A new review article in the journal Advances in Molecular Pathology highlights the advanced molecular techniques and biomarkers that are fundamentally changing the diagnosis of central nervous system (CNS) tumors. The author Derek Wong, PhD, from the University of California, Los Angeles, emphasizes that molecular information is now an integral part of the WHO classification and represents crucial diagnostic criteria for specific tumor entities. The integration of DNA and RNA profiling enables a more comprehensive and precise classification, which improves prognosis and therapeutic options for patients. Traditionally, brain tumor diagnostics were based on histological features, but the shift to a molecular paradigm—driven by technologies such as immunohistochemistry (IHC), fluorescence in situ hybridization (FISH), next-generation sequencing (NGS), and DNA methylation profiling—has increased accuracy. IHC detects specific antigens in tissue samples using antibodies and is essential for pathology, but depends on antibody specificity. FISH uses fluorescent DNA probes to detect genetic aberrations such as amplifications or deletions,… 

A comprehensive review in Microchemical Journal highlights the latest developments in microfluidic chips for detecting tumor protein biomarkers in blood samples. The study, authored by Zhaoyi Feng and colleagues at Harbin Institute of Technology, underscores how this technology could revolutionize early cancer detection and monitoring. With advantages such as miniaturization, high throughput, and portability, microfluidic chips enable precise analysis with minimal sample volumes, complementing or replacing traditional laboratory methods. Cancer remains one of the leading causes of death worldwide: according to GLOBOCAN 2020, there were 19.3 million new cases and nearly 10 million deaths. Tumor protein biomarkers such as alpha-fetoprotein (AFP) for liver cancer, carcinoembryonic antigen (CEA) for colorectal cancer, or CA125 for ovarian cancer serve as crucial indicators for early detection and therapy monitoring. The authors list normal values and cancer-associated elevations, emphasizing that microfluidic techniques can detect these biomarkers more efficiently than conventional methods like ELISA or chemiluminescence immunoassays, which are often time-consuming and resource-intensive ...

A new study in the journal One Earth shows that anthropogenic climate change significantly contributes to the increased risk of Dengue fever due to hydrometeorological conditions in Brazil and China. Researchers led by Wenhao Yu and Qi Zhao analyzed data from 1981 to 2020 and found that 73.6% of the Dengue excess risk associated with the Palmer Drought Severity Index (PDSI) in Brazil and 26.5% in China are attributable to human influences. The risk increased twice as fast in Brazil as in China, with urbanization mitigating the effects. Dengue, a viral disease transmitted by Aedes mosquitoes, has spread globally due to climate changes such as higher temperatures, altered rainfall, and humidity. The study compared factual scenarios with counterfactual ones (without anthropogenic influence) and emphasizes that extreme drought and humidity create breeding grounds for mosquitoes. In Brazil (558 microregions) and China (370 cities), the number of high-risk months increased due to ...