ARNT/HIF-1 beta Antibody (3R0Y4)

Novus Biologicals, part of Bio-Techne | Catalog # NBP3-15757

Recombinant Monoclonal Antibody
Novus Biologicals, part of Bio-Techne
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Key Product Details

Species Reactivity

Validated:

Human

Applications

Immunohistochemistry, Immunohistochemistry-Paraffin, Western Blot

Label

Unconjugated

Antibody Source

Recombinant Monoclonal Rabbit IgG Clone # 3R0Y4

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

View all ARNT/HIF-1 beta Antibodies »

Product Summary for ARNT/HIF-1 beta Antibody (3R0Y4)

Immunogen

Recombinant fusion protein containing a sequence corresponding to amino acids 499-789 of human HIF-1 beta (P27540). LAPRQQQQQTELDMVPGRDGLASYNHSQVVQPVTTTGPEHSKPLEKSDGLFAQDRDPRFSEIYHNINADQSKGISSSTVPATQQLFSQGNTFPPTPRPAENFRNSGLAPPVTIVQPSASAGQMLAQISRHSNPTQGATPTWTPTTRSGFSAQQVATQATAKTRTSQFGVGSFQTPSSFSSMSLPGAPTASPGAAAYPSLTNRGSNFAPETGQTAGQFQTRTAEGVGVWPQWQGQQPHHRSSSSEQHVQQPPAQQPGQPEVFQEMLSMLGDQSNSYNNEEFPDLTMFPPFSE

Clonality

Monoclonal

Host

Rabbit

Isotype

IgG

Scientific Data Images for ARNT/HIF-1 beta Antibody (3R0Y4)

Western Blot: ARNT/HIF-1 beta Antibody (3R0Y4) [NBP3-15757]

Western Blot: ARNT/HIF-1 beta Antibody (3R0Y4) [NBP3-15757]

Western Blot: ARNT/HIF-1 beta Antibody (3R0Y4) [NBP3-15757] - Western blot analysis of extracts of HeLa cells, using ARNT/HIF-1 beta antibody (NBP3-15757) at 1:1000 dilution. Secondary antibody: HRP Goat Anti-Rabbit IgG (H+L) at 1:10000 dilution. Lysates/proteins: 25ug per lane. Blocking buffer: 3% nonfat dry milk in TBST. Detection: ECL Basic Kit. Exposure time: 90s.
Immunohistochemistry-Paraffin: ARNT/HIF-1 beta Antibody (3R0Y4) [NBP3-15757]

Immunohistochemistry-Paraffin: ARNT/HIF-1 beta Antibody (3R0Y4) [NBP3-15757]

Immunohistochemistry-Paraffin: ARNT/HIF-1 beta Antibody (3R0Y4) [NBP3-15757] - Immunohistochemistry of paraffin-embedded human colon using ARNT/HIF-1 beta antibody (NBP3-15757) at dilution of 1:100 (40x lens).Perform microwave antigen retrieval with 10 mM PBS buffer pH 7.2 before commencing with IHC staining protocol.

Applications for ARNT/HIF-1 beta Antibody (3R0Y4)

Application
Recommended Usage

Immunohistochemistry

1:50 - 1:200

Western Blot

1:500 - 1:2000
Please Note: Optimal dilutions of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Affinity purified

Formulation

PBS, 0.05% BSA, 50% glycerol, pH7.3

Preservative

0.02% Sodium Azide

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at -20C. Avoid freeze-thaw cycles.

Background: ARNT/HIF-1 beta

Aryl hydrocarbon nuclear translocator (ARNT), also commonly known as Hypoxia-inducible factor 1-beta (HIF-1 beta), is a ubiquitously expressed transcription factor that is part of the basic-helix-loop-helix (bHLH)-Per-ARNT-Sim (PAS) family (1, 2). Human arnt is located on chromosome 1q21 and encodes a protein 789 amino acids (aa) in length with a theoretical molecular weight of 87 kDa (1). Structurally, ARNT has a DNA binding bHLH domain, two PAS domains required for dimerization, and a transactivation domain/PAC region (1). ARNT belongs to the Class II bHLH-PAS proteins and is able to homodimerize or heterodimerize with the Class I proteins including AHA, AHRR, HIF-1 alpha, HIF-2 alpha, NPAS1, and SIM1 (2). Dimerization allows for efficient DNA binding and regulation of their target genes (2).

