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Fetal healing

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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
#1
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
#2
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
#3
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
#4
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
#5
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 were traumatised in vitro. Cell morphology and Cx43 was 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...
June 30, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28657680/lysophosphatidic-acid-triggered-pathways-promote-the-acquisition-of-trophoblast-endovascular-phenotype-in-vitro
#6
Jimena S Beltrame, Micaela S Sordelli, Vanesa A Cañumil, Ana M Franchi, María L Ribeiro
Successful implantation and placentation requires that extravillous cytotrophoblast acquires an endovascular phenotype and remodels uterine spiral arteries. Defects in this mechanism correlate with severe obstetric complications as implantation failure and preeclampsia. Lysophosphatidic acid (LPA) participates in embryo implantation and contributes to vascular physiology in different biological systems. However, the role of LPA on trophoblast endovascular transformation has not been studied. Due to difficulties in studying human pregnancy in vivo, we adopted a pharmacological approach in vitro to investigate LPA action in various aspects of trophoblast endovascular response, such as the formation of endothelial capillary-like structures, migration and proliferation...
June 28, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28651900/potential-clinical-applications-of-placental-stem-cells-for-use-in-fetal-therapy-of-birth-defects
#7
Melissa Vanover, Aijun Wang, Diana Farmer
Placental stem cells are of growing interest for a variety of clinical applications due to their multipotency and ready availability from otherwise frequently discarded biomaterial. Stem cells derived from the placenta have been investigated in a number of disease processes, including wound healing, ischemic heart disease, autoimmune disorders, and chronic lung or liver injury. Fetal intervention for structural congenital defects, such as spina bifida, has rapidly progressed as a field due to advances in maternal-fetal medicine and improving surgical techniques...
May 18, 2017: Placenta
https://www.readbyqxmd.com/read/28642867/evaluation-of-the-effect-of-a-single-intra-articular-injection-of-allogeneic-neonatal-mesenchymal-stromal-cells-compared-to-oral-non-steroidal-anti-inflammatory-treatment-on-the-postoperative-musculoskeletal-status-and-gait-of-dogs-over-a-6-month-period-after
#8
Mathieu Taroni, Quentin Cabon, Marine Fèbre, Thibaut Cachon, Nathalie Saulnier, Claude Carozzo, Stéphane Maddens, Fabrice Labadie, Clément Robert, Eric Viguier
OBJECTIVE: Compare the clinical and pressure walkway gait evolution of dogs after a tibial plateau leveling osteotomy (TPLO) for a cranial cruciate ligament rupture (CrCLR) and treatment with either a 1-month course of non-steroidal anti-inflammatory drugs (NSAIDs) or a single postoperative intra-articular (IA) injection of allogeneic neonatal mesenchymal stromal cells (MSCs). STUDY DESIGN: Prospective, double-blinded, randomized, controlled, monocentric clinical study...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28627609/microrna-149-contributes-to-scarless-wound-healing-by-attenuating-inflammatory-response
#9
Hongxin Lang, Feng Zhao, Tao Zhang, Xiaoyu Liu, Zhe Wang, Rui Wang, Ping Shi, Xining Pang
A fibrotic or pathological scar is an undesired consequence of skin wound healing and may trigger a series of problems. An attenuated inflammatory response is a significant characteristic of fetal skin wound healing, which can contribute to the scarless healing of fetal skin. According to deep sequencing data, microRNA‑149 (miR‑149) expression was increased in mid-gestational compared with that in late‑gestational fetal skin keratinocytes. It was demonstrated that overexpression of miR‑149 in HaCaT cells can downregulate the expression of pro‑inflammatory cytokines interleukin (IL)‑1α, IL‑1β, and IL‑6 at basal levels and in inflammatory conditions...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28575912/-growth-factor-concentration-in-keratocyte-supernatant-after-incubation-with-human-serum-in-vitro
#10
Nóra Szentmáry, Tanja Stachon, Ming-Feng Wu, Mona Bischoff, Manuela Huber, Achim Langenbucher, Berthold Seitz
Purpose Application of serum eye drops is an alternative treatment option for therapy-resistant corneal epithelial defects. In case of persisting epithelial defects, cytokines, which are secreted from stromal keratocytes, may play a role in epithelial wound healing. Our aim was to analyze fibroblast growth factor basic (FGFb), hepatocyte growth factor (HGF), keratinocyte growth factor (KGF) and transforming growth factor β1 (TGF-β1) concentration in the supernatant of keratocytes, after incubation with human serum (HS)...
