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Experimental study of G-CSF alleviating graft-versus-host disease after mixed bone marrow transplantation / 中华器官移植杂志
Article in Chinese | WPRIM | ID: wpr-675784
Responsible library: WPRO
ABSTRACT
Objective To explore whether acute graft versus host disease (aGVHD) could be alleviated by syngeneic bone marrow mixed with granulocyte colony stimulating factor (G CSF) mobilized H 2 haploidentical marrow grafting. Methods Female BALB/c and neonatal BALB/c mice were recipients and male (BALB/c?C 57 BL/6) F 1 (BCF 1) mice were donor mice respectively. Donor mice were injected subcutaneously with G CSF daily at 0.01 ?g/g body weight or saline for 6 days, and splenocytes were harvested on day 6. Spleen index(SI) represented GVHD in neonatal mice after the intraperitoneal injection of mixed spleen cells.Lethally irradiated ( 60 Co, 8.5 Gy) adult mice were transplanted with a mixture of syngenetic plus G CSF mobilized (control diluents) H 2 haploidentical marrow cells.Survival time and survival rate of the recipients were observed after mixed marrow transplantation (MBMT). GVHD was assessed by observing signs of weight loss, ruffled fur, diarrhea and histological change of skin, liver and small intestines. Enzyme linked immunosorbemt assay (ELISA) method was used to detect cytokines (IL 2, IL 4, IFN ?). Fluorescence activated cell sorting (FACS) analysis was used to detect T cell phenotype. Results (1) The neonatal mice subject to injection of 2∶1 and 1∶1 mixed spleen cells and H 2 haploidentical spleen cells all suffered from aGVHD. The severity of aGVHD in recipient mice receiving G CSF mobilized splenocytes was dramatically reduced. (2) The aGVHD signs and histological change were observed in most mice of 2∶1 and 1∶1 MBMT groups. However, the survival time of G CSF mobilized MBMT groups was longer than in control groups ( P

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Organ Transplantation Year: 1996 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Organ Transplantation Year: 1996 Type: Article