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Human Hexim 1 Antibody

R&D Systems, part of Bio-Techne | Catalog # AF8106

R&D Systems, part of Bio-Techne
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AF8106
AF8106-SP

Key Product Details

Species Reactivity

Human

Applications

Immunohistochemistry, Western Blot

Label

Unconjugated

Antibody Source

Polyclonal Sheep IgG

Product Specifications

Immunogen

E. coli-derived recombinant human Hexim 1
His213-Asp359
Accession # O94992

Specificity

Detects human Hexim 1 in direct ELISAs and Western blots. In direct ELISAs, less than 1% cross-reactivity with recombinant human Hexim 2 is observed.

Clonality

Polyclonal

Host

Sheep

Isotype

IgG

Scientific Data Images for Human Hexim 1 Antibody

Detection of Human Hexim 1 antibody by Western Blot.

Detection of Human Hexim 1 by Western Blot.

Western blot shows lysates of K562 human chronic myelogenous leukemia cell line, Jurkat human acute T cell leukemia cell line, and Hep3B human hepatocellular carcinoma cell line. PVDF membrane was probed with 1 µg/mL of Sheep Anti-Human Hexim 1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF8106) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for Hexim 1 at approximately 60 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Hexim 1 antibody in Human Liver by Immunohistochemistry (IHC-P).

Hexim 1 in Human Liver.

Hexim 1 was detected in immersion fixed paraffin-embedded sections of human liver using Sheep Anti-Human Hexim 1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF8106) at 1 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Sheep HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS019) and counterstained with hematoxylin (blue). Specific staining was localized to nuclei. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.

Applications for Human Hexim 1 Antibody

Application
Recommended Usage

Immunohistochemistry

5-15 µg/mL
Sample: Immersion fixed paraffin-embedded sections of human liver

Western Blot

1 µg/mL
Sample: K562 human chronic myelogenous leukemia cell line, Jurkat human acute T cell leukemia cell line, and Hep3B human hepatocellular carcinoma cell line

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

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Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: Hexim 1

Hexim 1, also known as CLP1, EDG1, HIS1, and MAQ1, is an approximately 60 kDa transcriptional regulator that binds double stranded RNA and inhibits RNA polymerase II. Hexim 1 plays an important role in many processes including satellite muscle cell regeneration, cardiovascular development, and HIV-1 replication. It can form homodimers and heterodimers with Hexim 2, and its activity is regulated by phosphoylation at Ser158. Hexim 1 inhibits the kinase activity of the elongation factor P-TEFb. This inhibition can be relieved by Hexim 1 interaction with Nucleophosphmin or by cellular exposure to hexamtehylene bisacetamide. Hexim 1 inhibits the transactivation function of the glucocorticoid, estrogen, and androgen receptors. It can inhibit the cellular response to hypoxia and promote cancer progression or, alternatively, can inhibit VEGF mediated angiogenesis and suppress metastasis. Within aa 213-359, human Hexim 1 shares 95% and 94% aa sequence identity with mouse and rat Hexim 1, respectively.

Long Name

Hexamethylene Bis-Acetamide Inducible 1

Alternate Names

CLP1, HEXIM1, HIS1, MAQ1

Entrez Gene IDs

10614 (Human); 192231 (Mouse); 498008 (Rat)

Gene Symbol

HEXIM1

UniProt

Additional Hexim 1 Products

Product Documents for Human Hexim 1 Antibody

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Human Hexim 1 Antibody

For research use only

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