Combined examination of p27(Kip1), p21(Waf1/Cip1) and p53 expression allows precise estimation of prognosis in patients with gastric carcinoma.
Histopathology
; 39(6): 603-10, 2001 Dec.
Article
em En
| MEDLINE
| ID: mdl-11903579
ABSTRACT
AIMS:
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. METHODS ANDRESULTS:
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.CONCLUSION:
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.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Neoplasias Gástricas
/
Proteínas de Ciclo Celular
Tipo de estudo:
Prognostic_studies
Limite:
Adult
/
Aged
/
Aged80
/
Female
/
Humans
/
Male
/
Middle aged
Idioma:
En
Revista:
Histopathology
Ano de publicação:
2001
Tipo de documento:
Article