Negative / Null Result ReportMedicine
Lye G, Pollard RE, Hartman A et al. · 2026 · Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association
The intrathoracic lymph nodes (LN) of clinical interest in dogs are the sternal (STLN), cranial mediastinal (CrMLN), and tracheobronchial (TBLN) groups. Although computed tomography (CT) depicts and measures these nodes well, thoracic…
View details →DOI: 10.1111/vru.70113 Negative / Null Result ReportOpen accessMedicine
Hashimoto R, Otsuki Y, Nakamura T · 2026 · Cureus
Pulmonary metastases from papillary thyroid carcinoma (PTC) are usually detectable by computed tomography (CT) or radioactive iodine (RAI) scanning. Pathologically proven pulmonary micrometastases that are completely undetectable by…
View details →DOI: 10.7759/cureus.103328 Negative / Null Result ReportMedicine
Khin STMM, Jafar SM, Ju M et al. · 2025 · Journal of virological methods
Feline morbillivirus (FeMV) is a globally emerging virus that has been linked to chronic kidney disease (CKD) in infected cats. Immunological assays, such as enzyme-linked immunosorbent assay (ELISA), are important for studying the virus…
Negative / Null Result ReportMedicine
Lowe BG, Woolgar A, Smit S et al. · 2026 · Cortex; a journal devoted to the study of the nervous system and behavior
Sustaining attention is effortful but crucial for daily life. Despite this, attentional lapses are common and can have fatal consequences (e.g., when driving). The spontaneous nature of these lapses makes studying their underlying…
View details →DOI: 10.1016/j.cortex.2025.12.002 Negative / Null Result Report
Dimitriadis C, Konsta K, Çinar ME et al. · 2025 · Preprint
Abstract Citizen science has become a powerful tool for generating extensive ecological data and fostering public engagement in environmental monitoring and conservation initiatives. In marine environments, where monitoring is challenging…
View details →DOI: 10.21203/rs.3.rs-7177400/v1 Negative / Null Result ReportMedicine
Hayashi T, Mizobuchi K, Higa N et al. · 2026 · Ophthalmic genetics
Purpose To assess the detectability of the pathogenic RP1 Alu insertion using the PrismGuide™ inherited retinal dystrophy (IRD) panel, which targets 82 IRD genes, and whole-exome sequencing (WES). Methods A girl diagnosed with early-onset…
View details →DOI: 10.1080/13816810.2025.2590162 Negative / Null Result ReportMedicine
Nichols S, Estandía A, Young CM et al. · 2026 · International journal for parasitology
Parasites are ubiquitous and exert varied ecological and evolutionary pressures on their hosts. Yet, characterising parasite diversity and distributions can be challenging and costly. Leveraging existing data to identify parasites is thus…
View details →DOI: 10.1016/j.ijpara.2025.104768 Negative / Null Result ReportOpen accessMedicine
He C, Gu X, Liu Y et al. · 2026 · Frontiers in cellular and infection microbiology
Objective This study aims to investigate the impact of mutations within the major hydrophilic region (MHR) of the hepatitis B virus (HBV) S gene on the expression, secretion, and antigenicity of hepatitis B surface antigen (HBsAg), and…
View details →DOI: 10.3389/fcimb.2026.1831437 Negative / Null Result ReportOpen accessMedicine
Jimenez CM, Kreizinger Z, Gyuranecz M et al. · 2026 · Poultry science
The control and prevention of Mycoplasma (M.) synoviae infections have been significantly improved by the use of the MS-H live vaccine strain. This vaccine has been used globally for decades; therefore, many technical approaches have been…
View details →DOI: 10.1016/j.psj.2026.107166 Negative / Null Result ReportOpen accessMedicine
Zhang H, Wu W, Xu J · 2026 · Frontiers in oncology
Early ampullary tumors are challenging to diagnose due to their complex surrounding structures and deep anatomical location. We report a rare case in which enhanced computed tomography (CT), magnetic resonance imaging (MRI), magnetic…
