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http://dx.doi.org/10.1590/0037-8682-0154-2022 | DOI Listing |
J Pediatr Hematol Oncol
January 2025
Departments of Laboratory Medicine.
Fetal and neonatal alloimmune thrombocytopenia (FNAIT) results from maternal antibodies targeting fetal platelets during pregnancy, often causing hemorrhagic manifestations detectable antenatally or shortly after birth. We report an atypical form of FNAIT with delayed onset in a healthy, breastfed male infant who developed diffuse petechiae 2 weeks after birth due to severe thrombocytopenia. The mother was shown to be negative for the human platelet antigen-1a (HPA-1a) allele but had anti-HPA-1a IgG antibodies, while the father and newborn were HPA-1a positive, confirming the diagnosis.
View Article and Find Full Text PDFAm J Case Rep
January 2025
Department of Pathology, Hospital Selayang, Batu Caves, Selangor, Malaysia.
BACKGROUND Primary cutaneous lymphomas (PCL) are a multifaceted spectrum of cutaneous T cell lymphoma (CTCL) and cutaneous B cell lymphomas (CBCL). Mycosis fungoides (MF) is a rare subset of CTCL that primarily affects adults, and its occurrence in children is exceedingly rare. Most pediatric MF manifests as hypopigmented patches resembling other benign dermatoses, causing diagnostic challenges.
View Article and Find Full Text PDFAm J Trop Med Hyg
January 2025
Pediatric Neurology Division, Department of Pediatrics, All India Institute of Medical Sciences, Rishikesh, India.
Opsoclonus myoclonus ataxia syndrome (OMAS) is a rare neuroinflammatory disorder that is typically associated with paraneoplastic and postinfectious processes. Opsoclonus myoclonus ataxia syndrome has not been previously reported in association with tuberculous meningitis (TBM). This report presents a unique case in which TBM manifested as OMAS, highlighting the complex interplay between tuberculosis and autoimmune neurological conditions.
View Article and Find Full Text PDFCells
December 2024
Department of Neurobiology, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
Rett syndrome (RTT), which predominantly affects females, arises in most cases from mutations in the () gene. When MeCP2 is impaired, it disrupts the regulation of numerous genes, causing the production of dysfunctional proteins associated with various multi-systemic issues in RTT. In this review, we explore the current insights into molecular signaling related to monoamines, immune response, and mitochondrial function, and their implications for the pathophysiology of RTT.
View Article and Find Full Text PDFTheranostics
January 2025
Hepatic Surgery Center, and Hubei Province for the Clinical Medicine Research Center of Hepatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, P. R. China.
Tumorigenesis involves a multifaceted and heterogeneous interplay characterized by perturbations in individual immune surveillance. Tumor-infiltrating lymphocytes, as orchestrators of adaptive immune responses, constitute the principal component of tumor immunity. Over the past decade, the functions of tumor-specific T cells have been extensively elucidated, whereas current understanding and research regarding intratumoral B cells remain inadequate and underexplored.
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