Science BulletinPub Date : 2026-09-30Epub Date: 2026-08-24DOI: 10.1016/j.scib.2026.08.050
Yawen Zheng, Cantong Chen, Xufan Li, Zhouyang Li, Hua Li, Mingjia Tan, Danyi Zhai, Fengwu Zhang, Wenjing Lu, Zhihua Chen, Yongchao Zhao, Pengyuan Liu, Yan Lu, Xiufang Xiong, Yi Sun
{"title":"Neddylation E2 enzyme UBE2M inhibits inflammatory lung tumor microenvironment by blocking the cGAS-STING signal upon KrasG12D activation","authors":"Yawen Zheng, Cantong Chen, Xufan Li, Zhouyang Li, Hua Li, Mingjia Tan, Danyi Zhai, Fengwu Zhang, Wenjing Lu, Zhihua Chen, Yongchao Zhao, Pengyuan Liu, Yan Lu, Xiufang Xiong, Yi Sun","doi":"10.1016/j.scib.2026.08.050","DOIUrl":"10.1016/j.scib.2026.08.050","url":null,"abstract":"<div><div>UBE2M, also known as UBC12, is one of two neddylation conjugation enzymes. The <em>in vitro</em> cell culture work showed that UBE2M is essential for the growth and survival of cancer cells, but its <em>in vivo</em> role in tumorigenesis, particularly in the tumor microenvironment (TME), remains elusive. Here, we report that in a well-established <em>Kras<sup>G12D</sup></em> lung tumor mouse model, <em>Ube2m</em> deletion caused an inflammatory TME, severe lung edema, and early death. Mechanistically, while <em>Kras</em><sup><em>G12D</em></sup> activates MAPK and mTORC1 signals for proliferation, <em>Ube2m</em> deletion increases mitochondrial MOMP/mPTP and inhibits Parkin neddylation and activity, leading to compromised mitophagy. The combination of <em>Kras<sup>G12D</sup></em> activation and <em>Ube2m</em> deletion caused cytoplasmic release of damaged mitochondrial DNA to activate the cGAS-STING-NF-κB pathway, followed by inflammatory cytokine secretion, immune cell infiltration, and inflammatory TME. This process is largely blocked by the STING antagonist H-151, indicating a causal role of the cGAS-STING axis. In human lung cancer with <em>KRAS</em> mutations, low UBE2M expression is correlated with high infiltrations of immune cells, demonstrating its relevance to human disease. Our study unexpectedly showed a paracrine role of Ube2m in the prevention of TME upon <em>Kras<sup>G12D</sup></em> activation in the lung.</div></div>","PeriodicalId":421,"journal":{"name":"Science Bulletin","volume":"71 18","pages":"Pages 4742-4761"},"PeriodicalIF":20.7,"publicationDate":"2026-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148904513","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Science BulletinPub Date : 2026-09-30Epub Date: 2026-08-13DOI: 10.1016/j.scib.2026.08.024
Tianrui Li, Chuanfa Li, Qian Ye, Yi Jiang, Longmei Ma, Jiaqi Wang, Yiqing Cheng, Kun Zhang, Jiahe Qu, Yingfan Chang, Shiqi Sun, Siwei Cao, Haiyang Cheng, Meng Liao, Peining Chen, Jue Deng, Chen Zhao, Huisheng Peng, Bingjie Wang
{"title":"Regulated external lithium supply enables high-energy sulfurized polyacrylonitrile-graphite fiber batteries","authors":"Tianrui Li, Chuanfa Li, Qian Ye, Yi Jiang, Longmei Ma, Jiaqi Wang, Yiqing Cheng, Kun Zhang, Jiahe Qu, Yingfan Chang, Shiqi Sun, Siwei Cao, Haiyang Cheng, Meng Liao, Peining Chen, Jue Deng, Chen Zhao, Huisheng Peng, Bingjie Wang","doi":"10.1016/j.scib.2026.08.024","DOIUrl":"10.1016/j.scib.2026.08.024","url":null,"abstract":"<div><div>Fiber batteries employing sulfurized polyacrylonitrile (SPAN) redox chemistry address the critical limitations of conventional layered oxide cathodes by offering high theoretical energy density, low cost, and environmental friendliness. However, the complete absence of lithium in the system, coupled with the significant safety concerns associated with lithium metal anodes, makes the development of lithium-SPAN fiber batteries (LSFBs) highly challenging. Herein, by exploiting the inherent twistability of fiber electrodes, we incorporate a lightweight, lithium-infiltrated aramid fiber containing a precisely controlled amount of lithium between the fiber electrodes. This strategy successfully introduces active lithium into the SPAN-graphite fiber system, enabling, for the first time, the efficient and safe operation of LSFBs. The multistrand fiber cell configuration, featuring three independent tabs, enables a sequential activation protocol (SAP) that lithiates the SPAN cathode and promotes the pre-formation of the solid electrolyte interphase (SEI) and cathode electrolyte interphase (CEI) before normal full-cell operation. Consequently, the resulting LSFB full cell, with a low negative-to-positive capacity (N/P) ratio of 1.08, achieves a high initial coulombic efficiency (ICE) of 98.82% and a high specific capacity of 673.2 mAh g<sup>−1</sup>, corresponding to an energy density of 132.2 Wh kg<sup>−1</sup>. This study represents the first realization of a high-energy, dendrite-free SPAN-graphite fiber battery, paving the way for the development of safe, stable, and flexible energy storage systems.</div></div>","PeriodicalId":421,"journal":{"name":"Science Bulletin","volume":"71 18","pages":"Pages 4684-4693"},"PeriodicalIF":20.7,"publicationDate":"2026-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148823503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Science BulletinPub Date : 2026-09-30Epub Date: 2026-07-06DOI: 10.1016/j.scib.2026.07.007
