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Amniotic injection

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https://www.readbyqxmd.com/read/29330848/cultured-allogeneic-fibroblast-injection-versus-fibroblasts-cultured-on-amniotic-membrane-scaffold-for-dystrophic-epidermolysis-bullosa-treatment
#1
H Moravvej, F Abdollahimajd, M-H Naseh, Z Piravar, E Abolhasani, N Mozafari, H Niknejad
BACKGROUND: Different methods of fibroblast application have been examined to treat recessive dystrophic epidermolysis bullosa (RDEB). OBJECTIVE: To compare the effects of intradermal injection of cultured allogeneic fibroblasts in healing RDEB wounds with that of fibroblasts seeded on amniotic membrane scaffolds (FAMS) or standard wound care (SWC) with Vaseline gauze as controls. MATERIALS &METHODS: Seven patients were recruited, and seven wounds were assessed in each patient: three wounds were treated with injection of intradermal fibroblasts, three were treated with FAMS, and one was dressed with SWC...
January 12, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29274832/extremely-preterm-fetal-sheep-lung-responses-to-antenatal-steroids-and-inflammation
#2
Kevin Visconti, Paranthaman Senthamaraikannan, Matthew W Kemp, Masatoshi Saito, Boris W Kramer, John P Newnham, Alan H Jobe, Suhas G Kallapur
BACKGROUND: The efficacy of antenatal steroids for fetal lung maturation in the peri-viable period is not fully understood. OBJECTIVE(S): To determine the lung maturational effects of ANS and inflammation in early gestation sheep fetuses, similar to the peri-viable period in humans. STUDY DESIGN: Date-mated ewes with singleton fetuses were randomly assigned to one of 4 treatment groups (n=8/group): 1) maternal intramuscular injection (IM) of betamethasone (Beta), 2) intra-amniotic lipopolysaccharide (IA) (LPS), 3) Beta+LPS, 4) IA+IM Saline (controls)...
December 21, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29260110/surgical-treatment-outcome-of-medically-refractory-huge-giant-papillary-conjunctivitis
#3
Yien Lai, Gangadhara Sundar, Manotosh Ray
Purpose: To compare the surgical outcome of excision of giant papillae with and without amniotic membrane in a patient with bilateral medically refractory giant papillary conjunctivitis (GPC). Observations: 27-year-old Chinese lady presented with bilateral itchy eyes, discomfort and fullness of upper lids for past two years. She was a long-term contact lens user but stopped completely 2 years ago. Not a known atopic, she had unusually large giant papillae involving both upper tarsal conjunctiva...
December 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29239050/therapeutic-potential-of-amniotic-fluid-stem-cells-to-treat-bilateral-ovarian-dystrophy-in-dairy-cows-in-a-subtropical-region
#4
L-B Chang, S-Y Peng, C-J Chou, Y-J Chen, J-S Shiu, P-A Tu, S-X Gao, Y-C Chen, T-K Lin, S-C Wu
Amniotic fluid is a rich source of multipotent mesenchymal stem cells (MSCs). Amniotic fluid stem cells (AFSCs) have become a new source of stem cells; they have low immunogenicity and are easily harvested. For this reason, they may be useful in clinical tissue engineering. Moreover, AFSCs have anti-inflammatory properties and can repair tissues. This study evaluated the utility of AFSC injection to treat bilateral ovarian dystrophy in Holstein-Friesian cows. Bovine AFSCs (BAFSCs) were collected at slaughter from Holstein-Friesian cows during the third or fourth month of pregnancy and cultured in vitro...
December 14, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/29212808/gestational-age-at-time-of-in-utero-lipopolysaccharide-exposure-influences-the-severity-of-inflammation-induced-diaphragm-weakness-in-lambs
#5
Kanakeswary Karisnan, Tanzila Mahzabin, Anthony J Bakker, Yong Song, Peter B Noble, J Jane Pillow, Gavin Jon Pinniger
The preterm diaphragm is functionally immature compared to its term counterpart. In utero inflammation further exacerbates preterm diaphragm dysfunction. We hypothesized that preterm lambs are more vulnerable to in utero inflammation induced diaphragm dysfunction compared with term lambs. Pregnant ewes received intra-amniotic (IA) injections of saline or 10mg lipopolysaccharide (LPS) 2d or 7d prior to delivery at 121d (preterm) or 145d (term) gestation. Diaphragm contractile function was assessed in vitro. Plasma cytokines and diaphragm myosin heavy chain (MHC) isoforms and oxidative stress were evaluated...
