ATP-binding cassette, sub-family G (WHITE), member 2, also known as ABCG2, is a human gene. ABCG2 has also been designated as CDw338 (cluster of differentiation w338).
The membrane-associated protein encoded by this gene is included in the superfamily of ATP-binding cassette (ABC) transporters. ABC proteins transport various molecules across extra- and intra-cellular membranes. ABC genes are divided into seven distinct subfamilies (ABC1, MDR/TAP, MRP, ALD, OABP, GCN20, White). This protein is a member of the White subfamily. Alternatively referred to as a breast cancer resistance protein, this protein functions as a xenobiotic transporter which may play a major role in multi-drug resistance. It likely serves as a cellular defense mechanism in response to mitoxantrone and anthracycline exposure. Significant expression of this protein has been observed in the placenta, which may suggest a potential role for this molecule in placenta tissue.[1]
See also
References
Further reading
- Abbott BL (2006). "ABCG2 (BCRP): a cytoprotectant in normal and malignant stem cells". Clin Adv Hematol Oncol. 4 (1): 63–72. PMID 16562373.
- Schmitz G, Langmann T, Heimerl S (2002). "Role of ABCG1 and other ABCG family members in lipid metabolism.". J. Lipid Res. 42 (10): 1513–20. PMID 11590207.
- Ejendal KF, Hrycyna CA (2003). "Multidrug resistance and cancer: the role of the human ABC transporter ABCG2.". Curr. Protein Pept. Sci. 3 (5): 503–11. PMID 12369998.
- Doyle LA, Ross DD (2003). "Multidrug resistance mediated by the breast cancer resistance protein BCRP (ABCG2).". Oncogene 22 (47): 7340–58. doi:10.1038/sj.onc.1206938. PMID 14576842.
- Sugimoto Y, Tsukahara S, Ishikawa E, Mitsuhashi J (2005). "Breast cancer resistance protein: molecular target for anticancer drug resistance and pharmacokinetics/pharmacodynamics.". Cancer Sci. 96 (8): 457–65. doi:10.1111/j.1349-7006.2005.00081.x. PMID 16108826.
- Ishikawa T, Tamura A, Saito H, et al. (2006). "Pharmacogenomics of the human ABC transporter ABCG2: from functional evaluation to drug molecular design.". Naturwissenschaften 92 (10): 451–63. doi:10.1007/s00114-005-0019-4. PMID 16160819.
- Krishnamurthy P, Schuetz JD (2006). "Role of ABCG2/BCRP in biology and medicine.". Annu. Rev. Pharmacol. Toxicol. 46: 381–410. doi:10.1146/annurev.pharmtox.46.120604.141238. PMID 16402910.
- Robey RW, Polgar O, Deeken J, et al. (2007). "ABCG2: determining its relevance in clinical drug resistance.". Cancer Metastasis Rev. 26 (1): 39–57. doi:10.1007/s10555-007-9042-6. PMID 17323127.
External links
This article incorporates text from the United States National Library of Medicine, which is in the public domain.
