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Nuclei-free cells prove utility in delivering therapeutics to diseased tissues

Researchers successfully engineered mesenchymal stromal cells to carry and deliver therapeutics specifically to targeted tissues, offering a precise and reliable approach for treating diseases. This novel cargo-carrier, dubbed 'Cargocytes,' retains most of its cellular functionality while greatly enhancing therapeutic capacity.

SourceUniversity of California - San Diego·JournalNature Biomedical Engineering·DateJan 14, 2022

A longer-lasting COVID vaccine? UCLA study points the way

Researchers at UCLA have identified rare T cells capable of targeting a protein found in SARS-CoV-2 and other coronaviruses. By adding a fragment of this protein to vaccines, they hope to create a longer-lasting immune response and increase protection against new variants. This breakthrough could lead to more effective COVID-19 vaccines.

SourceUniversity of California - Los Angeles Health Sciences·JournalCell Reports·TypeExperimental study·DateDec 10, 2021

Discovering new drugs with Darwin

Chemists at UNIGE have developed a new method to rapidly generate millions of molecule combinations using DNA-pairing processes, finding the best match for target proteins within two weeks. This technique uses evolutionary forces to amplify the best combinations and generates diversity.

SourceUniversité de Genève·JournalNature Chemistry·TypeExperimental study·DateDec 6, 2021

New target for COVID-19 vaccines identified

Researchers have discovered a new target for COVID-19 vaccines that could complement existing vaccines by inducing an immune response against 'replication proteins', essential for the viral cycle. The approach may lead to the creation of a pan-coronaviruses vaccine protecting against SARS-CoV-2 and other coronaviruses.

SourceUniversity College London·JournalNature·TypeObservational study·DateNov 10, 2021

Blood plasma protein fibrinogen interacts directly with nerve cells to cause brain inflammation

A USF Health study reveals that fibrinogen can directly interact with neurons, leading to inflammation and neurodegeneration in Alzheimer's disease and traumatic brain injury. The researchers found that blocking the binding of fibrinogen to its receptors may alleviate short-term memory problems associated with these diseases.

SourceUniversity of South Florida (USF Health)·JournalBiomolecules·TypeExperimental study·DateNov 8, 2021

NYU Abu Dhabi researchers discover new nanobodies that can disable a key SARS-CoV-2 structural protein and disrupt viral replication

Researchers identified two nanobodies that specifically target and stabilize the tetrameric form of SARS-CoV-2 non-structural protein Nsp9, potentially repressing viral replication. These findings suggest a new antiviral strategy for diagnosis and treatment against COVID-19.

SourceNew York University·JournalAdvanced Biology·TypeExperimental study·DateOct 27, 2021

A new treatment for glaucoma?

Researchers developed a new protein treatment that prevents glaucoma from forming in mice and reduces pressure in the eyes. The study provides new targets for therapies and aims to develop an injectable treatment for patients.

SourceNorthwestern University·JournalNature Communications·DateOct 18, 2021

Researchers identify protein that prevents serious brain damage, reduces risk of fatal HSV-1 infection

University of Illinois Chicago researchers discovered a function of mammalian target of rapamycin complex 2 in an antiviral defense mechanism, limiting HSV-1 virus infection through rapid activation of antiviral immunity. The protein complex protects the host by preventing encephalitis and possible death due to HSV-1 infection.

SourceUniversity of Illinois Chicago·JournalNature Communications·TypeComputational simulation/modeling·DateOct 14, 2021

Researchers identify new drug target for blood cancer, potentially solid tumors

Researchers have discovered a new drug target for myelodysplastic syndrome (MDS) and other hematologic malignancies, which are sensitive to MEK inhibitors. The study found that mutations affecting RNA splicing alter cells to develop MDS and solid tumors, providing a potential new approach to treating this rare blood cancer.

Hopkins Med newsletter 7

Researchers identified a pattern that links the accumulation of amyloid beta (Aβ) proteins with a reduction of serotonin, which may help predict who will develop late-life depression. The study found that individuals expressing this pattern had more severe depressive symptoms.

