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An Unusual Case of Hemolytic Anemia: A Case Report.
Cureus
December 2024
Internal Medicine, Hospital Beatriz Ângelo, Lisboa, PRT.
Vitamin B12 deficiency is a potentially severe condition with clinical manifestations ranging from nonspecific symptoms, such as asthenia and glossitis, to severe hematological problems, including pancytopenia and megaloblastic anemia. One of the rare phenomena associated with this condition is pseudo-thrombotic microangiopathy (pseudo-TMA), which can mimic diseases such as thrombotic thrombocytopenic purpura (TTP), leading to possible misdiagnosis and inappropriate treatment. In this article, we present the case of a 62-year-old man with a history of intravenous drug use, untreated hepatitis C, smoking, and alcoholism.
View Article and Find Full Text PDFThe Role of Immune Semaphorins in Sepsis-A Prospective Cohort Study.
Microorganisms
December 2024
Department for Infectious Diseases, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia.
In sepsis, a balanced pro-inflammatory and anti-inflammatory response results in the bacterial clearance and resolution of inflammation, promoting clinical recovery and survival. Semaphorins, a large family of secreted and membrane-bound glycoproteins, are newly recognized biomarkers and therapeutic targets in immunological and neoplastic disorders. Although semaphorins might also be a crucial part of host defense responses to infection, their role in sepsis is yet to be determined.
View Article and Find Full Text PDFLabel-Free Proteomics of Severe Acute Hepatitis of Unknown Origin in Children by High-Resolution Mass Spectrometry.
ACS Omega
December 2024
Universidade Federal de Pernambuco-Instituto Keizo Asami iLIKA. Av. Prof. Moraes Rego, 1235-Cidade Universitária, 50670-901 Recife, Pernambuco, Brazil.
Acute hepatitis of unknown etiology (non-HepA-E hepatitis) emerged affecting children in 2021 and in parallel with the COVID-19 pandemic. In the present article, we performed an analysis between two plasma samples from pediatric patients, one with non-HepA-E hepatitis and the other healthy, to evaluate possible proteomic alterations associated with viral targets as possible causative agents and pathophysiological processes using the high-resolution and label-free LC-MS/MS technique. We identified 72 altered differentially expressed proteins, 45 upregulated and 27 downregulated.
View Article and Find Full Text PDFHLA Class I (A and B) Allele Polymorphism in a Moroccan Population Infected with Hepatitis C Virus.
Curr Issues Mol Biol
December 2024
Laboratory of Immunology and Human Leukocyte Antigen, Center of Clinical Research, Mohammed VI University Hospital, Marrakech 40080, Morocco.
Hepatitis C virus (HCV) infection is one of the major health burdens worldwide. Its course depends on the virus itself and the host's immune responses. The latter are conditioned by immunogenetic factors, in particular human leukocyte antigens (HLAs), whose role in determining the outcome of infection varies according to populations and ethnic groups.
View Article and Find Full Text PDFSyphilitic Hepatitis: An Uncommon Manifestation of Secondary Syphilis.
Cureus
November 2024
Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles (UCLA) Health, Los Angeles, USA.
Syphilitic hepatitis is a rare manifestation of a sexually transmitted infection. Given its nonspecific presentation, it is important for clinicians to consider the diagnosis in sexually active patients presenting with elevated liver tests. In this case, a 30-year-old man presented with an itchy rash and was diagnosed with an allergic reaction.
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