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Characterization of metabolic responses, genetic variations, and microsatellite instability in ammonia-stressed CHO cells grown in fed-batch cultures

Dylan G. Chitwood, Qinghua Wang, Kathryn Elliott, Aiyana Bullock et al. • BMC Biotechnology (2021)

Abstract Background As bioprocess intensification has increased over the last 30 years, yields from mammalian cell processes have increased from 10’s of milligrams to over 10’s of grams per liter. Most of these gains in productivity can be ...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12896-020-00667-2

The Relationship between Exercise and Salivary Oxidative Stress: A Systematic Review

Raphael Charchar Campos Alves, Railson Oliveira Ferreira, Deborah Ribeiro Frazão, Yago Gecy de Souza Né et al. • Antioxidants (2022)

Salivary content has been reported as a potential biomarker for oxidative stress assessments especially in context of exercise-induced oxidative stress. This systematic review following PRISMA guidelines aimed to evaluate the effects of phy...

DOAJ Open Access (DOAJ) DOI: 10.3390/antiox11081489

Phase 2a/b randomised placebo-controlled dose-escalation trial of triheptanoin for ataxia-telangiectasia: treating mitochondrial dysfunction with anaplerosisResearch in context

Matthew Lynch, Sophie Manoy, Peter D. Sly, Claire E. Wainwright et al. • EBioMedicine (2025)

Summary: Background: Ataxia-telangiectasia (A-T) is a rare multisystem disease characterised by neurodegenerative cerebellar ataxia, lung disease, immune deficiency, high cancer risk, and mitochondrial dysfunction. A-T cells demonstrate de...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.ebiom.2025.105840

Metabolomic Profiling of Bile Acids in an Experimental Model of Prodromal Parkinson’s Disease

Stewart F. Graham, Nolwen L. Rey, Zafer Ugur, Ali Yilmaz et al. • Metabolites (2018)

For people with Parkinson’s disease (PD), considered the most common neurodegenerative disease behind Alzheimer’s disease, accurate diagnosis is dependent on many factors; however, misdiagnosis is extremely common in the prodrom...

DOAJ Open Access (DOAJ) DOI: 10.3390/metabo8040071

Identification and Validation of PLOD2 as an Adverse Prognostic Biomarker for Oral Squamous Cell Carcinoma

Yawei Sun, Shuai Wang, Xingwei Zhang, Zhuhao Wu et al. • Biomolecules (2021)

Background: Procollagen-lysine, 2-oxoglutarate 5-dioxygenase 2 (PLOD2), a key enzyme that catalyzes the hydroxylation of lysine, plays a crucial role in the progression of several solid tumors. However, its spatial expression profile and pr...

DOAJ Open Access (DOAJ) DOI: 10.3390/biom11121842

Identification of DDIT4 as a potential prognostic marker associated with chemotherapeutic and immunotherapeutic response in triple-negative breast cancer

Xuanzhao Chen, Zeyan Li, Meihua Liang, Ziyang Zhang et al. • World Journal of Surgical Oncology (2023)

Abstract Background Triple-negative breast cancer (TNBC) is the most heterogenous and aggressive subtype of breast cancer. Chemotherapy remains the standard treatment option for patients with TNBC owing to the unavailability of acceptable t...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12957-023-03078-7

Anti-ceramide antibody and sphingosine-1-phosphate as potential biomarkers of unresectable non-small cell lung cancer

Lilla Bűdi, Dániel Hammer, Rita Varga, Veronika Müller et al. • Pathology and Oncology Research (2025)

ObjectivesSpingosine-1-phosphate (S1P) and ceramides are bioactive sphingolipids that influence cancer cell fate. Anti-ceramide antibodies might inhibit the effects of ceramide. The aim of this study was to assess the potential role of circ...

DOAJ Open Access (DOAJ) DOI: 10.3389/pore.2024.1611929

Why do emergency department clinicians miss acute aortic syndrome? A case series and descriptive analysis

Rachel McLatchie, Sarah Wilson, Matthew Reed, Francoise Ticehurst et al. • Emergency Care Journal (2023)

Objectives: To understand why the diagnosis of AAS is missed in the ED, and to characterise the presenting features of cases in which a diagnosis of AAS was missed. Methods: A retrospective case series cohort study was performed, identif...

DOAJ Open Access (DOAJ) DOI: 10.4081/ecj.2023.11153

Alpha-Band EEG Modulation as a Potential Aged-Related Biomarker for Biofeedback-Driven Motor–Cognitive Adaptability

Swapno Aditya, Adam Clarke, Lucy Armitage, Wing-Kai Lam et al. • Sensors (2026)

Background: Age-related changes in motor–cognitive function are associated with altered neural adaptability, particularly during tasks requiring integration of cognitive and motor processes. Dual-task paradigms are commonly used to assess s...

DOAJ Open Access (DOAJ) DOI: 10.3390/s26144575

HEART Camp Connect—Promoting adherence to exercise in adults with heart failure with preserved ejection fraction

Windy W. Alonso, Sara E. Bills, Scott W. Lundgren, Steven J. Keteyian et al. • ESC Heart Failure (2025)

Abstract Aims Most adults with stable heart failure are safe to exercise at a moderate intensity for 150 min/week. Regular participation in exercise may improve outcomes in adults with heart failure with preserved ejection fraction (HFpEF)....

