Zohreh Shalchi

Evaluation of oxidative stress level: total antioxidant capacity, malondialdehyde and superoxide dismutase activity in children with pneumonia compared to healthy children

Viral pneumonia is a leading cause of death in young children worldwide. Oxidant/antioxidant imbalance has been reported in various infectious diseases. This study aimed to evaluate oxidative stress and antioxidant defense markers — specifically malondialdehyde (MDA), total antio...

Central role of vapBC toxin–antitoxin system expression in the pathogenicity and antimicrobial resistance of Shigella sonnei isolates from pediatric diarrheal patients

Shigella sonnei , a Gram-negative bacterium, has been identified as a primary causative agent of gastrointestinal disease in humans. Antibiotic resistance has emerged as a critical concern in the context of Shigella species, thereby complicating the effective treatment of shigell...