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Chinese Journal of Clinical and Experimental Pathology ; (12): 1234-1237, 2017.
Artigo em Chinês | WPRIM | ID: wpr-695039

RESUMO

Purpose To investgate the expression and clinical significance of GFRα3 in esophagus squamous cell carcinoma (ESCC).Methods Expression of GFRα3 in 114 esophagus squamous cell carcinoma,17 cases of high grade intraepithelial neoplasia and Tis,25 cases nomal tissue was detected by immunohistochemistry.Expression of GFRα3 in 12 paired flesh tissues had also been determined by Western-blot.Results The positive expression of GFRα3 in nomal esophageal tissues,high grade intraepithelial tissues and Tis was 0,29.4%,76.3% respectively by immunohistochemistry.Expression of GFRα3 in carcinomatous tissues was higher than that of adjacent tissues (P < 0.05).Moreover,the expression of GFRα3 was significantly associated with depth of invasion,higher clinical stage and survival outcome of patients with ESCC.Conclusion The expression of GFRα3 maybe a useful predictor of disease depth of invasion,progression and outcome in ESCC.

2.
Chinese Journal of Pancreatology ; (6): 24-27, 2011.
Artigo em Chinês | WPRIM | ID: wpr-414422

RESUMO

Objective To investigate artemin and its receptors GFRα3 expression in human pancreatic ductal adenocarcinoma and its significance. Methods Expression and distribution of artemin and GFRα3 in 100 cases of human pancreatic ductal adenocarcinoma(PDAC) and 40 cases of normal pancreatic tissue were detected by immunohistochemistry and RT-PCR, quantitative RT PCR. Relations of artemin and GFRα3 with clinicopathological characteristics, especially nerve invasion were analyzed. Results Nerve invasion was detected in 64 out of 100 cases of PDAC, and the rate of nerve invasion was 64%. The ratio of expression of Artemin, GFRα3 protein in PDAC/normal pancreatic tissue was 2.697 ± 0.231 and 2.599 ± 0.588; the ratio of expression of Artemin, GFRα3 mRNA was 7.01 and 4.63. Artemin and GFRα3 expression were associated with tumor location, differentiation degree, TNM staging, nerve invasion node metastasis, but it was not associated with age, sex and tumor size. Artemin and GFRα3 expression was more positively expressed in cancer cells close to nerve tissue than cells far from nerve tissue. Conclusions Artemin and GFRα3 were involved in the development of pancreatic cancer and their high expression was closely related to perineural invasion.

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