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https://www.readbyqxmd.com/read/28231686/evaluation-of-the-amoxicillin-concentrations-in-amniotic-fluid-placenta-umbilical-cord-blood-and-maternal-serum-two-hours-after-intravenous-administration
#1
(no author information available yet)
OBJECTIVES: The aims of this study were to evaluate amoxicillin concentrations in amniotic fluid, placenta, umbilical cord blood and maternal blood two hours after intravenous administration to assess obstetric and non-obstetric factors that could have influences on the penetration of the antibiotic into the examined tissues and to analyze the sensitivity to amoxicillin of the most common pathogens isolated from the genital tract. METHODS: A total of 35 full-term pregnant women who qualified for elective Caesarean delivery were included in the study...
October 24, 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28231241/hydrocephalus-and-arthrogryposis-in-an-immunocompetent-mouse-model-of-zika-teratogeny-a-developmental-study
#2
Jose Xavier-Neto, Murilo Carvalho, Bruno Dos Santos Pascoalino, Alisson Campos Cardoso, Ângela Maria Sousa Costa, Ana Helena Macedo Pereira, Luana Nunes Santos, Ângela Saito, Rafael Elias Marques, Juliana Helena Costa Smetana, Silvio Roberto Consonni, Carla Bandeira, Vivian Vasconcelos Costa, Marcio Chaim Bajgelman, Paulo Sérgio Lopes de Oliveira, Marli Tenorio Cordeiro, Laura Helena Vega Gonzales Gil, Bianca Alves Pauletti, Daniela Campos Granato, Adriana Franco Paes Leme, Lucio Freitas-Junior, Carolina Borsoi Moraes Holanda de Freitas, Mauro Martins Teixeira, Estela Bevilacqua, Kleber Franchini
The teratogenic mechanisms triggered by ZIKV are still obscure due to the lack of a suitable animal model. Here we present a mouse model of developmental disruption induced by ZIKV hematogenic infection. The model utilizes immunocompetent animals from wild-type FVB/NJ and C57BL/6J strains, providing a better analogy to the human condition than approaches involving immunodeficient, genetically modified animals, or direct ZIKV injection into the brain. When injected via the jugular vein into the blood of pregnant females harboring conceptuses from early gastrulation to organogenesis stages, akin to the human second and fifth week of pregnancy, ZIKV infects maternal tissues, placentas and embryos/fetuses...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28229411/therapeutic-application-of-human-wharton-jelly-mesenchymal-stem-cells-in-skin-injury-of-scid
#3
Vikram Sabapathy, Balasubramanian Sundaram, Sanjay Kumar
Mesenchymal stem cells (MSCs) are blossoming as a credible source for regenerative medical applications. The use of fetal MSCs is gaining momentum for therapeutic use. The ease of isolation, enhanced characteristics, and immunomodulation properties renders the utilization of fetal MSCs for numerous clinical applications. In this article, we will demonstrate a step-by-step protocol for isolation of Wharton's jelly MSCs (WJMSCs) from the human umbilical cord matrix, preparation of human platelet lysate, fabricating amniotic membrane scaffold and mice model to study skin regeneration using a combination of MSCs and decellularized amniotic membrane scaffold...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28229263/exosomes-derived-from-human-amniotic-epithelial-cells-accelerate-wound-healing-and-inhibit-scar-formation
#4
Bin Zhao, Yijie Zhang, Shichao Han, Wei Zhang, Qin Zhou, Hao Guan, Jiaqi Liu, Jihong Shi, Linlin Su, Dahai Hu
Wound healing is a highly orchestrated physiological process consisting of a complex events, and scarless wound healing is highly desired for the development and application in clinical medicine. Recently, we have demonstrated that human amniotic epithelial cells (hAECs) promoted wound healing and inhibited scar formation through a paracrine mechanism. However, exosomes (Exo) are one of the most important paracrine factors. Whether exosomes derived from human amniotic epithelial cells (hAECs-Exo) have positive effects on scarless wound healing have not been reported yet...
February 22, 2017: Journal of Molecular Histology
https://www.readbyqxmd.com/read/28225815/different-characteristics-of-mesenchymal-stem-cells-isolated-from-different-layers-of-full-term-placenta
#5
Yoo Shin Choi, Yong-Beom Park, Chul-Won Ha, Jin A Kim, Jin-Chul Heo, Woo-Jung Han, Soo-Young Oh, Suk-Joo Choi
BACKGROUND: The placenta is a very attractive source of mesenchymal stem cells (MSCs) for regenerative medicine due to readily availability, non-invasive acquisition, and avoidance of ethical issues. Isolating MSCs from parts of placenta tissue has obtained growing interest because they are assumed to exhibit different proliferation and differentiation potentials due to complex structures and functions of the placenta. The objective of this study was to isolate MSCs from different parts of the placenta and compare their characteristics...
2017: PloS One
https://www.readbyqxmd.com/read/28225424/committee-opinion-no-689-delivery-of-a-newborn-with-meconium-stained-amniotic-fluid
#6
(no author information available yet)
In 2006, the American Academy of Pediatrics and the American Heart Association published the 2005 guidelines on neonatal resuscitation. Before the 2005 guidelines, management of a newborn with meconium-stained amniotic fluid included suctioning of the oropharynx and nasopharynx on the perineum after the delivery of the head but before the delivery of the shoulders. The 2005 guidelines did not support this practice because routine intrapartum suctioning does not prevent or alter the course of meconium aspiration syndrome in vigorous newborns...
