Scientists in China successfully induced granulosa cells to transform into functional oocytes in mice, which were then fertilized to produce healthy offspring. The chemical reprogramming method appears to offer a promising approach for preserving fertility and endocrine function.
Researchers have discovered a new species of goby, Larsonella pumilus, off the coast of Okinawa, revealing insights into its habitat and relationships with other deep-sea fish. The discovery was made at a depth of 214 meters, making it the deepest recorded finding of the species.
SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalZootaxa·DateDec 24, 2019
Certain bacteria, such as Shigella, use lipopolysaccharides to block caspases and prevent apoptosis, allowing them to multiply intracellularly. This strategy is essential for their survival and spread within the human body.
SourceUniversity of Cologne·JournalNature Microbiology·DateDec 24, 2019
Researchers at Washington University School of Medicine found that T cells play a critical role in protecting against staph infections. The study suggests activating untapped immune cells and immunizing infants before birth to block toxin effects. This new approach shows promise for developing an effective staph vaccine.
SourceWashington University in St. Louis·JournalJournal of Clinical Investigation·DateDec 24, 2019
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Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.
The IKBFU scientists proposed a new theory suggesting that the 'Dark Energy' is not a mysterious entity but rather a manifestation of the universe's boundaries. They draw an analogy with the Earth, where we experience attraction due to gravity but also have no physical boundaries.
SourceImmanuel Kant Baltic Federal University·JournalInternational Journal of Modern Physics D·DateDec 24, 2019
A cohort study found that preoperative N-terminal pro-B-type natriuretic peptide (NT-proBNP) concentrations were independently associated with vascular death or myocardial injury at 30 days after surgery. Preoperative NT-proBNP thresholds improved discrimination and risk stratification for patients undergoing noncardiac surgery.
SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateDec 24, 2019
Scientists at Scripps Research Institute have developed a molecular switch that enables precise control of gene therapy doses. The technique involves embedding an RNA molecule called a hammerhead ribozyme into the genes used in gene therapies, allowing doctors to regulate the dosing level.
SourceScripps Research Institute·JournalNature Biotechnology·DateDec 24, 2019
Researchers found that younger patients with stomach cancer often present with more aggressive disease, a worse prognosis, and reduced effectiveness of traditional chemotherapy treatments. The study highlights the importance of increased awareness and early detection for this increasingly prevalent form of stomach cancer.
Scientists at La Jolla Institute for Immunology found no evidence linking CD4 T cells to severe dengue hemorrhagic fever. Instead, they discovered a novel T cell response that may help counteract inflammation, suggesting a new direction for developing effective vaccines.
SourceLa Jolla Institute for Immunology·JournalCell Reports·DateDec 24, 2019
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Researchers have developed a noncontact laser ultrasound technique that generates and detects sound waves on the skin surface using eye- and skin-safe lasers. This method produces images with centimeter depths, comparable to clinical ultrasound, and shows sensitivity to tissue features currently detected by conventional ultrasound.
SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·DateDec 24, 2019
Researchers created a molecular 3D-map of nerve cells targeted by opioids in striatum, dividing it into subregions with spatiomolecular code. This knowledge may contribute to an increased understanding of normal reward processes and the effects of addictive substances on decision-making.
SourceKarolinska Institutet·JournalCell Reports·DateDec 24, 2019
Researchers analyzed animal bones from Navan Fort to discover that communities in Iron Age Ireland were highly mobile and engaged in large-scale feasting events. The study found evidence of pigs, cattle, and sheep being brought from across Ireland, including as far as Galway, Donegal, and Antrim.
SourceCardiff University·JournalScientific Reports·DateDec 24, 2019
Researchers developed a system to accurately detect space debris in Earth's orbit using laser ranging telescopes and neural networks. The new algorithm significantly improves the success rate of space debris detection, allowing for safer spacecraft maneuvers.
SourceAmerican Institute of Physics·JournalJournal of Laser Applications·DateDec 24, 2019
Typhoon Phanfone made landfall in central Philippines with NASA-NOAA's Suomi NPP satellite, revealing an intermittent eye feature. The storm has intensified to 65 knots and is forecast to strengthen further over the Sulu Sea and South China Sea.
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