ARNT has an important role in two specific signaling pathways - the aryl hydrocarbon receptor (AhR) and the hypoxia inducible factor (HIF) pathway (1). In the AhR pathway, AhR in the cytosol is typically inactive and bound to heat shock protein 90 (hsp90) (3). Upon activation and ligand binding by environmental pollutants such as dioxins, AhR is translocated to the nucleus, dissociates from hsp90, and dimerizes with ARNT, leading to binding to response elements and expression of target genes including monooxygenases (1, 3). In the HIF pathway, under hypoxia (low oxygen) conditions prolylhydroxylase domain (PHD) enzymes and factor inhibiting HIF (FIH) are inhibited. HIF-1 alpha (or HIF-2 alpha) accumulates and is transported to the nucleus where it heterodimerizes with ARNT, allowing for binding to target gene's hypoxia response element (HRE), recruitment of coactivators, and transcription (1, 3). HIF-induced gene transcription plays a large role in tumor progression by promoting invasion, metastasis, de-differentiation and altered metabolism, and angiogenesis (1). While HIF-1 alpha's stability is dependent upon oxygen conditions, HIF-1 beta is stable in both normoxia and hypoxia (1-3).

The bHLH-PAS family and ARNT have been linked with a variety of pathologies and diseases including cancer, metabolic diseases, autoimmune diseases, and psychiatric disorders (2). ARNT/AHR is expressed in the skin and its pathway activation enhances skin barrier function and epidermal terminal differentiation, thus AHR agonists are currently being used as therapeutics for atopic dermatitis and psoriasis (4). Accordingly, studies of Arnt-deficient mice show profound abnormalities in skin barrier function and keratinization (4). Additionally, studies suggest that ARNT plays an important role in diabetes and beta-cell function (5). Islets from patients with type 2 diabetes have a significantly decreased ARNT expression compared to glucose-tolerant control donors (5). Modulation and stimulation of the HIF pathway may be a potential therapeutic strategy for treating type 2 diabetes and metabolic syndrome (5).

Alternate names for ARNT/HIF-1 beta include aryl hydrocarbon receptor nuclear translocator, BHLHE2, class E basic helix-loop-helix protein 2, Dixon receptor nuclear translocator, Hypoxia-inducible factor 1-beta, nuclear translocator, and TANGO.

References

1. Mandl, M., & Depping, R. (2014). Hypoxia-inducible aryl hydrocarbon receptor nuclear translocator (ARNT) (HIF-1beta): is it a rare exception?. Molecular medicine (Cambridge, Mass.). https://doi.org/10.2119/molmed.2014.00032

2. Wu, D., & Rastinejad, F. (2017). Structural characterization of mammalian bHLH-PAS transcription factors. Current opinion in structural biology. https://doi.org/10.1016/j.sbi.2016.09.011

3. Esser, C., & Rannug, A. (2015). The aryl hydrocarbon receptor in barrier organ physiology, immunology, and toxicology. Pharmacological reviews.https://doi.org/10.1124/pr.114.009001

4. Furue, M., Hashimoto-Hachiya, A., & Tsuji, G. (2019). Aryl Hydrocarbon Receptor in Atopic Dermatitis and Psoriasis. International journal of molecular sciences. https://doi.org/10.3390/ijms20215424

5. Girgis, C. M., Cheng, K., Scott, C. H., & Gunton, J. E. (2012). Novel links between HIFs, type 2 diabetes, and metabolic syndrome. Trends in endocrinology and metabolism: TEM, https://doi.org/10.1016/j.tem.2012.05.003

Long Name

Aryl Hydrocarbon Receptor Nuclear Translocator

Alternate Names

HIF-1 beta, HIF1 beta, TANGO

Gene Symbol

ARNT

Additional ARNT/HIF-1 beta Products

Product Documents for ARNT/HIF-1 beta Antibody (3R0Y4)

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Certificate of Analysis

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Product Specific Notices for ARNT/HIF-1 beta Antibody (3R0Y4)

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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