Search results for: MDC15
#11592366 // To Up
Highly enhanced expression of the disintegrin metalloproteinase MDC15 (metargidin) in rheumatoid synovial tissue.The aim of the study was to analyze the expression of the disintegrin metalloproteinase MDC15 (metargidin, or ADAM15) at the messenger RNA (mRNA) and protein levels in synovial tissue from osteoarthritis (OA) and rheumatoid arthritis (RA) patients compared with normal specimens.
B B BÃ¶hm, T Aigner, C P Blobel, J R Kalden, H Burkhardt
1760 related Products with: Highly enhanced expression of the disintegrin metalloproteinase MDC15 (metargidin) in rheumatoid synovial tissue.100.00 ug100μg100μg96T100μg
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Cellular localization of the disintegrin CRII-7/rMDC15 mRNA in rat PNS and CNS and regulated expression in postnatal development and after nerve injury.Disintegrins perform putative functions in cell adhesion, signaling and fusion. We have isolated a 2815-bp rat cDNA (CRII-7) representing a transcript that is differentially expressed during sciatic nerve regeneration. Nucleotide sequence comparison indicates that CRII-7 is the rat homologue to the recently cloned cDNAs MDC15 (ADAM 15) and metargidin (hMDC15) of mouse and human, respectively. The CRII-7 cDNA (rMDC15) encodes a membrane-anchored glycoprotein of approximately 85 kDa containing a disintegrin and a metalloprotease domain. Cellular metalloprotease disintegrins are a family of proteins (ADAMs or MDC proteins) with important roles, e.g., in cell-cell interactions during fertilization, muscle and nerve development, or tumor necrosis factor-alpha (TNF-alpha) cleavage. Northern blot analysis demonstrated a predominant expression of CRII-7/rMDC15 in the nervous system (PNS and CNS) and lung. Analysis of the CRII-7/rMDC15 transcript levels following peripheral nerve lesions demonstrated regulated mRNA expression during Wallerian degeneration and nerve regeneration. The steady-state levels of CRII-7/rMDC15 transcripts markedly increased within the first day after lesion and then steadily decreased for at least 4 weeks. CRII-7/rMDC15 mRNA expression was further examined during postnatal development and maturation of rat sciatic nerve and brain, as well as in cultured Schwann cells, meningeal fibroblasts, and astrocytes. In situ hybridization on paraffin sections showed the cellular localization of CRII-7/rMDC15 mRNA in Schwann cells and endothelial cells of peripheral nerve and in various neuronal populations in brain and spinal cord.
F Bosse, G Petzold, R Greiner-Petter, U Pippirs, C Gillen, H W MÃ¼ller
2338 related Products with: Cellular localization of the disintegrin CRII-7/rMDC15 mRNA in rat PNS and CNS and regulated expression in postnatal development and after nerve injury.300 units25 mg11,000 tests100ul50 mg10 mg100ug
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Interaction of the metalloprotease disintegrins MDC9 and MDC15 with two SH3 domain-containing proteins, endophilin I and SH3PX1.Metalloprotease disintegrins (a disintegrin and metalloprotease (ADAM) and metalloprotease, disintegrin, cysteine-rich proteins (MDC)) are a family of membrane-anchored glycoproteins that function in diverse biological processes, including fertilization, neurogenesis, myogenesis, and ectodomain processing of cytokines and other proteins. The cytoplasmic domains of ADAMs often include putative signaling motifs, such as proline-rich SH3 ligand domains, suggesting that interactions with cytoplasmic proteins may affect metalloprotease disintegrin function. Here we report that two SH3 domain-containing proteins, endophilin I (SH3GL2, SH3p4) and a novel SH3 domain- and phox homology (PX) domain-containing protein, termed SH3PX1, can interact with the cytoplasmic domains of the metalloprotease disintegrins MDC9 and MDC15. These interactions were initially identified in a yeast two-hybrid screen and then confirmed using bacterial fusion proteins and co-immunoprecipitations from eukaryotic cells expressing both binding partners. SH3PX1 and endophilin I both preferentially bind the precursor but not the processed form of MDC9 and MDC15 in COS-7 cells. Since rat endophilin I is thought to play a role in synaptic vesicle endocytosis and SH3PX1 has sequence similarity to sorting nexins in yeast, we propose that endophilin I and SH3PX1 may have a role in regulating the function of MDC9 and MDC15 by influencing their intracellular processing, transport, or final subcellular localization.
