classical pathway
Nephritic Factor of the Classical Pathway of Complement: IMMUNOGLOBULIN G AUTOANTIBODY DIRECTED AGAINST THE CLASSICAL PATHWAY C3 CONVERTASE ENZYME
... the classical pathway C3 convertase enzyme via a fragment bearing the antigen-binding site of the molecule [F(ab) 2 and ...for classical pathway and not for alternative pathway C3 ...
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Antibody independent Classical Pathway mediated Opsonophagocytosis of Type Ia, Group B Streptococcus
... alternative pathway-mediated ...the classical pathway in a nonantibody-dependent fashion was shown when MgEGTA chelation of agammaglobulinemic serum or use of serum deficient in C2 resulted in ...
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Requirements for the solubilization of immune aggregates by complement The role of the classical pathway
... alternative pathway components properdin and factor ...the classical pathway components (C1, C4, C2, and ...the classical pathway alone. Activation of the classical ...
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Clinical hypothermia temperatures increase complement activation and cell destruction via the classical pathway
... C1 is a complex molecule consisting of a pattern (e.g., IgG/M) recognition component C1q, which associates with the serine protease tetramer C1r-C1s-C1s-C1r. When the C1q portion of the molecule binds to IgG/M, it causes ...
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Inhibition of the classical pathway of the complement cascade prevents early dendritic and synaptic degeneration in glaucoma
... The classical pathway of the complement cascade is heavily implicated in glau- coma, and in DBA/2 J mice deficient in C1qa there is a significant decrease in retinal ganglion cell loss and optic nerve ...
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Mechanisms of activation of the classical pathway of complement by Hageman factor fragment
... Rheumatology, and Clinical Immunology, Department of Medicine, State University of New York at Stony Brook, Stony Brook, New York 11794 A B S T R A C T The mechanism by which a fragment [r] ...
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Complement regulator C4BP binds to Staphylococcus aureus surface proteins SdrE and Bbp inhibiting bacterial opsonization and killing
... on classical pathway mediated opsonization, we measured C3- fragment binding to ...the classical and lectin pathways in the absence of the alterna- tive ...
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Immunoglobulin G independent activation of the classical complement pathway by monosodium urate crystals
... 10 mg of monosodium urate crystals reduced the CH50 of 1 ml of human serum by 57% after 30 min at 37 degrees C. C1, C4, and C3 depletion of 52, 68, and 46% were typical of classical pathway activation. C1 ...
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The Bovine Immunodeficiency Virus Rev Protein: Identification of a Novel Nuclear Import Pathway and Nuclear Export Signal among Retroviral Rev/Rev-Like Proteins
... The Rev protein is essential for the replication of lentiviruses. Rev is a shuttling protein that transports unspliced and partially spliced lentiviral RNAs from the nucleus to the cytoplasm via the nucleopore. To ...
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Activation of factor XII dependent pathways in human plasma by hematin and protoporphyrin
... protoporphyrin with purified Factor XII resulted in activation as measured by amidolysis of a chromogenic substrate. Neither coproporphyrin, uroporphyrin, delta-aminolevulinic acid, porphobilinogen, or bilirubin ...
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Kaposi's sarcoma associated herpes virus encoded viral FLICE inhibitory protein activates transcription from HIV 1 Long Terminal Repeat via the classical NF κB pathway and functionally cooperates with Tat
... the classical and alternate NF-κB pathways and, as such, we were interested in determining the relative con- tribution of these pathways to K13-induced HIV-1 LTR ...the classical NF-κB ...NF-κB ...
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A structural study of human complement subcomponent C1s : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Biochemistry at Massey University
... A single proteolytic cleavage by either the classical pathway C3 convertase C4b,2a or the alternative pathway convertase C3b,Bb liberates a C3a activation peptide molecular wei ght 9,000[r] ...
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Inhibition of Complement as a Therapeutic Approach in Inflammatory Central Nervous System (CNS) Disease
... inhibiting the activation of the classical pathway, thus its therapeutic value in CNS disease appli- cations, where the classical pathway is often ac- tivated, is questionable.. An addit[r] ...
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Bypassing complement: evolutionary lessons and future implications
... Lectin pathway. This pathway, also called the MBL pathway, is activated by the binding of MBL and other lectins to sugar moieties on the surface of pathogens, which results in cleav- age of C4 and C2 ...
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Subretinal macrophages produce classical complement activator C1q leading to the progression of focal retinal degeneration
... the classical complement pathway may be independent of hydrolysis of C3 [38, 50, 51], which is predominantly amplified by the alternative complement pathway [11] in photo-oxidative damage models of ...
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The role of the complement and the FcγR system in the pathogenesis of arthritis
... viruses. Using different mechanisms (through both cell-bound and soluble proteins) it is able to discriminate self from non- self and its major role is in the induction and progression of inflammation against microbial ...
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Complement derived chemotactic activity is generated in human serum containing uroporphyrin after irradiation with 405 nm light
... Patients with porphyrias have varying degrees of photosensitivity, associated with elevated levels of porphyrins in plasma, erythrocyte, urine and/or feces. To investigate the role of complement in the pathogenesis of ...
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<p>Cold agglutinin disease: current challenges and future prospects</p>
... complement-dependent, classical pathway- mediated immune hemolytic disease, accounting for 15 – 25% of autoimmune hemolytic anemia, and at the same time, a distinct clonal B-cell lymphoproliferative ...
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Mannan binding lectin activates C3 and the alternative complement pathway without involvement of C2
... Lectin pathway activation of C3 is known to involve target recognition by mannan-binding lectin (MBL) or ficolins and generation of classical pathway C3 convertase via cleavage of C4 and C2 by ...
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Human C4 binding protein Association with immune complexes in vitro and in vivo
... TABLE II Requirements for C4-bp Incorporation into Immune Complexes: Activation of Complement by the Classical Pathway and Presence of C4 Serum treatment of 125I-anti-BSA:BSA complexes* [r] ...
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