Target General Infomation
Target ID
T15000
Former ID
TTDC00259
Target Name
Cytotoxic T-lymphocyte protein 4
Gene Name
CTLA4
Synonyms
CD152; CTLA-4; Cytotoxic T-lymphocyte-associated antigen 4; CTLA4
Target Type
Successful
Disease Autoimmune diabetes [ICD10: E08-E13]
Cancer [ICD9: 140-229; ICD10: C00-C96]
Late-stage melanoma; Prostate cancer [ICD9:172, 185; ICD10: C43, C61]
Rheumatoid arthritis [ICD9: 710-719, 714; ICD10: M05-M06]
Solid tumours [ICD9: 140-199, 210-229; ICD10: C00-D48]
Function
Possibly involved in T-cell activation. Binds to B7-1 (CD80) and B7-2 (CD86).
BioChemical Class
Immunoglobulin
Target Validation
T15000
UniProt ID
Sequence
MACLGFQRHKAQLNLATRTWPCTLLFFLLFIPVFCKAMHVAQPAVVLASSRGIASFVCEY
ASPGKATEVRVTVLRQADSQVTEVCAATYMMGNELTFLDDSICTGTSSGNQVNLTIQGLR
AMDTGLYICKVELMYPPPYYLGIGNGTQIYVIDPEPCPDSDFLLWILAAVSSGLFFYSFL
LTAVSLSKMLKKRSPLTTGVYVKMPPTEPECEKQFQPYFIPIN
Drugs and Mode of Action
Drug(s) Ipilimumab Drug Info Approved Late-stage melanoma; Prostate cancer [1], [2], [3]
Tremelimumab Drug Info Phase 3 Solid tumours [4], [5]
Inhibitor Alpha-D-Mannose Drug Info [6]
Fucose Drug Info [6]
Modulator Concatameric CTLA4Ig Drug Info [7]
CTLA-4-XTEN Drug Info [7]
Tremelimumab Drug Info [7]
Target Expression Profile (TEP) and Drug Resistance Mutation (DRM)
TEP EXP Info
Pathways
KEGG Pathway Cell adhesion molecules (CAMs)
T cell receptor signaling pathway
Autoimmune thyroid disease
Rheumatoid arthritis
Pathway Interaction Database Calcineurin-regulated NFAT-dependent transcription in lymphocytes
Reactome CTLA4 inhibitory signaling
WikiPathways Vitamin D Receptor Pathway
T-Cell Receptor and Co-stimulatory Signaling
Allograft Rejection
Costimulation by the CD28 family
References
REF 1Mullard A: 2010 FDA drug approvals. Nat Rev Drug Discov. 2011 Feb;10(2):82-5.
REF 22011 FDA drug approvals. Nat Rev Drug Discov. 2012 Feb 1;11(2):91-4.
REF 3(http://www.guidetopharmacology.org/) Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 6888).
REF 4ClinicalTrials.gov (NCT02551159) Phase III Open Label First Line Therapy Study of MEDI 4736 With or Without Tremelimumab Versus Standard of Care (SOC) in SCCHN.
REF 5(http://www.guidetopharmacology.org/) Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 8462).
REF 6How many drug targets are there? Nat Rev Drug Discov. 2006 Dec;5(12):993-6.
REF 7(http://www.guidetopharmacology.org/) Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Target id: 2743).

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