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Membrane cofactor protein (MCP) of the complement system is a iC3/C3b binding molecule with cofactor activity that has been identified on all human peripheral blood cells except erythrocytes. Human mononuclear and platelet MCP is dimeric with molecular weights of 68,000 and 63,000 and is expressed in three phenotypic patterns. To further determine its tissue distribution, surface-labeled human fibroblast, epithelial, and endothelial cells and cell lines were assessed for the presence of MCP by iC3 affinity chromatography and by immunoprecipitation with a monospecific anti-MCP rabbit polyclonal antibody. All sources of adult and fetal fibroblast and epithelial cells and cell lines examined and umbilical vein endothelial cells expressed MCP. The molecular weight and phenotypic patterns of MCP were similar to those of peripheral blood cells. MCP was synthesized by fibroblast and epithelial cell lines. Solubilized extracts of these cell lines expressed factor I-dependent cofactor activity for the first cleavage of iC3/C3b which was abrogated by removal of MCP. Expression of MCP was modulated by SV40 transformation of two fetal fibroblast lines. There was a 5- to 10-fold increase in expression of MCP and a preferential expression of the lower species such that the phenotypic designation was changed. The wide tissue distribution and activity profile of MCP suggest that it is likely to play an important role in the regulation of the complement cascade.
T McNearney, L Ballard, T Seya, J P Atkinson
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Oral Microbiology and Immunology | 2009 |
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Annals of the New York Academy of Sciences | 2008 |
Decidual endothelial cells express surface-bound C1q as a molecular bridge between endovascular trophoblast and decidual endothelium
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Molecular Immunology | 2008 |
Identification of MCP/CD46 analogue on bovine erythrocytes using the new monoclonal antibody IVA-520
J Antalíková, M Simon, J Jankovičová, Ľ Horovská |
Veterinary Immunology and Immunopathology | 2007 |
Myasthenia gravis: past, present, and future
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Journal of Clinical Investigation | 2006 |
Cross-talk between the complement system and endothelial cells in physiologic conditions and in vascular diseases
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Autoimmunity | 2006 |
Complement and Kidney Disease
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2006 | |
Helicobacter pylori eradication decreases the expression of glycosylphosphatidylinositol-anchored complement regulators, decay-accelerating factor and homologous restriction factor 20, in human gastric epithelium
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Journal of Gastroenterology and Hepatology | 2005 |
Effect of IL-4 on altered expression of complement activation regulators in rat pancreatic cells during severe acute pancreatitis
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World journal of gastroenterology : WJG | 2005 |
Effect of IL-4 on altered expression of complement activation regulators in rat pancreatic cells during severe acute pancreatitis.
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World Journal of Gastroenterology | 2005 |
Complement regulatory proteins in normal human esophagus and esophageal squamous cell carcinoma
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Journal of Gastroenterology and Hepatology | 2004 |
Mutations in CD46, a complement regulatory protein, predispose to atypical HUS
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Trends in Molecular Medicine | 2004 |
CD46 in Neisseria pathogenesis
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Trends in Molecular Medicine | 2004 |
Do poor-prognosis breast tumours express membrane cofactor proteins (CD46)?
Z Madjd, LG Durrant, SE Pinder, IO Ellis, J Ronan, S Lewis, NK Rushmere, I Spendlove |
Cancer Immunology, Immunotherapy | 2004 |
Respective Roles of Decay-Accelerating Factor and CD59 in Circumventing Glomerular Injury in Acute Nephrotoxic Serum Nephritis
F Lin, DJ Salant, H Meyerson, S Emancipator, BP Morgan, ME Medof |
Journal of immunology (Baltimore, Md. : 1950) | 2004 |
Mutations in human complement regulator, membrane cofactor protein (CD46), predispose to development of familial hemolytic uremic syndrome
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Proceedings of the National Academy of Sciences | 2003 |
