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Fractional flow reserve (FFR) and index of microcirculatory resistance (IMR) relationship in patients with chronic or stabilized acute coronary syndromes.
Int J Cardiol
January 2025
Center of Excellence in Cardiovascular Sciences, Ospedale Isola Tiberina, Gemelli Isola, Via di Ponte Quattro Capi, 39, 00186 Rome, Italy; Department of Cardiovascular and Pneumological Sciences, Università Cattolica del Sacro Cuore, Largo Agostino Gemelli, 8, 00168 Rome, Italy. Electronic address:
Aims: To investigate the influence of index of microcirculatory resistance (IMR) on fractional flow reserve (FFR) and adenosine-induced hyperemia (ΔPd/Pa-FFR) in patients with chronic (CCS) or stabilized acute coronary syndromes (ACS), utilizing various IMR threshold values.
Methods: Data were extracted from two ongoing Italian registries involving patients with CCS or stabilized ACS who underwent a #FullPhysiology approach [Pd/Pa, FFR, IMR, coronary flow reserve (CFR)] by bolus thermodilution technique in the left anterior descending artery. Correlations between IMR and both FFR and ΔPd/Pa-FFR were analyzed both globally and within three IMR-defined groups: Group 1 (IMR <25), Group 2 (25 ≤ IMR <40), and Group 3 (IMR ≥40).
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 PDFReal-world evidence of remdesivir in formerly hospitalized COVID-19 patients: patient-reported and functional outcomes.
BMC Infect Dis
January 2025
Department of Pulmonology, Semmelweis University, Budapest, Hungary.
Background: Post-COVID condition (PCC) is characterized by persisting symptoms after the resolution of acute COVID-19. Remdesivir (RDV), a broad-spectrum antiviral drug, has been widely used in patients hospitalized with COVID-19 requiring oxygen therapy. We aimed to evaluate the effects of RDV on PCC by assessing patient-reported and functional outcomes.
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.
View Article and Find Full Text PDFMETTL3-Mediated m6A Modification of ISG15 mRNA Regulates Doxorubicin-Induced Endothelial Cell Apoptosis.
J Cell Mol Med
January 2025
Zhengzhou Key Laboratory of Cardiovascular Aging, Henan Province Key Laboratory for Prevention and Treatment of Coronary Heart Disease, National Health Commission key Laboratory of Cardiovascular Regenerative Medicine, Central China Fuwai Hospital of Zhengzhou University, Fuwai Central China Cardiovascular Hospital & Central China Branch of National Center for Cardiovascular Diseases, Zhengzhou, Henan, China.
N6-adenosine methylation (m6A) of RNA is involved in the regulation of various diseases. However, its role in chemotherapy-related vascular endothelial injury has not yet been elucidated. We found that methyltransferase-like 3 (METTL3) expression was significantly reduced during doxorubicin (DOX)-induced apoptosis of vascular endothelial cells both in vivo and in vitro, and that silencing of METTL3 further intensified this process.
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