Results 211 to 220 of about 271,565 (267)

A Preclinical Multifunctional Capsule Robot with Unified Diagnosis and Targeted Thermal Therapy for Gastrointestinal Diseases

Advanced Science, EarlyView.
A proof‐of‐concept multifunctional capsule robot integrates diagnostic imaging, magnetic navigation, wireless power transfer, and targeted thermotherapy for gastrointestinal applications. Magnetically guided positioning and stable wireless power enable localized thermal ablation, achieving controlled heating and high cell mortality in vitro.
Heng Zhang, Yichong Sun, Xiaoting Zhang, Chi‐Kwan Lee, Zheng Li, Yehui Li, Huarong Chen, Paul D. Mitcheson   +7 more
wiley   +1 more source

A State‐Gated Metallo‐DNAzyme Framework Programs Tumor Stress Vulnerability Through Metabolic Licensing

Advanced Science, EarlyView.
A tumor‐state‐gated metallo‐DNAzyme framework integrates miR‐21/APE1‐responsive GLUT1 silencing with Ca/Cu‐partitioned metal–nucleic acid assembly and cystine loading. The framework first weakens glucose‐dependent metabolic buffering and then amplifies copper‐ and disulfide‐associated stress, converting tumor metabolic adaptation into programmable ...
Xiaodong Ma, Lingyun He, Xinru Wang, Yuanyuan Wei, Chengcheng Li, Jiaqi Yan, Weijian Sun, Xian Shen, Hongbo Zhang   +8 more
wiley   +1 more source

Discovery and Optimization of AMT‐676, a CDH17‐Targeting ADC for the Treatment of Advanced Gastrointestinal Cancers

Advanced Science, EarlyView.
AMT‐676 is a novel antibody‐drug conjugate targeting CDH17, an adhesion molecule uniquely exposed on gastrointestinal tumor surfaces. Engineered with an optimized exatecan payload, it demonstrates profound tumor regression and a robust bystander effect across diverse preclinical models.
Ying‐nan Wang, Dan‐yun Ruan, Jing Shi, Yue Huang, Hui Sheng, Ya‐ling Huang, Linjie Ma, Lijun Wang, Caiwei Chen, Yixuan Wang, Yue Zhang, Yi Shen, Qing Zhang, Jianjian Zhang, Yanfang Tang, Jin‐ling Zhang, Jia‐jia Hu, Chen‐yi Wu, Jia‐ying Chen, Xun Meng, Shu‐Hui Liu, Feng Wang   +21 more
wiley   +1 more source

DLST Succinylation‐Mediated Mitochondrial Metabolic Remodeling and Cuproptosis Resistance Promote Malignant Progression of Lung Adenocarcinoma

Advanced Science, EarlyView.
The DLST K409 succinylation mediated by CPT1A promotes OXPHOS and redox homeostasis through regulating enzyme activity, thereby promoting the malignant progression of LUAD. Notably, the succinylation of DLST can enhance the cuproptosis resistance by inhibiting its lipoylation.
Xuanxuan Li, Peijun Zhou, Xingzhi Peng, Qixin Liu, Wenhui Zeng, Rui Wang, Liangfang Shen, Jinwu Peng, Qin Zhou, Lifang Yang   +9 more
wiley   +1 more source

Epigenetic Reactivation of TNFRSF19 Suppresses Mitophagy and Sensitizes Triple‐Negative Breast Cancer to Doxorubicin

Advanced Science, EarlyView.
TNFRSF19 is an epigenetically silenced regulator of mitophagy in triple‐negative breast cancer. TNFRSF19 deficiency activates the TGFBR1–SMAD3–PINK1 axis to promote mitophagy and confer doxorubicin resistance, whereas decitabine‐mediated restoration of TNFRSF19 suppresses mitophagy and enhances doxorubicin sensitivity, revealing a targetable epigenetic–
Shiyang Liu, Chenguang Liu, Weihong Zheng, Xiaofei Tong, Zhengwei Gui, Zonghong Lu, Sun Ieong, Lin Zhang   +7 more
wiley   +1 more source

Amphibious Movement of Microrobots Inspired by Water Spiders

Advanced Science, EarlyView.
Inspired by the water strider, a novel microrobot is designed to maintain amphibious mobility in complex environments. It retains the ability to traverse the air‐liquid interface and perform directional movement within sophisticated, multifaceted environments, including complex gastric wall structures, with precise controllability.
Xiao Hu, Run Ouyang, Zhuhao Shi, Wanqiong Tao, Zuchao Zhu, Peifeng Lin, Jianzhong Lin, Luca Brandt   +7 more
wiley   +1 more source

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Gastric Freezing or Gastric Frostbite?

Archives of Surgery, 1965
SINCE WANGENSTEEN and associates'25earliest papers on "physiological gastrectomy" through gastric freezing, there has been considerable controversy with regard to the efficacy of the freeze in the reduction of gastric acid2,3,9,10,20,21Of even more concern to clinicians, however, have been the persistent reports that the procedure itself is not without
G, KOLIG, F W, MARX
openaire   +2 more sources

Effect of gastric bypass on gastric secretion

The American Journal of Surgery, 1976
Gastric bypass as a 90 per cent gastric exclusion operation was used in 393 patients with massive obesity to limit food intake. Stomal ulcer has occurred in 1.8 per cent of such patients or one ulcer per 140 man years of observation. The studies of indwelling fundic pH and of gastric acid secretion from the excluded stomach indicate that acid secretion
E E, Mason, J R, Munns, G P, Kealey, R, Wangler, W R, Clarke, H F, Cheng, K J, Printen   +6 more
openaire   +2 more sources

GASTRIC FUNCTION IN PATIENTS WITH GASTRIC CARCINOMA

The Lancet, 1967
Abstract An investigation of gastric secretory function in 22 cases of gastric carcinoma has shown that besides depression of acid secretion, there is also depression of intrinsic-factor secretion. Certain patients who can secrete acid seem to have a relatively greater deficit in intrinsic-factor production.
D J, Shearman, N D, Finlayson, R, Wilson
openaire   +2 more sources

Gastric Mucormycosis Masquerading as Gastric Malignancy

Indian Journal of Surgical Oncology, 2016
Mucormycosis is an opportunistic fungal infection usually seen in immunocompromised patients. We report a case of gastric mucormycosis in an immune-competent lady that mimicked a gastric malignancy, presenting a diagnostic challenge. A high index of suspicion is required for the diagnosis and successful treatment of this potentially life-threatening ...
K, Suhaildeen, Urmila, Majhi, Ramakrishnan Ayloor, Seshadri, Kanchan, Murhekar   +3 more
openaire   +2 more sources