Abstract:
AIM:To evaluate the expressions of apoptotic signal proteins FADD, TRADD, FasL, Fas, and NFkappaB in gastric carcinoma tissues and their clinical significance. METHODS:Western blot immune trace method was adopted to detect the expressions of apoptotic signal proteins FADD, TRADD, FasL, Fas, and NFkappaB in 55 tissue specimens of gastric carcinoma. RESULTS:Five apoptotic signal proteins had different expressions in the gastric carcinoma samples and their expressions were not correlated to age (P = 0.085). Expressions of the FADD, FasL, Fas, and NFkappaB proteins reduced with increase of the volume of tumor with the exception of increased expression the TRADD protein (64.7-71.1%, P = 0.031). With gradual increase of the malignancy of gastric carcinoma tissues, expressions of the FADD, FasL, and Fas proteins decreased (78.6-28.0%, P = 0.008; 78.6-65.9%, P = 0.071; 100.0-46.3%, P = 0.014), while expressions of the TRADD and NFkappaB proteins increased (42.9-78.1%, P = 0.063; 78.6-79.1%, P = 0.134). With gradual increase of serum CEA, expression of the FADD protein decreased (62.5-34.0%, P = 0.073), but expressions of the TRADD, FasL, Fas, and NFkappaB proteins increased (0.0-80.8%, P = 0.005; 62.5-70.2%, P = 0.093; 0.0-70.2%, P = 0.003; 62.5-80.9%, P = 0.075). When compared to the tissues of gastric carcinoma without metastasis, the positive rate of expressions of the FADD and FasL proteins increased, whereas expressions of the TRADD, FADD, and NFkappaB proteins decreased. There was no significant difference between them (P = 0.095). CONCLUSION:Gastric carcinoma is endurable to Fas-related apoptosis and apoptotic signal proteins are differently expressed in gastric carcinoma.
journal_name
World J Gastroenteroljournal_title
World journal of gastroenterologyauthors
Zhao XH,Gu SZ,Tian HG,Quan P,Pan BRdoi
10.3748/wjg.v11.i25.3846keywords:
subject
Has Abstractpub_date
2005-07-07 00:00:00pages
3846-9issue
25eissn
1007-9327issn
2219-2840journal_volume
11pub_type
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