Study Objective: To compare the efficacy of nucleoside or nucleotide analog monotherapy for the treatment of chronic hepatitis virus B (HBV) with adefovir dipivoxil, entecavir, lamivudine, telbivudine, and tenofovir disoproxil fumarate.
Design: Mixed-treatment comparison meta-analysis of nine randomized controlled clinical trials.
Patients: A total of 3972 adults with a diagnosis of chronic hepatitis B.
Measurements And Main Results: A systematic review was conducted to search for randomized clinical trials that evaluated the efficacy of nucleoside or nucleotide analogs used as monotherapy. The evaluated outcomes were reduction of HBV DNA levels, normalization of alanine aminotransferase levels, and seroconversion of hepatitis B e antigen (HBeAg). A mixed-treatment comparison was conducted to compare the odds ratios among the treatments and to rank the therapies to determine the optimal treatment option. Tenofovir had the best results among the nucleoside or nucleotide analogs for the three evaluated efficacy outcomes in both HBeAg-positive and -negative patients.
Conclusion: Tenofovir has the highest probability of reducing HBV DNA, normalizing alanine aminotransferase levels and inducing HBeAg seroconversion after 1 year of treatment. An efficacy comparison of therapies is an important tool to guide clinicians in selecting the optimal treatment option.
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http://dx.doi.org/10.1002/phar.1188 | DOI Listing |
Nucleosides Nucleotides Nucleic Acids
January 2025
Division of Hematology, Department of Internal Medicine, Medical Faculty, Tekirdağ Namık Kemal University, Tekirdağ, Turkey.
Breast cancer is the most common malignancy that affects women. MicroRNAs (miRNAs) play an essential role in cancer therapy and regulate many biological processes such as cisplatin resistance. The study's objective was to determine whether miR-182 dysregulation was the cause of cisplatin resistance in TNBC cell line MDA-MB-231.
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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 PDFMolecules
December 2024
Institute of Organic and Analytical Chemistry (ICOA UMR 7311), CNRS, University of Orleans, F-45067 Orléans, France.
The emergence of RNA viruses driven by global population growth and international trade highlights the urgent need for effective antiviral agents that can inhibit viral replication. Nucleoside analogs, which mimic natural nucleotides, have shown promise in targeting RNA-dependent RNA polymerases (RdRps). Starting from protected 5-iodouridine, we report the synthesis of -substituted-(1,3-diyne)-uridines nucleosides and their phosphoramidate prodrugs.
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January 2025
Department of Chemistry, Indian Institute of Technology Kanpur, Uttar Pradesh 208016, India.
Herein we present a series of luminescent Tb(III)-probes ([Tb-Ltrp], [Tb-Ltyr], and [Tb-Lphe]) for sensing and discriminating purine nucleoside polyphosphates (NPP) based on a modified DTTA chelator appended to aromatic amino acids (Laa). The optically most effective luminescent [Tb-Ltrp] probe preferentially discriminates the guanine-NPPs over the adenine-NPPs PeT-based modulation of Tb(III) luminescence within the biological concentration range.
View Article and Find Full Text PDFSci Rep
January 2025
State Key Laboratory of Reproductive Medicine, Suzhou Municipal Hospital, Suzhou Affiliated Hospital of Nanjing Medical University, Gusu School, Nanjing Medical University, Suzhou, 215002, China.
The most effective method for mapping N6-methyladenosine (mA) is mA RNA immunoprecipitation sequencing (MeRIP-seq). The quality of MeRIP-seq relies on various factors, with the anti-mA antibody being a crucial determinant. However, comprehensive research on anti-mA antibody selection and optimal concentrations for different tissues has been limited.
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