نتایج جستجو برای: amniotic membrane

تعداد نتایج: 395570  

Journal: :Quality in Sport 2023

This article explores the potential benefits and challenges of using amniotic membrane in surgical procedures. Amniotic membranes have been shown to possess anti-inflammatory, anti-scarring, antimicrobial properties, which can promote wound healing tissue regeneration. They be utilized a variety settings, including ophthalmology, plastic surgery, orthopedics. However, use also poses certain lim...

Journal: :Molecular vision 2003
Yiqin Du Jing Chen James L Funderburgh Xiuan Zhu Lingsong Li

PURPOSE To investigate the phenotype of fetal and adult human limbal cells cultured on human amniotic membrane and the ability of cultured adult human limbal cells to repair limbal stem cell deficiency in a rabbit model. METHODS Human adult and fetal limbal cells were isolated and cultured either on plastic plates or on human amniotic membrane. Connexin43, p63, and keratins 3 and 12 (K3 and K...

Journal: :Journal of cellular physiology 2008
Wei Li Hua He Ying-Ting Chen Yasutaka Hayashida Scheffer C G Tseng

Myofibroblasts play an important role in morphogenesis, inflammation, and fibrosis in most tissues. The amniotic membrane stroma can maintain keratocytes in cultures and prevent them from differentiating into myofibroblasts. However, it is unknown whether the AM stroma can also reverse differentiated myofibroblasts. In this study, we found that amniotic membrane stromal cells (AMSCs), which ado...

2017
Mudasir Zahoor Imtiyaz Ahmad Lone Nusrat Shaheen Reyaz A Untoo

Aim: To compare the recurrence rate of pterygium after excision with free conjunctival autograft versus amniotic membrane graft. Methods: The present study was a comparative, randomised prospective study. One hundred patients who presented with primary pterygium during the study period were randomly assigned to one of the two groupsone group (comprising of 50 patients) underwent pterygium excis...

Journal: :Archives of Ophthalmology 2008

2013
Kyoung Woo Kim Yeoun Sook Chun Jae Chan Kim

PURPOSE To introduce autologous tragal perichondrium transplantation as a novel surgical modality for the management of intractable symptomatic bullous keratopathy. METHODS In three eyes of three patients with painful bullous keratopathy, autologous tragal perichondria were transplanted on the corneal surface with the human amniotic membrane transplanted above. We included an additional three...

2017
Abhishek Gautam

Background: The purpose of this clinical trial was to compare the outcome of gingival recession technique using the coronally advanced flap (CAF) with platelet-rich fibrin (PRF) and amniotic membrane. Materials and methods: About 15 patients with bilateral Miller class I buccal gingival recessions (4–5 mm) in maxillary and mandibular canines were selected. The recessions were randomly assigned ...

Journal: :The British journal of ophthalmology 2000
D H Ma L C See S B Liau R J Tsai

AIM To study the efficacy and safety of amniotic membrane graft as an adjunctive therapy after removal of primary pterygium, and to compare the clinical outcome with conjunctival autograft and topical mitomycin C. METHODS 80 eyes of 71 patients with primary pterygia were treated with excision followed by amniotic membrane graft. The result was compared retrospectively with 56 eyes of 50 patie...

2007
Kyoko Ono Seiichi Yokoo Tatsuya Mimura Tomohiko Usui Kazunori Miyata Makoto Araie Satoru Yamagami Shiro Amano

PURPOSE To evaluate the feasibility of autologous transplantation in a rabbit model of conjunctival epithelial cells cultured on amniotic membrane for ocular surface reconstruction. METHODS Limbal stem cell deficiency was induced in the right eyes of 30 rabbits. This was done by performing a lamellar keratectomy of the entire cornea and a complete removal of the limbus and conjunctiva, extend...

Journal: :British Journal of Ophthalmology 2001

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