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4772 results sorted by

Fad24, a mammalian homolog of Noc3p, is a positive regulator in adipocyte differentiation

Adipocyte differentiation is controlled by complex actions involving gene expression and signal transduction. From metaphase to anaphase, peroxisome proliferator-activated receptor gamma, the CCAAT/enhancer-binding protein family and sterol...
Authors: Tominaga K, Johmura Y, Nishizuka M and Imagawa M

HDAC6 deacetylase activity links the tubulin cytoskeleton with immune synapse organization

We investigated the role of acetylated microtubules in the antigen-specific interaction of T helper and antigen-presenting cells (APCs). In T cells, acetylated microtubules concentrated at contact site with APCs, surrounding clusters of CD3 and...
Authors: Serrador JM, Cabrero JR, Sancho D, Mittelbrunn M, Urzainqui A and Sanchez-Madrid F

Critical Role for Hematopoietic Cell Kinase (Hck)-mediated Phosphorylation of Gab1 and Gab2 Docking Proteins in Interleukin 6-induced Proliferation and Survival of Multiple Myeloma Cells.

Interleukin-6 (LI-6) is a known growth and survival factor in multiple myeloma via activation of extracellular signal-regulated kinase and phosphatidylinositol 3-kinase signaling cascade. In this report we show that Grb2-associated binder (Gab)...
Authors: Podar K, Mostoslavsky G, Sattler M, Tai YT, Hayashi T, Catley LP, Hideshima T, Mulligan RC, Chauhan...

Munc13-4 is essential for cytolytic granules fusion and is mutated in a form of familial hemophagocytic lymphohistiocytosis (FHL3)

Secretion of cytolytic granules content at the immunological synapse is a highly regulated process essential for lymphocyte cytotoxicity. This process requires the rapid transfer of perforin containing lytic granules to the target cell interface,...
Authors: Feldmann J, Callebaut I, Raposo G, Certain S, Bacq D, Dumont C, Lambert N, Ouachee-Chardin M,...

CD28 and Lipid Rafts Coordinate Recruitment of Lck to the Immunological Synapse of Human T Lymphocytes

In T lymphocytes, the Src family kinase Lck associates lipid rafts and accumulates at the immunological synapse (IS) during T cell stimulation by APCs. Using CD4- or CD28-deficient murine T cells, it was suggested that recruitment of Lck to the IS...
Authors: Tavano R, Gri G, Molon B, Marinari B, Rudd CE, Tuosto L and Viola A

Role of MAPK phosphatase-1 (MKP-1) in adipocyte differentiation

Both time-dependent modulation of intracellular signaling molecules and sequential induction of transcriptional regulators are essential for the differentiation of preadipocytes into adipocytes. We have now shown that the activity, but not the...
Authors: Sakaue H, Ogawa W, Nakamura T, Mori T, Nakamura K and Kasuga M

Conversion of Bcl-2 from protector to killer by interaction with nuclear orphan receptor Nur77/TR3

The Bcl-2 family proteins are key regulators of apoptosis in human diseases and cancers. Though known to block apoptosis, Bcl-2 promotes cell death through an undefined mechanism. Here, we show that Bcl-2 interacts with orphan nuclear receptor Nur77...
Authors: Lin B, Kolluri SK, Lin F, Liu W, Han YH, Cao X, Dawson MI, Reed JC and Zhang XK

Deregulated Akt3 activity promotes development of malignant melanoma

Malignant melanoma is the skin cancer with the most significant impact on man, carrying the highest risk of death from metastasis. Both incidence and mortality rates continue to rise each year, with no effective long-term treatment on the horizon. In...
Authors: Stahl JM, Sharma A, Cheung M, Zimmerman M, Cheng JQ, Bosenberg MW, Kester M, Sandirasegarane L and...

Endoglin Regulates Cytoskeletal Organization through Binding to ZRP-1, a Member of the Lim Family of Proteins

Endoglin is a component of the transforming growth factor-beta receptor complex abundantly expressed at the surface of endothelial cells and plays an important role in cardiovascular development and vascular remodeling. By using the cytoplasmic...
Authors: Sanz-Rodriguez F, Guerrero-Esteo M, Botella LM, Banville D, Vary CP and Bernabeu C

A NUDEL-dependent mechanism of neurofilament assembly regulates the integrity of CNS neurons

The cytoskeleton controls the architecture and survival of central nervous system (CNS) neurons by maintaining the stability of axons and dendrites. Although neurofilaments (NFs) constitute the main cytoskeletal network in these structures, the...
Authors: Nguyen MD, Shu T, Sanada K, Lariviere RC, Tseng HC, Park SK, Julien JP and Tsai LH
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