Transgenic expression of human cytokines in immunodeficient mice does not facilitate myeloid expansion of BCR-ABL1 transduced human cord blood cells

Askmyr, Maria (author): Lund University,Lunds universitet,Translationella genomiska och funktionella studier av leukemi,Forskargrupper vid Lunds universitet,Translational Genomic and Functional Studies of Leukemia,Lund University Research Groups

Von Palffy, Sofia (author): Lund University,Lunds universitet,Translationella genomiska och funktionella studier av leukemi,Forskargrupper vid Lunds universitet,Translational Genomic and Functional Studies of Leukemia,Lund University Research Groups

Hansen, Nils (author): Lund University,Lunds universitet,Translationella genomiska och funktionella studier av leukemi,Forskargrupper vid Lunds universitet,Translational Genomic and Functional Studies of Leukemia,Lund University Research Groups

Landberg, Niklas (author): Lund University,Lunds universitet,Translationella genomiska och funktionella studier av leukemi,Forskargrupper vid Lunds universitet,Translational Genomic and Functional Studies of Leukemia,Lund University Research Groups

Högberg, Carl (author): Lund University,Lunds universitet,Translationella genomiska och funktionella studier av leukemi,Forskargrupper vid Lunds universitet,Translational Genomic and Functional Studies of Leukemia,Lund University Research Groups

Rissler, Marianne (author): Lund University,Lunds universitet,Translationella genomiska och funktionella studier av leukemi,Forskargrupper vid Lunds universitet,Translational Genomic and Functional Studies of Leukemia,Lund University Research Groups

Ågerstam, Helena (author): Lund University,Lunds universitet,Translationella genomiska och funktionella studier av leukemi,Forskargrupper vid Lunds universitet,Translational Genomic and Functional Studies of Leukemia,Lund University Research Groups

Fioretos, Thoas (author): Lund University,Lunds universitet,Translationella genomiska och funktionella studier av leukemi,Forskargrupper vid Lunds universitet,Translational Genomic and Functional Studies of Leukemia,Lund University Research Groups,Regional Laboratories Region Skåne

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Abstract Subject headings

Several attempts have been made to model chronic myeloid leukemia (CML) in a xenograft setting but expansion of human myeloid cells in immunodeficient mice has proven difficult to achieve. Lack of cross-reacting cytokines in the microenvironment of the mice has been proposed as a potential reason. In this study we have used NOD/SCID IL2–receptor gamma deficient mice expressing human SCF, IL-3 and GM-CSF (NSGS mice), that should be superior in supporting human, and particularly, myeloid cell engraftment, to expand BCR-ABL1 expressing human cells in order to model CML. NSGS mice transplanted with BCR-ABL1 expressing cells became anemic and had to be sacrificed due to illness, however, this was not accompanied by an expansion of human myeloid cells but rather we observed a massive expansion of human T-cells and macrophages/histiocytes. Importantly, control human cells without BCR-ABL1 expression elicited a similar reaction, although with a slight delay of disease induction, suggesting that while BCR-ABL1 contributes to the inflammatory reaction, the presence of normal human hematopoietic cells is detrimental for NSGS mice.

By the author/editor: Askmyr, Maria; Von Palffy, Sofi ...; Hansen, Nils; Landberg, Niklas; Högberg, Carl; Rissler, Mariann ...; show more...; Ågerstam, Helena; Fioretos, Thoas; show less...

About the subject

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Clinical Medicin ...; and Hematology

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Basic Medicine; and Medical Genetics

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