December 6, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29203902/amniotic-fluid-stem-cell-derived-vesicles-protect-from-vegf-induced-endothelial-damage
#6
S Sedrakyan, V Villani, S Da Sacco, N Tripuraneni, S Porta, A Achena, M Lavarreda-Pearce, A Petrosyan, H Soloyan, R E De Filippo, B Bussolati, L Perin
Injection of amniotic fluid stem cells (AFSC) delays the course of progression of renal fibrosis in animals with Alport Syndrome, enhancing kidney function and improving survival. The mechanisms responsible for these protective outcomes are still largely unknown. Here, we showed that vascular endothelial growth factor (VEGF) signaling within the glomeruli of Alport mice is strongly elevated early on in the disease, causing glomerular endothelial cell damage. Intraventricular injected AFSC that homed within the glomeruli showed strong modulation of the VEGF activity, particularly in glomerular endothelial cells...
December 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29190624/extreme-surgical-maneuvers-in-fungal-endophthalmitis
#7
María Isabel Relimpio-López, María Gessa-Sorroche, Antonio Manuel Garrido-Hermosilla, Concepción Díaz-Ruiz, Jesús Montero-Iruzubieta, Jaime Etxebarría-Ecenarro, Diego Ruiz-Casas, Enrique Rodríguez-de-la-Rúa-Franch
PURPOSE: To present the different evolution of 2 cases of endophthalmitis caused by Fusarium solani, an aggressive filamentous fungus, depending on the medical and surgical treatment performed. METHODS: We present 2 cases of endophthalmitis caused by Fusarium solani. Topical, intrastromal, intravitreal, and systemic antifungal treatment (natamycin, voriconazole, amphotericin B) failed in both cases. Corneal perforation took place in one of them, being unsuccessfully treated with cyanoacrylate and several amniotic membrane transplants...
November 30, 2017: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/29179771/paracrine-effects-of-human-amniotic-epithelial-cells-protect-against-chemotherapy-induced-ovarian-damage
#8
Qiuwan Zhang, Shixia Bu, Junyan Sun, Minhua Xu, Xiaofen Yao, Kunyan He, Dongmei Lai
BACKGROUND: Human amniotic epithelial cells (hAECs) are attractive candidates for regenerative medical therapy, with the potential to replace deficient cells and improve functional recovery after injury. Previous studies have demonstrated that transplantation of hAECs effectively alleviate chemotherapy-induced ovarian damage via inhibiting granulose cells apoptosis in animal models of premature ovarian failure/insufficiency (POF/POI). However, the underlying molecular mechanism accounting for hAECs-mediated ovarian function recovery is not fully understood...
November 28, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29163213/effect-of-human-amnion-epithelial-cells-on-the-acute-inflammatory-response-in-fetal-sheep
#9
Alana Westover, Jacqueline M Melville, Courtney McDonald, Rebecca Lim, Graham Jenkin, Euan M Wallace, Timothy J Moss
Intra-amniotic (IA) lipopolysaccharide (LPS) injection in sheep induces inflammation in the fetus. Human amnion epithelial cells (hAECs) moderate the effect of IA LPS on fetal development, but their influence on the acute inflammatory response to IA LPS is unknown. We aimed to determine the effects of hAECs on the acute fetal inflammatory response to IA LPS. After surgical instrumentation at 116 days' gestation (d) ewes were randomized to 1 of 4 groups at 123 d: IA LPS (10 mg) and intravenous (IV) saline (n = 8), IA LPS and IV hAECs (n = 6), IA saline and IV saline (n = 5) or IA saline and IV hAECs (n = 5)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29132800/fetal-bone-marrow-homing-of-donor-mesenchymal-stem-cells-after-transamniotic-stem-cell-therapy-trascet
#10
Hester F Shieh, Azra Ahmed, Sarah A Tracy, David Zurakowski, Dario O Fauza
PURPOSE: Donor cell engraftment patterns following transamniotic stem cell therapy (TRASCET) with amniotic fluid mesenchymal stem cells (afMSCs) are incompatible with solely direct amniotic seeding. We sought to determine whether fetal bone marrow is a component of such engraftment and to examine the chronology of afMSC placental trafficking. METHODS: Two groups of Sprague-Dawley rat fetuses received volume-matched intraamniotic injections on gestational day 17 (E17; term E22): either afMSCs labeled with a luciferase reporter gene or luciferase protein alone...
