نتایج جستجو برای: amnion membrane

تعداد نتایج: 391021  

2016
Zurab Kakabadze Konstantine Mardaleishvili George Loladze Ivane Javakhishvili Konstantine Chakhunasvili Lika Karalashvili Natia Sukhitashvili Gocha Chutkerashvili Ann Kakabadze David Chakhunasvili

BACKGROUND AND OBJECTIVES Squamous cell carcinoma is the most common pathological type among the cancers of the larynx. Standard treatment for squamous cell carcinoma of the larynx is the combination of chemotherapy, radiotherapy, and laryngectomy. Pharyngocutaneous fistula is a common complication of laryngectomy. We hypothesized that decellularized and lyophilized human amnion/chorion membran...

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Journal: :The British journal of oral & maxillofacial surgery 2012
Chaitanya R Kothari Gayathri Goudar Neelakamal Hallur Basavraj Sikkerimath Santosh Gudi Meenakshi C Kothari

The need to cover the exposed periostium has meant that a number of materials including mucosal and skin grafts are regarded as suitable for grafting in oral and maxillofacial surgery. To circumvent the disadvantages of other materials such as skin, biological membranes have been suggested as options, including fetal membrane. The objective of the present study was to evaluate the clinical effi...

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Journal: :Journal of Oral Implantology 2018

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Journal: :Biological & pharmaceutical bulletin 2002
Yun-Hee Shon Jong-Ho Kim Kyung-Soo Nam

The effects of Astragali radix extract on interleukin (IL)-6 and tumor necrosis factor (TNF)-alpha productions, prostaglandin E2 (PGE2) biosynthesis, and leukotriene C4 (LTC4) production from lipopolysaccharide (LPS)-stimulated human amnion cells were investigated. Amnion cells produced detectable amounts of both IL-6 and TNF-alpha under LPS-stimulated conditions. Astragalus extract inhibited t...

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ژورنال: مجله دانشکده پزشکی دانشگاه علوم پزشکی تهران 2014
آتشی, امیر, آقایان, حمیدرضا, خواجه رحیمی, امیر اسدالله , سخایی, مریم, سلطانی, مجید, عراقی, شیرین, فاطمی, محمد جواد, مصاحبی محمدی, مجید , مصطفوی‌نیا, شبنم, نیکومرام, بابک, پدرام, میر سپهر,

Background: Stem cells are applied in the treatment of wide range of diseases and can be separated from different tissues of the body. These cells can treat diseases by cytokine and growth factor secretion and also cell differentiation. Burn wound is a challenging problem of reconstructive surgery and stem cells may help wound healing process. We designed this study to evaluate the beneficial e...

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Journal: :Advanced Functional Materials 2022

Fetal therapies regularly result in iatrogenic preterm premature rupture of the fetal membranes (iPPROM), which is associated with birth. Biomaterials that promote healing traumatized (FMs) may prevent iPPROM-associated births, addressing this unmet clinical need. Here, a fully defined synthetic poly(ethylene glycol) (PEG) hydrogel developed to study functions human amnion-derived mesenchymal s...

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Journal: :Reproductive biology and endocrinology : RB&E 2007
Veronica Zaga-Clavellina Guadalupe Garcia-Lopez Hector Flores-Herrera Aurora Espejel-Nuñez Arturo Flores-Pliego Diana Soriano-Becerril Rolando Maida-Claros Horacio Merchant-Larios Felipe Vadillo-Ortega

BACKGROUND Chorioamniotic membranes infection is a pathologic condition in which an abnormal secretion of proinflammatory cytokines halts fetal immune tolerance. The aim of the present study was to evaluate the functional response of human chorioamniotic membranes, as well as the individual contribution of the amnion and choriodecidua after stimulation with Escherichia coli, a pathogen associat...

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Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2014
Cecilia Y Cheung Michael K Beardall Debra F Anderson Robert A Brace

We hypothesized that prostaglandin E2 (PGE2) stimulates amniotic fluid transport across the amnion by upregulating vascular endothelial growth factor (VEGF) expression in amnion cells and that amniotic PGE2 concentration correlates positively with intramembranous (IM) absorption rate in fetal sheep. The effects of PGE2 at a range of concentrations on VEGF 164 and caveolin-1 gene expressions wer...

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Journal: :Fetal Diagnosis and Therapy 2006

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Journal: :HPB 2019

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