82,128 results match your criteria: "Peking Union Medical College; Research Unit of Food Safety[Affiliation]"

10P3Me: A GPC3-Targeted Peptide PET Probe for Subcutaneous and Orthotopic HCC Imaging.

J Med Chem

September 2025

Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, Lanzhou, Gansu 730000, P. R. China.

Hepatocellular carcinoma (HCC) remains a growing global health threat, necessitating the development of precise molecular probes for its prevention, early diagnosis, and treatment. Glypican-3 (GPC3) is highly expressed in various HCC subtypes and exhibits minimal expression in normal liver tissue, making it a promising biomarker for early-stage HCC diagnosis. Herein, we report a novel cyclic peptide molecular probe, 10P3Me, exhibiting high binding affinity for GPC3, with a of 93.

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Single-cell omics reveal the mechanisms of traditional Chinese medicines.

Phytomedicine

August 2025

Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China. Electronic address:

Background: Traditional Chinese medicines (TCMs) have a long-standing history and diverse applications. However, their complex multi-component compositions and intricate mechanisms of action pose significant challenges for modern scientific investigation. Addressing these complexities requires advanced techniques capable of dissecting cellular and molecular interactions with high resolution.

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Molecular characterization of endosomal self RNA Rmrp-engaged TLR3 dimerization to prime innate activation.

Cell Res

September 2025

Department of Immunology, Center for Immunotherapy, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China.

The pre-dimerization of endosome-localized RNA sensor Toll-like receptor 3 (TLR3) is required for its innate recognition, yet how TLR3 pre-dimers are formed and precisely primed for innate activation remains unclear. Here, we demonstrate that endosome-localized self RNA Rmrp directly binds to TLR3 and induces TLR3 dimerization in the early endosome but does not interact with endosome-localized TLR7, TLR8, TLR9 or cytoplasmic RNA sensor RIG-I under homeostatic conditions. Cryo-EM structure of Rmrp-TLR3 complex reveals a novel lapped conformation of TLR3 dimer engaged by Rmrp, which is distinct from the activation mechanism by dsRNA and the specific structural feature at the 3'-end of Rmrp is critical for its functional interaction with TLR3.

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Objective: To evaluate the clinical efficacy of tocilizumab, a interleukin-6 (IL-6) receptor blocker, for the treatment of acute necrotizing encephalopathy (ANE).

Methods: PubMed, Cochrane Library, Embase, and Web of Science were searched for systematic review based on PRISMA guidelines. ANE patients treated with and without tocilizumab were included.

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3D-CT Study of Buccal Fat Pad Volume in Patients with Prominent Zygoma.

J Stomatol Oral Maxillofac Surg

September 2025

Department of Medical Cosmetology and Plastic Surgery, Affiliated Hospital of Southwest Jiaotong University, The Third People's Hospital of Chengdu, Chengdu, Sichuan, China. Electronic address:

Objective: To compare the symmetry of bilateral buccal fat pad(BFP) volumes in patients with prominent zygomatic bones before surgery.

Methods: Fifty cosmetic female patients were selected and scanned using computed tomography. Based on the symmetry of the patients' zygomatic bones prior to surgery, they were divided into the Sym group and the Asym group.

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Corrigendum to "The impact of ciliary length on the mechanical response of osteocytes to fluid shear stress" [Nitric Oxide 155 2025 1-11].

Nitric Oxide

September 2025

Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Key Laboratory of Innovation and Transformation of Advanced Medical Devices, Ministry of Industry and Information Technology, National Medical Innovation Platform for Industry-Education Integration in Adva

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Objectives: To evaluate the relationship between depression and the risk of dementia.

Design: A real-world longitudinal study.

Setting: This comprehensive study involved elderly adults in Yichang, China, who were dementia-free at baseline from 2016 to 2023.

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Small extracellular vesicles orchestrated pathological communications between breast cancer cells and cardiomyocytes as a novel mechanism exacerbating anthracycline cardiotoxicity by fueling ferroptosis.

