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Tumor cell traffic through the extracellular matrix is controlled by the membrane-anchored collagenase MT1-MMP

As cancer cells traverse collagen-rich extracellular matrix (ECM) barriers and intravasate, they adopt a fibroblast-like phenotype and engage undefined proteolytic cascades that mediate invasive activity. Herein, we find that fibroblasts and cancer...
Authors: Sabeh F, Ota I, Holmbeck K, Birkedal-Hansen H, Soloway P, Balbin M, Lopez-Otin C, Shapiro S, Inada...

Caveolin-1 expression is critical for vascular endothelial growth factor-induced ischemic hindlimb collateralization and nitric oxide-mediated angiogenesis

Nitric oxide (NO) is a powerful angiogenic mediator acting downstream of vascular endothelial growth factor (VEGF). Both the endothelial NO synthase (eNOS) and the VEGFR-2 receptor colocalize in caveolae. Because the structural protein of these...
Authors: Sonveaux P, Martinive P, DeWever J, Batova Z, Daneau G, Pelat M, Ghisdal P, Gregoire V, Dessy C,...

Efficient gene transfer into murine embryonic stem cells by nucleofection

Genetic manipulation of embryonic stem (ES) cells is performed by non-viral as well as viral transfection methods. We tested the recently developed nucleofection method delivering plasmid DNA directly into the nucleus for the introduction of a...
Authors: Lorenz P, Harnack U and Morgenstern R

Molecular cloning and expression regulation of PRG-3, a new member of the plasticity-related gene family

Phospholipid-mediated signalling on neurons provokes diverse responses such as neurogenesis, pattern formation and neurite remodelling. We have recently uncovered a novel set of molecules in the mammalian brain, named plasticity-related genes (PRGs),...
Authors: Savaskan NE, Brauer AU and Nitsch R

Par6alpha signaling controls glial-guided neuronal migration

Neuronal migrations along glial fibers provide a primary pathway for the formation of cortical laminae. To examine the mechanisms underlying glial-guided migration, we analyzed the dynamics of cytoskeletal and signaling components in living neurons....
Authors: Solecki DJ, Model L, Gaetz J, Kapoor TM and Hatten ME

The X-linked mental retardation protein oligophrenin-1 is required for dendritic spine morphogenesis

Of 11 genes involved in nonspecific X-linked mental retardation (MRX), three encode regulators or effectors of the Rho GTPases, suggesting an important role for Rho signaling in cognitive function. It remains unknown, however, how mutations in...
Authors: Govek EE, Newey SE, Akerman CJ, Cross JR, Van der Veken L and Van Aelst L

Ndel1 Operates in a Common Pathway with LIS1 and Cytoplasmic Dynein to Regulate Cortical Neuronal Positioning

Correct neuronal migration and positioning during cortical development are essential for proper brain function. Mutations of the LIS1 gene result in human lissencephaly (smooth brain), which features misplaced cortical neurons and disarrayed cerebral...
Authors: Shu T, Ayala R, Nguyen MD, Xie Z, Gleeson JG and Tsai LH

New non-viral method for gene transfer into primary cells

The availability of genetically altered cells is an essential prerequisite for many scientific and therapeutic applications including functional genomics, drug development, and gene therapy. Unfortunately, the efficient gene transfer into primary...
Authors: Gresch O, Engel FB, Nesic D, Tran TT, England HM, Hickman ES, Korner I, Gan L, Chen S,...

Identification of a novel tumor necrosis factor -responsive region in the NCF2 promoter

The phagocyte reduced nicotinamide adenine dinucleotide phosphate oxidase is a multiprotein enzyme that catalyzes the production of microbicidal oxidants. Although oxidase assembly involves association of several membrane and cytosolic oxidase...
Authors: Gauss KA, Bunger PL, Larson TC, Young CJ, Nelson-Overton LK, Siemsen DW and Quinn MT

WHIM syndromes with different genetic anomalies are accounted for by impaired CXCR4 desensitization to CXCL12

The WHIM syndrome is a rare immunodeficiency disorder characterized by Warts, Hypogammaglobulinemia, Infections and Myelokathexis. Dominant heterozygous mutations of the gene encoding CXCR4, a G protein-coupled receptor with a unique ligand, CXCL12,...
Authors: Balabanian K, Lagane B, Pablos JL, Laurent L, Planchenault T, Verola O, Lebbe C, Kerob D, Dupuy A,...
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