Key features and details
- Produced recombinantly (animal-free) for high batch-to-batch consistency and long term security of supply
- Rabbit monoclonal [EP1302] to Musashi 1 / Msi1
- Suitable for: IHC-P, ICC/IF, WB, Flow Cyt
- Knockout validated
- Reacts with: Chicken, Human, Quail
Product nameAnti-Musashi 1 / Msi1 antibody [EP1302]
See all Musashi 1 / Msi1 primary antibodies
DescriptionRabbit monoclonal [EP1302] to Musashi 1 / Msi1
SpecificitySeveral customers have found that this antibody gives good results in mouse and rat however in our hands, we cannot obtain positive results. This antibody is therefore no longer covered by our Abpromise guarantee for use in mouse or rat.
Tested applicationsSuitable for: IHC-P, ICC/IF, WB, Flow Cytmore details
Unsuitable for: IP
Species reactivityReacts with: Chicken, Human, Quail
Synthetic peptide within Human Musashi 1/ Msi1 (N terminal). The exact sequence is proprietary.
(Peptide available as
- IHC-P: Human lung carcinoma tissue. Flow Cyt: SH-SY5Y cells. ICC: SH-SY5Y and Neuro-2a cells. WB: SH-SY5Y cell lysate.
This product is a recombinant monoclonal antibody, which offers several advantages including:
- - High batch-to-batch consistency and reproducibility
- - Improved sensitivity and specificity
- - Long-term security of supply
- - Animal-free production
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.
We are constantly working hard to ensure we provide our customers with best in class antibodies. As a result of this work we are pleased to now offer this antibody in purified format. We are in the process of updating our datasheets. The purified format is designated 'PUR' on our product labels. If you have any questions regarding this update, please contact our Scientific Support team.
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.
Storage instructionsShipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C long term. Avoid freeze / thaw cycle. Stable for 12 months at -20°C.
Storage bufferpH: 7.20
Preservative: 0.01% Sodium azide
Constituents: 59% PBS, 40% Glycerol, 0.05% BSA
Concentration information loading...
PurityProtein A purified
Our Abpromise guarantee covers the use of ab52865 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
|IHC-P||1/50 - 1/500. Perform heat mediated antigen retrieval before commencing with IHC staining protocol.|
|ICC/IF||1/250 - 1/500.|
|WB||1/1000. Detects a band of approximately 39 kDa (predicted molecular weight: 39 kDa).
For unpurified use at 1/2000.
ab172730 - Rabbit monoclonal IgG, is suitable for use as an isotype control with this antibody.
For unpurified use at 1/40.
FunctionRNA binding protein that regulates the expression of target mRNAs at the translation level. Regulates expression of the NOTCH1 antagonist NUMB. Binds RNA containing the sequence 5'-GUUAGUUAGUUAGUU-3' and other sequences containing the pattern 5'-[GA]U(1-3)AGU-3'. May play a role in the proliferation and maintenance of stem cells in the central nervous system.
Tissue specificityDetected in fetal kidney, brain, liver and lung, and in adult brain and pancreas. Detected in hepatoma cell lines.
Sequence similaritiesBelongs to the Musashi family.
Contains 2 RRM (RNA recognition motif) domains.
DomainThe first RNA recognition motif binds more strongly to RNA compared to the second one.
Cellular localizationCytoplasm. Nucleus.
- Information by UniProt
- Msi 1 antibody
- Msi1 antibody
- MSI1H_HUMAN antibody
All lanes : Anti-Musashi 1 / Msi1 antibody [EP1302] (ab52865) at 1/2000 dilution
Lane 1 : Wild-type HAP1 whole cell lysate
Lane 2 : MSI1 knockout HAP1 whole cell lysate
Lane 3 : SH-SY5Y whole cell lysate
Predicted band size: 39 kDa
Observed band size: 39 kDa
Lanes 1 - 3: Merged signal (red and green). Green - ab52865 observed at 39 kDa. Red - loading control, ab130007, observed at 130 kDa.
ab52865 was shown to specifically react with Musashi 1 / Msi1 in wild-type HAP1 cells as signal was lost in MSI1 knockout cells. Wild-type and MSI1 knockout samples were subjected to SDS-PAGE. Ab52865 and ab130007 (Mouse anti Vinculin loading control) were incubated overnight at 4°C at 1/2000 dilution and 1/20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preabsorbed ab216773 and Goat anti-Mouse IgG H&L (IRDye® 680RD) preabsorbed ab216776 secondary antibodies at 1/20000 dilution for 1 hour at room temperature before imaging.
All lanes : Anti-Musashi 1 / Msi1 antibody [EP1302] (ab52865) at 1/1000 dilution (purified)
Lane 1 : SH-SY5Y (Human neuroblastoma epithelial cell) whole cell lysates
Lane 2 : UMNSAH/DF-1 (chicken embryo fibroblast) whole cell lysates
Lysates/proteins at 20 µg per lane.