Redox Biol

September 2025

National Clinical Research Center for Geriatric Diseases, The Second Medical Center, Chinese PLA General Hospital, 100853, Beijing, China; Institute of Geriatric Medicine, The Second Medical Center, Chinese PLA General Hospital, 100853, Beijing, China.

Small extracellular vesicles (sEVs) critically orchestrate inter-tissue and inter-organ communications and may play essential roles in heart-tumor interaction. However, whether cancer-secreted sEVs affect the progression of doxorubicin-induced cardiotoxicity (DOXIC) via orchestrating the tumor cell-cardiomyocyte crosstalk has not yet been explored. Herein, we reveal that Doxorubicin (DOX)-treated breast cancer cells secrete sEVs (D-BCC-sEVs) that exacerbate DOX-induced ferroptosis of human iPSC-derived cardiomyocytes (hiCMs).

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UCP2 is identified as a therapeutic target for abdominal aortic aneurysm by comprehensive bioinformatic analysis and experimental validation.

Biochem Biophys Res Commun

September 2025

Department of Vascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, 410011, China; Institute of Vascular Diseases, Central South University, Changsha, 410011, China. Electronic address:

Abdominal aortic aneurysm (AAA) is a potentially life-threatening vascular condition that currently lacks effective pharmacological treatment. The disease is strongly associated with chronic inflammation, where immune cells like macrophages play a crucial role. Efferocytosis, the process by which apoptotic cells are cleared, is involved in regulating inflammation.

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Purpose: We reviewed recent advancements in the characterization of intraductal oncocytic papillary neoplasm (IOPN) of the pancreas, with a specific focus on developments in immunohistochemical markers, molecular pathology, and pathogenic mechanisms over the past ten years (2015-2024). Through comprehensive analysis of current literature, we aimed to elucidate the evolving understanding of IOPN's biological behavior and diagnostic features, while identifying potential areas for future research in this distinctive pancreatic neoplasm.

Methods: English-language articles on IOPN were searched from Pubmed from the first report of IOPN of the pancreas in 2015 to 2024.

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Deep learning (DL) has significantly improved the diagnostic accuracy and efficiency of cytopathologists. However, current DL-assisted reading modes have yet to be fully evaluated, and there is limited evidence regarding cytopathologists' preferences and experiences. This study employs a randomized, controlled, four-way crossover design to assess the effectiveness of four different reading modes in cervical cytopathology readings.

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Liver fibrosis, a pivotal pathological stage in the progression of chronic liver diseases to cirrhosis and hepatocellular carcinoma is characterized by liver sinusoidal endothelial cell (LSEC) capillarization, oxidative stress imbalance, and cell pyroptosis. Current clinical interventions show limited efficacy in reversing fibrosis, highlighting the urgent need for novel therapeutic strategies. In this study, we developed an L-arginine-loaded melanin-like nanozyme (L-Arg@MeNPs) that targets liver fibrosis through a triple-action mechanism: (1) sustained nitric oxiderelease from L-Arg restores LSEC fenestration, improving sinusoidal permeability; (2) the MeNPs exhibit catalase/superoxide dismutase-mimicking activity to scavenge reactive oxygen species, thereby blocking the NOD-like receptor pyrin domain-containing 3/caspase-1-mediated pyroptosis pathway; and (3) intrinsic photoacoustic/magnetic resonance dual-modal imaging enables real-time therapeutic monitoring.

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An HIV fusion-inhibitory lipopeptide provides robust post-exposure prophylaxis and prevents viral reservoir seeding in macaques.

Cell Rep

September 2025

National Institute of Pathogen Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China; State Key Laboratory of Respiratory Health and Multimorbidity, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China; Center for

LP-98 is a lipopeptide HIV fusion inhibitor showing strong treatment and pre-exposure prophylaxis efficacies in non-human primates. In this study, we further characterized its pharmacokinetics, long-lasting antiviral activity, and post-exposure prophylaxis (PEP) efficacy using 62 macaques. In cynomolgus macaques, LP-98 achieved high concentrations (C) with a half-life (T) of ∼31 h, and sustained an effective therapeutic concentration for two weeks post-injection.

