Albinism classification: Difference between revisions
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** [[Oculocutaneous albinism]]([[OCA]]); 4 subtypes | ** [[Oculocutaneous albinism]]([[OCA]]); 4 subtypes | ||
** [[Hermansky-Pudlak syndrome]] ([[HPS]]); 8 subtypes | ** [[Hermansky-Pudlak syndrome]] ([[HPS]]); 8 subtypes | ||
** [[Chediak-Higashi syndrome]] ([[CHS]]) | ** [[Chediak-Higashi syndrome]] ([[CHS]]); 1 type | ||
** [[Ocular albinism]] ([[OA]]) | ** [[Ocular albinism]] ([[OA]]); 2 types | ||
{| class="wikitable" | {| class="wikitable" | ||
|+ | |+ | ||
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| style="background:#DCDCDC;" align="center" + | OCA1 | | style="background:#DCDCDC;" align="center" + | OCA1 | ||
| style="background:#F5F5F5;" +|11q14-21 | | style="background:#F5F5F5;" +|11q14-21 | ||
| style="background:#F5F5F5;" +| Tyrosinase | | style="background:#F5F5F5;" +| [[Tyrosinase]] | ||
|- | |- | ||
| style="background:#DCDCDC;" align="center" + |OCA2 | | style="background:#DCDCDC;" align="center" + |OCA2 | ||
| style="background:#F5F5F5;" +|15q11-13 | | style="background:#F5F5F5;" +|15q11-13 | ||
| style="background:#F5F5F5;" +|P protein | | style="background:#F5F5F5;" +|[[P-protein]] | ||
|- | |- | ||
| style="background:#DCDCDC;" align="center" + |OCA3 | | style="background:#DCDCDC;" align="center" + |OCA3 | ||
| style="background:#F5F5F5;" + |9p23 | | style="background:#F5F5F5;" + |9p23 | ||
| style="background:#F5F5F5;" + |Tyrosinase-related protein | | style="background:#F5F5F5;" + |[[Tyrosinase-related protein]] | ||
|- | |- | ||
| style="background:#DCDCDC;" align="center" + |OCA4 | | style="background:#DCDCDC;" align="center" + |OCA4 | ||
| style="background:#F5F5F5;" + |5p | | style="background:#F5F5F5;" + |5p | ||
| style="background:#F5F5F5;" + | SLC45A2 | | style="background:#F5F5F5;" + | [[SLC45A2]] | ||
|- | |- | ||
| style="background:#DCDCDC;" align="center" + | HPS1 | | style="background:#DCDCDC;" align="center" + | HPS1 | ||
| style="background:#F5F5F5;" + |10q23.1-q23.3 | | style="background:#F5F5F5;" + |10q23.1-q23.3 | ||
| style="background:#F5F5F5;" + | HPS1 | | style="background:#F5F5F5;" + |[[HPS1]] | ||
|- | |- | ||
| style="background:#DCDCDC;" align="center" + |HPS2 | | style="background:#DCDCDC;" align="center" + |HPS2 | ||
| style="background:#F5F5F5;" + |5q14.1 | | style="background:#F5F5F5;" + |5q14.1 | ||
| style="background:#F5F5F5;" + | AP3B1 | | style="background:#F5F5F5;" + |[[AP3B1]] | ||
|- | |- | ||
| style="background:#DCDCDC;" align="center" + |HPS3 | | style="background:#DCDCDC;" align="center" + |HPS3 | ||
| style="background:#F5F5F5;" + |3q24 | | style="background:#F5F5F5;" + |3q24 | ||
| style="background:#F5F5F5;" + |HPS3 | | style="background:#F5F5F5;" + |[[HPS3]] | ||
|- | |- | ||
| style="background:#DCDCDC;" align="center" + |HPS4 | | style="background:#DCDCDC;" align="center" + |HPS4 | ||
| style="background:#F5F5F5;" + |22q11.2-q12.2 | | style="background:#F5F5F5;" + |22q11.2-q12.2 | ||
| style="background:#F5F5F5;" + |HPS4 | | style="background:#F5F5F5;" + |[[HPS4]] | ||
