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CTCF (D31H2) XP® Rabbit mAb
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CTCF (D31H2) XP® Rabbit mAb

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品牌: CST
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分子量:
140
反应种属:
Human,Mouse,Rat,Monkey,
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产品介绍
产品介绍
产品信息
荧光素标记
抗原名称
CTCF
来源纯化

Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to the carboxy terminus of the human CTCF protein.

宿主
Rabbit
商品描述

Product Usage Information

For optimal ChIP or ChIP-seq results, use 10 μl of antibody and 10 μg of chromatin (approximately 4 x 106 cells) per IP. This antibody has been validated using SimpleChIP® Enzymatic Chromatin IP Kits.



The CUT&RUN dilution was determined using CUT&RUN Assay Kit #86652.



The CUT&Tag dilution was determined using CUT&Tag Assay Kit #77552.



ApplicationDilution
Western Blotting1:1000
Immunoprecipitation1:50
Immunohistochemistry (Paraffin)1:640 - 1:2560
Immunofluorescence (Frozen)1:200 - 1:800
Immunofluorescence (Immunocytochemistry)1:400 - 1:1600
Chromatin IP1:50
Chromatin IP-seq1:50
CUT&RUN1:50
CUT&Tag1:50
同种型
Rabbit IgG
分子量
140
内毒素水平
牛 , 马
研究领域
癌症,发育生物学与干细胞研究,表观遗传学,神经科学,
应用
反应种属
Human,Mouse,Rat,Monkey,
预测反应种属
Bovine,Horse
目标/特异性

Specificity/Sensitivity

CTCF (D31H2) XP Rabbit mAb detects endogenous levels of total CTCF protein. This antibody does not cross-react with BORIS. This antibody nonspecifically labels the lamina propria of small intestine in fixed frozen mouse tissue by immunofluorescence.

Species Reactivity:

Human, Mouse, Rat, Monkey

敏感性
Endogenous
背景
背景
CCCTC-binding factor (CTCF) and its paralog, the Brother of the Regulator of Imprinted Sites (BORIS), are highly conserved transcription factors that regulate transcriptional activation and repression, insulator function, and imprinting control regions (ICRs) (1-4). Although they have divergent amino and carboxy termini, both proteins contain 11 conserved zinc finger domains that work in combination to bind the same DNA elements (1). CTCF is ubiquitously expressed and contributes to transcriptional regulation of cell-growth regulated genes, including c-Myc, p19/ARF, p16/INK4A, BRCA1, p53, p27, E2F1, and TERT (1). CTCF also binds to and is required for the enhancer-blocking activity of all known insulator elements and ICRs, including the H19/IgF2, Prader-Willi/Angelman syndrome, and Inactive X-Specific Transcript (XIST) anti-sense loci (5-7). CTCF DNA-binding is sensitive to DNA methylation, a mark that determines selection of the imprinted allele (maternal vs. paternal) (1). The various functions of CTCF are regulated by at least two different post-translational modifications. Poly(ADP-ribosyl)ation of CTCF is required for insulator function (8). Phosphorylation of Ser612 by protein kinase CK2 facilitates a switch of CTCF from a transcriptional repressor to an activator at the c-Myc promoter (9). CTCF mutations or deletions have been found in many breast, prostate, and Wilms' tumors (10,11). Expression of BORIS is restricted to spermatocytes and is mutually exclusive of CTCF (3). In cells expressing BORIS, promoters of X-linked cancer-testis antigens like MAGE-A1 are demethylated and activated, but methylated and inactive in CTCF-expressing somatic cells (12). Like other testis specific proteins, BORIS is abnormally expressed in different cancers, such as breast cancer, and has a greater affinity than CTCF for DNA-binding sites, detracting from CTCF’s potential tumor suppressing activity (1,3,13,14). 1.Klenova, E.M. et al. (2002) Semin Cancer Biol 12, 399-414. 2.Klenova, E.M. et al. (1993) Mol Cell Biol 13, 7612-24. 3.Loukinov, D.I. et al. (2002) Proc Natl Acad Sci USA 99, 6806-11. 4.Mukhopadhyay, R. et al. (2004) Genome Res 14, 1594-602. 5.Hark, A.T. et al. (2000) Nature 405, 486-9. 6.Ohta, T. et al. (1999) Am J Hum Genet 64, 397-413. 7.Chao, W. et al. (2002) Science 295, 345-7. 8.Yu, W. et al. (2004) Nat Genet 36, 1105-10. 9.El-Kady, A. and Klenova, E. (2005) FEBS Lett 579, 1424-34. 10.Filippova, G.N. et al. (1998) Genes Chromosomes Cancer 22, 26-36. 11.Filippova, G.N. et al. (2002) Cancer Res 62, 48-52. 12.Vatolin, S. et al. (2005) Cancer Res 65, 7751-62. 13.Hong, J.A. et al. (2005) Cancer Res 65, 7763-74. 14.D'Arcy, V. et al. (2008) Br J Cancer 98, 571-9.
研究领域
癌症,发育生物学与干细胞研究,表观遗传学,神经科学,
翻译后修饰
unmodified
制备和贮存
保存方式

Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.

