Negative / Null Result ReportMedicine
Wang NN, Luo CJ, Liu LG et al. · 2026 · Ying yong sheng tai xue bao = The journal of applied ecology
Litter decomposition is a core process regulating the formation and stability of soil organic carbon. Under the background of climate warming, the intrinsic mechanisms by which the expansion of alpine shrubs affects carbon balance of…
View details →DOI: 10.13287/j.1001-9332.202606.011 Negative / Null Result Report
Sanei A, Asgarian FS, Ebrahiminezhad M · 2026 · Preprint
Abstract Background The lack of studies and sometimes conflicting results in this field, has required that this study be conducted with the aim of improving treatment results in dental health care system. Methods The present study was…
View details →DOI: 10.21203/rs.3.rs-8080200/v1 Negative / Null Result Report
Suarez-Baquero DE, Boido D, Assali A et al. · 2026 · Preprint
Abstract In brain gray matter, neurovascular coupling (NVC) maintains brain metabolism homeostasis by modulating blood flow according to neuronal activity. In white matter, the energy cost of information transmission along myelinated axons…
View details →DOI: 10.21203/rs.3.rs-9086876/v1 Negative / Null Result Report
Tan X, Ding Z · 2026 · Preprint
Astrocytes are the most abundant glial cells in the brain and an integrative component of the neural network. Studies have shown that ethanol altered expression of an astrocyte marker, i.e., glial fibrillary acidic protein (GFAP), in two…
View details →DOI: 10.64898/2026.03.10.710881 Negative / Null Result ReportMedicine
Gokdemir MT, Gokdemir GS · 2026 · BMC infectious diseases
Background Studies have reported that the Coronavirus Disease 2019 (COVID-19) vaccine causes other serious health problems, including myocarditis, pericarditis, neurological problems, and problems resulting from the reactivation of chronic…
View details →DOI: 10.1186/s12879-026-13542-w Negative / Null Result ReportMedicine
Shehata MA, Khirallah MG, Al Nafesa A et al. · 2026 · Pediatric surgery international
Purpose To evaluate whether routine omentectomy improves outcomes during laparoscopic placement of peritoneal dialysis (PD) catheters in children. Methods This multicenter retrospective study included children ≤ 5 years who underwent…
View details →DOI: 10.1007/s00383-026-06464-w Negative / Null Result ReportOpen accessMedicine
Matsuoka C, Takatama N, Muraoka T et al. · 2026 · Genes and environment : the official journal of the Japanese Environmental Mutagen Society
Background Previous research using the Ames assay showed that licoricidin (LCD) and isoliquiritigenin (ILTG) can block mutations caused by N-methyl-N-nitrosourea (MNU) in Salmonella typhimurium (S. typhimurium) TA1535. With the aim to…
View details →DOI: 10.1186/s41021-026-00361-3 Negative / Null Result ReportOpen accessMedicine
Loayza J, Taylor CJL, Renstrom JG et al. · 2026 · eNeuro
Tourette syndrome (TS) has been linked to reduced GABAergic inhibition, the so-called neural disinhibition, in the dorsal striatum. Dorsal striatal neural disinhibition in animal models, caused by local microinfusion of GABA-A receptor…
View details →DOI: 10.1523/eneuro.0068-26.2026 Negative / Null Result ReportMedicine
Caenepeel C, Deleu S, Vazquez Castellanos JF et al. · 2025 · Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association
Background & aims Rigorous donor preselection on microbiota level, strict anaerobic processing, and repeated fecal microbiota transplantation (FMT) administration were hypothesized to improve FMT induction of remission in ulcerative…
View details →DOI: 10.1016/j.cgh.2024.05.017 Negative / Null Result ReportOpen accessMedicine
Gathirua-Mwangi W, Martin H, He D et al. · 2025 · The oncologist
Background Real-world data are limited for patients with brain metastases secondary to metastatic breast cancer (MBC) and treated with cyclin-dependent kinase 4/6 inhibitors (CDK4/6i). This study describes real-world outcomes in patients…
