Negative / Null Result ReportMedicine
Burgazli AY, Avuloglu Yilmaz E, Mamur S et al. · 2026 · Toxicology mechanisms and methods
Hyperoside (HYP), a plant-derived flavonoid, was evaluated for its cytotoxic, anti-cancer, genotoxic, antigenotoxic, and antioxidant properties, and potential mechanisms of action using an integrated in vitro and in silico approach.…
View details →DOI: 10.1080/15376516.2026.2691542 Negative / Null Result ReportMedicine
Wu Y, Zhu L, Lin G et al. · 2026 · Bioresource technology
Antibiotic resistance genes (ARGs) are an increasing environmental and public health concern in wastewater treatment systems due to their persistence, mobility, and links to human bacterial pathogens (HBPs). In this study, aerobic…
View details →DOI: 10.1016/j.biortech.2026.135253 Negative / Null Result ReportMedicine
Li H, Zhao B, Wang J et al. · 2026 · Theriogenology
Ovum pick-up and in vitro embryo production (OPU-IVP) in Holstein cows is influenced by donor characteristics, yet quantitative selection criteria for optimizing oocyte developmental competence remain limited. In this study, data from 600…
View details →DOI: 10.1016/j.theriogenology.2026.118033 Negative / Null Result ReportMedicine
Vukovic V, Karan-Djurasevic T, Antic D et al. · 2026 · Biomolecules & biomedicine
Fludarabine treatment in patients with chronic lymphocytic leukemia (CLL) has been associated with immune dysregulation and the development of autoimmune hemolytic anemia (AIHA). Prior research indicates a potential correlation between the…
View details →DOI: 10.17305/bb.2026.14208 Negative / Null Result ReportMedicine
Gutierrez AM, Robinson JO, Allen-Rhoades WA et al. · 2026 · Pediatric blood & cancer
Background Decision-making (DM) dynamics between adolescents and young adults (AYAs) with cancer, parents, and oncologists remain underexplored in diverse populations. We examined cancer treatment DM preferences among an ethnically and…
View details →DOI: 10.1002/1545-5017.70235 Negative / Null Result Report
Barros C, Fernandes C, Baylina P · 2026 · Preprint
In the healthcare sector, burnout has become a critical concern due to the combination of high job demands and sustained emotional strain. The present study aims to analyze whether emotional intelligence moderates the relationship between…
View details →DOI: 10.20944/preprints202605.1095.v1 Negative / Null Result ReportMedicine
Halawi H, Matar A, Wang I et al. · 2026 · American journal of physiology. Gastrointestinal and liver physiology
Visceral hypersensitivity is a pivotal mechanism in pain associated with irritable bowel syndrome (IBS). Calcitonin gene-related peptide (CGRP) is expressed by visceral afferents. The aim of this study was to evaluate the efficacy of…
View details →DOI: 10.1152/ajpgi.00394.2025 Negative / Null Result ReportMedicine
Wan L, Xie B, Shuda M et al. · 2026 · Molecular therapy : the journal of the American Society of Gene Therapy
CD8+ T cell targeting of the conserved SARS CoV2 RNA-dependent RNA polymerase (RdRp, nsp12) may offer a means for cross-protection against diverse coronavirus strains. Native RdRp, however, displays primary sequence immunoevasion (PSI)…
View details →DOI: 10.1016/j.ymthe.2026.06.027 Negative / Null Result Report
Obaji D, Kim J, Olagbegi Y et al. · 2026 · Preprint
Transcription factor IIIC (TFIIIC) is a multi-subunit protein complex that recruits RNA polymerase III (Pol III) to the majority of its target genes. Evolutionarily conserved overlap between TFIIIC binding sites and the structural…
View details →DOI: 10.64898/2026.04.27.721182 Negative / Null Result ReportMedicine
Abbasi D, Schall M, Acosta-Sojo Y et al. · 2026 · Applied ergonomics
Shoulder disorders have been associated with repetitive overhead work and manual lifting. Passive exoskeletons may reduce exposure to physical risk factors associated with shoulder injuries. This repeated-measures study evaluated the…
