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Many diseases can induce splenomegaly, however, about 5% of splenomegalies are idiopathic. When there is no underlying treatable cause, and the splenomegaly significantly affects the quality of life, splenectomy is the best therapeutic choice. A 67-year-old woman had idiopathic and asymptomatic splenomegaly. The increase in splenomegaly resulted in hypersplenism with cytopenia and symptoms related to abdominal discomfort. The patient underwent splenectomy which led to clinical improvement. A histological examination showed the presence of hematopoietic tissue. Peripheral blood Next Generation Sequencing with the myeloid panel SOPHiA Genetics showed the following mutations: , , and . Three out of these four mutations were also found in the splenic tissue. Next Generation Sequencing could be useful in the diagnosis of splenomegalies associated with myeloproliferative neoplasms otherwise defined as idiopathic, in order to address a therapeutic strategy.
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http://dx.doi.org/10.4081/hr.2021.8814 | DOI Listing |
Zoonoses Public Health
September 2025
Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria, Onderstepoort, South Africa.
Introduction: Pigeon paramyxovirus type 1 (PPMV-1) is an antigenic variant of Avian Orthoavulavirus 1 (AOAV-1) (Newcastle disease virus) with a global distribution that causes lethal infections in pigeon and dove species. AOAV-1's infecting humans normally cause mild, self-limiting conjunctivitis, but since 2003, PPMV-1 has been associated with an increased number of severe and lethal respiratory and neurological infections in immunocompromised persons in the Netherlands, the USA, France, China and Australia.
Methods: PPMV-1's isolated from free-living pigeons and doves across South Africa from 2012 to 2024 were sequenced using conventional or next generation technologies.
Virchows Arch
September 2025
Department of Pathology & Laboratory Medicine, Cleveland Clinic Florida, Weston, FL, USA.
Langerhans cell sarcoma (LCS) is an aggressive malignant neoplasm with a Langerhans cell immunophenotype and high-grade cytological features. Occasionally, it can coexist with other hematopoietic neoplasms with proven clonal relationship. Most of these neoplasms were found to be of lymphoid origin.
View Article and Find Full Text PDFJ Microbiol Immunol Infect
August 2025
Division of Infectious Diseases and Tropical Medicine, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan. Electronic address:
Background: Acinetobacter seifertii, a recently identified member of the Acinetobacter calcoaceticus-Acinetobacter baumannii (Acb) complex, has emerged as a cause of severe human infections. It is closely related to Acinetobacter nosocomialis, a major pathogen of the Acb complex. Here, we aimed to explore the clinical and molecular differences between these two species.
View Article and Find Full Text PDFPestic Biochem Physiol
November 2025
State Key Laboratory of Agricultural and Forestry Biosecurity, College of Plant Protection, Nanjing Agricultural University, Nanjing 211800, PR China. Electronic address:
The insect ionotropic γ-aminobutyric acid (GABA) receptor is an important insecticide target, and alternative splicing (AS) among exons 3a, 3b, 6a, and 6b of its RDL subunit is ubiquitous in insects; however, the AS factors and mechanisms remain unclear. While the neuro-oncological ventral antigen (Nova) is known to regulate AS of the γ2 subunit of mammalian GABA receptors, its role in insects remains unexplored. Two CsNova isoforms, CsNova-X1 and CsNova-X3, were identified by BLAST in the third-generation transcriptome of Chilo suppressalis.
View Article and Find Full Text PDFInfect Genet Evol
September 2025
Next Generation Sequencing Unit, School of Biomedical Sciences, Faculty of Health Sciences, University of the Free State, Bloemfontein, South Africa; Division of Virology, School of Pathology, Faculty of Health Sciences, University of the Free State, Bloemfontein, South Africa. Electronic address: N
The sub-Saharan African region bears the highest burden of rotavirus-associated morbidity and mortality, with substantial genetic diversity observed in circulating strains despite vaccine introduction. The G8 genotype, originally predominant in bovine strains, has increasingly become prevalent in humans, suggesting a possible interface of animal-to-human transmission and highlighting its role in African strain diversity. In this study, we performed whole genome sequencing and evolutionary analysis of 21 archival G8P[4] strains collected through gastroenteritis surveillance in South Africa between 2009 and 2021 from children under five years of age.
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