Product Info Summary
SKU: | RP1086 |
---|---|
Size: | 100 μg/vial |
Reactive Species: | Human, Mouse, Rat |
Host: | Rabbit |
Application: | Flow Cytometry, IHC, WB |
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Product info
Product Name
Anti-Fos B/FOSB Antibody Picoband®
SKU/Catalog Number
RP1086
Size
100 μg/vial
Form
Lyophilized
Description
Boster Bio Anti-Fos B/FOSB Antibody catalog # RP1086. Tested in Flow Cytometry, IHC, WB applications. This antibody reacts with Human, Mouse, Rat. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.
Storage & Handling
Store at -20˚C for one year from date of receipt. After reconstitution, at 4˚C for one month. It can also be aliquotted and stored frozen at -20˚C for six months. Avoid repeated freeze-thaw cycles.
Cite This Product
Anti-Fos B/FOSB Antibody Picoband® (Boster Biological Technology, Pleasanton CA, USA, Catalog # RP1086)
Host
Rabbit
Contents
Each vial contains 5mg BSA, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg NaN3.
Clonality
Polyclonal
Isotype
Rabbit IgG
Immunogen
A synthetic peptide corresponding to a sequence at the C-terminus of human Fos B, different from the related mouse sequence by two amino acids.
*Blocking peptide can be purchased. Costs vary based on immunogen length. Contact us for pricing.
Cross-reactivity
No cross-reactivity with other proteins
Reactive Species
RP1086 is reactive to FOSB in Human, Mouse, Rat
Reconstitution
Add 0.2ml of distilled water will yield a concentration of 500ug/ml.
Observed Molecular Weight
35 kDa
Calculated molecular weight
35928 MW
Background of FosB/G0S3
FOSB, FBJ murine osteosarcoma viral oncogene homolog B, is a protein that, in humans, is encoded by the FOSB gene. FOSB is a member of Fos gene family which consists of 4 members: FOS, FOSB, FOSL1, and FOSL2. The FOS proteins have been implicated as regulators of cell proliferation, differentiation, and transformation. The FOSB gene is mapped to 19q13.32. Delta FOSB is a truncated splice variant of FOSB. Delta FosB has been implicated in the development of drug addiction and control of the reward system in the brain, and is linked to changes in a number of other gene products such as CREB and sirtuins. Delta FosB also regulates the commitment of mesenchymal precursor cells to the adipocyte or osteoblast lineage.
Antibody Validation
Boster validates all antibodies on WB, IHC, ICC, Immunofluorescence, and ELISA with known positive control and negative samples to ensure specificity and high affinity, including thorough antibody incubations.
Application & Images
Applications
RP1086 is guaranteed for Flow Cytometry, IHC, WB Boster Guarantee
Assay Dilutions Recommendation
The recommendations below provide a starting point for assay optimization. The actual working concentration varies and should be decided by the user.
Western blot, 0.1-0.5μg/ml, Human, Mouse, Rat
Immunohistochemistry (Paraffin-embedded Section), 0.5-1μg/ml, Human, Mouse, Rat, By Heat
Flow Cytometry (Fixed), 1-3μg/1x106 cells, Human
Positive Control
WB: rat thymus tissue, mouse thymus tissue, mouse ovary tissue, mouse spleen tissue, mouse kidney tissue, mouse RAW2467 whole cell, human HL-60 whole cell, human THP-1 whole cell
IHC: human renal cancer tissue, human placenta tissue, mouse intestine tissue, rat intestine tissue
FCM: SiHa cell
Validation Images & Assay Conditions
Click image to see more details
Figure 1. Western blot analysis of FOSB using anti-FOSB antibody (RP1086).
Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 50ug of sample under reducing conditions.
Lane 1: rat thymus tissue lysates,
Lane 2: mouse thymus tissue lysates,
Lane 3: mouse ovary tissue lysates,
Lane 4: mouse spleen tissue lysates,
Lane 5: mouse kidney tissue lysates,
Lane 6: mouse RAW246.7 whole cell lysates,
Lane 7: human HL-60 whole cell lysates,
Lane 8: human THP-1 whole cell lysates.
After Electrophoresis, proteins were transferred to a Nitrocellulose membrane at 150mA for 50-90 minutes. Blocked the membrane with 5% Non-fat Milk/ TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-FOSB antigen affinity purified polyclonal antibody (Catalog # RP1086) at 0.5 μg/mL overnight at 4°C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:5000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # EK1002) with Tanon 5200 system. A specific band was detected for FOSB at approximately 35KD. The expected band size for FOSB is at 35KD.
