I1261

Sigma-Aldrich

Anti-Human IgA (α-chain specific) antibody produced in goat

whole antiserum

Número MDL:

Nivel de calidad

200

origen biológico

goat

forma del anticuerpo

whole antiserum

antibody product type

secondary antibodies

clon

polyclonal

contiene

15 mM sodium azide

aplicaciones

indirect ELISA: 1:50,000
quantitative precipitin assay: 3.0-5.0

conjugado

unconjugated

enviado en

dry ice

temp. de almacenamiento

−20°C

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Descripción general

Immunoglobulin A (IgA) is found as two subclasses, that is, IgA1 and IgA2. IgA exists as a monomer or dimer in the secreted form. Dimeric IgA has a molecular weight of 390 kDa.

Especificidad

The antibody preparation is specific for human IgA when tested against purified human IgA, IgG, IgM, Bence Jones Kappa, and Bence Jones Lambda myeloma proteins

Aplicación

Anti-Human IgA (α-chain specific) antibody produced in goat has been used to determine the concentration of total IgA in serum samples by single radial immunodiffusion and enzyme-linked immunosorbent assay (ELISA).

Acciones bioquímicas o fisiológicas

IgA antibody is secretory antibody and is present abundantly in mucous linings of gastrointestinal, respiratory and genitourinary tracts, tears and saliva. Thus secretory IgA contributes to the humoral defense mechanism against the pathogens on mucosal surfaces.
In addition to passive immunity, IgA also induces active immunity by regulating the production of various chemokines and vital cytokines such as tumor necrosis factor (TNF) and interleukin (IL)-1β.

Forma física

Goat Anti-Human IgA is supplied as a liquid containing 0.1% sodium azide as preservative.

Almacenamiento y estabilidad

For continuous use, store at 2-8 °C for a maximum of one month. For extended storage, the solution may be frozen in working aliquots. Repeated freezing and thawing is not recommended. Storage in "frost-free" freezers is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use.

Cláusula de descargo de responsabilidad

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

RIDADR

NONH for all modes of transport

WGK Alemania

WGK 2

Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

Ivo S Hansen et al.
Cellular and molecular life sciences : CMLS, 76(6), 1041-1055 (2018-12-01)
The prevailing concept regarding the immunological function of immunoglobulin A (IgA) is that it binds to and neutralizes pathogens to prevent infection at mucosal sites of the body. However, recently, it has become clear that in humans IgA is also...
Kinetic Analysis of Interaction of Different Types of Rheumatoid Factors with Immobilized IgG Using Surface PlasmonResonance
Matsumoto A, et al.
The Journal of Biological Chemistry, 128(6), 1009-1016 (2000)
L C Torres et al.
Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas, 43(12), 1215-1224 (2010-11-19)
Rubinstein-Taybi syndrome (RTS) is a rare developmental disorder characterized by craniofacial dysmorphisms, broad thumbs and toes, mental and growth deficiency, and recurrent respiratory infections. RTS has been associated with CREBBP gene mutations, but EP300 gene mutations have recently been reported...
Ketil Moen et al.
Clinical and diagnostic laboratory immunology, 10(6), 1043-1050 (2003-11-11)
The objective of the present study was to investigate immunoglobulin G (IgG) and IgA antibody immune responses to Porphyromonas gingivalis, Prevotella intermedia, Bacteroides forsythus, and Candida albicans in the sera of patients with rheumatoid arthritis (RA), the synovial fluid (SF)...
Jan Holmgren et al.
Nature medicine, 11(4 Suppl), S45-S53 (2005-04-07)
There is currently great interest in developing mucosal vaccines against a variety of microbial pathogens. Mucosally induced tolerance also seems to be a promising form of immunomodulation for treating certain autoimmune diseases and allergies. Here we review the properties of...
Artículos
Antibody-based serology tests are useful in identifying subjects with an adaptive immune response to the SARS-CoV-2 virus. Anti-human immunoglobulin antibodies allow for quick and simple, yet reliable assays with easy readouts and can also be adapted for high-throughput screening.
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