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Articles 1 - 3 of 3
Full-Text Articles in Hemic and Immune Systems
Hemocyte Differentiation Mediates The Mosquito Late-Phase Immune Response Against Plasmodium In Anopheles Gambiae, Ryan C. Smith, Carolina Barillas-Mury, Marcelo Jacobs-Lorena
Hemocyte Differentiation Mediates The Mosquito Late-Phase Immune Response Against Plasmodium In Anopheles Gambiae, Ryan C. Smith, Carolina Barillas-Mury, Marcelo Jacobs-Lorena
Ryan C. Smith
Plasmodium parasites must complete development in the mosquito vector for transmission to occur. The mosquito innate immune response is remarkably efficient in limiting parasite numbers. Previous work has identified a LPS-induced TNFα transcription factor (LITAF)-like transcription factor, LITAF-like 3 (LL3), which significantly influences parasite numbers. Here, we demonstrate that LL3 does not influence invasion of the mosquito midgut epithelium or ookinete-to-oocyst differentiation but mediates a late-phase immune response that decreases oocyst survival. LL3 expression in the midgut and hemocytes is activated by ookinete midgut invasion and is independent of the mosquito microbiota, suggesting that LL3 may be a component of …
Src Homology 2 Domain-Containing 5’-Inositol Phosphatase-2 (Ship2) Is An Effector Of Lymphatic Dysfunction, Germaine D. Agollah
Src Homology 2 Domain-Containing 5’-Inositol Phosphatase-2 (Ship2) Is An Effector Of Lymphatic Dysfunction, Germaine D. Agollah
Dissertations & Theses (Open Access)
The lymphatic system is essential for the transport of excess fluid, protein, and foreign materials from interstitial tissues to lymph nodes; for immune surveillance, and to maintain fluid homeostasis. Dysregulated lymphatics can be attributed to pathological conditions including tumor metastasis, inflammation, chronic wounds, obesity, blood vascular disorders, and lymphedema. Of these, lymphedema is the most extreme of lymphatic disorders and is represented by a spectrum of symptoms ranging from mild, subtle presentation to severe, disfiguring, overt presentation. Lymphedema is more manageable in the early stages of disease but severely reduces quality of life with progression. Due to lack of molecular …
Abcb5 Identifies Immunoregulatory Dermal Cells, Tobias Schatton, Jun Yang, Sonja Kleffel, Mayuko Uehara, Steven R. Barthel, Christoph Schlapbach, Qian Zhan, Stephen Dudeney, Hansgeorg Mueller, Nayoung Lee, Juliane C. De Vries, Barbara Meier, Seppe Vander Beken, Mark M. Kluth, Christoph Ganss, Arlene H. Sharpe, Ana Maria Waaga-Gasser, Mohamed H. Sayegh, Reza Abdi, Karin Scharffetter-Kochanek, George F. Murphy, Thomas S. Kupper, Natasha Y. Frank, Markus H. Frank
Abcb5 Identifies Immunoregulatory Dermal Cells, Tobias Schatton, Jun Yang, Sonja Kleffel, Mayuko Uehara, Steven R. Barthel, Christoph Schlapbach, Qian Zhan, Stephen Dudeney, Hansgeorg Mueller, Nayoung Lee, Juliane C. De Vries, Barbara Meier, Seppe Vander Beken, Mark M. Kluth, Christoph Ganss, Arlene H. Sharpe, Ana Maria Waaga-Gasser, Mohamed H. Sayegh, Reza Abdi, Karin Scharffetter-Kochanek, George F. Murphy, Thomas S. Kupper, Natasha Y. Frank, Markus H. Frank
Research outputs 2014 to 2021
Cell-based strategies represent a new frontier in the treatment of immune-mediated disorders. However, the paucity of markers for isolation of molecularly defined immunomodulatory cell populations poses a barrier to this field. Here, we show that ATP-binding cassette member B5 (ABCB5) identifies dermal immunoregulatory cells (DIRCs) capable of exerting therapeutic immunoregulatory functions through engagement of programmed cell death 1 (PD-1). Purified Abcb5+ DIRCs suppressed T cell proliferation, evaded immune rejection, homed to recipient immune tissues, and induced Tregs in vivo. In fully major-histocompatibility-complex-mismatched cardiac allotransplantation models, allogeneic DIRCs significantly prolonged allograft survival. Blockade of DIRC-expressed PD-1 reversed the inhibitory effects of …