RESUMEN
Objective: To analyze the genetic landscape of 52 fusion genes in patients with de novo acute lymphoblastic leukemia (ALL) and to investigate the characteristics of other laboratory results. Methods: The fusion gene expression was retrospectively analyzed in the 1 994 patients with de novo ALL diagnosed from September 2016 to December 2020. In addition, their mutational, immunophenotypical and karyotypical profiles were investigated. Results: In the 1 994 patients with ALL, the median age was 12 years (from 15 days to 89 years). In the panel of targeted genes, 15 different types of fusion genes were detected in 884 patients (44.33%) and demonstrated a Power law distribution. The frequency of detectable fusion genes in B-cell ALL was significantly higher than that in T-cell ALL (48.48% vs 18.71%), and fusion genes were almost exclusively expressed in B-cell ALL or T-cell ALL. The number of fusion genes showed peaks at<1 year, 3-5 years and 35-44 years, respectively. More fusion genes were identified in children than in adults. MLL-FG was most frequently seen in infants and TEL-AML1 was most commonly seen in children, while BCR-ABL1 was dominant in adults. The majority of fusion gene mutations involved signaling pathway and the most frequent mutations were observed in NRAS and KRAS genes. The expression of early-stage B-cell antigens varied in B-cell ALL patients. The complex karyotypes were more common in BCR-ABL1 positive patients than others. Conclusion: The distribution of fusion genes in ALL patients differs by ages and cell lineages. It also corresponds to various gene mutations, immunophenotypes, and karyotypes.
Asunto(s)
Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Niño , Preescolar , Humanos , Lactante , Recién Nacido , Persona de Mediana Edad , Adulto Joven , Expresión Génica , Genes ras , Fusión de Oncogenes , Leucemia-Linfoma Linfoblástico de Células Precursoras/metabolismo , Estudios RetrospectivosRESUMEN
OBJECTIVE：To prepare compound clemastine cream(COC)and to evaluate its clinical efficacy for the treatment of seasonal contact dermatitis in the face.METHODS:The preparation was obtained by traditional o/w method.94 outpatients and inpatients were randomly divided into active group(COC group)and control group(Kangfulire ointment group).RESULTS:The healing rate and the total efficient rate were significantly higher than those of control group(p＜0.01，p＜0.05).CONCLUSION:COC has reliable clinical efficacy and has little side effects,so it is one of the specific preparations for the treatment of contact dermatitis and it can be widely used in the clinics.