[Study on the mutation of human telomeric repeat binding factor 1 gene in malignant hematopoietic cell lines]

[Study on the mutation of human telomeric repeat binding factor 1 gene in malignant hematopoietic cell lines] Research Abstract Details 

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[Study on the mutation of human telomeric repeat binding factor 1 gene in malignant hematopoietic cell lines] Abstract Text:

Jie Sun,He Huang,Yuan-yuan Zhu,

OBJECTIVE: To detect mutations of human telomeric repeat binding factor 1 (TERF1) gene in 11 malignant hematopoietic cell lines, which have positive telomerase activity, and evaluate the significance of the mutations. METHODS: Genome structure of TERF1 was predicted by using biology information program, and verified by PCR and sequencing. Telomerase activity was detected by telomeric repeat amplification (TRAP)-ELISA. PCR and sequencing were used to detect mutation of each exon of TERF1 in 11 cell lines, including myelogenous leukemia cell lines K562, HL-60, U-937, NB4, THP-1, HEL and Dami; lymphoblastic leukemia cell lines 6T-CEM, Jurkat and Raji and MDS-RAEB cell line MUTZ-1. Five DNA samples from healthy volunteers were detected as normal controls. RESULTS: TERF1 gene has 10 exons and spans 38.6 kb. All the 11 cell lines showed positive telomerase activity. No mutation was found in all exons of TERF1 in the 11 cell lines. However, 4 variants were found in intron1, 2 and 8 near exon1, exon2 and exon9, respectively. The variants in MUTZ-1 was different from those in leukemia cell lines; but no difference was found between the variants in myelogenous and lymphoblastic leukemia cell lines. CONCLUSION: TERF1 mutation is probably not among the main factors of the gene dysfunction in malignant hematopoietic diseases.

[Study on the mutation of human telomeric repeat binding factor 1 gene in malignant hematopoietic cell lines] Publishing Authors By Initials

J Sun,H Huang,YY Zhu,

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[Study on the mutation of human telomeric repeat binding factor 1 gene in malignant hematopoietic cell lines] Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Zhonghua xue ye xue za zhi = Zhonghua xueyexue zaz

VOLUME: 25

Page Numbers: 269-72

Journal Abbreviation: Zhonghua Xue Ye Xue Za Zhi

ISSN: 0253-2727

DAY: 8

MONTH: May

YEAR: 2004

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LANGUAGE: chi

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AFFILIATION: The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China.

Country: China

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MEDLINETA: Zhonghua Xue Ye Xue Za Zhi

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