Date published: 2026-3-17

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Islet-1 Antibody (B-1): sc-390793

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Datasheets
  • Islet-1 Antibody (B-1) is a mouse monoclonal IgG1 κ Islet-1 antibody, cited in 8 publications, provided at 200 µg/ml
  • specific for an epitope mapping between amino acids 244-282 of Islet-1 of human origin
  • Islet-1 Antibody (B-1) is recommended for detection of Islet-1 of mouse, rat, human and origin by WB, IP, IF and ELISA; also reactive with additional species, including and equine, canine, bovine, porcine and avian
  • TransCruz reagent for ChIP application (sc-390793 X, 200 µg/0.1 ml)
  • Anti-Islet-1 Antibody (B-1) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • m-IgG Fc BP-HRP, m-IgG1 BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for Islet-1 Antibody (B-1) for WB applications. These reagents are now offered in bundles with Islet-1 Antibody (B-1) (see ordering information below).
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Islet-1 Antibody (B-1) is a mouse monoclonal IgG1 kappa light chain antibody that detects Islet-1 protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). anti-Islet-1 antibody (B-1) is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates. Islet-1 protein, also known as ISL LIM Homeobox 1, plays a crucial role in pancreatic islets of Langerhans development and is essential for motor neuron differentiation in the neural tube. Islet-1 influences embryonic development and organogenesis, particularly in heart and pancreas, where Islet-1 helps define cardiac progenitor cell populations and is necessary for normal cardiac development and asymmetry. Islet-1 is involved in patterning developing mouse teeth by activating Bmp4 expression in specific areas, demonstrating importance in both developmental biology and potential implications in regenerative medicine. Islet-1 interaction with other transcription factors and signaling pathways further underscores significance in cellular differentiation and organ development, making Islet-1 (B-1) monoclonal antibody an invaluable tool for researchers studying these critical biological processes.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

Islet-1 Antibody (B-1) References:

  1. Role of Islet1 in the patterning of murine dentition.  |  Mitsiadis, TA., et al. 2003. Development. 130: 4451-60. PMID: 12900460
  2. Isl1 identifies a cardiac progenitor population that proliferates prior to differentiation and contributes a majority of cells to the heart.  |  Cai, CL., et al. 2003. Dev Cell. 5: 877-89. PMID: 14667410
  3. Involvement of Islet-2 in the Slit signaling for axonal branching and defasciculation of the sensory neurons in embryonic zebrafish.  |  Yeo, SY., et al. 2004. Mech Dev. 121: 315-24. PMID: 15110042
  4. Magnitude of binocular vision controlled by islet-2 repression of a genetic program that specifies laterality of retinal axon pathfinding.  |  Pak, W., et al. 2004. Cell. 119: 567-78. PMID: 15537545
  5. Islet-1 is required for the maturation, proliferation, and survival of the endocrine pancreas.  |  Du, A., et al. 2009. Diabetes. 58: 2059-69. PMID: 19502415
  6. Islet-1 expression in thoracic spinal motor neurons in prenatal mouse.  |  Kobayashi, M., et al. 2011. Int J Dev Neurosci. 29: 749-56. PMID: 21651972
  7. SSBP3 Interacts With Islet-1 and Ldb1 to Impact Pancreatic β-Cell Target Genes.  |  Galloway, JR., et al. 2015. Mol Endocrinol. 29: 1774-86. PMID: 26495868
  8. Heterogeneous Origin of Gonadotropin Releasing Hormone-1 Neurons in Mouse Embryos Detected by Islet-1/2 Expression.  |  Shan, Y., et al. 2020. Front Cell Dev Biol. 8: 35. PMID: 32083082
  9. The Impact of Spaceflight and Microgravity on the Human Islet-1+ Cardiovascular Progenitor Cell Transcriptome.  |  Camberos, V., et al. 2021. Int J Mol Sci. 22: PMID: 33808224
  10. The LIM domain homeobox gene isl-1: conservation of human, hamster, and rat complementary deoxyribonucleic acid sequences and expression in cell types of nonneuroendocrine lineage.  |  Wang, M. and Drucker, DJ. 1994. Endocrinology. 134: 1416-22. PMID: 7907017
  11. Isolation of the human LIM/homeodomain gene islet-1 and identification of a simple sequence repeat polymorphism [corrected].  |  Tanizawa, Y., et al. 1994. Diabetes. 43: 935-41. PMID: 7912209
  12. Requirement for LIM homeobox gene Isl1 in motor neuron generation reveals a motor neuron-dependent step in interneuron differentiation.  |  Pfaff, SL., et al. 1996. Cell. 84: 309-20. PMID: 8565076

