Negative / Null Result ReportMedicine
Li HM, Flett GL, Cao CH et al. · 2026 · Journal of youth and adolescence
Although cross-sectional research links mattering to reduced adolescent loneliness, longitudinal studies examining temporal dynamics and distinctions between analytical levels or mattering dimensions are scarce. Without understanding…
View details →Negative / Null Result Report
Zhao J, Verschuere B, Wiechert S · 2025 · Preprint
Whether people can actively suppress unwanted thoughts is highly controversial. Anderson and Green (2001) developed the Think/No-Think (TNT) task and found that suppressing a memory reduces later recall, referred to as the…
View details →Negative / Null Result ReportMedicine
Ying Y, Meng R, Xu J et al. · 2026 · The journals of gerontology. Series B, Psychological sciences and social sciences
Objectives The associations between insomnia symptoms and internalizing symptoms are well-established, particularly in older adults; however, the mediating factors remain inconsistent. This study seeks to explore the longitudinal…
View details →Negative / Null Result ReportMedicine
Waks JW, Poulin MF, Clarke JD et al. · 2026 · JAMA cardiology
Importance Transcatheter aortic valve replacement (TAVR) to treat aortic stenosis is complicated by heart block requiring permanent pacemaker implantation in at least 10% of cases. Objectives To better understand mechanisms underlying…
View details →Negative / Null Result Report
Nayman S, Del Din J, Ríos MB et al. · 2025 · Preprint
BackgroundEmerging evidence indicates perimenstrual exacerbation of Attention-Deficit/Hyperactivity Disorder (ADHD) in females and reduced perceived stimulant responsiveness during the luteal phase. Prospective clinical studies jointly…
View details →Negative / Null Result ReportMedicine
Zhou DD, Lord SJ, Lin FP et al. · 2026 · Lung cancer (Amsterdam, Netherlands)
Background In NSCLC, TP53 mutations are heterogeneous with varied effects on protein synthesis, function and clinical outcomes. We hypothesize that a refined classification of TP53 mutations, beyond binary categorization, could improve…
View details →Negative / Null Result ReportMedicine
Peckler GL, Adcock SJJ · 2025 · Research in Veterinary Science
Mastitis is a major concern in sheep farming. Detecting subclinical mastitis, which manifests without apparent signs, is particularly challenging. While somatic cell count (SCC) and the California Mastitis Test (CMT) are widely used in…
View details →Negative / Null Result ReportMedicine
Coşkun Yaş S, Üçöz Kocaşaban D, Güler S et al. · 2026 · Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia
Optic nerve sheath diameter (ONSD) measurement is a non-invasive marker of intracranial pressure. Its role in predicting post-thrombolytic intracranial hemorrhage in acute ischemic stroke patients remains unclear. This study aimed to…
View details →Negative / Null Result ReportMedicine
Kim J, Lee YY, Kim TJ et al. · 2026 · International journal of gynecological cancer : official journal of the International Gynecological Cancer Society
Objective Sarcopenia is a known adverse prognostic factor in gastrointestinal cancers undergoing bowel resection; however, its prognostic relevance in epithelial ovarian cancer remains unclear. This study aimed to evaluate the prognostic…
View details →Negative / Null Result Report
Kuhlmann BG, Shakoor S, Schicker LA et al. · 2025 · Preprint
While it is well-established that sleep benefits episodic memory, most evidence is on younger adults. The current study examined sleep benefits in older adults and chose spatial source memory as a target measure for which a recent study in…
View details →Negative / Null Result ReportMedicine
Liang J, Pillai T, Chopra S et al. · 2025 · Aesthetic surgery journal
Background Utilization of glucagon-like peptide-1 receptor agonists (GLP-1ras) has increased dramatically in recent years. Although GLP-1ras appear safe to use overall, it remains unclear whether preoperative GLP-1ra use impacts body…
View details →Negative / Null Result ReportMedicine
Jourde HR, Ujevco A, Coffey EBJ · 2025 · NeuroImage
Slow oscillations and sleep spindles are neural events that both occur during non-rapid eye movement sleep and are implicated in sleep-dependent memory consolidation. Their temporal co-occurrence, or 'coupling', is thought to support…
View details →Negative / Null Result ReportMedicine
Mehari KR, Schuler KR, Haiflich A et al. · 2025 · Violence and victims
This study examined the implementation of a state law in the southern United States that required hospitals to report gunshot wounds (GSWs) to law enforcement by exploring changes in the proportion of reported GSW cases in a level 1 trauma…
View details →Negative / Null Result Report
Gago T, Sargisson RJ, Milfont TL · 2025 · Preprint
Despite being an important mental health consequence of climate change, climate anxiety assessment has been fragmented. Reviews of measures of climate anxiety raise concerns about content and convergent validity. We aimed to select the…
View details →Negative / Null Result ReportMedicine
Hernández L, Williamson TM, Campbell T et al. · 2025 · The Canadian journal of cardiology
Background Cardiac rehabilitation (CR) participation improves depressive and anxious symptoms post-coronary catheterization, yet it is unclear to what extent improvements are clinically significant. This study characterized the proportion…