View details →DOI: 10.1016/j.apergo.2026.104809 Negative / Null Result ReportMedicine
Ma Z, Cao W, Zhang J et al. · 2026 · Neuroreport
Background γ-Aminobutyric acid (GABA) is essential for the central sedative/hypnotic actions of ethanol. The tuberomammillary nucleus (TMN), the exclusive source of forebrain histaminergic innervation, functions as the principal arousal…
View details →DOI: 10.1097/wnr.0000000000002276 Negative / Null Result ReportMedicine
Sugawara K, Yagi K, Yajima S et al. · 2026 · International journal of clinical oncology
Purpose We aimed to evaluate the outcomes of transmediastinal esophagectomy (TME) for esophagogastric junction cancer (EGJC) patients. Methods We retrospectively reviewed patients who underwent TME for EGJC (Siewert Type II) between 2018…
View details →DOI: 10.1007/s10147-026-03068-1 Negative / Null Result ReportMedicine
Li Y, Chen W, Hill R et al. · 2026 · European clinical respiratory journal
Asthma is a chronic respiratory condition that can be managed using Single Maintenance and Reliever Therapy (SMART) or traditional therapy with inhaled corticosteroid (ICS)-long-acting beta-agonist (LABA) for maintenance and short-acting…
View details →DOI: 10.1080/20018525.2026.2683007 Negative / Null Result ReportMedicine
Cosenza M, Fabbri M, Pizzini B et al. · 2026 · Journal of gambling studies
Adolescence represents a critical developmental period for the emergence of maladaptive gambling behaviors, including loss chasing, a key marker of gambling-related harm. The present study provides the first behavioral examination of the…
View details →DOI: 10.1007/s10899-026-10516-0 Negative / Null Result ReportMedicine
Vidon M, Wang X, Costes L et al. · 2026 · Clinics and research in hepatology and gastroenterology
Background and study aims Educational interventions have been proposed to improve adherence to bowel preparation instructions. We evaluated whether adding a short instructional video to standard written and oral information improves bowel…
View details →DOI: 10.1016/j.clinre.2026.102860 Negative / Null Result ReportMedicine
Ahmed ME, Mahjoub SMAH, Adam SIY · 2026 · Tropical animal health and production
This study evaluated the effects of partially replacing groundnut cake with soaked chickpea (Cicer arietinum L.) seeds, with or without enzyme supplementation, on growth performance, carcass traits, serum biochemical indices, and…
View details →DOI: 10.1007/s11250-026-05146-y Negative / Null Result Report
Ren X, Wu Q, Zhao M et al. · 2026 · Preprint
This research aimed to determine the effects of replacing ryegrass (Lolium perenne L.) with licorice residue (LR) on growth performance, slaughtering performance, meat quality, serum biochemistry and cecal flora. Five pelleted rations were…
View details →DOI: 10.20944/preprints202605.1776.v1 Negative / Null Result Report
Uğurlu T, Sağlam BC, Koçak S et al. · 2026 · Preprint
Abstract Background The aim of this in vitro study was to examine the effects of different glide path files on root canal transportation and centering in curved root canals. Methods In this study, 33 mandibular first molars with a 10 mm…
View details →DOI: 10.21203/rs.3.rs-9516903/v1 Negative / Null Result Report
Alqantash AH, Alshehri SM, Almalki AA et al. · 2026 · Preprint
Abstract Background Medical students, as future healthcare providers, must possess a comprehensive understanding of medication safety during pregnancy to prevent teratogenic risks and ensure maternal health. Knowledge gaps in this area can…
View details →DOI: 10.21203/rs.3.rs-9666557/v1 Negative / Null Result ReportMedicine
Thapa K, R Iyer A, A Cruz-Gonzalez M et al. · 2026 · Journal of racial and ethnic health disparities
Background Refugees often experience disruptions in social networks after resettlement. This study examined associations between bonding (within-group) and bridging (across-group) social capital and self-rated health among resettled U.S.…