View details →DOI: 10.3389/fonc.2026.1840198 Negative / Null Result Report
Busi R, Machingal P, Hemachandra N et al. · 2025 · Preprint
The size of the protein sequence database is increasing without a consequent increase in the number of proteins with known molecular function, especially at the fine-grained level. Alignment-based approaches such as BLAST and profile…
View details →DOI: 10.1101/2025.09.17.676781 Negative / Null Result Report
Sato T, Nishitsuka K, Itoh T et al. · 2025 · Preprint
Deep learning has shown promise in diabetic retinopathy screening using fundus images. However, many existing models operate as “black boxes,” providing limited interpretability at the lesion level. This study aimed to develop an…
View details →DOI: 10.1101/2025.10.01.25337115 Negative / Null Result Report
T JS, Chetty N · 2025 · Preprint
Abstract Wind speed distribution modelling serves as an essential tool to assess wind energy resources while identifying optimal wind turbine locations. Three statistical models, including Bimodal Mixture Weibull (BMW), Modified Bimodal…
View details →DOI: 10.21203/rs.3.rs-7420416/v1 Negative / Null Result ReportOpen accessMedicine
An SY, Kim I, Hong SH et al. · 2026 · Protein science : a publication of the Protein Society
Anti-CRISPR (Acr) proteins are phage-encoded anti-defense factors that suppress CRISPR-Cas immunity in bacteria. AcrIIA8 was previously identified as an inhibitor of Streptococcus pyogenes Cas9 (SpyCas9) through functional assays of…
View details →DOI: 10.1002/pro.70651 Negative / Null Result ReportMedicine
Qiu W, Yan YK, Kang JP et al. · 2025 · Clinical laboratory
Background Nucleated red blood cells (NRBCs) play a crucial role in automated blood analysis, particularly in the diagnosis and monitoring of blood disorders. This study examines the limitations of the Sysmex XN-9000 fully automated…
View details →DOI: 10.7754/clin.lab.2024.241106 Negative / Null Result ReportOpen accessMedicine
Ueda M, Mitani H, Nakaki Y et al. · 2025 · Interventional radiology (Higashimatsuyama-shi (Japan)
Purpose: To evaluate the performance of automated tumor-feeder detection software in transarterial chemoembolization for hepatocellular carcinoma using angio-computed tomography. Material and Methods: This was a retrospective study of 107…
View details →DOI: 10.22575/interventionalradiology.2025-0007 Negative / Null Result Report
Cui N, van Beers RJ, Smeets JBJ et al. · 2025 · Preprint
Emerging evidence suggests that decision making is not a purely cognitive process preceding motor output but rather an embodied phenomenon in which the sensorimotor system actively shapes choice selection. Beta oscillations (13–30 Hz) over…
View details →DOI: 10.1101/2025.07.21.665769 Negative / Null Result ReportOpen accessMedicine
Mottaghi M, Manda P, Morton EA et al. · 2025 · Cureus
We report the case of a 58-year-old woman who initially presented to the emergency department with intermittent nausea, vomiting, and left upper quadrant abdominal pain for six days. As part of the abdominal pain workup in the emergency…
View details →DOI: 10.7759/cureus.100345 Negative / Null Result Report
Akinosho A, Alexander J, Floyd K et al. · 2025 · Preprint
Transgenerational inheritance of learned behaviors remains a controversial topic in biology. The Murphy lab previously demonstrated that C. elegans exposed to pathogenic Pseudomonas aeruginosa (PA14) not only learn to avoid this bacterium…
View details →DOI: 10.1101/2025.04.03.647070 Negative / Null Result ReportMedicine
Ruiz-Rebollo ML, Muñoz-Moreno MF · 2025 · Medicina clinica
Background Acute pancreatitis can affect elderly people. Conflicting results have been published regarding the role of age in the course of this life-threatening disease. Aim To assess the clinical outcomes of acute pancreatitis in…
View details →DOI: 10.1016/j.medcli.2025.107112 Negative / Null Result ReportOpen accessMedicine
