نتایج جستجو برای: amniotic membrane
تعداد نتایج: 395570 فیلتر نتایج به سال:
BACKGROUND Mesenchymal stem cells (MSCs) are ideal candidates for treatment of diseases. Amniotic membranes are an inexpensive source of MSCs (AM-MSC) without any donor site morbidity in cell therapy. Adipose tissue derived stem cells (ASCs) are also suitable cells for cell therapy. There is discrepancy in CD271 expression among MSCs from different sources. In this study, the characteristics...
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the past decade has witnessed the revival of amniotic membrane transplantation (amt) in ophthalmology. the importance of amt is due to its ability to reduce scarring and inflammation and to enhance wound healing and epithelialization, and also its anti-microbial properties. amniotic membrane has recently been used as a substrate for culturing limbal stem cells for transplantation. it has been u...
PURPOSE Surgery to reconstruct the ocular surface is greatly facilitated by the use of amniotic membrane, either as a biologic drape or, more recently, as a substrate for the transplantation of cultivated corneal epithelial cells. This study was designed to compare the usefulness of intact and denuded human amniotic membranes as a substrate for corneal epithelial cell culture. METHODS Small (...
purpose: to compare outcomes and recurrence rates of amniotic membrane transplantation (amt) plus intraoperative mitomycin c (mmc) and conjunctival rotational autograft (cra) plus intraoperative mmc in pterygium surgery methods: ninety-two eyes of 92 patients with primary nasal pterygium were enrolled. all patients were randomized to undergo either amt or cra. forty-three patients underwent amt...
Background: For nearly 100 years, amniotic membranes have been used to treat various types of skin wounds. Amniotic extract is one of the derivatives of amniotic membrane that contains all the properties of amniotic membrane. The aim of this study was to evaluate the safety of the amniotic membrane extract in the treatment of diabetic ulcers. Methods: This study was an Open labeled clinical tr...
Background and Aim: One of the complications following major oral surgeries is mucosal defects and delayed healing process. Up to now, various mucocutaneous grafts have been used in this field and recently, amniotic membrane has been proposed as a biological dressing in dermatologic, ophthalmologic and otolaryngologic practices. The purpose of this pilot study was to evaluate the healing proces...
PURPOSE The immunogenic characterization of amniotic membrane is still unknown. This study was designed to examine the immunogenicity of human amniotic membrane, by using experimental xenotransplantation models. METHODS Anti-human class I, class II, and Fas ligand monoclonal antibodies were used against cryopreserved amniotic membrane and cell viability tested for cryopreserved amniotic membr...
Background and Aims: Currently, there are antiviral chemicals used to treat viral infections accompanied by limitations such as high levels of toxicity and adverse effects in humans, the emergence of drug-resistant viral strains, low numbers, and limited diversity. Therefore, it is necessary to evaluate new photochemical to obtain new therapeutic methods. The present study was conducted to eval...
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