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Cancer Research in the Age of Spatial Omics: Lessons from IMAXT.
Cancer Discov
January 2025
CRUK Cambridge Institute, University of Cambridge. Li Ka Shing Centre, Cambridge, United Kingdom.
The Imaging and Molecular Annotation of Xenografts and Tumors Cancer Grand Challenges team was set up with the objective of developing the "next generation" of pathology and cancer research by using a combination of single-cell and spatial omics tools to produce 3D molecularly annotated maps of tumors. Its activities overlapped, and in some cases catalyzed, a spatial revolution in biology that saw new technologies being deployed to investigate the roles of tumor heterogeneity and of the tumor micro-environment. See related article by Stratton et al.
View Article and Find Full Text PDFSARS-CoV-2 Productively Infects Human Hepatocytes and Induces Cell Death.
J Med Virol
January 2025
Institute of Virology, Technical University of Munich/Helmholtz Munich, Munich, Germany.
Article Synopsis
- SARS-CoV-2 can infect liver cells (hepatocytes), leading to elevated liver enzymes and more severe disease in those with pre-existing liver conditions.
- The study shows that the virus replicates and spreads in hepatocytes, with infection being dependent on two specific proteins, ACE2 and TMPRSS2, which are found on the liver cells.
- Infection causes rapid liver cell death, with the Omicron variant causing quicker but less extensive damage compared to other strains, as seen in both human liver cells and infected mice.
Improving the ONE HEALTH approach: a lesson from SARS-CoV-2 pandemic.
J Prev Med Hyg
September 2024
Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy.
The emergence of SARS-CoV-2 has underscored the critical need to enhance the ONE HEALTH approach which recognizes the interconnectedness of human, animal, and environmental health. In this review we report on various animal species that were infected by SARS-CoV-2 virus during the pandemic with the aim to contribute to the One Health approach. The SARS-CoV-2 pandemic has highlighted the devastating consequences of zoonotic diseases such as COVID19 and has reiterated the critical role that the health of wildlife, domestic animals, and the environment plays in human health.
View Article and Find Full Text PDFGetting better with age: Lessons from the Kenya Long-term Exclosure Experiment (KLEE).
Ecol Lett
December 2024
Mpala Research Centre, Nanyuki, Kenya.
The Kenya long-term exclosure experiment (KLEE) was established in 1995 in semi-arid savanna rangeland to examine the separate and combined effects of livestock, wildlife and megaherbivores on their shared environment. The long-term nature of this experiment has allowed us to measure these effects and address questions of stability and resilience in the context of multiple drought-rainy cycles. Here we outline lessons learned over the last 29 years, and how these inform a fundamental tension in long-term studies: how to balance the need for question-driven research with the intangible conviction that long-term data will yield valuable findings.
View Article and Find Full Text PDFAdvancing poliovirus eradication: lessons learned from piloting direct molecular detection of polioviruses in high-risk and priority geographies.
Microbiol Spectr
December 2024
Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.
Unlabelled: In the Global Polio Laboratory Network (GPLN), poliovirus (PV) screening results from acute flaccid paralysis (AFP) surveillance is based on virus isolation (VI) through cell culture, entailing long turnaround times and the amplification of live poliovirus. An alternative Direct Detection strategy (DD-ITD) for screening viral nucleic acid from stools, bypassing the need for virus culture, has been developed and extensively validated by GPLN partners. A multi-laboratory demonstration project was conceived to field-test the DD-ITD method by GPLN laboratories from the WHO African, Western Pacific, and Eastern Mediterranean regions, where wild serotype 1 or vaccine-derived polioviruses still circulate.
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