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Bi-ventricular elastic material parameters estimation using 3D CMR myocardial strains in rheumatic heart disease patients.
J Biomech
January 2025
Division of Cardiology, Department of Medicine, University of Cape Town, Cape Town, South Africa; Cape Universities Body Imaging Centre, Faculty of Health Sciences, University of Cape Town, South Africa; South African Medical Research Council Extramural Unit on Intersection of Noncommunicable Diseases and Infectious Diseases. Electronic address:
Understanding the elastic material behavior of myocardium during the diastolic phase is critical for evaluating cardiac function and improving treatments for diastolic abnormalities. This study introduces a novel multi-objective optimization framework that incorporates both strain and volume measurements to enhance the accuracy of myocardial property assessments in Rheumatic Heart Disease (RHD) patients and healthy controls. By employing global volume and strain measurements instead of segmented strains from the sixteen AHA regions, we achieve a robust alignment with the Klotz curve across all groups, indicating an accurate simulation of end-diastolic pressure-volume relationships (EDPVRs).
View Article and Find Full Text PDFThe role of largemouth bass NF-κB/p65: Inhibition of LMBV and activator of IL-18 promoter.
Fish Shellfish Immunol
January 2025
College of Marine Sciences, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, China; Nansha-South China Agricultural University Fishery Research Institute, Guangzhou, 511464, China. Electronic address:
Nuclear factor-κB (NF-κB)/p65, a vital signaling molecule in the NF-κB pathway, participates in diverse physiological functions and host-virus interactions. However, the involvement of NF-κB/p65 in fish virus infection remains poorly understood. In this study, we explored the role of the p65 in virus infection and its impact on IL-18 regulation in largemouth bass (Micropterus salmoides).
View Article and Find Full Text PDFSirt1 blocks nucleus pulposus and macrophages crosstalk by inhibiting RelA/Lipocalin 2 axis.
J Orthop Translat
January 2025
Department of Orthopaedics, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Rd, Nanjing, 210029, China.
Article Synopsis
- Intervertebral disc degeneration (IVDD) is a major cause of low back pain, and while Sirt1 agonists show promise in protecting intervertebral discs, the exact mechanisms involved are not fully understood.
- The study utilized various models to investigate the role of Sirt1 in disc cell inflammation and homeostasis, revealing that Sirt1 overexpression can inhibit inflammation and matrix degradation in degenerating discs.
- Findings suggest that Sirt1 regulates inflammation by negatively impacting Lipocalin 2, signaling a potential pathway for developing treatments aimed at preventing IVDD progression.
Rh blood group caused by novel base deletion and comprehensive pedigree analysis.
Int Immunopharmacol
February 2025
Department of Transfusion Medicine, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou 225300, Jiangsu, China. Electronic address:
Objective: The objective of this study was to rigorously investigate and elucidate the genetic mechanisms underlying the formation of the RH blood group in a specific case and to systematically analyse the RH blood group genes among the family members of the proband.
Methods: Serological methods were used to determine the RH blood group phenotype of the proband. To elucidate the underlying genetic mechanism responsible for the RH phenotype, a comprehensive approach was undertaken, including RHCE genotyping, sequencing of RHD and RHCE genes, and exon sequencing of RHAG.
RHCE genotyping using next generation sequencing: Allele specific reference sequences.
Transfusion
December 2024
School of Biomedical Sciences, Faculty of Health, University of Plymouth, Plymouth, UK.
Background: The Rh blood group system (ISBT004) is encoded by two homologous genes, RHD and RHCE. Polymorphism in these two genes gives rise to 56 antigens, which are highly immunogenic and clinically significant. This study extended previous work on the establishment of RHD allele specific reference sequences using next generation sequencing (NGS) with the Ion Personal Genome Machine (Ion PGM) to sequence the complete RHCE gene.
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