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Signal Transduction Cytoskeleton / ECM Cytoskeleton Microfilaments Actin etc Actin Assembly
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Anti-RhoA antibody (ab86297)

  • Datasheet
Reviews (1)Q&A (6)References (8)

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Western blot - Anti-RhoA antibody (ab86297)
  • Western blot - Anti-RhoA antibody (ab86297)
  • Western blot - Anti-RhoA antibody (ab86297)
  • Immunocytochemistry/ Immunofluorescence - Anti-RhoA antibody (ab86297)

Key features and details

  • Rabbit polyclonal to RhoA
  • Suitable for: ICC/IF, WB
  • Reacts with: Mouse, Rat, Human
  • Isotype: IgG

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Protein
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Recombinant Human RhoA protein (ab101594)
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Overview

  • Product name

    Anti-RhoA antibody
    See all RhoA primary antibodies
  • Description

    Rabbit polyclonal to RhoA
  • Host species

    Rabbit
  • Tested applications

    Suitable for: ICC/IF, WBmore details
  • Species reactivity

    Reacts with: Mouse, Rat, Human
    Predicted to work with: Chicken, Cow, Dog, Zebrafish, Orangutan
  • Immunogen

    Synthetic peptide corresponding to Human RhoA aa 150 to the C-terminus conjugated to keyhole limpet haemocyanin.
    (Peptide available as ab101307)

  • Positive control

    • This antibody gave a positive signal in the following whole cell lysates: HL60; MCF7; MDA-MB-231; HeLa; Human Platelets.
  • General notes

    Reproducibility is key to advancing scientific discovery and accelerating scientists’ next breakthrough.

    Abcam is leading the way with our range of recombinant antibodies, knockout-validated antibodies and knockout cell lines, all of which support improved reproducibility.

    We are also planning to innovate the way in which we present recommended applications and species on our product datasheets, so that only applications & species that have been tested in our own labs, our suppliers or by selected trusted collaborators are covered by our Abpromise™ guarantee.

    In preparation for this, we have started to update the applications & species that this product is Abpromise guaranteed for.

    We are also updating the applications & species that this product has been “predicted to work with,” however this information is not covered by our Abpromise guarantee.

    Applications & species from publications and Abreviews that have not been tested in our own labs or in those of our suppliers are not covered by the Abpromise guarantee.

    Please check that this product meets your needs before purchasing. If you have any questions, special requirements or concerns, please send us an inquiry and/or contact our Support team ahead of purchase. Recommended alternatives for this product can be found below, as well as customer reviews and Q&As.

Properties

  • Form

    Liquid
  • Storage instructions

    Shipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C or -80°C. Avoid freeze / thaw cycle.
  • Storage buffer

    pH: 7.40
    Preservative: 0.02% Sodium azide
    Constituent: PBS

    Batches of this product that have a concentration < 1mg/ml may have BSA added as a stabilising agent. If you would like information about the formulation of a specific lot, please contact our scientific support team who will be happy to help.
  • Concentration information loading...
  • Purity

    Immunogen affinity purified
  • Clonality

    Polyclonal
  • Isotype

    IgG
  • Research areas

    • Signal Transduction
    • Cytoskeleton / ECM
    • Cytoskeleton
    • Microfilaments
    • Actin etc
    • Actin Assembly
    • Signal Transduction
    • Signaling Pathway
    • G Protein Signaling
    • Small G Proteins
    • Ras Family
    • Cancer
    • Signal transduction
    • G protein signaling
    • Small G proteins
    • Ras family

Associated products

  • Compatible Secondaries

    • Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077)
    • Goat Anti-Rabbit IgG H&L (HRP) (ab205718)
  • Isotype control

    • Rabbit IgG, polyclonal - Isotype Control (ChIP Grade) (ab171870)
  • Recombinant Protein

    • Recombinant Human RhoA protein (ab101594)

Applications

Our Abpromise guarantee covers the use of ab86297 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
ICC/IF Use a concentration of 10 µg/ml.
WB Use a concentration of 1 µg/ml. Detects a band of approximately 20 kDa (predicted molecular weight: 21 kDa).

