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HO-1 Antibody

Rabbit Anti-Rat HO-1 Polyclonal

Product Specifications

Background

Heme oxygenase-1 (HO-1), also known as heat shock protein 32, is an inducible enzyme that catalyzes the degradation of heme into biliverdin, free iron, and carbon monoxide—each with distinct biological functions. Biliverdin is rapidly converted to bilirubin, a potent antioxidant, while carbon monoxide acts as a signaling molecule with anti-inflammatory and vasodilatory properties. Free iron, although potentially toxic, is sequestered by ferritin to limit oxidative damage. HO-1 is strongly upregulated in response to oxidative stress, inflammation, and neurotoxic insults, positioning it as a key cytoprotective factor in the central nervous system. Its expression is elevated in various neurodegenerative conditions, including Alzheimer’s disease, Parkinson’s disease, and multiple sclerosis, where it helps mitigate neuronal injury by reducing reactive oxygen species and modulating immune responses. Unlike its constitutive isoform HO-2, HO-1 is dynamically regulated and serves as a frontline defense against cellular stress. Deficiency in HO-1 has been linked to increased neuroinflammation, impaired stress tolerance, and heightened vulnerability to neurodegenerative pathology. Given its dual role in detoxifying free heme and generating neuroprotective metabolites, HO-1 is a promising therapeutic target for modulating oxidative stress and inflammation in neurodegenerative disease research.

CAS Number

9007-83-4

Specifications

Detects ~33kDa.

Product Name Alternative

HSP32, HMOX1, Heme oxygenase 1, HO, HO1, 32 kD, bK286B10, D8Wsu38e, heat shock protein 32 kD, heat shock protein 32kD, Heat shock protein, Heme oxygenase (decycling) 1, Hemox, HMOX 1, Hmox, Hmox1, HMOX1_HUMAN, HO 1, HO-1, Heme Oxygenase-1, Haem Oxygenase-1, Heat Shock Protein 32, Heme Oxygenase (Decyclizing), EC 1.14.14.18

UNSPSC

12352203

UN Code

Non-hazardous

Hazard Statement

Non-hazardous

Gene ID

24451

Swiss Prot

P06762

Accession Number

NP_036712.1

Cellular Locus

Endoplasmic Reticulum | Microsome

Host

Rabbit

Species Reactivity

Human,Mouse,Rat

Immunogen

Rat native full-length HO-1 purified from liver tissue

Target

HO-1

Clonality

Polyclonal

Conjugation

Unconjugated

Type

Polyclonal

Applications

WB | IHC | IP

Validated Applications

WB,IHC,IP

Field of Research

Cancer | Oxidative Stress | Neuroscience | Neurodegeneration | Alzheimer's Disease | Cardiovascular System | Blood | Platelets | Cell Signaling | Epigenetics and Nuclear Signaling | Nuclear Signaling Pathways | NFkB Pathway | Cardiovascular System | Atherosclerosis | Vascular Inflammation | Inflammatory Mediators | Cardiovascular System | Vasculature | Endothelium | Cancer | Cancer Metabolism | Response to Hypoxia | Cell Signaling | Metabolism | Metabolism processes | Hypoxia

Purification

Protein A Purified

Detection Range

5 µg/ml of SPC-211 was sufficient for detection of HO-1 in 10 µg of rat brain lysate by colorimetric immunoblot analysis using Goat anti-rabbit IgG:HRP as the secondary antibody.

Concentration

1 mg/ml

Dilution

WB (1:400), IHC (1:1000), IP (1:100) ; optimal dilutions for assays should be determined by the user.

Weight

0.012

Buffer

PBS pH7.4, 50% glycerol, 0.09% sodium azide *Storage buffer changes when conjugated

Precautions

Not for use in humans. Not for use in diagnostics or therapeutics. For in vitro research use only.

References & Citations

1. Froh M. et al. (2007) World J. Gastroentereol 13 (25) : 3478-86. 2. Elbirt K.K. and Bonkovsky H.L. (1999) Proc Assoc Am Physicians 111 (5) : 348-47. 3. Maines M.D., Trakshel G.M., and Kutty R.K. (1986) J Biol Chem 261: 411–419. 4. Brydun A., et al. (2007) Hypertens Res 30 (4) : 341-8. 5. Poss K.D. and Tonegawa S. (1997) . Proc Natl Acad Sci U S A. 94: 10925–10930. 6. Yet S.F., et al. (2003) FASEB J. 17: 1759–1761. 7. Yachie A., et al. (1999) J Clin Invest. 103: 129–135.

Shipping Conditions

Blue Ice or 4ºC

Storage Conditions

-20ºC

Specificity

Detects ~33kDa.

Species

Human | Mouse | Rat

Location

Endoplasmic Reticulum | Microsome

Immunogen Species

Rat

Curated Selection

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