181,478 results match your criteria: "Chinese Academy of Medical Sciences & Peking Union Medical College,Beijing,100029,China.[Affiliation]"

Single-cell multi-stage spatial evolutional map of esophageal carcinogenesis.

Cancer Cell

March 2025

Department of Etiology and Carcinogenesis, National Cancer Center/National Clinical Research Center/Cancer Hospital, Chinese Academy of Medical Sciences (CAMS) and Peking Union Medical College (PUMC), Beijing 100021, China; Key Laboratory of Cancer Genomic Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China; Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, Nanjing 211166, China; CAMS Oxford Institute, Chinese Academy of Medical Sciences, Beijing 100006, China. Electronic address:

Cancer development involves the co-evolution of cancer cells and their surrounding microenvironment, yet the dynamics of this interaction within the physical architecture remains poorly understood. Here, we present a spatial transcriptomic map at single-cell resolution, encompassing 127 multi-stage fields of view from 43 patients, to chart the evolutionary trajectories of human esophageal squamous cell carcinoma (ESCC). By analyzing 6.

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Fibrosis in Distal Rectum of Anorectal Malformation: A Clinicopathological Study.

J Pediatr Surg

February 2025

Department of Pediatric Surgery, Children's Hospital Capital Institute of Pediatrics, Chinese Academy of Medical Sciences & Peking Union Medical College, Research Unit of Minimally Invasive Pediatric Surgery on Diagnosis and Treatment, Chinese Academy of Medical Sciences 2021RU015, 100020, Beijing, China; Department of Pediatric Surgery, Tsinghua University Affiliated Beijing Tsinghua Changgung Hospital, 102218, Beijing, China. Electronic address:

Background: The distal rectum may have neuromuscular system abnormalities, which could be the causes of constipation of anorectal malformations (ARMs). This study aimed to characterize fibrosis in the distal rectum. To propose new hypotheses for the mechanism of constipation and provide histopathological evidence for the distal rectum resection during anorectoplasty.

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An acoustic squeezer for assessment of multiparameter cell mechanical properties.

Ultrasonics

March 2025

Key Laboratory of Biomedical Imaging Science and System, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong 518055, PR China. Electronic address:

Cells' ability to sense and respond to mechanical stimuli is fundamental to various biological processes and serves as a crucial biomarker of their physiological and pathological states. Traditional methods for assessing cell mechanical properties, such as atomic force microscopy and micropipette aspiration, are hindered by complex procedures and the risk of cellular damage due to direct contact. Here we introduce a novel non-contact acoustic squeezer that leverages focused interdigital transducers to induce cell deformation through a robust standing surface acoustic wave (SSAW) field.

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Structure-activity relationship analysis of meta-substituted N-cyclopropylmethyl-nornepenthones with mixed KOR/MOR activities.

Eur J Med Chem

February 2025

Department of Medicinal Chemistry, School of Pharmacy, Fudan University, No. 826 Zhangheng Road, Shanghai, 201203, China. Electronic address:

Substance Use Disorder (SUD) remains a significant global challenge, with current treatment options offering limited efficacy. Agonists targeting the kappa opioid receptor (KOR), especially those with additional mu opioid receptor (MOR) antagonistic activity, have shown promise in addressing SUD. In this study, a series of meta-substituted N-cyclopropylmethyl-nornepenthone derivatives were designed and synthesized, and their biological activities were assessed, leading to the identification of a KOR/MOR dual modulator, compound 10a.

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Machine learning-based non-invasive continuous dynamic monitoring of human core temperature with wearable dual temperature sensors.

Physiol Meas

March 2025

Research Center for Biomedical Information Technology, Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen University Town, Shenzhen, P.R.China, Shenzhen, Guangdong, 518055, CHINA.

Objective: Due to the growing demand for personal health monitoring in extreme environments, continuous monitoring of core temperature has become increasingly important. Traditional monitoring methods, such as mercury thermometers and infrared thermometers, may have limitations in tracking real-time fluctuations in core temperature, especially in special application scenarios such as firefighting, military, and aerospace. This study aims to develop a non-invasive, continuous core temperature prediction model based on machine learning, addressing the limitations of traditional methods in extreme environments.

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Investigating strategies for creating cross-linked amyloid fibril networks through branching of amyloid growth.

Colloids Surf B Biointerfaces

March 2025

Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, Aarhus C 8000, Denmark. Electronic address:

Hydrogel biomaterials have been extensively explored for applications in medicine, materials science, and the development of functionalized materials. Traditionally, hydrogels were produced using simple polymers, but advancements over recent decades have enabled the use of biological materials such as proteins, peptides, polysaccharides, and even amyloid fibrils. Among these, amyloid-based hydrogels have demonstrated unique advantages, including enhanced cell adhesion and differentiation.

