromosome=1
|Arm=p
|Band=21
|LocusSupplementaryData=-1p13.3
}}
'''''WS2B''''' is a putative gene associated with [[Waardenburg syndrome]] type 2. It has not yet been isolated from its [[Locus (genetics)|locus]] of chromosome 1p21–1p13.3 since it was first reported in 1994.<ref name=":0">{{Cite web|url=https://www.omim.org/entry/600193|title=OMIM Entry - % 600193 - WAARDENBURG SYNDROME, TYPE 2B; WS2B|website=www.omim.org|access-date=2019-12-23}}</ref>


== History ==
==WS2B==
This locus was first linked to Waardenburg syndrome in 1994, when the study that first identified mutations in ''[[MITF]]'' in patients with Waardenburg syndrome type 2 also found that some patients did not have any mutations in this region.<ref name=":0" /><ref>{{cite journal | vauthors = Hughes AE, Newton VE, Liu XZ, Read AP | title = A gene for Waardenburg syndrome type 2 maps close to the human homologue of the microphthalmia gene at chromosome 3p12-p14.1 | journal = Nature Genetics | volume = 7 | issue = 4 | pages = 509–12 | date = August 1994 | pmid = 7951321 | doi = 10.1038/ng0894-509 }}</ref> A second 1994 study found a link to chromosome 1 in the locus 1p21–p13.3. This became known as type 2B of the condition, however it has not been documented since, and the gene responsible remains unknown.<ref name=":0" /><ref name=":102">{{cite journal| vauthors = Lalwani AK, San Agustin TB, Wilcox ER |date=1994-09-01|title=A locus for Waardenburg syndrome type II maps to chromosome 1p13.3-2.1|journal=American Journal of Human Genetics|language=English|volume=55|issue=Suppl.3|osti=133315}}</ref>
'''WS2B''' is a gene that encodes a protein involved in various cellular processes. It is part of the [[WS2]] family of genes, which are known to play a role in the development of certain tissues and organs. The WS2B gene is particularly important in the context of [[Waardenburg syndrome]], a genetic condition characterized by hearing loss and changes in pigmentation.


== References ==
==Function==
{{Reflist}}
The WS2B gene encodes a protein that is involved in the regulation of [[melanocyte]] development. Melanocytes are cells responsible for the production of [[melanin]], the pigment that gives color to the skin, hair, and eyes. The protein produced by WS2B is thought to interact with other proteins in the [[melanogenesis]] pathway, influencing the proliferation and differentiation of melanocytes.


{{gene-1-stub}}
==Clinical Significance==
{{stb}}
Mutations in the WS2B gene have been associated with [[Waardenburg syndrome type 2]], a subtype of Waardenburg syndrome. This condition is characterized by varying degrees of [[sensorineural hearing loss]] and pigmentation abnormalities, such as [[heterochromia iridum]] (different colored eyes), white forelock, and patches of depigmented skin.
{{No image}}
 
===Waardenburg Syndrome===
[[Waardenburg syndrome]] is a group of genetic conditions that can cause hearing loss and changes in pigmentation. It is divided into several types, with type 2 (WS2) being one of the most common. WS2 is further subdivided into types 2A, 2B, and others, based on the specific genetic mutations involved.
 
==Genetics==
The WS2B gene is located on a specific chromosome, and its mutations can be inherited in an [[autosomal dominant]] pattern. This means that a single copy of the mutated gene, inherited from one parent, is sufficient to cause the disorder. However, the expression of symptoms can vary widely among individuals with the same genetic mutation.
 
==Research==
Ongoing research is focused on understanding the precise molecular mechanisms by which WS2B mutations lead to the clinical features of Waardenburg syndrome. Studies are also exploring potential therapeutic approaches to manage or correct the effects of these mutations.
 
==Related pages==
* [[Waardenburg syndrome]]
* [[Melanocyte]]
* [[Melanin]]
* [[Sensorineural hearing loss]]
 
[[Category:Genetics]]
[[Category:Medical genetics]]
[[Category:Proteins]]

Latest revision as of 19:04, 22 March 2025

Overview of WS2B


WS2B[edit]

WS2B is a gene that encodes a protein involved in various cellular processes. It is part of the WS2 family of genes, which are known to play a role in the development of certain tissues and organs. The WS2B gene is particularly important in the context of Waardenburg syndrome, a genetic condition characterized by hearing loss and changes in pigmentation.

Function[edit]

The WS2B gene encodes a protein that is involved in the regulation of melanocyte development. Melanocytes are cells responsible for the production of melanin, the pigment that gives color to the skin, hair, and eyes. The protein produced by WS2B is thought to interact with other proteins in the melanogenesis pathway, influencing the proliferation and differentiation of melanocytes.

Clinical Significance[edit]

Mutations in the WS2B gene have been associated with Waardenburg syndrome type 2, a subtype of Waardenburg syndrome. This condition is characterized by varying degrees of sensorineural hearing loss and pigmentation abnormalities, such as heterochromia iridum (different colored eyes), white forelock, and patches of depigmented skin.

Waardenburg Syndrome[edit]

Waardenburg syndrome is a group of genetic conditions that can cause hearing loss and changes in pigmentation. It is divided into several types, with type 2 (WS2) being one of the most common. WS2 is further subdivided into types 2A, 2B, and others, based on the specific genetic mutations involved.

Genetics[edit]

The WS2B gene is located on a specific chromosome, and its mutations can be inherited in an autosomal dominant pattern. This means that a single copy of the mutated gene, inherited from one parent, is sufficient to cause the disorder. However, the expression of symptoms can vary widely among individuals with the same genetic mutation.

Research[edit]

Ongoing research is focused on understanding the precise molecular mechanisms by which WS2B mutations lead to the clinical features of Waardenburg syndrome. Studies are also exploring potential therapeutic approaches to manage or correct the effects of these mutations.

Related pages[edit]