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Rational design of 3D-printed scaffolds for breast tissue engineering using structural analysis.
Biofabrication
January 2025
Biomedical Engineering Department, Technion Israel Institute of Technology, Technion City, Haifa 32000, Haifa, Haifa, 3200003, ISRAEL.
Best cosmetic outcomes of breast reconstruction using tissue engineering techniques rely on the scaffold architecture and material, which are currently both to be determined. This study suggests an approach for a rational design of breast-shaped scaffold architecture, in which structural analysis is implemented to predict its stiffness and adjust it to that of the native tissue. This approach can help achieve the goal of optimal scaffold architecture for breast tissue engineering.
View Article and Find Full Text PDFMobilization of subcutaneous fascia contributes to the vascularization and function of acellular adipose matrix via formation of vascular matrix complex.
Mater Today Bio
February 2025
The Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 1838 Guangzhou North Road, Guangzhou, 510515, Guangdong, China.
Regenerative biomaterials are commonly used for soft-tissue repair in both pre-clinical and clinical settings, but their effectiveness is often limited by poor regenerative outcomes and volume loss. Efficient vascularization is crucial for the long-term survival and function of these biomaterials in vivo. Despite numerous pro-vascularization strategies developed over the past decades, the fundamental mechanisms of vascularization in regenerative biomaterials remain largely unexplored.
View Article and Find Full Text PDFMicrovessel co-transplantation improves poor remuscularization by hiPSC-cardiomyocytes in a complex disease model of myocardial infarction and type 2 diabetes.
Stem Cell Reports
January 2025
Toronto General Hospital Research Institute, University Health Network, 101 College St., Toronto, ON M5G 1L7, Canada; Institute of Biomedical Engineering, University of Toronto, Toronto, ON, Canada; Laboratory of Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada; Heart & Stroke/Richard Lewar Centre of Excellence, University of Toronto, Toronto, ON, Canada; Ajmera Transplant Center, University Health Network, Toronto, ON, Canada. Electronic address:
People with type 2 diabetes (T2D) are at a higher risk for myocardial infarction (MI) than age-matched healthy individuals. Here, we studied cell-based cardiac regeneration post MI in T2D rats modeling the co-morbid conditions in patients with MI. We recapitulated the T2D hallmarks and clinical aspects of diabetic cardiomyopathy using high-fat diet and streptozotocin in athymic rats, which were then subjected to MI and intramyocardial implantation of human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) with or without rat adipose-derived microvessels (MVs).
View Article and Find Full Text PDFGLP-1 Agonists in Plastic Surgery: Impact on Aesthetic Outcomes-Two Case Reports.
Aesthetic Plast Surg
January 2025
UOSD Chirurgia Plastica, Dipartimento per la Salute della Donna, del Bambino e di Sanità Pubblica - Fondazione Policlinico Universitario "Agostino Gemelli" IRCCS - Università Cattolica del "Sacro Cuore", Largo A. Gemelli 8, 00168, Rome, Italy.
Background: Obesity is a growing global epidemic, with glucagon-like peptide-1 (GLP-1) receptor agonists emerging as effective pharmacological solutions for weight loss. However, these medications raise concerns in the context of aesthetic and reconstructive surgery due to their effects on wound healing, adipose tissue metabolism, and their potential impact on surgical outcomes.
Objective: To report two cases of delayed wound healing and fat necrosis in patients undergoing breast surgery while receiving GLP-1 receptor agonists for weight management.
Association of Epicardial Adipose Tissue and Ventricular Arrhythmias in Patients With Nonischemic Cardiomyopathy.
JACC Adv
December 2024
Department of Medicine (Cardiovascular Division), Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA.
Background: Risk stratification for sudden cardiac death (SCD) in patients with nonischemic cardiomyopathy (NICM) remains challenging.
Objectives: This study aimed to investigate the impact of epicardial adipose tissue (EAT) on SCD in NICM patients.
Methods: Our study cohort included 173 consecutive patients (age 53 ± 14 years, 73% men) scheduled for primary prevention implantable cardioverter-defibrillators (ICDs) implantation who underwent preimplant cardiovascular magnetic resonance.
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