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Purpose: To investigate the refractive predictability and corneal thickness change after femtosecond laser-assisted lenticule intrastromal keratoplasty (FS-LIKE) or small-incision lenticule intrastromal keratoplasty (SMI-LIKE).

Methods: Pentacam topography and optical coherence tomography measurements were taken of all eyes at 1 day and 1, 3, and 6 months after surgery. Anterior lamellar thickness, lenticule thickness, and posterior lamellar thickness were measured.

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Single Administration of AAV-mAtp6v1b2 Gene Therapy Rescues Hearing and Vestibular Disorders Caused by Atp6v1b2-Induced Lysosomal Dysfunction in Hair Cells.

Adv Sci (Weinh)

March 2025

Senior Department of Otolaryngology Head and Neck Surgery, the 6th Medical Center of Chinese PLA General Hospital, Chinese PLA Medical School, Beijing, 100853, China.

Haploinsufficiency of the ATP6V1B2, a subunit of V-ATPases, underlies genetic disorders including Dominant deafness-onychodystrophy (DDOD), deafness, onychodystrophy, osteodystrophy, mental retardation and seizures (DOORS), and Zimmermann-Laband syndromes, all characterized by congenital hearing loss and onychodystrophy. Effective therapies for ATP6V1B2-associated hearing loss remain elusive. The study generates a hair cell-specific knockout mouse (Atp6v1b2;Atoh1) recapitulating the human phenotypes, with pathological features including hair cell loss and abnormal lysosomal morphology and function.

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Type 2 diabetes mellitus (T2DM) is a common metabolic disease that can lead to a wide range of complications and impose a significant economic burden to society. Frailty is a disease associated with the accumulation of health deficits that may affect the quality of life of T2DM patients. This Mendelian randomization (MR) study explores the bidirectional causality between T2DM and frailty.

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Knowledge map and emerging trends of oxidative stress in wound healing: A bibliometric analysis from 2000 to 2023.

Medicine (Baltimore)

March 2025

Department of Otolaryngology, Head, Neck and Plastic Surgery, Honghui Hospital, Xi'an Jiaotong University, Xian, China.

The skin's integrity is vulnerable to external elements that can induce injuries, leading to wound formation. It's crucial to comprehend wound healing processes to protect the body when this protective barrier is compromised. Over the last 2 decades, there has been considerable progress in understanding delayed wound healing, with a focus on the mechanisms and microenvironmental factors involved.

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Biodegradable antimicrobial gauzes are environmentally friendly medical dressings taking essential role in the protection and healing of wounds. Poly (butylene adipate terephthalate) (PBAT) offers a promising platform for exploiting biodegradable antimicrobial gauzes attributed to its exceptional biodegradability, biocompatibility, processability, and flexibility. To date, most work is focused on utilizing electrostatic spinning to fabricate PBAT antimicrobial gauzes.

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Analgesic Grayanane-Derived Diterpenoids from the Flowers of .

J Nat Prod

March 2025

State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, People's Republic of China.

Ten new grayanane-derived diterpenoids, rhodomollein LVII-LXVI (-), along with the known compound rhodomollein XLIII (), were isolated from the flowers of . Their structures were elucidated by detailed spectroscopic analysis, X-ray diffraction crystallography, and ECD calculations. Rhodomollein LVII-LIX (-) are the first-discovered 3----coumaroylquinic acid, nicotinic acid, and 2-furoic acid derivatives of grayanane diterpenoids, respectively.

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Enhancing MyD88 oligomerization is one important mechanism by which IBDV VP2 induces inflammatory response.

PLoS Pathog

March 2025

Avian Immunosuppressive Diseases Division, State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, the Chinese Academy of Agricultural Sciences, Harbin, China.

The inflammatory response is an essential component of innate immunity to defense against pathogens. Infectious bursal disease (IBD) is the most important immunosuppressive disease in chickens and is caused by the infectious bursal disease virus (IBDV). Acute inflammation is a typical pathogenic process for IBD, however, the underlying mechanism is not clear.

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Endozoochory by the cooperation between beetles and ants in the holoparasitic plant Cynomorium songaricum in the deserts of Northwest China.

PLoS One

March 2025

Key Laboratory of Herbage & Endemic Crop Biology Ministry of Education, School of Life Sciences, The Good Agriculture Practice Engineering Technology Research Center of Chinese and Mongolian Medicine in Inner Mongolia, Inner Mongolia University, Hohhot, China.

Cynomorium songaricum Rupr. first described by Carl Johann (Ivanovič) Ruprecht in 1840 is a desert parasitic plant that mainly parasitizes the roots of Nitraria L. (especially of Nitraria tangutorum Bobrov.