Zhangcheng Li, Can Wang, Zhi Liang, Zerui Liu, Zhangao Wang, Renzi Gong, Kangrui Ji, Shengyin Wang, Jiawen Tian, Chong Hou
{"title":"A liquid-electrode ultra-stretchable monolithic illuminating fiber","authors":"Zhangcheng Li, Can Wang, Zhi Liang, Zerui Liu, Zhangao Wang, Renzi Gong, Kangrui Ji, Shengyin Wang, Jiawen Tian, Chong Hou","doi":"10.1016/j.scib.2026.07.007","DOIUrl":"10.1016/j.scib.2026.07.007","url":null,"abstract":"<div><div>Fiber-based light-emitting devices hold promise for next-generation wearable electronics and human-machine interfaces. However, optoelectronic stability under extreme deformation remains challenging due to mechanical incompatibility at heterogeneous solid-solid interfaces and the difficulty of reconciling conflicting functionalities within fiber electrodes. Here, a liquid-electrode ultra-stretchable monolithic illuminating (LUMI) fiber is presented to address these interfacial limitations. Fabricated via scalable thermal drawing, the LUMI fiber consists of a central liquid metal core and symmetric ionic liquid channels embedded in a unified thermoplastic elastomer matrix. This architecture forms adaptive liquid-solid interfaces, ensuring robust electrical contact and maintaining uniform radial electric fields during dynamic deformation. As a result, the LUMI fiber exhibits excellent omnidirectional luminescence uniformity, sustaining up to 500% tensile strain while preserving stable luminance over 15,000 stretching cycles. Its versatility is further demonstrated by seamless integration into complex textile patterns and adaptability to dynamic, irregular surfaces. Overall, this work provides a comprehensive strategy for developing durable, scalable, and high-performance interactive fibers, advancing the frontiers of stretchable displays and electronic skins.</div></div>","PeriodicalId":421,"journal":{"name":"Science Bulletin","volume":"71 18","pages":"Pages 4714-4722"},"PeriodicalIF":20.7,"publicationDate":"2026-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148534798","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Inhalable HUCMSC-Lipo biomimetic formulation inhibits fibroblast activation in mouse and non-human primate pulmonary fibrosis models","authors":"Fangyu Zhao, Yige Sun, Haoran Wang, Dayong Hou, Rui Zhang, Wenjing Xia, Yongchen Zhang, Luyao Li, Xueqi Zhao, Kaiqi Wang, Wenwen Pan, Jiannan Wang, Kai Wang, Lili Yang, Wei Chen, Xin Li, Chunyang Nong, Huiying Lu, Yi Zhang, Zhaoyang Zhang, Xilin Sun","doi":"10.1016/j.scib.2026.08.013","DOIUrl":"10.1016/j.scib.2026.08.013","url":null,"abstract":"<div><div>Pulmonary fibrosis (PF) is a progressive and fatal lung disorder driven by abnormal fibroblast activation and excessive extracellular matrix (ECM) deposition, leading to structural and functional decline. Existing therapies can slow progression but fail to interrupt fibrotic remodeling. Here, we engineered HUCMSC-Lipo, an inhalable biomimetic formulation fusing human umbilical cord mesenchymal stem cell (HUCMSC) membranes with artificial phospholipids, with formulation parameters systematically optimized using a Bayesian optimization (BO) framework to ensure structural stability and nebulization compatibility. HUCMSC-Lipo maintained membrane functionality and structural integrity for effective nebulized delivery. We successfully established a non-human primate (NHP) PF model and innovatively developed a multidimensional evaluation framework. Utilizing a range of methods, including but not limited to positron emission tomography/computed tomography (PET/CT) molecular imaging with radiolabeled fibroblast activation protein (FAP) inhibitors, we confirmed that HUCMSC-Lipo suppressed fibrotic progression and restored pulmonary function by targeting the regulation of fibroblast activation. Mechanistically, THY-1 enrichment in HUCMSC-Lipo bound integrin receptors to block the FAK/PI3K signaling cascade and restore fibroblast mechanosensitivity, fundamentally turning off the pathological activation “switch” in fibroblasts. Our work presents an inhalable biomimetic formulation that combines therapeutic efficacy with synthetic accessibility, offering a mechanism-targeted approach to PF treatment with strong clinical translatability.</div></div>","PeriodicalId":421,"journal":{"name":"Science Bulletin","volume":"71 18","pages":"Pages 4694-4713"},"PeriodicalIF":20.7,"publicationDate":"2026-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148838864","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}