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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

The Role of Artificial Intelligence on Tumor Boards: Perspectives from Surgeons, Medical Oncologists and Radiation Oncologists

Valerio Nardone, Federica Marmorino, Marco Maria Germani, Natalia Cichowska-Cwalińska et al. • Current Oncology (2024)

The integration of multidisciplinary tumor boards (MTBs) is fundamental in delivering state-of-the-art cancer treatment, facilitating collaborative diagnosis and management by a diverse team of specialists. Despite the clear benefits in per...

DOAJ Open Access (DOAJ) DOI: 10.3390/curroncol31090369

The burden and determinants of cognitive impairment among individuals with chronic diseases in Ethiopia: A systematic review and meta-analysis

Addisu Getie, Melaku Bimerew, Mihretie Gedfew, Baye Tsegaye Amlak et al. • Archives of Gerontology and Geriatrics Plus (2025)

Introduction: Cognitive impairment is a medical condition caused by neurodegeneration, marked by a gradual decline in neurological, motor, psychological, and cognitive domain functions, as well as daily activities. It primarily affects indi...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.aggp.2025.100171

GPS network observation of traveling ionospheric disturbances following the Chelyabinsk meteorite blast

F. Ding, F. Ding, T. Mao, L. Hu et al. • Annales Geophysicae (2016)

We use the Global Positioning System (GPS) network in northwest China and central Asia to monitor traveling ionospheric disturbances (TIDs), which were possibly excited by the large meteorite blast over Chelyabinsk, Russia, on 15 Februar...

DOAJ Open Access (DOAJ) DOI: 10.5194/angeo-34-1045-2016

The emission factor of volatile isoprenoids: stress, acclimation, and developmental responses

Ü. Niinemets, A. Arneth, U. Kuhn, R. K. Monson et al. • Biogeosciences (2010)

The rate of constitutive isoprenoid emissions from plants is driven by plant emission capacity under specified environmental conditions (<i>E</i><sub>S</sub>, the emission factor) and by responsiveness of the emissio...

DOAJ Open Access (DOAJ) DOI: 10.5194/bg-7-2203-2010

Induced Local and Systemic Defense Responses in Tomato Underlying Interactions Between the Root-Knot Nematode Meloidogyne incognita and the Potato Aphid Macrosiphum euphorbiae

Crispus M. Mbaluto, Crispus M. Mbaluto, Esraa M. Ahmad, Anne Mädicke et al. • Frontiers in Plant Science (2021)

Plants mediate interactions between different herbivores that attack simultaneously or sequentially aboveground (AG) and belowground (BG) organs. The local and systemic activation of hormonal signaling pathways and the concomitant accumulat...

DOAJ Open Access (DOAJ) DOI: 10.3389/fpls.2021.632212

ESTIMATING THE GENETIC PARAMETERS OF YIELD AND YIELD COMPONENT TRAITS IN SQUASH (Cucurbita pepo, L.)

A. H. Abd El-Hadi, K. A. Zaied, Eman A. Abd El-Raziq • Journal of Agricultural Chemistry and Biotechnology (2013)

The main objective of this investigation was to determine the genetic parameters, heritability in both broad and narrow senses, combining abilities and correlation foryield and yield component traitsin squash (Cucurbita pepo, L.). For this ...

DOAJ Open Access (DOAJ) DOI: 10.21608/jacb.2013.53217

Analysis of Cathinone Alkaloids in Khat by HPLC-Q-TOF In-source Fragmentation Multistage Mass Spectrometry

SHI Hong-fei1, XU Bo-peng1, QUAN Yang-ke2, XU Cheng-xin1, ZHOU Xiu-qi1 • Zhipu Xuebao (2024)

Khat is a kind of common drug plant. Many experiments have shown that the content of cathinone norpseudoephedrine and norephedrine in some varieties of Khat are similar. However, some studies showed that there are differences in the intensi...

DOAJ Open Access (DOAJ) DOI: 10.7538/zpxb.2023.0065

Prevalence and factors associated with continual opioid use among patients attending methadone clinic at Mwananyamala Hospital, Dar Es Salaam, Tanzania

Asha Shabani Ripanda, Bajarang Bal Lal Srivastava, Said Hamad Vuai, Azan A Nyundo • Forensic Science International: Reports (2019)

Trends of continual drug use while under treatment have been reported worldwide. This paper assesses opioid use among patients receiving treatment in a methadone clinic for opioid addiction. A total of 126 urine samples were analyzed using ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.fsir.2019.100037

Detection Techniques for Synthetic Cannabinoids in Body Fluids and Tissues: A Systematic Review

Sachil Kumar, Tulsidas R. Baggi • Journal of Forensic Science and Medicine (2026)

Synthetic cannabinoids (SCs), originally developed for research purposes in the 1960s, have emerged as a significant concern in clinical and forensic toxicology due to their widespread abuse and unpredictable toxicological effects. These co...