View details →Negative / Null Result Report
Bagchi A, Sengupta S, Ghosh P et al. · 2026 · Preprint
Abstract Background Rheumatoid arthritis (RA) is associated with inflammation, oxidative stress along with infiltration of immune cells (~ 90% neutrophils) into inflamed joints. Neutrophils have demonstrated the ability to…
View details →Negative / Null Result ReportMedicine
Ivanov YV, Kartashov AV, Ivanova AI et al. · 2026 · Functional plant biology : FPB
Global climate change is accompanied by an increase in the frequency and severity of droughts, which negatively impact plant growth. One of the protective mechanisms that allows plants to withstand the negative drought effects is the…
View details →Negative / Null Result Report
Kalluri VS, Kalluri R · 2026 · Preprint
Tumstatin and Endostatin are endogenous extracellular matrix-derived inhibitors of angiogenesis generated from the non-collagenous domains of type IV and type XVIII collagens, respectively. Although both molecules suppress angiogenesis and…
View details →Negative / Null Result Report
Mbaluto CM, Martinez-Goni XS, Tripathi A et al. · 2026 · Preprint
Cereal grafting using embryonic tissues has recently become technically feasible; however, the physiological consequences of cereal grafting remain uncharacterized. We systematically evaluate photosynthetic performance and stomatal…
View details →Negative / Null Result Report
Segura-Chama P, Hernández VS, Zhang L · 2026 · Preprint
Adrenal chromaffin cells are key effectors of the sympathoadrenal response and play a central role in physiological adaptation to stress. While acetylcholine and pituitary ad-enylate cyclase-activating polypeptide (PACAP) are recognized…
View details →Negative / Null Result Report
Chan A, Freschi L, de-Pinna GFAM · 2026 · Preprint
Abstract Leaf sheaths in monocotyledons may be open or closed, yet the developmental regulation of sheath margins remains unclear in Commelinaceae, a family with closed sheaths. This study investigated the morphogenesis of leaf sheaths in…
View details →Negative / Null Result ReportMedicine
Lanham BS, Morris RL · 2026 · Marine environmental research
The strength of biotic stressors (i.e., predation) can determine the success of shellfish reef restoration projects. In recruitment limited systems where seeding is a common restoration strategy, ensuring the survival of seeded individuals…
View details →Negative / Null Result ReportMedicine
Turner KM, Svegborn A, Robbins TW · 2026 · Psychopharmacology
Rationale Recent research on habits and skills has produced a wave of new theories regarding the shift in control from medial to lateral regions of the dorsal striatum, and how these regions are implicated in the selected and executed of…
View details →Negative / Null Result ReportMedicine
Straszewski A, Troyer S, Boyer MI et al. · 2026 · The Journal of hand surgery
Purpose Routine practices without a clear impact on patient care merit continuous reassessment. This retrospective study evaluated the value of routine histopathologic and culture analysis in patients who underwent flexor or extensor…
View details →Negative / Null Result ReportMedicine
Fang SH, Chiang MR, Li CY et al. · 2026 · Journal of muscle research and cell motility
Physical activity induces rapid myokine and metabolic responses in skeletal muscle, yet the immediate cellular adaptations to short-duration contractile activity remain incompletely defined. C2C12 myotubes were exposed to electrical pulse…
View details →Negative / Null Result ReportMedicine
Wong R, Robertson R, Meylakh N et al. · 2026 · Neurophysiologie clinique = Clinical neurophysiology
Objectives Electroencephalographic (EEG) studies suggest chronic migraine (CM) is associated with increased global power, especially in somatosensory cortex. Furthermore, recent studies suggest chronic pain is associated with a reduced…
View details →Negative / Null Result ReportMedicine
Lopes FM, Bantounas I, Sarov A et al. · 2026 · Nephron
Introduction Human fetal kidneys contain macrophages, innate immune cells postulated to enhance their development. Macrophages have also been implicated in the pathobiology of human kidney malformations and Wilms tumour. Human pluripotent…
View details →Negative / Null Result ReportMedicine
Prins PJ, Buga A, Storoschuk K et al. · 2026 · Journal of the American Nutrition Association
Background Exogenous ketone supplementation acutely elevates circulating beta-hydroxybutyrate ( R -BHB), but the impact of chronic repeated dosing on exercise performance, cognition, mood, and cardiometabolic health remains unclear.…
View details →Negative / Null Result ReportMedicine
Lee HW, Harris AN, Wall SM et al. · 2026 · American journal of physiology. Renal physiology
Hypokalemia activates intercalated cell acid secretion, but because hypokalemia is typically associated with metabolic alkalosis, this activation cannot be ascribed to extracellular pH. Metabolic acidosis induces responses similar to those…
View details →Negative / Null Result ReportMedicine
King JL, Effinger DP, Basquez-Pfeifer C et al. · 2026 · Translational psychiatry
The head-twitch response (HTR) is widely used as a preclinical assay for the hallucinogenic potential of compounds, with its utility based on 5HT 2A R activation. Here, we examine how the polypharmacological agonists lisuride and lysergic…
View details →