Product Info Summary
SKU: | PB9750 |
---|---|
Size: | 100 μg/vial |
Reactive Species: | Mouse, Rat |
Host: | Rabbit |
Application: | IF, IHC, WB |
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Product info
Product Name
Anti-Prealbumin/TTR Antibody Picoband®
View all Transthyretin/Prealbumin Antibodies
SKU/Catalog Number
PB9750
Size
100 μg/vial
Form
Lyophilized
Description
Boster Bio Anti-Prealbumin/TTR Antibody Picoband® catalog # PB9750. Tested in IF, IHC, WB applications. This antibody reacts with 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-Prealbumin/TTR Antibody Picoband® (Boster Biological Technology, Pleasanton CA, USA, Catalog # PB9750)
Host
Rabbit
Contents
Each vial contains 5mg BSA, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg NaN3.
Clonality
Polyclonal
Isotype
Rabbit IgG
Immunogen
E.coli-derived rat Prealbumin recombinant protein (Position: G21-N147). Rat Prealbumin shares 94.5% amino acid (aa) sequence identity with mouse Prealbumin.
*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
PB9750 is reactive to Ttr in Mouse, Rat
Reconstitution
Add 0.2ml of distilled water will yield a concentration of 500ug/ml.
Observed Molecular Weight
16 kDa
Calculated molecular weight
15720 MW
Background of Transthyretin/Prealbumin
Transthyretin (TTR) is also known as prealbumin. It is mapped to chromosome region 18q11.2-q12.1. This gene encodes a carrier protein responsible for the transport of thyroid hormones and retinol. The protein consists of a tetramer of identical subunits. Due to increased stability of the tetramer form of this encoded protein in mouse, compared to the human protein, this gene product has a reduced tendency to form amyloid fibrils. In humans, this protein binds beta-amyloid preventing its aggregation and providing a neuroprotective role in Alzheimer's disease.
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
PB9750 is guaranteed for IF, 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, Mouse, Rat
Immunohistochemistry (Paraffin-embedded Section), 0.5-1μg/ml, Mouse, Rat, By Heat
Immunofluorescence, 5 μg/ml, Mouse, Rat
Positive Control
WB: rat liver tissue, rat kidney tissue, mouse liver tissue, mouse kidney tissue,
IHC: mouse pancreas tissue, rat kidney tissue
IF: mouse pancreas tissue, rat kidney tissue
Validation Images & Assay Conditions
Click image to see more details
Figure 1. Western blot analysis of Prealbumin using anti-Prealbumin antibody (PB9750).
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 liver tissue lysate,
Lane 2: rat kidney tissue lysate,
Lane 3: mouse liver tissue lysate,
Lane 4: mouse kidney tissue lysate,
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-Prealbumin antigen affinity purified polyclonal antibody (Catalog # PB9750) 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 1:10000 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 Prealbumin at approximately 16KD. The expected band size for Prealbumin is at 16KD.
Click image to see more details
Figure 2. IHC analysis of Prealbumin using anti-Prealbumin antibody (PB9750).
Prealbumin was detected in a paraffin-embedded section of mouse pancreas tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 1 μg/ml rabbit anti-Prealbumin Antibody (PB9750) 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 Prealbumin using anti-Prealbumin antibody (PB9750).
Prealbumin was detected in a paraffin-embedded section of rat kidney tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 1 μg/ml rabbit anti-Prealbumin Antibody (PB9750) 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. IF analysis of Prealbumin using anti-Prealbumin antibody (PB9750).
Prealbumin was detected in a paraffin-embedded section of mouse pancreas tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 5 μg/mL rabbit anti-Prealbumin Antibody (PB9750) overnight at 4°C. Cy3 Conjugated Goat Anti-Rabbit IgG (BA1032) was used as secondary antibody at 1:500 dilution and incubated for 30 minutes at 37°C. The section was counterstained with DAPI. Visualize using a fluorescence microscope and filter sets appropriate for the label used.
Click image to see more details
Figure 5. IF analysis of Prealbumin using anti-Prealbumin antibody (PB9750).
Prealbumin was detected in a paraffin-embedded section of rat kidney tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 5 μg/mL rabbit anti-Prealbumin Antibody (PB9750) overnight at 4°C. Cy3 Conjugated Goat Anti-Rabbit IgG (BA1032) was used as secondary antibody at 1:500 dilution and incubated for 30 minutes at 37°C. The section was counterstained with DAPI. Visualize using a fluorescence microscope and filter sets appropriate for the label used.
