We report a case of a 7-year-old unimmunized child who presented with a 2 week history of nasal quality speech, hoarseness of the voice, regurgitation of feeds, and unstable gait. He had a previous history of fever, severe sore throat and bloody nasal discharge. A throat swab was negative for Corynebacterium diphtheria; however, he had received antibiotics at a primary care clinic prior to presentation. A clinical diagnosis of diphtheria with neurologic complication was made and the child was started on oral erythromycin, nasogastric tube feeding and daily physiotherapy, following which he improved. We did not prescribe diphtheria anti-toxin because of its unavailability.
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http://dx.doi.org/10.1177/0049475513512644 | DOI Listing |
Vaccine
January 2025
Pediatric Infectious Disease Research Center, Tehran University of Medical Sciences, Tehran, Iran; Department of Infectious Diseases, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran. Electronic address:
Introduction: The prevalence of anti-pertussis antibodies among infants and children in Iran has not been thoroughly investigated. Given that recommendations for booster vaccines are based on national disease epidemiology, we aimed to evaluate the seroprevalence of pertussis antibodies among infants and children in an Iranian referral hospital.
Materials And Methods: A total of 1012 infants and children were included in the study.
mBio
January 2025
Department of Biochemistry, University of Toronto, Toronto, Ontario, Canada.
Many bacterial toxins exert their cytotoxic effects by enzymatically inactivating one or more cytosolic targets in host cells. To reach their intracellular targets, these toxins possess functional domains or subdomains that interact with and exploit various host factors and biological processes. Despite great progress in identifying many of the key host factors involved in the uptake of toxins, significant knowledge gaps remain as to how partially characterized and newly discovered microbial toxins exploit host factors or processes to intoxicate target cells.
View Article and Find Full Text PDFJ Clin Invest
January 2025
Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University; State Key Laboratory of Vascular Homeostasis and Remodeling, Peking University, Beijing, China.
The pathogenesis of thoracic aortic aneurysm (TAA) in Marfan syndrome (MFS) is generally attributed to vascular smooth muscle cell (VSMC) pathologies. However, the role of immune cell-mediated inflammation remains elusive. Single-cell RNA sequencing identified a subset of CX3CR1+ macrophages mainly located in the intima in the aortic roots and ascending aortas of Fbn1C1041G/+ mice, further validated in MFS patients.
View Article and Find Full Text PDFArch Dis Child
January 2025
Department of Infection and Immunity, Monash Children's Hospital, Clayton, Victoria, Australia.
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