When otologic procedures that involve tympanic membrane repairs are performed, biomaterials or biological tissues as normal as grafts are used. At the moment, biological material from the own patient is used with varying success rates. The procedure used and the patient's tissue repair capabilities tend to determine the outcome. We present a preliminary study on tympanic membrane perforation repairs using an autograft obtained by manipulating platelet degranulation and the coagulation cascade and reinforced with a seal using platelet growth factors. We present three cases in which we used this procedure. The results will be valued based on the tympanic perforation closure index. With this study, we want to assess the effectiveness of tympanic perforation repairs with this technically simple method. If this method was objectively proved to be effective, it would lead to lower patient morbidity and sanitary costs.
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http://dx.doi.org/10.5402/2011/451020 | DOI Listing |
Proc Natl Acad Sci U S A
January 2025
Department of Pathology, University of California San Diego, La Jolla, CA 92093.
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Department of Medical Oncology, Artemis Hospital, Gurgaon, Haryana, India.
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View Article and Find Full Text PDFThe development of an effective and rapid method for healing the skin is of crucial importance. In this study, we prepared a porous scaffold made of polycaprolactone (PCL) and carbon quantum dots (CQDs), Fe, and Chitosan (Cs) as the scaffold core to cover the skin. Then evaluated antibacterial, biocompatibility, and wound healing properties as well as the expression of genes effective in wound healing.
View Article and Find Full Text PDFActa Pharmacol Sin
January 2025
The Fifth Affiliated Hospital, Guangdong Province & NMPA & State Key Laboratory, School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, 511436, China.
Vascular smooth muscle cell (VSMC) phenotypic switching plays a crucial role in the initiation and progression of atherosclerosis. Dehydrocorydaline (DHC), a major active component of the traditional Chinese herbal medicine Rhizoma Corydalis, exhibits diverse pharmacological effects. However, its impact on VSMCs remains largely unknown.
View Article and Find Full Text PDFEur J Dent
January 2025
Hard Tissue Pathology Unit, Graduate School of Oral Medicine, Matsumoto Dental University, Nagano, Japan.
Objectives: Plasma rich in growth factors (PRGF) is presumed to be able to stimulate the regeneration of skin and periodontal tissue. This effect can be attributed to the fact that PRGF contains fewer leukocyte-derived interleukins in comparison to platelet-rich plasma (PRP). However, a comparison of the effects of PRGF and PRP on gingival epithelial cells has not been conducted yet.
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