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Fetal healing

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https://www.readbyqxmd.com/read/29208272/biosynthesis-of-cerium-oxide-nanoparticles-and-their-effect-on-lipopolysaccharide-lps-induced-sepsis-mortality-and-associated-hepatic-dysfunction-in-male-sprague-dawley-rats
#1
Guoqiang Chen, Yunfei Xu
The fetal/life challenging Sepsis is an urgent medical disaster which have developed "blood poisoning". The sepsis is one of the disorders of organs which cause death in patients. The investigational models that mimicchemical change of sepsis in human bodywereessential. We have synthesized CeO2 NPs using eco-friendly method using plant extract. The characterization of synthesized CeO2 NPs was studied using UV-Vis, FTIR, XRD, SEM, EDX and TEM analysis. The results were confirmed that the synthesized CeO2 was in nano size with spherical shape...
February 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/29156109/a-microfabricated-96-well-wound-healing-assay
#2
Shaoliang Luan, Rui Hao, Yuanchen Wei, Deyong Chen, Beiyuan Fan, Fengliang Dong, Wei Guo, Junbo Wang, Jian Chen
This article presents a microfabricated 96-well wound-healing assay enabling high-throughput measurement of cellular migration capabilities. Within each well, the middle area is the wound region, made of microfabricated gold surface with self-assembled PEG repellent for cell seeding. After the formation of a cellular confluent monolayer around the wound region, collagen solution was applied to form three-dimensional matrix to cover the PEG surface, initiating the wound-healing process. By interpreting the numbers of migrated cells into the wound regions as a function of specific stimuli with different concentrations, EC50 (half-maximal effective concentration) was obtained...
November 20, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/29138831/anti%C3%A2-inflammatory-effect-of-migri%C3%A2-heal%C3%A2-in-an-in%C3%A2-vitro-inflammatory-model-of-primary-mixed-glial-cells
#3
Mahmoud Hassani, Farzaneh Sabouni, Mohammad Ansari, Solaleh Emamgholipour, Mohammad-Sadegh Fallah, Shah-Sanam Abbasi, Saeed Ansari Majd
Migri‑Heal®, is a novel herbal remedy that was introduced for the treatment of migraine headaches. Previous studies revealed that this drug may reduce nitric oxide (NO) in an in vitro inflammatory model. The aim of the present study was to investigate the anti‑inflammatory effect of Migri‑Heal® on primary mix glial cells stimulated with LPS. In the current study, neonatal rat primary mix glial cells were isolated from the mixed glial cultures via shaking, and cultured in Dulbecco's' modified Eagle's medium supplemented with 10% fetal bovine serum...
November 13, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29138638/tissue-source-and-cell-expansion-condition-influence-phenotypic-changes-of-adipose-derived-stem-cells
#4
Lauren H Mangum, Shanmugasundaram Natesan, Randolph Stone, Nicole L Wrice, David A Larson, Kyle F Florell, Barbara A Christy, Maryanne C Herzig, Andrew P Cap, Robert J Christy
Stem cells derived from the subcutaneous adipose tissue of debrided burned skin represent an appealing source of adipose-derived stem cells (ASCs) for regenerative medicine. Traditional tissue culture uses fetal bovine serum (FBS), which complicates utilization of ASCs in human medicine. Human platelet lysate (hPL) is one potential xeno-free, alternative supplement for use in ASC culture. In this study, adipogenic and osteogenic differentiation in media supplemented with 10% FBS or 10% hPL was compared in human ASCs derived from abdominoplasty (HAP) or from adipose associated with debrided burned skin (BH)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/29105155/the-tension-biology-of-wound-healing
#5
REVIEW
Hans I-Chen Harn, Rei Ogawa, Chao-Kai Hsu, Michael W Hughes, Ming-Jer Tang, Cheng-Ming Chuong
Following skin wounding, the healing outcome can be; regeneration, repair with normal scar tissue, repair with hypertrophic scar tissue, or the formation of keloids. The role of chemical factors in wound healing has been extensively explored, and while there is evidence suggesting the role of mechanical forces, its influence is much less well defined. Here we provide a brief review on the recent progress of the role of mechanical force in skin wound healing by comparing laboratory mice, African spiny mice, fetal wound healing, and adult scar keloid formation...
