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Combined examination of p27(Kip1), p21(Waf1/Cip1) and p53 expression allows precise estimation of prognosis in patients with gastric carcinoma. 2001

X P Liu, and S Kawauchi, and A Oga, and Y Suehiro, and K Tsushimi, and M Tsushimi, and K Sasaki
Department of Pathology, Yamaguchi University School of Medicine, Ube, Yamaguchi, 1-1-1 Minami-Kogushi, Ube, Yamaguchi 755-8505, Japan. xpliu@po.cc.yamaguchi-u.ac.jp

OBJECTIVE In order to estimate the prognostic values of p27(Kip1), p21(Waf1/Cip1), and p53, alone and in combination, we investigated immunohistochemically the expression of p27(Kip1), p21(Waf1/Cip1), and p53 proteins in gastric carcinomas. RESULTS The expression of p27(Kip1), p21(Waf1/Cip1), and p53 was immunohistochemically examined in 140 gastric carcinomas. Positive expression of p27(Kip1) and p21(Waf1/Cip1) correlated significantly with a favourable prognosis (P < 0.05), whereas, positive expression of p53 tended to correlate with poor prognosis. Multivariate survival analysis revealed that TNM stage of tumour (P < 0.001), lymph node state (P=0.005), and p27(Kip1) expression (P=0.006) were independent prognostic factors. A striking stratification of mortality rate was found when patients were divided into four groups according to the expression of p21(Waf1/Cip1) and p27(Kip1). The mortality rate was higher in patients with both p21(Waf1/Cip1)- and p27(Kip1)-negative gastric carcinoma than in patients with one or both positive carcinomas (P < 0.01). In addition, if the four p21(Waf1/Cip1)/p27(Kip1) groups were compared based on p53 status, p53+ cases tended to have a higher mortality rate than p53- cases. CONCLUSIONS Our results suggest that low expression of both p27(Kip1) and p21(Waf1/Cip1), could be useful as markers of poorer prognosis, and the combined examination of p27(Kip1), p21(Waf1/Cip1) and p53 expression allows reliable estimation of prognosis for patients with gastric carcinoma.

UI MeSH Term Description Entries
D007150 Immunohistochemistry Histochemical localization of immunoreactive substances using labeled antibodies as reagents. Immunocytochemistry,Immunogold Techniques,Immunogold-Silver Techniques,Immunohistocytochemistry,Immunolabeling Techniques,Immunogold Technics,Immunogold-Silver Technics,Immunolabeling Technics,Immunogold Silver Technics,Immunogold Silver Techniques,Immunogold Technic,Immunogold Technique,Immunogold-Silver Technic,Immunogold-Silver Technique,Immunolabeling Technic,Immunolabeling Technique,Technic, Immunogold,Technic, Immunogold-Silver,Technic, Immunolabeling,Technics, Immunogold,Technics, Immunogold-Silver,Technics, Immunolabeling,Technique, Immunogold,Technique, Immunogold-Silver,Technique, Immunolabeling,Techniques, Immunogold,Techniques, Immunogold-Silver,Techniques, Immunolabeling
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011379 Prognosis A prediction of the probable outcome of a disease based on a individual's condition and the usual course of the disease as seen in similar situations. Prognostic Factor,Prognostic Factors,Factor, Prognostic,Factors, Prognostic,Prognoses
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000369 Aged, 80 and over Persons 80 years of age and older. Oldest Old
D013274 Stomach Neoplasms Tumors or cancer of the STOMACH. Cancer of Stomach,Gastric Cancer,Gastric Neoplasms,Stomach Cancer,Cancer of the Stomach,Gastric Cancer, Familial Diffuse,Neoplasms, Gastric,Neoplasms, Stomach,Cancer, Gastric,Cancer, Stomach,Cancers, Gastric,Cancers, Stomach,Gastric Cancers,Gastric Neoplasm,Neoplasm, Gastric,Neoplasm, Stomach,Stomach Cancers,Stomach Neoplasm

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