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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-51310

Rathinam, C; Poueymirou, W T; Rojas, J; Murphy, A J; Valenzuela, D M; Yancopoulus, G D; Rongvaux, A; Eynon, E E; Manz, M G; Flavell, R A (2011). Efficient differentiation and function of human macrophages in humanized CSF-1 mice. Blood, 118(11):3119-3128.

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Humanized mouse models are useful tools to understand pathophysiology and to develop therapies for human diseases. While significant progress has been made in generating immunocompromised mice with a human hematopoietic system, there are still several shortcomings, one of which is poor human myelopoiesis. Here, we report that human CSF-1 knockin mice show augmented frequencies and functions of human myeloid cells. Insertion of human CSF1 into the corresponding mouse locus of Balb/c Rag2(-/-) γc(-/-) mice through VELOCIGENE technology resulted in faithful expression of human CSF-1 in these mice both qualitatively and quantitatively. Intra-hepatic transfer of human fetal liver derived hematopoietic stem and progenitor cells (CD34(+)) in humanized CSF-1 (CSF1(h/h)) newborn mice resulted in more efficient differentiation and enhanced frequencies of human monocytes/macrophages in the bone marrow, spleens, peripheral blood, lungs, liver and peritoneal cavity. Human monocytes/macrophages obtained from the humanized CSF-1 mice show augmented functional properties including migration, phagocytosis, activation and responses to LPS. Thus, humanized mice engineered to express human cytokines will significantly help to overcome the current technical challenges in the field. In addition, humanized CSF-1 mice will be a valuable experimental model to study human myeloid cell biology.


45 citations in Web of Science®
48 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Hematology
Dewey Decimal Classification:610 Medicine & health
Date:15 September 2011
Deposited On:25 Nov 2011 12:01
Last Modified:05 Apr 2016 15:07
Publisher:American Society of Hematology
Additional Information:This research was originally published in Blood, 118(18):3119-3128. Copyright by the American Society of Hematology
Publisher DOI:10.1182/blood-2010-12-326926
PubMed ID:21791433

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