2,641 results match your criteria: " Peking University[Affiliation]"
Cancer
September 2024
Department of Breast Cancer Internal Medicine, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine, Chinese Academy of Sciences, Hangzhou, Zhejiang, China.
Ecotoxicol Environ Saf
September 2024
College of Life Science, Shanxi Agricultural University, Taigu, Shanxi 030801, China; College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China; Center of Experiment Teaching, Shanxi Agricultural University, Taigu, Shanxi 030801, China. Electronic address:
Bisphenol A (BPA), a typical environmental endocrine disruptor, has raised concerns among researchers due to its toxicological effects. Whether neohesperidin (NEO) can intervene in the toxic effects of BPA remains unknown. This study aims to investigate the effects and mechanisms of NEO on the myogenic differentiation of umbilical cord-derived mesenchymal stem cells (UC-MSCs) exposed to BPA.
View Article and Find Full Text PDFAnal Chem
August 2024
Department of Chemical Biology, Synthetic and Functional Biomolecules Center, Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry and Molecular Engineering, Beijing Advanced Innovation Center for Genomics, Peking University, Beijing 100871, China.
Accurate detection of site-specific 5-hydroxymethylcytosine (5hmC) in genomic DNA is of great significance, but it is technically challenging to directly distinguish very low levels of 5hmC from their abundant cytosine/5-methylcytosine (C/5mC) analogues. Herein, we wish to propose a selective ligase-mediated mechanism (SLim) that can directly discriminate 5hmC from C/5mC with a high specificity without the use of any sample processing protocol. In this new design, we discovered that HiFi Taq DNA Ligase can well tolerate the mismatched 5hmC/A base-pairing and then effectively ligate the associated nicking site while the mismatched 5mC/A or C/A pairs cannot be recognized by HiFi Taq DNA Ligase, providing a new way for direct and selective discriminating 5hmC from its similar analogues.
View Article and Find Full Text PDFRev Cardiovasc Med
March 2024
Peking University China-Japan Friendship School of Clinical Medicine, 100029 Beijing, China.
Background: Identifying effective pharmacological interventions to prevent the progressive enlargement and rupture of aortic aneurysms (AAs) is critical. Previous studies have suggested links between metformin use and a decreased incidence of AAs. In this study, we employed Mendelian randomization (MR) to investigate causal effects of metformin's targets on AA risk and to explore the underlying mechanisms underlying these effects.
View Article and Find Full Text PDFPhys Rev Lett
July 2024
State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.
Using data samples collected with the BESIII detector operating at the BEPCII storage ring, the cross section of the inclusive process e^{+}e^{-}→η+X, normalized by the total cross section of e^{+}e^{-}→hadrons, is measured at eight center-of-mass energy points from 2.0000 to 3.6710 GeV.
View Article and Find Full Text PDFPlanta
July 2024
State Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy and Northwest, A&F University, Yangling, 712100, Shaanxi, China.
World J Gastrointest Oncol
July 2024
Graduate School, Peking University China-Japan Friendship School of Clinical Medicine, Beijing 100029, China.
Background: The majority of colorectal cancer (CRC) cases develop from precursor advanced adenoma (AA). With the development of proteomics technologies, blood protein biomarkers have potential applications in the early screening of AA and CRC in the general population.
Aim: To identify serum protein biomarkers for the early screening of AA and CRC.
Int J Mol Sci
July 2024
State Key Laboratory of Tree Genetics and Breeding, Nanjing Forestry University, Nanjing 210037, China.
-methyladenosine (mA) RNA modification is the most prevalent form of RNA methylation and plays a crucial role in plant development. However, our understanding of mA modification in Masson pine ( Lamb.) remains limited.
View Article and Find Full Text PDFColloids Surf B Biointerfaces
October 2024
School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China; Sports & Medicine Integration Research Center (SMIRC), Capital University of Physical Education and Sports, Beijing 100191, China. Electronic address:
Genome Biol
July 2024
Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
Background: The mitosis-to-meiosis switch during spermatogenesis requires dynamic changes in gene expression. However, the regulation of meiotic transcriptional and post-transcriptional machinery during this transition remains elusive.
Results: We report that methyltransferase-like protein 16 (METTL16), an N6-methyladenosine (m6A) writer, is required for mitosis-to-meiosis transition during spermatogenesis.
Nat Chem Biol
January 2025
Ben May Department for Cancer Research, The University of Chicago, Chicago, IL, USA.
Appetite
October 2024
School of Public Health, Peking University, Beijing, China; China Center for Health Development Studies, Peking University, Beijing, China. Electronic address:
Background: Anorexia of aging (AA) is a common geriatric syndrome that seriously endangers the health of older adults. Early identification of populations at risk of AAand the implementation of appropriate intervention measures hold significant public health importance. This study aimed to develop a nomogram for predicting the risk of AA among older people.
View Article and Find Full Text PDFNat Commun
July 2024
Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, China.
While photo-cross-linking (PXL) with alkyl diazirines can provide stringent distance restraints and offer insights into protein structures, unambiguous identification of cross-linked residues hinders data interpretation to the same level that has been achieved with chemical cross-linking (CXL). We address this challenge by developing an in-line system with systematic modulation of light intensity and irradiation time, which allows for a quantitative evaluation of diazirine photolysis and photo-reaction mechanism. Our results reveal a two-step pathway with mainly sequential generation of diazo and carbene intermediates.
View Article and Find Full Text PDFFront Immunol
July 2024
Department of Otorhinolaryngology Head and Neck Surgery, Children's Hospital, Capital Institute of Pediatrics, Beijing, China.
