FEATURE

  • Serum Free
  • Stabilized Wnt3a
  • High Activity



Organoid culture

Wnt signaling is known to be involved in early development, maintenance and regeneration of stem cells, and in cancer formation. Wnt signaling has also been found to play an important role in the growth and maintenance of these processes. In particular, Wnt3a has been revealed to be an essential niche component for maintaining the proliferation of Lgr5-positive stem cells in intestinal epithelial cells and is used for the production of various digestive organoids such as the small intestine, large intestine, stomach, pancreas and liver. Although Wnt3a has been conventionally used for the culture of gut organoids, it is a fat-soluble protein, so it forms aggregates in serum-free medium and can not exert its activity sufficiently. In 2016, Mihara et al. found that high Wnt3a activity can be maintained by forming a complex with Wnt3a by Afamin, which is one of the components of serum. In addition, by using Afamin and Wnt3a complex for organoid culture, long-term culture of organoid becomes possible. This new medium will result in optimal success for your organoid experiments.

 

 
◆VISTA [B7-H5]&受体
VISTA——PSGL-1的酸性pH选择性抗体
● VISTA是与PD-L1同源的新型负检查点调节剂,可有效抑制T细胞活化。
● 在白细胞上表达的P-选择素糖蛋白配体-1(PSGL-1)是免疫检查点VISTA的新受体。
● VISTA在pH 6.4环境下与PSGL-1结合,而在pH 7.4环境下不结合。
● VISTA与PSGL-1的相互作用表明,免疫应答可受肿瘤中酸性环境的调节。

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