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New Molecular Map Sheds Light on How Influenza A Virus Hijacks Human Cells

New Molecular Map Sheds Light on How Influenza A Virus Hijacks Human Cells

Researchers at EMBL Hamburg and the Leibniz Research Institute for Molecular Pharmacology have developed a detailed molecular map showing how the influenza A virus takes over human cells. This study, published in Nature Microbiology, reveals the interactions between viral and human proteins within intact infected cells. The research utilized a specialized version of cross-linking mass spectrometry (XL-MS) to capture these interactions, providing insights into the virus's replication process. The findings highlight two strategies used by the virus: the modification of hemagglutinin by human proteins and the dissolution of paraspeckles in the cell nucleus, which may aid viral replication.
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Cold Spring Harbor Laboratory Scientists Revive Vancomycin to Combat Superbugs

Cold Spring Harbor Laboratory Scientists Revive Vancomycin to Combat Superbugs

Researchers at Cold Spring Harbor Laboratory (CSHL), led by Professor John Moses, have developed a method to restore the effectiveness of vancomycin, a powerful antibiotic that had become less effective against certain drug-resistant bacteria. The team utilized a technique called diversity oriented clicking (DOC) to create a library of over 150 compounds. In collaboration with Scripps Research, they identified a small molecule, pghi-4, which inhibits a bacterial enzyme called secreted antigen A (SagA). This inhibition allows vancomycin to regain its ability to kill drug-resistant strains of E. faecium, a pathogen known for causing severe infections. The research highlights the potential of using existing drugs in combination with new molecules to combat antibiotic resistance.
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Challenges in Drug Discovery Highlight Need for Human-Centric Preclinical Models

Challenges in Drug Discovery Highlight Need for Human-Centric Preclinical Models

Challenges in Drug Discovery Highlight Need for Human-Centric Preclinical Models
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US to spend $5 billion on health, construction research powered by AI

US to spend $5 billion on health, construction research powered by AI

By Courtney Rozen WASHINGTON, July 22 (Reuters) - The U.S. will spend $5 billion to tackle long-standing scientific problems across multiple fields using AI, the Trump administration said in a statement on Wednesday. 
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Mount Sinai Researchers Uncover Structure of Brain Protein, Opening New Avenues for Epilepsy Treatment

Mount Sinai Researchers Uncover Structure of Brain Protein, Opening New Avenues for Epilepsy Treatment

Scientists at the Icahn School of Medicine at Mount Sinai have achieved a breakthrough in neurological research by revealing the high-resolution structure of NBCn2, a brain protein associated with epilepsy and other neurological disorders. Using cryo-electron microscopy, the team captured detailed images of NBCn2, which regulates acid-base balance in brain cells. This discovery has led to the development of the first compounds capable of inhibiting NBCn2's activity, potentially paving the way for new treatments for neurological conditions. The study, published in Nature Communications, highlights the protein's role in transporting sodium and carbonate ions to control brain cell activity. Researchers used the structural data to design compounds that reduced electrical signaling between neurons in experiments with mouse brain tissue.
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Nona Biosciences Partners with Medical University of Vienna for Antibody Development

Nona Biosciences Partners with Medical University of Vienna for Antibody Development

Nona Biosciences Partners with Medical University of Vienna for Antibody Development
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MO:BOT Enhances 3D Liver Spheroid Assay Precision and Robustness

MO:BOT Enhances 3D Liver Spheroid Assay Precision and Robustness

MO:BOT Enhances 3D Liver Spheroid Assay Precision and Robustness
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Biotech Innovations: Multiomics and Human Cell-Based Research Advancements

Biotech Innovations: Multiomics and Human Cell-Based Research Advancements

Biotech Innovations: Multiomics and Human Cell-Based Research Advancements
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Scientists Develop Computer Model to Simulate Alzheimer's Disease Spread in Brain

Scientists Develop Computer Model to Simulate Alzheimer's Disease Spread in Brain

Researchers have created a new computer model that simulates the spread of Alzheimer's disease through the brain, highlighting the impact of the brain's physical structure on disease progression. The study, published in the journal Computer Methods in Applied Mechanics and Engineering, combines the movement of toxic proteins, such as amyloid-beta and tau, with the brain's structural changes as the disease advances. This model aims to provide a deeper understanding of how microscopic changes lead to large-scale brain damage. The model incorporates the brain's white matter fiber tracts, which serve as routes for disease spread, and accounts for the brain's physical deformation due to tissue atrophy. The simulations have shown good agreement with real-world disease progression, suggesting the framework captures important features of Alzheimer's.
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New Study Highlights Coffee Compounds' Role in Protecting Aging Cells

New Study Highlights Coffee Compounds' Role in Protecting Aging Cells

New Study Highlights Coffee Compounds' Role in Protecting Aging Cells
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Researchers Map Flu Virus Interaction with Host Cells, Revealing New Insights

Researchers Map Flu Virus Interaction with Host Cells, Revealing New Insights

Researchers at EMBL Hamburg, in collaboration with the Leibniz Research Institute for Molecular Pharmacology, have successfully mapped how the influenza A virus (IAV) interacts with and rewires infected human cells. Utilizing a novel experimental workflow that combines in-cell cross-linking mass spectrometry (XL-MS) with AlphaFold-based structural modeling, the team has provided a detailed map of protein-protein interactions within IAV-infected cells. This study marks the first time that direct virus-host protein contacts have been mapped at such a scale, offering structural insights into how the virus exploits host cell machinery. The research, published in Nature Microbiology, highlights the virus's ability to hijack host compartments, such as paraspeckles, to facilitate its replication. This breakthrough could pave the way for developing better therapeutic strategies against the flu.
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Researchers Map Influenza Virus's Rewiring of Human Host Cells

Researchers Map Influenza Virus's Rewiring of Human Host Cells

Scientists at EMBL Hamburg and the Leibniz Research Institute for Molecular Pharmacology have mapped how the influenza A virus rewires human host cells. Using a specialized experimental workflow, they observed protein interactions within infected cells, providing unprecedented detail on how the virus manipulates host cell machinery. This research aims to enhance understanding of viral strategies, potentially leading to improved drug therapies and vaccines. The study marks the first time direct virus-host protein contacts have been mapped at scale within intact infected cells, offering insights into the virus's ability to hijack cellular processes.