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Polyunsaturated fatty acids block dendritic cell activation and function independently of NF-B activation

Polyunsaturated fatty acids (PUFAs) modulate immune responses leading to clinically significant beneficial effects in a variety of inflammatory disorders. PUFA effects on T cells have been extensively studied, but their influence on human dendritic...
Authors: Zeyda M, Saemann MD, Stuhlmeier KM, Mascher DG, Nowotny PN, Zlabinger GJ, Waldhausl W and Stulnig...

IRF-2 is involved in up-regulation of nonmuscle myosin heavy chain II-A gene expression during phorbol ester-induced promyelocytic HL-60 differentiation

Transcription of the nonmuscle myosin heavy chain II-A (NMHC-A) gene is regulated by various factors, including cell type, proliferation and differentiation stage, and extracellular stimuli. We have identified an intronic region (designated...
Authors: Chung MC and Kawamoto S

Control of lymphocyte shape and the chemotactic response by the GTP exchange factor Vav

Rho GTPases control many facets of cell polarity and migration, namely the reorganization of the cellular cytoskeleton to extracellular stimuli. Rho GTPases are activated by GTP Exchange Factors (GEFs), which induce GDP release and the stabilization...
Authors: Vicente-Manzanares M, Cruz-Adalia A, Martin-Cofreces NB, Cabrero JR, Dosil M, Alvarado-Sanchez B,...

Subtype-specific and ER lumenal environment-dependent regulation of inositol 1,4,5-trisphosphate receptor type 1 by ERp44

Inositol 1,4,5-trisphosphate receptors (IP(3)Rs) are intracellular channel proteins that mediate Ca(2+) release from the endoplasmic reticulum (ER) and are involved in many biological processes and diseases. IP(3)Rs are differentially regulated by a...
Authors: Higo T, Hattori M, Nakamura T, Natsume T, Michikawa T and Mikoshiba K

PML mediates IFN-alpha-induced apoptosis in myeloma by regulating TRAIL induction

Interferon (IFN) induces expression of proapoptotic genes and has been used in the clinical treatment of multiple myeloma. The promyelocytic leukemia (PML) gene is an IFN-induced target that encodes a tumor suppressor protein. PML protein is...
Authors: Crowder C, Dahle O, Davis RE, Gabrielsen OS and Rudikoff S

Responses of fibroblasts to anchorage of dorsal extracellular matrix receptors

Fibroblasts in 2D cultures differ dramatically in behavior from those in the 3D environment of a multicellular organism. However, the basis of this disparity is unknown. A key difference is the spatial arrangement of anchored extracellular matrix...
Authors: Beningo KA, Dembo M and Wang YL

Both the establishment and the maintenance of neuronal polarity require active mechanisms: critical roles of GSK-3beta and its upstream regulators

Axon-dendrite polarity is a cardinal feature of neuronal morphology essential for information flow. Here we report a differential distribution of GSK-3beta activity in the axon versus the dendrites. A constitutively active GSK-3beta mutant inhibited...
Authors: Jiang H, Guo W, Liang X and Rao Y

Farnesyltransferase inhibitors interact synergistically with the CHK1 inhibitor UCN-01 to induce apoptosis in human leukemia cells through interruption of both AKT and MEK/ERK pathways and activation of SEK1/JNK

Interactions between the Chk1 inhibitor UCN-01 and the farnesyltransferase inhibitor L744832 were examined in human leukemia cells. Combined exposure of U937 cells to subtoxic concentrations of UCN-01 and L744832 resulted in a dramatic increase in...
Authors: Dai Y, Rahmani M, Pei XY, Khanna P, Han SI, Mitchell C, Dent P, Grant S

Dynamic changes in Mcl-1 expression regulate macrophage viability or commitment to apoptosis during bacterial clearance

Macrophages are critical effectors of bacterial clearance and must retain viability, despite exposure to toxic bacterial products, until key antimicrobial functions are performed. Subsequently, host-mediated macrophage apoptosis aids resolution of...
Authors: Marriott HM, Bingle CD, Read RC, Braley KE, Kroemer G, Hellewell PG, Craig RW, Whyte MK and Dockrell...

Cotreatment with Suberanoylanilide Hydroxamic Acid and 17-Allylamino 17-demethoxygeldanamycin Synergistically Induces Apoptosis in Bcr-Abl+ Cells Sensitive and Resistant to STI571 (Imatinib Mesylate) in Association with Down-Regulation of Bcr-Abl, Abrogation of Signal Transducer and Activator of Transcription 5 Activity, and Bax Conformational Change

Interactions between the histone deacetylase (HDAC) inhibitors suberanoylanilide hydroxamic acid (SAHA) and sodium butyrate (SB) and the heat shock protein (Hsp) 90 antagonist 17-allylamino 17-demethoxygeldanamycin (17-AAG) have been examined in...
Authors: Rahmani M, Reese E, Dai Y, Bauer C, Kramer LB, Huang M, Jove R, Dent P and Grant S
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