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Islet-1 Antibody (B-1)

sc-390793
200 µg/ml
$322.00

Islet-1 Antibody (B-1): m-IgG Fc BP-HRP Bundle

sc-530265
200 µg Ab; 10 µg BP
$361.00

Islet-1 Antibody (B-1): m-IgGκ BP-HRP Bundle

sc-523686
200 µg Ab, 40 µg BP
$361.00

Islet-1 Antibody (B-1): m-IgG1 BP-HRP Bundle

sc-543964
200 µg Ab; 20 µg BP
$361.00

Islet-1 Antibody (B-1) X

sc-390793 X
200 µg/0.1 ml
$322.00

Islet-1 Antibody (B-1) AC

sc-390793 AC
500 µg/ml, 25% agarose
$424.00

Islet-1 Antibody (B-1) HRP

sc-390793 HRP
200 µg/ml
$322.00

Islet-1 Antibody (B-1) FITC

sc-390793 FITC
200 µg/ml
$336.00

Islet-1 Antibody (B-1) PE

sc-390793 PE
200 µg/ml
$349.00

Islet-1 Antibody (B-1) Alexa Fluor® 488

sc-390793 AF488
200 µg/ml
$364.00

Islet-1 Antibody (B-1) Alexa Fluor® 546

sc-390793 AF546
200 µg/ml
$364.00

Islet-1 Antibody (B-1) Alexa Fluor® 594

sc-390793 AF594
200 µg/ml
$364.00

Islet-1 Antibody (B-1) Alexa Fluor® 647

sc-390793 AF647
200 µg/ml
$364.00

Islet-1 Antibody (B-1) Alexa Fluor® 680

sc-390793 AF680
200 µg/ml
$364.00

Islet-1 Antibody (B-1) Alexa Fluor® 790

sc-390793 AF790
200 µg/ml
$364.00

Islet-1 (B-1) Neutralizing Peptide

sc-390793 P
100 µg/0.5 ml
$69.00

Hello, Is sc-390793 appropriate for ICC, IHC application? If so, would this work well with neural cells harvested from mouse?

Asked by: George123
Thank you for your question. Islet-1 Antibody (B-1): sc-390793 is recommended for IF, or immunofluorescent staining of fresh or frozen tissues or cells fixed in acetone or methanol. This antibody has not yet been tested on formalin-fixed paraffin-embedded tissue sections or for IHC(P). This antibody is recommended for detection of mouse Islet-1, however, we have not specifically tested the antibody on mouse neural cells. For a limited time, we are offering a free 10 µg sample of this antibody. Please contact our Technical Service Department if you would like to test a sample. Please call us toll-free at (800) 457-3801 option 2, email scbt@scbt.com, or use our live chat.
Answered by: Technical Support
Date published: 2017-02-27

What application is the blocking peptide sc-390793 P appropriate for?

Asked by: DefinitelyNotMatt
Thank you for your question. The blocking peptide is intended for use as a negative control, by pre-adsorbing the mouse monoclonal antibody against the antigen. For full protocol details, please contact our Technical Services Department or view our online protocol here: https://www.scbt.com/scbt/resources/protocols/peptide-neutralization
Answered by: Technical Support
Date published: 2017-02-24
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Rated 4 out of 5 by from GoodI used this antibody in IF on human ipsc-derived motoneurons and it provides a specific signal labeling cell nuclei.
Date published: 2022-06-15
Rated 4 out of 5 by from Good antibodyI used it in IF on human cells at 1:100 obtaining a strong and specific signal.
Date published: 2022-06-06
Rated 5 out of 5 by from excellentthe antibody worked perfectly on rat tissue samples in western blot
Date published: 2017-12-13
Rated 5 out of 5 by from GreatI got a sample a month back and it works great for us
Date published: 2017-10-12
Rated 5 out of 5 by from Very good labeling of numerous cell nucleiVery good labeling of numerous cell nuclei in the ventricular regions of the intact brain
Date published: 2017-02-13
Rated 5 out of 5 by from Excellent antibody for WBThe Islet-1 Antibody (B-1): sc-390793 provides great Western blot data, showing clear band with minimal background.
Date published: 2017-01-17
Rated 3 out of 5 by from Normal resultWe test this antibody in human fibroblast sample and in cybrid lines for WB, we can observe different bands in the detection
Date published: 2017-01-10
Rated 1 out of 5 by from does not work on macaque tissueantibody did not detect Islet-1 in paraffin embedded macaque retina tissue when used at a dilution of 1:50 ON
Date published: 2016-12-20
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Islet-1 Antibody (B-1) is rated 4.1 out of 5 by 9.
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