DOAJ Open Access (DOAJ) DOI: 10.4103/jfsm.jfsm_128_25

Impact of Pressurized Liquid Extraction and pH on Protein Yield, Changes in Molecular Size Distribution and Antioxidant Compounds Recovery from Spirulina

Jianjun Zhou, Min Wang, Celia Carrillo, Zhenzhou Zhu et al. • Foods (2021)

The research aims to extract nutrients and bioactive compounds from spirulina using a non-toxic, environmentally friendly and efficient method—Pressurized Liquid Extraction (PLE). In this work, Response Surface Methodology (RSM)–Central Com...

DOAJ Open Access (DOAJ) DOI: 10.3390/foods10092153

Alterations in the gut microbiota and its metabolites contribute to metabolic maladaptation in dairy cows during the development of hyperketonemia

Zhengzhong Luo, Zhenlong Du, Yixin Huang, Tao Zhou et al. • mSystems (2024)

ABSTRACTMetabolic maladaptation in dairy cows after calving can lead to long-term elevation of ketones, such as β-hydroxybutyrate (BHB), representing the condition known as hyperketonemia, which greatly influences the health and production ...

DOAJ Open Access (DOAJ) DOI: 10.1128/msystems.00023-24

Analysis of the ex-vivo transformation of semen, saliva and urine as they dry out using ATR-FTIR spectroscopy and chemometric approach

Tanurup Das, Abhimanyu Harshey, Ankit Srivastava, Kriti Nigam et al. • Scientific Reports (2021)

Abstract The ex-vivo biochemical changes of different body fluids also referred as aging of fluids are potential marker for the estimation of Time since deposition. Infrared spectroscopy has great potential to reveal the biochemical changes...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-021-91009-5

Effect of Theaflavins-Soy Protein Isolate Complex Coating on the Quality of Lentinus edodes

Yu WANG, Peiyue ZHAO, Shicheng LEI, Yiyan YANG et al. • Shipin gongye ke-ji (2023)

In order to clarify the preservation effect of theaflavins-soy protein isolate complex coating on Lentinus edodes, a TFs-SPI complex coating agent was prepared by mixing theaflavins and soy protein isolate as subjects, and its structure was...

DOAJ Open Access (DOAJ) DOI: 10.13386/j.issn1002-0306.2022070074

Chemical Diversity of Fuzhuan Brick Teas from Hunan and Shaanxi

ZHANG Ning, YU Shilan, YAN Haoyi, ZHANG Yunjun, HAN Xiaoyu, REN Hongyu, CHEN Yuqing, LING Tiejun, AN Maoqiang • Shipin Kexue (2024)

This study aimed to explore the diversity of metabolites and compare the metabolite profiles of Fuzhuan brick teas from Hunan and Shaanxi, to find out the difference in chemical components between fresh tea leaves and Fuzhuan brick tea and ...

DOAJ Open Access (DOAJ) DOI: 10.7506/spkx1002-6630-20231108-066

ChsA, a Class Ⅱ Chitin Synthase, Contributes to Asexual Conidiation, Mycelial Morphology, Cell Wall Integrity, and the Production of Enzymes and Organic Acids in <i>Aspergillus niger</i>

Yunqi Zhu, Tong Liu, Yingsi Wang, Guojun Chen et al. • Journal of Fungi (2023)

Chitin synthases (CHSs) are vital enzymes for the synthesis of chitin and play important and differential roles in fungal development, cell wall integrity, environmental adaptation, virulence, and metabolism in fungi. However, except for Ch...

DOAJ Open Access (DOAJ) DOI: 10.3390/jof9080801

Effects of Hot Air-drying and Vacuum Freeze-drying on Flavor Components in Different Parts of Hericium erinaceus

Yihang ZHANG, Donglu FANG, Lei ZHONG, Qiuhui HU et al. • Shipin gongye ke-ji (2022)

In order to explore the changes of flavor characteristics of Hericium erinaceus before and after drying, the effects of hot air-drying and vacuum freeze-drying on flavor components of pileus and stipe of H. erinaceus were studied using high...

DOAJ Open Access (DOAJ) DOI: 10.13386/j.issn1002-0306.2021070247

Nordiske sundhedsfremmende perspektiver på ældre menneskers deltagelse og tryghed

Marianne Mahler, Anne Clancy, Aud Johannessen, Johanne Lind et al. • Nordisk Tidsskrift for Helseforskning (2020)

Nordic Health Promotion Perspectives on Older Adults Participation and Sense og Security Demographic changes and the growing elderly population in Scandinavia provide an incentive to study Health Ageing in the Nordic Countries. The chose...

DOAJ Open Access (DOAJ) DOI: 10.7557/14.5176