T. Takai

Publications249
h-index60
Citations14,126
Highly Influential Citations669
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Costimulatory signals mediated by the ITAM motif cooperate with RANKL for bone homeostasis
TLDR
It is shown that mice lacking immunoreceptor tyrosine-based activation motif (ITAM)-harbouring adaptors, Fc receptor common γ subunit (FcRγ) and DNAX-activating protein (DAP)12, exhibit severe osteopetrosis owing to impaired osteoclast differentiation.
View on Springer
Roles of Fc receptors in autoimmunity
  • T. Takai
  • Biology, Medicine
    Nature Reviews Immunology
  • 1 August 2002
TLDR
An overview of the mechanisms of FcR-based immune regulation is provided and how autoimmune disease might result from its dysfunction is described.
View on Springer
FcR γ chain deletion results in pleiotrophic effector cell defects
View on Elsevier
Siglec-H is an IPC-specific receptor that modulates type I IFN secretion through DAP12.
TLDR
The identification of the first molecular marker of mouse natural interferon-producing cells (IPCs), a novel member of the sialic acid-binding immunoglobulin (Ig)-like lectin (Siglec) family termed Siglec-H, which supports a model in which engagement of DNAX-activation protein 12 (DAP12)-associated receptors with antibodies or low avidity endogenous ligands interferes with TLR-mediated cellular activation.
View on PubMed
Regulation of osteoclast differentiation and function by the CaMK-CREB pathway
TLDR
The CaMKIV-CREB pathway biphasically functions to regulate the transcriptional program of osteoclastic bone resorption, by not only enhancing induction of NFATc1 but also facilitating NFAT c1-dependent gene regulation once its expression is induced.
View on Springer
Fc Receptors and Their Role in Immune Regulation and Autoimmunity
  • T. Takai
  • Biology, Medicine
    Journal of Clinical Immunology
  • 2005
TLDR
This review is aimed at providing a current overview of the mechanism of Fc receptor-based immune regulation and the possible scenario of how autoimmune disease might result from their dysfunction.
View on Springer
FcR gamma chain deletion results in pleiotrophic effector cell defects.
TLDR
Loss of gamma chain does not appear to perturb T cell development, since both thymic and peripheral T cell populations appear normal, and these mice represent an important tool for evaluating the role of these receptors in humoral and cellular immune responses.
View on PubMed
Augmented humoral and anaphylactic responses in FcγRII-deficient mice
TLDR
It is demonstrated that FcγRII acts as a general negative regulator of immune-complex-triggered activation in vivo for both the afferent and efferent limbs of the immune response.
View on Nature
The adaptor protein CARD9 is essential for the activation of myeloid cells through ITAM-associated and Toll-like receptors
TLDR
Deletion of the gene encoding the Bcl-10 adaptor–binding partner CARD9 resulted in impaired myeloid cell activation of NF-κB signaling by several ITAM-associated receptors, and CARD9 was required for Toll-like receptor–induced activation of dendritic cells through the activation of mitogen-activated protein kinases.
View on Nature
Plexin-A1 and its interaction with DAP12 in immune responses and bone homeostasis
TLDR
It is shown that plexin-A1 associates with the triggering receptor expressed on myeloid cells-2 (Trem-2), linking semaphorin-signalling to the immuno-receptor tyrosine-based activation motif (ITAM)-bearing adaptor protein, DAP12, that presents a novel signalling mechanism for exerting the pleiotropic functions of semaphors.
View on Nature
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