Journal of cancer research and therapeutics · 2018
CXCL12 rs18011157 polymorphısm in patients wıth non-Hodgkin's lymphoma: Is it associated with poor outcome?
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Pamuk Gulsum Emel, Tozkır Hilmi, Uyanık Mehmet Sevki, Gurkan Hakan, Duymaz Julide, Pamuk Omer Nuri
Аннотация
OBJECTIVE: We studied CXCL12-related rs18011157 polymorphism in non-Hodgkin lymphoma (NHL) patients. We also determined the effect of this polymorphism on clinical features and outcome of NHL.
METHODS: We included 90 NHL patients (54 males, 36 females) and 88 healthy controls (54 males, 34 females). CXCL12-related rs18011157 polymorphism was determined by polymerase chain reaction.
RESULTS: rs18011157 polymorphism was significantly more frequent in NHL patients with GA genotype than in healthy controls (37.8% vs. 20.5%, P = 0.011). The frequency of patients with initially high lactate dehydrogenase (LDH) level (65.8% vs. 38.5%) and extranodal involvement (61.1% vs. 43.8%) was significantly higher in the GA plus AA genotype groups when considered altogether (P = 0.01 and 0.09). Poor prognostic factors in univariate analysis were the presence of B symptoms, initially high International Prognostic Index (IPI), splenomegaly, nonresponse to first-line therapy, the presence of early relapse, and carrying A allele (GA plus AA genotypes). The independent prognostic factors in multivariate analysis were only early relapse and an initially high IPI score.
DISCUSSION: CXCL12 rs1801157 polymorphism which was found to be associated with extranodal involvement and increased LDH in NHL might be a marker of poor prognosis in patients with GA and AA genotypes.
CONCLUSIONS: CXCL12-related rs18011517 polymorphism was more frequent in NHL patients: it might be associated with NHL pathogenesis and outcome.
METHODS: We included 90 NHL patients (54 males, 36 females) and 88 healthy controls (54 males, 34 females). CXCL12-related rs18011157 polymorphism was determined by polymerase chain reaction.
RESULTS: rs18011157 polymorphism was significantly more frequent in NHL patients with GA genotype than in healthy controls (37.8% vs. 20.5%, P = 0.011). The frequency of patients with initially high lactate dehydrogenase (LDH) level (65.8% vs. 38.5%) and extranodal involvement (61.1% vs. 43.8%) was significantly higher in the GA plus AA genotype groups when considered altogether (P = 0.01 and 0.09). Poor prognostic factors in univariate analysis were the presence of B symptoms, initially high International Prognostic Index (IPI), splenomegaly, nonresponse to first-line therapy, the presence of early relapse, and carrying A allele (GA plus AA genotypes). The independent prognostic factors in multivariate analysis were only early relapse and an initially high IPI score.
DISCUSSION: CXCL12 rs1801157 polymorphism which was found to be associated with extranodal involvement and increased LDH in NHL might be a marker of poor prognosis in patients with GA and AA genotypes.
CONCLUSIONS: CXCL12-related rs18011517 polymorphism was more frequent in NHL patients: it might be associated with NHL pathogenesis and outcome.