Search Results - "Ponta, Helmut"
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A CD44v6 peptide reveals a role of CD44 in VEGFR-2 signaling and angiogenesis
Published in Blood (10-12-2009)“…A specific splice variant of the CD44 cell- surface protein family, CD44v6, has been shown to act as a coreceptor for the receptor tyrosine kinase c-Met on…”
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2
Merlin/neurofibromatosis type 2 suppresses growth by inhibiting the activation of ras and rac
Published in Cancer research (Chicago, Ill.) (15-01-2007)“…The small G-protein Ras is a tightly controlled regulator of cell fate. Prolonged or persistent arrest in the activated GTP-loaded state by mutation of Ras as…”
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3
Hepatocyte growth factor-induced Ras activation requires ERM proteins linked to both CD44v6 and F-actin
Published in Molecular biology of the cell (01-01-2007)“…In several types of cells, the activation of the receptor tyrosine kinase c-Met by its ligand hepatocyte growth factor (HGF) requires the coreceptor CD44v6…”
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4
CD44 is required for two consecutive steps in HGF/c-Met signaling
Published in Genes & development (01-12-2002)“…The tyrosine kinase receptor c-Met and its ligand HGF/SF, ezrin, and splice variants of CD44 have independently been identified as tumor metastasis-associated…”
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5
Soluble CD44 inhibits melanoma tumor growth by blocking cell surface CD44 binding to hyaluronic acid
Published in Oncogene (07-06-2001)“…Proteolytic cleavage of the extracellular domain of CD44 from the surface of cells has been observed recently in different cell types. In cell culture…”
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Haploinsufficiency of c-Met in cd44−/− Mice Identifies a Collaboration of CD44 and c-Met In Vivo
Published in Molecular and Cellular Biology (01-12-2007)“…Article Usage Stats Services MCB Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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Hyaluronate receptors: key players in growth, differentiation, migration and tumor progression
Published in Current opinion in cell biology (01-10-1994)“…Hyaluronate (HA) is an abundant component of extracellular matrix that is believed to be crucial in many cellular processes, including tissue remodeling, the…”
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8
CD44 Acts Both as a Growth- and Invasiveness-Promoting Molecule and as a Tumor-Suppressing Cofactor
Published in Annals of the New York Academy of Sciences (01-06-2000)“…: High‐molecular‐weight splice variants of the CD44 transmembrane protein family have been implicated in tumorigenesis and metastasis formation. By contrast,…”
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A new variant of glycoprotein CD44 confers metastatic potential to rat carcinoma cells
Published in Cell (05-04-1991)“…Using a monoclonal antibody (MAb1.1ASML) raised against a surface glycoprotein of the metastasizing rat pancreatic carcinoma cell line BSp73ASML, cDNA clones…”
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10
Splicing choice from ten variant exons establishes CD44 variability
Published in Nucleic acids research (11-03-1993)“…The enormous heterogeneity of the surface protein designated CD44 is in part due to posttranslational modification, and in part due to differential splicing…”
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Heterogeneous Ribonucleoprotein A1 Is Part of an Exon-specific Splice-silencing Complex Controlled by Oncogenic Signaling Pathways
Published in The Journal of biological chemistry (10-11-2000)“…Regulation of alternative pre-mRNA splicing, recognized as increasingly important in causing human disease, was studied using the CD44 gene, whose splice…”
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12
Antitumor promotion and antiinflammation: down-modulation of AP-1 (Fos/Jun) activity by glucocorticoid hormone
Published in Cell (21-09-1990)“…Glucocorticoid hormones counteract inflammation and phorbol ester tumor promotion and drastically decrease the expression of several extracellular proteases,…”
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13
Participation in Normal Immune Responses of a Metastasis-Inducing Splice Variant of CD44
Published in Science (American Association for the Advancement of Science) (31-07-1992)“…A variant of the glycoprotein CD44 (CD44v) that shares sequences with variants causally involved in metastasis formation is transiently expressed on B and T…”
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14
An Essential Role for CD44 Variant Isoforms in Epidermal Langerhans Cell and Blood Dendritic Cell Function
Published in The Journal of cell biology (02-06-1997)“…Upon antigen contact, epidermal Langerhans cells (LC) and dendritic cells (DC) leave peripheral organs and home to lymph nodes via the afferent lymphatic…”
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15
CD44 expression and regulation during mammary gland development and function
Published in Journal of cell science (15-07-2000)“…The CD44v6 epitope has been widely reported to be expressed in human mammary carcinomas, yet its prognostic significance is controversial and its function in…”
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16
CD44 variant–specific antibodies trigger hemopoiesis by selective release of cytokines from bone marrow macrophages
Published in Blood (01-06-2002)“…Hemopoiesis is regulated by the complex interplay between the bone marrow microenvironment and hemopoietic stem cells and progenitors. The local production of…”
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Comparison of immunohistochemistry and RT-PCR for detection of CD44v-expression, a new prognostic factor in human breast cancer
Published in International journal of cancer (08-02-1995)“…In different human tumors, splice variants of the surface glycoprotein CD44 (CD44v) are correlated with advanced stages of tumor growth and metastatic…”
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Variant Exons v6 and v7 Together Expand the Repertoire of Glycosaminoglycans Bound by CD44
Published in The Journal of biological chemistry (12-12-1997)“…Isoforms of the glycoprotein CD44 are cell surface receptors for the glycosaminoglycan hyaluronate. They have been implicated in many biological processes, but…”
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19
Identification of IHABP, a 95 kDa intracellular hyaluronate binding protein
Published in Journal of cell science (01-06-1998)“…The extracellular matrix component hyaluronan is believed to play important roles in various processes of organogenesis, cell migration and cancer. Recognition…”
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20
Interdomain binding mediates tumor growth suppression by the NF2 gene product
Published in Oncogene (13-11-1997)Get full text
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