Enhanced expression of decay-accelerating factor and CD59/homologous restriction factor 20 in intestinal metaplasia, gastric adenomas and intestinal-type gastric carcinomas but not in diffuse-type carcinomas
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Human umbilical vein endothelial cells express complement receptor 1 (CD35) and complement receptor 4 (CD11c/CD18) in vitro
Harald Langeggen, Knut Erik Berge, Egil Johnson, Geir Hetland |
Inflammation | 2002 |
Polymorphic expression of decay-accelerating factor in human colorectal cancer
M Nakagawa, M Mizuno, M Kawada, T Uesu, J Nasu, K Takeuchi, H Okada, Y Endo, T Fujita, T Tsuji |
Journal of Gastroenterology and Hepatology | 2001 |
A HUMAN CD46 TRANSGENIC PIG MODEL SYSTEM FOR THE STUDY OF DISCORDANT XENOTRANSPLANTATION
LE Diamond, CM Quinn, MJ Martin, J Lawson, JL Platt, JS Logan |
Transplantation | 2001 |
Inverse relationship between pilus-mediated gonococcal adherence and surface expression of the pilus receptor, CD46
DM Tobiason, HS Seifert |
Microbiology | 2001 |
Induction of aggregation in porcine lymphoid cells by antibodies to CD46
R Bullido, JP de la Lastra, F Almazán, A Ezquerra, D Llanes, F Alonso, J Domı́nguez |
Veterinary Immunology and Immunopathology | 2000 |
Expression of complement regulator proteins in primary and metastatic malignant melanoma
M Weichenthal, U Siemann, K Neuber, EW Breitbart |
Journal of Cutaneous Pathology | 1999 |
Distribution of membrane cofactor protein (MCP/CD46) on pig tissues. Relevance To xenotransplantation
JM de la Lastra, SM Hanna, BP Morgan |
Immunology | 1999 |
Elevated serum levels of soluble membrane cofactor protein (CD46, MCP) in patients with systemic lupus erythematosus (SLE)
M Kawano, T Seya, I Koni, H Mabuchi |
Clinical & Experimental Immunology | 1999 |
Detection of humoral rejection in human cardiac allografts by assessing the capillary deposition of complement fragment C4d in endomyocardial biopsies
TM Behr, HE Feucht, K Richter, C Reiter, CH Spes, D Pongratz, P Überfuhr, B Meiser, K Theisen, CE Angermann |
The Journal of Heart and Lung Transplantation | 1999 |
Expression of membrane cofactor protein (MCP, CD46) in human liver diseases
N Kinugasa, T Higashi, K Nouso, H Nakatsukasa, Y Kobayashi, M Ishizaki, N Toshikuni, K Yoshida, S Uematsu, T Tsuji |
British Journal of Cancer | 1999 |
Induction of Decay-Accelerating Factor by Cytokines or the Membrane-Attack Complex Protects Vascular Endothelial Cells Against Complement Deposition
JC Mason, H Yarwood, K Sugars, BP Morgan, KA Davies, DO Haskard |
Blood | 1999 |
Complement Regulation
S Meri, H Jarva |
Vox Sanguinis | 1998 |
Altered expression of membrane inhibitors of complement in human gastric epithelium during Helicobacter-associated gastritis
Sasaki, Joh, Tada, Okada, Yokoyama, Itoh |
Histopathology | 1998 |
Decay-accelerating factor is a component of subendothelial extracellular matrixin vitro, and is augmented by activation of endothelial protein kinase C
EJ Hindmarsh, RM Marks |
European Journal of Immunology | 1998 |
EXPRESSION AND FUNCTIONAL ANALYSIS OF GLYCOSYL-PHOSPHATIDYL INOSITOL-LINKED CD46 IN TRANSGENIC MICE:
TA Shinkel, PJ Cowan, H Barlow, A Aminian, M Romanella, DM Lublin, MJ Pearse, AJ d'Apice |
Transplantation | 1998 |
Expression of the complement regulatory proteins decay accelerating factor (DAF, CD55), membrane cofactor protein (MCP, CD46) and CD59 in the normal human uterine cervix and in premalignant and malignant cervical disease
KL Simpson, A Jones, S Norman, CH Holmes |
The American Journal of Pathology | 1997 |
Transgenic expression of a CD46 (membrane cofactor protein) minigene: Studies of xenotransplantation and measles virus infection
BR Thorley, J Milland, D Christiansen, MB Lanteri, B McInnes, I Moeller, P Rivailler, B Horvat, C Rabourdin-Combe, D Gerlier, IF McKenzie, BE Loveland |
European Journal of Immunology | 1997 |
Unique Expression of HRF20 (CD59) in Human Nervous Tissue
H Akatsu, T Yamada, N Okada, T Yamamoto, M Yamashina, H Okada |
Microbiology and Immunology | 1997 |
Human carcinomas variably express the complement inhibitory proteins CD46 (membrane cofactor protein), CD55 (decay-accelerating factor), and CD59 (protectin)
GA Niehans, DL Cherwitz, NA Staley, DJ Knapp, AP Dalmasso |
The American Journal of Pathology | 1996 |
The humoral immune response towards HLA class II determinants in renal transplantation
HE Feucht, G Opelz |
Kidney International | 1996 |
Gene Targeting of Animals
Y SENDAI, H HOSHI |