DOAJ Open Access (DOAJ) DOI: 10.1002/ehf2.15341

Red Blood Cells as Potential Repositories of MicroRNAs in the Circulatory System

Liping Sun, Yang Yu, Beifang Niu, Beifang Niu et al. • Frontiers in Genetics (2020)

The amount of erythrocyte-derived microRNAs (miRNAs) represents the majority of miRNAs expressed in whole blood. miR-451, miR-144, and miR-486, which are abundant in red blood cells (RBCs), are involved in the process of erythropoiesis and ...

DOAJ Open Access (DOAJ) DOI: 10.3389/fgene.2020.00442

Divergent biological consequences of APOE isoforms across industrialized and non-industrial environments.

Marina M Watowich, Rachel M Petersen, Layla Brassington, Audrey M Arner et al. • PLoS Genetics (2026)

The apolipoprotein ε4 (APOE ε4) isoform directly alters cholesterol and immune biology and is associated with an increased risk of neurodegenerative and cardiometabolic disease in industrialized settings; nevertheless, APOE ε4-which is ance...

DOAJ Open Access (DOAJ) DOI: 10.1371/journal.pgen.1012285

Bone Diagenesis in Short Timescales: Insights from an Exploratory Proteomic Analysis

Noemi Procopio, Caley A. Mein, Sefora Starace, Andrea Bonicelli et al. • Biology (2021)

The evaluation of bone diagenetic phenomena in archaeological timescales has a long history; however, little is known about the origins of the microbes driving bone diagenesis, nor about the extent of bone diagenesis in short timeframes—suc...

DOAJ Open Access (DOAJ) DOI: 10.3390/biology10060460

miR-3113-5p, miR-223-3p, miR-133a-3p, and miR-499a-5p are sensitive biomarkers to diagnose sudden cardiac death

Fengping Yan, Yuanyuan Chen, Xing Ye, Fu Zhang et al. • Diagnostic Pathology (2021)

Abstract Background Sudden cardiac death (SCD) remains a great health threat and diagnostic challenge, especially those cases without positive autopsy findings. Molecular biomarkers have been urgently needed for the diagnosis of SCD display...

DOAJ Open Access (DOAJ) DOI: 10.1186/s13000-021-01127-x

Lipofuscin: Wear Pigment or Alarm Signal for Cardiac AlloGraft Vasculopathy?

Anca Otilia Farcas, Mihai Ciprian Stoica, Septimiu Voidazan, Carmen Corina Radu et al. • Diagnostics (2026)

Background: CAV (cardiac allograft vasculopathy) is considered the leading cause of late post-transplant mortality and affects approximately 50% of transplant patients at 10 years post-transplant. Its etiopathogenetic mechanism is considere...

DOAJ Open Access (DOAJ) DOI: 10.3390/diagnostics16152432

UPLC-MS/MS Metabolomics Reveals Babao Dan’s Mechanisms in MASH Treatment with Integrating Network Pharmacology and Molecular Docking

Shijiao Zhang, Yanding Su, Ao Han, He Qi et al. • Pharmaceuticals (2025)

Background: Metabolic dysfunction-associated steatohepatitis (MASH) is a progressive disease that easily develops into cirrhosis and hepatocellular carcinoma, but its pathogenesis is not clear, and most therapeutic drugs have obvious limita...

DOAJ Open Access (DOAJ) DOI: 10.3390/ph18081111

Impact of <i>Chlorella vulgaris</i> Bioremediation and Selenium on Genotoxicity, Nephrotoxicity and Oxidative/Antioxidant Imbalance Induced by Polystyrene Nanoplastics in African Catfish (<i>Clarias gariepinus</i>)

Shimaa A. Abdelbaky, Zakaria M. Zaky, Doha Yahia, Mohamed H. Kotob et al. • Fishes (2024)

Contamination of the environment with nano- and microplastic particles exerts a threatening impact on the aquatic ecosystems and sustainable catfish aquaculture. The presence of nanoplastics has been found to have a detrimental impact on bo...

DOAJ Open Access (DOAJ) DOI: 10.3390/fishes9020076

Anti-inflammatory activity of two varieties of pumpkin seed oil in an adjuvant arthritis model in rats

S. Y. Al-Okbi, D. A. Mohamed, E. Kandil, M. A. Abo-Zeid et al. • Grasas y Aceites (2017)

The aim of the present research was to evaluate the anti-inflammatory activity of pumpkin seed oils (PSOs) of an Egyptian and European variety, in a rat model of adjuvant arthritis. Edema thickness, plasma tumor necrosis factor-α (TNF-α) an...

DOAJ Open Access (DOAJ) DOI: 10.3989/gya.0796161

TRACK-CF prospective cohort study: Understanding early cystic fibrosis lung disease

Eva Steinke, Eva Steinke, Eva Steinke, Olaf Sommerburg et al. • Frontiers in Medicine (2023)

BackgroundLung disease as major cause for morbidity in patients with cystic fibrosis (CF) starts early in life. Its large phenotypic heterogeneity is partially explained by the genotype but other contributing factors are not well delineated...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmed.2022.1034290

Exploring the Intestinal Microbiota and Metabolome Profiles Associated With Feed Efficiency in Pacific Abalone (Haliotis discus hannai)

Wenchao Yu, Wenchao Yu, Yisha Lu, Yisha Lu et al. • Frontiers in Microbiology (2022)

Feed efficiency (FE) is critical to the economic and environmental benefits of aquaculture. Both the intestines and intestinal microbiota play a key role in energy acquisition and influence FE. In the current research, intestinal microbiota...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmicb.2022.852460