[A novel rat aplastic anemia model induced by 5-fluorouracil combined with busulfan]

[A novel rat aplastic anemia model induced by 5-fluorouracil combined with busulfan] Research Abstract Details 

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[A novel rat aplastic anemia model induced by 5-fluorouracil combined with busulfan] Abstract Text:

J Zhao,J Chu,S Ding,S Xu,A Liu,S Wang,

OBJECTIVE: To develop an aplastic anemia model with hematopoietic stem cell failure in rats. METHODS: Normal Wistar rats were injected i.p. with 5-fluorouracil and 5 days later p.o. by busulfan once a week for 3 times. A 5-FU alone group and a busulfan alone group were as control. The parameters tested indices were as following: incidence and mortality of aplastic anemia rats, blood picture, bone marrow nucleated cell count, CFU-GM of bone marrow cells and histology of hematopoietic organs. RESULTS: In the 5-FU plus busulfan group, the incidence of acute aplastic anemia was 82.0% (40/49 rats), the average survival time was (30.0 +/- 6.5) days. The remained 9 rats developed chronic aplastic anemia (18.0%). The total incidence of aplastic anemia was 100%, and the mortality was 98%. The blood cells count of the aplastic anemia rats was gradually reduced to a level of half the premedications and no CFU-GM was detected, and the patho-morphological examination showed that the bone marrow was replaced by fat cells, and the lymphoid tissue of spleen, thymus and lymph-nodes were remarkably atrophied without extra-medullary hematopoiesis. The control group (5-FU treated) developed a transient hematopoiesis suppression, and recovered rapidly to normal. Three of 12 rats in the busulfan treated group developed aplastic anemia. CONCLUSION: 5-FU combined with busulfan could impair the hematopoietic stem cells and resulted in an irreversible aplastic anemia in rats, making a rat aplastic anemia model with hematopoietic stem cell failure.

[A novel rat aplastic anemia model induced by 5-fluorouracil combined with busulfan] Publishing Authors By Initials

J Zhao,J Chu,S Ding,S Xu,A Liu,S Wang,

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[A novel rat aplastic anemia model induced by 5-fluorouracil combined with busulfan] Journal Published:

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

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

VOLUME: 22

Page Numbers: 202-4

Journal Abbreviation: Zhonghua Xue Ye Xue Za Zhi

ISSN: 0253-2727

DAY: 5

MONTH: Apr

YEAR: 2001

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LANGUAGE: chi

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AFFILIATION: The State Key Lab of Experimental Hematology, Institute of Hematology, CAMS & PUMC, Tianjin, 300020, China.

Country: China

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MEDLINETA: Zhonghua Xue Ye Xue Za Zhi

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