Results 101 to 110 of about 281,280 (268)

Activation of DNMT1 by Chemically Synthesized Dual‐Monoubiquitinated PAF15 Protein

open access: yesAdvanced Science, EarlyView.
DNA methyltransferase 1 (DNMT1) propagates DNA methylation patterns during replication and is stimulated by dual‐monoubiquitinated PCNA‐associated factor 15 (PAF15Ub2). We chemically synthesized PAF15Ub2 with native isopeptide linkages. Cryo‐EM analysis of DNMT1 bound to the synthetic PAF15Ub2 and hemimethylated DNA revealed an active conformation with
Sae Suzuki   +7 more
wiley   +1 more source

Hypermutability in Carcinogenesis

open access: yesGenetics, 1998
AbstractThe presence of numerous chromosomal changes and point mutations in tumors is well established. At least some of these changes play a role in the development of the tumors. It has been suggested that the number of these genetic changes requires that tumorigenesis involves an increase in mutation rate.
openaire   +2 more sources

Single‐Cell Map of Early Lung Adenocarcinoma Uncovers Invasion‐Associated Tertiary Lymphoid Structures

open access: yesAdvanced Science, EarlyView.
Early thoracic lesions are already heavily infiltrated by immune cells, yet these infiltrates largely consist of bystander T lymphocytes within an immunosuppressive microenvironment. Pathological invasion is strikingly associated with the neogenesis of T/B cell‐rich TLSs that predominantly remain immature.
Pengfei Ma   +20 more
wiley   +1 more source

Associations of Patient Morphology and Venous Anatomy with Early Changes in Upper-Extremity Venous Blood Flow Following PICC Placement in Patients with Cancer: A Prospective Cohort Study

open access: yesVascular Health and Risk Management
Guodong Wang,1,* Yanfen Shen,2,* Yuan Yang,1,* Xinpeng Wang,2 Jing Dong,2 Xiaozheng Wang II,2 Yuanyuan Zheng,2 Jie Chen,2 Chun Wang,3 Xiaofang Meng,2 Feng Liu,2 Jinli Song,2 Jun Dong11Intensive Care Unit, Peking University Cancer ...
Wang G   +12 more
doaj  

A Celastrol–Platinum(IV) Nanoprodrug Couples Ferroptosis With Caspase‐Independent Pyroptosis to Enhance Anti‐PD‐1 Therapy in Colorectal Cancer

open access: yesAdvanced Science, EarlyView.
CPAN integrates celastrol‐driven oxidative stress with Pt(IV)‐induced DNA damage to couple ferroptosis with caspase‐independent pyroptosis. Celastrol disrupts the GSH/GPX4 axis and promotes lipid peroxidation, while Pt(IV)‐associated PARP/PARylation signaling facilitates full‐length GSDME oligomerization.
Huirong Li   +12 more
wiley   +1 more source

Bacillus Licheniformis‐Induced Cognitive Decline in Mice Linking Gut Microbiota Dysbiosis, Metabolic Perturbations, and Hippocampal Neuroinflammation

open access: yesAdvanced Science, EarlyView.
Chronic oral administration of specific probiotic strains triggers gut microbiota dysbiosis and systemic metabolic perturbations in mice. Multi‐omics profiling reveals subsequent hippocampal glial remodeling and neuroinflammation, which are linked to cognitive impairment.
Yibin Lin   +15 more
wiley   +1 more source

Biological Resectability in Colorectal Liver Metastases: A Nomogram‐Based Continuous Risk Model to Define Borderline Disease

open access: yesAnnals of Gastroenterological Surgery, EarlyView.
KRAS mutation demonstrated a prognostic impact according to primary tumor sidedness, independent of tumor morphology, in patients undergoing hepatectomy for colorectal liver metastases. A nomogram integrating biological and clinicopathological factors was developed to provide continuous biological risk assessment.
Yuzo Umeda   +9 more
wiley   +1 more source

Integrating APCS Score With Dual Biomarker Testing (FIT + mSEPT9) for Precision Risk Stratification and Predictive Modeling in High‐Risk Populations for Colorectal Cancer

open access: yesAnnals of Gastroenterological Surgery, EarlyView.
Asia‐Pacific Colorectal Screening (APCS) risk stratification was combined with quantitative fecal immunochemical test (FIT) and plasma methylated Septin9 to identify advanced colorectal neoplasia in a high‐risk cohort. The integrated model showed high apparent discrimination, while internal validation indicated a modest and uncertain incremental ...
WeiKang Ye   +6 more
wiley   +1 more source

Clinically Informed Intelligent Classification of Ovarian Cancer Cells by Label‐Free Holographic Imaging Flow Cytometry

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
Quantitative phase maps of single cells recorded in flow cytometry modality feed a hierarchical architecture of machine learning models for the label‐free identification of subtypes of ovarian cancer. The employment of a priori clinical information improves the classification performance, thus emulating the clinical application of liquid biopsy during ...
Daniele Pirone   +11 more
wiley   +1 more source

Developing a strain‐dependent susceptibility to hepatocellular carcinoma in a murine model based on histopathological evidence and genetic context

open access: yesAnimal Models and Experimental Medicine, EarlyView.
Using F1 (C57BL/6J/Smad4+/− X CC) mice, we found that partial loss of Smad4 promotes liver carcinogenesis in a strain‐dependent manner, highlighting the importance of genetic modifiers in tumor susceptibility. The use of Collaborative Cross mice provides a valuable platform for uncovering genotype‐specific cancer susceptibilities in preclinical ...
Osayd Zohud   +3 more
wiley   +1 more source

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