12,244 real negative results, null findings, and replication failures in Medicine. Search the index →
WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record compiled from open scholarly databases; the abstract is shown in full only where the paper is openly licensed, otherwise a short excerpt under fair use. Classifications are automated and approximate.
Eremichev R, Nikolaeva N, Khandokhin M et al. · 2025 · Biology
Recent discovery of menstruation in the Egyptian spiny mouse ( Acomys cahirinus) highlighted this species as a feasible model for the study of menstrual cycle physiology. However, reports on active menstrual bleeding in this animal were…
View details →Yang R, Wang Y, Fu Q et al. · 2026 · BMJ open
Objectives To establish optimal pre-pregnancy body mass index (BMI)-specific gestational weight gain (GWG) ranges for twin pregnancies and compare their association with maternal and neonatal adverse outcomes against Institute of Medicine…
View details →Saito A, Terai H, Kim TJ et al. · 2024 · Cancer medicine
Background Companion diagnostic tests play a crucial role in guiding treatment decisions for patients with non-small cell lung cancer (NSCLC). The Oncomine Dx Target Test (ODxTT) Multi-CDx System has emerged as a prominent companion…
View details →Awaly M, Norton M, Ahmed D et al. · 2025 · Cureus
Midline laparotomy remains essential in gynecological oncology, and rectus sheath catheters (RSCs) are commonly used for postoperative analgesia. We report the case of a 46-year-old woman who underwent midline laparotomy for a suspected…
View details →Salimkhanov R, Utkina M, Bagirova H et al. · 2025 · Frontiers in endocrinology
Multiple endocrine neoplasia type 1 (MEN-1; OMIM 131100) is a rare, autosomal dominant syndrome caused by heterozygous inactivating mutations in the MEN1 tumor suppressor gene (11q13; OMIM 613733). MEN-1 is characterized by polyglandular…
View details →Miquel-Rodríguez R, González-Toledo B, Pérez-Gómez MV et al. · 2024 · International journal of molecular sciences
Autosomal polycystic kidney disease (ADPKD) is the most common genetic form of kidney failure, reflecting unmet needs in management. Prescription of the only approved treatment (tolvaptan) is limited to persons with rapidly progressing…
View details →Vinyard DJ, Govindjee G · 2024 · Photosynthesis research
Photosystem II (PSII) uses light energy to oxidize water and to reduce plastoquinone in the photosynthetic electron transport chain. O 2 is produced as a byproduct. While most members of the PSII research community agree that O 2…
View details →Halalsheh H, Odeh N, Kiswani A et al. · 2026 · Cancers
Background Accurate staging is vital for optimizing outcomes in pediatric rhabdomyosarcoma (RMS). While [ 18 F]-FDG PET/CT is increasingly utilized, its specific impact on clinical management and its prognostic value compared to…
View details →De Ryst JE, Bergström S, Mravinacova S et al. · 2026 · Fluids and barriers of the CNS
Background Aquaporin-4 (AQP4) is crucial for brain fluid regulation and glymphatic system function. Idiopathic normal pressure hydrocephalus (INPH) is characterized by impaired CSF flow and is treated with shunt surgery. This study…
View details →Liu D, Yan Q, Qin X et al. · 2025 · Biochimica et biophysica acta. Bioenergetics
Photosystem I (PSI) is a large membrane photosynthetic complex that harvests sunlight and drives photosynthetic electron transport. In both green algae and higher plants, PSI's ultrafast energy transfer and charge separation kinetics have…
View details →S R S, Holla R, Rao M et al. · 2026 · The Indian journal of medical research
Background and objectives The gold standard for diagnosing malaria is peripheral smear. Histidine-rich protein 2 (HRP2)-based rapid diagnostic tests (RDTs) are particularly used for P. falciparum (pf) infections. These tests are easily…
View details →N R, Sivamani H, Sivaraman A et al. · 2024 · Cureus
This report presents the case of vaginal foreign body (FB) in a seven-year-old girl with recurrent genitourinary symptoms that went unrecognized for two years. Despite thorough evaluation including MRI, cystourethroscopy, and several…
View details →Zehner KM, Salib A, Sanchez JG et al. · 2026 · Journal of hand surgery global online
Purpose Carpal tunnel syndrome may be considered for carpal tunnel injection (CTI). Ultrasound (US) guidance has been proposed to improve CTI accuracy, but the trend across the years, factors associated with utilization, and outcomes are…
View details →Almutairi M, Alalmaee R, Alamer E et al. · 2026 · Journal of clinical tuberculosis and other mycobacterial diseases
Background Tuberculosis (TB) is a major global health issue, particularly among HIV-positive individuals. In Saudi Arabia, the incidence has declined to 8.4 per 100,000 but remains a concern among high-risk groups. Extrapulmonary TB,…
View details →Zhang P, Guo Y, Xu Y et al. · 2025 · Talanta
The identification of natural active compounds is typically a cumbersome and time-intensive process due to the necessity for elaborate sample pretreatment, leading to inefficiencies. Although recent advancements have introduced methods for…
