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Acidic pH can attenuate immune killing through inactivation of perforin.
EMBO Rep
January 2025
Killer Cell Biology Laboratory, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia.
Cytotoxic lymphocytes are crucial to our immune system, primarily eliminating virus-infected or cancerous cells via perforin/granzyme killing. Perforin forms transmembrane pores in the plasma membrane, allowing granzymes to enter the target cell cytosol and trigger apoptosis. The prowess of cytotoxic lymphocytes to efficiently eradicate target cells has been widely harnessed in immunotherapies against haematological cancers.
View Article and Find Full Text PDFSerological insights from SARS-CoV-2 heterologous prime and boost responses in Thailand.
Sci Rep
January 2025
Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine (LSHTM), Keppel Street, London, WC1E 7HT, UK.
During the COVID-19 pandemic, heterologous vaccination strategies were employed to alleviate the strain on vaccine supplies. The Thailand Ministry of Health adopted these strategies using vector, inactivated, and mRNA vaccines. However, this approach has introduced challenges for SARS-CoV-2 sero-epidemiology studies.
View Article and Find Full Text PDFUnexpected renal side effects of mRNA COVID-19 vaccines; a single-center experience and short review.
Am J Med Sci
January 2025
Department of Internal Medicine and Oncology, Faculty of Medicine, Semmelweis University, Budapest, Hungary.
Background: In late 2019, the World Health Organization declared Coronavirus disease 2019 a global emergency. Since then, many vaccines have been developed to combat the pandemic. Millions of people have received one of the approved COVID-19 vaccines; unfortunately, some adverse events also have been recorded.
View Article and Find Full Text PDFComparison of the role of vitamin D in normal organs and those affected by COVID-19.
Int J Med Sci
January 2025
Department of Biological Sciences, College of Science, King Faisal University, Al-Ahsa, Kingdom of Saudi Arabia.
The outbreak of COVID-19 has opened up new avenues for exploring the importance of vitamin D in immunity, in addition to its role in calcium absorption. Recently, vitamin D supplementation has been found to enhance T regulatory lymphocytes, which are reduced in individuals with COVID-19. Increased risk of pneumonia and increases in inflammatory cytokines have been reported to be major threats associated with vitamin-D deficiency.
View Article and Find Full Text PDFHarnessing light-activated gallium porphyrins to combat intracellular Staphylococcus aureus using an in vitro keratinocyte infection model.
Sci Rep
January 2025
Laboratory of Photobiology and Molecular Diagnostics, Intercollegiate Faculty of Biotechnology, University of Gdansk and Medical University of Gdansk, Gdańsk, Poland.
Staphylococcus aureus (S. aureus) can survive inside nonprofessional phagocytes such as keratinocytes, enabling it to evade antibiotics and cause recurrent infections once treatment stops. New antibacterial strategies to eliminate intracellular, multidrug-resistant bacteria are needed.
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