Twist-1 (Twist-related protein 1; also H-Twist and bHLHa38) is a 25‑27 kDa class B member of the bHLH transcription factor family of proteins. It is widely expressed in embryo, and select adult cells such as white adipocytes. In fat, Twist-1 induces fatty acid oxidation via PGC-1 alpha and CPT-1, and promotes MCP-1 and TNF-alpha secretion by adipocytes. In epithelium, Twist-1 dysregulation represses E-Cadherin and induces N-Cadherin expression, resulting in an epithelial-to-mesenchymal transition that can lead to cancer. Human Twist-1 is 202 amino acids (aa) in length. It contains a bHLH domain (aa 109-164) with an embedded DNA-binding motif. Twist-1 forms homodimers, and heterodimerizes with TCF3, HAND 1 and HAND 2. Two distinct mutations exist that may impact its dimerization pattern. There is one seven aa insertion after Ile135, and a second seven aa insertion after Pro139. A third unrelated variant shows a four Gly insert after Gly92. Full-length human Twist-1 shares 98% aa identity with mouse Twist-1.
Human Twist-1 Antibody (927403R)
R&D Systems | Catalog # MAB6230R
Recombinant Monoclonal Antibody.
Scientific images may be resized, cropped, or adjusted for brightness or contrast for presentation purposes. These updates are limited to presentation and do not affect the underlying scientific interpretation of the data. Where available, additional source data may be provided upon request.
Key Product Details
Species Reactivity
Human
Applications
Western Blot, Intracellular Staining by Flow Cytometry, CyTOF-ready
Label
Unconjugated
Antibody Source
Recombinant Monoclonal Mouse IgG1 Clone # 927403R
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Product Specifications
Immunogen
E.coli-derived recombinant human Twist-1
Met1-His202
Accession # Q15672
Met1-His202
Accession # Q15672
Specificity
Detects human Twist-1 in direct ELISAs.
Clonality
Monoclonal
Host
Mouse
Isotype
IgG1
Scientific Data Images for Human Twist-1 Antibody (927403R)
Detection of Human Twist‑1 by Western Blot.
Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line and PC-3 human prostate cancer cell line. PVDF membrane was probed with 2 µg/mL of Mouse Anti-Human Twist-1 Monoclonal Antibody (Catalog # MAB6230R) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). A specific band was detected for Twist-1 at approximately 23 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Detection of Twist‑1 in A549 Human Cell Line by Flow Cytometry.
A549 human lung carcinoma cell line was stained with Mouse Anti-Human Twist-1 Monoclonal Antibody (Catalog # MAB6230R, filled histogram) or isotype control antibody (Catalog # MAB002, open histogram) followed by PE-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # F0102B). To facilitate intracellular staining, cells were fixed and permeabilized with FlowX FoxP3 Fixation & Permeabilization Buffer Kit (Catalog # FC012). View our protocol for Staining Intracellular Molecules.Applications for Human Twist-1 Antibody (927403R)
Application
Recommended Usage
CyTOF-ready
Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
Intracellular Staining by Flow Cytometry
0.25 µg/106 cells
Sample: A549 human lung carcinoma cell line fixed and permeabilized with FlowX FoxP3 Fixation & Permeabilization Buffer Kit (Catalog # FC012)
Sample: A549 human lung carcinoma cell line fixed and permeabilized with FlowX FoxP3 Fixation & Permeabilization Buffer Kit (Catalog # FC012)
Western Blot
2 µg/mL
Sample: HeLa human cervical epithelial carcinoma cell line and PC‑3 human prostate cancer cell line
Sample: HeLa human cervical epithelial carcinoma cell line and PC‑3 human prostate cancer cell line
Reviewed Applications
Read 1 review rated 5 using MAB6230R in the following applications:
Flow Cytometry Panel Builder
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Save time and reduce costly mistakes by quickly finding compatible reagents using the Panel Builder Tool.
Advanced Features
- Spectra Viewer - Custom analysis of spectra from multiple fluorochromes
- Spillover Popups - Visualize the spectra of individual fluorochromes
- Antigen Density Selector - Match fluorochrome brightness with antigen density
Formulation, Preparation, and Storage
Purification
Protein A or G purified from cell culture supernatant
Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.
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Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Calculators
Background: Twist-1
Long Name
Twist Related Protein 1 [Drosophila]
Alternate Names
ACS3, BPES3, H-twist, Twist1
Gene Symbol
TWIST1
UniProt
Additional Twist-1 Products
Product Documents for Human Twist-1 Antibody (927403R)
Certificate of Analysis
To download a Certificate of Analysis, please enter a lot or batch number in the search box below.
Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Human Twist-1 Antibody (927403R)
For research use only
Customer Reviews for Human Twist-1 Antibody (927403R) (1)
5 out of 5
1 Customer Rating
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Application: Western BlotSample Tested: white adipocytesSpecies: HumanVerified Customer | Posted 09/02/2021white adipocytes
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- 7-Amino Actinomycin D (7-AAD) Cell Viability Flow Cytometry Protocol
- Cellular Response to Hypoxia Protocols
- Extracellular Membrane Flow Cytometry Protocol
- Flow Cytometry Protocol for Cell Surface Markers
- Flow Cytometry Protocol for Staining Membrane Associated Proteins
- Flow Cytometry Staining Protocols
- Flow Cytometry Troubleshooting Guide
- Intracellular Flow Cytometry Protocol Using Alcohol (Methanol)
- Intracellular Flow Cytometry Protocol Using Detergents
- Intracellular Nuclear Staining Flow Cytometry Protocol Using Detergents
- Intracellular Staining Flow Cytometry Protocol Using Alcohol Permeabilization
- Intracellular Staining Flow Cytometry Protocol Using Detergents to Permeabilize Cells
- Propidium Iodide Cell Viability Flow Cytometry Protocol
- Protocol for Liperfluo
- Protocol for the Characterization of Human Th22 Cells
- Protocol for the Characterization of Human Th9 Cells
- Protocol: Annexin V and PI Staining by Flow Cytometry
- Protocol: Annexin V and PI Staining for Apoptosis by Flow Cytometry
- R&D Systems Quality Control Western Blot Protocol
- Troubleshooting Guide: Fluorokine Flow Cytometry Kits
- Troubleshooting Guide: Western Blot Figures
- Western Blot Conditions
- Western Blot Protocol
- Western Blot Protocol for Cell Lysates
- Western Blot Troubleshooting
- Western Blot Troubleshooting Guide
- View all Protocols, Troubleshooting, Illustrated assays and Webinars
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