Journal of the agricultural chemical society of Japan | 1996 |
Membrane cofactor protein (CD46) is a keratinocyte receptor for the M protein of the group A streptococcus
N Okada, MK Liszewski, JP Atkinson, M Caparon |
Proceedings of the National Academy of Sciences | 1995 |
Identification of the Complement Regulatory Proteins CD46, CD55, and CD59 in Human Fallopian Tube, Endometrium, and Cervical Mucosa and Secretion
TS Jensen, L Bjørge, AL Wollen, M Ulstein |
American Journal of Reproductive Immunology | 1995 |
Membrane proteins that protect against complement lysis
BP Morgan, S Meri |
Springer Seminars in Immunopathology | 1994 |
Vascular Endothelium
MA Gimbrone, MI Cybulsky, N Kume, T Collins, N Resnick |
Annals of the New York Academy of Sciences | 1994 |
Multiple isoforms of CD46 (membrane cofactor protein) serve as receptors for measles virus
M Manchester, MK Liszewski, JP Atkinson, MB Oldstone |
Proceedings of the National Academy of Sciences | 1994 |
Binding of measles virus to membrane cofactor protein (CD46): importance of disulfide bonds and N-glycans for the receptor function
A Maisner, J Schneider-Schaulies, MK Liszewski, JP Atkinson, G Herrler |
Journal of virology | 1994 |
Modulation of complement regulatory function and measles virus receptor function by the serine-threonine-rich domains of membrane cofactor protein (CD46)
K Iwata, T Seya, S Ueda, H Ariga, S Nagasawa |
Biochemical Journal | 1994 |
In vivo effects of monoclonal antibodies that functionally inhibit complement regulatory proteins in rats
S Matsuo, S Ichida, H Takizawa, N Okada, L Baranyi, A Iguchi, BP Morgan, H Okada |
Journal of Experimental Medicine | 1994 |
Tissue distribution of complement regulatory membrane proteins in rats
K Funabashi, N Okada, S Matsuo, T Yamamoto, BP Morgan, H Okada |
Immunology | 1994 |
High expression of the antigen recognized by the monoclonal antibody GB24 on human breast carcinomas: A preventive mechanism of malignant tumor cells against complement attack?
P Hofman, , S Manie, P Fenichel, A Thyss, B Rossi |
Breast Cancer Research and Treatment | 1994 |
Complement in human reproduction: Activation and control
IA Rooney, TJ Oglesby, JP Atkinson |
Immunologic Research | 1993 |
Identification and quantification of complement regulator CD46 on normal human tissues
RW Johnstone, BE Loveland, IF McKenzie |
Immunology | 1993 |
Expression of CD59, a complement regulator protein and a second ligand of the CD2 molecule, and CD46 in normal and neoplastic colorectal epithelium
K Koretz, S Brüderlein, C Henne, P Möller |
British Journal of Cancer | 1993 |
Complement regulatory proteins in early human fetal life: CD59, membrane co-factor protein (MCP) and decay-accelerating factor (DAF) are differentially expressed in the developing liver
KL Simpson, JM Houlihan, CH Holmes |
Immunology | 1993 |
Polymorphic expression of CD46 protein isoforms due to tissue-specific RNA splicing
RW Johnstone, SM Russell, BE Loveland, IF McKenzie |
Molecular Immunology | 1993 |
Expression of complement receptor 2 (CR2) on HTLY-1-infected lymphocytes and transformed cell lines
TA McNearney, CF Ebenbichler, M Tötsch, MP Dierich |
European Journal of Immunology | 1993 |
Activated C3 (C3b) in the nephritic glomerulus
C Pan, CF Strife, AJ McAdams, CD West |
Pediatric Nephrology | 1993 |
Complement in Health and Disease
K Whaley, M Loos, JM Weiler |
1993 | |
Expression and localization of proteins of the complement system in human skin
N Dovezenski, R Billetta, I Gigli |
Journal of Clinical Investigation | 1992 |
Soluble forms of membrane cofactor protein (CD46, MCP) are present in plasma, tears, and seminal fluid in normal subjects
T Hara, S Kuriyama, H Kiyohara, Y Nagase, M Matsumoto, T Seya |
Clinical & Experimental Immunology | 1992 |
CD59 expressed by human endothelial cells functions as a protective molecule against complement-mediated lysis
RA Brooimans, AA van der Ark, M Tomita, LA van Es, MR Daha |
European Journal of Immunology | 1992 |
Complement regulatory proteins at the feto-maternal interface during human placental development: distribution of CD59 by comparison with membrane cofactor protein(CD46) and decay accelerating factor (CD55)
CH Holmes, KL Simpson, H Okada, N Okada, SD Wainwright, DF Purcell, JM Houlihan |
European Journal of Immunology | 1992 |
Relative roles of decay-accelerating factor, membrane cofactor protein, and CD59 in the protection of human endothelial cells against complement-mediated lysis
RA Brooimans, PA van Wieringen, LA van Es, MR Daha |
European Journal of Immunology | 1992 |