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Through the PFOEP-SO3(-) + multidrug molecules constructed nanoparticle (NP) experiments and validated by molecular simulation docking experiments, we propose a molecular interaction principle for inducing aggregation-induced locally excited emission (AILE) luminescence from fluorenone (FO)-based conjugated polymers (CPs). Based on this molecular interaction mechanism, we constructed a NP built by π-π stacking. The NPs demonstrate facile synthesis, robust stability, and high drug-loading efficiency, enabling tumor-specific drug release in acidic lysosomal environments (pH 3.

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Endoplasmic reticulum (ER) stress is known to impair the function of visceral adipose tissue (VAT) and subcutaneous adipose tissue (SAT), disrupting lipid metabolism. Despite the crucial role lipid plays in regulating adipose tissue function, the specific lipidomic alterations in VAT and SAT under ER stress remain unclear. In this study, ER stress was induced in VAT and SAT, and targeted lipidomic and transcriptomic approaches were used to analyze lipid metabolism and gene expression profiles.

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Sleep is a cornerstone of health, playing an integral role in both physiological and psychological functions. However, it is vulnerable to a variety of factors including menopause. According to available research, the onset of the menopause transition may not necessarily worsen sleep architecture and could even enhance it, leading to conflict between assessment of subjective and objective sleep complaints.

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Dimeric Amide Alkaloid Enantiomers from L. with Anti-Inflammatory and Antidiabetic Effects.

J Agric Food Chem

March 2025

State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, and Key Laboratory of Plants Resources and Chemistry of Arid Zone, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing South Road 40-1, Urumqi 830011, Xinjiang, China.

The fruit of L. (Piperaceae), commonly used as a spice in various culinary applications, is renowned for its rich nutritional profile and potential medicinal properties. In this study, a molecular network-based dereplication strategy was employed to isolate 12 dimeric amide alkaloid enantiomers (-) from fruits, including eight pairs of cyclobutane-type dimers (-) and four pairs of cyclohexene-type dimers (-).

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Aims: It is unclear whether there is a causal relationship between social determinants of health (SDoH) and mortality in patients with chronic heart failure (CHF). In this study, we assessed causality using inverse probability weighting (IPW) of marginal structural models (MSMs) during the course of CHF.

Methods And Results: A total of 1377 patients with CHF were enrolled in this multi-centre, prospective cohort study from September 2017 onwards.

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Background: Tumor metastasis is one of the main causes of death in cancer patients; however, the mechanism controlling metastasis is unclear. The posttranscriptional regulation of metastasis-related genes mediated by AT-rich interactive domain-containing protein 4A (Arid4a), an RNA-binding protein (RBP), has not been elucidated.

Methods: Bioinformatic analysis, qRT-PCR, immunohistochemistry, and immunoblotting were employed to determine the expression of Arid4a in breast tumor tissues and its association with the survival of cancer patients.

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Modelling the effects of temperature, pH and osmotic shifts on the autofluorescence of in vitro.

Future Microbiol

March 2025

Anhui Institute of Optics and Fine Mechanics, Hefei Institute of Physical Sciences, Chinese Academy of Sciences, Anhui Provincial Engineering Technology Research Center for Biomedical Optical Instrument, Anhui Provincial Engineering Technology Center for Medical Optical Diagnosis Treatment Technology and Instrument, Hefei, Anhui, China.

Aims: This study aims to investigate how different wound microenvironmental factors (temperature, pH, and osmotic pressure) influence the autofluorescence of Staphylococcus aureus ( and its underlying molecular mechanisms, specifically focusing on the porphobilinogen synthase gene gene expression.

Methods: We measured the average fluorescence intensity of colonies under varying conditions of pH (3, 5, 7, 9, 11), temperature (25°C, 31°C, 37°C, 43°C), and osmotic pressure (0.9%, 1.

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Diabetic wounds are a common complication of diabetes and pose a significant threat to human health. High glucose concentration in the wound remains a major obstacle, necessitating effective strategies to achieve sustained glucose consumption for synergistic diabetic wound therapy. In this study, an Au-based nanomaterial is developed that can adjust its morphology in different therapeutic processes.

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Gastric cancer (GC) is a prevalent malignant tumor that originates from the epithelial cells of the gastric mucosa, predominantly in the form of adenocarcinoma. Extensive research has confirmed the significant role of autophagy in the initiation, progression, and chemoresistance of GC. The potential of traditional Chinese medicine (TCM) to exert anti-tumor effects by modulating autophagy has been demonstrated, particularly in the context of GC prevention and treatment.

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