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Home > Product > Antibody > Rabbit Anti-C1QC antibody
C1Q C; C1qc; C1QC_HUMAN; C1QG; Complement C1q subcomponent subunit C; Complement component 1, q subcomponent, C chain; complement component 1, q subcomponent, gamma polypeptide; AI385742.
Cat:
SL11337R
Species Reactivity：
Human,Mouse,(predicted: Rat,Dog,Horse,Rabbit,)
Immunogen：
KLH conjugated synthetic peptide derived from human C1QC:81-180/245
Format：
Liquid
Storage instructions：
Shipped at 4℃. Store at -20 °C for one year. Avoid repeated freeze/thaw cycles.
Concentration：
1mg/ml
Clonality：
Polyclonal
Isotype：
IgG
Applications：
ELISA=1:5000-10000IHC-P=1:100-500IHC-F=1:100-500ICC=1:100-500IF=1:100-500（Paraffin sections need to do antigen repair）not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.
Host：
Rabbit
Product Overview：
Paraformaldehyde-fixed, paraffin embedded (mouse liver tissue); Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37°C for 30min; Antibody incubation with (C1QC) Polyclonal Antibody, Unconjugated (SL11337R) at 1:400 overnight at 4°C, followed by operating according to SP Kit(Rabbit) (sp-0023) instructionsand DAB staining.Paraformaldehyde-fixed, paraffin embedded (human brain glioma); Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37°C for 30min; Antibody incubation with (C1QC) Polyclonal Antibody, Unconjugated (SL11337R) at 1:400 overnight at 4°C, followed by operating according to SP Kit(Rabbit) (sp-0023) instructionsand DAB staining.
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Product PDFs
Datasheet:


C1q, a subcomponent of the classical complement pathway, is composed of nine subunits that mediate classical complement activation and thereby play an important role in the immune response. Six of these subunits are disulfide-linked dimers of chains A and B, while three of these subunits, designated C1q-A through C1q-C, are disulfide-linked dimers of chain C. The presence of receptors for C1q on effector cells modulates its activity, which may be antibody-dependent or independent. Macrophages are the primary source of C1q, while anti-inflammatory drugs as well as cytokines differentially regulate expression of the mRNA, as well as the protein. However, its ability to modulate the interaction of platelets with collagen and immune complexes suggests C1q influences homeostasis as well as other immune activities, and perhaps thrombotic complications resulting from immune injury. Defects in C1q-A, C1q-B and C1q-C cause inactivation of the classical pathway, leading to a rare genetic disorder characterized by lupus-like symptoms.

Function:
C1q associates with the proenzymes C1r and C1s to yield C1, the first component of the serum complement system. The collagen-like regions of C1q interact with the Ca(2+)-dependent C1r(2)C1s(2) proenzyme complex, and efficient activation of C1 takes place on interaction of the globular heads of C1q with the Fc regions of IgG or IgM antibody present in immune complexes.

Subunit:
C1 is a calcium-dependent trimolecular complex of C1q, R and S in the molar ration of 1:2:2. C1q subcomponent is composed of nine subunits, six of which are disulfide-linked dimers of the A and B chains, and three of which are disulfide-linked dimers of the C chain.

Subcellular Location:
Secreted.

Post-translational modifications:
O-linked glycans consist of Glc-Gal disaccharides bound to the oxygen atom of post-translationally added hydroxyl groups.

DISEASE:
Defects in C1QC are a cause of complement component C1q deficiency (C1QD) [MIM:613652]. A rare defect resulting in C1 deficiency and impaired activation of the complement classical pathway. C1 deficiency generally leads to severe immune complex disease with features of systemic lupus erythematosus and glomerulonephritis.

Similarity:
Contains 1 C1q domain.
Contains 1 collagen-like domain.

SWISS:
P02747

Gene ID:
714

Database links:

Entrez Gene: 714 Human

Entrez Gene: 12262 Mouse

Entrez Gene: 362634 Rat

Omim: 120575 Human

SwissProt: P02747 Human

SwissProt: Q02105 Mouse

SwissProt: P31722 Rat

Unigene: 467753 Human

Unigene: 439732 Mouse

Unigene: 2393 Rat



Picture

Paraformaldehyde-fixed, paraffin embedded (mouse liver tissue); Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37°C for 30min; Antibody incubation with (C1QC) Polyclonal Antibody, Unconjugated (SL11337R) at 1:400 overnight at 4°C, followed by operating according to SP Kit(Rabbit) (sp-0023) instructionsand DAB staining.
Paraformaldehyde-fixed, paraffin embedded (human brain glioma); Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37°C for 30min; Antibody incubation with (C1QC) Polyclonal Antibody, Unconjugated (SL11337R) at 1:400 overnight at 4°C, followed by operating according to SP Kit(Rabbit) (sp-0023) instructionsand DAB staining.
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