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Oral zero-valent-molybdenum nanodots for inflammatory bowel disease therapy.


ABSTRACT: Inflammatory bowel disease (IBD) affects millions of people each year. The overproduction of reactive oxygen species (ROS) plays a critical role in the progress of IBD and will be a potential therapeutic target. Here, we synthesize a kind of oral zero-valent-molybdenum nanodots (ZVMNs) for the treatment of IBD by scavenging ROS. These ultrasmall ZVMNs can successfully pass through the gastric acid and then be absorbed by the intestine. It has been verified that ZVMNs can down-regulate the quantity of ROS and reduce colitis in a mouse IBD model without distinct side effects. In addition, RNA sequencing reveals a further mechanism that the ZVMNs can protect colon tissues from oxidative stress by inhibiting the nuclear factor κB signaling pathway and reducing the production of excessive pro-inflammatory factors. Together, the ZVMNs will offer a promising alternative treatment option for patients suffering from IBD.

SUBMITTER: Zhang C 

PROVIDER: S-EPMC9481133 | biostudies-literature | 2022 Sep

REPOSITORIES: biostudies-literature

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Oral zero-valent-molybdenum nanodots for inflammatory bowel disease therapy.

Zhang Chen C   Wang Han H   Yang Xinhui X   Fu Zi Z   Ji Xiuru X   Shi Yifan Y   Zhong Jie J   Hu Weiguo W   Ye Youqiong Y   Wang Zhengting Z   Ni Dalong D  

Science advances 20220916 37


Inflammatory bowel disease (IBD) affects millions of people each year. The overproduction of reactive oxygen species (ROS) plays a critical role in the progress of IBD and will be a potential therapeutic target. Here, we synthesize a kind of oral zero-valent-molybdenum nanodots (ZVMNs) for the treatment of IBD by scavenging ROS. These ultrasmall ZVMNs can successfully pass through the gastric acid and then be absorbed by the intestine. It has been verified that ZVMNs can down-regulate the quanti  ...[more]

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