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4661 results sorted by

Marlin-1 a novel RNA binding protein associates with GABA(subB) receptors

GABA(subB) receptors are heterodimeric G protein-coupled receptors that mediate slow synaptic inhibition in the CNS. While heterodimerization between GABA(subB) receptor GABA(subB)R1 and GABA(subB)R2 subunits is essential for functional expression,...
Authors: Couve A, Restituito S, Brandon JM, Charles KJ, Bawagan H, Freeman KB, Pangalos MN, Calver AR and...

CD154 transcriptional regulation in primary human CD4 T cells

CD154 (CD40-ligand) has a wide variety of pleiotropic effects throughout the immune system and is critical to both cellular and humoral immunity. Cell surface and soluble CD154 are primarily expressed by activated CD4 T cells. Expression of CD154 is...
Authors: Cron RQ

Rapid and efficient electroporation-based gene transfer into primary dissociated neurons

Non-viral gene transfer into neurons has proved to be a formidable task. Here, we describe an electroporation-based method that allows efficient and reliable DNA transfer into dissociated neural cells before they are plated and cultured. In...
Authors: Dityateva G, Hammond M, Thiel C, Ruonala MO, Delling M, Siebenkotten G, Nix M and Dityatev A
SST Peer Reviewed

Downregulation of TGFbeta isoforms and their receptors contributes to keratinocyte hyperproliferation in psoriasis vulgaris

BACKGROUND: Psoriasis vulgaris is a chronic inflammatory disorder characterized by epidermal hyperproliferation. Transforming growth factor beta (TGFbetas) have a major antiproliferative action in epidermis. OBJECTIVE: We evaluated the distribution...
Authors: Doi H, Shibata MA, Kiyokane K and Otsuki Y

Focal adhesion kinase signaling promotes phagocytosis of integrin-bound photoreceptors

Daily alphavbeta5 integrin-dependent phagocytosis of spent photoreceptor outer segment fragments by the retinal pigment epithelium (RPE) is critical for retinal function. This study identifies a key role for focal adhesion kinase (FAK) in RPE...
Authors: Finnemann SC

Activation of resting human primary T cells with chimeric receptors: costimulation from CD28, inducible costimulator, CD134, and CD137 in series with signals from the TCRzeta chain

Chimeric receptors that include CD28 signaling in series with TCRzeta in the same receptor have been demonstrated to activate prestimulated human primary T cells more efficiently than a receptor providing TCRzeta signaling alone. We examined whether...
Authors: Finney HM, Akbar AN and Lawson ADG

Involvement of Crm 1 in hepatitis B virus X protein-induced aberrant centriole replication and abnormal mitotic spindles

Hepatitis B virus (HBV) includes an X gene (HBx gene) that plays a critical role in liver carcinogenesis. Because centrosome abnormalities are associated with genomic instability in most human cancer cells, we examined the effect of HBx on...
Authors: Forgues M, Difilippantonio MJ, Linke SP, Ried T, Nagashima K, Feden, J, Valerie K, Fukasawa K and...

Novel cell specific and dominant negative anti apoptotic roles of p73 in transformed leukemia cells

Although extensive homology exists between related genes p53 and p73, recent data suggest that the family members have divergent roles. We demonstrate that the differential regulatory roles of p53 family member p73 are highly cell-context and...
Authors: Freebern W, Smith JL, Chaudhry SS, Haggerty CM and Gardner K

NPC1 and NPC2 regulate cholesterol homeostasis through generation of LDL cholesterol-derived oxysterols

Mutations in the Niemann-Pick disease genes cause lysosomal cholesterol accumulation and impaired low density lipoprotein (LDL) cholesterol esterification. These findings have been attributed to a block in cholesterol movement from lysosomes to the...
Authors: Frolov A, Zielinski SE, Crowley JR, Dudley-Rucker N, Schaffer JE and Ory DS

The gene product Murr1 restricts HIV-1 replication in resting CD4+ lymphocytes

Although human immunodeficiency virus-1 (HIV-1) infects quiescent and proliferating CD4+ lymphocytes, the virus replicates poorly in resting T cells. Factors that block viral replication in these cells might help to prolong the asymptomatic phase of...
Authors: Ganesh L, Burstein E, Guha-Niyogi A, Louder MK, Mascola JR, Klomp LW, Wijmenga C, Duckett CS and...
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