October 12, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29117499/preclinical-chorioamnionitis-dysregulates-cxcl1-cxcr2-signaling-throughout-the-placental-fetal-brain-axis
#11
REVIEW
Tracylyn R Yellowhair, Shahani Noor, Jessie R Maxwell, Christopher V Anstine, Akosua Y Oppong, Shenandoah Robinson, Erin D Milligan, Lauren L Jantzie
In the United States, perinatal brain injury (PBI) is a major cause of infant mortality and childhood disability. For a large proportion of infants with PBI, central nervous system (CNS) injury begins in utero with inflammation (chorioamnionitis/CHORIO) and/or hypoxia-ischemia. While studies show CHORIO contributes to preterm CNS injury and is also a common independent risk factor for brain injury in term infants, the molecular mechanisms mediating inflammation in the placental-fetal-brain axis that result in PBI remain a gap in knowledge...
November 5, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/29077951/in-ovo-feeding-of-l-arginine-alters-energy-metabolism-in-post-hatch-broilers
#12
L L Yu, T Gao, M M Zhao, P A Lv, L Zhang, J L Li, Y Jiang, F Gao, G H Zhou
This study aimed to investigate the effects of in ovo feeding (IOF) of L-arginine (Arg) on energy metabolism in post-hatch broilers. A total of 720 eggs was randomly assigned to 3 treatments: 1) non-injected control group, 2) 0.75% NaCl diluent-injected control group, and 3) 1.0% Arg solution-injected group. At 17.5 d of incubation, 0.6 mL of each solution was injected into the amniotic fluid of each egg of injected groups. After hatching, 80 male chicks were randomly assigned to each treatment group with 8 replicates per group...
October 25, 2017: Poultry Science
https://www.readbyqxmd.com/read/29077950/effects-of-in-ovo-feeding-of-cationic-amino-acids-on-hatchability-hatch-weights-and-organ-developments-in-domestic-pigeon-squabs-columba-livia
#13
X Y Zhang, L L Li, L P Miao, N N Zhang, X T Zou
This study was conducted to evaluate the effect of in ovo feeding of cationic amino acids on hatchability, hatch weights, and organ developments in pigeon squabs. Two experiments were conducted in this study. Eggs in Exp. 1 were subjected to modification of in ovo feeding in pigeons. Optimal time was determined by checking amniotic fluid volume, and suitable length was confirmed through ink injection. Results showed that the optimum time of in ovo feeding was on d 13 of embryonic development, and the suitable injected length was 20 mm to reach the amniotic cavity of the embryo...
October 25, 2017: Poultry Science
https://www.readbyqxmd.com/read/29049352/exposure-to-intrauterine-inflammation-alters-metabolomic-profiles-in-the-amniotic-fluid-fetal-and-neonatal-brain-in-the-mouse
#14
Amy G Brown, Natalia M Tulina, Guillermo O Barila, Michael S Hester, Michal A Elovitz
INTRODUCTION: Exposure to prenatal inflammation is associated with diverse adverse neurobehavioral outcomes in exposed offspring. The mechanism by which inflammation negatively impacts the developing brain is poorly understood. Metabolomic profiling provides an opportunity to identify specific metabolites, and novel pathways, which may reveal mechanisms by which exposure to intrauterine inflammation promotes fetal and neonatal brain injury. Therefore, we investigated whether exposure to intrauterine inflammation altered the metabolome of the amniotic fluid, fetal and neonatal brain...
2017: PloS One
https://www.readbyqxmd.com/read/29048644/human-amniotic-epithelial-cells-inhibit-growth-of-epithelial-ovarian-cancer-cells-via-tgf%C3%A2-%C3%AE-1-mediated-cell-cycle-arrest
#15
Shixia Bu, Qiuwan Zhang, Qian Wang, Dongmei Lai
It is reported that human amniotic epithelial cells (hAECs) endow intrinsic antitumor effects on certain kinds of cancer. This research was designed to evaluate whether hAECs endowed potential anticancer properties on epithelial ovarian cancer (EOC) cells in vivo and in vitro, which has not been reported before. In this study, we established a xenografted BALB/c nude mouse model by subcutaneously co-injecting ovarian cancer cell line, SK-OV-3, and hAECs for 28 days. In ex vivo experiments, CCK‑8 cell viability assay, real-time PCR, cell counting assay, cell cycle analysis and immunohistochemistry (IHC) assay were used to detect the effects of hAEC‑secreted factors on the proliferation and cell cycle progression of EOC cells...