View details →DOI: 10.1093/oncolo/oyae274 Negative / Null Result ReportMedicine
Ogasawara F, Minami Y, Chi S et al. · 2026 · International journal of hematology
Mutant TP53 (mTP53) variants are diverse, and residual wild-type p53 function (functional, non-functional), gain-of-function (GOF) mTP53, and the number of mTP53 (single-hit, multi-hit) can affect prognosis. We used next-generation…
View details →DOI: 10.1007/s12185-026-04192-4 Negative / Null Result Report
Galvan M, Fujitani M, Dushime J et al. · 2026 · Preprint
β2-Adrenergic receptor ( Adrβ2 ) is the most abundant form of adrenergic receptors in skeletal muscle. Our previous studies have shown that the ventromedial hypothalamic nucleus (VMH) regulates metabolic benefits of exercise, potentially…
View details →DOI: 10.64898/2026.03.27.714812 Negative / Null Result ReportMedicine
Fattahi Z, Talakesh T, Kheiri S et al. · 2026 · Recent advances in inflammation & allergy drug discovery
Introduction/objective In children affected by allergic proctocolitis, impaired weight gain and developmental failure to thrive can be a prominent manifestation. However, it remains unclear whether the association between White Blood Cell…
View details →DOI: 10.2174/0127722708469650260417115846 Negative / Null Result ReportMedicine
Baillon A, Bleichrodt H, Granic GD · 2026 · Medical decision making : an international journal of the Society for Medical Decision Making
BackgroundHealth state utility measurements are central in health policy and medical decision making. Common methods are the standard gamble (SG) and the time tradeoff (TTO). They typically use hypothetical questions. It is unknown whether…
View details →DOI: 10.1177/0272989x261423884 Negative / Null Result ReportMedicine
Kim DI, Lagravère MO, Almeida F et al. · 2026 · The Angle orthodontist
Objectives To characterize functional changes of the airway while wearing an appliance simulating severe arch constriction using level 3 polysomnography. Materials and methods For this pilot, single-blinded prospective randomized…
View details →DOI: 10.2319/051925-396.1 Negative / Null Result Report
Fröhlich F, Mentesana L, Deimel C et al. · 2026 · Preprint
Capturing and handling wild animals is essential for ecological and evolutionary research, yet their effects on physiology, behaviour, and reproductive success remain poorly understood. We investigated short-and longer-term consequences of…
View details →DOI: 10.64898/2026.03.17.712382 Negative / Null Result Report
Zheng Y, Chen L · 2026 · Preprint
Perceptual processing integrates information from multiple sensory modalities to form a coherent representation of the environment. A classic example of such is the Sound-Induced Flash Illusion (SIFI), where the perceived number of visual…
View details →DOI: 10.64898/2026.02.19.706740 Negative / Null Result ReportMedicine
Nakamura M, Nishioka Y, Akamatsu N et al. · 2026 · Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society
Biliary cast syndrome (BCS) remains a significant concern that can lead to graft failure and mortality. Data on the etiology and outcomes are limited, particularly with regard to the differences in the risk of occurrence of BCS between…
View details →DOI: 10.1097/lvt.0000000000000872 Negative / Null Result ReportMedicine
Bottura RM, Fassone M, Avanzino L et al. · 2026 · Neuroscience
Previous studies on motor imagery (MI) suggest that the more similar the imagined and actual movement contexts are, the better the imagery quality. Thus, one might hypothesize that for movements performed within a medium, MI is more…
View details →DOI: 10.1016/j.neuroscience.2026.04.010 Negative / Null Result Report
Ullah S, Subhan G, Shakir L et al. · 2026 · Preprint
Abstract Allelopathy involves the release of bioactive compounds from plants that influence the germination and growth of surrounding species. Limited evidence exists on the allelopathic effects of common weeds on wheat germination. This…
