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Egyptian Journal of Surgery [The]. 2006; 25 (1): 29-37
in English | IMEMR | ID: emr-201408

ABSTRACT

Aim: is to assess the relation between c-Myc oncogene expression and angiogenic factors namely vascular endothelial growth factor [VEGF], funs-like tyrosine kinase 1[Flt-1] in patients with diffuse large B cell lymphoma [DLBCL] and their impact on the patient outcome


Methods: Forty Five DLBCL patients beside 10 normal controls were included. c-Myc oncoprotein was assessed by immunohistochemistry and sVEGF, and sFlt-1 were assessed by immunosorbent assay


Results: c-Myc over-expression was detected in 66.6% of DLBCL. The DLBCL patient group with positive c-Myc overexpression showed significantly higher sVEGF and significantly decreased sFlt-1 as compared to group with negative c-Myc over-expression [P=0.000, 0.009 respectively]. sVEGF was positively correlated to sLDH and .v./32 microglobulin [r =0.6, p;0.000, r =0.69, P= 0.000] respectively. The non-survived DLBCL group showed significantly higher expression of c-Myc, high concentration of sVEGF and lower concentration in sFlt-1 as compared to the living group [P=0.000 for all]


Conclusion: These findings confirm the in vitro based suggestion that c-Myc over-expression orchestrate the angiogenic mritch necessary for tumor progression. c-Myc over-expression, elevated sVEGF, and normal sFlt-1 at diagnosis are poor prognostic markers· in DLBCL patients

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