Rabbit Polyclonal JUNB antibody. Suitable for WB, ICC/IF and reacts with Mouse, Human samples. Cited in 3 publications. Immunogen corresponding to Synthetic Peptide within Mouse Junb aa 1-100.
Constituents: 100% PBS
WB | ICC/IF | |
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Human | Expected | Tested |
Mouse | Tested | Expected |
Rat | Predicted | Predicted |
Species | Dilution info | Notes |
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Species Mouse | Dilution info 10 µg/mL | Notes - |
Species | Dilution info | Notes |
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Species Human | Dilution info Use at an assay dependent concentration. | Notes - |
Species | Dilution info | Notes |
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Species Rat | Dilution info - | Notes - |
Species | Dilution info | Notes |
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Species Human | Dilution info 2 µg/mL | Notes - |
Species | Dilution info | Notes |
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Species Mouse | Dilution info Use at an assay dependent concentration. | Notes - |
Species | Dilution info | Notes |
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Species Rat | Dilution info - | Notes - |
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Transcription factor involved in regulating gene activity following the primary growth factor response. Binds to the DNA sequence 5'-TGA[GC]TCA-3'. Heterodimerizes with proteins of the FOS family to form an AP-1 transcription complex, thereby enhancing its DNA binding activity to an AP-1 consensus sequence and its transcriptional activity (By similarity).
Transcription factor JunB, Transcription factor AP-1 subunit JunB, JUNB
Rabbit Polyclonal JUNB antibody. Suitable for WB, ICC/IF and reacts with Mouse, Human samples. Cited in 3 publications. Immunogen corresponding to Synthetic Peptide within Mouse Junb aa 1-100.
Constituents: 100% PBS
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The JunB protein also known as Jun B proto-oncogene is a transcription factor belonging to the AP-1 family. It has a molecular mass of approximately 36 kDa. JunB is expressed in various tissues including epithelial endothelial and immune cells. It often forms heterodimers with other proteins like c-Fos enhancing its capacity to regulate gene expression. Its expression levels can fluctuate with physiological changes and cellular stress indicating its role in managing dynamic cellular processes.
JunB influences cell proliferation differentiation and apoptosis. As part of the AP-1 transcription factor complex it binds to specific DNA sequences regulating genes involved in these important processes. This ability to influence cell cycle and immune response highlights the importance of JunB in tissue development and function. Additionally JunB plays a role in controlling the expression of genes involved in inflammatory responses impacting immune cell activation and function.
JunB interacts with various signaling cascades such as the MAPK/ERK and JAK/STAT pathways. These pathways are fundamental in transmitting extracellular signals to the nucleus affecting gene transcription. In the MAPK/ERK pathway JunB works closely with proteins such as c-Jun and c-Fos facilitating cell proliferation and survival. Furthermore it contributes to the JAK/STAT pathway by modulating the inflammatory response demonstrating JunB's adaptability across different cellular contexts.
Altered JunB expression links to conditions like cancer and autoimmune diseases. In some cancers such as leukemia aberrant levels of JunB disrupt normal cell growth collaborating with proteins like c-Myc to promote oncogenesis. In autoimmune disorders JunB can modify immune cell activity through proteins like STAT3 potentially exacerbating inflammation. Understanding JunB functions in these contexts provides insights into potential therapeutic targets for these diseases.
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This species and application combination has not been tested, but we predict it will work based on strong homology. However, this combination is not covered by our product promise.
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ab3525 in Western blot on L929 cells. There is the specific band at 38 kDa. There are also non-specific bands at 50 kDa and a very faint one at 40 kDa.
All lanes: Western blot - Anti-JunB antibody (ab3525)
Lane 1: L929 cell extract
Lane 2: Extract from L929 cells treated with dexamethasone
Predicted band size: 36 kDa
Observed band size: 38 kDa, 50 kDa
Immunofluorescent analysis of PC-3 (Human prostate adenocarcinoma cell line) cells on 70% confluent log phase labeling JunB. The cells were fixed with 4% paraformaldehyde for 10 minutes, permeabilized with 0.1% Triton™ X-100 for 10 minutes, and blocked with 1% BSA for 1 hour at room temperature. The cells were labeled with ab3525 at 2 μg/mL in 0.1% BSA and incubated for 3 hours at room temperature and then labeled with Goat anti-Rabbit IgG (H+L) secondary antibody, Alexa Fluor® 488 conjugate at 1/2000 dilution for 45 minutes at room temperature (Panel a: green). Nuclei (Panel b: blue) were stained with DAPI. F-actin (Panel c: red) was stained with Alexa Fluor® 555 Rhodamine Phalloidin (1/300 dilution). Panel d is a merged image showing nuclear localization. Panel e is a no primary antibody control. The images were captured at 60X magnification.
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