Replication FailureMedicine
Jeremic M, Jovanovic-Tucovic M, Martinovic T et al. · 2026 · Neurotoxicology
The mechanistic target of rapamycin complex 2 (mTORC2), a key regulator of cellular metabolism, growth, and survival, remains poorly characterized in the context of dopaminergic neurotoxicity. In this study, we investigated the role of…
View details →DOI: 10.1016/j.neuro.2026.103497 Replication FailureMedicine
Abdelmenam DS, Elshahawy WM, Ahmed RK · 2026 · Odontology
This study aimed to assess the effect of incorporating sodium fluoride (NaF) into an adhesive system on the microtensile bond strength of ceramic occlusal veneers. Eighty resin-dentin sticks (~ 1 mm 2 ) were obtained from 20 upper first…
View details →DOI: 10.1007/s10266-026-01374-8 Negative / Null Result Report
Nicholas M, Ianssen M, Costa D et al. · 2026 · Preprint
Abstract Purpose Psychosocial factors have been identified as risks for delayed recovery after work injuries but results from interventions for high-risk cases have been mixed. An earlier Australian study that matched care to assessed…
View details →DOI: 10.21203/rs.3.rs-9422704/v1 Negative / Null Result ReportMedicine
Hajj-Boutros G, Faust A, Mastrandrea C et al. · 2026 · Experimental physiology
Bed rest accelerates bone loss and may exacerbate skeletal fragility. This study examined the effects of 14 days of head-down tilt bed rest (HDBR) with or without exercise, and subsequent recovery, on bone turnover, density and structure…
View details →DOI: 10.1113/ep093753 Negative / Null Result ReportMedicine
Cuadro R, Borrajo CI, Marino MA et al. · 2026 · European Journal of Agronomy.
Nitrogen (N) and phosphorus (P) deficiencies commonly limit plant growth in agroecosystems. While critical N concentration (Nc) dilution curves are widely used to assess the N status of crops and pastures, it remains unclear whether Nc…
Negative / Null Result ReportMedicine
Zhao Y, Ma Y, Fan Y et al. · 2023 · Lung cancer (Amsterdam, Netherlands)
Purpose This study aimed to evaluate the efficacy and safety of cadonilimab (anti PD-1 and CTLA-4 bispecific antibody) in patients with previously treated metastatic non-small-cell lung cancer (NSCLC). Methods In this multicenter,…
View details →DOI: 10.1016/j.lungcan.2023.107355 Negative / Null Result ReportOpen accessMedicine
Karavia EA, Pittaras A, Andreopoulou O et al. · 2026 · Pharmaceuticals (Basel, Switzerland)
Background/Objectives: Non-alcoholic fatty liver disease (NAFLD), recently redefined as metabolic dysfunction-associated steatotic liver disease (MASLD), represents a growing global health burden closely linked to obesity, insulin…
View details →DOI: 10.3390/ph19040605 Negative / Null Result ReportOpen accessMedicine
Limon D, Bokstein F, Blumenthal DT et al. · 2026 · Neuro-oncology advances
Background Tumor-treating fields (TTFields) have demonstrated efficacy in newly diagnosed glioblastoma (ndGBM) when combined with adjuvant temozolomide (TMZ). Preclinical studies suggest that TTFields enhance the therapeutic effect of…
View details →DOI: 10.1093/noajnl/vdag106 Negative / Null Result ReportMedicine
Chen B, Wang Q, Xue X et al. · 2026 · NPJ biofilms and microbiomes
Autism spectrum disorder (ASD) is a complex neurodevelopmental condition arising from interactions between genetic and environmental factors. The interplay between the microbiota-gut-brain axis and epigenetics has been implicated in ASD,…
View details →DOI: 10.1038/s41522-026-01041-4 Negative / Null Result ReportMedicine
Takeuchi H, Akiba Y, Van Quang N et al. · 2026 · Journal of prosthodontic research
Purpose Osseointegration begins at the initial blood-implant contact; however, titanium-adhesive blood proteins remain incompletely defined. We used a structure-free, nano-smooth titanium substrate (Ra ≈ 0.6 nm) to identify…
View details →DOI: 10.2186/jpr.jpr_d_25_00199 Negative / Null Result ReportMedicine
Riancho-Zarrabeitia L, Barrena OI, Santos-Gomez M et al. · 2026 · Reumatologia clinica