Polymorphism and proteolytic fragments of granulocyte membrane cofactor protein (MCP, CD46) of complement
M Matsumoto, T Seya, S Nagasawa |
Biochemical Journal | 1992 |
Expression of the CD46 antigen, and absence of class I MHC antigen, on the human oocyte and preimplantation blastocyst
JM Roberts, CT Taylor, GC Melling, CR Kingsland, PM Johnson |
Immunology | 1992 |
Strong associations between RFLP and protein polymorphisms for CD46
AN Wilton, RW Johnstone, IF McKenzie, DF Purcell |
Immunogenetics | 1992 |
Human astrocytes express membrane cofactor protein (CD46), a regulator of complement activation
DL Gordon, TA Sadlon, SL Wesselingh, SM Russell, RW Johnstone, DF Purcell |
Journal of Neuroimmunology | 1992 |
Tissue-specific and allelic expression of the complement regulator CD46 is controlled by alternative splicing
SM Russell, RL Sparrow, IF McKenzie, DF Purcell |
European Journal of Immunology | 1992 |
In vitro biosynthesis of complement factor I by human endothelial cells
N Julen, HÉ Dauchel, C Lemercier, RB Sim, M Fontaine, J Ripoche |
European Journal of Immunology | 1992 |
3 Complement and pregnancy: new insights into the immunobiology of the fetomaternal relationship
CH Holmes, KL Simpson |
Baillière's Clinical Obstetrics and Gynaecology | 1992 |
Evaluation of endometrial tissue specific complement activation in women with endometriosis**Supported in part by a research grant (PHF-629) from the Presbyterian Health Foundation (to O.J.D.), Oklahoma City, Oklahoma.††Presented in part at the 46th Annual Meeting of The American Fertility Society, Washington, D.C., October 15 to 18, 1990
OJ DCruz, RA Wild |
Fertility and Sterility | 1992 |
Membrane Defenses Against Attack by Complement and Perforins
CJ Parker |
1992 | |
Soluble forms of membrane cofactor protein (CD46, MCP) are present in plasma, tears, and seminal fluid in normal subjects.
Hara T, Kuriyama S, Kiyohara H, Nagase Y, Matsumoto M, Seya T |
Clinical & Experimental Immunology | 1992 |
Alternative complement pathway-mediated myeloid cell cytotoxicity: Repertoire of membrane factors participating in regulation of C3 deposition and cytolysis
M Matsumoto, Y Sugita, T Seya |
European Journal of Immunology | 1991 |
Characterization of three monoclonal antibodies to membrane co-factor protein (MCP) of the complement system and quantification of MCP by radioassay
SW Cho, TJ Oglesby, BL Hsi, EM Adams, JP Atkinson |
Clinical & Experimental Immunology | 1991 |
Membrane cofactor protein of the complement system: alternative splicing of serine/threonine/proline-rich exons and cytoplasmic tails produces multiple isoforms that correlate with protein phenotype
TW Post, MK Liszewski, EM Adams, I Tedja, EA Miller, JP Atkinson |
Journal of Experimental Medicine | 1991 |
Phospholipid-anchored and transmembrane versions of either decay-accelerating factor or membrane cofactor protein show equal efficiency in protection from complement-mediated cell damage
DM Lublin, KE Coyne |
Journal of Experimental Medicine | 1991 |
Identification of four different CD46 (MCP) molecules with anti-peptide antibodies
DF Purcell, RW Johnstone, IF McKenzie |
Biochemical and Biophysical Research Communications | 1991 |
Expression and Characterization of Membrane Co-Factor Protein (MCP) in Human Skin
K Sayama, S Shiraishi, Y Shirakata, Y Kobayashi, T Seya, Y Miki |
Journal of Investigative Dermatology | 1991 |
Preferential inactivation of the C5 convertase of the alternative complement pathway by factor I and membrane cofactor protein (MCP)
S Tsukasa, O Michiyo, M Misako, H Kyongsu, K Taroh, JP Atkinson |
Molecular Immunology | 1991 |
Alternatively spliced RNAs encode several isoforms of CD46 (MCP), a regulator of complement activation
DF Purcell, SM Russell, N J., MA Brown, DJ Hooker, IF McKenzie |
Immunogenetics | 1991 |
Complement-mediated tumor cell damage induced by antibodies against membrane cofactor protein (MCP, CD46)
T Seya, T Hara, M Matsumoto, Y Sugita, H Akedo |
Journal of Experimental Medicine | 1990 |
The human cell-surface glycoproteins HuLy-m5, membrane co-factor protein (MCP) of the complement system, and trophoblast leucocyte-common (TLX) antigen, are CD46
DF Purcell, IF McKenzie, DM Lublin, PM Johnson, JP Atkinson, TJ Oglesby, NJ Deacon |
Immunology | 1990 |
Complement alternative pathway activation and control on membranes of human lymphoid B cell lines
V Caudwell, FO Porteu, A Calender, MK Pangburn, L Halbwachs-Mecarelli |
European Journal of Immunology | 1990 |
The Third Component of Complement
JD Lambris |
1990 |