Target

  • Function

    Regulates a signal transduction pathway linking plasma membrane receptors to the assembly of focal adhesions and actin stress fibers. Serves as a target for the yopT cysteine peptidase from Yersinia pestis, vector of the plague, and Yersinia pseudotuberculosis, which causes gastrointestinal disorders. May be an activator of PLCE1. Activated by ARHGEF2, which promotes the exchange of GDP for GTP.
  • Sequence similarities

    Belongs to the small GTPase superfamily. Rho family.
  • Domain

    The basic-rich region is essential for yopT recognition and cleavage.
  • Post-translational
    modifications

    Substrate for botulinum ADP-ribosyltransferase.
    Cleaved by yopT protease when the cell is infected by some Yersinia pathogens. This removes the lipid attachment, and leads to its displacement from plasma membrane and to subsequent cytoskeleton cleavage.
    AMPylation at Tyr-34 and Thr-37 are mediated by bacterial enzymes in case of infection by H.somnus and V.parahaemolyticus, respectively. AMPylation occurs in the effector region and leads to inactivation of the GTPase activity by preventing the interaction with downstream effectors, thereby inhibiting actin assembly in infected cells. It is unclear whether some human enzyme mediates AMPylation; FICD has such ability in vitro but additional experiments remain to be done to confirm results in vivo.
    Ubiquitinated by the BCR(BACURD1) and BCR(BACURD2) E3 ubiquitin ligase complexes, leading to its degradation by the proteasome, thereby regulating the actin cytoskeleton and cell migration.
  • Cellular localization

    Cell membrane. Cytoplasm > cytoskeleton.
  • Target information above from: UniProt accession P61586 The UniProt Consortium
    The Universal Protein Resource (UniProt) in 2010
    Nucleic Acids Res. 38:D142-D148 (2010) .

    Information by UniProt
  • Database links

    • Entrez Gene: 395442 Chicken
    • Entrez Gene: 338049 Cow
    • Entrez Gene: 403954 Dog
    • Entrez Gene: 387 Human
    • Entrez Gene: 11848 Mouse
    • Entrez Gene: 117273 Rat
    • Omim: 165390 Human
    • SwissProt: P61585 Cow
    • SwissProt: P24406 Dog
    • SwissProt: P61586 Human
    • SwissProt: Q9QUI0 Mouse
    • SwissProt: Q5REY6 Orangutan
    • SwissProt: P61589 Rat
    • Unigene: 247077 Human
    • Unigene: 757 Mouse
    • Unigene: 107401 Rat
    see all
  • Alternative names

    • Aplysia ras related homolog 12 antibody
    • ARH12 antibody
    • ARHA antibody
    • H 12 antibody
    • H12 antibody
    • Oncogene RHO H12 antibody
    • Ras homolog family member A antibody
    • Ras homolog gene family member A antibody
    • Rho A antibody
    • Rho cDNA clone 12 antibody
    • RHO H12 antibody
    • RHO12 antibody
    • RHOA antibody
    • RHOA_HUMAN antibody
    • RHOH12 antibody
    • Small GTP binding protein Rho A antibody
    • Transforming protein Rho A antibody
    • Transforming protein RhoA antibody
    see all

Images

  • Western blot - Anti-RhoA antibody (ab86297)
    Western blot - Anti-RhoA antibody (ab86297)
    All lanes : Anti-RhoA antibody (ab86297) at 1 µg/ml

    Lane 1 : HL60 (Human promyelocytic leukemia cell line) Whole Cell Lysate
    Lane 2 : MCF7 (Human breast adenocarcinoma cell line) Whole Cell Lysate
    Lane 3 : MDA-MB-231 (Human breast adenocarcinoma cell line) Whole Cell Lysate
    Lane 4 : HeLa (Human epithelial carcinoma cell line) Whole Cell Lysate
    Lane 5 : Human Platelet (Human adult normal cell line) Whole Cell Lysate

    Lysates/proteins at 10 µg per lane.

    Secondary
    All lanes : Goat Anti-Rabbit IgG H&L (HRP) preadsorbed (ab97080) at 1/5000 dilution

    Developed using the ECL technique.

    Performed under reducing conditions.

