Mouse HSF1 Antibody

Catalog #: MAB7130 Datasheet / COA / SDS

Catalog #	Availability	Size / Price	Qty
MAB7130
MAB7130-SP

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Mouse HSF1 Antibody Summary

Species Reactivity

Mouse

Specificity

Detects mouse HSF1 in direct ELISAs. In direct ELISAs, no cross-reactivity with recombinant human HSF2 or recombinant mouse HSF4 is observed.

Source

Monoclonal Rat IgG_2A Clone # 744509

Purification

Protein A or G purified from hybridoma culture supernatant

Immunogen

E. coli-derived recombinant mouse HSF1
Thr124-Tyr247
Accession # P38532

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.

Applications

Recommended Concentration

Sample

Immunohistochemistry

8-25 µg/mL

See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Immunohistochemistry

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HSF1 in Mouse Testis. HSF1 was detected in perfusion fixed frozen sections of mouse testis using Rat Anti-Mouse HSF1 Monoclonal Antibody (Catalog # MAB7130) at 25 µg/mL overnight at 4 °C. Tissue was stained using the NorthernLights™ 557-conjugated Anti-Rat IgG Secondary Antibody (red; Catalog # NL013) and counterstained with DAPI (blue). Specific staining was localized to nuclei of spermatocytes. View our protocol for Fluorescent IHC Staining of Frozen Tissue Sections.

Reconstitution Calculator

Preparation and Storage

Reconstitution

Sterile PBS to a final concentration of 0.5 mg/mL.

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: HSF1

Heat Shock Factor 1 (HSF1) is a 75-80 kDa constitutively expressed protein that functions as a transcriptional regulator under heat shock conditions. Heat stress induces the serine hyperphosphorylation, sumoylation, trimerization, and translocation of HSF1 to the nucleus. Nuclear HSF1 binds to heat shock elements (HSE) and promotes the transcription of genes important in cell protection from heat stress. Mouse HSF1 contains a DNA binding domain (aa 16-120), two hydrophobic oligomerization motifs (aa 137-212 and aa 378-407), a regulatory domain (aa 221-310), and a transactivation domain (aa 367-525). Alternate splicing of mouse HSF1 generates a short isoform that lacks 22 amino acids of the transactivation domain. Within aa 124-247, mouse HSF1 shares 94% and 99% aa sequence identity with human and rat HSF1, respectively.

Long Name

Heat Shock Transcription Factor 1

Entrez Gene IDs

3297 (Human); 154991 (Mouse); 79245 (Rat)

Alternate Names

heat shock factor protein 1; heat shock transcription factor 1HSTF1HSF 1; HSF1; HSTF 1; HSTF1