View details →DOI: 10.1007/s40615-026-03052-5 Negative / Null Result Report
Kozakoğlu F, Gürses M · 2026 · Preprint
Abstract Objectives: This study aimed to evaluate the 1-year clinical performance of Ribbond-reinforced direct composite restorations placed in different orientations in endodontically treated posterior teeth. Materials and Methods: This…
View details →DOI: 10.21203/rs.3.rs-9242123/v1 Negative / Null Result ReportMedicine
Mathiesen KK, Rasmussen JH, Channir H et al. · 2026 · Acta oto-laryngologica
Background Cancer of unknown primary (CUP) is diagnostically challenging. Diagnostic strategy remains controversial. Aim The aim of this retrospective study was to evaluate the diagnostic value of FDG-PET/CT and MRI in detecting primary…
View details →DOI: 10.1080/00016489.2025.2612018 Negative / Null Result Report
Vega MM, Roberts MD, Goble DJ et al. · 2026 · Preprint
Abstract Background Aging is associated with increases in fat mass (FM) and decreases in fat-free mass (FFM), yet whether these indices independently predict force plate-derived postural sway and low-frequency postural oscillations remains…
View details →DOI: 10.21203/rs.3.rs-9763487/v1 Negative / Null Result ReportMedicine
Abdulameer HS, Zarrinkavyani K, Fathi M et al. · 2026 · Poultry science
Transport of day-old chicks is a major concern in the poultry industry, as it induces stress that can impair performance and health. This study investigated whether xylazine, an alpha-2 adrenergic agonist that reduces metabolic rate, could…
View details →DOI: 10.1016/j.psj.2026.107191 Negative / Null Result ReportMedicine
Rutkūnas V, Kubilius A, Akulauskas M et al. · 2026 · Journal of dentistry
Objectives This in vitro study evaluated the accuracy of digital impressions for full-arch implantsupported restorations by assessing scan body (SB) positional accuracy and inter-arch registration under different intraoral scanners (IOS)…
View details →DOI: 10.1016/j.jdent.2026.106802 Negative / Null Result Report
M MM, M G, R R et al. · 2026 · Preprint
Background: Vitamin D optimizes musculoskeletal function and athletic performance, yet optimal supplementation protocols remain unclear. Methods: In this double-blind RCT, 18 professional female soccer players were randomized during autum…
View details →DOI: 10.20944/preprints202605.0091.v1 Negative / Null Result ReportMedicine
Miyahara Y, Nagel R, Frieß W · 2026 · Journal of pharmaceutical sciences
Dissolved oxygen (DO) has been proposed to influence protein stability during freeze-thaw (F/T) processing, yet its direct impact remains unclear. This study evaluated whether DO levels or vacuum degassing affect the stability of human…
View details →DOI: 10.1016/j.xphs.2026.104316 Negative / Null Result ReportMedicine
Rawal R, Thyagarajan A, Sahu RP · 2026 · Medical sciences (Basel, Switzerland)
Background/objectives Non-small cell lung cancer (NSCLC) is a leading cause of cancer-related mortality, driven by invasive behavior and frequent resistance to systemic therapies. Epidermal growth factor receptor tyrosine kinase inhibitors…
View details →DOI: 10.3390/medsci14020301 Negative / Null Result ReportMedicine
Ikawa D, Miura A, Miyata K et al. · 2026 · Scientific reports
Manual support and interpersonal interaction can enhance postural stability during upright standing, yet it remains unclear how tactile and visual interactions influence the temporal organization of postural control. We used a 2 × 2…
View details →DOI: 10.1038/s41598-026-49999-7 Negative / Null Result ReportMedicine
Yin Y, Li C, Feng Y et al. · 2026 · Veterinary sciences
This study investigated the effects of composite postbiotic preparation on the growth performance, immune function, and microbiota composition of Nubian black goats. Thirty healthy Nubian black goats with similar body weights were randomly…
View details →DOI: 10.3390/vetsci13060599 