November 4, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/29057134/spiral-fracture-in-young-infant-causing-a-diagnostic-dilemma-nutritional-rickets-versus-child-abuse
#6
Sonia Kaushal, Manish Raisingani, Raphael David, Bina Shah
Fractures are uncommon in young, nonambulatory infants. The differential diagnosis includes nonaccidental injury (NAI) and metabolic bone disease, including rickets. While rickets typically present after six months of age, multiple cases have been reported in younger infants. We report a case of an 11-week-old male infant who presented with a spiral fracture of the humerus and no radiologic evidence of rickets. A detailed psychosocial assessment failed to reveal any risk factors for NAI. The patient had elevated alkaline phosphatase and PTH with low 25 hydroxyvitamin D and 1,25 dihydroxyvitamin D levels...
2017: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/29038745/the-contractile-phenotype-of-dermal-fetal-fibroblasts-in-scarless-wound-healing
#7
Aron Parekh, Patricia A Hebda
PURPOSE OF REVIEW: Injured skin in the mammalian fetus can heal regeneratively due to the ability of fetal fibroblasts to effectively reorganize the extracellular matrix (ECM). This process occurs without fetal fibroblasts differentiating into highly contractile myofibroblasts which cause scarring and fibrosis in adult wounds. Here, we provide a brief review of fetal wound healing and the evidence supporting a unique contractile phenotype in fetal fibroblasts. Furthermore, we discuss the biomechanical role of the ECM in driving myofibroblast differentiation in wound healing and the implications for new clinical modalities based on the biophysical properties of fetal fibroblasts...
September 2017: Current Pathobiology Reports
https://www.readbyqxmd.com/read/29030612/healing-of-preterm-ruptured-fetal-membranes
#8
Haruta Mogami, Annavarapu Hari Kishore, Yucel Akgul, R Ann Word
Preterm premature rupture of membrane (pPROM) is associated with 30-40% of preterm births. Infection is considered a leading cause of pPROM due to increased levels of proinflammatory cytokines in amniotic fluid. Only 30%, however, are positive for microbial organisms by amniotic fluid culture. Interestingly, in some pregnancies complicated by preterm premature rupture of membranes (pPROM), membranes heal spontaneously and pregnancy continues until term. Here, we investigated mechanisms of amnion healing. Using a preclinical mouse model, we found that small ruptures of the fetal membrane closed within 72 h whereas healing of large ruptures was only 40%...
October 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28990101/exogenous-peripheral-blood-mononuclear-cells-affect-the-healing-process-of-deep%C3%A2-degree-burns
#9
Guanying Yu, Yaonan Li, Lan Ye, Xinglei Wang, Jixun Zhang, Zhengxue Dong, Duyin Jiang
The regenerative repair of deep‑degree (second degree) burned skin remains a notable challenge in the treatment of burn injury, despite improvements being made with regards to treatment modality and the emergence of novel therapies. Fetal skin constitutes an attractive target for investigating scarless healing of burned skin. To investigate the inflammatory response during scarless healing of burned fetal skin, the present study developed a nude mouse model, which was implanted with normal human fetal skin and burned fetal skin...
December 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28976834/managing-real-world-venous-leg-ulcers-with-fetal-bovine-acellular-dermal-matrix-a-single-centre-retrospective-study
#10
J A Paredes, S Bhagwandin, Polanco T, J C Lantis
OBJECTIVE: As compression treatment offers moderate improvement, especially to recurrent venous leg ulcers (VLUs), several alternative therapies using cellular based and/or tissue-derived products (CTPs) have emerged from bovine, porcine, and equine sources. Our aim was to look at the effect of a CTP in 'real-life' VLUs. METHODS: This study looked at complex patients with chronic, large wounds in a single-centre retrospective review. All patients were treated with fetal bovine acellular dermal matrix (FBADM) for VLUs at our outpatient urban wound care programme...
October 1, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28967471/fibroblast-growth-factor-2-as-an-antifibrotic-antagonism-of-myofibroblast-differentiation-and-suppression-of-pro-fibrotic-gene-expression
#11
David M Dolivo, Sara A Larson, Tanja Dominko
Fibrosis is a pathological condition that is characterized by the replacement of dead or damaged tissue with a nonfunctional, mechanically aberrant scar, and fibrotic pathologies account for nearly half of all deaths worldwide. The causes of fibrosis differ somewhat from tissue to tissue and pathology to pathology, but in general some of the cellular and molecular mechanisms remain constant regardless of the specific pathology in question. One of the common mechanisms underlying fibroses is the paradigm of the activated fibroblast, termed the "myofibroblast," a differentiated mesenchymal cell with demonstrated contractile activity and a high rate of collagen deposition...