View details →DOI: 10.21203/rs.3.rs-9212354/v1 Negative / Null Result ReportMedicine
Ganeyan A, Ganesh CB · 2026 · Neuropeptides
Galanin (GAL), a neuropeptide produced in both the central and peripheral nervous systems, is implicated in various physiological processes, including reproduction in vertebrates. Yet, the role of GAL is not understood in reptilian…
View details →DOI: 10.1016/j.npep.2026.102614 Negative / Null Result ReportMedicine
Alencar TS, Santos MO, Schneider VMM et al. · 2026 · Brain research
Systemic inflammation triggers a set of physiological and behavioral changes known as sickness behavior, including fever and hypolocomotion. Previous studies demonstrated that lipopolysaccharide (LPS) induces these responses in both sexes,…
View details →DOI: 10.1016/j.brainres.2026.150417 Negative / Null Result ReportOpen accessMedicine
Fonseca AJM, Cabrita ARJ · 2026 · JDS communications
This study evaluated the effects of replacing soybean hulls with exhausted olive pomace (EOP) on feed intake, milk production and composition, and rumen fermentation parameters. A cyclical changeover design experiment was used with 4…
View details →DOI: 10.3168/jdsc.2025-0932 Negative / Null Result ReportMedicine
Muroi M, Fukuda S, Takahashi M et al. · 2026 · The Journal of reproduction and development
Our previous study in hamsters indicated that progesterone (P) induces enhancement of spermatozoal hyperactivation, while 17β-estradiol (Eβ) and γ-aminobutyric acid (GABA) suppress this enhancement. Since P has also been shown to enhance…
View details →DOI: 10.1262/jrd.2025-106 Negative / Null Result ReportMedicine
De Bruyn L, Van Beek F, Vander Perre S et al. · 2026 · Molecular and cellular endocrinology
Background Sepsis HDL- and LDL-hypocholesterolemia associate with adverse outcomes, but whether this necessitates supplementation or merely reflects disease severity remains unclear. We hypothesize that sustained hypocholesterolemia can…
View details →DOI: 10.1016/j.mce.2026.112848 Negative / Null Result ReportMedicine
Gao J, Savegnago CG, Marins TN et al. · 2026 · Journal of dairy science
This study evaluated the effects of different vaccination schedule and oral administrating a nonsteroidal anti-inflammatory drug (NSAID) around dry-off on systemic inflammation, immune responses, behaviors during the early dry period, and…
View details →DOI: 10.3168/jds.2026-28261 Negative / Null Result ReportMedicine
Gackowska K, Krejmer-Rabalska M, Drazkowska K et al. · 2025 · Virology
Virus-like particles (VLPs) have long been utilized as immunogens to prevent infectious diseases. Particles derived from the small surface proteins of the hepatitis B virus (sHBsAg) can self-assemble into small, highly immunogenic…
Negative / Null Result ReportMedicine
Hashimoto N, Wakimoto Y, Kusama T et al. · 2026 · Therapeutic drug monitoring
Background Pycsim, a dosing software for linezolid (LZD) based on Bayesian estimation, predicts dosing in the therapeutic drug monitoring (TDM) of LZD. However, its predictive performance, examined using an independent data set with a…
View details →DOI: 10.1097/ftd.0000000000001468 Negative / Null Result Report
Ching ASM, Kim J, Davis C · 2025 · Preprint
This preregistered study investigated whether linguistic information can influence low-level visual perception. We argue that many previous studies supporting this view have significant shortcomings. Specifically, these studies conflate…
View details →DOI: 10.31234/osf.io/7erj2_v3 Negative / Null Result ReportMedicine
Lou Y, Yang T, Xia C et al. · 2026 · Molecular and cellular endocrinology
Steroid hormone synthesis in granulosa cells (GCs) is crucial for normal follicular development and ovulation. Emerging evidence suggests that copper (Cu), a trace element, influences hormone secretion in yak granulosa cells (YGCs);…
View details →DOI: 10.1016/j.mce.2026.112812 