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Comparative study of ROR2 and WNT5a expression in squamous/adenosquamous carcinoma and adenocarcinoma of the gallbladder.
World J Gastroenterol ; 23(14): 2601-2612, 2017 Apr 14.
Artigo em Inglês | MEDLINE | ID: mdl-28465645
ABSTRACT

AIM:

To investigate the expression and clinical pathological significance of ROR2 and WNT5a in gallbladder squamous/adenosquamous carcinoma (SC/ASC) and adenocarcinoma (AC).

METHODS:

EnVision immunohistochemistry was used to stain for ROR2 and WNT5a in 46 SC/ASC patients and 80 AC patients.

RESULTS:

Poorly differentiated AC among AC patients aged > 45 years were significantly more frequent compared with SC/ASC patients, while tumors with a maximal diameter > 3 cm in the SC/ASC group were significantly more frequent compared with the AC group. Positive ROR2 and WNT5a expression was significantly lower in SC/ASC or AC with a maximal mass diameter ≤ 3 cm, a TNM stage of I + II, no lymph node metastasis, no surrounding invasion, and radical resection than in patients with a maximal mass diameter > 3 cm, TNM stage IV, lymph node metastasis, surrounding invasion, and no resection. Positive ROR2 expression in patients with highly differentiated SC/ASC was significantly lower than in patients with poorly differentiated SC/ASC. Positive ROR2 and WNT5a expression levels in highly differentiated AC were significantly lower than in poorly differentiated AC. Kaplan-Meier survival analysis showed that differentiation degree, maximal mass diameter, TNM stage, lymph node metastasis, surrounding invasion, surgical procedure and the ROR2 and WNT5a expression levels were closely related to average survival of SC/ASC or AC. The survival of SC/ASC or AC patients with positive expression of ROR2 and WNT5a was significantly shorter than that of patients with negative expression results. Cox multivariate analysis revealed that poor differentiation, a maximal diameter of the mass ≥ 3 cm, TNM stage III or IV, lymph node metastasis, surrounding invasion, unresected surgery and positive ROR2 or WNT5a expression in the SC/ASC or AC patients were negatively correlated with the postoperative survival rate and positively correlated with mortality, which are risk factors and independent prognostic predictors.

CONCLUSION:

SC/ASC or AC patients with positive ROR2 or WNT5a expression generally have a poor prognosis.
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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Adenocarcinoma / Biomarcadores Tumorais / Carcinoma Adenoescamoso / Receptores Órfãos Semelhantes a Receptor Tirosina Quinase / Proteína Wnt-5a / Neoplasias da Vesícula Biliar Aspecto clínico: Etiologia / Predição / Prognóstico Limite: Adulto / Idoso / Feminino / Humanos / Masculino / Meia-Idade País/Região como assunto: Ásia Idioma: Inglês Revista: World J Gastroenterol Assunto da revista: Gastroenterologia Ano de publicação: 2017 Tipo de documento: Artigo País de afiliação: China