Can Stem Cell-Delivered Platelets Fight Drug-Resistant Bacteria?- RPTH Journal
RPTH Journal shared a post on LinkedIn about a recent article by Qirui Lin et al:
“๐๐ฎ๐ป ๐๐๐ฒ๐บ ๐ฐ๐ฒ๐น๐น-๐ฑ๐ฒ๐ฟ๐ถ๐๐ฒ๐ฑ ๐ฝ๐น๐ฎ๐๐ฒ๐น๐ฒ๐๐ ๐ณ๐ถ๐ด๐ต๐ ๐ฑ๐ฟ๐๐ด-๐ฟ๐ฒ๐๐ถ๐๐๐ฎ๐ป๐ ๐ฏ๐ฎ๐ฐ๐๐ฒ๐ฟ๐ถ๐ฎ?
MRSA infections remain a serious clinical challenge in the era of multidrug resistance.
Platelets are known to have antibacterial properties โ but the mechanisms are incompletely understood, and whether induced pluripotent stem cell-derived platelets (iPSC-PLTs) share this capacity had never been tested.
A new study in RPTH Journal investigated the MRSA-killing potential of iPSC-PLTs and the mechanisms involved.
Key findings:
- All 3 iPSC-PLT clones demonstrated MRSA-killing capacity in vitro
- MyD88-deficient iPSC-PLTs showed impaired killing
- MRSA ฮฑ-toxin (Hla) suppressed iPSC-PLT bactericidal function
iPSC-PLTs offer a unique advantage:
They are gene-editable, making them a powerful platform for investigating platelet antimicrobial function, and potentially a novel therapeutic tool against resistant infections.”
Title: Induced pluripotent stem cell-derived platelets kill multidrug-resistant Staphylococcus aureus via Toll-like receptor 2-MyD88 signaling and immunoglobulin G/FcyRIIA engagement
Authors: Qirui Lin, Kimiko Nonomura, Ieva Stirblyte, Sou Nakamura, Satoshi Uchiyama, Masaya Yamaguchi, Shigetada Kawabata, Miki Nagao, Katsue Suzuki-Inoue, Victor Nizet, Koji Eto, Naoshi Sugimoto
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