September 14, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28967074/palladium-103-plaque-radiation-therapy-for-ciliary-body-melanoma-through-a-functioning-glaucoma-filtering-bleb
#16
Arif H K Pathan, Alexander Barash, Lawrence B Tena, Paul T Finger
PURPOSE: To provide a clinical description of the long-term outcome of a 103Pd plaque-irradiated ciliary body melanoma with extrascleral extension while attempting to preserve a subadjacent glaucoma filtering bleb. METHODS: A 75-year-old woman with pseudoexfoliative glaucoma for 17 years, 16 years status post argon laser trabeculoplasty, and 15 years status post trabeculectomy in the left eye, was diagnosed with an ipsilateral ciliary body melanoma with visible extrascleral extension...
September 23, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28882138/a-dual-therapy-of-off-pump-temporary-left-ventricular-extracorporeal-device-and-amniotic-stem-cell-for-cardiogenic-shock
#17
Toshinobu Kazui, Phat L Tran, Tia R Pilikian, Katie M Marsh, Raymond Runyan, John Konhilas, Richard Smith, Zain I Khalpey
BACKGROUND: Temporary mechanical circulatory support device without sternotomy has been highly advocated for severe cardiogenic shock patient but little is known when coupled with amniotic stem cell therapy. CASE PRESENTATION: This case reports the first dual therapy of temporary left ventricular extracorporeal device CentriMag with distal banding technique and human amniotic stem cell injection for treating a severe refractory cardiogenic shock of an 68-year-old female patient...
September 7, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28873045/gadolinium-chelate-safety-in-pregnancy-barely-detectable-gadolinium-levels-in-the-juvenile-nonhuman-primate-after-in-utero-exposure
#18
Joao Prola-Netto, Mark Woods, Victoria H J Roberts, Elinor L Sullivan, Christina Ann Miller, Antonio E Frias, Karen Y Oh
Purpose To determine whether gadolinium remains in juvenile nonhuman primate tissue after maternal exposure to intravenous gadoteridol during pregnancy. Materials and Methods Gravid rhesus macaques and their offspring (n = 10) were maintained, as approved by the institutional animal care and utilization committee. They were prospectively studied as part of a pre-existing ongoing research protocol to evaluate the effects of maternal malnutrition on placental and fetal development. On gestational days 85 and 135, they underwent placental magnetic resonance imaging after intravenous gadoteridol administration...
September 4, 2017: Radiology
https://www.readbyqxmd.com/read/28856020/can-ultrasound-be-helpful-in-selecting-optimal-management-methods-for-pregnancies-complicated-by-placental-non-trophpblastic-tumors
#19
REVIEW
Nabil Abdalla, Robert Piórkowski, Paweł Stanirowski, Monika Pazura, Krzysztof Cendrowski, Włodzimierz Sawicki
Placental chorioangioma is the most common subtype of non-trophoblastic placental tumors. Other subtypes are very rare and usually associated with an uneventful course of pregnancy. Most chorioangiomas are small and of no clinical significance. Giant chorioangiomas may be associated with serious fetal and maternal complications. So far, no established ultrasound guidelines are available for the management of placental non-trophoblastic tumors. This may be attributed to the rarity of the disease entity and its different clinical features and complications...
June 2017: Journal of Ultrasonography
https://www.readbyqxmd.com/read/28842991/the-amniotic-fluid-as-a-source-of-mesenchymal-stem-cells-with-lung-specific-characteristics
#20
Flore Lesage, Silvia Zia, Julio Jiménez, Jan Deprest, Jaan Toelen
The amniotic fluid is a clinically accessible source of mesenchymal stem cells (AF-MSC) during gestation, which enables autologous cellular therapy for perinatal disorders. The origin of AF-MSC remains elusive: renal and neuronal progenitors have been isolated from the AF-MSC pool, yet no cells with pulmonary characteristics. We analyzed gene expression of pulmonary and renal markers of 212 clonal lines of AF-MSC isolated from amniocentesis samples. AF-MSC were cultured on dishes coated with extracellular matrix (ECM) proteins from decellularized fetal rabbit lungs...
August 26, 2017: Prenatal Diagnosis
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