The requirements for patenting inventions relating to biotechnology have become increasingly strict and complicated in recent years. Despite early patent rulings that there is no need for an inventor to "reduce to practice" an invention, the courts are now ruling that an inventor must "possess" his or her invention before filing for patent. This review discusses what such "possession" may mean and describes decisions in which courts have found that an inventor has met or failed the possession test before filing for patent protection.
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| http://dx.doi.org/10.1101/cshperspect.a020867 | DOI Listing |
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Single-cell profiling aligns CD56 and cytomegalovirus-induced adaptive natural killer cells to a naïve-memory relationship.
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Human Oncology and Pathogenesis Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, United States.
Development of antigen-specific memory upon pathogen exposure is a hallmark of the adaptive immune system. While natural killer (NK) cells are considered part of the innate immune system, humans exposed to the chronic viral pathogen cytomegalovirus (CMV) often possess a distinct NK cell population lacking in individuals who have not been exposed, termed "adaptive" NK cells. To identify the "naïve" population from which this "memory" population derives, we performed phenotypic, transcriptional, and functional profiling of NK cell subsets.
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Nature
December 2024
Department of Biochemistry, University of Washington, Seattle, WA, USA.
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Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA 92037, USA; Scripps Consortium for HIV/AIDS Vaccine Development (CHAVD), La Jolla, CA 92037, USA; Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California, San Diego (UCSD), La Jolla, CA 92037, USA. Electronic address:
During antigen-driven responses, B cells can differentiate at extra-follicular (EF) sites or initiate germinal centers (GCs) in processes that involve interactions with TÂ cells. Here, we examined the roles of interleukin (IL)-2 secreted by T helper (Th) cells during cognate interactions with activated B cells. IL-2 boosted the expansion of EF plasma cells and the secretion of low-mutated immunoglobulin G (IgG).
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Department of Chemistry, Duke University, Durham, North Carolina 27708, United States.
Enterobacterales, a large order of Gram-negative bacteria, including and , are major causes of urinary tract and gastrointestinal infections, pneumonia, and other diseases in healthcare settings and communities. ESBL-producing Enterobacterales and carbapenem-resistant Enterobacterales can break down commonly used antibiotics, with some strains being resistant to all available antibiotics. This public health threat necessitates the development of novel antibiotics, ideally targeting new pathways in these bacteria.
View Article and Find Full Text PDFHigh-resolution transcranial optical imaging of in vivo neural activity.
Sci Rep
October 2024
John Hopkins University Applied Physics Laboratory, Laurel, MD, 20723, USA.
Rapid sub-nanometer neuronal deformations have been shown to occur as a consequence of action potentials in vitro, allowing for optical registration of discrete axonal and synaptic depolarizations. Such optically-measured deformations are a novel signature for recording neural activity. We demonstrate this signature can be extended to in vivo measurements through recording of rapid neuronal deformations on the population level with holographic, optical phase-based recordings.
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