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Potential implications of granzyme B in keloids and hypertrophic scars through extracellular matrix remodeling and latent TGF-β activation.
Front Immunol
January 2025
International Collaboration on Repair Discoveries (ICORD) Centre, Vancouver Coastal Health Research Institute (VCHRI), University of British Columbia (UBC), Vancouver, BC, Canada.
Keloid scars (KS) and hypertrophic scars (HS) are fibroproliferative wound healing defects characterized by excessive accumulation of extracellular matrix (ECM) in the dermis of affected individuals. Although transforming growth factor (TGF)-β is known to be involved in the formation of KS and HS, the molecular mechanisms responsible for its activation remain unclear. In this study we investigated Granzyme B (GzmB), a serine protease with established roles in fibrosis and scarring through the cleavage of ECM proteins, as a potential new mediator of TGF-β activation in KS and HS.
View Article and Find Full Text PDFUsp7 contributes to the tail regeneration of planarians via Islet/Wnt1 axis.
J Transl Med
January 2025
College of Life Science, Henan Normal University, Xinxiang, Henan, China.
Background: Regeneration plays a key role in energy recycling and homeostasis maintenance. Planarians, as ideal model animals for studying regeneration, stem cell proliferation, and apoptosis, have the strong regenerative abilities. Considerable evidence suggests that ubiquitin plays an important role in maintaining homeostasis and regulating regeneration, but the function of Ubiquitin specific proteases 7 (Usp7) on regeneration in planarians remains elusive.
View Article and Find Full Text PDFUSP39 phase separates into the nucleolus and drives lung adenocarcinoma progression by promoting GLI1 expression.
Cell Commun Signal
January 2025
Institute of Cancer Stem Cell, Dalian Medical University, Dalian, Liaoning Province, China.
Background: Intracellular membraneless organelles formed by liquid-liquid phase separation (LLPS) function in diverse physiological processes and have been linked to tumor-promoting properties. The nucleolus is one of the largest membraneless organelle formed through LLPS. Deubiquitylating enzymes (DUBs) emerge as novel therapeutic targets against human cancers.
View Article and Find Full Text PDFBidirectional approach of Punica granatum natural compounds: reduction in lung cancer and SARS-CoV-2 propagation.
BMC Complement Med Ther
January 2025
Department of Biotechnology, Era's Lucknow Medical College and Hospital, Era University, Lucknow, India.
The spreading of COVID-19 has posed a risk to global health, especially for lung cancer patients. An investigation is needed to overcome the challenges of COVID-19 pathophysiology and lung cancer disease. This study was designed to evaluate the phytoconstituents in Punica granatum peel (PGP), its anti-lung cancer activity, and in silico evaluation for antiviral potential.
View Article and Find Full Text PDFExecutioner caspases degrade essential mediators of pathogen-host interactions to inhibit growth of intracellular Listeria monocytogenes.
Cell Death Dis
January 2025
Faculty of Science and Medicine, Department of Oncology, Microbiology and Immunology, Anatomy unit, University of Fribourg, CH-1700, Fribourg, Switzerland.
Cell death mediated by executioner caspases is essential during organ development and for organismal homeostasis. The mechanistic role of activated executioner caspases in antibacterial defense during infections with intracellular bacteria, such as Listeria monocytogenes, remains elusive. Cell death upon intracellular bacterial infections is considered altruistic to deprive the pathogens of their protective niche.
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