Wilmshurst P · 2026 · Clinical medicine (London, England)
One-quarter of adults have a persistent (patent) foramen ovale (PFO). Right-to-left shunting through a PFO can facilitate paradoxical thromboembolism, cryptogenic stroke, paradoxical gas embolism, decompression sickness, arterial…
View details →DOI: 10.1016/j.clinme.2026.100600 Negative / Null Result ReportMedicine
Wei Q, Wang SA, Garcia-Manero G et al. · 2025 · Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc
Identification of cytogenetic abnormalities is critical for the classification and risk stratification of myelodysplastic syndromes (MDS). Optical genome mapping (OGM) is an emerging cytogenomic platform that enables high-resolution…
View details →DOI: 10.1016/j.modpat.2025.100862 Negative / Null Result ReportOpen accessMedicine
Noorelahi Y · 2025 · Radiology research and practice
Objective Accurate meniscal tear diagnosis is essential for proper knee injury management. While MRI is the gold standard, ultrasound (US) offers a cost-effective alternative. However, its accuracy compared to arthroscopy remains…
View details →DOI: 10.1155/rrp/6270476 Negative / Null Result ReportMedicine
Dachraoui K, Ben Osman R, Ben Slama S et al. · 2025 · Vector borne and zoonotic diseases (Larchmont, N.Y.)
A total of 20 horses belonging to the Pasteur Institute of Tunis used for the production of therapeutic serum antiscorpion venom were tested for the presence of antibodies anti-West Nile virus (WNV) during the 2023 outbreak of West Nile…
View details →DOI: 10.1177/15303667251359822 Negative / Null Result ReportMedicine
Nkoy AB, Mumaka FM, Matoka TT et al. · 2026 · Pediatric nephrology (Berlin, Germany)
Background Serum creatinine (SCr), the most used biomarker to evaluate glomerular filtration rate (GFR), might be inaccurate in children with sickle cell anemia (SCA). In this context, cystatin C (SCys) could be of interest. This study…
View details →DOI: 10.1007/s00467-025-06986-w Negative / Null Result ReportOpen accessMedicine
Hagenbeek A, Masukagami Y, Palanichamy P et al. · 2026 · BMC genomics
The intracellular endosymbiont Candidatus Lariskella (Alphaproteobacteria, Candidatus Midichloriaceae) has been found across a wide diversity of terrestrial arthropods, including ticks, true bugs, beetles, fleas, wasps and moths. Despite…
View details →DOI: 10.1186/s12864-026-12881-x Negative / Null Result ReportMedicine
Wang Y, Kong X, Wei H et al. · 2025 · Haemophilia : the official journal of the World Federation of Hemophilia
Introduction The Bethesda assay (BA) and the Nijmegen-Bethesda assay (NBA) are commonly used to measure inhibitors in patients with haemophilia A (HA). The laboratory results of inhibitor assays have been demonstrated to be highly…
View details →DOI: 10.1111/hae.70084 Negative / Null Result Report
Malinowska K, Wawrzynowicz M, Markowska K et al. · 2025 · Preprint
Conservation decision-making requires accurate identification of causes of population changes. Ecologists often rely on analytical protocols that aggregate high-dimensional monitoring data. We hypothesise that compressing data - either…
View details →DOI: 10.1101/2025.05.17.654658 Negative / Null Result Report
Jena S, Kim D, Lee AM et al. · 2025 · Preprint
Abstract Background: Disease heterogeneity across a diverse patient cohort poses challenges to cancer drug development due to inter-patient variability in treatment responses. However, current preclinical models fail to depict…
View details →DOI: 10.21203/rs.3.rs-6590535/v1 Negative / Null Result ReportMedicine
Hall AD, Whitehurst DA, Mortensen JE et al. · 2025 · Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy
Malaria remains a significant public health concern in sub-Saharan Africa, particularly in Ethiopia where Plasmodium falciparum and Plasmodium vivax are co-endemic. Most cases in the United States are acquired abroad and imported.…
View details →DOI: 10.1016/j.jiac.2025.102777