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Merck

T1948

Sigma-Aldrich

Anti-TRF1 antibody, Mouse monoclonal

~2 mg/mL, clone TRF-78, purified from hybridoma cell culture

Sinónimos:

Anti-Telomeric Repeat Binding Factor 1

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About This Item

Número MDL:
Código UNSPSC:
12352203
NACRES:
NA.41

origen biológico

mouse

Nivel de calidad

conjugado

unconjugated

forma del anticuerpo

purified from hybridoma cell culture

tipo de anticuerpo

primary antibodies

clon

TRF-78, monoclonal

Formulario

buffered aqueous solution

mol peso

antigen ~70 kDa by SDS-PAGE

reactividad de especies

human

envase

antibody small pack of 25 μL

concentración

~2 mg/mL

técnicas

indirect ELISA: suitable
microarray: suitable
western blot: 2-4 μg/mL using HeLa nuclear extract

isotipo

IgG1

Nº de acceso UniProt

Condiciones de envío

dry ice

temp. de almacenamiento

−20°C

modificación del objetivo postraduccional

unmodified

Información sobre el gen

human ... TERF1(7013)

Descripción general

Monoclonal Anti-TRF1 (mouse IgG1 isotype) is derived from the TRF-78 hybridoma produced by the fusion of mouse myeloma cells and splenocytes from mice immunized with a human TRF1 protein produced in baculovirus. TRF1 and TRF2 (TTAGGG repeat binding factors) are two major proteins that bind to human telomers. TRF1 has a DNA binding domain with high homology to the Myb family of transcription factors. Unlike the Myb family that contains only one DNA binding motif, TRF1 has multiple of this motif.

Especificidad

Monoclonal Anti-TRF1 recognizes human TRF1.

Inmunógeno

human TRF1 protein produced in baculovirus.

Aplicación

Monoclonal Anti-TRF1 antibody produced in mouse has been used in Western blotting and enzyme linked immunosorbent assay (ELISA).

Acciones bioquímicas o fisiológicas

TRF1 (TTAGGG repeat binding factor 1) has a negative effect on the length of the telomer. Overexpression of TRF1 in cancer cells that contain telomerase activity, causes the shortening of the length of their telomers. While inhibition of TRF1 causes the elongation of telomers. It was shown that the level of TRF1 in the cells does not affect the expression of the telomerase protein. This suggests that TRF1 may act directly on the activity of the telomerase protein. Tankyrase is a protein that interacts with TRF1 and its C-terminal region is homologous to poly (adenosine dinucleotide phosphate (ADP)-ribose) polymerase (PARP). In response to DNA damage, the PARP protein mediates ADP-ribose polymers of protein acceptors. In vitro studies have shown that tankyrase is responsible for that polyribosylation of TRF1, which in turn abolishes its ability to bind telomers.

Forma física

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

Cláusula de descargo de responsabilidad

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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Código de clase de almacenamiento

10 - Combustible liquids

Clase de riesgo para el agua (WGK)

WGK 2


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Tankyrase promotes telomere elongation in human cells
Smith S and de Lange T
Current Biology, 10(20), 1299-1302 (2000)
Protection of mammalian telomeres
de Lange T
Oncogene, 21(4), 532-532 (2002)
Xinyu Ci et al.
Oncotarget, 6(35), 38079-38092 (2015-10-17)
Bortezomib inhibits the ubiquitin/proteasome pathway to achieve its anti-cancer effect and its well characterized activity is the NF-κB inhibition through which the anti-apoptotic bcl-2 expression is down-regulated and apoptosis is subsequently induced. However, the downstream molecular targets of bortezomib are
Tabish Hussain et al.
Scientific reports, 7(1), 11541-11541 (2017-09-16)
We observed extra-telomeric binding of the telomere repeat binding factor TRF2 within the promoter of the cyclin-dependent kinase CDKNIA (p21/CIP1/WAF1). This result in TRF2 induced transcription repression of p21. Interestingly, p21 repression was through engagement of the REST-coREST-LSD1-repressor complex and
Bortezomib-mediated down-regulation of telomerase and disruption of telomere homeostasis contributes to apoptosis of malignant cells
Ci X, et al.
Oncotarget, 6(35), 38079-38079 (2015)

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