June 2, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28553231/hydroxysafflor-yellow-a-suppresses-mrc-5-cell-activation-induced-by-tgf-%C3%AE-1-by-blocking-tgf-%C3%AE-1-binding-to-t%C3%AE-rii
#11
Ruiyan Pan, Yadan Zhang, Meng Zheng, Baoxia Zang, Ming Jin
Hydroxysafflor yellow A (HSYA) is an active ingredient of Carthamus tinctorius L.. This study aimed to evaluate the effects of HSYA on transforming growth factor-β1 (TGF-β1)-induced changes in proliferation, migration, differentiation, and extracellular matrix accumulation and degradation in human fetal lung fibroblasts (MRC-5), to explore the mechanisms whereby HSYA may alleviate pulmonary fibrosis. MRC-5 cells were incubated with various doses of HSYA and/or the TGF-β receptor type I kinase inhibitor SB431542 and then stimulated with TGF-β1...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28538572/intratendinous-injection-of-hydrogel-for-reseeding-decellularized-human-flexor-tendons
#12
Chao Long, Michael G Galvez, Anais Legrand, Lydia-Marie Joubert, Zhen Wang, Arhana Chattopadhyay, James Chang, Paige M Fox
BACKGROUND: Decellularized cadaveric tendons are a potential source for reconstruction. Reseeding to enhance healing is ideal; however, cells placed on the tendon surface result in inadequate delivery. The authors used an injection technique to evaluate intratendinous cell delivery. METHODS: Decellularized tendons were reseeded with adipose-derived stem cells in culture, and injected with fetal bovine serum or hydrogel. PKH26-stained cells in cross-section were quantified...
June 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28535522/restenosis-in-hemodialytic-fistulas-and-chronic-kidney-disease-associated-vascular-disease-two-pathologies-driven-by-metakaryotic-stem-cells
#13
Gianandrea Pasquinelli, William G Thilly, Elena V Gostjeva, Paola Todeschini, Giuseppe Cianciolo, Claudio Ronco, Gaetano La Manna
Chronic kidney disease (CKD) exacerbating vascular disease poses a major challenge to nephrology. Surgically placed vascular fistulas, as an aid to hemodialysis prior to kidney transplant, have extended many lives, while post-surgical restenosis closure of the fistula by smooth muscle cells affects many lives. When post-surgical restenosis is developed, palliative measures are almost always surgical: there are no effective drug treatments. In this study, we offer a testable hypothesis that effects of CKD on widely distributed vascular diseases and the phenomenon of fistula restenosis are both driven by the pathologic creation of non-dividing smooth muscle cells via asymmetric division of exponentially increasing metakaryotic stem cells...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28516946/ccl2-ccr2-signalling-recruits-a-distinct-fetal-microchimeric-population-that-rescues-delayed-maternal-wound-healing
#14
Mathieu Castela, Dany Nassar, Maria Sbeih, Marie Jachiet, Zhe Wang, Selim Aractingi
Foetal microchimeric cells (FMCs) traffic into maternal circulation during pregnancy and persist for decades after delivery. Upon maternal injury, FMCs migrate to affected sites where they participate in tissue healing. However, the specific signals regulating the trafficking of FMCs to injury sites had to be identified. Here we report that, in mice, a subset of FMCs implicated in tissue repair displays CD11b(+) CD34(+) CD31(+) phenotype and highly express C-C chemokine receptor 2 (Ccr2). The Ccr2 ligand chemokine ligand 2 (Ccl2) enhances the recruitment of FMCs to maternal wounds where these cells transdifferentiate into endothelial cells and stimulate angiogenesis through Cxcl1 secretion...
