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Rare genetic diseases associated with G-quadruplex-induced replication stress

Lauren M. Herr, Swagata Mukhopadhyay, Olivia M. Anderson, Tucker H. Couch et al. • Communications Biology (2026)

Abstract DNA replication stress is incurred by endogenous or environmental challenges to replication fork progression that impede faithful genome duplication. Genomic G-quadruplexes (G4s) are DNA secondary structures that present a substant...

DOAJ Open Access (DOAJ) DOI: 10.1038/s42003-026-09966-4

Identifying and validating the key regulatory transcription factor YY1 in the aging process of pancreatic beta cells based on bioinformatics

Junqi Yang, Yumin Ma, Jiang Liu, Qingtian Zhu et al. • Experimental Gerontology (2024)

The aging of pancreatic beta cells is closely associated with various diseases, such as impaired glucose tolerance, yet the underlying regulatory mechanisms remain unclear. In this study, we screened young and aged mouse pancreatic beta cel...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.exger.2024.112633

Linking Spiritual and Religious Coping With the Quality of Life of Community-Dwelling Older Adults and Nursing Home Residents

Luciano Magalhães Vitorino BSN, MSc, Gail Low RN, BSN, MA, PhD, Lucila Amaral Carneiro Vianna PhD • Gerontology and Geriatric Medicine (2016)

Objective: This study examined the effect of Positive and Negative Spiritual and Religious Coping (SRC) upon older Brazilian’s quality of life (QOL). Method: A secondary analysis of data collected from 77 nursing home residents (NHRs; M age...

DOAJ Open Access (DOAJ) DOI: 10.1177/2333721416658140

Mediating role of neutrophil-percentage-to-albumin ratio in the association between stroke and heart failure among U.S. adults

Yan Zhao, Tingting Chen, Conghua Ji, Yuxin Shang et al. • Experimental Gerontology (2026)

Background: Stroke is an independent risk factor for heart failure (HF), and they are both linked to systemic inflammation. The neutrophil-percentage-to-albumin ratio (NPAR) is a novel inflammation biomarker. However, it is unclear whether ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.exger.2025.113010

Heterogeneity in Trajectories of Body Mass Index and Their Associations with Mortality in Old Age: A Literature Review

Hiroshi Murayama, Benjamin A. Shaw • Journal of Obesity & Metabolic Syndrome (2017)

This article reviewed studies to investigate the association between trajectories of body mass index (BMI) and mortality among older adults. Investigators conducted a systematic search of published peer-reviewed literature in the PubMed dat...

DOAJ Open Access (DOAJ) DOI: 10.7570/jomes.2017.26.3.181

Charlson comorbidity index has no incremental value for mortality risk prediction in nursing home residents with COVID-19 disease

Anum Zahra, Maarten van Smeden, Petra J. M. Elders, Jan Festen et al. • BMC Geriatrics (2025)

Abstract Background During the COVID-19 pandemic, nursing home (NH) residents faced the highest risk of severe COVID-19 disease and mortality. Due to their frailty status, comorbidity burden can serve as a useful predictive indicator of vul...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12877-025-05721-2

Exploring stress mediation: self-efficacy, sense of coherence, and self-esteem among nursing students in Poland—a multicenter cross-sectional observational study

Anna Maria Cybulska, Ewa Kupcewicz, Kamila Rachubińska, Mariusz Panczyk et al. • Frontiers in Public Health (2025)

BackgroundNursing students frequently encounter stressful and demanding situations during clinical training, which may hinder their well-being and professional development. A strong sense of coherence is thought to buffer the negative effec...

DOAJ Open Access (DOAJ) DOI: 10.3389/fpubh.2025.1713759

Stage-Dependent Within-Individual Comparison Reveals SIV-Specific Activation/Exhaustion Shift in Rhesus Macaques

Ling Tong, Zhe Cong, Long Tian, Jingjing Zhang et al. • Frontiers in Microbiology (2021)

It is challenging to trace the complicated individual-based variations of HIV-specific immunocompetence shift during the successful antiretroviral therapy (ART) era. Using eight rhesus monkeys simulating a longitudinal stage-dependent cohor...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmicb.2021.704449

Fluidity in filial piety: twenty-year associations of living arrangements on depression and life satisfaction and across chronic diseases among older adults in rural China

Jin Guo, Andrew Wister, Barbara Mitchell, Merril Silverstein et al. • BMC Geriatrics (2026)

Abstract Objectives Based on defamilization, individualization, and contingent intergenerational solidarity theories, this study developed a cultural defamilization framework. Longitudinal data were used to explore changes in the associatio...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12877-026-07449-z

Advances in the Development of PET Ligands Targeting Histone Deacetylases for the Assessment of Neurodegenerative Diseases

Tetsuro Tago, Jun Toyohara • Molecules (2018)

Epigenetic alterations of gene expression have emerged as a key factor in several neurodegenerative diseases. In particular, inhibitors targeting histone deacetylases (HDACs), which are enzymes responsible for deacetylation of histones and ...

