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Transplantation of embryonic spleen tissue reveals a role for adult non-lymphoid cells in initiating lymphoid tissue organization

Glanville, S.H and Bekiaris, V and Jenkinson, E.J and Lane, P.J.L and Anderson, Graham and Withers, D.R (2009) Transplantation of embryonic spleen tissue reveals a role for adult non-lymphoid cells in initiating lymphoid tissue organization. European Journal of Immunology, 39 (1). pp. 280-289. ISSN 0014-2980

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URL of Published Version: http://www3.interscience.wiley.com/cgi-bin/fulltext/121571421/PDFSTART

Identification Number/DOI: 10.1002/eji.200838724

In this report we describe a transplantation system where embryonic spleens are grafted into adult hosts. This model can be used to analyze the cellular and molecular requirements for the development and organization of splenic microenvironments.Whole embryonic day 15 (ED15) spleens, grafted under the kidney capsule of adult mice, were colonized by host-derived lymphocytes and DC and developed normal splenic architecture. Grafts were also able to form germinal centers in response to T-dependent antigen. Using this system we demonstrated that adult host-derived lymphotoxin (LT) a was sufficient for the development of ED15 LTa/ grafts. Grafting of ED15 LTa/ spleens into RAG/ hosts followed by transfer of LT a/ splenocytes revealed no requirement for lymphocyte-derived LT a in the induction of CCL21 or the development of T-zone stroma. These data suggest that interactions between adult lymphoid-tissue inducer-like cells and embryonic stromal cells initiated T-zone development. Furthermore,adult lymphoid tissue inducer-like cells were shown to develop from bone marrow-derived progenitors. The model described here demonstrates a method of transferring whole splenic microenvironments and dissecting the stromal and hematopoietic signals involved in spleen development and organization.

Type of Work:Article
Date:16 December 2009 (Publication)
School/Faculty:Colleges (2008 onwards) > College of Medical & Dental Sciences
Department:MRC Centre for Immune Regulation, Institute for Biomedical Research
Subjects:R Medicine (General)
Institution:University of Birmingham
Copyright Holders:John Wiley & Sons
ID Code:160
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