
PT101(PT101) - 药物靶点:IL-2_在研适应症:系统性红斑狼疮, …
PT101: 一种IL-2调节剂药物,由Merck & Co., Inc. (Merck & Co., Inc.)公司最早进行研发,目前全球最高研发状态为临床2期,作用机制: IL-2调节剂(白细胞介素-2调节剂),治疗领域: 免疫系统疾病,皮肤和肌肉骨骼疾病,其他疾病,在研适应症: 系统性红斑狼疮,非节段型白癜风 ...
Merck to Acquire Pandion Therapeutics
2021年2月25日 · Pandion is advancing a pipeline of precision immune modulators targeting critical immune control nodes. The company’s lead candidate, PT101, is an engineered IL-2 mutein fused to a protein backbone designed to selectively activate and expand regulatory T cells (Tregs) for the potential treatment of ulcerative colitis and other autoimmune ...
Generation of PT101, a highly selective IL-2 mutein for treatment …
2021年5月1日 · PT101 selectively induced STAT5 phosphorylation in human and non-human primate (NHP) Tregs in vitro. In humanized mice and NHPs, administration of PT101 dose-dependently and selectively expanded Treg without significant effects on other immune cell types, nor eliciting proinflammatory cytokine production.
IL-2激动剂MK-6194在中国申报临床,默沙东18.5亿美元收购公司 …
2023年11月28日 · MK-6194 (PT101)是一款选择性 IL-2 激动剂。 2021 年 2 月,默沙东宣布以 18.5 亿美元收购 Pandion Therapeutics 公司,从而获得后者主要在研疗法,即 PT101。 MK-6194 能够选择性与 Tregs 表面包含 IL-2Ra 亚基的 IL-2 受体三聚体结合,而不是与常规 T 细胞和自然杀伤细胞上的 IL-2 受体二聚体结合,从而特异性激活和扩增 Tregs。 2021 年 2 月,默沙东宣布通过子公司以总计约 18.5 亿美元的数额收购 Pandion 公司。 Pandion 公司是一家致力于开发治疗 …
默沙东18.5亿美元收购Pandion,获得IL-2与PD-1激动剂 - 知乎
Pandion的核心项目为IL-2突变体PT101和PD-1激动剂PT627。 IL-2有复杂的作用机制,低浓度时有抗炎效果,高浓度时有抗肿瘤效应,这源于IL-2与其不同受体亚基有不同的亲和力。
癌症免疫治疗“老兵”IL-2:研发回潮,能否续写PD-1神话? - 知乎
pt101将基因工程表达的il-2突变蛋白融合至蛋白质骨架,减轻了对il-2rβ的亲和力,增强了对il-2rα的亲和力,从而能够选择性与调节性t细胞表面包含il-2rα亚基的il-2受体三聚体结合(不与naïve t细胞和nk细胞上的il-2受体二聚体结合),进而特异性激活和扩增调节性t ...
Pandion Therapeutics Announces Positive Top-Line Phase 1a
2021年1月4日 · PT101 is an engineered IL-2 mutein fused to a protein backbone designed to selectively activate and expand regulatory T cells for the treatment of autoimmune diseases.
OP0023 GENERATION OF PT101, A HIGHLY SELECTIVE IL-2 …
The Tregs from PT101-dosed humanized mice have increased expression of FOXP3 and CD25, suggesting enhanced function and stability. In a Phase 1a single ascending dose clinical trial, PT101 was well-tolerated and selectively expanded total Tregs, with a mean maximal increase of up to 3.6-fold over baseline in healthy volunteers.
PT101: A Treg selective agonist IL-2 mutein therapy for …
2020年5月1日 · We created PT101, a mutant IL-2 Fc fusion, containing a N88D mutation that significantly decreases CD122 binding affinity in addition to other mutations that increase CD25 binding affinity and introduce improved molecular stability and drug-like properties.
Merck takes on Lilly/Nektar in IL-2 with $1.85bn Pandion buy
4 天之前 · PT101 is an engineered IL-2 mutein fused to a protein backbone, and is vying to come to market along with other IL-2-based therapies, notably Eli Lilly and Nektar Therapeutics’ phase 2 candidate...