Protein Target Info & Infographic
Gene/Protein Information For Ttr (Source: Uniprot.org, NCBI)
Gene Name
Ttr
Full Name
Transthyretin
Weight
15720 MW
Superfamily
transthyretin family
Alternative Names
Transthyretin;Prealbumin;TBPA;Ttr;Tt; TTR ATTR, CTS, CTS1, HEL111, HsT2651, PALB, TBPA, TTN transthyretin transthyretin|epididymis luminal protein 111|prealbumin, amyloidosis type I|thyroxine-binding prealbumin
*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 Ttr, check out the Ttr 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 Ttr: 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-Prealbumin/TTR Antibody Picoband® (PB9750)
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Customer Q&As
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16 Customer Q&As for Anti-Prealbumin/TTR Antibody Picoband®
Question
Will PB9750 anti-Prealbumin/TTR antibody work on parafin embedded sections? If so, which fixation method do you recommend we use (PFA, paraformaldehyde, other)?
Verified Customer
Verified customer
Asked: 2020-04-02
Answer
As indicated on the product datasheet, PB9750 anti-Prealbumin/TTR antibody as been validated on WB. 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: 2020-04-02
Question
I have a question about product PB9750, anti-Prealbumin/TTR 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: 2020-03-27
Answer
We do not recommend 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 PB9750 anti-Prealbumin/TTR 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: 2020-03-27
Question
We are currently using anti-Prealbumin/TTR antibody PB9750 for mouse tissue, and we are well pleased with the IHC results. The species of reactivity given in the datasheet says mouse, rat. Is it true that the antibody can work on bovine tissues as well?
Verified Customer
Verified customer
Asked: 2020-03-13
Answer
The anti-Prealbumin/TTR antibody (PB9750) has not been tested for cross reactivity specifically with bovine tissues, though 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 bovine you can get your next antibody for free. Please contact me if I can help you with anything.
Boster Scientific Support
Answered: 2020-03-13
Question
My lab would like to test anti-Prealbumin/TTR antibody PB9750 on rat retina for research purposes, then I may be interested in using anti-Prealbumin/TTR antibody PB9750 for diagnostic purposes as well. Is the antibody suitable for diagnostic purposes?
Verified Customer
Verified customer
Asked: 2020-03-13
Answer
The products we sell, including anti-Prealbumin/TTR antibody PB9750, 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: 2020-03-13
Question
We appreciate helping with my inquiry over the phone. Here are the WB image, lot number and protocol we used for retina using anti-Prealbumin/TTR antibody PB9750. Let me know if you need anything else.
W. Parker
Verified customer
Asked: 2020-03-11
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: 2020-03-11
Question
We have observed staining in rat brain. Are there any suggestions? Is anti-Prealbumin/TTR antibody supposed to stain brain positively?
Verified Customer
Verified customer
Asked: 2020-01-24
Answer
From literature brain does express TTR. From Uniprot.org, TTR is expressed in pigmented layer of retina, liver, retina, corpus callosum, platelet, brain, cajal-retzius cell fetal brain cortex, plasma, cerebrospinal fluid, among other tissues. Regarding which tissues have TTR expression, here are a few articles citing expression in various tissues:
Brain, Cajal-Retzius cell, and Fetal brain cortex, Pubmed ID: 1979335
Cerebrospinal fluid, Pubmed ID: 18221012
Corpus callosum, Pubmed ID: 14702039
Liver, Pubmed ID: 1666289, 2015890, 3022108, 6093805, 15489334, 24275569
Plasma, Pubmed ID: 14760718, 16335952
Platelet, Pubmed ID: 12665801
Retina, Pubmed ID: 10328977
Boster Scientific Support
Answered: 2020-01-24
Question
Is this PB9750 anti-Prealbumin/TTR antibody reactive to the isotypes of TTR?
Verified Customer
Verified customer
Asked: 2019-12-24
Answer
The immunogen of PB9750 anti-Prealbumin/TTR antibody is E.coli-derived rat Prealbumin recombinant protein (Position: G21-N147). Rat Prealbumin shares 94.5% amino acid (aa) sequence identity with mouse Prealbumin. 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: 2019-12-24
Question
See attached the WB image, lot number and protocol we used for retina using anti-Prealbumin/TTR antibody PB9750. Please let me know if you require anything else.
