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Key Documents

MABS2157

Sigma-Aldrich

Anti-CH25H Antibody, clone 18G9

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.41

biological source

mouse

Quality Level

conjugate

unconjugated

antibody form

purified antibody

antibody product type

primary antibodies

clone

18G9, monoclonal

mol wt

calculated mol wt 31.75 kDa
observed mol wt ~34 kDa

purified by

using protein G

species reactivity

human, mouse

packaging

antibody small pack of 100 μg

technique(s)

ELISA: suitable
western blot: suitable

isotype

IgG1κ

epitope sequence

Unknown

Protein ID accession no.

UniProt accession no.

shipped in

ambient

target post-translational modification

unmodified

Gene Information

human ... CH25H(9023)

General description

Cholesterol 25-hydroxylase (UniProt: O95992; also known as EC:1.14.99.38, Cholesterol 25-monooxygenase, h25OH) is encoded by the CH25H gene (Gene ID: 9023) in human. CH25H is a multi-pass membrane glycoprotein with three transmembrane domains (aa 38-58; 84-104; and 121-141) that catalyzes the formation of 25-hydroxycholesterol from cholesterol, which in turn leads to repression of cholesterol biosynthesis. It is also reported to play a role in regulating lipid metabolism by synthesizing a corepressor that blocks sterol regulatory element binding protein (SREBP) processing. CH25H is an interferon inducible enzyme that has broad-spectrum antiviral functions. Stimulation of macrophage Toll-like receptors (TLR) is also reported to increase its expression and synthesis of 25-hydroxycholesterol. Treatment of naïve B cells with nanomolar concentrations of 25-hydroxycholesterol is shown to suppress IL-2-mediated stimulation of B cell proliferation, repress activation induced cytidine deaminase expression, and reduce IgA production. Deletion of CH25H gene in mouse is shown to increase in serum IgA. In testis tissue, production of 25-hydroxycholesterol by macrophages may play a role in Leydig cell differentiation. (Ref.: Bauman, DR., et al. (2009). Proc. Natl. Acad. Sci. USA. 106(39); 16764-16769).

Specificity

Clone 18G9 is a mouse monoclonal antibody that detects Cholesterol 25-hydroxylae (CH25H).

Immunogen

His-tagged full length recombinant human Cholesterol 25-hydroxylase.

Application

Quality Control Testing

Evaluated by Western Blotting in lysate from HEK293T cells overexpressing cholesterol 25-hydroxylase (CH25H).

Western Blotting Analysis: A 1:1,000 dilution of this antibody detected cholesterol 25-hydroxylase (CH25H) in lysate from HEK293T cells overexpressing cholesterol 25-hydroxylase (CH25H).

Tested Applicaitons

Western Blotting Analysis: A representative lot detected CH25H in Western Blotting applications (Bauman, D.R., et al. (2009). Proc Natl Acad Sci USA. 106(39):16764-9; Tuong, Z.K., et. al. (2016). PLoS One. 11(1):e0147179).

ELISA Analysis: A representative lot detected CH25H in ELISA applications (Bauman, D.R., et al. (2009). Proc Natl Acad Sci USA. 106(39):16764-9).

Note: Actual optimal working dilutions must be determined by end user as specimens, and experimental conditions may vary with the end user
Anti-CH25H, clone 18G9, Cat. No. MABS2157, is a mouse monoclonal antibody that detects Cholesterol 25-hydroxylase (CH25H) and is tested for use in ELISA and Western Blotting.

Physical form

Purified mouse monoclonal antibody IgG1 in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide

Storage and Stability

Recommend storage at +2°C to +8°C. For long term storage antibodies can be kept at -20°C. Avoid repeated freeze-thaws.

Other Notes

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

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

12 - Non Combustible Liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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