The broadening of imaging capabilities and the increasing capacity of imaging to quantitate biologic processes has increased industry interest in using imaging methods in new drug development. Investigators participating in industry-sponsored trials should be aware of how such trials differ from investigator-initiated, grant-funded research. In particular, investigators should be cognizant of possible ethical conflicts in the care of patients, the development and analysis of data, and issues related to the dissemination of results.
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http://dx.doi.org/10.1016/j.jacr.2011.08.008 | DOI Listing |
J Cachexia Sarcopenia Muscle
February 2025
Department of Bioactive Material Sciences, Research Center of Bioactive Materials, Jeonbuk National University, Jeonju, Republic of Korea.
Background: The cellular prion protein (PrP), a glycoprotein encoded by the PRNP gene, is known to modulate muscle mass and exercise capacity. However, the role of PrP in the maintenance and regeneration of skeletal muscle during ageing remains unclear.
Methods: This study investigated the change in PrP expression during muscle formation using C2C12 cells and evaluated muscle function in Prnp wild-type (WT) and knock-out (KO) mice at different ages (1, 9 and 15 months).
In Vitro Model
December 2024
Institute of Applied Biotechnology, University of Applied Science Biberach, Hubertus-Liebrecht Strasse 35, 88400 Biberach, Germany.
Purpose: For optimization of respiratory drug delivery, the selection of suitable in vitro cell models plays an important role in predicting the efficacy and safety of (bio)pharmaceutics and pharmaceutical formulations. Therefore, an in-depth comparison of different primary and permanent in vitro cellular airway models was performed with a focus on selecting a suitable model for inhalative antibodies.
Methods: Primary cells isolated from the porcine trachea were compared with the established human cell lines CaLu3 and RPMI 2650.
Cureus
December 2024
Orthopaedics and Traumatology, Unidade Local de Saúde de Viseu Dão-Lafões, Viseu, PRT.
Reverse Hill-Sachs lesions (RHSL) are common complications associated with posterior shoulder dislocations and represent a significant challenge for preserving joint stability and function. If untreated, these compression fractures of the anteromedial humeral head can compromise the integrity of the joint, predisposing patients to recurrent instability and arthropathy. While various treatment modalities exist, achieving an anatomic reduction of the defect while preserving the articular cartilage remains a desirable outcome, particularly in acute settings.
View Article and Find Full Text PDFComput Methods Biomech Biomed Engin
January 2025
Department of Orthopedics and Traumatology, Izmir Bozyaka Education and Research Hospital, Izmir, Turkey.
This study introduces a novel anchor-type proximal femoral nail (AT-PFN) to improve the bone-fixation integrity over the standard screw-type nail (SST-PFN). Quasi-static incremental cyclic load test was performed to investigate load-displacement, cumulative deformation energy, time-strain, and backbone curves. The finite element analysis (FEA) was implemented to identify the stress and strain distributions.
View Article and Find Full Text PDFBMC Med Ethics
January 2025
Students Research Committee, Kurdistan University of Medical Sciences, Sanandaj, Iran.
Background: The increasing societal emphasis on physical appearance, particularly influenced by social media, has led to a significant rise in demand for aesthetic dentistry procedures. This study aims to explore the ethical dimensions of marketing practices and the phenomenon of overtreatment in cosmetic dental procedures, highlighting the implications for patient care and professional integrity.
Methods: A systematic literature review was conducted across four databases, yielding an initial 76 articles.
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