May 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/28509317/morphology-of-the-cesarean-section-scar-in-the-non-pregnant-uterus-after-one-elective-cesarean-section
#15
Michał Pomorski, Tomasz Fuchs, Anna Rosner-Tenerowicz, Mariusz Zimmer
OBJECTIVES: A growing number of studies suggest that the incomplete healing of the CS scar in the uterus increase the risk of uterine dehiscence or rupture during subsequent pregnancies. Thus, the factors that affect wound healing should be evaluated. We aimed to determine whether the morphology of the CS scar in non-pregnant women after one elective CS was affected by the site of the uterine incision, uterine flexion, maternal age, and fetal birth weight. MATERIAL AND METHODS: 208 non-pregnant women were invited for participation in the study, but only 101 of them met inclusion criteria...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28480995/aplasia-cutis-congenita-type-v-a-case-report-and-review-of-the-literature
#16
REVIEW
Benjamin M Perry, Cory B Maughan, Matthew S Crosby, Scott D Hadenfeld
Aplasia cutis congenita (ACC) is a relatively rare congenital anomaly that most commonly occurs as a solitary cutaneous defect on the scalp. Depth of involvement varies, and involvement of deeper calvarium and dural structures can be seen in more severe cases. Multiple classification systems have been devised with the Frieden Classification System being the most widely adopted. Using this system, we describe a patient that developed Type V ACC with associated fetal papyraceous. The child healed remarkably well with the application of petrolatum impregnated gauze and topical silver sulfadiazine twice daily for approximately 4 weeks...
May 8, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28479722/influence-of-capsaicin-on-inflammatory-cytokines-induced-by-lipopolysaccharide-in-myoblast-cells-under-in-vitro-environment
#17
Ke Shang, Touseef Amna, Musarat Amina, Nawal M Al-Musayeib, Salem S Al-Deyab, Inho Hwang
BACKGROUND: ellular damage initiated by reactive oxygen species (ROS) is the main cause of numerous severe diseases and therefore for this reason, the natural antioxidants have note worthy significance in human health. Capsaicin possesses noteworthy analgesic and anti-inflammatory properties. It also possesses healing effects for treatment of arthritis, diabetic neuropathy, gastric lesions, and cardiac excitability that is why it is incorporated in creams and gels. OBJECTIVE: The present study was carried out to estimate the in vitro antioxidant and ROS scavenging activities of capsaicin against muscle precursor cells...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28439897/platelet-lysate-obtained-via-plateletpheresis-performed-in-standing-and-awake-equine-donors
#18
Scarlett M Sumner, Maria C Naskou, Merrilee Thoresen, Ian Copland, John F Peroni
BACKGROUND: Platelet preparations containing growth factors, attachment factors, and enzymes are appealing to enhance healing of injured tissues and as an alternative to xenogenic serum in cell culture media. Plateletpheresis is commonly used to collect platelets in human medicine but has not been validated in horses. STUDY DESIGN AND METHODS: Plateletpheresis to collect platelet concentrate was performed on six female, mixed breed, chemically restrained horses using commercially available apheresis equipment...
April 25, 2017: Transfusion
https://www.readbyqxmd.com/read/28437592/cover-image-volume-232-number-8-august-2017
#19
Anjali Somal, Irfan A Bhat, Indu B, Anuj P Singh, Bibhudatta S K Panda, Perumal A Desingu, Sriti Pandey, Mukesh K Bharti, Amar Pal, Guttula Saikumar, Vikash Chandra, Guttula Taru Sharma
Cover: The cover image, by Guttula Taru Sharma et al., is based on the Original Research Article Impact of Cryopreservation on Caprine Fetal Adnexa Derived Stem Cells and Its Evaluation for Growth Kinetics, Phenotypic Characterization, and Wound Healing Potential in Xenogenic Rat Model, DOI: 10.1002/jcp.25731.
August 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28428904/salvage-of-necrotic-appearing-limb-after-in-utero-endoscopic-lysis-of-constriction-bands
#20
M Abdel-Sattar, A Chon, B Chen, W Burkhalter, R H Chmait
We report a case of amniotic band syndrome complicated by constriction bands and marked distal swelling of both lower extremities. Color Doppler interrogation of the right lower extremity revealed complete lack of blood flow below the level of the constriction. Upon fetoscopic survey, the right lower extremity beyond the constriction band appeared dusky red and discolored with desquamation, consistent with a necrotic appearance. The constriction bands were cut in utero using endoshears, thereby allowing restoration of blood flow on postoperative day 1...
April 2017: American Journal of Perinatology Reports
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