TIGIT directed human antibody modulates T-regulatory and effector cell function

Date:2019年

作者:Alyson J. Smith, Weiping Zeng, Bryan Grogan, Jane Haass, Amber Blackmarr, Robert Thurman, Scott Peterson, Shyra J. Gardai Research Department, Seattle Genetics Inc., Bothell, WA

AACR 2019.

Labcorp在他们在2019年AACR 2019年会议上提供的西雅图根本海报中提到。在“SGN-TIGIT”下表现出强烈的抗肿瘤疗效“数字:

“CT26中的SGN-TIGIT治疗和A20同系模型分别治愈了50%和33%的动物。SGN-TIGIT在MC38,E0771,EMT6和替代CT26模型,由Covance经营,导致部分反应(PR),视为肿瘤生长延迟。“

POSTER | Seattle Genetics: TIGIT Directed Human Antibody Modulates T-regulatory and Effector Cell Function (PDF)


介绍和背景

  • TIGIT通过结合CD155和CD112来抑制T和NK细胞功能,这在肿瘤细胞上上调
  • SGN-TIGIT是完全的人体抗TIGIT单子酰胺(MAB),其对人,鼠和胞质疣的等效亲和力并阻断TIGIT LIG和结合
  • SGN-TIGIT mediates ADCC top referentially deplete Tregsinex-vivo PBMC cultures
  • SGN-TIGIT放大Naïve和记忆CD8 T细胞反应
  • SGN-TIGIT可以导致几种临床前模型中的疗中单剂抗肿瘤反应,尽管其MOA与PD-(L)1不同yaboapp体育官网
  • Models enriched for activated and/or memory CD8 T cell transcripts were positively correlated with curative response

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