|- | |- | ||
| style="background:#DCDCDC;" align="center" + |HPS5 | | style="background:#DCDCDC;" align="center" + |HPS5 | ||
| style="background:#F5F5F5;" + |11p15-p13 | | style="background:#F5F5F5;" + |11p15-p13 | ||
| style="background:#F5F5F5;" + |HPS5 | | style="background:#F5F5F5;" + |[[HPS5]] | ||
|- | |- | ||
| style="background:#DCDCDC;" align="center" + |HPS6 | | style="background:#DCDCDC;" align="center" + |HPS6 | ||
| style="background:#F5F5F5;" + |10q24.3 | | style="background:#F5F5F5;" + |10q24.3 | ||
| style="background:#F5F5F5;" + |HPS6 | | style="background:#F5F5F5;" + |[[HPS6]] | ||
|- | |- | ||
| style="background:#DCDCDC;" align="center" + |HPS7 | | style="background:#DCDCDC;" align="center" + |HPS7 | ||
| style="background:#F5F5F5;" + |6p22.3 | | style="background:#F5F5F5;" + |6p22.3 | ||
| style="background:#F5F5F5;" + |Dysbindin protein | | style="background:#F5F5F5;" + |[[Dysbindin]] protein | ||
|- | |- | ||
| style="background:#DCDCDC;" align="center" + |HPS8 | | style="background:#DCDCDC;" align="center" + |HPS8 | ||
| style="background:#F5F5F5;" + |19q13 | | style="background:#F5F5F5;" + |19q13 | ||
| style="background:#F5F5F5;" + |BLOC1S3 | | style="background:#F5F5F5;" + |[[BLOC1S3]] | ||
|- | |||
| style="background:#DCDCDC;" align="center" + |CHS | |||
| style="background:#F5F5F5;" + |1q42.1-q42.2 | |||
| style="background:#F5F5F5;" + |[[Lysosomal trafficking regulator]] | |||
|- | |||
| style="background:#DCDCDC;" align="center" + |OA ([[X-linked recessive]]) | |||
| style="background:#F5F5F5;" + |Xp22.3 | |||
| style="background:#F5F5F5;" + |[[GPR143]] | |||
|- | |||
| style="background:#DCDCDC;" align="center" + |AROA( [[autosomal recessive]]) | |||
| style="background:#F5F5F5;" + |Not a distinct position | |||
| style="background:#F5F5F5;" + |[[Tyrosinase]] in some cases;[[P protein]] in some cases | |||
|} | |} | ||
Revision as of 18:18, 17 August 2021
Albinism Microchapters |
Diagnosis |
---|
Treatment |
Case Studies |
Albinism classification On the Web |
American Roentgen Ray Society Images of Albinism classification |
Risk calculators and risk factors for Albinism classification |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Shadan Mehraban, M.D.[2]
Overview
Classification
- Albinism is classified based on genetic mutation
- The different types and subtypes include:
- Oculocutaneous albinism(OCA); 4 subtypes
- Hermansky-Pudlak syndrome (HPS); 8 subtypes
- Chediak-Higashi syndrome (CHS); 1 type
- Ocular albinism (OA); 2 types
Type | Gene Position | Affected Protein |
---|---|---|
OCA1 | 11q14-21 | Tyrosinase |
OCA2 | 15q11-13 | P-protein |
OCA3 | 9p23 | Tyrosinase-related protein |
OCA4 | 5p | SLC45A2 |
HPS1 | 10q23.1-q23.3 | HPS1 |
HPS2 | 5q14.1 | AP3B1 |
HPS3 | 3q24 | HPS3 |
HPS4 | 22q11.2-q12.2 | HPS4 |
HPS5 | 11p15-p13 | HPS5 |
HPS6 | 10q24.3 | HPS6 |
HPS7 | 6p22.3 | Dysbindin protein |
HPS8 | 19q13 | BLOC1S3 |
CHS | 1q42.1-q42.2 | Lysosomal trafficking regulator |
OA (X-linked recessive) | Xp22.3 | GPR143 |
AROA( autosomal recessive) | Not a distinct position | Tyrosinase in some cases;P protein in some cases |