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Variable surface antigen expression, virulence, and persistent infection by malaria parasites.
Microbiol Mol Biol Rev
January 2025
Department of Microbiology and Immunology, Weill Cornell Medical College, New York, New York, USA.
SUMMARYThe human malaria parasite is known for its ability to maintain lengthy infections that can extend for over a year. This property is derived from the parasite's capacity to continuously alter the antigens expressed on the surface of the infected red blood cell, thereby avoiding antibody recognition and immune destruction. The primary target of the immune system is an antigen called PfEMP1 that serves as a cell surface receptor and enables infected cells to adhere to the vascular endothelium and thus avoid filtration by the spleen.
View Article and Find Full Text PDFPeripheral Vascular Emboli in Patients with Infective Endocarditis are Common.
J Vasc Surg
January 2025
Department of Surgery, Division of Vascular and Endovascular Surgery, Boston Medical Center, Boston University Chobanian and Avedisian School of Medicine, Boston, MA, USA. Electronic address:
Objective: Infective endocarditis (IE) is associated with significant morbidity and mortality and places patients at risk for subsequent peripheral vascular emboli. Our goals were to analyze the incidence of peripheral emboli and their associated complications and outcomes.
Methods: A retrospective single-center review of all patients with IE from 2013-2021 was performed.
4-Pyridone-3-carboxamide-1-β-D-ribonucleoside Reduces Cyclophosphamide Effects and Induces Endothelial Inflammation in Murine Breast Cancer Model.
Int J Mol Sci
December 2024
Department of Biochemistry, Medical University of Gdansk, 80-211 Gdańsk, Poland.
4-pyridone-3-carboxamide-1-β-D-ribonucleoside (4PYR) is a nicotinamide derivative, considered a new oncometabolite. 4PYR formation induced a cytotoxic effect on the endothelium. Elevated blood 4PYR concentration was observed in patients with cancer.
View Article and Find Full Text PDFCeliac trunk angiography with balloon occlusion of splenic artery for diagnosis and treatment of splenic steal syndrome.
Radiol Case Rep
March 2025
University of Maryland School of Medicine, Department of Diagnostic Radiology and Nuclear Medicine, Division of Vascular and Interventional Radiology, Baltimore, MD, USA.
Splenic steal syndrome (SSS) post liver transplant is a potential cause of graft dysfunction in the setting of peripheral hepatic arterial bed resistance and redirection of blood flow to a dominant splenic artery resulting in reduction of hepatic arterial inflow. We report utilization of balloon occlusion of the proximal splenic artery as an objective measure to confirm the diagnosis of SSS in a patient with orthotopic liver transplant followed by successful treatment with proximal splenic artery embolization using Gelfoam and Amplatzer vascular plug. Written informed consent for the publication of this case report was obtained from the patient.
View Article and Find Full Text PDFTranscriptome-wide dynamics of mA methylation in ISKNV and Siniperca chuatsi cells infected with ISKNV.
BMC Genomics
January 2025
State Key Laboratory of Biocontrol, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), China-ASEAN Belt and Road Joint Laboratory on Mariculture Technology, Guangdong Provincial Key Laboratory of Aquatic Economic Animals, School of Life Sciences, Sun Yat-sen University, Guangzhou, China.
Infectious spleen and kidney necrosis virus (ISKNV) is a highly virulent and rapidly transmissible fish virus that poses threats to the aquaculture of a wide variety of freshwater and marine fish. N6-methyladenosine (mA), recognized as a common epigenetic modification of RNA, plays an important regulatory role during viral infection. However, the impact of mA RNA methylation on the pathogenicity of ISKNV remains unexplored.
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