SourceJohns Hopkins Medicine·JournalTranslational Psychiatry·DateOct 7, 2021

More effective treatment of Alzheimer’s

Researchers at Uppsala University have designed new antibodies that bind to both large and small aggregates of the amyloid-beta protein, potentially providing a more effective treatment for Alzheimer's disease. The new antibody format is stronger in binding to clumps and can also target smaller aggregates.

SourceUppsala University·JournalTranslational Neurodegeneration·TypeExperimental study·DateSep 30, 2021

Early signs of efficacy of new targeted agents and immunotherapies reported for multiple cancers at ESMO Congress 2021

New targeted therapies are being developed to target genetic alterations in cancer cells, such as the ARID1A mutation found in 10-50% of solid tumours. Early clinical trials suggest that these agents may be effective in treating multiple cancers, including breast, ovarian, and gastric cancer.

SourceEuropean Society for Medical Oncology·JournalAnnals of Oncology·DateSep 24, 2021

From Alpha to Epsilon: Consortium study illuminates surfaces of Spike most resistant to antibody escape

A global collaboration has identified three groups of antibodies resistant to mutations in the SARS-CoV-2 Spike protein, which could target vulnerable sites on the protein. The study provides a framework for selecting durable antibody cocktails for COVID-19 treatment and will guide the development of more effective antibody therapies.

SourceLa Jolla Institute for Immunology·JournalScience·TypeExperimental study·DateSep 23, 2021

Inhibiting targets of SARS-CoV-2 proteases can block infection, study shows

A study published in Nature Communications reveals the mechanisms of SARS-CoV-2 proteolysis and identifies key cellular substrates with therapeutic potential. The research provides a powerful resource for developing targeted strategies to inhibit the virus, which has caused over 227 million infections and 4.6 million deaths worldwide.

SourceUniversity of Liverpool·JournalNature Communications·TypeExperimental study·DateSep 21, 2021

Fighting brain cancer at its root

Researchers at McGill University identified proteins that drive cancer stem cells in brain tumours. Targeting the protein galectin1 may provide a more effective treatment for glioblastoma when combined with radiation therapy. The study found significant improvement in tumour response to radiation therapy, resulting in expanded lifespan.

SourceMcGill University·JournalCell Reports·TypeExperimental study·DateAug 31, 2021

Neural network detects protein-peptide binding sites to kick-start peptide drug discovery

Researchers have developed a neural network model called BiteNetPp to detect protein-peptide binding sites, enabling the design of peptide-based drugs. The model consistently outperforms existing methods and can analyze a single protein structure in under a second, making it suitable for large-scale studies.

SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalJournal of Chemical Information and Modeling·TypeData/statistical analysis·DateAug 5, 2021

A more complete molecular picture of lung squamous cell carcinoma comes into view

A comprehensive molecular map of lung squamous cell carcinoma has identified potential new drug targets, including the gene NSD3, and highlighted immune regulation pathways that could help cancer evade immunotherapies. The study's findings have also revealed metabolic dysregulation and crosstalk between different cellular processes.

SourceBroad Institute of MIT and Harvard·JournalCell·TypeComputational simulation/modeling·DateAug 5, 2021

Toxin sponges may protect poisonous frogs and birds from their own poisons, study suggests

Researchers have discovered that toxic animals produce 'toxin sponges' to mop up deadly toxins and prevent them from binding to vital proteins. This alternative autoresistance strategy may offer a general means of toxin protection, including the development of antidotes against various toxic agents.

SourceRockefeller University Press·JournalJournal of General Physiology·TypeExperimental study·DateAug 5, 2021

Harnessing AI to discover new drugs

Researchers at ETH Zurich used AI to identify target molecules of natural substances, paving the way for a new class of pharmaceutical agents. The algorithm successfully predicted human receptors and enzymes that interact with natural compounds, leading to the discovery of simpler, cheaper alternatives.

SourceETH Zurich·JournalAdvanced Science·DateJul 7, 2021

Researchers use multivalent gold nanoparticles to develop efficient molecular probe

A team of researchers from Tokyo University of Agriculture and Technology has developed a new approach to identifying and tagging specific proteins. They used multivalent gold nanoparticles as a scaffold to attach carbohydrate ligands and electrophiles, which allowed them to highly efficiently and selectively label carbohydrate-binding...

SourceTokyo University of Agriculture and Technology·JournalAngewandte Chemie International Edition·DateJul 5, 2021