Group A Streptococcus causes a variety of clinical manifestations, including pharyngitis and skin and soft tissue infections as well as more invasive disease. There are also multiple nonsuppurative complications of group A Streptococcus infection, including acute rheumatic fever and poststreptococcal glomerulonephritis. Pediatricians should be able to diagnose and treat the various presentations of the infection.
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http://dx.doi.org/10.1542/pir.2023-005976 | DOI Listing |
Pediatr Dermatol
December 2024
Division of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.
A 3-year-old boy presented with an unusual combination of indurated skin, sclerotic plaques with lichenification, and yellowish papules. Histopathology revealed diffuse dermal mucin deposits, and laboratory tests showed a positive throat culture for Group A streptococcus and elevated serum anti-streptolysin titers. An 10-day course of oral amoxicillin was associated with near-complete resolution of all dermatological findings within 4 months.
View Article and Find Full Text PDFFront Nutr
December 2024
Department of Clinical Laboratory, Dalian Women and Children's Medical Group, Dalian, China.
Background: The interaction between the human breast milk microbiota and human milk oligosaccharides (HMOs) plays a crucial role in the healthy growth and development of infants. We aimed to clarify the link between the breast milk microbiota and HMOs at two stages of lactation.
Methods: The microbiota and HMOs of 20 colostrum samples (C group, 1-5 days postpartum) and 20 mature milk samples (S group, 42 days postpartum) collected from postpartum mothers were analyzed using 16S rRNA gene high-throughput sequencing and high-performance liquid chromatography-tandem mass spectrometry.
Nan Fang Yi Ke Da Xue Xue Bao
December 2024
Department of Laboratory Medicine, Hengyang First People's Hospital, Hengyang 421001, China.
Objectives: To investigate the protective effect of the probiotic bacterium K12 (K12) against (Mp) infection in mice.
Methods: Forty male BALB/c mice were randomized into normal control group, K12 treatment group, Mp infection group, and K12 pretreatment prior to Mp infection group. The probiotic K12 was administered daily by gavage for 14 days before Mp infection induced by intranasal instillation of Mp.
Am J Pathol
December 2024
Department of Periodontology, School of Dentistry, Aichi Gakuin University, Nagoya, Japan.
Periodontitis was reported to be associated with aspiration pneumonia. However, the relationship between periodontitis and aspiration pneumonia remains unclear. This study investigated the virulence factor of Porphyromonas gingivalis, which exacerbates aspiration pneumonia, and the role of IL-35, an inhibitory heterodimeric cytokine of EBI3 and p35, in aspiration pneumonia using Ebi3 knockout (KO) mice.
View Article and Find Full Text PDFGeorgian Med News
October 2024
1G. Eliava Institute of Bacteriophage, Microbiology and Virology, Tbilisi, Georgia.
The emergence of antibiotic-resistant pathogens necessitates alternative therapies for treating microbial infections, especially in the oral cavity and upper respiratory tract. Our team has developed Phage Pastilles, a controlled-release formulation containing bacteriophages that target common pathogens, including Streptococcus pyogenes, Streptococcus salivarius, Staphylococcus aureus, Enterococcus faecalis, and E. coli.
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