Significance, the etiologic agent of plague, has been responsible for high mortality in several epidemics throughout human history. This plague bacillus has been used as a biological weapon during human history and is currently one of the deadliest biological threats. Currently, no licensed plague vaccines are available in the Western world. Since an array of immunogens are enclosed in outer membrane vesicles (OMVs), immune responses elicited by OMVs against a diverse range of antigens may reduce the likelihood of antigen circumvention. Therefore, self-adjuvanting OMVs from a remodeled strain as a type of plague vaccine could diversify prophylactic choices and solve current vaccine limitations.
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http://dx.doi.org/10.1073/pnas.2109667119 | DOI Listing |
Commun Biol
January 2025
School of Global Health, Chinese Center for Tropical Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Vibrio vulnificus is a significant zoonotic pathogen that causes severe vibriosis in humans and fish. The lack of a national annual surveillance program in China has hindered understanding of its epidemiological characteristics and genetic diversity. This study characterized 150 V.
View Article and Find Full Text PDFInt Immunopharmacol
January 2025
School of Public Health, the key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, 561113, China. Electronic address:
Long-term silica exposure to silica dust leads to irreversible pulmonary fibrosis, during which lung fibroblast activation plays an essential role. Mitochondria-associated endoplasmic reticulum membranes (MAMs) is a structural interface for communication between the outer mitochondrial membrane and the endoplasmic reticulum. VAPB-PTPIP51 is a key complex on MAMs.
View Article and Find Full Text PDFBiochemistry
January 2025
Molecular Biophysics Laboratory, Department of Biological Sciences, Indian Institute of Science Education and Research, Bhopal 462066, India.
The mitochondrial outer membrane (OMM) β-barrel proteins link the mitochondrion with the cytosol, endoplasmic reticulum, and other cellular membranes, establishing cellular homeostasis. Their active insertion and assembly in the outer mitochondrial membrane is achieved in an energy-independent yet highly effective manner by the Sorting and Assembly Machinery (SAM) of the OMM. The core SAM constituent is the 16-stranded transmembrane β-barrel Sam50.
View Article and Find Full Text PDFJ Nanobiotechnology
January 2025
Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China.
Extracellular vesicles (EVs) are membrane-bound vesicles that are shed or secreted from the cell membrane and enveloped by a lipid bilayer. They possess stability, low immunogenicity, and non-cytotoxicity, exhibiting extensive prospects in regenerative medicine (RM). However, natural EVs pose challenges, such as insufficient targeting capabilities, potential biosafety concerns, and limited acquisition pathways.
View Article and Find Full Text PDFNat Cell Biol
January 2025
Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA.
Outer mitochondrial membrane (OMM) proteins communicate with the cytosol and other organelles, including the endoplasmic reticulum. This communication is important in thermogenic adipocytes to increase the energy expenditure that controls body temperature and weight. However, the regulatory mechanisms of OMM protein insertion are poorly understood.
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