Journal of the European Academy of Dermatology and Venereology : JEADV · 2014
Immunogenetic factors in mycosis fungoides: can the HLA system influence the susceptibility and prognosis of the disease? Long-term follow-up study of 46 patients.
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Brazzelli V, Rivetti N, Badulli C, Carugno A, Grasso V, De Silvestri A, Martinetti M, Borroni G
Аннотация
BACKGROUND: Mycosis fungoides (MF) is the most common and one of the least aggressive forms of cutaneous T-cell lymphoma. Several studies have demonstrated the influence of human leucocyte antigen (HLA) genes on the susceptibility of MF, highlighting the importance of certain alleles but, until today, no studies have evaluated the relationship between HLA alleles and the prognosis of patients with MF.
OBJECTIVE: The aim of this retrospective cohort study was to evaluate the polymorphism of HLA class I and class II alleles in a group of 46 MF Caucasian patients, looking for their influence in susceptibility and prognosis of the disease.
METHODS: Study population included a case-cohort sample of 46 Caucasian patients with MF that, between 1993 and 1997, underwent HLA class I and II genomic typing. All patients were diagnosed and followed up from 1977 to 2012 (mean follow-up of 11 years) and they were divided into three groups according to the evolution of the disease.
RESULTS: Molecular typing at low-resolution level revealed that HLA-A*24, A*68, A*69, B*35 and DQB1*05:02 alleles were involved in susceptibility to MF. Correspondence analysis underlined that long-lasting remission was characterized by HLA-A*24 and HLA-A*25 alleles, frequent relapse by HLA-DRB1*01, DQA1*01:01, DQB1*05:01 alleles and death by HLA-A*68, HLA-B*08, HLA-B*35, HLA-C*03 alleles.
CONCLUSION: This study suggests that the prognosis of MF patients is not only correlated with clinical/pathological/serological/immunological variables but it also relies on specific HLA alleles.
OBJECTIVE: The aim of this retrospective cohort study was to evaluate the polymorphism of HLA class I and class II alleles in a group of 46 MF Caucasian patients, looking for their influence in susceptibility and prognosis of the disease.
METHODS: Study population included a case-cohort sample of 46 Caucasian patients with MF that, between 1993 and 1997, underwent HLA class I and II genomic typing. All patients were diagnosed and followed up from 1977 to 2012 (mean follow-up of 11 years) and they were divided into three groups according to the evolution of the disease.
RESULTS: Molecular typing at low-resolution level revealed that HLA-A*24, A*68, A*69, B*35 and DQB1*05:02 alleles were involved in susceptibility to MF. Correspondence analysis underlined that long-lasting remission was characterized by HLA-A*24 and HLA-A*25 alleles, frequent relapse by HLA-DRB1*01, DQA1*01:01, DQB1*05:01 alleles and death by HLA-A*68, HLA-B*08, HLA-B*35, HLA-C*03 alleles.
CONCLUSION: This study suggests that the prognosis of MF patients is not only correlated with clinical/pathological/serological/immunological variables but it also relies on specific HLA alleles.