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You are here:Home » Antibodies » Abs to Receptors » Anti -C1q (11S Protein) (FITC)

Anti -C1q (11S Protein) (FITC)

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Specifications

Clone Host Grade Applications
Monoclonal Mouse Affinity Purified B IH IF
C1q forms together with C1r and C1s the C1 macromolecule, the first component of the classical complement pathway. Interaction of immune complexes with C1q induces a conformational change within the C1 complex, which results in activation of the classical pathway. C1q functions as recognition unit by binding to the heavy chain of IgG or IgM (Fc gamma and Fc micro) provided that the immunoglobulins are bound to their antigen. Furthermore, C1q can bind to apoptotic blebs, where it activates the classical complement pathway and mediates phagocytosis. As such, C1q promotes the clearance of apoptotic cells and subsequent exposure of auto antigens, thereby preventing stimulation of the immune system. C1q is predominantly produced by macrophages but also by follicular dendritic cells, interdigitating cells and cells of the monocyte-macrophage lineage. C1q deficiency has a profound effect on host defence and clearance of immune complexes. Absence of C1q may cause autoimmunity by impairment of the clearance of apoptotic cells. Inherited C1q deficiency is also associated with the development of systemic lupus erythematosus (SLE). Anti-C1q autoantibodies deposit in glomeruli together with C1q but induce overt renal disease only in the context of glomerular immune complex disease. This provides an explanation why anti-C1q antibodies are especially pathogenic in patients with SLE.
Applications:
Suitable for use in Immunohistochemistry, FLISA, Western Blot, Immunofluorescence and Functional Studies. Other applications not tested.
Recommended Dilutions:
Immunohistochemistry (Frozen): 1:50. Used to stain tissues fixed in acetone.
Western Blot: 1:50
Functional Sudies: Administered to mice resulting in depletion of circulating C1q, glomerular deposition of C1q and induction of anti-C1q autoantibodies in susceptible mice.
Optimal dilutions to be determined by the researcher.
Positive Control: Spleen and kidney tissue of wild-type mice
Negative Control: Spleen and kidney tissue of C1q-/-mice
Storage and Stability:
May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. FITC conjugates are sensitive to light.
Catalog #C0010-10A
Clone TypeMonoclonal
IsotypeIgG2b
Clone No9G134
HostMouse
SourceMouse
Concentration~0.1mg/ml
FormSupplied as a liquid in PBS, 1% BSA, 0.02% sodium azide. Labeled with fluorescein isothiocyanate (FITC).
PurityPurified by Protein G affinity chromatography.
ImmunogenPurified mouse C1q
SpecificityRecognizes the collagen-like region (CLR) of mouse C1q, a 459kD molecule consisting of three individual polypeptide chains. Species Crossreactivity: human and rat.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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