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Key Documents

SAB4200581

Sigma-Aldrich

Anti-Msi-1 (N-terminal) antibody produced in rabbit

~1.0 mg/mL, affinity isolated antibody

Synonyme(s) :

Anti-MSI1, Anti-MSI1H, Anti-MUSASHI 1, Anti-m-Msi-1

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About This Item

Code UNSPSC :
12352203

Source biologique

rabbit

Conjugué

unconjugated

Forme d'anticorps

affinity isolated antibody

Type de produit anticorps

primary antibodies

Clone

polyclonal

Forme

buffered aqueous solution

Poids mol.

~39 kDa

Espèces réactives

rat, human

Concentration

~1.0 mg/mL

Technique(s)

immunoblotting: 1-2 μg/mL using extracts of SH-SY5Y cells.
immunohistochemistry: 10-20 μg/mL using formalin-fixed, paraffin-embedded rat cerebellum.
indirect immunofluorescence: 5-10 μg/mL using HeLa cells.

Numéro d'accès UniProt

Conditions d'expédition

dry ice

Température de stockage

−20°C

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

human ... MSI1(4440)
mouse ... Msi1(17690)
rat ... Msi1(259272)

Description générale

Musashi-1 (MSI1) gene is mapped to human chromosome 12q24. Msi-1 is highly expressed in neural stem/progenitor cells (NS/PCs).

Immunogène

Synthetic peptide corresponding to an N-terminal sequence of human Msi-1, conjugated to KLH. The corresponding sequence is identical in rat and mouse Msi-1.

Application

Anti-Msi-1 (N-terminal) antibody produced in rabbit has been used in:
  • immunoblotting
  • immunofluorescence
  • immunohistochemistry

Actions biochimiques/physiologiques

Musashi-1 (Msi-1) is a neural RNA-binding protein that regulate translation of target mRNAs. Msi-1 binds to the 3′-untranslated region (UTR) of its target mRNAs in neural stem/progenitor cells (NS/PCs), repressing their translation, and interfering with NS/PC differentiation thus maintaining NP/PCs in the undifferentiated state. It is associated with maintenance and asymmetric cell division of neural stem cells. Loss of Msi-1 function disrupts the balance between germ-line stem cell renewal and differentiation, causing premature differentiation. Msi-1 has been shown to regulate the Notch and Wnt signaling pathway. Upregulation of Msi-1 augments Notch signaling, via translational repression of the Notch signaling antagonist m-Numb, thereby inhibiting the differentiation of neural stem cells into neurons. Expression of Msi1- has been detected in several human cancers including brain tumors, suggesting its role in oncogenic development.

Forme physique

Solution in 0.01 M phos­phate buffered saline, pH 7.4, containing 15 mM sodium azide.

Clause de non-responsabilité

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Code de la classe de stockage

10 - Combustible liquids

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

Musashi1: an evolutionally conserved marker for CNS progenitor cells including neural stem cells
Kaneko Y, et al.
Developmental Neuroscience, 22(1-2), 139-139 (2000)
The RNA-binding protein Musashi1 affects medulloblastoma growth via a network of cancer-related genes and is an indicator of poor prognosis
Vo DT, et al.
The American Journal of Pathology, 181(5), 1762-1772 (2012)
RNA-binding protein Musashi family: roles for CNS stem cells and a subpopulation of ependymal cells revealed by targeted disruption and antisense ablation
Sakakibara S, et al.
Proceedings of the National Academy of Sciences of the USA, 99(23), 15194-15199 (2002)
The neural RNA-binding protein Musashi1 translationally regulates mammalian numb gene expression by interacting with its mRNA
Imai T, et al.
Molecular and Cellular Biology, 21(12), 3888-3900 (2001)
Chromosome 12q24.31-q24.33 deletion causes multiple dysmorphic features and developmental delay: First mosaic patient and overview of the phenotype related to 12q24qter defects
Al-Zahrani J, et al.
Molecular Cytogenetics, 4(1), 9-9 (2011)

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