Abstract:
AIM:To evaluate the effects of p53 on apoptosis and proliferation of hepatocellular carcinoma (HCC) cells treated with transcatheter arterial chemoembolization (TACE). METHODS:A total of 136 patients with HCC received TACE and other management before surgery were divided into TACE group and non-TACE group. TACE group included 79 patients who had 1-5 courses of TACE before surgery, of them, 11 patients had 1-4 courses of chemotherapy (group A), 33 patients had 1-5 courses of chemotherapy combined with iodized oil (group B), 23 patients had 1-3 courses of chemotherapy, iodized oil and gelatin sponge (group C), 12 patients had 1-3 courses of chemotherapy combined with iodized oil, ethanol and gelatin sponge (group D). Non-TACE group included the remaining 57 patients who had surgery only. The extent of apoptosis was analyzed by transferase mediated dUTP nick end labeling (TUNEL) staining. The expressions of p53, Bcl-2, Bax, Ki-67 and PCNA protein were detected by immunohistochemical method. RESULTS:P53 protein expressions in trabecular and clear cells in HCC specimens were significantly lower than that in pseudoglandular, solid, poorly differentiated or undifferentiated and sclerosis HCC (P<0.05). Expression of p53 protein in HCC cells increased with the increase of pathological grades (P<0.05), and correlated positively with expressions of Ki-67 and PCNA protein, and negatively with Bcl-2 to Bax protein expression rate and AI (P<0.05). Expression of p53 protein was significantly higher in group A than in groups B, C, D and the non-TACE group, and was higher in group B than in groups C and D, and lower in group D than in the non-TACE group (P<0.05). CONCLUSION:Expression of p53 protein can enhance proliferation of HCC cells and suppress apoptosis of HCC cells after TACE.
journal_name
World J Gastroenteroljournal_title
World journal of gastroenterologyauthors
Xiao EH,Li JQ,Huang JFdoi
10.3748/wjg.v10.i2.190keywords:
subject
Has Abstractpub_date
2004-01-15 00:00:00pages
190-4issue
2eissn
1007-9327issn
2219-2840journal_volume
10pub_type
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