    Predicted band size: 21 kDa
    Observed band size: 20 kDa
    why is the actual band size different from the predicted?


    Exposure time: 90 seconds
  • Western blot - Anti-RhoA antibody (ab86297)
    Western blot - Anti-RhoA antibody (ab86297)
    All lanes : Anti-RhoA antibody (ab86297) at 1 µg/ml

    Lane 1 : Kidney (Mouse) Tissue Lysate
    Lane 2 : Mouse lung normal tissue lysate - total protein (ab29297)
    Lane 3 : Kidney (Rat) Tissue Lysate
    Lane 4 : Lung (Rat) Tissue Lysate

    Lysates/proteins at 10 µg per lane.

    Secondary
    All lanes : Goat Anti-Rabbit IgG H&L (HRP) preadsorbed (ab97080) at 1/5000 dilution

    Developed using the ECL technique.

    Performed under reducing conditions.

    Predicted band size: 21 kDa
    Observed band size: 20 kDa why is the actual band size different from the predicted?


    Exposure time: 2 minutes
  • Western blot - Anti-RhoA antibody (ab86297)
    Western blot - Anti-RhoA antibody (ab86297)
  • Immunocytochemistry/ Immunofluorescence - Anti-RhoA antibody (ab86297)
    Immunocytochemistry/ Immunofluorescence - Anti-RhoA antibody (ab86297)
    ICC/IF image of ab86297 stained MCF7 cells. The cells were 4% PFA fixed (10 min) and then incubated in 1%BSA / 10% normal goat serum / 0.3M glycine in 0.1% PBS-Tween for 1h to permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody (ab86297, 10µg/ml) overnight at +4°C. The secondary antibody (green) was ab96899 Dylight 488 goat anti-rabbit IgG (H+L) used at a 1/250 dilution for 1h. Alexa Fluor® 594 WGA was used to label plasma membranes (red) at a 1/200 dilution for 1h. DAPI was used to stain the cell nuclei (blue) at a concentration of 1.43µM.

Protocols

  • Western blot protocols
  • Immunocytochemistry & immunofluorescence protocols

Click here to view the general protocols

Datasheets and documents

    • Datasheet
  • References (8)

    Publishing research using ab86297? Please let us know so that we can cite the reference in this datasheet.

    ab86297 has been referenced in 8 publications.

    • Fan XD  et al. miR-154-3p and miR-487-3p synergistically modulate RHOA signaling in the carcinogenesis of thyroid cancer. Biosci Rep 40:N/A (2020). PubMed: 31820783
    • Abou-Antoun TJ  et al. Molecular and functional analysis of anchorage independent, treatment-evasive neuroblastoma tumorspheres with enhanced malignant properties: A possible explanation for radio-therapy resistance. PLoS One 13:e0189711 (2018). PubMed: 29298329
    • Ye Y  et al. Exosomal miR-141-3p regulates osteoblast activity to promote the osteoblastic metastasis of prostate cancer. Oncotarget 8:94834-94849 (2017). PubMed: 29212270
    • Wang Y  et al. MiR-124 Promote Neurogenic Transdifferentiation of Adipose Derived Mesenchymal Stromal Cells Partly through RhoA/ROCK1, but Not ROCK2 Signaling Pathway. PLoS One 11:e0146646 (2016). WB ; Human . PubMed: 26745800
    • Lin R  et al. Electroacupuncture improves cognitive function through Rho GTPases and enhances dendritic spine plasticity in rats with cerebral ischemia-reperfusion. Mol Med Rep 13:2655-60 (2016). PubMed: 26846874
    • Freeman MC  et al. Coronaviruses induce entry-independent, continuous macropinocytosis. MBio 5:e01340-14 (2014). Mouse . PubMed: 25096879
    • Lázaro-Diéguez F  et al. Par1b links lumen polarity with LGN-NuMA positioning for distinct epithelial cell division phenotypes. J Cell Biol 203:251-64 (2013). PubMed: 24165937
    • Nuno DW  et al. RhoA localization with caveolin-1 regulates vascular contractions to serotonin. Am J Physiol Regul Integr Comp Physiol 303:R959-67 (2012). WB ; Mouse . PubMed: 22955057

