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Original Article
Basic Research
Linezolid mitigates tissue injury in experimental model of pediatric testicular torsion: TLR-4/MAPK/NF-κB involvement
Moein Ghasemi, Abolfazl Basiri, Houman Kazemzadeh, Mohammad Amin Manavi, Seyed Mohammad Tavangar, Ahmad Reza Dehpour, Hamed Shafaroodi
Clin Exp Pediatr. 2025;68(9):700-711.   Published online August 26, 2025
Question: What pharmacological strategies can limit ischemia-reperfusion injury in pediatric patients with testicular torsion?
Finding: In a rat model of testicular torsion, linezolid reduced oxidative stress, inflammation, and tissue injury via the Toll-like receptor 4/mitogen-activated protein kinase/nuclear factor kappa beta pathway.
Meaning: Linezolid may offer a pharmacological approach to attenuate testicular damage in pediatric patients with testicular torsion, warranting further clinical investigation.
Infection
Evolving treatment strategies for invasive Streptococcus pyogenes in children in the postpandemic era
Laura Buricchi, Giuseppe Indolfi, Marco Renni, Elisabetta Venturini, Luisa Galli, Elena Chiappini
Clin Exp Pediatr. 2025;68(11):921-931.   Published online August 11, 2025
Question: What are the roles of linezolid, intravenous immunoglobulin (IVIG), and corticosteroids in pediatric invasive group A streptococcal infection (iGAS)? Can any improve outcomes beyond beta-lactams and clindamycin?
Finding: Two of 46 patients with iGAS died. Nearly all received beta-lactams plus clindamycin. Linezolid was effective in refractory cases. IVIG and corticosteroids had variable efficacies.
Meaning: Linezolid may be valuable in refractory cases. IVIG may be considered in severe presentations. The role of corticosteroids remains less clearly defined.


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