For Research Use Only. Not for use in diagnostic procedures.

Store all reagents at 2-8 degree C.

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Small volumes of HSF4 elisa kit vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

MBS2607529 is a ready-to-use microwell, strip plate ELISA (enzyme-linked immunosorbent assay) Kit for analyzing the presence of the Heat shock factor protein 4 (HSF4) ELISA Kit target analytes in biological samples. The concentration gradients of the kit standards or positive controls render a theoretical kit detection range in biological research samples containing HSF4. The ELISA analytical biochemical technique of the MBS2607529 kit is based on HSF4 antibody-HSF4 antigen interactions (immunosorbency) and an HRP colorimetric detection system to detect HSF4 antigen targets in samples. The ELISA Kit is designed to detect native, not recombinant, HSF4. Appropriate sample types may include undiluted body fluids and/or tissue homogenates, secretions. Quality control assays assessing reproducibility identified the intra-assay CV (%) and inter-assay CV(%).

49,952 Da

heat shock transcription factor 4

heat shock factor protein 4

Heat shock factor protein 4

HSF 4; hHSF4; HSTF 4??[Similar Products]

HSF4_HUMAN

Heat-shock transcription factors (HSFs) activate heat-shock response genes under conditions of heat or other stresses. HSF4 lacks the carboxyl-terminal hydrophobic repeat which is shared among all vertebrate HSFs and has been suggested to be involved in the negative regulation of DNA binding activity. Two alternatively spliced transcripts encoding distinct isoforms and possessing different transcriptional activity have been described. [provided by RefSeq, Jul 2008]

HSF4: DNA-binding protein that specifically binds heat shock promoter elements (HSE). Isoform HSF4A represses transcription while the isoform HSF4B activates transcription. Defects in HSF4 are the cause of cataract, zonular (CZ). A form of zonular cataract. Zonular or lamellar cataracts are opacities, broad or narrow, usually consisting of powdery white dots affecting only certain layers or zones between the cortex and nucleus of an otherwise clear lens. The opacity may be so dense as to render the entire central region of the lens completely opaque, or so translucent that vision is hardly if at all impeded. Zonular cataracts generally do not involve the embryonic nucleus, though sometimes they involve the fetal nucleus. Usually sharply separated from a clear cortex outside them, they may have projections from their outer edges known as riders or spokes. Defects in HSF4 are the cause of cataract Marner type (CAM). A form of cataract with variable and progressive opacities. Affected individuals present with zonular cataract, although some have nuclear, anterior polar, or stellate cataract. Finger malformation is observed in some kindreds. Belongs to the HSF family. 2 isoforms of the human protein are produced by alternative splicing.

Protein type: Cell development/differentiation; DNA-binding; Transcription, coactivator/corepressor

Chromosomal Location of Human Ortholog: 16q21

Cellular Component: nucleoplasm

Molecular Function: protein phosphatase binding; sequence-specific DNA binding; transcription corepressor activity; transcription factor activity

Biological Process: camera-type eye development; cell development; histone H3-K9 demethylation; negative regulation of transcription from RNA polymerase II promoter; positive regulation of cell differentiation; positive regulation of cell proliferation; positive regulation of transcription from RNA polymerase II promoter; regulation of transcription, DNA-dependent; transcription, DNA-dependent

Disease: Cataract 5, Multiple Types

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