Abstract:
:Tumor necrosis factor alpha (TNF-alpha) and lymphotoxin alpha (LT-alpha) have been shown to play an important role in the pathogenesis of limphoproliferative disease. Both cytokines regulate cell-survival and cell-death in leukemic cells. TNF-alpha and LT-alpha are highly produced in chronic lymphotic leukemia (CLL) and non-Hodgkin lymphoma (NHL) patients. Genetic polymorphism within regulatory regions of these cytokine genes can alter their expression levels. This study investigates an influence of TNF-alpha - 308 and LT-alpha + 250 polymorphisms on the activity of alkaline DNase in mononuclear cells of both patient groups as a potent biochemical marker of DNA fragmentation in the terminal phase of apoptosis. Study was performed on mononuclear cells of CLL and NHL patients. SNP were obtained by PCR-RFLP method. The activity of alkaline DNase was measured by spectrophotometric method. The study provided evidence of the influence of TNFG/A genotype and A alleles in the susceptibility to NHL, since the association of LT-alphaG/G genotype with CLL was observed. High-producing TNF-alpha - 308/LT-alpha + 250 heterozygous haplotype is associated with high NHL incidence. The investigated SNP influence the activity of alkaline DNase in CLL and NHL patients. The observed polymorphisms may modulate susceptibility of leukemic cells to apoptosis by way of DNase activity.
journal_name
Leuk Lymphomajournal_title
Leukemia & lymphomaauthors
Jevtovic-Stoimenov T,Kocic G,Pavlovic D,Macukanovic-Golubovic L,Marjanovic G,Djordjevic V,Tosić N,Pavlović Sdoi
10.1080/10428190802381220subject
Has Abstractpub_date
2008-11-01 00:00:00pages
2163-9issue
11eissn
1042-8194issn
1029-2403pii
905678870journal_volume
49pub_type
杂志文章abstract::Recent advances in the treatment of patients with non-Hodgkin lymphoma have driven a paradigm shift from standard chemotherapy to an ever-expanding choice of targeted agents and combinations. As an orally bioavailable immunomodulator with antineoplastic, immunologic, and antiproliferative activity in B-cell lymphoma, ...
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