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Acute myeloid leukemia with t(3;21)(q13;q22), a novel simple variant of the 21q22/RUNX1 translocation. 2017

Yuka Tsuruoka, and Hirotaka Sakai, and Akiko Uchida, and Yu Uemura, and Kazuyuki Sato, and Satoshi Yokoi, and Yuji Nishio, and Manabu Matsunawa, and Yoshinori Suzuki, and Yasushi Isobe, and Masayuki Kato, and Naoto Tomita, and Yasuyuki Inoue, and Ikuo Miura
Department of Internal Medicine, Division of Hematology and Oncology, St. Marianna University School of Medicine.

A 69-year-old man diagnosed with leukocytosis was referred to our hospital in July 201X. The patient was diagnosed as having a myelodysplastic/myeloproliferative neoplasm. However, he presented with leukemia 2 months later. Chromosomal analysis of a bone marrow sample documented that this patient had a normal karyotype. The patient was successfully treated with idarubicin and cytarabine, and he underwent three courses of consolidation therapy. However, he suffered a relapse in May of the following year. A cytogenetic analysis revealed the presence of a t (3;21) (q13;q22) translocation, and fluorescence in situ hybridization of metaphase spreads detected three signals corresponding to the runt related transcription factor 1 (RUNX1) on the derivative chromosomes 3 and 21, besides the normal chromosome 21. Chromosomal translocations in leukemia often involve genes encoding transcription factors, and the RUNX1 is a common target for such translocations. To the best of our knowledge, this is a novel variant of the RUNX1 translocation. Identifying genes associated with translocations in leukemia contributes to novel insights into the mechanisms of disease progression and chemotherapy resistance and also facilitates the development of molecularly targeted therapies.

UI MeSH Term Description Entries
D007621 Karyotyping Mapping of the KARYOTYPE of a cell. Karyotype Analysis Methods,Analysis Method, Karyotype,Analysis Methods, Karyotype,Karyotype Analysis Method,Karyotypings,Method, Karyotype Analysis,Methods, Karyotype Analysis
D008297 Male Males
D002891 Chromosomes, Human, Pair 21 A specific pair of GROUP G CHROMOSOMES of the human chromosome classification. Chromosome 21
D002893 Chromosomes, Human, Pair 3 A specific pair of human chromosomes in group A (CHROMOSOMES, HUMAN, 1-3) of the human chromosome classification. Chromosome 3
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000971 Antineoplastic Combined Chemotherapy Protocols The use of two or more chemicals simultaneously or sequentially in the drug therapy of neoplasms. The drugs need not be in the same dosage form. Anticancer Drug Combinations,Antineoplastic Agents, Combined,Antineoplastic Chemotherapy Protocols,Antineoplastic Drug Combinations,Cancer Chemotherapy Protocols,Chemotherapy Protocols, Antineoplastic,Drug Combinations, Antineoplastic,Antineoplastic Combined Chemotherapy Regimens,Combined Antineoplastic Agents,Agent, Combined Antineoplastic,Agents, Combined Antineoplastic,Anticancer Drug Combination,Antineoplastic Agent, Combined,Antineoplastic Chemotherapy Protocol,Antineoplastic Drug Combination,Cancer Chemotherapy Protocol,Chemotherapy Protocol, Antineoplastic,Chemotherapy Protocol, Cancer,Chemotherapy Protocols, Cancer,Combinations, Antineoplastic Drug,Combined Antineoplastic Agent,Drug Combination, Anticancer,Drug Combination, Antineoplastic,Drug Combinations, Anticancer,Protocol, Antineoplastic Chemotherapy,Protocol, Cancer Chemotherapy,Protocols, Antineoplastic Chemotherapy,Protocols, Cancer Chemotherapy
D014178 Translocation, Genetic A type of chromosome aberration characterized by CHROMOSOME BREAKAGE and transfer of the broken-off portion to another location, often to a different chromosome. Chromosomal Translocation,Translocation, Chromosomal,Chromosomal Translocations,Genetic Translocation,Genetic Translocations,Translocations, Chromosomal,Translocations, Genetic
D015470 Leukemia, Myeloid, Acute Clonal expansion of myeloid blasts in bone marrow, blood, and other tissue. Myeloid leukemias develop from changes in cells that normally produce NEUTROPHILS; BASOPHILS; EOSINOPHILS; and MONOCYTES. Leukemia, Myelogenous, Acute,Leukemia, Nonlymphocytic, Acute,Myeloid Leukemia, Acute,Nonlymphocytic Leukemia, Acute,ANLL,Acute Myelogenous Leukemia,Acute Myeloid Leukemia,Acute Myeloid Leukemia with Maturation,Acute Myeloid Leukemia without Maturation,Leukemia, Acute Myelogenous,Leukemia, Acute Myeloid,Leukemia, Myeloblastic, Acute,Leukemia, Myelocytic, Acute,Leukemia, Myeloid, Acute, M1,Leukemia, Myeloid, Acute, M2,Leukemia, Nonlymphoblastic, Acute,Myeloblastic Leukemia, Acute,Myelocytic Leukemia, Acute,Myelogenous Leukemia, Acute,Myeloid Leukemia, Acute, M1,Myeloid Leukemia, Acute, M2,Nonlymphoblastic Leukemia, Acute,Acute Myeloblastic Leukemia,Acute Myeloblastic Leukemias,Acute Myelocytic Leukemia,Acute Myelocytic Leukemias,Acute Myelogenous Leukemias,Acute Myeloid Leukemias,Acute Nonlymphoblastic Leukemia,Acute Nonlymphoblastic Leukemias,Acute Nonlymphocytic Leukemia,Acute Nonlymphocytic Leukemias,Leukemia, Acute Myeloblastic,Leukemia, Acute Myelocytic,Leukemia, Acute Nonlymphoblastic,Leukemia, Acute Nonlymphocytic,Leukemias, Acute Myeloblastic,Leukemias, Acute Myelocytic,Leukemias, Acute Myelogenous,Leukemias, Acute Myeloid,Leukemias, Acute Nonlymphoblastic,Leukemias, Acute Nonlymphocytic,Myeloblastic Leukemias, Acute,Myelocytic Leukemias, Acute,Myelogenous Leukemias, Acute,Myeloid Leukemias, Acute,Nonlymphoblastic Leukemias, Acute,Nonlymphocytic Leukemias, Acute
D050676 Core Binding Factor Alpha 2 Subunit A transcription factor that dimerizes with the cofactor CORE BINDING FACTOR BETA SUBUNIT to form core binding factor. It contains a highly conserved DNA-binding domain known as the runt domain. Runx1 is frequently mutated in human LEUKEMIAS. AML1A Protein,AML1B Protein,AML1C Protein,AML1D Protein,Acute Myeloid Leukemia 1 Protein,Acute Myeloid Leukemia 1A Protein,Acute Myeloid Leukemia 1B Protein,Acute Myeloid Leukemia 1C Protein,Acute Myeloid Leukemia 1D Protein,Core-Binding Factor Alpha 2 Protein,Pebp2a2 Protein,Runt-Related Transcription Factor 1,Runx1 Protein,Core Binding Factor Alpha 2 Protein,Runt Related Transcription Factor 1

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