September 23, 2017: Cytokine & Growth Factor Reviews
https://www.readbyqxmd.com/read/28962704/cigarette-smoke-condensate-affects-the-retinoid-pathway-in-human-amnion
#12
Marion Rouzaire, Aurélie Comptour, Corinne Belville, Damien Bouvier, Vincent Sapin, Denis Gallot, Loïc Blanchon
INTRODUCTION: The preterm premature rupture of membranes (PPROM) is a frequent pathology responsible of more than 30% of preterm births. Tobacco smoking is one of the most frequently described risk factors identified and contributes to the pre term weakening of fetal membranes. As previously demonstrated, all-trans retinoic acid (atRA) regulates several genes involved in the extracellular matrix dynamics, an essential actor in fetal membrane ruptures. We hypothesized that cigarette smoke may affect this pathway in human amnion...
October 2017: Placenta
https://www.readbyqxmd.com/read/28873371/modified-hysterotomy-closure-technique-for-open-fetal-surgery
#13
Michael V Zaretsky, Kenneth W Liechty, Henry L Galan, Nicholas J Behrendt, Shane Reeves, Ahmed I Marwan, Corbett Wilkinson, Michael Handler, Megan Lagueux, Timothy M Crombleholme
OBJECTIVE: We reviewed our experience with open fetal surgical myelomeningocele repair to assess the efficacy of a new modification of the hysterotomy closure technique regarding hysterotomy complication rates at the time of cesarean delivery. METHODS: A modification of the standard hysterotomy closure was performed on all patients undergoing prenatal myelomeningocele repair. The closure consisted of an interrupted full-thickness #0 polydioxanone (PDS) retention suture as well as a running #0 PDS suture to re-approximate the myometrial edges, and the modification was a third imbricating layer resulting in serosal-to-serosal apposition...
September 6, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28826368/impact-of-galectin-1-on-trophoblast-stem-cell-differentiation-and-invasion-in-in-vitro-implantation-model
#14
Minyue Tang, Jiali You, Wei Wang, Yongchao Lu, Xiaoling Hu, Chunyan Wang, Aixia Liu, Yimin Zhu
Trophoblast stem cells (TSCs) differentiate in an orderly manner, which plays an important role in the process of embryo implantation, placentation, and early pregnancy maintenance. At the maternal-fetal interface, the dialogue is crucial between trophoblast cells and endometrial epithelial cells. Previous studies suggested that galectin-1 (Gal-1) may play an important role in placental development. In this study, we used Ishikawa (IK) cells-TSC coculture model to simulate the maternal-fetal interface and induce the differentiation of TSCs by differentiation media...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28818664/lactate-dehydrogenase-a-is-indispensable-for-vascular-smooth-muscle-cell-proliferation-and-migration
#15
Ji-Hyun Kim, Kwi-Hyun Bae, Jun-Kyu Byun, Sungwoo Lee, Jung-Guk Kim, In Kyu Lee, Gwon-Soo Jung, You Mie Lee, Keun-Gyu Park
The proliferation and migration of vascular smooth muscle cells (VSMCs) have been implicated in the pathogenesis of atherosclerosis. Increased aerobic glycolysis is a key feature of cellular phenotypes including cancer and immune cells. However, the role of aerobic glycolysis in the atherogenic phenotype of VSMCs remains largely unknown. Here, we investigated the role of lactate dehydrogenase-A (LDHA), which is a key enzyme for glycolysis, in the proliferation and migration of VSMCs. Activation of primary rat VSMCs with fetal bovine serum (FBS) or platelet-derived growth factor (PDGF) increased their proliferation and migration, glycolytic activity, and expression of LDHA...