View details →Britnell JA, Palme R, Kerley GIH et al. · 2024 · Functional Ecology
Steroid hormones, especially glucocorticoids (GCs), are widely used to assess physiological responses to stressors. As steroid hormones are heavily metabolised prior to excretion, it is essential to validate enzyme immunoassays (EIAs) for…
View details →Birk JB, Møller MA, Wojtaszewski JFP et al. · 2025 · FEBS letters
It has been proposed that the regulatory Sit4-associated protein subunit 3 (SAPS3) of protein phosphatase 6 (PP6C) acts as an AMP-activated protein kinase (AMPK) inhibitor by recruiting PP6C to dephosphorylate AMPKα-T172. While we confirm…
View details →Biçengil K, Kurt A, Naralan ME et al. · 2026 · Diagnostics (Basel, Switzerland)
Objectives : To evaluate the diagnostic performance of a YOLOv8x-based deep learning model for detecting approximal, occlusal and buccal caries on paediatric panoramic radiographs and to compare its performance with human observers with…
View details →Adhikari S, Eldfors S, Pitkänen E et al. · 2025 · Computational and structural biotechnology journal
Background Acute myeloid leukemia (AML) progresses by the accumulation of somatic mutations and clonal expansion of pre-leukemic cells. Patients may respond to initial therapy, but often relapse, underscoring an evolving disease. Next…
View details →Airaksinen J, Siimes S, Hartikainen J et al. · 2024 · Pflugers Archiv : European journal of physiology
Arrhythmia detection is essential when assessing the safety of novel drugs and therapies in preclinical studies. Many short-term arrhythmia monitoring methods exist, including non-invasive ECG and Holter. However, there are no reliable,…
View details →Ura H, Hatanaka H, Togi S et al. · 2025 · International journal of molecular sciences
RNA sequencing (RNA-Seq) is a powerful technique for the quantification of transcripts and the analysis of alternative splicing. Previously, our laboratory developed the targeted RNA long-amplicon sequencing (rLAS) method, which has the…
View details →Fan Z, Kitaura H, Marahleh A et al. · 2025 · International journal of molecular sciences
Bone remodeling is maintained through the coordinated actions of osteoblasts, osteoclasts, and osteocytes, among which osteocytes serve as major regulators of osteoclast-mediated bone resorption through the receptor activator of the…
View details →Stracquadanio S, Nicolosi A, Marino A et al. · 2024 · Diagnostics (Basel, Switzerland)
Background The rise of multi-drug-resistant Gram-negative bacteria necessitates the development of new antimicrobial agents. Cefiderocol shows promising activity by exploiting bacterial iron transport systems to penetrate the outer…
View details →Bui TI, Farnsworth CW, Anderson NW · 2024 · Journal of clinical microbiology
Many emergency departments (ED) use rapid human immunodeficiency virus (HIV) antibody tests as screening tools, despite limited sensitivity for detecting acute HIV infections. In a 4-year retrospective analysis of 1,192 patients, we…
View details →Lamarre J, Wilson DR · 2025 · The Journal of experimental biology
Docosahexaenoic acid (DHA), a long-chain omega-3 fatty acid (n3-LCPUFA), is an integral component of vertebrate brains. Vertebrates maintain their DHA levels through biosynthesis using alpha-linolenic acid (ALA; omega-3 precursor) or by…
View details →Walker UA, Nettermann K, Walker S et al. · 2025 · PloS one
Objectives To evaluate if self-assessed rheumatic disease activity in patients with rheumatoid arthritis (RA), psoriatic arthritis (PsA) or ankylosing spondyloarthritis (AS) is linked to local weather. Methods In this prospective,…
View details →Fruhauf F, Cibula D, Kocian R et al. · 2024 · International journal of gynecological cancer : official journal of the International Gynecological Cancer Society
Objectives To assess the diagnostic performance of ultrasonography in pre-operative assessment of lymph nodes in patients with cervical cancer, to compare the outcomes for pelvic and para-aortic regions, and to detect macrometastases and…
View details →Li XE · 2026 · The Canadian veterinary journal = La revue veterinaire canadienne
A 3-year-old neutered male domestic shorthair cat was evaluated for hematuria. Ultrasonography and CT scanning identified moderate right-side hydronephrosis associated with right proximal and distal ureteral strictures, as well as partial…
View details →Kang A, Tian X, Mi Z et al. · 2026 · Environmental science & technology
Improving carbon productivity is essential for simultaneously achieving sustainable development goals and tackling climate change. While the Global Value Chains (GVCs) division enhances productive efficiency, its impact on carbon…
View details →Xing L, Lu B, Zhu X et al. · 2026 · Inflammation and regeneration
Background Mesenchymal stromal cells (MSCs) possess therapeutic potential largely reliant on intact mitochondrial function to maintain reparative function. However, obesity compromises MSC metabolism and reparative capacity. MOTS-c, a…
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