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大鼠 CD82/KAI-1 基因ORF全长cDNA克隆(表达载体), C-HA 标签

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Rat CD82 cDNA Clone产品信息
NCBI注册码:NM_031797.2
参考序列ORF长度:801bp
cDNA基因描述:Full length Clone DNA of Rattus norvegicus Cd82 molecule with C terminal HA tag.
分子别称:Kai1, Cd82
分子种属:Rat
载体:pCMV3-C-HA
质粒:
限制性酶切位点:
Tag序列:HA Tag Sequence: TATCCTTACGACGTGCCTGACTACGCC
序列信息:
测序引物:T7(TAATACGACTCACTATAGGG) BGH(TAGAAGGCACAGTCGAGG)
启动子:Enhanced CMV mammalian cell promoter
Application:Stable or Transient mammalian expression
抗生素(大肠杆菌):Kanamycin
抗生素(哺乳动物细胞):Hygromycin
运输方式:Each tube contains lyophilized plasmid.
储存方法:The lyophilized plasmid can be stored at room temperature for three months.
HA Tag Info

Human influenza hemagglutinin (HA) is a surface glycoprotein required for the infectivity of the human virus. The HA tag is derived from the HA-molecule corresponding to amino acids 98-106 has been extensively used as a general epitope tag in expression vectors. Many recombinant proteins have been engineered to express the HA tag, which does not appear to interfere with the bioactivity or the biodistribution of the recombinant protein. This tag facilitates the detection, isolation, and purification of the proteins.

The actual HA tag is as follows: 5' TAC CCA TAC GAT GTT CCA GAT TAC GCT 3' or 5' TAT CCA TAT GAT GTT CCA GAT TAT GCT 3' The amino acid sequence is: YPYDVPDYA.

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研究背景

CD82, also known as KAI-1, structurally belongs to tetraspanin family while categorised as metastasis suppressor gene on functional grounds. KAI1/CD82 is localized on cell membrane and form interactions with other tetraspanins, integrins and chemokines which are respectively responsible for cell migration, adhesion and signalling. Downregulation of CD82 expression is associated with the advanced stages of many human cancers and correlates with the acquisition of metastatic potential. Recent studies suggest that complex mechanisms underlie CD82 loss of function, including altered transcriptional regulation, splice variant production and post-translational protein modifications, and indicate a central role for CD82 in controlling metastasis as a 'molecular facilitator'. The loss of KAI1/CD82 expression in invasive and metastatic cancers is due to a complex, epigenetic mechanism that probably involves transcription factors such as NFkappaB, p53, and beta-catenin. A loss of KAI1 expression is also associated with the advanced stages of many human malignancies and results in the acquisition of invasive and metastatic capabilities by tumour cells. Thus, KAI1/CD82 is regarded as a wide-spectrum tumor metastasis suppressor.

参考资料
  • Malik FA, et al. (2009) KAI-1/CD82, the molecule and clinical implication in cancer and cancer metastasis. Histol Histopathol. 24(4): 519-30.
  • Liu WM, et al. (2006) KAI1/CD82, a tumor metastasis suppressor. Cancer Lett. 240(2): 183-94.
  • Tonoli H, et al. (2006) CD82 metastasis suppressor gene: a potential target for new therapeutics? Trends Mol Med. 11(12): 563-70.
  • Jackson P, et al. (2005) KAI1 tetraspanin and metastasis suppressor. Int J Biochem Cell Biol. 37(3): 530-4.
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    货号: RG80332-CY
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