https://medicalxpress.com/biomedical-technology-news/ en-us Latest medical news and research in Laboratory medicine The Sabiá virus causes an acute hemorrhagic and neurological syndrome. Four fatal cases have been recorded in the state of São Paulo since 1990. The virus has been circulating in Brazil for about 142 years. Genomic analyses of two cases recorded in 2019 and 2020 show that the virus has undergone genetic changes over time, which explains why it was not identified by existing tests. https://medicalxpress.com/news/2026-05-sabi-virus-circulating-brazil-years.html Wed, 20 May 2026 16:40:03 EDT news698510942 A novel spatial transcriptomics atlas developed by Northwestern Medicine scientists may improve the understanding of niche cellular interactions in the gastrointestinal tract that promote the development of inflammatory bowel diseases, as detailed in a recent study published in Nature Communications. https://medicalxpress.com/news/2026-05-spatial-transcriptomics-inflammatory-bowel-disease.html Wed, 20 May 2026 13:41:12 EDT news698503219 A new UNLV-led wastewater surveillance study brings scientists one step closer in the global race to detect and deter skyrocketing cases of a potentially deadly drug-resistant fungus that puts hospital patients at risk of serious blood, heart, or brain infections. https://medicalxpress.com/news/2026-05-hospital-wastewater-reveals-drug-resistant.html Wed, 20 May 2026 12:40:02 EDT news698497621 A new study by researchers from NHG Health's Institute of Mental Health (IMH) and NTU Singapore Lee Kong Chian School of Medicine (LKCMedicine) has identified blood-based proteomic biomarkers that may help predict who among the at-risk group is at increased risk of developing psychosis. These biomarkers refer to specific patterns of proteins circulating in blood plasma, which reflect underlying biological processes and may provide objective indicators of disease risk. https://medicalxpress.com/news/2026-05-blood-based-markers-psychosis-asian.html Wed, 20 May 2026 12:00:01 EDT news698494441 An international coalition of experts in laboratory medicine, osteoporosis, and chronic kidney disease is calling for laboratories to stop routinely reporting albumin-adjusted ("corrected") calcium, arguing that the longstanding practice is outdated, unreliable in many clinical settings, and may contribute to patient harm. https://medicalxpress.com/news/2026-05-international-experts-routine-calcium.html Mon, 18 May 2026 18:00:05 EDT news698324434 New research in the journal Science by Maxwell postdoctoral scholar Dustin Hill, Professor of Public Health Dave Larsen and a team of researchers has found a strong connection between the prevalence of genetic variations of the COVID-19 virus and higher community transmission. https://medicalxpress.com/news/2026-05-genetic-shifts-wastewater-reveal-falls.html Mon, 18 May 2026 17:50:05 EDT news698343721 A new blood test could help doctors identify whether a treatment for advanced prostate cancer is failing weeks earlier than current tests, according to a U.K.-wide study led by UCL researchers. The study, published in Nature Cancer, shows that men could switch or intensify treatment much sooner than is currently possible if their cancer is not responding to treatment, potentially saving precious time and improving outcomes for patients. https://medicalxpress.com/news/2026-05-blood-prostate-cancer-treatment-weeks.html Mon, 18 May 2026 16:00:05 EDT news698335482 A team led by Cedars-Sinai Health Sciences University investigators has created a faster, cheaper way to determine the genes expressed in cancerous tumors. The AI-based tool, which they describe in the journal Cell, could make personalized cancer treatment available to more patients. https://medicalxpress.com/news/2026-05-ai-tool-cancer-gene-profiling.html Sat, 16 May 2026 16:00:01 EDT news697733616 France's Pasteur Institute said it has fully sequenced the Andes virus detected in a French passenger from the MV Hondius cruise ship and found that it matched viruses already known in South America, with no evidence so far of new characteristics that would make it more transmissible or more dangerous. https://medicalxpress.com/news/2026-05-france-cruise-ship-andes-virus.html Sat, 16 May 2026 15:06:17 EDT news698162699 Backed by new research findings, researchers at the UNC School of Medicine have developed a new reporting system that will allow researchers across the United States to confirm the genetic accuracy of their mouse models. https://medicalxpress.com/news/2026-05-aims-accuracy-rigor-mouse-widespread.html Fri, 15 May 2026 12:00:01 EDT news698062081 Researchers have introduced a