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Proteomic and peptidomic profiling of spirulina-fortified probiotic powder formulations during in vitro digestion.
Int J Biol Macromol
January 2025
Environmenal Research and Innovation (ERIN) department, Luxembourg Institute of Science and Technology (LIST), 5 avenue des Hauts Fourneaux, L4362 Esch-sur-Alzette, Luxembourg. Electronic address:
This study reports on the influence of lactic acid fermentation on the proteomic and peptidomic profiles of spirulina protein isolate (SPI)-fortified, freeze-dried powders containing living Lacticaseibacillus rhamnosus GG (LGG) cells during in vitro digestion. For comparison, powders fortified with whey protein isolate (WPI) and pea protein isolate (PPI) were also evaluated. Prior to freeze-drying, the powder precursors were either non-treated or fermented.
View Article and Find Full Text PDFActivation of the conserved Hippo kinases by inflammasome-triggered proteolytic cleavage controls programmed cell death in macrophages.
Proc Natl Acad Sci U S A
February 2025
Department of Biological Sciences, College of Liberal Arts and Sciences, Wayne State University, Detroit, MI 48202.
The mammalian Hippo kinases, MST1 and MST2, regulate organ development and suppress tumor formation by balancing cell proliferation and death. In macrophages, inflammasomes detect molecular patterns from invading pathogens or damaged host cells and trigger programmed cell death. In addition to lytic pyroptosis, the signatures associated with apoptosis are induced by inflammasome activation, but how the inflammasomes coordinate different cell death processes remains unclear.
View Article and Find Full Text PDFHomeobox protein MSX-1 restricts hepatitis B virus by promoting ubiquitin-independent proteasomal degradation of HBx protein.
PLoS Pathog
January 2025
Department of Infectious Diseases, Shanghai Institute of Infectious Diseases and Biosecurity, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, National Medical Center for Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, China.
Hepatitis B virus (HBV) X protein (HBx) is a key factor for regulating viral transcription and replication. We recently characterized homeobox protein MSX-1 (MSX1) as a host restriction factor that inhibits HBV gene expression and genome replication by directly binding to HBV enhancer II/core promoter (EnII/Cp) and suppressing its promoter and enhancer activities. Notably, HBx expression was observed to be repressed more drastically by MSX1 compared to other viral antigens.
View Article and Find Full Text PDFRNA G-quadruplex structure-based PROTACs for targeted DHX36 protein degradation and gene activity modulation in mammalian cells.
Nucleic Acids Res
January 2025
Department of Chemistry and State Key Laboratory of Marine Pollution, City University of Hong Kong, Hong Kong SAR 999077, China.
RNA G-quadruplexes (rG4s) are non-canonical secondary nucleic acid structures found in the transcriptome. They play crucial roles in gene regulation by interacting with G4-binding proteins (G4BPs) in cells. rG4-G4BP complexes have been associated with human diseases, making them important targets for drug development.
View Article and Find Full Text PDFStructural and Mechanistic Insights into the Main Protease (Mpro) Dimer Interface Destabilization Inhibitor: Unveiling New Therapeutic Avenues against SARS-CoV-2.
Biochemistry
January 2025
Department of Biosciences and Bioengineering, Indian Institute of Technology, Roorkee, Uttarakhand 247667, India.
SARS-CoV-2 variant recurrence has emphasized the imperative prerequisite for effective antivirals. The main protease (Mpro) of SARS-CoV-2 is crucial for viral replication, making it one of the prime and promising antiviral targets. Mpro features several druggable sites, including active sites and allosteric sites near the dimerization interface, that regulate its catalytic activity.
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