The lung and thrombosis may play a key role in cancer and metastasis progression, according to a collaborative study led by Cornell University scientists. In the nonmetastatic lung microenvironment of several cancer types, the development of a prothrombosis niche promotes metastasis formation through the release of small extracellular vesicles loaded with an integrin protein.
Stimulating the body’s immune defenses against a tumor can reduce or eliminate it. However, in cancer immunotherapy, when immune checkpoint inhibitors unleash the immune system, severe autoimmunity can result. A hematological technique, extracorporeal photopheresis (ECP), could offer a solution. It reduces the therapy-induced inflammation without altering antitumor immunity. According to scientists at the Universities of Basel and Freiburg, the key lies in adiponectin, a hormone produced by fatty tissue.
Two simultaneous but independent studies published in Science identified, by introducing mutants into its genome, the essential and nonessential genes of Plasmodium knowlesi, one of the malaria parasites related to the dreaded Plasmodium vivax. Their results could help in the development and prioritization of antimalarial strategies.
Adrenomedullin, a hormone first identified in an adrenal medullary tumor, disrupts the effect of insulin on the endothelium of blood vessels, leading to insulin resistance linked to obesity and type 2 diabetes. The clue to this discovery lies in a molecular pathway that could be blocked to restore insulin function.
Scientists at the University of Pittsburgh have tested a broadly neutralizing antibody that binds the stem of a protein against H5N1 avian influenza, which prevented severe disease in nonhuman primates and was effective for at least 8 weeks. The scientists remark on the potential of the design developed by Astrazeneca plc against a possible outbreak of the influenza A virus.
Understanding the mechanisms of resistance to cancer treatments is necessary to find effective therapies at different stages of the disease. Scientists at UT Southwestern Medical Center studied the most frequent mutation in pancreatic ductal adenocarcinoma (PDAC), identified an escape route to a therapy in clinical trials, blocked it with another experimental compound and reduced tumors in mice.
The liver and pancreas are the main actors in glucose metabolism, but not the only ones. Muscles, adipose tissue and the brain play different roles. However, the prize for the best new actor in glucagon production goes to the innate lymphoid cells (ILCs), which, according to a study published in Science, respond to intestine neuron signals traveling to the pancreas to control glucose.
The way the brain ages is not the same in women and men. A study in mice has observed differences in the expression of the maternal and paternal X chromosomes that could explain variation in brain aging between the sexes and a faster deterioration in some women. Another study has discovered different survival strategies in the microglial cells of females and males. Both studies highlight sex differences that could have implications for several age-related neurological disorders, such as Alzheimer’s or Parkinson’s.
The liver and pancreas are the main actors in glucose metabolism, but not the only ones. Muscles, adipose tissue and the brain play different roles. However, the prize for the best new actor in glucagon production goes to the innate lymphoid cells (ILCs), which, according to a study published in Science, respond to intestine neuron signals traveling to the pancreas to control glucose.
Following Nobel Prize-winning chemist David Baker’s recipe for cooking an antidote to cobra venom using artificial intelligence (AI) could be faster and more effective than currently available methods. The ingredients and steps can be found in a new study published by the University of Washington scientist in collaboration with the Technical University of Denmark. They are ready for the next steps in preclinical trials.
