نتایج جستجو برای: ژن abcg2
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The human ATP-binding cassette superfamily G (White) member 2 (ABCG2) gene and its murine homologue breast cancer resistance protein 1 (Bcrp1) are recently described ATP-binding cassette transporters associated with drug resistance in tumor cell lines, including the MCF-7 cell line, selected for its resistance to mitoxantrone (MCF-7/ MitoR). Infection of MCF-7 cells with the retroviral vector c...
ABCG2 is involved in epithelial transport/barrier functions. Here, we have investigated its ability to transport bile acids in liver and placenta. Cholylglycylamido fluorescein (CGamF) was exported by WIF-B9/R cells, which do not express the bile salt export pump (BSEP). Sensitivity to typical inhibitors suggested that CGamF export was mainly mediated by ABCG2. In Chinese hamster ovary (CHO cel...
The ATP-binding cassette, subfamily G, isoform 2 protein (ABCG2) is an important member of the ABC transporter superfamily, which has been suggested to be involved in multidrug resistance (MDR) in cancer. Its diverse range of substrates includes many common chemotherapeutics such as imatinib, doxorubicin, and mitoxantrone. Physiologically, ABCG2 is highly expressed in areas such as the blood-br...
Gout/hyperuricemia is a common multifactorial disease having typical environmental risks. Recently, common dysfunctional variants of ABCG2, a urate exporter gene also known as BCRP, are revealed to be a major cause of gout/hyperuricemia. Here, we compared the influence of ABCG2 dysfunction on serum uric acid (SUA) levels with other typical risk factors in a cohort of 5,005 Japanese participants...
ABCG2 is one of three human ATP binding cassette transporters that are functionally capable of exporting a diverse range of substrates from cells. The physiological consequence of ABCG2 multidrug transport activity in leukaemia, and some solid tumours is the acquisition of cancer multidrug resistance. ABCG2 has a primary structure that infers that a minimal functional transporting unit would be...
Breast cancer resistance protein (ABCG2), a member of the ATP-binding cassette transporters has been identified as a major determinant of multidrug resistance (MDR) in cancer cells, but ABC transporter inhibition has limited therapeutic value in vivo. In this research, we demonstrated that inhibition of efflux transporters ABCG2 induced the generation of tolerogenic DCs from human peripheral bl...
Stem and progenitor cell populations occupy a specialized niche and are consequently exposed to hypoxic as well as oxidative stresses. We have previously established that the multidrug resistance protein Abcg2 is the molecular determinant of the side population (SP) progenitor cell population. We observed that the cardiac SP cells increase in number more than 3-fold within 3 days of injury. Tra...
The effects of 9 calcium antagonists on ABCG2/BCRP-mediated resistance and transport were examined in HeLa and SN-38-resistant HeLa (HeLa/SN100) cells, overexpressing ABCG2/BCRP. Sensitivity to mitoxantrone, an ABCG2/BCRP substrate, in HeLa/SN100 cells was significantly reversed by the coexistence of the calcium antagonists, except for diltiazem a...
BACKGROUND Under appropriate culture conditions, undifferentiated embryonic stem (ES) cells can undergo multiple self-renewal cycles without loss of pluripotency suggesting they must be equipped with specific defense mechanisms to ensure sufficient genetic stability during self-renewal expansion. The ATP binding cassette transporter ABCG2 is expressed in a wide variety of somatic and embryonic ...
The cervical lymph node metastasis of Oral Squamous Cell Carcinoma (OSCC) has been considered to be the main causes of death. The aim of our study was to clarify the expression pattern of ABCG2 and podoplanin in OSCC tissues and corresponding cervical lymph node, and evaluate the diagnostic value of ABCG2 and podoplanin in OSCC for tumorigenesis, histological stage and clinical prognosis. ABCG2...
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