Background: The emerging field of stem cell-based aesthetics has raised ethical concerns related to advertising campaigns and standards for safety and efficacy.
Objectives: The authors sought to characterize the attitudes of plastic surgeons regarding the ethics of stem cell-based aesthetics.
Methods: A cross-sectional electronic survey was distributed to 4592 members of the American Society for Aesthetic Plastic Surgery and the American Society of Plastic Surgeons. Statements addressed ethical concerns about informed consent, conflicts of interest, advertising, regulation, and stem cell tourism. An agreement score (AS) from 0 to 100 was calculated for each statement. Majority agreement was designated as ≥60 and majority disagreement as ≤40.
Results: A total of 770 questionnaires were received (16.7%). The majority of respondents indicated that knowledge regarding the risks and benefits of stem cell procedures is insufficient to obtain valid informed consent (AS, 29) and that direct-to-consumer advertising for these technologies is inappropriate and unethical (AS, 23). Most respondents reported that patients should be actively warned against traveling abroad to receive aesthetic cell therapies (AS, 86) and that registries and evaluations of these clinics should be made publicly available (AS, 71). Even more respondents noted that financial conflicts of interest should be disclosed to patients (AS, 96) and that professional societies should participate in establishing regulatory standards (AS, 93).
Conclusions: The plastic surgeons surveyed in this study support a well-regulated, evidence-based approach to aesthetic procedures involving stem cells.
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http://dx.doi.org/10.1177/1090820X14539971 | DOI Listing |
Nature
January 2025
Mouse Cancer Genetics Program, Center for Cancer Research, National Cancer Institute, Frederick, MD, USA.
Sequencing-based genetic tests have uncovered a vast array of BRCA2 sequence variants. Owing to limited clinical, familial and epidemiological data, thousands of variants are considered to be variants of uncertain significance (VUS). Here we have utilized CRISPR-Cas9-based saturation genome editing in a humanized mouse embryonic stem cell line to determine the functional effect of VUS.
View Article and Find Full Text PDFTheranostics
January 2025
Center of Regenerative Medicine, Department of Stomatology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, China.
Disrupted hippocampal functions and progressive neuronal loss represent significant challenges in the treatment of Alzheimer's disease (AD). How to achieve the improvement of pathological progression and effective neural regeneration to ameliorate the intracerebral dysfunctional environment and cognitive impairment is the goal of the current AD therapy. We examined the therapeutic potential of clinical-grade human derived dental pulp stem cells (hDPSCs) in cognitive function and neuropathology in AD.
View Article and Find Full Text PDFBiotechnol Lett
January 2025
Faculty of Health and Medical Sciences, The University of Adelaide, Adelaide, SA, Australia.
Purpose: Cartilage repair necessitates adjunct therapies such as cell-based approaches, which commonly use MSCs and chondrocytes but is limited by the formation of fibro-hyaline cartilage. Articular cartilage-derived chondroprogenitors(CPs) offer promise in overcoming this, as they exhibit higher chondrogenic and lower hypertrophic phenotypes. The study aimed to compare the efficacy of various cell types derived from adult and foetal cartilage suspended in platelet-rich plasma(PRP) in repairing chondral defects in an Ex-vivo Osteochondral Unit(OCU) model.
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January 2025
Department of Pharmacy, Teerthanker Mahaveer College of Pharmacy, Teerthanker Mahaveer University, Moradabad (UP)-244001, India.
Autism Spectrum Disorder (ASD) is a neurodevelopmental condition characterized by social communication deficits and repetitive behaviors. Emerging evidence highlights the significant role of glial cells, particularly astrocytes and microglia, in the pathophysiology of ASD. Glial cells are crucial for maintaining homeostasis, modulating synaptic function, and responding to neural injury.
View Article and Find Full Text PDFPharmaceutics
November 2024
Division of Biological Chemistry and Biologicals, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki 210-9501, Kanagawa, Japan.
Extracellular vesicles (EVs), including exosomes, are promising pharmaceutical modalities. They are purified from cell culture supernatant; however, the preparation may contain EVs with the desired therapeutic effects and different types of EVs, lipoproteins, and soluble proteins. Evaluating the composition of particulate impurities and the levels of protein impurities in final preparations is critical for quality control.
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