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Proteins: clusters of differentiation (see also list of human clusters of differentiation) |
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| 1-50 |
CD1 ( a-c, 1A, 1D, 1E) - CD2 - CD3 ( γ, δ, ε) - CD4 - CD5 - CD6 - CD7 - CD8 ( a) - CD9 - CD10 - CD11 ( a, b, c) - CD13 - CD14 - CD15 - CD16 ( A, B) - CD18 - CD19 - CD20 - CD21 - CD22 - CD23 - CD24 - CD25 - CD26 - CD27 - CD28 - CD29 - CD30 - CD31 - CD32 ( A, B) - CD33 - CD34 - CD35 - CD36 - CD37 - CD38 - CD39 - CD40 - CD41- CD42 ( a, b, c, d) - CD43 - CD44 - CD45 - CD46 - CD47 - CD48 - CD49 ( a, b, c, d, e, f) - CD50
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| 51-100 |
CD51 - CD52 - CD53 - CD54 - CD55 - CD56 - CD57- CD58 - CD59 - CD61 - CD62 ( E, L, P) - CD63 - CD64 - CD66 ( a, b, c, d, e, f) - CD68 - CD69 - CD70 - CD71 - CD72 - CD73 - CD74 - CD79 ( a, b) - CD80 - CD81 - CD82 - CD83 - CD84 - CD85 ( a, d, e, h, j, k) - CD86 - CD87 - CD88 - CD89 - CD90 - CD91- CD92 - CD93 - CD94 - CD95 - CD97 - CD98 - CD99 - CD100
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| 101-150 |
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| 151-200 |
CD151 - CD152 - CD153 - CD154 - CD155 - CD156 ( a, b, c) - CD157 - CD158 ( a, d, e, i, k) - CD159 ( a, c) - CD160 - CD161 - CD162 - CD163 - CD164 - CD166 - CD167 ( a, b) - CD168 - CD169 - CD170 - CD171 - CD172 ( a, b, g) - CD174 - CD177 - CD178 - CD179 ( a, b) - CD181 - CD182 - CD183 - CD184 - CD185 - CD186 - CD191 - CD192 - CD193 - CD194 - CD195 - CD196 - CD197 - CDw198 - CDw199 - CD200
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| 201-250 |
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| 251-300 |
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| 301-350 |
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Membrane proteins, carrier proteins: membrane transport proteins |
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| ABC-transporter |
A1, A2, A3, A4, A7, A8, A12
B1, B2-3, B2, B3, B4, B5, B6, B7, B9, B11
C1, C2, C3, C4, C5, C6, C8, C8-9, C10, C13, C11
D1, D2, D3, D4, E1, F1, F2
G1, G2, G4, Sterolin ( G5, G8)
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| Solute carrier |
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1-10
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1A1-7, 1A1, 1A2, 1A3, 1A4, 1A5
Glucose transporter: 2A1 (GLUT1), 2A2 (GLUT2), 2A3 (GLUT3), 2A4 (GLUT4), 2A5 (GLUT5), 2A6 (SLC2A6), 2A8 (GLUT8), 2A9, 2A10, 2A12
3A1, 3A2, 4A1, 4A2, 4A3, 4A4, 4A5, 4A7, 4A8, 4A11, 5A1-2, 5A1, 5A3, 5A5, 5A8, 6A1, 6A2, 6A3, 6A4, 6A5, 6A8, 6A9, 6A19, 7A1, 7A2, 7A3, 7A4, 7A5, 7A7, 7A8, 7A9, 7A11, 8A1-3, 9A1, 9A2, 9A3, 9A3R1, 9A3R2, 9A5, 9A6, 9A8, 10A1, 10A2, 10A3, 10A7
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11-20
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11A1, 11A2, 11A3, 12A1-2, 12A3, 12A4, 12A5, 12A6, 12A7, 14A1, 13A3, 14A2, 15A1, 15A2, 16A1, 16A2, 16A3, 16A4, 17A1, 17A5, 17A6-8, 17A7, 18A1, 18A2, 18A3, 19A1, 19A2, 19A3, 20A1, 20A2
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21-30
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22A1, 22A2, 22A3, 22A4, 22A5, 22A6, 22A7, 22A9, 22A11, 22A12, 22A18, 23A1, 23A2, 24A1-2, 24A5, 25A1, 25A3, 25A4, 25A4-6, 25A8, 25A10, 25A11, 25A12, 25A13, 25A14, 25A15, 25A17, 25A19, 25A20, 25A27, 25A31, 25A37, 25A39, 26A2, 26A3, 26A4, 26A5, 26A6, 26A7, 26A8, 27A1, 27A2, 27A3, 27A4, 28A1, 28A2, 29A1, 29A2, 29A4, 30A1, 30A4, 30A7, 30A8
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31-40
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31A1, 31A2, 32A1, 34A1, 34A2, 34A3, 35A1, 35A2, 35B2, 35B4, 35C1, 36A1, 37A4, 38A2, 38A3, 39A1, 39A2, 39A3, 39A4, 39A6, 39A7
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41-45
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O
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| Other |
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