For a carrier free (BSA and azide free) version of this product see product #48859.

数据库链接
Entrez-Gene ID
10664
UniProt ID
P49711

参考图片

CUT&Tag was performed with HCT 116 cells and CTCF (D31H2) XP® Rabbit mAb, using CUT&Tag Assay Kit #77552. DNA library was prepared using CUT&Tag Dual Index Primers and PCR Master Mix for Illumina Systems #47415. The figures show binding across chromosome 8 (upper), including MYC (lower), a known target gene of CTCF (see our ChIP-qPCR figure).

Western blot analysis of extracts from various cell lines using CTCF (D31H2) XP® Rabbit mAb.

Immunohistochemical analysis of paraffin-embedded human breast carcinoma using CTCF (D31H2) XP® Rabbit mAb in the presence of control peptide (left) or antigen-specific peptide (right).

Immunohistochemical analysis of paraffin-embedded human colon carcinoma using CTCF (D31H2) XP® Rabbit mAb.

Immunohistochemical analysis of paraffin-embedded human lymphoma using CTCF (D31H2) XP® Rabbit mAb.

Confocal immunofluorescent analysis of HCT-116 cells using CTCF (D31H2) XP® Rabbit mAb (green). Actin filaments were labeled with DY-554 phalloidin (red).

Chromatin immunoprecipitations were performed with cross-linked chromatin from Hela cells and CTCF (D31H2) XP® Rabbit mAb, using SimpleChIP® Enzymatic Chromatin IP Kit (Magnetic Beads) #9003. DNA Libraries were prepared using DNA Library Prep Kit for Illumina® (ChIP-seq, CUT&RUN) #56795. The figure shows binding across H19, a known target gene of CTCF (see additional figure containing ChIP-qPCR data). For additional ChIP-seq tracks, please download the product data sheet.

Chromatin immunoprecipitations were performed with cross-linked chromatin from Hela cells and CTCF (D31H2) XP® Rabbit mAb, using SimpleChIP® Enzymatic Chromatin IP Kit (Magnetic Beads) #9003. DNA Libraries were prepared using DNA Library Prep Kit for Illumina® (ChIP-seq, CUT&RUN) #56795. The figure shows binding across chromosome 11 (upper), including H19 (lower), a known target gene of CTCF (see additional figure containing ChIP-qPCR data).

Chromatin immunoprecipitations were performed with cross-linked chromatin from HeLa cells, with either CTCF (D31H2) XP® Rabbit mAb or Normal Rabbit IgG #2729, using SimpleChIP® Enzymatic Chromatin IP Kit (Magnetic Beads) #9003. The enriched DNA was quantified by real-time PCR using human c-Myc promoter primers, SimpleChIP® Human H19/Igf2 ICR Primers #5172, and SimpleChIP® Human α Satellite Repeat Primers #4486. The amount of immunoprecipitated DNA in each sample is represented as signal relative to the total amount of input chromatin, which is equivalent to one.

CUT&RUN was performed with HCT 116 cells and CTCF (D31H2) XP® Rabbit mAb #3418, using CUT&RUN Assay Kit #86652. DNA Libraries were prepared using DNA Library Prep Kit for Illumina® (ChIP-seq, CUT&RUN) #56795. The figure shows binding across MYC, a known target gene of CTCF (see additional figure containing CUT&RUN-qPCR data).

CUT&RUN was performed with HCT 116 cells and CTCF (D31H2) XP® Rabbit mAb #3418, using CUT&RUN Assay Kit #86652. DNA Libraries were prepared using DNA Library Prep Kit for Illumina® (ChIP-seq, CUT&RUN) #56795. The figures show binding across chromosome 8 (upper), including MYC (lower), a known target gene of CTCF (see additional figure containing CUT&RUN-qPCR data).

CUT&RUN was performed with HCT 116 cells and CTCF (D31H2) XP® Rabbit mAb or Rabbit (DA1E) mAb IgG XP® Isotype Control (CUT & RUN) #66362, using CUT&RUN Assay Kit #86652. The enriched DNA was quantified by real-time PCR using human c-Myc promoter primers, SimpleChIP® Human H19/Igf2 ICR Primers #5172, and SimpleChIP® Human α Satellite Repeat Primers #4486. The amount of immunoprecipitated DNA in each sample is represented as signal relative to the total amount of input chromatin, which is equivalent to one.

CUT&Tag was performed with HCT 116 cells and CTCF (D31H2) XP® Rabbit mAb, using CUT&Tag Assay Kit #77552. DNA library was prepared using CUT&Tag Dual Index Primers and PCR Master Mix for Illumina Systems #47415. The figure shows binding across MYC, a known target gene of CTCF (see our ChIP-qPCR figure).

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货号:
3418T
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