Cytochrome P450CYP3A in human renal cell cancer

G I Murray, M C E McFadyen, R T Mitchell, Y L Cheung, A C Kerr, W T Melvin

Research output: Contribution to journalArticle

65 Citations (Scopus)

Abstract

Renal cell cancer is the main malignant tumour of the kidney and has an increasing incidence. This type of tumour has a poor prognosis and shows intrinsic resistance to several anti-cancer drugs. The CYP3A P450 family, which consists of three closely related forms, is involved in the oxidative activation and deactivation of a variety of carcinogens and several anti-cancer drugs. In this study the presence and cellular localization of CYP3A has been investigated using a combination of immunohistochemistry, immunoblotting and reverse transcriptase polymerase chain reaction (RT-PCR) in renal cell cancer and corresponding normal kidney. CYP3A was consistently expressed in both renal call cancer and in normal kidney. In renal cell cancer, CYP3A was localized to tumour cells and in normal kidney the predominant cellular localization of CYP3A was to proximal tubular epithelial cells. RT-PCR showed that both CYP3A5 mRNA and CYP3A7 mRNA were consistently present in both tumour and normal samples, while CYP3A4 mRNA was present in 65% of tumours and 90% of normal samples. This study indicates that individual members of the CYP3A family are expressed in renal cell cancer. The presence of CYPSA in renal cell cancer might be important in the metabolic potentiation as well as the detoxification of chemotherapeutic agents used to renal cancer.

Original languageEnglish
Pages (from-to)1836-1842
Number of pages7
JournalBritish Journal of Cancer
Volume79
Publication statusPublished - 1999

Keywords

  • cytochrome P450
  • kidney
  • neoplasm
  • DRUG-METABOLIZING-ENZYMES
  • SELECTIVE EXPRESSION
  • MONOCLONAL-ANTIBODY
  • HUMAN KIDNEY
  • FETAL LIVER
  • HUMAN COLON
  • HUMAN LUNG
  • LOCALIZATION
  • 3A
  • ACTIVATION

Cite this

Murray, G. I., McFadyen, M. C. E., Mitchell, R. T., Cheung, Y. L., Kerr, A. C., & Melvin, W. T. (1999). Cytochrome P450CYP3A in human renal cell cancer. British Journal of Cancer, 79, 1836-1842.

Cytochrome P450CYP3A in human renal cell cancer. / Murray, G I ; McFadyen, M C E ; Mitchell, R T ; Cheung, Y L ; Kerr, A C ; Melvin, W T .

In: British Journal of Cancer, Vol. 79, 1999, p. 1836-1842.

Research output: Contribution to journalArticle

Murray, GI, McFadyen, MCE, Mitchell, RT, Cheung, YL, Kerr, AC & Melvin, WT 1999, 'Cytochrome P450CYP3A in human renal cell cancer', British Journal of Cancer, vol. 79, pp. 1836-1842.
Murray GI, McFadyen MCE, Mitchell RT, Cheung YL, Kerr AC, Melvin WT. Cytochrome P450CYP3A in human renal cell cancer. British Journal of Cancer. 1999;79:1836-1842.
Murray, G I ; McFadyen, M C E ; Mitchell, R T ; Cheung, Y L ; Kerr, A C ; Melvin, W T . / Cytochrome P450CYP3A in human renal cell cancer. In: British Journal of Cancer. 1999 ; Vol. 79. pp. 1836-1842.
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AU - Murray, G I

AU - McFadyen, M C E

AU - Mitchell, R T

AU - Cheung, Y L

AU - Kerr, A C

AU - Melvin, W T

PY - 1999

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N2 - Renal cell cancer is the main malignant tumour of the kidney and has an increasing incidence. This type of tumour has a poor prognosis and shows intrinsic resistance to several anti-cancer drugs. The CYP3A P450 family, which consists of three closely related forms, is involved in the oxidative activation and deactivation of a variety of carcinogens and several anti-cancer drugs. In this study the presence and cellular localization of CYP3A has been investigated using a combination of immunohistochemistry, immunoblotting and reverse transcriptase polymerase chain reaction (RT-PCR) in renal cell cancer and corresponding normal kidney. CYP3A was consistently expressed in both renal call cancer and in normal kidney. In renal cell cancer, CYP3A was localized to tumour cells and in normal kidney the predominant cellular localization of CYP3A was to proximal tubular epithelial cells. RT-PCR showed that both CYP3A5 mRNA and CYP3A7 mRNA were consistently present in both tumour and normal samples, while CYP3A4 mRNA was present in 65% of tumours and 90% of normal samples. This study indicates that individual members of the CYP3A family are expressed in renal cell cancer. The presence of CYPSA in renal cell cancer might be important in the metabolic potentiation as well as the detoxification of chemotherapeutic agents used to renal cancer.

AB - Renal cell cancer is the main malignant tumour of the kidney and has an increasing incidence. This type of tumour has a poor prognosis and shows intrinsic resistance to several anti-cancer drugs. The CYP3A P450 family, which consists of three closely related forms, is involved in the oxidative activation and deactivation of a variety of carcinogens and several anti-cancer drugs. In this study the presence and cellular localization of CYP3A has been investigated using a combination of immunohistochemistry, immunoblotting and reverse transcriptase polymerase chain reaction (RT-PCR) in renal cell cancer and corresponding normal kidney. CYP3A was consistently expressed in both renal call cancer and in normal kidney. In renal cell cancer, CYP3A was localized to tumour cells and in normal kidney the predominant cellular localization of CYP3A was to proximal tubular epithelial cells. RT-PCR showed that both CYP3A5 mRNA and CYP3A7 mRNA were consistently present in both tumour and normal samples, while CYP3A4 mRNA was present in 65% of tumours and 90% of normal samples. This study indicates that individual members of the CYP3A family are expressed in renal cell cancer. The presence of CYPSA in renal cell cancer might be important in the metabolic potentiation as well as the detoxification of chemotherapeutic agents used to renal cancer.

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KW - kidney

KW - neoplasm

KW - DRUG-METABOLIZING-ENZYMES

KW - SELECTIVE EXPRESSION

KW - MONOCLONAL-ANTIBODY

KW - HUMAN KIDNEY

KW - FETAL LIVER

KW - HUMAN COLON

KW - HUMAN LUNG

KW - LOCALIZATION

KW - 3A

KW - ACTIVATION

M3 - Article

VL - 79

SP - 1836

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JO - British Journal of Cancer

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