novel diagnostics method that can more sensitively detect gene fusions in B-cell acute lymphoblastic leukemia (B-ALL), the most common type of pediatric cancer, compared to other publicly available fusion detection algorithms. The tool, detailed in an article published in The Journal of Molecular Diagnostics, enables a higher diagnostic yield from low-coverage, low-cost sequencing. https://medicalxpress.com/news/2026-05-tool-enables-high-precision-pediatric.html Thu, 14 May 2026 17:00:01 EDT news697972128 A study published in Applied and Environmental Microbiology is the first comprehensive approach to detect all known cancer-causing or oncogenic viruses concurrently by analyzing viral genomes in wastewater. The work, a collaboration between Baylor College of Medicine and the University of Texas Health Science Center at Houston, shows that it is feasible to monitor the presence and levels of cancer-causing viruses, enabling the possibility of public health interventions in the future. https://medicalxpress.com/news/2026-05-cancer-linked-viruses-texas-wastewater.html Thu, 14 May 2026 16:34:50 EDT news697995241 The FOXA1 protein is a potentially highly sensitive diagnostic marker for small cell carcinoma of the prostate and possibly other aggressive prostate cancer subtypes that are difficult to diagnose due to a loss of traditional prostatic markers, according to researchers at The University of Texas MD Anderson Cancer Center. The study, published in Histopathology, was led by Jianping Zhao, M.D., Ph.D., assistant professor of Anatomic Pathology. https://medicalxpress.com/news/2026-05-diagnostic-marker-aids-diagnosis-aggressive.html Thu, 14 May 2026 15:35:08 EDT news697991642 For people living in regional and remote communities, where access to a GP or pathology services can involve long travel distances and large out-of-pocket expenses, point-of-care testing (POCT) offers a convenient way to receive timely health information closer to home. New research from Flinders University suggests these rapid, on-the-spot health tests may do more than deliver faster results—they could also help people better understand their health and feel more confident managing long-term conditions like diabetes and heart disease. https://medicalxpress.com/news/2026-05-rapid-health-boost-patient-confidence.html Wed, 13 May 2026 20:40:02 EDT news697886708 A team of Rice University bioengineers has developed a new way to create highly realistic "mock" patient samples that could help accelerate the development of faster, more accessible cervical cancer screening tests for low-resource settings. https://medicalxpress.com/news/2026-05-realistic-mock-samples-cervical-cancer.html Wed, 13 May 2026 13:15:49 EDT news697896902 A major European survey marks a significant milestone in the effort to control antimicrobial resistance (AMR), providing the most comprehensive genomic picture to date of carbapenem- and/or colistin-resistant Enterobacterales (CCRE) across hospitals in Europe. Carbapenem-resistant Enterobacterales are critical priority pathogens posing a high risk for public health and patient safety, as they cause difficult-to-treat infections with limited available treatment options and an insufficient development pipeline for new antibiotics. https://medicalxpress.com/news/2026-05-europe-advances-genomic-surveillance-antimicrobial.html Wed, 13 May 2026 11:30:08 EDT news697890430 Having a biological age older than chronological age is associated with a greater likelihood of developing dementia, a new study has shown. By combining measures of biological aging and genetic risk, researchers have identified individuals at a higher risk of developing dementia and those who will develop the disease at a younger age. https://medicalxpress.com/news/2026-05-simple-blood-dementia-earlier-combining.html Wed, 13 May 2026 07:00:03 EDT news697793904 A urine test developed by scientists at the University of Cambridge has moved a step closer to clinical use following new findings revealing it could do more than first thought. Originally designed to detect early signs of lung cancer and treatment resistance, the test shows potential in identifying biological signals associated with pulmonary fibrosis—a serious condition where early diagnosis remains a major challenge. https://medicalxpress.com/news/2026-05-urine-nanosensor-tracks-lung-cancer.html Wed, 13 May 2026 05:00:07 EDT news697727282 For decades, human cancer cell lines have been indispensable models for cancer research, already replacing a significant number of animal experiments. However, the use of fetal bovine serum (FBS) in their cultivation is easily