title: Association of initial response to prednisone treatment in childhood acute lymphoblastic leukaemia and polymorphisms within the tumour necrosis factor and the interleukin-10 genes.
abstract: Plasma levels of TNF and IL-10 have been associated with therapy outcome in haematological malignancies and are influenced by genetic variation due to germline polymorphisms within the TNF and IL-10 genes. Different TNF and IL-10 genetic polymorphisms might therefore also correlate with clinical outcome in childhood acute lymphoblastic leukaemia (ALL). We analysed the association of TNF and IL-10 polymorphisms with response to initial treatment and risk of relapse in 135 children with ALL, treated according to Berlin-Frankfurt-Münster (BFM) protocols. Our data showed a protective effect from prednisone poor response in patients with the IL-10 G/G genotype, whereas no association of the risk of relapse and IL-10 genotype was found. In the total study group, subjects expressing the TNF2 allele neither showed a statistically significant general association with prednisone response nor with risk of relapse compared to subjects homozygous for the TNF1 allele. Nevertheless, we did find a higher risk of relapse in poor prednisone responders expressing the TNF2 allele compared to poor prednisone responders not expressing the TNF2 allele. We conclude that IL-10 genotype might influence prednisone response in patients with childhood ALL, whereas TNF genotype seems to influence the risk of relapse in high risk ALL patients.
authors.affiliation: Hannover Medical School, Children's Hospital, Department of Paediatric Haematology and Oncology, Hannover, Germany.
authors.forename: M
authors.initials: M
authors.lastname: Lauten
authors.forename: T
authors.initials: T
authors.lastname: Matthias
authors.forename: M
authors.initials: M
authors.lastname: Stanulla
authors.forename: C
authors.initials: C
authors.lastname: Beger
authors.forename: K
authors.initials: K
authors.lastname: Welte
authors.forename: M
authors.initials: M
authors.lastname: Schrappe
mesh_terms: D000293:Adolescent; D000483:Alleles; D000971:Antineoplastic Combined Chemotherapy Protocols / Q000008:administration & dosage / Q000627:therapeutic use; D016022:Case-Control Studies; D002648:Child; D002675:Child, Preschool; D019008:Drug Resistance, Neoplasm / Q000235:genetics*; D005260:Female; D020022:Genetic Predisposition to Disease; D005838:Genotype; D006801:Humans; D007223:Infant; D016753:Interleukin-10 / Q000235:genetics*; D008297:Male; D016017:Odds Ratio; D011110:Polymorphism, Genetic; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000188:drug therapy* / Q000235:genetics; D011241:Prednisone / Q000008:administration & dosage / Q000494:pharmacology*; D012008:Recurrence; D012074:Remission Induction; D012306:Risk; D014409:Tumor Necrosis Factor-alpha / Q000235:genetics*
chemical_list: D014409:Tumor Necrosis Factor-alpha; D016753:Interleukin-10; D011241:Prednisone