Zhonghua bing li xue za zhi = Chinese journal of pathology · 2013
[Expression of glucose transporter protein 1 and desmin in reactive mesothelial hyperplasia and epithelioid malignant mesothelioma].
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Wei Ping, Jin Mu-lan, Zhao Hong-ying, Li Xue, Diao Xiao-li
Аннотация
OBJECTIVE: To investigate the expression of glucose transporter protein 1 (GLUT-1) and desmin in benign and malignant mesothelial lesions, including reactive mesothelial hyperplasia (RMH), epithelioid malignant mesothelioma (EMM) and metastatic adenocarcinoma (MAC).
METHODS: One hundred and forty two pleural biopsy specimens were collected in this study, including 58 cases of RMH, 53 cases of EMM and 31 cases of MAC. Immunohistochemical EliVision method was performed to detect GLUT-1 and desmin expression.
RESULTS: The positive rates for GLUT-1 in RMH, EMM and MAC were 13.8% (8/58) , 81.1% (43/53) and 77.4% (24/31) , respectively, with statistically significant differences between RMH and others (both P < 0.01). The positive rates for desmin in RMH, EMM and MAC were 77.6% (45/58) , 9.4% (5/53) and 0 (0/31) , respectively, with statistically significant difference between RMH and others (both P < 0.01). The combined expression pattern of positive GLUT-1 and negative desmin was found in 1 (1.7%, 1/58) RMH cases, 41 (77.4%, 41/53) EMM cases and 24 (77.4%, 24/31) MAC cases, with statistically significant difference between RMH and others (both P < 0.01).
CONCLUSIONS: GLUT-1 and desmin may be used as immunohistochemical markers in separating RMH from EMM. Combined application of two antibodies may improve the specificity.
METHODS: One hundred and forty two pleural biopsy specimens were collected in this study, including 58 cases of RMH, 53 cases of EMM and 31 cases of MAC. Immunohistochemical EliVision method was performed to detect GLUT-1 and desmin expression.
RESULTS: The positive rates for GLUT-1 in RMH, EMM and MAC were 13.8% (8/58) , 81.1% (43/53) and 77.4% (24/31) , respectively, with statistically significant differences between RMH and others (both P < 0.01). The positive rates for desmin in RMH, EMM and MAC were 77.6% (45/58) , 9.4% (5/53) and 0 (0/31) , respectively, with statistically significant difference between RMH and others (both P < 0.01). The combined expression pattern of positive GLUT-1 and negative desmin was found in 1 (1.7%, 1/58) RMH cases, 41 (77.4%, 41/53) EMM cases and 24 (77.4%, 24/31) MAC cases, with statistically significant difference between RMH and others (both P < 0.01).
CONCLUSIONS: GLUT-1 and desmin may be used as immunohistochemical markers in separating RMH from EMM. Combined application of two antibodies may improve the specificity.