نتایج جستجو برای: amniotic membrane

تعداد نتایج: 395570  

2013
Mehrnoosh Saghizadeh Michael A. Winkler Andrei A. Kramerov David M. Hemmati Chantelle A. Ghiam Slobodan D. Dimitrijevich Dhruv Sareen Loren Ornelas Homayon Ghiasi William J. Brunken Ezra Maguen Yaron S. Rabinowitz Clive N. Svendsen Katerina Jirsova Alexander V. Ljubimov

Human amniotic membrane is a standard substratum used to culture limbal epithelial stem cells for transplantation to patients with limbal stem cell deficiency. Various methods were developed to decellularize amniotic membrane, because denuded membrane is poorly immunogenic and better supports repopulation by dissociated limbal epithelial cells. Amniotic membrane denuding usually involves treatm...

2017
K. V. Swathi

The protective amniotic sac that is covering the foetus plays a very pivotal role in many aspects .The material which was once thought to be discarded during the delivery of the baby has now found immense applications for regeneration and revitalization of devitalized tissues. The amniotic membrane can be processed and the dehydrated amnion allograft can be used for ocular transplants, treatmen...

Journal: :Investigative ophthalmology & visual science 2004
Ken-ichi Endo Takahiro Nakamura Satoshi Kawasaki Shigeru Kinoshita

PURPOSE To reexamine whether the alpha5 chain of type IV (alpha5[IV]) collagen, thought to be absent, is in fact present in human amniotic membrane. METHODS Cryosections of human amniotic membrane obtained at Cesarean section were immunohistochemically examined for the presence of alpha5(IV), with or without inclusion of the denaturing step. Amniotic membrane was digested with collagenase to ...

Journal: :British Journal of Ophthalmology 2002

نیک نژاد, حسن, کاکاوند, مونا, یزدان پناه, قاسم,

Background and Objective: Amniotic membrane (AM) as a natural tissue has lots of unique features which make it a suitable candidate for vascular tissue engineering. The aim of this study was to evaluate blood compatibility of mesenchymal surface of the AM. Materials and Methods: In this study, the effect of mesenchymal surface of the AM on internal and external coagulation pathways, hemolysis a...

Journal: :Actas dermo-sifiliograficas 2011
S Gutiérrez-Moreno M Alsina-Gibert L Sampietro-Colom S Pedregosa-Fauste P Ayala-Blanco

BACKGROUND Standard compression therapy for venous ulcers of the legs does not promote healing. Although autografting accelerates tissue repair, it is difficult to use in patients with concomitant diseases or when multiple grafts are required. The amniotic membrane has been used as a covering material and promotes epithelialization, making it a good potential treatment option when autografts ar...

Journal: :Plastic and reconstructive surgery 2013
Nils H Rohleder Denys J Loeffelbein Wolfgang Feistl Matthias Eddicks Klaus-D Wolff Aakshay Gulati Lars Steinstraesser Marco R Kesting

BACKGROUND Oronasal fistulas are a frequent complication after cleft palate surgery. Numerous repair methods have been described, but wound-healing problems occur often. The authors investigated, for the first time, the suitability of multilayered amniotic membrane allograft for fistula repair in a laboratory experiment (part A), a swine model (part B), and an initial patient series (part C). ...

Journal: :JPMA. The Journal of the Pakistan Medical Association 2003
M A Ganatra

The first reported use of fetal membrane as skin substitute was by Davis in 1910. 1 In 1913, Salbella presented the first clinical report of successful use of amniotic membrane in the treatment of burns and skin ulcerations. 2 In 1940, DeRoth reported the use of amniotic membrane in the repair of conjuctival defects. From 1940 to 1965 a number of clinical trials of successful use of amniotic me...

Journal: :Archives of ophthalmology 2006
Alexandra Tészás Zoltán Pfund Eva Morava György Kosztolányi Erik Sistermans Ron A Wevers Richard Kellermayer

1. Letko E, Stechschulte SU, Kenyon KR, et al. Amniotic membrane inlay and overlay grafting for corneal epithelial defects and stromal ulcers. Arch Ophthalmol. 2001;119:659-663. 2. Ferreira De Souza R, Hofmann-Rummelt C, Kruse FE, Seitz B. Multilayer amniotic membrane transplantation for corneal ulcers not treatable by conventional therapy—a prospective study of the status of cornea and graft d...

Journal: :Wounds : a compendium of clinical research and practice 2012
Donald E Fetterolf Robert J Snyder

 Amniotic membrane has been employed in the treatment of wounds for almost 100 years, beginning with early application of natural amniotic membrane obtained from labor and delivery to various types of burns and wounds. Amniotic membrane is rich in collagen and various growth factors that support the healing process to both improve wound closure and reduce scar formation. Unique properties...

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