The Potential for Serum p53 to Predict the Response to Chemotherapy of Patients with Gastric Cancer  

Oleh:

Zhang, J. ; Hu, X. ; He, C

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: The Journal of International Medical Research vol. 38 no. 02 (Mar. 2010), page 423-431.
Topik: CANCER; gastric cancer; chemotherapy; p53; permeability glycoprotein (P-GP); chemotherapy marker

Ketersediaan

Perpustakaan FK Nomor Panggil: J11.K.2010.01 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

This study was designed to investigate the relationship between serum p53, tissue p53 and tissue permeability glycoprotein (P-gp) levels in gastric cancer. Serum levels of p53 were detected by enzyme-linked immunosorbent assay, and tissue p53 and P-gp levels were analysed by immunohistochemistry. In total, 63.0% of gastric cancer tissue samples tested positive for P-gp and 58.7% of samples tested positive for p53. Tissue P-gp immunoreactivity was significantly correlated with tissue p53 immunoreactivity, and both tissue p53 and P-gp immunoreactivity were significantly correlated to the degree of cancer cell differentiation. The percentage of gastric cancer patients with serum positive for p53 was 36.2%, which was significantly higher than the rate in non-cancerous gastric disease patients. Serum p53 was significantly correlated to tissue p53 and tissue P-gp, inferring that the presence of p53 in the serum could indicate the status of tissue p53 and P-gp. This could, therefore, be useful for screening for the most appropriate (lowest toxicity and highest effectiveness) drugs to use ahead of (neo)-adjuvant chemotherapy.

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