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Sigma-Aldrich

Anti-TAL-1 Antibody, clone BTL73

clone BTL73, Upstate®, from mouse

Synonym(s):

SCL, T-cell acute lymphocytic leukemia 1, TCL5, TAL-1, Stem cell protein

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About This Item

UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41

biological source

mouse

Quality Level

antibody form

purified antibody

antibody product type

primary antibodies

clone

BTL73, monoclonal

purified by

affinity chromatography

species reactivity

human

manufacturer/tradename

Upstate®

technique(s)

immunohistochemistry: suitable
western blot: suitable

isotype

IgG1κ

NCBI accession no.

UniProt accession no.

shipped in

wet ice

Gene Information

human ... TAL1(6886)

General description

TAL-1, also known as SCL (stem cell leukemia), is a serine phosphoprotein and basic-helix-loop-helix transcription factor. TAL-1 is implicated in the genesis of hemopoietic malignancies and is a positive regulator of erythroid differentiation. A nonrandom, site-specific TAL-1 chromosomal translocation is commonly associated with oncogenic transformation in many T-cell acute lymphoblastic leukemias. TAL-1 binds to the LIM domain containing protein Rhombotin 2 (RBTN2), where it forms a complex with GATA1 or GATA 2 that is essential for erythropoiesis.

Specificity

This antibody detects two predominant protein products of the SCL/TAL1 gene in T cell acute lymphoblastic leukemia (T-ALL): a full length PP42-TAL1 (42/44 kDa) and a truncated form PP24-TAL1 (24/26 kDa).

Immunogen

Epitope: C-Terminus
Recombinant GST-TAL1 (K Pulford, et al., 1995, Blood, 85: 675 - 684)

Application

Research Category
Epigenetics & Nuclear Function
Research Sub Category
Transcription Factors
Use Anti-TAL-1 Antibody, clone BTL73 (Mouse Monoclonal Antibody) validated in WB, IHC to detect TAL-1 also known as SCL, T-cell acute lymphocytic leukemia 1, TCL5, TAL-1, Stem cell protein.
Western Blot Analysis: 2 μg/mL of this lot detected a strong 44 kDa of PP42-TAL1 in Jurkat cell lysate, and also very faint PP24-TAL. Optimal working dilutions must be determined by the end user.

Quality

Routinely evaluated by western blot on Jurkat cell lysate.

Target description

44 kDa

Physical form

Protein G Purified
Purified mouse monoclonal IgG1k in buffer containing PBS and 0.05% sodium azide.

Storage and Stability

Stable for 1 year at 2-8°C from date of receipt. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance.

Analysis Note

Control
Jurkat cell lysate

Other Notes

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

Legal Information

UPSTATE is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

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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Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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A 3-bp deletion in the HBS1L-MYB intergenic region on chromosome 6q23 is associated with HbF expression.
Farrell, JJ; Sherva, RM; Chen, ZY; Luo, HY; Chu, BF; Ha, SY; Li, CK; Lee, AC; Li, RC; Li et al.
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Mina Noura et al.
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TAL1 is one of the most frequently dysregulated genes in T-ALL and is overexpressed in about 50% of T-ALL cases. One of the molecular mechanisms of TAL1 overexpression is abnormal mutations in the upstream region of the TAL1 promoter that
Riadh Lobbardi et al.
Cancer discovery, 7(11), 1336-1353 (2017-10-05)
T-cell acute lymphoblastic leukemia (T-ALL) is an aggressive malignancy of thymocytes. Using a transgenic screen in zebrafish, thymocyte selection-associated high mobility group box protein (TOX) was uncovered as a collaborating oncogenic driver that accelerated T-ALL onset by expanding the initiating
Charlotte Smith et al.
Haematologica (2023-01-13)
T-cell acute lymphocytic leukemia protein 1 (TAL1) is one of the most frequently deregulated oncogenes in T-cell acute lymphoblastic leukemia (T-ALL). Its deregulation can occur through diverse in cis-alterations, including SIL-TAL1 microdeletions, translocations with Tcell Receptor (TCR) loci and, more
Mark A Gillespie et al.
Molecular cell, 78(5), 960-974 (2020-04-25)
Dynamic cellular processes such as differentiation are driven by changes in the abundances of transcription factors (TFs). However, despite years of studies, our knowledge about the protein copy number of TFs in the nucleus is limited. Here, by determining the

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