Verified Customer
Verified customer
Asked: 2019-09-19
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: 2019-09-19
Question
Do you have a BSA free version of anti-Prealbumin/TTR antibody PB9750 available?
Verified Customer
Verified customer
Asked: 2019-08-15
Answer
We appreciate your recent telephone inquiry. I can confirm that some lots of this anti-Prealbumin/TTR antibody PB9750 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: 2019-08-15
Question
I was wanting to use your anti-Prealbumin/TTR antibody for WB for rat retina 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 rat retina identification?
Verified Customer
Verified customer
Asked: 2019-06-05
Answer
You can see on the product datasheet, PB9750 anti-Prealbumin/TTR antibody has been tested for IHC, WB on mouse, rat tissues. We have an innovator award program that if you test this antibody and show it works in rat retina in IHC-frozen, you can get your next antibody for free.
Boster Scientific Support
Answered: 2019-06-05
Question
Is a blocking peptide available for product anti-Prealbumin/TTR antibody (PB9750)?
R. Jackson
Verified customer
Asked: 2018-02-20
Answer
We do provide the blocking peptide for product anti-Prealbumin/TTR antibody (PB9750). If you would like to place an order for it please contact [email protected] and make a special request.
Boster Scientific Support
Answered: 2018-02-20
Question
Does anti-Prealbumin/TTR antibody PB9750 work for WB with retina?
J. Jackson
Verified customer
Asked: 2017-10-27
Answer
According to the expression profile of retina, TTR is highly expressed in retina. So, it is likely that anti-Prealbumin/TTR antibody PB9750 will work for WB with retina.
Boster Scientific Support
Answered: 2017-10-27
Question
I was wanting to use using your anti-Prealbumin/TTR antibody for r-rno-975634; retinoid metabolism and transport studies. Has this antibody been tested with western blotting on rat liver tissue? We would like to see some validation images before ordering.
Z. Evans
Verified customer
Asked: 2017-03-16
Answer
Thank you for your inquiry. This PB9750 anti-Prealbumin/TTR antibody is validated on mouse pancreas tissue, tissue lysate, rat liver tissue, kidney tissue, testis tissue. It is guaranteed to work for IHC, WB in 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: 2017-03-16
Question
We purchased anti-Prealbumin/TTR antibody for WB on pigmented layer of retina a few months ago. I am using rat, and I plan to use the antibody for IHC next. I am looking for examining pigmented layer of retina as well as liver in our next experiment. Do you have any suggestion on which antibody would work the best for IHC?
M. Williams
Verified customer
Asked: 2014-03-07
Answer
I looked at the website and datasheets of our anti-Prealbumin/TTR antibody and I see that PB9750 has been validated on rat in both WB and IHC. Thus PB9750 should work for your application. Our Boster satisfaction guarantee will cover this product for IHC in rat even if the specific tissue type has not been validated. We do have a comprehensive range of products for IHC detection and you can check out our website bosterbio.com to find out more information about them.
Boster Scientific Support
Answered: 2014-03-07
Question
My boss were content with the WB result of your anti-Prealbumin/TTR antibody. However we have been able to see positive staining in corpus callosum secreted. cytoplasm. using this antibody. Is that expected? Could you tell me where is TTR supposed to be expressed?
A. Jha
Verified customer
Asked: 2013-10-02
Answer
From literature, corpus callosum does express TTR. Generally TTR expresses in secreted. cytoplasm. Regarding which tissues have TTR expression, here are a few articles citing expression in various tissues:
Brain, Cajal-Retzius cell, and Fetal brain cortex, Pubmed ID: 1979335
Cerebrospinal fluid, Pubmed ID: 18221012
Corpus callosum, Pubmed ID: 14702039
Liver, Pubmed ID: 1666289, 2015890, 3022108, 6093805, 15489334, 24275569
Plasma, Pubmed ID: 14760718, 16335952
Platelet, Pubmed ID: 12665801
Retina, Pubmed ID: 10328977
Boster Scientific Support
Answered: 2013-10-02
Question
I see that the anti-Prealbumin/TTR antibody PB9750 works with WB, what is the protocol used to produce the result images on the product page?
E. Anderson
Verified customer
Asked: 2013-02-12
Answer
You can find protocols for WB 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: 2013-02-12