Background/objectives Systemic lupus erythematosus (SLE) is a heterogeneous autoimmune disease marked by diverse autoantibodies. While serological clusters have been associated with distinct clinical phenotypes, most existing studies rely…
View details →DOI: 10.1016/j.reumae.2026.502172 Negative / Null Result ReportMedicine
Bonthrone AF, Cromb D, Javed SA et al. · 2026 · Placenta
Objectives To assess if maternal stress is higher in pregnancies with congenital heart disease (CHD) compared to low-risk pregnancies and if maternal stress is associated with placental microstructure and function. To explore if CHD alters…
View details →DOI: 10.1016/j.placenta.2026.05.027 Negative / Null Result Report
Pagano R, Kruashvili L, Puchalska M et al. · 2026 · Preprint
ABSTRACT Alcohol craving and consumption fluctuate across the reproductive cycle in females with alcohol use disorder (AUD), suggesting that estrogen signaling contributes to disease vulnerability. Here, we investigated the role of…
View details →DOI: 10.64898/2026.06.03.729849 Negative / Null Result ReportMedicine
Li J, de Vries HD, Ustyantsev K et al. · 2026 · Journal of lipid research
Farnesoid-x-receptor (FXR), a bile acid (BA)-activated nuclear receptor, is a therapeutic target for cholestatic and metabolic liver diseases. However, species differences in BA metabolism and FXR signaling hamper translation from mice to…
View details →DOI: 10.1016/j.jlr.2026.101088 Negative / Null Result ReportMedicine
Kirk C, Smith E, Wozniak A et al. · 2026 · Cutaneous and ocular toxicology
Purpose Emerging evidence supports a protective role of statins at preventing the progression of early-intermediate stage non-neovascular (dry) AMD. Clinical findings, however, remain equivocal as to the beneficial effects of statin use…
View details →DOI: 10.1080/15569527.2026.2646451 Negative / Null Result ReportMedicine
Mattke AC, Schlapbach LJ, Takashima M et al. · 2026 · ASAIO journal (American Society for Artificial Internal Organs : 1992)
Extracorporeal membrane oxygenation (ECMO) can trigger a systemic inflammatory response syndrome (SIRS) with activation of inflammatory, endothelial, and coagulation system pathways. We assessed in a randomized trial whether a) sweep flow…
View details →DOI: 10.1097/mat.0000000000002709 Negative / Null Result ReportMedicine
Gu C, Xu R, Yin B et al. · 2025 · Integrative zoology
Predator cues have profound impacts on the behavior and physiology of prey animals. However, the mechanisms underlying stress responses induced by chronic exposure to predator cues in mammals, particularly the role of the gut microbiota,…
View details →DOI: 10.1111/1749-4877.13014 Negative / Null Result ReportMedicine
Luo Y, Wei K · 2026 · Experimental brain research
Motor adaptation arises from multiple learning mechanisms, including use-dependent learning (UDL) driven by repetition and implicit error-based learning (EBL) driven by motor prediction errors. Although both mechanisms contribute…
View details →DOI: 10.1007/s00221-026-07268-z Negative / Null Result ReportMedicine
Gaebel L, Gerhardt T, Khamhoung A et al. · 2026 · Journal of Alzheimer's disease : JAD
BackgroundClonal hematopoiesis (CH) increases with age and elevates the risk of numerous age-associated diseases. However, the association between CH and neurodegenerative diseases has remained unclear.ObjectiveWe tested the association…
View details →DOI: 10.1177/13872877261458734 Negative / Null Result ReportMedicine
Zubareva OE, Melik-Kasumov TB, Sinyak DS et al. · 2026 · Neurochemistry international
Activation of peroxisome proliferator-activated receptor alpha (PPARα) suppresses neuroinflammation and may interrupt epileptogenesis. We tested whether early intervention with the PPARα agonist fenofibrate exerts disease-modifying effects…
View details →DOI: 10.1016/j.neuint.2026.106206 Negative / Null Result ReportMedicine
Prakash V, Barnes BG, Windorff CJ · 2026 · Communications chemistry
