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Merck

H6395

Sigma-Aldrich

Monoclonal Anti-Haptoglobin antibody produced in mouse

clone HG-36, ascites fluid

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About This Item

MDL number:
UNSPSC Code:
12352203
NACRES:
NA.41

biological source

mouse

Quality Level

conjugate

unconjugated

antibody form

ascites fluid

antibody product type

primary antibodies

clone

HG-36, monoclonal

contains

15 mM sodium azide

species reactivity

human

technique(s)

indirect ELISA: 1:4,000

isotype

IgG1

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... HP(3240)

General description

Monoclonal anti-Human Haptoglobin (mouse IgG1 isotype) is derived from the hybridoma produced by the fusion of mouse myeloma cells and splenocytes from an immunized mouse. Haptoglobin (Hp) is a serum α 2-glycoprotein that exists as a tetramer, composed of two smaller identical α chains and two larger identical β chains. The α-chains are linked to each other by a disulfide bond and each β-chain is similarly linked to an α-chain. Plasma haptoglobin is structurally similar to serum immunoglobulins. Haptoglobin is found in normal plasma at a concentration of 0.3-1.9 mg/ml and accounts for 0.4-2.6% of the total plasma proteins. It is also one of the groups of plasma proteins known as acute phase reactants.

Specificity

The antibody is specific for the 3 major haplotypes of human haptoglobin (Types 1-1, 2-1 and 2-2). It does not cross-react with human IgG, transferrin, C-reactive protein, α1-acid glycoprotein, albumin or hemoglobin using ELISA or immunoblotting methods. The antibody recognizes human haptoglobin as purified antigen, in human serum, or when complexed with human hemoglobin in a native or denatured, but non-reduced state.

Application

Applications in which this antibody has been used successfully, and the associated peer-reviewed papers, are given below.
Western Blotting (1 paper)
Monoclonal Anti-Haptoglobin antibody produced in mouse has been used in enzyme-linked immunosorbent assay (ELISA) to determine plasma haptoglobin (Hp) levels and to probe duplicate dot blot strips for dot blot assay. It has been used in affinity purification of human high-density lipoprotein (HDL) to obtain trypanosome lytic factor (TLF) and also to prepare an affinity resin.

Biochem/physiol Actions

The most characteristic property of haptoglobin is its ability to form stable complexes with extra-corpuscular-free native hemoglobin that has been released during hemolysis and is thus thought to prevent iron loss through urinary excretion and to also prevent renal damage from the hemoglobin. In addition, the native form or normal plasma haptoglobin has been shown to exhibit a broad spectrum of immunosuppressive effects in the immune system. Measurement of haptoglobin levels may therefore be used to monitor the progress of inflammatory reactions and assess the efficiency of test drugs.

Disclaimer

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.

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Storage Class

10 - Combustible liquids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificados de análisis (COA)

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Robert S Bresalier et al.
Gastroenterology, 127(3), 741-748 (2004-09-14)
Galectin-3 is a beta-galactoside-binding protein implicated in tumor progression and metastasis of colorectal cancers. To determine whether circulating galectin-3 ligands are related to the presence of colon cancer, we sought to identify and quantify ligands in serum that bind to
Association of haptoglobin levels with age, parasite density, and haptoglobin genotype in a malaria-endemic area of Gabon
Fowkes FJI, et al.
The American Journal of Tropical Medicine and Hygiene, 74(1), 26-30 (2006)
Trypanosome lytic factor, an antimicrobial high-density lipoprotein, ameliorates Leishmania infection
Samanovic M, et al.
PLoS Pathogens, 5(1), e1000276-e1000276 (2009)
Identification and purification of a hemoglobin-binding outer membrane protein from Neisseria gonorrhoeae.
Chen CJ, et al.
Infection and Immunity, 64(12), 5008-5014 (1996)
A Zauberman et al.
The Journal of biological chemistry, 276(27), 24719-24725 (2001-05-02)
Activin A, a member of the transforming growth factor beta (TGFbeta) superfamily, blocks interleukin (IL)-6 biological functions. The molecular basis of the influence of this TGFbeta signaling on the IL-6 receptor triggered cascade is unknown. We studied IL-6-induced secretion of

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