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Lipoprotein(a) and Atrial Fibrillation: Mechanistic Insights and Therapeutic Approaches.
Int J Med Sci
January 2025
Department of Cardiology, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, People's Republic of China.
Elevated lipoprotein(a) [Lp(a)] levels are increasingly recognized as a significant risk factor for cardiovascular diseases and may also contribute to atrial fibrillation (AF). This review investigated the indirect mechanisms through which Lp(a) may influence AF, including proatherogenic, prothrombotic, and proinflammatory pathways. Traditional lipid-lowering therapies, such as lifestyle modifications and statins, have limited effects on Lp(a) levels.
View Article and Find Full Text PDF[Research progress on molecular mechanism related to skeletal muscle atrophy].
Sheng Li Xue Bao
December 2024
Department of Orthopaedics, the First Hospital of Lanzhou University, Lanzhou 730000, China.
The maintenance of skeletal muscle quality involves various signal pathways that interact with each other. Under normal physiological conditions, these intersecting signal pathways regulate and coordinate the hypertrophy and atrophy of skeletal muscles, balancing the protein synthesis and degradation of muscle. When the total rate of protein synthesis exceeds that of protein degradation, the muscle gradually becomes enlarged, while when the total rate of protein synthesis is lower than that of protein degradation, the muscle shrinks.
View Article and Find Full Text PDF[Progress on the role of N-end rule pathways in protein degradation].
Sheng Li Xue Bao
December 2024
Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou 325000, China.
The N-end rule pathway is a protein degradation pathway mediated by the ubiquitin-proteasome system, which specifically targets and degrades target proteins by recognizing specific residues at the N-terminus of the proteins. The residues which play a crucial role in the N-end rule pathway are called degrons, also known as N-degrons, as they are usually unstable at the N-terminal end of the protein. Currently, several N-end rule pathways have been identified in the eukaryotes, including the Arg/N-end rule, Ac/N-end rule, and Pro/N-end rule pathways, as well as the recently discovered Gly/N-end rule pathway.
View Article and Find Full Text PDFPiezo1 aggravates ischemia/reperfusion-induced acute kidney injury by Ca-dependent calpain/HIF-1α/Notch signaling.
Ren Fail
December 2025
Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, China.
Macrophages play a vital role in the inflammation and repair processes of ischemia/reperfusion-induced acute kidney injury (IR-AKI). The mechanosensitive ion channel Piezo1 is significant in these inflammatory processes. However, the exact role of macrophage in IR-AKI is unknown.
View Article and Find Full Text PDFPharmacological Vitamin C-induced high HO generation mediates apoptotic cell death by caspase 3/7 activation in breast cancer tumor spheroids.
J Transl Med
January 2025
Department of Haematology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, 16150, Kelantan, Malaysia.
Background: Pharmacological vitamin C (Vit-C), or high-dose Vit-C has recently gained attention as a potential cancer therapeutic. However, the anticancer activity of Vit-C has not been investigated in realistic 3D models of human cancers, especially with respect to breast cancer (BC), and its potential benefits remain under debate. Herein, we investigate the activity and mechanism of action of pharmacological Vit-C on two BC tumor spheroids.
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