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Protocol for using treeLFA to infer multimorbidity patterns in the form of disease topics from diagnosis data in biobanks.

STAR Protoc

September 2025

Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen 9700 RB, the Netherlands. Electronic address:

Research on multimorbidity patterns promotes our understanding of the common pathological mechanisms that underlie co-occurring diseases. Here, we present a protocol to infer multimorbidity clusters in the form of disease topics from large-scale diagnosis data using treeLFA, a topic model based on the Bayesian binary non-negative matrix factorization. We describe steps for installing software, preparing input data, and training the model.

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Connexin43 and Its Regulation of Astrocyte Gap Junction Function: Influencing Depression Progression by Mediating Electrical and Chemical Signals.

CNS Neurosci Ther

September 2025

Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China.

Background: Depression is a common mental illness with a high relapse rate, which has a serious negative impact on national economic development and happiness. At present, the pathogenesis of depression is still unclear, and there are inevitable limitations in first-line clinical treatment. Therefore, it is very important to clarify the pathological mechanism of depression for the development of safe and effective antidepressants.

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The diagnostic approaches for Hermansky-Pudlak Syndrome (HPS) include genetic sequencing, immunoblotting, electron microscopy (EM), and flow cytometry with mepacrine staining. However, these methods are often impractical for routine clinical use due to high cost, technical complexity, and limited availability. In this study, we evaluated dense granules (DGs) function in HPS mouse models using flow cytometry with mepacrine and FluoZin-3 staining.

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Background: The cellular composition and molecular mechanisms of the pathological arteries in Moyamoya disease (MMD) remain poorly understood. To improve our understanding of pathogenesis in MMD, we aimed to comprehensively map the cellular composition and molecular alterations within the pathological arteries of patients with MMD.

Methods: Superficial temporal artery samples were collected from patients with MMD (n=2) and healthy controls (n=3), yielding a total of 26 371 cells that were used for single-cell RNA sequencing.

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This study aimed to identify the optimal prediction method and key preoperative variables for red blood cell (RBC) transfusion risk in patients undergoing mitral valve surgery. We conducted a retrospective study involving 1477 patients from eight large tertiary hospitals in China who underwent mitral valve surgery with cardiopulmonary bypass. From thirty collected preoperative variables, the Max-Relevance and Min-Redundancy (mRMR) method was used for feature selection, and various machine learning models were evaluated.

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Reverse Wenckebach Phenomenon After Surgical Repair of Bicuspid Aortic Valve: Long-Term Follow-Up.

JACC Case Rep

September 2025

Arrhythmia Center, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China. Electronic address:

Background: The Wenckebach phenomenon of atrioventricular conduction is deemed a physiological response of the atrioventricular node to a high atrial rate. However, the reverse Wenckebach phenomenon is under-recognized.

Case Summary: We report an instance of reverse Wenckebach phenomenon developing into complete heart block in a 33-year-old man who experienced syncope after surgical repair of prolapsed bicuspid aortic valves.

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A novel extracellular mannan from Bacillus velezensis ameliorates metabolic-associated fatty liver disease by modulating gut microbiota in mice model.

Carbohydr Polym

November 2025

State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China. Electronic address:

Metabolic associated fatty liver disease (MAFLD) is a globally recognized chronic metabolic disorder characterized by lipid metabolism abnormalities. Accumulating evidence indicates that exopolysaccharides (EPS) could modulate the gut microbiota structure and function to prevent and treat MAFLD. Herein, a novel EPS designated BVP1 was isolated from Bacillus velezensis CGMCC 24752.

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Background: Remimazolam besylate, despite being widely used in various clinical settings, lacks evidence in cardiac anesthesia. This trial compared its efficacy with propofol in elective cardiac surgery.

Methods: A total of 320 adult patients undergoing elective cardiac surgery via cardiopulmonary bypass between December 2024 and March 2025 were randomized 1:1 to either propofol (1 mg/kg for induction and 1-1.

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