IHC of C1q on a FFPE Lupus Erythmatosus Tissue

IF of C1q on a FFPE Lupus Erythmatosus Tissue

Specification Sheets
Safety Data Sheet


Intended Use

For In Vitro Diagnostic Use.

This antibody is intended for use in Immunohistochemical (IHC) and Immunofluorescence (IF) applications on formalin-fixed paraffin-embedded tissues (FFPE), frozen tissue sections and cell preparations. Interpretation of results should be performed by a qualified medical professional.

Summary and Explanation

The complement component 1q (C1q) is a protein complex involved in the complement system, which is part of the innate immune system. C1q together with C1r and C1s form the C1 complex. Antibodies of the adaptive immune system can bind antigen, forming an antigen-antibody complex. When C1q binds antigen-antibody complexes, the C1 complex becomes activated. Activation of the C1 complex initiates the classical complement pathway of the complement system.

C1q nephropathy is a rare glomerular disease with characteristic mesangial C1q deposition noted on IHC or IF microscopy. It is histologically defined and poorly understood. Light microscopic features are heterogeneous and comprise minimal change disease (MCD), focal segmental glomerulosclerosis (FSGS), and proliferative glomerulonephritis. Clinical presentation is also diverse, and ranges from asymptomatic hematuria or proteinuria to frank nephritic or nephrotic syndrome in both children and adults. Hypertension and renal insufficiency at the time of diagnosis are common findings. Lupus nephritis is an inflammation of the kidneys caused by Systemic Lupus Erythematosus. Immunofluorescence reveals positively for IgG, IgA, IgM, C3, and C1q.

Antibody Type Rabbit Polyclonal Clone Polyclonal
Isotype IgG Reactivity Paraffin, Frozen
Localization Cytoplasmic, Membranous Control Kidney, Cervix, Spleen, Lupus Erythematosus
Presentation C1q is a purified immunoglobulin fraction of rabbit antiserum that is filter sterilized and diluted in buffer pH 7.5, containing BSA and sodium azide as a preservative.
Catalog No. Antibody Type Dilution Volume/QTY
BSB 3019 Prediluted Ready-To-Use* 3.0 ml
BSB 3020 Prediluted Ready-To-Use* 7.0 ml
BSB 3021 Prediluted Ready-To-Use* 15.0 ml
BSB 3022 Concentrated 1:50 / 1:100 0.1 ml
BSB 3023 Concentrated 1:50 / 1:100 0.5 ml
BSB 3024 Concentrated 1:50 / 1:100 1.0 ml
BSB 3025 Control Slides 5
Note: For concentrated antibodies, please centrifuge prior to use to ensure recovery of all product.

*Ready-to-Use, for IHC only!