Results 201 to 210 of about 313,816 (251)

O‐GlcNAcylated TAP1 Impairs Antigen Presentation and Promotes Immune Evasion in Bladder Cancer

Advanced Science, EarlyView.
This article unveils a critical mechanism of immune evasion in bladder cancer, which the O‐GlcNAc modification of TAP1 disrupts antigen presentation. This modification triggers HLA‐A degradation, shielding tumor cells from CD8+ T cell attack. The findings highlight targeting this pathway as a promising therapeutic avenue to sensitize tumors to ...
Jinpeng Wu, Xueting Ren, Zhen Zhai, Lu Wang, Liang Liang, Zengqi Tan, Jiazhen Zhao, Yuxuan Han, Yuhan Li, Feng Guan, Xiang Li   +10 more
wiley   +1 more source

Tumor‐Derived Alpha‐1 Antitrypsin Promotes Liver Metastasis of Colorectal Cancer Through the Neutrophil Extracellular Traps–CCDC25 Pathway

Advanced Science, EarlyView.
ABSTRACT Liver metastasis is a leading cause of mortality in colorectal cancer (CRC), where the inflammatory tumor microenvironment, specifically neutrophil infiltration, significantly promotes metastatic colonization. This study reveals a pro‐metastatic role for alpha‐1 antitrypsin (A1AT) in CRC liver metastasis via a dual mechanism involving ...
Qian Fei, Chunning Li, Lei Zhan, Xiaoyan Li, Yan Hui, Yue Jin, Jing Zhang, Lu Yang, Xin Sun, Xiaoxi Li, Qian Dong, Jingdong Zhang   +11 more
wiley   +1 more source

Tumor‐Derived LAMB3 Drives Immunosuppressive LRRC15+ Fibroblast Formation During Pancreatic Ductal Adenocarcinoma Development

Advanced Science, EarlyView.
A single‐cell atlas of pancreatic ductal adenocarcinoma development reveals progressive ductal‐fibroblast‐immune crosstalk. Tumor‐derived LAMB3 drives the formation of immunosuppressive LRRC15+ fibroblasts through the ITGB1/FAK/MAPK/FOSL2 signaling. Glycolytic reprogramming upregulates LAMB3 and correlates with LRRC15+ fibroblast enrichment.
Xuqing Shi, Hangqi Liu, Jianru Sun, Xiaoding Liu, Xinping Jv, Longyun Chen, Yuhan Zhang, Hui Zhang, Xudong Xing, Ruiyu Li, Xinyi Ke, Jun Wang, Xianglin Yin, Bohan Liu, Qixian Liu, Yuan Wang, Junliang Lu, Shiyi Liu, Junyi Pang, Yumeng Cai, Menghua Dai, Fan Bai, Huanwen Wu, Zhiyong Liang   +23 more
wiley   +1 more source

A Microbial Lipid‐ATP Synthase Axis Fuels NK Cell Antitumor Activity

Advanced Science, EarlyView.
This study focuses on the mechanism by which gut microbiota‐derived outer membrane vesicles (OMVs) regulate NK cell antitumor activity. B. intestinalis is identified to decrease extra‐intestinal tumor growth via its OMVs enriched in sphingosine (SP).
Kaiyuan Yu, Xinyu Sun, Wanxia Ma, Jianming Yang, Xuan Sun, Lisong Zhang, Yumeng Liu, Tianshu Ren, Qi Wang, Jingyu Wang, Xiao Li, Xianping Peng, Liu Yang, Junqiang Lv, Zhi Yao, Zhi‐Song Zhang, Quan Wang   +16 more
wiley   +1 more source

Androgen Receptor‐Induced Lactoferrin Accelerates Prostate Tumorigenesis Through Modulating Ferroptosis

Advanced Science, EarlyView.
This study demonstrates that transcription factor androgen receptor (AR) directly binds the LF promoter, driving lactoferrin overexpression to promote ferritin (FTH1/FTL) upregulation and inhibit p53‐ALOX12‐mediated ferroptosis in prostate cancer. Lactoferrin could be a new potential therapeutic target in prostate cancer.
Can Liu, Qiu Peng, Xiaoyue Zhang, Zhengshuo Li, Yangge Wu, Yuqing Wen, Run Zheng, Shuanglong Wu, Chenfei Zhou, Zhengyu Hu, Lanjun Shu, Xinyi Ma, Qiuyang Li, Ya Ma, Chunlin Ou, Ming Zhao, Songqing Fan, Lingyu Wei, Jian Ma   +18 more
wiley   +1 more source

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Protease-activated receptor 2 signaling in inflammation

Seminars in Immunopathology, 2011
Protease-activated receptors (PARs) are G protein-coupled receptors that are activated by proteolytical cleavage of the amino-terminus and thereby act as sensors for extracellular proteases. While coagulation proteases activate PARs to regulate hemostasis, thrombosis, and cardiovascular function, PAR2 is also activated in extravascular locations by a ...
Andrea S, Rothmeier, Wolfram, Ruf
openaire   +2 more sources

Protease-activated Receptor-2 (PAR2) in the Airways

Pulmonary Pharmacology & Therapeutics, 2001
Protease-activated receptors (PARs) act as sensors for active extracellular serine proteases. Since serine proteases like mast cell tryptase are associated with inflammatory processes, PARs may represent novel pharmacological targets in airway diseases like asthma and chronic obstructive pulmonary disease.
T M, Cocks, J D, Moffatt
openaire   +2 more sources

Expression of protease-activated receptor-2 by osteoblasts

Bone, 2000
Osteoblasts express protease-activated receptor-1 (PAR-1), which is activated by thrombin or by synthetic peptides corresponding to the new "tethered ligand" N-terminus of PAR-1 created by receptor cleavage. Both thrombin and human PAR-1-activating peptide stimulate an elevation of [Ca2+]i in the human SaOS-2 osteoblast-like cell line, but the peptide ...
L A, Abraham, C, Chinni, A L, Jenkins, A, Lourbakos, N, Ally, R N, Pike, E J, Mackie   +6 more
openaire   +2 more sources

Protease-activated-receptor-2 affects protease-activated-receptor-1-driven breast cancer

Cellular and Molecular Life Sciences, 2013
Mammalian protease-activated-receptor-1 and -2 (PAR1 and PAR2) are activated by proteases found in the flexible microenvironment of a tumor and play a central role in breast cancer. We propose in the present study that PAR1 and PAR2 act together as a functional unit during malignant and physiological invasion processes.
Mohammad, Jaber, Miriam, Maoz, Arun, Kancharla, Daniel, Agranovich, Tamar, Peretz, Sorina, Grisaru-Granovsky, Beatrice, Uziely, Rachel, Bar-Shavit   +7 more
openaire   +2 more sources