1. Cell Cycle/DNA Damage
  2. CRISPR/Cas9

CRISPR/Cas9

CRISPR/Cas9 (Clustered Regularly-Interspaced Short Palindromic Repeats/Cas9) is a bacterial immune system that has been adapted for genome editing in mammalian cells. Cas9 is a programmable nuclease that generates double-stranded breaks (DSB) in DNA dictated by binding of a ~20 nucleotide recombinant “guide RNA” (gRNA) to the target site. DSB’s produced by Cas9 are most often repaired through the cell’s error-prone non-homologous end joining (NHEJ) pathway, resulting in small insertions or deletions (indels). The vast majority of indels shift the reading frame, introducing a premature stop codon or resulting in nonsense mediated decay of the mRNA-effectively “knocking out” a gene.

The CRISPR/Cas9 system has substantially advanced efforts in specific gene editing and has been successfully applied to modify the episomal genomes of human and other organisms。 The CRISPR/Cas9 system utilizes a prokaryotic RNA-guided programmable nuclease that can make a double-strand DNA break (DSB) at a specific site under the guidance of a leading RNA。 This DSB process depends on the co-expression of two basic components: a guide RNA (gRNA) and Cas9 nuclease。 Making a specific DSB can trigger DNA repair via either error-prone non-homologous end joining (NHEJ) or homology-directed repair (HDR)。 In the presence of the CRISPR/Cas9 system, the NHEJ inhibitor SCR7 is proven to increase the efficiency of Cas9-mediated HDR by at least by 7-fold in mammalian cells。 Genome editing via CRISPR/Cas9 has become an efficient and reliable way to make precise, targeted changes to the genome of living cells。

CRISPR/Cas9 相关产品 (6):

Cat. No. Product Name Effect Purity
  • HY-16592
    Brefeldin A Activator 99.79%
    Brefeldin A是蛋白质运输 (protein trafficking) 的特异性抑制剂,其阻断蛋白质从内质网向高尔基复合体的转运。
  • HY-13520
    Nocodazole Activator 98.68%
    Nocodazole是快速可逆的 microtubule 抑制剂。 Nocodazole与β-微管蛋白结合并破坏微管组装/拆卸动力学,从而防止有丝分裂并诱导肿瘤细胞凋亡。
  • HY-12742
    SCR7 Agonist 99.75%
    SCR7是具有抗癌活性的DNA连接酶IV抑制剂。
  • HY-11006
    KU-57788 Activator 99.35%
    KU-57788 是一种有效的,选择性的 DNA-PK 抑制剂,IC50 值为 13 nM。
  • HY-17413
    Zidovudine Agonist 99.96%
    Zidovudine 是一种核苷逆转录酶抑制剂 (NRTI),广泛用于治疗 HIV感染。Zidovudine 增强 CRISPR/Cas9调节的编辑频率。
  • HY-19793
    RS-1 Activator 99.42%
    RS-1 是一种 RAD51 的激活剂,同时可增强 CRISPR/Cas9 的活性。
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