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Email: info@nsjbio.com
- Tel: 858.663.9055
- Email: info@nsjbio.com
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Transcription Factor JunB Antibody / JUNB Polyclonal Antibody recognizes JunB, a basic leucine zipper transcription factor encoded by the JUNB gene. JunB is a member of the JUN protein family, which also includes c-Jun and JunD, and functions as a component of activator protein-1 (AP-1) transcription factor complexes. AP-1 integrates diverse extracellular and intracellular signals to regulate gene-expression programs associated with proliferation, differentiation, survival, inflammation, and cellular stress responses.
JunB contains a C-terminal basic DNA-binding region adjacent to a leucine zipper domain that mediates protein dimerization. Through these structural elements, JunB can form homodimers or heterodimers with other JUN proteins and members of the FOS family. The resulting AP-1 complexes recognize specific regulatory DNA sequences and influence transcription of target genes. Complex composition is an important determinant of AP-1 activity because individual JUN and FOS family members can exert distinct effects depending on cellular context.
JUNB is classified as an immediate-early response gene and can be rapidly induced by growth factors, cytokines, cellular stress, and other stimuli. Its biological activity is controlled at several levels, including transcription, protein stability, post-translational modification, and selection of dimerization partners. A Transcription Factor JunB Antibody can therefore be useful for investigating changes in JunB abundance as part of dynamic AP-1 signaling responses.
JunB contributes to the regulation of cell proliferation and differentiation and has been investigated in immune function, hematopoiesis, bone biology, tissue remodeling, and development. Altered JUNB expression or regulation has also been studied in cancer and other pathological conditions involving disrupted growth or differentiation. Importantly, JunB should not simply be treated as an interchangeable substitute for c-Jun. Although JUN family proteins share related DNA-binding and dimerization properties, differences in their regulatory regions, expression patterns, and interacting partners can produce distinct biological effects.
Analysis of JunB can consequently complement studies of other AP-1 components and help distinguish changes in individual transcription factor family members from broader alterations in AP-1 signaling. The relationship between JUNB expression, cellular stimulation, and differentiation state makes the protein relevant to studies spanning signal transduction and transcriptional regulation.
A Transcription Factor JunB Antibody provides a reagent for investigating JunB expression and its contribution to AP-1-dependent transcription, while a JUNB Polyclonal Antibody provides gene-based terminology for research examining cellular signaling, differentiation, and transcriptional responses.
For a monoclonal alternative targeting this protein, see our JUNB Antibody PCRP-JUNB-3G2 / JunB Monoclonal Antibody page.
Optimal dilution of the Transcription Factor JunB Antibody / JUNB Polyclonal Antibody should be determined by the researcher.
Amino acids HDYKLLKPSLAVNLADPY from the human protein were used as the immunogen for the Transcription Factor JunB Antibody.
After reconstitution, the Transcription Factor JunB Antibody can be stored for up to one month at 4oC. For long-term, aliquot and store at -20oC. Avoid repeated freezing and thawing.
JUNB antibody, JunB antibody, JunB Proto-Oncogene antibody, AP-1 Subunit JunB antibody, Transcription Factor AP-1 Subunit JunB antibody
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