overlooked. https://medicalxpress.com/news/2026-05-animal-cancer-fetal-bovine-serum.html Tue, 12 May 2026 17:40:02 EDT news697817703 While much is mysterious about the aging process, change over time remains its cornerstone. The biological shifts that accompany aging seemingly occur in many cells in the body. The problem is, we have tens of billions of cells, and what the changes may be in most of those cells remains unknown, in part due to traditional technical limitations. https://medicalxpress.com/news/2026-05-genomic-approaches-uncover-cellular-dynamics.html Tue, 12 May 2026 15:40:02 EDT news697815181 The U.S. Food and Drug Administration has cleared ArteraAI Breast for use in patients with early-stage, hormone receptor (HR)-positive, human epidermal growth factor receptor 2 (HER2)-negative invasive breast cancer. https://medicalxpress.com/news/2026-05-fda-arteraai-breast-cancer-stratification.html Tue, 12 May 2026 15:00:07 EDT news697810284 Fingerprinting transformed police investigations by making it possible to place a suspect at a crime scene with physical evidence. Similarly, genome sequencing has changed how disease detectives study outbreaks by allowing them to read a pathogen's genes as a biological record of where it came from and how it spread. https://medicalxpress.com/news/2026-05-genome-sequencing-rewriting-history-disease.html Tue, 12 May 2026 13:20:06 EDT news697808762 Scientists have long known that the immune system plays a key role in aging. As people age, they have weaker responses to vaccination, greater risks of infection and higher levels of inflammation. A new study led by UCLA Health researchers used results of a routine clinical lab test to measure not only immune responsiveness but also how it links directly to a patient's long-term mortality. https://medicalxpress.com/news/2026-05-hidden-tuberculosis-screening-patients-mortality.html Tue, 12 May 2026 07:20:01 EDT news697782962 Swiss pharmaceutical giant Roche said Tuesday that it had received clearance from health safety regulators to sell a new blood test for early detection of Alzheimer's disease in the European Union. https://medicalxpress.com/news/2026-05-roche-early-alzheimer-eu-company.html Tue, 12 May 2026 05:30:01 EDT news697781504 Aging is a complex process, and precisely measuring how the human body declines has long been a challenge. Two people of the same chronological age can have very different health trajectories. Scientists have also struggled to move beyond identifying aging markers to pinpointing what actually drives aging itself. https://medicalxpress.com/news/2026-05-digital-aging-twin-age-adulthood.html Mon, 11 May 2026 23:00:02 EDT news697734085 Warning: this article is about stillbirth and its investigations, including autopsies and related procedures. https://medicalxpress.com/news/2026-05-baby-die-im-pathologist.html Mon, 11 May 2026 20:00:04 EDT news697718067 New research suggests a simple urine test could help spot conditions including bipolar disorder, ADHD and anorexia much sooner, easing pressure on health services where diagnoses can currently take months—even years. https://medicalxpress.com/news/2026-05-urine-flag-bipolar-adhd-anorexia.html Mon, 11 May 2026 10:40:03 EDT news697713857 Dementia affects over 57 million people worldwide, a number expected to nearly double in the next 20 years. This permanent loss of cognitive abilities affects daily function and can be caused by multiple brain pathologies, including well-known ones like Alzheimer's disease (AD). Right now, biomarkers permit diagnosis of AD, but not rarer pathologies like frontotemporal lobar degeneration (FTLD) or its subtypes. https://medicalxpress.com/news/2026-05-ultrasensitive-biomarkers-specific-dementia.html Sun, 10 May 2026 11:00:01 EDT news697251754 A clinical trial conducted in Tanzania and Mozambique and published in The Lancet Infectious Diseases concludes that expanding the use of molecular diagnostic tests on urine and stool samples, in addition to sputum, to detect tuberculosis in hospitalized people living with HIV does not improve early treatment initiation nor reduce short-term mortality. https://medicalxpress.com/news/2026-05-tb-screening-hiv-wards-treatment.html Fri, 08 May 2026 14:00:04 EDT news697465983 Man-made "forever chemicals" have been detected in 98.8% of blood tests, in a new study which examined more than 10,500 samples. The findings are the latest indication to suggest that nearly every single person in the US is living with PFAS (per- and polyfluoroalkyl substances)—and usually multiple—in their system. https://medicalxpress.com/news/2026-05-multiple-chemicals-people.html Fri, 08 May 2026 08:40:06 EDT news697447801