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Target intelligence / Profile preview
Putative G antigen family E member 3 (PAGE2B)
- Target
- PAGE2B
- Molecular classification
- Other (Cancer-testis antigen family, CT antigen)
01
Overview
Putative G antigen family E member 3 (PAGE2B) is a member of the cancer/testis (CT) antigen family, encoded by the PAGE2B gene in humans. Structurally, it is a protein of unknown function with restricted normal tissue expression, reportedly limited to testis and prostate, while being aberrantly expressed in several types of tumors[4][5][10]. Like other CT antigens, PAGE2B is being investigated primarily for its role as a possible immunotherapeutic target or cancer biomarker. There are currently no known drugs or therapies directly targeting PAGE2B, and its precise biological role, molecular mechanism, and relevance in human disease beyond cancer association remain unclear[5][10].
- Other names
- PAGE family member 2BPAGE2BGAGEE3PAGE-2BCT16.5Prostate-associated gene 2B proteinPutative G antigen family E member 3
02
Mechanism of action
Not applicable/no known drug mechanism
03
Biological functions
Unknown/Other (No definitive function described for PAGE2B to date)Likely involved in processes shared among cancer/testis (CT) antigen family members, potentially related to proliferation or immune recognition
04
Disease associations
Cancer (as part of the cancer/testis antigen family, PAGE2B may be expressed in several cancers)Other (original discovery highlighted expression in prostate tissue and potentially testis)
05
Safety considerations
None known due to lack of established therapeutic targeting or drug development
06
Interacting drugs
None known
07
Biomarkers
Possible cancer biomarker due to aberrant expression in tumors. However, specific clinical utility is unproven.
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