Click image to see more details
Figure 2. IHC analysis of FOSB using anti-FOSB antibody (RP1086).
FOSB was detected in paraffin-embedded section of human renal cancer tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 1μg/ml rabbit anti-FOSB Antibody (RP1086) overnight at 4°C. Biotinylated goat anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) (Catalog # SA1022) with DAB as the chromogen.
Click image to see more details
Figure 3. IHC analysis of FOSB using anti-FOSB antibody (RP1086).
FOSB was detected in paraffin-embedded section of human placenta tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 1μg/ml rabbit anti-FOSB Antibody (RP1086) overnight at 4°C. Biotinylated goat anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) (Catalog # SA1022) with DAB as the chromogen.
Click image to see more details
Figure 4. IHC analysis of FOSB using anti-FOSB antibody (RP1086).
FOSB was detected in paraffin-embedded section of mouse intestine tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 1μg/ml rabbit anti-FOSB Antibody (RP1086) overnight at 4°C. Biotinylated goat anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) (Catalog # SA1022) with DAB as the chromogen.
Click image to see more details
Figure 5. IHC analysis of FOSB using anti-FOSB antibody (RP1086).
FOSB was detected in paraffin-embedded section of rat intestine tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 1μg/ml rabbit anti-FOSB Antibody (RP1086) overnight at 4°C. Biotinylated goat anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) (Catalog # SA1022) with DAB as the chromogen.
Click image to see more details
Figure 6. Flow Cytometry analysis of SiHa cells using anti-FOSB antibody (RP1086).
Overlay histogram showing SiHa cells stained with RP1086 (Blue line). To facilitate intracellular staining, cells were fixed with 4% paraformaldehyde and permeabilized with permeabilization buffer. The cells were blocked with 10% normal goat serum. And then incubated with rabbit anti-FOSB Antibody (RP1086, 1μg/1x106 cells) for 30 min at 20°C. DyLight®488 conjugated goat anti-rabbit IgG (BA1127, 5-10μg/1x106 cells) was used as secondary antibody for 30 minutes at 20°C. Isotype control antibody (Green line) was rabbit IgG (1μg/1x106) used under the same conditions. Unlabelled sample without incubation with primary antibody and secondary antibody (Red line) was used as a blank control.
Protein Target Info & Infographic
Gene/Protein Information For FOSB (Source: Uniprot.org, NCBI)
Gene Name
FOSB
Full Name
Protein fosB
Weight
35928 MW
Superfamily
bZIP family
Alternative Names
Protein fosB;G0/G1 switch regulatory protein 3;FOSB;G0S3; FOSB AP-1, G0S3, GOS3, GOSB FosB proto-oncogene, AP-1 transcription factor subunit protein fosB|FBJ murine osteosarcoma viral oncogene homolog B|FosB proto-oncogene, AP-1 trancription factor subunit|G0/G1 switch regulatory protein 3|activator protein 1
*If product is indicated to react with multiple species, protein info is based on the gene entry specified above in "Species".For more info on FOSB, check out the FOSB Infographic
We have 30,000+ of these available, one for each gene! Check them out.
In this infographic, you will see the following information for FOSB: database IDs, superfamily, protein function, synonyms, molecular weight, chromosomal locations, tissues of expression, subcellular locations, post-translational modifications, and related diseases, research areas & pathways. If you want to see more information included, or would like to contribute to it and be acknowledged, please contact [email protected].
Specific Publications For Anti-Fos B/FOSB Antibody Picoband® (RP1086)
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Customer Q&As
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16 Customer Q&As for Anti-Fos B/FOSB Antibody Picoband®
Question
My boss were content with the WB result of your anti-Fos B/FOSB antibody. However we have seen positive staining in mucosa of stomach nucleus. using this antibody. Is that expected? Could you tell me where is FOSB supposed to be expressed?
Verified Customer
Verified customer
Asked: 2020-05-07
Answer
From what I have seen in literature, mucosa of stomach does express FOSB. Generally FOSB expresses in nucleus. Regarding which tissues have FOSB expression, here are a few articles citing expression in various tissues:
Blood, Pubmed ID: 8985116
Blood, and Brain, Pubmed ID: 15489334
Thyroid, Pubmed ID: 14702039
Boster Scientific Support
Answered: 2020-05-07
Question
Will RP1086 anti-Fos B/FOSB antibody work on parafin embedded sections? If so, which fixation method do you recommend we use (PFA, paraformaldehyde, other)?
