为探究 PD-1 在 HIV 感染中作用及机制，研究人员开展 PD-1 抑制对 HIV 感染和 T 细胞功能影响的研究。结果发现 PD-1 抑制可恢复 T 细胞功能、激活潜伏 HIV。这为 HIV 治疗提供新策略，有望改善患者免疫功能。

The anti-melanogenesis effect of ligustroside derived from Ligustrum japonicum and its underlying mechanisms are explored.

Vanguard Total International Stock ETF VXUS is up 9.2% since the start of the year compared to a decline of 3.2% for SPDR S&P 500 ETF Trust (SPY). Trade Disputes: International markets appear ...

新华社基辅3月15日电 乌克兰总统泽连斯基15日在社交媒体上发文说，他听取了乌克兰武装部队总司令瑟尔斯基关于战况的报告，在库尔斯克地区的乌军没有被包围，乌军的作战行动仍在进行。 泽连斯基说，乌军正按“需要”在库尔斯克执行任务，得益于乌军在 ...

丝裂原活化蛋白激酶（MAPK）级联反应通过将植物细胞外的信号转导至细胞内，在植物先天免疫中发挥着关键作用，但在植物中仅有少数完整的MAPK级 ...

John P. Walters is president and chief executive officer of Hudson Institute. John P. Walters is president and chief executive officer of Hudson Institute. From 2009 through 2020, Mr. Walters served ...

And this could be pertinent to some of the stocks with the highest dividend yields in the S&P 500 today. Be forewarned that in some cases the names below have entered elite-yield territory only ...

Quantitative differences in signal transduction are to date an understudied feature of tumour heterogeneity. The MAPK Erk pathway, which is activated in a large proportion of human tumours, is a ...

TBMS-1 effectively induced apoptosis in choriocarcinoma JEG-3 cells by initiating mitochondrial dysfunction and regulating p38/MAPK, ERK1/2, as well as PI3K/Akt signaling pathways (Huang et al., 2011) ...

William P. Barr is a distinguished fellow at Hudson Institute. His work at Hudson involves a number of policy areas, including violent crime, transnational criminal/drug organizations, and ...