Lin chuang er bi yan hou tou jing wai ke za zhi = Journal of clinical otorhinolaryngology head and neck surgery · 2010
[Expression of SSTR2 and P-STAT3 in human olfactory neuroblastoma].
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Zeng Ming, Cui Yonghua, Wu Cuihuan
Аннотация
OBJECTIVE: To detect the expression and relationship between somatostatin receptor 2 (SSTR2) and phosphorylated STAT3 (P-STAT3) in human olfactory neuroblastoma (ONB) and adjacent normal olfactory nerve tissue.
METHOD: Immunohistochemical (IHC) staining was used to detect the expression of SSTR2 and P-STAT3 in tumor and adjacent normal olfactory nerve tissue from 11 ONB patients.
RESULT: SSTR2 was mainly expressed in cell cytoplasm and the expression intensity was significantly stronger in tumor tissues than in adjacent normal tissues (P<0.01). P-STAT3 was mainly expressed in cell nuclear in tumor tissues. No expression was found in adjacent normal tissues. There was a negative correlation between the expression intensity of SSTR2 and P-STAT3 (r(s) = -0.367, P<0.05).
CONCLUSION: Lower expression of SSTR2 and activation of STAT3 in ONB cells might contribute to the development of ONB.
METHOD: Immunohistochemical (IHC) staining was used to detect the expression of SSTR2 and P-STAT3 in tumor and adjacent normal olfactory nerve tissue from 11 ONB patients.
RESULT: SSTR2 was mainly expressed in cell cytoplasm and the expression intensity was significantly stronger in tumor tissues than in adjacent normal tissues (P<0.01). P-STAT3 was mainly expressed in cell nuclear in tumor tissues. No expression was found in adjacent normal tissues. There was a negative correlation between the expression intensity of SSTR2 and P-STAT3 (r(s) = -0.367, P<0.05).
CONCLUSION: Lower expression of SSTR2 and activation of STAT3 in ONB cells might contribute to the development of ONB.