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Anti-DCLK1-S

品牌
Sigma-Aldrich
货号
ABC1389
包装型号
规格纯度
from rabbit
参考价格
4513.21 *本价格含增值税费
促销
服务
  • 原厂保证
  • 包邮
  • 增值税票
数量
-+
产品名称:
Anti-DCLK1-S
Serine/threonine-protein kinase DCLK1-S, EC: 2.7.11.1, Doublecortin domain-containing protein 3A-short, Doublecortin-like and CAM kinase-like 1, Doublecortin-like kinase 1, PS41014
产品介绍:

产品说明

一般描述

Serine/threonine-protein kinase DCLK1 (UniProt: O15075; also known as EC: 2.7.11.1, Doublecortin domain-containing protein 3A, Doublecortin-like and CAM kinase-like 1, Doublecortin-like kinase 1) is encoded by the DCLK1 (also known as DCAMKL1, DCDC3A, KIAA0369) gene (Gene ID: 9201) in human. DCLK1 is an integral component of plasma membrane and is highly expressed in fetal brain tissue and is also detectable in lung and liver. DCLK1 expression is reported to be critical for growth of human colon cancer cells and its expression is up-regulated in response to growth factors resulting in hyperproliferation. Both long (L) (~80-82 kDa) and short (S) (~45-50 kDa) isoforms of DCLK1 have been described. The long isoform of DCLK1 contains two N-terminal doublecortin domains, which bind microtubules, a C-terminal serine/threonine kinase domain with homology to CaM kinases, and a middle serine/proline rich domain that mediates protein interactions. The short isoform, DCLK1-S, has been reported in human colorectal cancer cells and in cancer stem cells, while normal colon cells express only the long isoform of DCLK1. The short isoforms lacks the two N-terminal doublecortin domains. Although DCLK1-S differs from the long isoform by only six amino-acids., this mono-specific antibody does not cross-react with the long isoform and is shown to specifically detect cancer stem cells. The short isoform is not a splice variant, but is expressed from an alternate beta promoter in intron V of the gene that results in the presence of the unique sequence of amino acids. These amino acids are absent in the long isoform, which is expressed by the alpha promoter in the 5’ region of the gene. It has been reported that the 5′ (alpha)-promoter of the human DCLK1 gene becomes epigenetically silenced during colon carcinogenesis, resulting in loss of expression of the canonical long isoform in human colorectal adenocarcinomas (hCRCs). Instead, hCRCs express the short isoform, DCLK1-S. Colon tumors and normal colons from mice only express the long isoform, since the epigenetics of colon carcinogenesis in mice is significantly different from that in humans. (Ref.: Sarkar, S et al. (2017). Lab. Invest. doi:10. 1038/labinvest.2017.40; Sarkar, S., et al. (2017). Mol. Cancer Res. doi: 10.1158/1541-7786.MCR-17-0287).

特异性

This rabbit polyclonal antibody detects the short version of Serine/threonine-protein kinase DCLK1 (DCLK1-S). It does not react with long isoforms. It targets an epitope within six amino acids from the N-terminus region.

免疫原

A multimeric scaffold of the 6 amino acids from the N-terminal region of the short version of human DCLK1 (DCLK1-S).

应用

Anti-DCLK1-S, Cat. No. ABC1389, is a rabbit polyclonal antibody that specifically detects the short version of Serine/threonine-protein kinase DCLK1. It has been tested for use in Immunohistochemistry and Western Blotting.
Immunohistochemistry Analysis: A representative lot detected DCLK1-S in Immunohistochemistry applications (Sarkar, S., et. al. (2017). Lab Invest. [Epub ahead of print]).

Western Blotting Analysis: A representative lot detected DCLK1-S in Western Blotting applications (Sarkar, S., et. al. (2017). Lab Invest. [Epub ahead of print]).

质量

Evaluated by Western Blotting in HCT116 cell lysate.

Western Blotting Analysis: A 1:500 dilution of this antibody detected DCLK1-S in 10 µg of HCT116 cell lysate.

目标描述

~55 kDa observed. 47.60 kDa calculated. Uncharacterized bands may be observed in some lysate(s).

外形

Affinity Purified
Format: Purified

其他说明

Concentration: Please refer to lot specific datasheet.

免责声明

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.

基本信息

eCl@ss32160702
NACRESNA.41

产品性质

生物来源rabbit
质量水平100
抗体形式affinity isolated antibody
antibody product typeprimary antibodies
克隆polyclonal
species reactivityhuman
包装antibody small pack of 25 μL
technique(s)immunohistochemistry: suitable
western blot: suitable
同位素/亚型IgG
NCBI登记号NP_001182345
UniProt登记号O15075
运输ambient
Gene Informationhuman ... DCLK1(9201)

Sigma-Aldrich

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