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Successful Treatment of Cutaneous Mycobacterium chelonae Infection in an Immunocompromised Patient Using Moxifloxacin and Clarithromycin.
Cureus
December 2024
Department of Infectious Diseases, University of Tsukuba Hospital, Tsukuba, JPN.
is a ubiquitous organism classified as a nontuberculous mycobacterium that rarely causes indolent skin or soft-tissue infections, especially in immunocompromised patients. Given the rarity of infection, diagnosis can be difficult because cutaneous lesions may be considered a worsening of the underlying disease or a benign condition. Here, we report a case of a rapidly progressing cutaneous infection in a patient with nephrotic syndrome.
View Article and Find Full Text PDFThe mycobacterial ABC transporter IrtAB employs a membrane-facing crevice for siderophore-mediated iron uptake.
Nat Commun
January 2025
Institute of Medical Microbiology, University of Zurich, Zurich, Switzerland.
The mycobacterial ABC transporter IrtAB features an ABC exporter fold, yet it imports iron-charged siderophores called mycobactins. Here, we present extensive cryo-EM analyses and DEER measurements, revealing that IrtAB alternates between an inward-facing and an outward-occluded conformation, but does not sample an outward-facing conformation. When IrtAB is locked in its outward-occluded conformation in nanodiscs, mycobactin is bound in the middle of the lipid bilayer at a membrane-facing crevice opening at the heterodimeric interface.
View Article and Find Full Text PDFComparative analysis of salivary cytokine profiles in newly diagnosed pediatric patients with cancer and healthy children.
Sci Rep
January 2025
Department of Pediatric Oncology/Hematology, University Children's Hospital Basel, University of Basel, Basel, Switzerland.
Salivary cytokines have the potential to serve as biomarkers for evaluating cancer progression and treatment response in specific cancer types. This study explored salivary cytokine profiles in pediatric cancer patients and healthy controls, examining changes during chemotherapy. We conducted a prospective study involving newly diagnosed cancer patients and healthy controls under 19 years old.
View Article and Find Full Text PDFGenital orf.
BMJ Case Rep
January 2025
Dermatology, Ninewells Hospital and Medical School Department of Dermatology, Dundee, UK.
A man in his early 40s presented with extensive skin lesions in the groin and genital regions. The lesions were erythematous and maculopapular but evolved into vesicles and pustules with surrounding cellulitis. He stated that he grips livestock between his legs for sheep shearing.
View Article and Find Full Text PDFA Case of Lepromatous Leprosy Presenting With Multiple Morphologies in Philadelphia.
Cureus
December 2024
Dermatology, Temple University Hospital, Philadelphia, USA.
Leprosy is an uncommon chronic mycobacterial infection in the United States caused by . There are two major forms of the infection, lepromatous leprosy and tuberculoid leprosy, with borderline forms of each. Leprosy is even more uncommon in the Northeastern United States and can present with various symptoms and skin findings, including erythematous or hypopigmented patches or plaques with accompanying hypoesthesia or anesthesia, anhidrosis, or alopecia.
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