L Howard, K K Nelson, R A Maciewicz, C P Blobel
2852 related Products with: Interaction of the metalloprotease disintegrins MDC9 and MDC15 with two SH3 domain-containing proteins, endophilin I and SH3PX1.100ul1 Set201 Set201 Set1 Set1 Set1 Set1 Set50 1000
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Up-regulation of MDC15 (metargidin) messenger RNA in human osteoarthritic cartilage.The aim of the study was to investigate the messenger RNA (mRNA) expression of the disintegrin metalloproteinase MDC15 (metargidin, or ADAM-15) in normal and osteoarthritic (OA) articular cartilage.
B B BÃ¶hm, T Aigner, A Gehrsitz, C P Blobel, J R Kalden, H Burkhardt
1356 related Products with: Up-regulation of MDC15 (metargidin) messenger RNA in human osteoarthritic cartilage.100 μg100 μg100 μg100 μg100 μg100 μg1mg100μg100 μg2 100 μg4 Arrays/Slide
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Intracellular maturation of the mouse metalloprotease disintegrin MDC15.Metalloprotease disintegrins are a family of membrane-anchored glycoproteins that play a role in fertilization, myoblast fusion, neuronal development, and cleavage of the membrane-anchored cytokine tumor necrosis factor-alpha. Here, we report the cloning and cDNA sequencing of the mouse metalloprotease disintegrin MDC15 and an analysis of its processing in the secretory pathway. A notable difference between mMDC15 and its putative human orthologue (hMDC15, metargidin) is the presence of the peptide sequence TDDC instead of the RGDC found in the disintegrin domain of hMDC15. In a Western blot analysis the majority of mMDC15 was found to lack the pro-domain in all mouse tissues examined. Pulse-chase experiments in transiently transfected COS-7 cells suggest that mMDC15 is processed by a pro-protein convertase in a late Golgi compartment, since (i) addition of brefeldin A or monensin blocks pro-domain removal, (ii) all detectable processed mMDC15 is endoglycosidase H -resistant, and (iii) a recombinant soluble form of the trans-Golgi network pro-protein convertase furin can mimic mMDC15 processing in vitro. Cell-surface trypsinization revealed that more than half of mature mMDC15 is intracellular. Immunolocalization provided evidence for a strong perinuclear accumulation in a region resembling the trans-Golgi network and/or endosomal compartments. This study provides the first characterization of the intracellular processing of a metalloprotease disintegrin, and highlights the potential role of pro-protein convertases in removal of the inhibitory pro-domain. These results further suggest possible intracellular functions for mMDC15, such as in protein maturation, in addition to a potential role in cell-surface proteolysis or cell adhesion.
L Lum, M S Reid, C P Blobel
2892 related Products with: Intracellular maturation of the mouse metalloprotease disintegrin MDC15.100 96T/Kit 100 ul100ug100ug0.2 mg0.1 mg500 100.00 ug100.00 ug
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Cloning and initial characterization of mouse meltrin beta and analysis of the expression of four metalloprotease-disintegrins in bone cells.Here we report the cloning and initial biochemical characterization of the mouse metalloprotease/disintegrin/cysteine-rich (MDC) protein meltrin beta and the analysis of the mRNA expression of four MDC genes (meltrin alpha, meltrin beta, mdc9, and mdc15) in bone cells, including osteoclasts and osteoblasts. Like most other MDC proteins, the predicted meltrin beta protein consists of a signal sequence, prodomain, metalloprotease domain with a predicted catalytic site, disintegrin domain, cysteine-rich region, epidermal growth factor repeat, transmembrane domain, and cytoplasmic domain with putative signaling motifs, such as potential SH3 ligand domains. Northern blot analysis indicates that meltrin beta is widely expressed, with the highest expression in bone, heart, and lung. RNase protection studies revealed expression of all four MDC genes analyzed here in osteoblasts, whereas only mdc9 and mdc15 mRNAs were detectable in osteoclast-like cells generated in vitro. Treatment of primary osteoblasts with 10 nM calcitriol increased meltrin beta expression more than 3-fold, and both meltrin alpha and meltrin beta expression is apparently regulated in a differentiation-associated manner in a mouse osteoblastic cell line, MC3T3E1. Collectively, these results suggest that meltrin alpha and meltrin beta may play a role in osteoblast differentiation and/or function but are not likely to be involved in osteoclast fusion.
D Inoue, M Reid, L Lum, J KrÃ¤tzschmar, G Weskamp, Y M Myung, R Baron, C P Blobel
1935 related Products with: Cloning and initial characterization of mouse meltrin beta and analysis of the expression of four metalloprotease-disintegrins in bone cells.100 μg100.00 ug500 100ug5ug25 1 mg1.00 mg100ug200.00 ug2ug
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