نتایج جستجو برای: amniotic membrane extract
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Introduction: Amniotic membrane, the innermost layer of extra-embryonic tissue, contains mesenchymal and epithelial stem cells. The amniotic mesenchymal cells have the capability of inhibition of growth of cancer cells. In this research, the effects of amniotic epithelial cells on the viability of cancer cells and the role of apoptosis in this procedure were evaluated. Methods: Amniotic membran...
Background: Heart failure is one of the most common cardiovascular disorders and is considered a chronic, progressive and debilitating disorder. The medical treatment of this disease is accompanied by many problems. Today, stem cells are being used increasingly to reduce the problems of heart failure treatments. Since pro-inflammatory cytokines play an important role in the prognosis and progre...
BACKGROUND Several studies have shown that the application of amniotic membrane as a biological dressing in the management of burns is accompanied by rapid re-epithelialisation. In this follow-up study, we aimed to evaluate the possible role of amniotic membrane as an adjunct to split thickness skin grafting on reducing itching and severity of hypertrophic scar formation. MATERIALS AND METHOD...
CASE REPORT A 74-year-old man developed a partial limbal stem cell deficiency secondary to a chemical injury in the left eye. He was treated with a sectorial conjunctival epitheliectomy and amniotic membrane transplantation. After 3 weeks there was an intact, smooth and stable corneal epithelium. DISCUSSION This case report emphasizes that conjunctival epitheliectomy and amniotic membrane tra...
Suppression of activation and induction of apoptosis in RAW264.7 cells by amniotic membrane extract.
PURPOSE Macrophages play a pivotal role in initiating, maintaining, and resolving host inflammatory/immune responses but may cause recalcitrant inflammation and tissue damage if not controlled. Clinically, amniotic membrane (AM) transplantation suppresses inflammation in ocular surface reconstruction. Experimentally, the authors and others have reported that AM facilitates macrophage apoptosis....
We describe a novel surgical technique for pterygium removal taking advantage of the properties of amniotic membrane and limbal epithelial stem cells. A total of 10 eyes underwent pterygium excision with amniotic membrane coverage of the bare sclera and placement of pieces of limbal epithelium in a linear fashion in the affected limbal area covered by a second amniotic membrane using fibrin glu...
Purpose: To report a case with corneal ulcer after keratoplasty connected to long-term use of topical 0.1% diclofenac sodium. Methods: A 81-year-old man presented with corneal ulceration. The patient’s clinical history showed that he had keratoplasy after ocular trauma for about 10 years ago. He was using topical dexamethasone sodium phosphate 0.1% and topical diclofenac sodium 0.1% for one yea...
Variations in skin thickness and contours pose significant challenges to reconstruction of the lower third of the nose. Human amniotic membrane allograft offers a potential alternative to tissue transfer in reconstruction of the lower third of the nose. We reviewed the procedure and photographs of a healthy 56-year-old male with a 22 × 18 mm lower third nasal defect involving full thickness ski...
This case reports the usage of human amniotic membrane combined with a costochondral graft as an interpositional material in temporomandibular joint reconstruction for the first time in humans. Because of the favorable outcome 20 months postoperatively, it has to be considered as an approach bringing to light the antiadhesive potential of amniotic membrane. This case report must be regarded as ...
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