BCAR3

Breast cancer anti-estrogen resistance 3

Available structures

Ortholog search: PDBe, RCSB

List of PDB id codes
3T6A

Identifiers

Symbols

BCAR3 ; NSP2; SH2D3B

External IDs

OMIM: 604704 MGI: 1352501 HomoloGene: 31181 ChEMBL: 3177 GeneCards: BCAR3 Gene

Gene ontology
Molecular function	• guanyl-nucleotide exchange factor activity • protein binding
Cellular component	• intracellular
Biological process	• lens morphogenesis in camera-type eye • signal transduction • small GTPase mediated signal transduction • positive regulation of peptidyl-serine phosphorylation • response to drug • positive regulation of GTPase activity
Sources: Amigo / QuickGO

RNA expression pattern

More reference expression data

Orthologs

Species

Human

Mouse

RefSeq (mRNA)

RefSeq (protein)

Location (UCSC)

Chr 1:
93.56 – 93.85 Mb

Chr 3:
122.29 – 122.53 Mb

PubMed search

Breast cancer anti-estrogen resistance protein 3 is a protein that in humans is encoded by the BCAR3 gene.^[1]^[2]

Function

Breast tumors are initially dependent on estrogens for growth and progression and can be inhibited by anti-estrogens such as tamoxifen. However, breast cancers progress to become anti-estrogen resistant. Breast cancer anti-estrogen resistance gene 3 was identified in the search for genes involved in the development of estrogen resistance. The gene encodes a component of intracellular signal transduction that causes estrogen-independent proliferation in human breast cancer cells. The protein contains a putative src homology 2 (SH2) domain, a hallmark of cellular tyrosine kinase signaling molecules, and is partly homologous to the cell division cycle protein CDC48.^[2]

References

↑ van Agthoven T, van Agthoven TL, Dekker A, van der Spek PJ, Vreede L, Dorssers LC (Jul 1998). "Identification of BCAR3 by a random search for genes involved in antiestrogen resistance of human breast cancer cells". EMBO J 17 (10): 2799–808. doi:10.1093/emboj/17.10.2799. PMC 1170620. PMID 9582273.
1 2 "Entrez Gene: BCAR3 breast cancer anti-estrogen resistance 3".

Dorssers LC, van Agthoven T (1997). "Genetic mechanisms of estrogen-independence in breast cancer.". Pathol. Res. Pract. 192 (7): 743–51. doi:10.1016/S0344-0338(96)80096-3. PMID 8880875.
Johnston SR (1998). "Acquired tamoxifen resistance in human breast cancer--potential mechanisms and clinical implications.". Anticancer Drugs 8 (10): 911–30. doi:10.1097/00001813-199711000-00002. PMID 9436634.
Lu Y, Brush J, Stewart TA (1999). "NSP1 defines a novel family of adaptor proteins linking integrin and tyrosine kinase receptors to the c-Jun N-terminal kinase/stress-activated protein kinase signaling pathway.". J. Biol. Chem. 274 (15): 10047–52. doi:10.1074/jbc.274.15.10047. PMID 10187783.
Strausberg RL, Feingold EA, Grouse LH; et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences.". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
Cai D, Felekkis KN, Near RI; et al. (2003). "The GDP exchange factor AND-34 is expressed in B cells, associates with HEF1, and activates Cdc42.". J. Immunol. 170 (2): 969–78. doi:10.4049/jimmunol.170.2.969. PMID 12517963.
Clark HF, Gurney AL, Abaya E; et al. (2003). "The secreted protein discovery initiative (SPDI), a large-scale effort to identify novel human secreted and transmembrane proteins: a bioinformatics assessment.". Genome Res. 13 (10): 2265–70. doi:10.1101/gr.1293003. PMC 403697. PMID 12975309.
Ota T, Suzuki Y, Nishikawa T; et al. (2004). "Complete sequencing and characterization of 21,243 full-length human cDNAs.". Nat. Genet. 36 (1): 40–5. doi:10.1038/ng1285. PMID 14702039.
Gerhard DS, Wagner L, Feingold EA; et al. (2004). "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC).". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMC 528928. PMID 15489334.
Dorssers LC, van Agthoven T, Brinkman A; et al. (2006). "Breast cancer oestrogen independence mediated by BCAR1 or BCAR3 genes is transmitted through mechanisms distinct from the oestrogen receptor signalling pathway or the epidermal growth factor receptor signalling pathway.". Breast Cancer Res. 7 (1): R82–92. doi:10.1186/bcr954. PMC 1064102. PMID 15642172.
Felekkis KN, Narsimhan RP, Near R; et al. (2005). "AND-34 activates phosphatidylinositol 3-kinase and induces anti-estrogen resistance in a SH2 and GDP exchange factor-like domain-dependent manner.". Mol. Cancer Res. 3 (1): 32–41. PMID 15671247.
Gregory SG, Barlow KF, McLay KE; et al. (2006). "The DNA sequence and biological annotation of human chromosome 1.". Nature 441 (7091): 315–21. doi:10.1038/nature04727. PMID 16710414.
Beausoleil SA, Villén J, Gerber SA; et al. (2006). "A probability-based approach for high-throughput protein phosphorylation analysis and site localization.". Nat. Biotechnol. 24 (10): 1285–92. doi:10.1038/nbt1240. PMID 16964243.
Olsen JV, Blagoev B, Gnad F; et al. (2006). "Global, in vivo, and site-specific phosphorylation dynamics in signaling networks.". Cell 127 (3): 635–48. doi:10.1016/j.cell.2006.09.026. PMID 17081983.
Vervoort VS, Roselli S, Oshima RG, Pasquale EB (2007). "Splice variants and expression patterns of SHEP1, BCAR3 and NSP1, a gene family involved in integrin and receptor tyrosine kinase signaling.". Gene 391 (1-2): 161–70. doi:10.1016/j.gene.2006.12.016. PMC 1876674. PMID 17270363.
Ewing RM, Chu P, Elisma F; et al. (2007). "Large-scale mapping of human protein-protein interactions by mass spectrometry.". Mol. Syst. Biol. 3 (1): 89. doi:10.1038/msb4100134. PMC 1847948. PMID 17353931.
Near RI, Zhang Y, Makkinje A; et al. (2007). "AND-34/BCAR3 differs from other NSP homologs in induction of anti-estrogen resistance, cyclin D1 promoter activation and altered breast cancer cell morphology.". J. Cell. Physiol. 212 (3): 655–65. doi:10.1002/jcp.21059. PMC 2640322. PMID 17427198.
Schrecengost RS, Riggins RB, Thomas KS; et al. (2007). "Breast cancer antiestrogen resistance-3 expression regulates breast cancer cell migration through promotion of p130Cas membrane localization and membrane ruffling.". Cancer Res. 67 (13): 6174–82. doi:10.1158/0008-5472.CAN-06-3455. PMID 17616674.

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BCAR3

Function

References

Further reading