HLA-B75
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HLA-B75 (B75) is an HLA- B serotype. The serotype identifies certain B*15 gene-allele protein products of HLA-B. B75 is one of many
split antigen Split(s) or The Split may refer to: Places * Split, Croatia, the largest coastal city in Croatia * Split Island, Canada, an island in the Hudson Bay * Split Island, Falkland Islands * Split Island, Fiji, better known as Hạfliua Arts, entert ...
s of the broad antigen, B15. B75 (B*1502) is associated with a severe drug-induced skin condition in ethnic East Asians.


Serotype


Alleles


Diseases

HLA-B*1502 is associated with
Carbamazepine Carbamazepine (CBZ), sold under the trade name Tegretol among others, is an anticonvulsant medication used primarily in the treatment of epilepsy and neuropathic pain. It is used as an adjunctive treatment in schizophrenia along with other m ...
and
phenytoin Phenytoin (PHT), sold under the brand name Dilantin among others, is an anti-seizure medication. It is useful for the prevention of tonic-clonic seizures (also known as grand mal seizures) and focal seizures, but not absence seizures. The in ...
induced
Stevens–Johnson syndrome Stevens–Johnson syndrome (SJS) is a type of severe skin reaction. Together with toxic epidermal necrolysis (TEN) and Stevens–Johnson/toxic epidermal necrolysis (SJS/TEN), it forms a spectrum of disease, with SJS being less severe. Erythema ...
in Chinese and Thai. One study showed a 100% association between B*1502 and the drug induced skin disorder in Chinese. In Europe the B*1502 positive patients are only found in this syndrome of persons of East Asian descent, however B58 confers susceptibility to both groups but to a lesser degree and is sensitive to
allopurinol Allopurinol is a medication used to decrease high blood uric acid levels. It is specifically used to prevent gout, prevent specific types of kidney stones and for the high uric acid levels that can occur with chemotherapy. It is taken by mouth ...
.


References

{{HLA-B serotypes 7 Drug-sensitivity genes