    Customer reviews and Q&As

    Show All Reviews Q&A
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    1-7 of 7 Abreviews or Q&A

    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) abreview for Anti-RhoA antibody

    Excellent
    Abreviews
    Abreviews
    abreview image
    Application
    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)
    Sample
    Dog Tissue sections (Uterus)
    Antigen retrieval step
    Heat mediated - Buffer/Enzyme Used: citrate buffer pH=6.0
    Permeabilization
    No
    Specification
    Uterus
    Blocking step
    Serum as blocking agent for 20 minute(s) · Concentration: 10% · Temperature: 20°C
    Fixative
    Formaldehyde
    Read More

    Abcam user community

    Verified customer

    Submitted Oct 14 2016

    Question

    Thanks for your reply. I did think the size difference is probably due to interactions or modifications. The modifications I am aware of at the moment I expect to be present in the membrane fraction rather than the cytosolic fraction but I will investigate the literature for clues. In the whole cell fraction I only get the 30 kDa band but if the size difference is due to differential properties of membrane and cytosolic RhoA the lack of the smaller band could be explained by RhoA being more dilute in the whole cell fraction than in the membrane. I get my whole cell fraction as part of the fractionation protocol in which I unfortunately can’t use RIPA buffer but I have already added a step to my protocol that will hopefully improve solubilisation if it is the problem. And if this doesn’t help I will try heating with and without SDS and DTT.

    Thanks for your help.

    Regards,

    Read More

    Abcam community

    Verified customer

    Asked on Jun 20 2012

    Answer

    Thank you for your reply.

    I hope the use of SDS and DTT will resolve the problem!

    Please let us know also if there is anything else we could help you with. We do have for example different cell fractionation kits, and if the SDS and DTT would not clarify the band pattern, we could try sucha kit to see whether the same bands are observed in the different fractions (I problably could make a good testing offer on these if you would then provide a feedback as well).

    I wish you all the best for your project and please do not hesitate to contact us again for any questions in relation to our products.

    Read More

    Abcam Scientific Support

    Answered on Jun 20 2012

    Question

    Sorry it’s taken me such a long time to get back to you. I did manage to get the RhoA antibody working though something slightly unexpected happened and I’m hoping you might be able to help me with this. I am doing subcellular fractionation and depending on the fraction the bands were different sizes; in the nuclear and membrane fractions the bands were about the expected size (or maybe slightly smaller) but in the whole cell and cytosolic fractions the bands were about 30 kDa. The only difference I can think of is the presence of detergent; the nuclear and membrane fractions both have it and not the cytosolic, I have added detergent to the whole cell fraction as well though differently from the nuclear and membrane fractions. Any more info on this would be useful.



    Regards,

    Read More

    Abcam community

    Verified customer

    Asked on Jun 19 2012

    Answer

    Thank you very much for your email. I am very happy to hear that the RhoA antibody is working now.

    The observedband in the cytoplasm is indeed unexpected. I would think this would correspond to a complex in the cytoplasm or another modification.I am however not an expert in RhoA biology and would rely ona more thorough literature research for finding what interaction partner it could be.

    In order to analyse howeverfroma technical point of viewthis observed protein, I would recommend to systematically heat with and without SDS and beta Mercaptoethanol (or DTT) the fractions, and see whether the bands are still present. Do you observe the 20kD band also in the whole cell fraction?

    What type of buffer have you used to make the cell lysis? I can recommend also to try the RIPA buffer for the whole cell lysate. RIPA buffer is a very good buffer to solubilize the proteins. (https://www.abcam.com/index.html?pageconfig=resource&rid=11379#A1)

    Please let me know if this makes sense. I hope this will help to clarify the results. Please keep me updated and do let me know if you would have any doubt about the quality of the antibody.

    I am looking forward to hear back from you.

    Read More

    Abcam Scientific Support

    Answered on Jun 19 2012

    Question

    What is the homology between the immunogen and the mouse RhoB and RhoC protein sequences?