DOAJ Open Access (DOAJ) DOI: 10.3390/molecules23020300

Self, Society, and the "New Gerontology"

Martha Holstein, Meredith Minkler • The Gerontologist (2003)

The "new gerontology," built on the concept of successful aging, sets forth the preconditions for and the end product of the process of aging successfully. Focused on health and active participation in life, it vests largely within individu...

OPENALEX DOI: https://doi.org/10.1093/geront/43.6.787

Improved object detection method for autonomous driving based on DETR

Huaqi Zhao, Songnan Zhang, Xiang Peng, Zhengguang Lu et al. • Frontiers in Neurorobotics (2025)

Object detection is a critical component in the development of autonomous driving technology and has demonstrated significant growth potential. To address the limitations of current techniques, this paper presents an improved object detecti...

DOAJ Open Access (DOAJ) DOI: 10.3389/fnbot.2024.1484276

EXARIS Model Development: Enhancing Elementary Scientific and Digital Literacy

Exsaris Januar, Nurhizrah Gistituati, Yanti Fitria, Alwen Bentri et al. • Educational Process: International Journal (2025)

Background/purpose. Study addresses the problem of low scientific and digital literacy among Grade 6 students (Phase C) in the IPAS (Science and Social Studies) subject under the Merdeka Curriculum, particularly in the theme “Our Endangered...

DOAJ Open Access (DOAJ) DOI: 10.22521/edupij.2025.18.450

A hybrid nanomodulator enables metabolic microenvironment remodeling for potent immunotherapy against lung adenocarcinoma

Shuping Wang, Pengcheng Chen, Xiaozhen Jing, Jinglin Zou et al. • Materials & Design (2026)

STING agonist-based immunotherapy holds considerable promise for cancer treatment, yet its efficacy against immunologically “cold” tumors such as lung adenocarcinoma (LUAD) remains markedly limited. A major obstacle lies in the highly glyco...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.matdes.2026.117182

The Evolution of COVID-19 Transmission with Superspreaders Class under Classical and Caputo Piecewise Operators: Real Data Perspective from India, France, and Italy

Shabir Ahmad, Salma Haque, Khalid Ali Khan, Nabil Mlaiki • Fractal and Fractional (2023)

In this study, we analyze the transmission of the COVID-19 model by using a piecewise operator in the classical Caputo sense. The existence along with the uniqueness of the solution of the COVID-19 model under a piecewise derivative is pres...

DOAJ Open Access (DOAJ) DOI: 10.3390/fractalfract7070501

Experimental study on unloading induced shear performances of 3D saw-tooth rock fractures

Qian Yin, Xinxin Nie, Jiangyu Wu, Qi Wang et al. • International Journal of Mining Science and Technology (2023)

A fractal model governing saw-tooth fractures was first introduced to replicate sandstone samples containing an inclined 3D penetrating rough fracture surface with various joint roughness coefficients (JRC). In conventional triaxial compres...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.ijmst.2023.02.002

Finite element analysis on the near field properties of metallic cavities with atomic sharpness

Qiyuan Dai, Liang Ma, Li Li, Guangjun Tian • Results in Physics (2023)

Using finite element calculations, we investigated the near field properties of two types of commonly used metal nanostructures (a tip-substrate model representing a scanning tunneling microscope type setup (TS) and a nanoparticle-on-mirror...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.rinp.2023.106360

Materials science and engineering

CA (United States) Lawrence Livermore National Lab., D Lesuer, USDOE, Washington, DC (United States) (1997)

During FY-96, work within the Materials Science and Engineering Thrust Area was focused on material modeling. Our motivation for this work is to develop the capability to study the structural response of materials as well as material proces...

OPENALEX Open Access DOI: https://doi.org/10.2172/623044

Explainable machine learning in materials science

Xiaoting Zhong, Brian J. Gallagher, Shusen Liu, Bhavya Kailkhura et al. • npj Computational Materials (2022)

Abstract Machine learning models are increasingly used in materials studies because of their exceptional accuracy. However, the most accurate machine learning models are usually difficult to explain. Remedies to this problem lie in explaina...

OPENALEX cc-by DOI: https://doi.org/10.1038/s41524-022-00884-7

Phase-field models in materials science

Ingo Steinbach • Modelling and Simulation in Materials Science and Engineering (2009)

The phase-field method is reviewed against its historical and theoretical background. Starting from Van der Waals considerations on the structure of interfaces in materials the concept of the phase-field method is developed along historical...

OPENALEX DOI: https://doi.org/10.1088/0965-0393/17/7/073001