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Coupling of Size Exclusion Chromatography to High Throughput Charge Detection Mass Spectrometry for the Analysis of Large Proteins and Virus-like Particles.
Anal Chem
January 2025
Chemistry Department, Indiana University, Bloomington, Indiana 47405, United States.
Charge detection mass spectrometry (CD-MS) is an emerging single-particle technique where both the / and charge are measured individually to determine each ion's mass. It is particularly well-suited for analyzing high mass and heterogeneous samples. With conventional MS, the loss of charge state resolution with high mass samples has hindered the direct coupling of MS to separation techniques like size exclusion chromatography (SEC) and forced the use of lower resolution detectors.
View Article and Find Full Text PDFHepatitis C Virus Seroprevalence, Incidence, and Screening Patterns in Ontario Preexposure Prophylaxis Users.
Open Forum Infect Dis
January 2025
Division of Infectious Diseases, St Michael's Hospital, Toronto, Canada.
Background: Hepatitis C virus (HCV) has emerged as a sexually transmitted infection in gay, bisexual, and other men who have sex with men (GBM). We estimated the seroprevalence and incidence of HCV infection and examined patterns of HCV testing among GBM using human immunodeficiency virus preexposure prophylaxis (PrEP) in Ontario, Canada.
Methods: We analyzed data from the Ontario PrEP Cohort Study (ON-PrEP), a prospective cohort of PrEP users from 10 Ontario clinics.
Timing of post-vaccination tests in infants born to mothers with chronic hepatitis B virus infection.
World J Hepatol
January 2025
Division of Pediatric Infectious Diseases, Department of Pediatrics, Selcuk University Faculty of Medicine, Konya 42130, Türkiye.
Immunoprophylaxis is routinely recommended for infants born to mothers with hepatitis B virus (HBV) infection within the first 12-24 hours. Detection of hepatitis B surface antibody (HBsAb) resulting from hepatitis B immunoglobulin administered at birth may be perceived as a real vaccine response. This makes it difficult to detect HBV infection.
View Article and Find Full Text PDFClinical features of abnormal α-fetoprotein in 15 patients with chronic viral hepatitis B after treatment with antiviral drugs.
World J Hepatol
January 2025
Ganzhou Institute of Liver Disease, Department of Hepatology, Ganzhou Fifth People's Hospital, Ganzhou 341000, Jiangxi Province, China.
Background: Liver function of chronic hepatitis B (CHB) patients is essentially normal after treatment with antiviral drugs. In rare cases, persistently abnormally elevated α-fetoprotein (AFP) is seen in CHB patients following long-term antiviral treatment. However, in the absence of imaging evidence of liver cancer, a reasonable explanation for this phenomenon is still lacking.
View Article and Find Full Text PDFTIM-1 attenuates airway mucus hypersecretion and inflammation induced by cigarette smoke via the PI3K/Akt signaling pathway.
Pharmazie
December 2024
Department of Respiratory Medicine, Fourth Affiliated Hospital, Harbin Medical University Harbin, Heilongjiang, China.
Cigarette smoke extract (CSE)-induced airway mucus hypersecretion and inflammation are prominent features of chronic obstructive pulmonary disease (COPD). As a factor associated with inflammation regulation, T cell immunoglobulin and mucin domain-1 (TIM-1) is found to be involved in various inflammatory disorders such as asthma and COPD. In this study, the GEO database provides two human COPD gene expression datasets (GSE67472, n = 62) along with the relevant controls (n = 43) for differentially expressed gene (DEG) analyses.
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