Background: Allergic rhinitis (AR) is a complex disease in which gene-environment interactions contribute to its pathogenesis. Epigenetic modifications, such as N6-methyladenosine (m6A) modification of mRNA, play important roles in regulating gene expression in multiple physiological and pathological processes. However, the function of m6A modification in AR and the inflammatory response is poorly understood.
View Article and Find Full Text PDFGenome Res
July 2024
State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing 100875, China;
-Methyladenosine (mA) is a prevalent and highly regulated RNA modification essential for RNA metabolism and normal brain function. It is particularly important in the hippocampus, where mA is implicated in neurogenesis and learning. Although extensively studied, its presence in specific cell types remains poorly understood.
View Article and Find Full Text PDFOral Dis
July 2024
Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, China.
Aims: To establish a system based on hyperspectral imaging and deep learning for the detection of cancer cells in metastatic lymph nodes.
Main Methods: The continuous sections of metastatic lymph nodes from 45 oral squamous cell carcinoma (OSCC) patients were collected. An improved ResUNet algorithm was established for deep learning to analyze the spectral curve differences between cancer cells and lymphocytes, and that between tumor tissue and normal tissue.
Cancer Lett
August 2024
Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Health Science Center, Beijing, 100191, China. Electronic address:
Gemcitabine serves as a first-line chemotherapeutic treatment for pancreatic cancer (PC), but it is prone to rapid drug resistance. Increasing the sensitivity of PC to gemcitabine has long been a focus of research. Fasting interventions may augment the effects of chemotherapy and present new options.
View Article and Find Full Text PDFSci Rep
July 2024
Department of Geriatrics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China.
Vitamin D deficiency (VDD) is associated with increased risk of type 2 diabetes mellitus (T2DM) and insulin resistance (IR). We aimed to investigate the association between the triglyceride-glucose (TyG) index that represents IR and VDD in elderly patients with T2DM. We enrolled 572 elderly participants with T2DM in this study.
View Article and Find Full Text PDFClinics (Sao Paulo)
July 2024
Department of Neonatology, Shenzhen Children's Hospital, Shenzhen City, Guangdong Province, China; Health Management Center, Shenzhen University General Hospital, Shenzhen University Clinical Medical Academy, Shenzhen University, Shenzhen City, Guangdong Province, China. Electronic address:
Objective: This study mainly explores (2R,6R; 2S,6S)-HNK and its compounds whether there are antidepressant effects.
Methods: Four HNK compounds were obtained from 2-(Chlorophenyl) Cyclopentylmethanone. Forced swimming test, locomotor sensitization test, and conditioned location preference test were used to screen the antidepressant activity of the synthesized target compounds.
Adv Mater
August 2024
Beijing Key Laboratory for Theory and Technology of Advanced Battery Materials, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China.
Developing tin-lead (Sn-Pb) narrow-bandgap perovskites is crucial for the deployment of all-perovskite tandem solar cells, which can help to exceed the limits of single-junction photovoltaics. However, the Sn-Pb perovskite suffers from a large number of bulk traps and interfacial nonradiative recombination centers, with unsatisfactory open-circuit voltage and the consequent device efficiency. Herein, for the first time, it is shown that abietic acid (AA), a commonly used flux for metal soldering, effectively tackles complex defects chemistry in Sn-Pb perovskites.
View Article and Find Full Text PDFPhytother Res
August 2024
Key Laboratory of Bioresource Research and Development of Liaoning Province, College of Life and Health Sciences, Northeastern University, Shenyang, China.
Tamarixetin, a natural dietary flavone, exhibits remarkable potential for the treatment of ischemic stroke. The present article aimed to explore the impact of tamarixetin on ischemic stroke and elucidate the underlying mechanisms. Effects of tamarixetin on ischemic stroke were evaluated in rats using the middle cerebral artery occlusion and reperfusion (MCAO/R) model, by assessing the neurological deficit scores, brain water content, brain infraction, and neuronal damage.
View Article and Find Full Text PDFProc Natl Acad Sci U S A
July 2024
Zhejiang Key Laboratory of Horticultural Crop Quality Improvement, College of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou 310058, China.
Cancer Innov
April 2024
Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou Women and Children's Medical Center Guangzhou Medical University Guangzhou Guangdong China.
Background: Neuroblastoma is one of the most common extracranial malignant solid tumors in children. AlkB homolog 5 (ALKBH5) is an RNA N6-methyladenosine (m6A) demethylase that plays a critical role in tumorigenesis and development. We assessed the association between single nucleotide polymorphisms (SNPs) in and the risk of neuroblastoma in a case-control study including 402 patients and 473 non-cancer controls.
View Article and Find Full Text PDFAdv Healthc Mater
November 2024
State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, and Chemical Biology Center, Peking University, Beijing, 100191, China.
Immune checkpoint blockade (ICB) has significantly improved the prognosis of patients with cancer, although the majority of such patients achieve low response rates; consequently, new therapeutic approaches are urgently needed. The upregulation of sialic acid-containing glycans is a common characteristic of cancer-related glycosylation, which drives disease progression and immune escape via numerous pathways. Herein, the development of self-assembled core-shell nanoscale coordination polymer nanoparticles loaded with a sialyltransferase inhibitor, referred to as NCP-STI which effectively stripped diverse sialoglycans from cancer cells, providing an antibody-independent pattern to disrupt the emerging Siglec-sialic acid glyco-immune checkpoint is reported.
View Article and Find Full Text PDFAlcohol Clin Exp Res (Hoboken)
September 2024
Center for Neuroscience, School of Pharmacy, University of Camerino, Camerino, Italy.