October 7, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28730081/effect-of-human-autologous-serum-and-fetal-bovine-serum-on-human-corneal-epithelial-cell-viability-migration-and-proliferation-in-vitro
#16
Ming-Feng Wu, Tanja Stachon, Berthold Seitz, Achim Langenbucher, Nóra Szentmáry
AIM: To analyze the concentration-dependent effects of autologous serum (AS) and fetal bovine serum (FBS) on human corneal epithelial cell (HCEC) viability, migration and proliferation. METHODS: AS was prepared from 13 patients with non-healing epithelial defects Dulbecco's modified eagle medium/Ham's F12 (DMEM/F12) with 5% FBS, 0.5% dimethyl sulphoxide (DMSO), 10 ng/mL human epidermal growth factor, 1% insulin-transferrin-selenium, then were incubated in serum media: DMEM/F12 supplemented by 5%, 10%, 15% or 30% AS or FBS...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28720118/inhibiting-function-of-human-fetal-dermal-mesenchymal-stem-cells-on-bioactivities-of-keloid-fibroblasts
#17
Ya Jiao, Xiao Wang, Jixun Zhang, Yongjun Qi, Hongmin Gong, Duyin Jiang
BACKGROUND: Keloid is one kind of benign skin disease caused by hyperplasia of fibroblasts and collagen fibrils. It is refractory due to the lack of an effective treatment at present, which puts pressure on seeking a new therapeutic regimen. Mesenchymal stem cells (MSCs) from fetal skin are considered to play a crucial role in scarless healing. Nevertheless, the efficacy of them in keloid disorders remains poorly understood. METHODS: Keloid fibroblasts (KFs), human adult dermal fibroblasts (ADFs), and human fetal dermal mesenchymal stem cells (FDMSCs) were isolated to single cells and cultured in Dulbecco's modified Eagle's medium (DMEM)...
July 18, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28715613/isolation-and-characterization-of-canine-placenta-derived-mesenchymal-stromal-cells-for-the-treatment-of-neurological-disorders-in-dogs
#18
Connor Long, Lee Lankford, Priyadarsini Kumar, Robert Grahn, Dori L Borjesson, Diana Farmer, Aijun Wang
Spinal cord injury (SCI) is a devastating disorder that affects humans and dogs. The prognosis of SCI depends on the severity of the injury and can include varying levels of motor and sensory deficits including devastating paraplegia and quadriplegia. Placental mesenchymal stromal cells (PMSCs) have been shown to improve wound healing and possess neuroprotective and immunomodulatory capabilities, but have not yet been clinically tested for the treatment of SCI. This study established a protocol to isolate fetal PMSCs from canine placentas and characterized their paracrine secretion profile and ability to stimulate neurons in vitro to assess their potential as a treatment option for neurological disorders in dogs...
July 17, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28713710/the-healing-effect-of-conditioned-media-and-bone-marrow-derived-stem-cells-in-laryngotracheal-stenosis-a-comparison-in-experimental-dog-model
#19
Kamyar Iravani, Arash Sobhanmanesh, Mohammad Javad Ashraf, Seyed Basir Hashemi, Davood Mehrabani, Shahrokh Zare
BACKGROUND: Differences in causes, severities, areas of stenosis, and the association with swallowing and phonation of larynx and trachea can result into Laryngotracheal stenosis (LTS).This study evaluated the healing effect of bone marrow stem cells (BMSCs) in experimentally induced LTS dog model. METHODS: Seven dogs were enrolled. BMSCs were isolated from proximal humerus and shoulder of a dog and cultured in media containing alpha minimal essential medium, fetal bovine serum, penicillin and streptomycin, and L-glutamine...
May 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/28664994/trauma-induces-overexpression-of-cx43-in-human-fetal-membrane-defects
#20
David W Barrett, Aumie Kethees, Christopher Thrasivoulou, Alvaro Mata, Alex Virasami, Neil J Sebire, Alex C Engels, Jan A Deprest, David L Becker, Anna L David, Tina T Chowdhury
OBJECTIVE: We developed an in vitro model to examine whether trauma induces connexin 43 (Cx43) expression and collagen organisation in the amniotic membrane (AM) of fetal membrane (FM) defects. METHOD: Term human FM was traumatised in vitro. Cell morphology and Cx43 were examined in the wound edge AM by immunofluorescence (IMF) confocal microscopy and compared to control AM. Collagen microstructure was examined by second harmonic generation (SHG) imaging. Cell viability was assessed with calcein and ethidium staining...
September 2017: Prenatal Diagnosis
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