Verified Customer
Verified customer
Asked: 2020-02-19
Answer
It shows on the product datasheet, RP1086 anti-Fos B/FOSB antibody as been tested on IHC-P. It is best to use PFA for fixation because it has better tissue penetration ability. PFA needs to be prepared fresh before use. Long term stored PFA turns into formalin, as the PFA molecules congregate and become formalin.
Boster Scientific Support
Answered: 2020-02-19
Question
I see that the anti-Fos B/FOSB antibody RP1086 works with IHC-P, what is the protocol used to produce the result images on the product page?
Verified Customer
Verified customer
Asked: 2020-01-15
Answer
You can find protocols for IHC-P on the "support/technical resources" section of our navigation menu. If you have any further questions, please send an email to [email protected]
Boster Scientific Support
Answered: 2020-01-15
Question
We ordered your anti-Fos B/FOSB antibody for WB on mucosa of stomach a few years ago. I am using mouse, and We are going to use the antibody for IHC-P next. I am interested in examining mucosa of stomach as well as blood brain in our next experiment. Do you have any suggestion on which antibody would work the best for IHC-P?
Verified Customer
Verified customer
Asked: 2019-10-24
Answer
I looked at the website and datasheets of our anti-Fos B/FOSB antibody and I see that RP1086 has been tested on mouse in both WB and IHC-P. Thus RP1086 should work for your application. Our Boster satisfaction guarantee will cover this product for IHC-P in mouse even if the specific tissue type has not been validated. We do have a comprehensive range of products for IHC-P detection and you can check out our website bosterbio.com to find out more information about them.
Boster Scientific Support
Answered: 2019-10-24
Question
See attached the WB image, lot number and protocol we used for blood using anti-Fos B/FOSB antibody RP1086. Please let me know if you require anything else.
Verified Customer
Verified customer
Asked: 2019-07-01
Answer
Thank you very much for the data. Our lab team are working to resolve this as quickly as possible, and we appreciate your patience and understanding! You have provided everything we needed. Please let me know if there is anything you need in the meantime.
Boster Scientific Support
Answered: 2019-07-01
Question
Would anti-Fos B/FOSB antibody RP1086 work for IHC-P with blood?
Verified Customer
Verified customer
Asked: 2019-05-28
Answer
According to the expression profile of blood, FOSB is highly expressed in blood. So, it is likely that anti-Fos B/FOSB antibody RP1086 will work for IHC-P with blood.
Boster Scientific Support
Answered: 2019-05-28
Question
I am interested in to test anti-Fos B/FOSB antibody RP1086 on mouse blood for research purposes, then I may be interested in using anti-Fos B/FOSB antibody RP1086 for diagnostic purposes as well. Is the antibody suitable for diagnostic purposes?
Verified Customer
Verified customer
Asked: 2019-05-22
Answer
The products we sell, including anti-Fos B/FOSB antibody RP1086, are only intended for research use. They would not be suitable for use in diagnostic work. If you have the means to develop a product into diagnostic use, and are interested in collaborating with us and develop our product into an IVD product, please contact us for more discussions.
Boster Scientific Support
Answered: 2019-05-22
Question
Is this RP1086 anti-Fos B/FOSB antibody reactive to the isotypes of FOSB?
Verified Customer
Verified customer
Asked: 2019-03-15
Answer
The immunogen of RP1086 anti-Fos B/FOSB antibody is A synthetic peptide corresponding to a sequence at the C-terminus of human Fos B (264-291aa LPFQTSQDAPPNLTASLFTHSEVQVLGD), different from the related mouse sequence by two amino acids. Could you tell me which isotype you are interested in so I can help see if the immunogen is part of this isotype?
Boster Scientific Support
Answered: 2019-03-15
Question
I was wanting to use your anti-Fos B/FOSB antibody for IHC-P for mouse blood on frozen tissues, but I want to know if it has been tested for this particular application. Has this antibody been tested and is this antibody a good choice for mouse blood identification?
K. Huang
Verified customer
Asked: 2018-10-30
Answer
It shows on the product datasheet, RP1086 anti-Fos B/FOSB antibody has been validated for Flow Cytometry, IHC-P, WB on human, mouse, rat tissues. We have an innovator award program that if you test this antibody and show it works in mouse blood in IHC-frozen, you can get your next antibody for free.
