Osteoporosis is a medical condition in which bone becomes fragile and weak. In this condition, the quality and density of the bone are reduced. Vitamin K is vital for bone mineralization as it plays a vital role in the gamma-carboxylation of osteocalcin. Therefore, if there is a deficiency of vitamin K, it can lead to osteoporosis due to undercarboxylated osteocalcin. Warfarin is the most widely used anticoagulant in the elderly. In this article, we reviewed how Warfarin, an inhibitor of vitamin K, affects bone remodeling and leads to osteoporosis.
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http://dx.doi.org/10.7759/cureus.5504 | DOI Listing |
J Lasers Med Sci
November 2024
Department of Plastic Surgery, Daping Hospital, Army Medical University, Chongqing, 400042, China.
Trastuzumab is now increasingly being used as a potent HER2 inhibitor in treating breast cancer, while acneiform rashes sometimes arise as skin-related side effects in patients undergoing treatment with HER2 inhibitors, and their specificity as drug-induced eruptions makes their management quite challenging. Pulsed dye laser (PDL) therapy has been utilized to treat a wide variety of vascular lesions, achieving excellent outcomes. A 595 nm PDL was used to treat a 38-year-old woman suffering from an acneiform rash induced by trastuzumab as neoadjuvant therapy for breast cancer.
View Article and Find Full Text PDFProg Cardiovasc Dis
January 2025
Department of Internal Medicine, Section on Internal Medicine C, University of Verona, Italy. Electronic address:
Ejection fraction (EF) is the principal parameter used clinically to assess cardiac function and provides prognostic information. However, significant myocardial damage can be present despite preserved EF. Recently, the measurement of left ventricle (LV) deformation by global longitudinal strain (GLS) has been introduced as a novel early marker of cardiac dysfunction.
View Article and Find Full Text PDFToxicol Sci
January 2025
Takeda Development Center Americas, Inc, Cambridge, MA, USA.
The frequency of drug-induced liver injury (DILI) in clinical trials remains a challenge for drug developers despite advances in human hepatotoxicity models and improvements in reducing liver-related attrition in preclinical species. TAK-994, an oral orexin receptor 2 agonist, was withdrawn from phase II clinical trials due to the appearance of severe DILI. Here, we investigate the likely mechanism of TAK-994 DILI in hepatic cell culture systems examined cytotoxicity, mitochondrial toxicity, impact on drug transporter proteins, and covalent binding.
View Article and Find Full Text PDFJ Exp Clin Cancer Res
January 2025
Cancer Biology Graduate Program, Wayne State University School of Medicine, Detroit, MI, 48201, USA.
Background: Venetoclax + azacitidine is a frontline treatment for older adult acute myeloid leukemia (AML) patients and a salvage therapy for relapsed/refractory patients who have been treated with intensive chemotherapy. While this is an important treatment option, many patients fail to achieve complete remission and of those that do, majority relapse. Leukemia stem cells (LSCs) are believed to be responsible for AML relapse and can be targeted through oxidative phosphorylation reduction.
View Article and Find Full Text PDFBiosens Bioelectron
December 2024
Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, 21205, United States; Department of Medicine, Johns Hopkins University, Baltimore, MD, 21205, United States; Institute for NanoBio Technology, Johns Hopkins University, Baltimore, MD, 21218, United States; Center for Microphysiological Systems, Johns Hopkins University, Baltimore, MD, 21205, United States. Electronic address:
Cardiotoxicity remains a major challenge in drug development, accounting for 45% of medication withdrawals due to cardiac ischemia and arrhythmogenicity. To overcome the limitations of traditional multielectrode array (MEA)-based cardiotoxicity assays, we developed a Nafion-coated NanoMEA platform with decoupled reference electrodes, offering enhanced sensitivity for electrophysiological measurements. The 'Decoupled' configuration significantly reduced polarization resistance (Rp) from 12.
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