    Read More

    Abcam community

    Verified customer

    Asked on Jun 14 2012

    Answer

    Thank you for your call a couple weeks ago, and I sincerely apologize for the delay in getting back to you.
    As we discussed, the immunogen of ab86297 is 83% identical to RhoB and 73% to RhoC, so it is possible that this antibody will cross-react. I have unfortunately been unable to obtain any further information about the immunogen of ab68826.

    I am sorry that I can not be more help in this situation, but please let me know if there is anything else that I might be able to do for you.

    Read More

    Abcam Scientific Support

    Answered on Jun 14 2012

    Question

    Thanks for your reply. Yes the samples have been reducedand denaturedand I know there is protein there asb-actin comes up clearly. Also I have used protease inhibitors. I have used the secondary antibody withanotherrabbit primary and that works fine.Ihaven't tried BSA for blocking yet but will do that as soon as possible.

    Thanks,

    Read More

    Abcam community

    Verified customer

    Asked on May 15 2012

    Answer

    Thank you for your email.

    I look forward hearing back from you with the results of the BSA blocking.

    Have a great day!

    Read More

    Abcam Scientific Support

    Answered on May 15 2012

    Question

    Inquiry: I am not able to get signal from this antibody. I have been testing it in rat liver and have used 20-40 ug of protein. I generally use 4-12% gel as this should be fine for the protein size though I have tried a higher percentage gel as well. Transfers I usually run at 75V for 1.5 hours. I block for 1 hour in room temperature in 5% milk. Primary antibody incubation I do overnight at 4C and I have tried 1:1000 and 1:750 dilutions in milk. Secondary antibody I use at 1:100 000 in RT for 1.5 hours which I know works with another antibody. Washes I do 3 times 7-10 minutes.

    Read More

    Abcam community

    Verified customer

    Asked on May 14 2012

    Answer

    Thank you for taking time to contact us with this information. I am sorry to hear that this antibody is not providing satisfactory results.

    The details provided will enable us to investigate this case and will provide us with vital information for monitoring product quality.

    Having reviewed this case, I would like to offer some suggestions to help optimize the results from ab86297. I would also appreciate if you can confirm some further details:

    1.) Can you please confirm the samples have been reduced and denatured? Reducing with DTT or beta Mercaptoethanol and denaturing the samples with SDS and heating 5 to 10 minutes at 95°C will help the proteins to enter the gel and resolvenicely.

    2.) I can strongly recommend to use BSA as a blocking buffer. Indeed, the laboratory has tested this antibody using BSAfor blocking. Changing the blocking buffer can significantly improve the results. As an illustration, please see also the Western blot image on the datasheet of ab9385 https://www.abcam.com/HRP-GAPDH-antibody-Loading-Control-ab9385.html (or use the following: https://www.abcam.com/HRP-GAPDH-antibody-Loading-Control-ab9385.html).

    3.) Can you also confirm, whether the other reagents can be exluded to be at the origin of the problem? - Has the secondary antibody already provided good results with other primary rabbit antibodies?

    4.) In order to exclude protein degradation as possible origin of the problem, can you please confirm whether proteases inhibitors have been added to the lysate and whetherother proteins been detected in the same lysates?

    I agree also that liver cells should have a high level of RhoA. Should the suggestions not improve the results, please do let me know.

    In the event that a product is not functioning in the species and applications cited on the product datasheet (and the problem has been reported within 6 months of purchase), we would be pleased to provide a free of charge replacement, credit note, or refund.

    I hope this information is helpful, and I thank you for your cooperation.

    Read More

    Abcam Scientific Support

    Answered on May 14 2012

    Question

    Will this antibody also react with RhoB or RhoC?

    Read More

    Abcam community

    Verified customer

    Asked on Oct 31 2011

    Answer

    Thank you for contacting Abcam regarding ab86297. We have not tested this antibody for cross reactivity with RhoB or RhoC.  By blasting the immunogen sequence for this Ab, it shows there may be some cross reactivity with RhoC. I hope this information is helpful.  Please do not hesitate to contact us if you have any additional questions.

    Read More

    Abcam Scientific Support

    Answered on Oct 31 2011

    Please note: All products are "FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC PROCEDURES"
    For licensing inquiries, please contact partnerships@abcam.com

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