All lanes : Anti-Rabbit IgG (HRP), specific to the non-reduced form of IgG at 1/2000 dilution
Predicted band size: 39 kDa
Blocking and diluting buffer: 5% NFDM/TBST.
Flow Cytometry analysis of SH-SY5Y (Human neuroblastoma epithelial cell) cells labeling Mushashi 1/ Msi1 with purified ab52865 at 1:80 dilution (10 µg/ml) (red). Cells were fixed with 4% Paraformaldehyde and permeabilised with 90% methanol. A Goat anti rabbit IgG (Alexa Fluor® 488) secondary antibody was used at 1:2000 dilution. Isotype control - Rabbit monoclonal IgG (Black). Unlabeled control - Cell without incubation with primary antibody and secondary antibody (Blue).
Immunocytochemistry/ Immunofluorescence analysis of SH-SY5Y (Human neuroblastoma epithelial cell) cells labeling Mushashi 1/ Msi1 with Purified ab52865 at 1:500 dilution. Cells were fixed in 4% Paraformaldehyde and permeabilized with 0.1% tritonX-100. Cells were counterstained with Ab195889 Anti-alpha Tubulin antibody [DM1A] - Microtubule Marker (Alexa Fluor® 594) 1:200. Ab150077 Goat anti rabbit IgG(Alexa Fluor® 488) was used as the secondary antibody at 1:1000 dilution. DAPI nuclear counterstain. PBS instead of the primary antibody was used as the secondary antibody only control.
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) analysis of Human lung carcinoma tissue sections labeling Mushashi 1/ Msi1 with Purified ab52865 at 1:50 dilution (17.7 μg/ml). Heat mediated antigen retrieval was performed using ab93684 (Tris/EDTA buffer, pH 9.0). Tissue was counterstained with Hematoxylin. ab97051 Goat Anti-Rabbit IgG H&L (HRP) secondary antibody was used at 1:500 dilution. PBS instead of the primary antibody was used as the negative control.
Immunocytochemistry/Immunofluorescence analysis of Neuro-2a (mouse neuroblastoma) labelling Musashi 1 with purified ab52865 at 1/500. Cells were fixed with 4% Paraformaldehyde and permeabilised by 0.1% tritonX-100. An Alexa Fluor® 488-conjugated goat anti-rabbit IgG (1/1000) was used as the secondary antibody (Ab150077). Nuclei counterstained with DAPI (blue).
Anti-Musashi 1 / Msi1 antibody [EP1302] (ab52865) at 1/2000 dilution (unpurified) + SH-SY-5Y cell lysate at 10 µg/ml
goat anti-rabbit HRP at 1/2000 dilution
Predicted band size: 39 kDa
Observed band size: 39 kDa
Immunohistochemistical detection (on formaldehyde/PFA-fixed paraffin-embedded sections) of Musashi 1 / Msi1 antibody [EP1302] (unpurified ab52865) on Quail Tissue sections (embryo d5/6 Brain stem T/S). Antigen retrieval step: Heat mediated. Blocking step: 1% BSA for 10 mins at RT. Primary Antibody unpurified ab52865 incubated at 1/300 for 2 hours at RT. Secondary Antibody: Biotin labelled goat anti rabbit IgG (1/300).
Flow Cyt image of Musashi1 (ab52865)using Accutase digested single cell suspension of hESC (Neural stem cells derived from human embryonic). The cells were fixed adn permeabilized. The cells were incubated with unpurified ab52865 (1/20 using Prem/wash solution) for 30 mins at 23°C.
To our knowledge, customised protocols are not required for this product. Please try the standard protocols listed below and let us know how you get on.
ab52865 has been referenced in 31 publications.
- Wang CF et al. Knockdown of MSI1 inhibits the proliferation of human oral squamous cell carcinoma by inactivating STAT3 signaling. Int J Mol Med 44:115-124 (2019). PubMed: 31059073
- Liu Q et al. Upregulation of musashi1 increases malignancy of hepatocellular carcinoma via the Wnt/ß-catenin signaling pathway and predicts a poor prognosis. BMC Gastroenterol 19:230 (2019). PubMed: 31888604
- Montalbano M et al. Tau oligomers mediate aggregation of RNA-binding proteins Musashi1 and Musashi2 inducing Lamin alteration. Aging Cell 18:e13035 (2019). PubMed: 31532069
- Odle AK et al. Association of Gnrhr mRNA With the Stem Cell Determinant Musashi: A Mechanism for Leptin-Mediated Modulation of GnRHR Expression. Endocrinology 159:883-894 (2018). PubMed: 29228137
- Agoston AT et al. Columnar-Lined Esophagus Develops via Wound Repair in a Surgical Model of Reflux Esophagitis. Cell Mol Gastroenterol Hepatol 6:389-404 (2018). PubMed: 30186929