Boster Scientific Support
Answered: 2018-10-30
Question
We have observed staining in human mucosa of stomach. Any tips? Is anti-Fos B/FOSB antibody supposed to stain mucosa of stomach positively?
S. Parker
Verified customer
Asked: 2018-06-05
Answer
From literature mucosa of stomach does express FOSB. From Uniprot.org, FOSB is expressed in mucosa of stomach, blood, thyroid, blood brain, among other tissues. Regarding which tissues have FOSB expression, here are a few articles citing expression in various tissues:
Blood, Pubmed ID: 8985116
Blood, and Brain, Pubmed ID: 15489334
Thyroid, Pubmed ID: 14702039
Boster Scientific Support
Answered: 2018-06-05
Question
I have a question about product RP1086, anti-Fos B/FOSB antibody. I was wondering if it would be possible to conjugate this antibody with biotin. I would need it to be without BSA or sodium azide. I am planning on using a buffer exchange of sodium azide with PBS only. Would there be problems for me to conjugate the antibody and store it in -20 degrees in small aliquots?
Verified Customer
Verified customer
Asked: 2018-02-28
Answer
It is not recommended storing this antibody with PBS buffer only in -20 degrees. If you want to store it in -20 degrees it is best to add some cryoprotectant like glycerol. If you want carrier free RP1086 anti-Fos B/FOSB antibody, we can provide it to you in a special formula with trehalose and/or glycerol. These molecules will not interfere with conjugation chemistry and provide a good level of protection for the antibody from degradation. Please be sure to specify this in your purchase order.
Boster Scientific Support
Answered: 2018-02-28
Question
Do you have a BSA free version of anti-Fos B/FOSB antibody RP1086 available?
Verified Customer
Verified customer
Asked: 2018-01-23
Answer
We appreciate your recent telephone inquiry. I can confirm that some lots of this anti-Fos B/FOSB antibody RP1086 are BSA free. For now, these lots are available and we can make a BSA free formula for you free of charge. It will take 3 extra days to prepare. If you require this antibody BSA free again in future, please do not hesitate to contact me and I will be pleased to check which lots we have in stock that are BSA free.
Boster Scientific Support
Answered: 2018-01-23
Question
Is a blocking peptide available for product anti-Fos B/FOSB antibody (RP1086)?
Verified Customer
Verified customer
Asked: 2017-10-31
Answer
We do provide the blocking peptide for product anti-Fos B/FOSB antibody (RP1086). If you would like to place an order for it please contact [email protected] and make a special request.
Boster Scientific Support
Answered: 2017-10-31
Question
We are currently using anti-Fos B/FOSB antibody RP1086 for mouse tissue, and we are satisfied with the WB results. The species of reactivity given in the datasheet says human, mouse, rat. Is it possible that the antibody can work on goat tissues as well?
M. Carter
Verified customer
Asked: 2017-09-14
Answer
The anti-Fos B/FOSB antibody (RP1086) has not been tested for cross reactivity specifically with goat tissues, but there is a good chance of cross reactivity. We have an innovator award program that if you test this antibody and show it works in goat you can get your next antibody for free. Please contact me if I can help you with anything.
Boster Scientific Support
Answered: 2017-09-14
Question
We need using your anti-Fos B/FOSB antibody for cellular response to hormone stimulus studies. Has this antibody been tested with western blotting on rat kidney tissue? We would like to see some validation images before ordering.
D. Miller
Verified customer
Asked: 2017-01-31
Answer
We appreciate your inquiry. This RP1086 anti-Fos B/FOSB antibody is validated on rat kidney tissue, tissue lysate, hepg2 whole cell lysate, pancreatic cancer tissue. It is guaranteed to work for Flow Cytometry, IHC-P, WB in human, mouse, rat. Our Boster guarantee will cover your intended experiment even if the sample type has not been be directly tested.
Boster Scientific Support
Answered: 2017-01-31
Question
Thank you for helping with my inquiry over the phone. Here are the WB image, lot number and protocol we used for blood using anti-Fos B/FOSB antibody RP1086. Let me know if you need anything else.
J. Roberts
Verified customer
Asked: 2014-10-27
Answer
We appreciate the data. You have provided everything we needed. Our lab team are working to resolve your inquiry as quickly as possible, and we appreciate your patience and understanding! Please let me know if there is anything you need in the meantime.
Boster Scientific Support
Answered: 2014-10-27