Uranium-nitrogen compounds (U x N y ) pose interesting structural and electronic questions. Understanding the formation and speciation of U x N y may provide insights in nitrogen fixation as well as the preparation of potential uranium…
View details →DOI: 10.1038/s42004-026-02000-y Negative / Null Result ReportMedicine
Lawrence AG, Murangi T, Chevalier A et al. · 2026 · Journal of thrombosis and haemostasis : JTH
Background Hemophilic arthropathy (HA) is a chronic joint disease caused by repeated joint bleeding in patients with hemophilia, leading to joint degeneration despite prophylactic treatment. The CX3CL1 (fractalkine)-CX3CR1 chemokine axis…
View details →DOI: 10.1016/j.jtha.2026.04.035 Negative / Null Result ReportMedicine
Chiusaroli L, Chiusaroli L, Boustany M et al. · 2026 · The Pediatric infectious disease journal
Background Routine blood cultures (BCs) are frequently obtained in hospitalized children with suspected infection. Although bacterial pathogens are the primary concern, fungal infections remain a consideration in high-risk populations,…
View details →DOI: 10.1097/inf.0000000000005282 Negative / Null Result ReportMedicine
Lerma-Clavero A, Kopsida M, Arendt N et al. · 2026 · FEBS open bio
The unfolded protein response (UPR) plays an important role in tumor progression and cellular stress adaptation. In hepatocellular carcinoma (HCC), pharmacological inhibition of the protein kinase R-like endoplasmic reticulum kinase (PERK)…
View details →DOI: 10.1002/2211-5463.70252 Negative / Null Result ReportMedicine
Dantas MCDS, Moreira SDNT, Pinto Júnior FEL · 2026 · Journal of cancer education : the official journal of the American Association for Cancer Education
Background Communication of difficult news is a core competency in oncology education. How accurately medical students self-assess their communication performance shapes formative learning and curriculum design. Purpose To examine…
View details →DOI: 10.1007/s13187-026-02898-x Negative / Null Result ReportMedicine
Butzlaff R, Christoph C, Puhl L et al. · 2026 · Journal of psychosomatic research
Background Transcutaneous auricular vagus nerve stimulation (taVNS) is a promising non-pharmacological approach for postoperative pain management, but its interaction with childhood trauma (CT) remains unclear. This three-armed randomized…
View details →DOI: 10.1016/j.jpsychores.2026.112874 Negative / Null Result Report
Enciso-Pablo Ó, Sierra-Ramírez F, Sotres-Bayón F · 2026 · Preprint
Abstract Rationale: Benzodiazepines are widely used to treat anxiety; however, their influence on defensive behavior when threats compete with rewards remains unclear. Objectives Here, we tested the effects of diazepam on reactive…
View details →DOI: 10.21203/rs.3.rs-8928345/v1 Negative / Null Result ReportMedicine
Barris CT, Kress TC, Antonova G et al. · 2025 · American journal of physiology. Heart and circulatory physiology
The global rise in obesity parallels the increasing rates of hypertension and cardiovascular disease (CVD). These trends, and recent clinical and experimental data, have revealed that obesity abolishes the protection from CVD typically…
View details →DOI: 10.1152/ajpheart.00630.2025 Negative / Null Result ReportMedicine
Giri S, Wang X · 2026 · American journal of physiology. Heart and circulatory physiology
Neointimal hyperplasia (NH) is a prominent pathological consequence following vascular injury and is driven in part by aberrant vascular smooth muscle cell (VSMC) proliferation. COP9 signalosome (CSN) subunit 5 (CSN5/JAB1/COPS5) is the…
View details →DOI: 10.1152/ajpheart.00160.2026 Negative / Null Result ReportMedicine
de Sousa Fernandes MS, Kanashiro A, da Silva Fidélis DE et al. · 2026 · Scientific reports
Environmental enrichment (EE), an experimental paradigm promoting cognitive, sensory, social, and motor stimulation, has been associated with neuroprotective effects. Although EE modulates immune function, its influence on the basal redox…
View details →DOI: 10.1038/s41598-026-55690-8