March 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28225419/committee-opinion-no-689-summary-delivery-of-a-newborn-with-meconium-stained-amniotic-fluid
#7
(no author information available yet)
In 2006, the American Academy of Pediatrics and the American Heart Association published the 2005 guidelines on neonatal resuscitation. Before the 2005 guidelines, management of a newborn with meconium-stained amniotic fluid included suctioning of the oropharynx and nasopharynx on the perineum after the delivery of the head but before the delivery of the shoulders. The 2005 guidelines did not support this practice because routine intrapartum suctioning does not prevent or alter the course of meconium aspiration syndrome in vigorous newborns...
March 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28224301/surgical-outcomes-of-perforated-and-unperforated-corneal-descemetocele
#8
Evin Singar Ozdemir, Ayse Burcu, Zuleyha Yalnız Akkaya, Firdevs Ornek
OBJECTIVE: To compare the surgical outcomes of amniotic membrane transplantation (AMT) and penetrating keratoplasty (PK) in perforated and non-perforated corneal descemetocele. METHOD: In this study, we retrospectively examined 48 eyes of 48 patients operated with AMT, and 32 eyes of 32 patients operated with PK for perforated and non-perforated descemetocele. RESULTS: There were no significant differences between the two groups with regard to age, sex, laterality, follow-up duration, cause of descemetocele, and localization (p > 0...
February 21, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28224047/identification-of-extracellular-matrix-components-and-biological-factors-in-micronized-dehydrated-human-amnion-chorion-membrane
#9
Jennifer Lei, Lauren B Priddy, Jeremy J Lim, Michelle Massee, Thomas J Koob
Objective: The use of bioactive extracellular matrix (ECM) grafts such as amniotic membranes is an attractive treatment option for enhancing wound repair. In this study, the concentrations, activity, and distribution of matrix components, growth factors, proteases, and inhibitors were evaluated in PURION(®) Processed, micronized, dehydrated human amnion/chorion membrane (dHACM; MiMedx Group, Inc.). Approach: ECM components in dHACM tissue were assessed by using immunohistochemical staining, and growth factors, cytokines, proteases, and inhibitors were quantified by using single and multiplex ELISAs...
February 1, 2017: Advances in Wound Care
https://www.readbyqxmd.com/read/28223917/gene-expression-profiling-in-the-injured-spinal-cord-of-trachemys-scripta-elegans-an-amniote-with-self-repair-capabilities
#10
Adrián Valentin-Kahan, Gabriela B García-Tejedor, Carlos Robello, Omar Trujillo-Cenóz, Raúl E Russo, Fernando Alvarez-Valin
Slider turtles are the only known amniotes with self-repair mechanisms of the spinal cord that lead to substantial functional recovery. Their strategic phylogenetic position makes them a relevant model to investigate the peculiar genetic programs that allow anatomical reconnection in some vertebrate groups but are absent in others. Here, we analyze the gene expression profile of the response to spinal cord injury (SCI) in the turtle Trachemys scripta elegans. We found that this response comprises more than 1000 genes affecting diverse functions: reaction to ischemic insult, extracellular matrix re-organization, cell proliferation and death, immune response, and inflammation...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28222448/acute-effects-of-viral-exposure-on-p-glyco-protein-function-in-the-mouse-fetal-blood-brain-barrier
#11
Enrrico Bloise, Sophie Petropoulos, Majid Iqbal, Alisa Kostaki, Tania Maria Ortiga-Carvalho, William Gibb, Stephen G Matthews
BACKGROUND/AIMS: Viral infection during pregnancy is known to affect the fetal brain. The toll-like receptor (TLR)-3 is a pattern recognition receptor activated by viruses known to elicit adverse fetal neurological outcomes. The P-glycoprotein (P-gp) efflux transporter protects the developing fetus by limiting the transfer of substrates across both the placenta and the fetal blood-brain barrier (BBB). As such, inhibition of P-gp at these blood-barrier sites may result in increased exposure of the developing fetus to environmental toxins and xenobiotics present in the maternal circulation...
February 22, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28221239/the-effect-of-the-amniotic-fluid-index-on-the-accuracy-of-ultrasonographic-estimated-fetal-weight
#12
Ertugrul Karahanoglu, Orhan Altinboga, Funda Akpinar, Ismail Burak Gultekin, Safak Ozdemirci, Aysegul Akyol, Serdar Yalvac
BACKGROUND: Fetal weight estimation is one of the most important aspects of antenatal care. The effects of amniotic fluid volume on the accuracy of estimated fetal weight (EFW) depend on the amount of fluid, in particular whether it is polyhydramnios or oligohydramnios. Previous studies have reported conflicting results of the effects of amniotic fluid volume on EFW accuracy. AIM: The aim of the study was to evaluate the effects of isolated oligohydramnios cases and polyhydramnios on the accuracy of EFW...
February 17, 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28220619/the-palatal-interpterygoid-vacuities-of-temnospondyls-and-the-implications-for-the-associated-eye-and-jaw-musculature
#13
Florian Witzmann, Ingmar Werneburg
A diagnostic feature of temnospondyls is the presence of an open palate with large interpterygoid vacuities, unlike the closed palate of most other early tetrapods, in which the vacuities are either slit-like or completely absent. Attachment sites on neurocranium and palatal bones in temnospondyls allow the reconstruction of a powerful m. retractor bulbi and a large, sheet-like m. levator bulbi that formed the elastic floor of the orbit. This muscle arrangement indicates that temnospondyls were able to retract the eyeballs through the interpterygoid vacuities into the buccal cavity, like extant frogs and salamanders...
February 21, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28217610/disseminated-tuberculosis-in-a-newborn-infant
#14
Tanu Sagar, Kavita Gupta, Mayuri Rani, Iqbal Rajinder Kaur
Tuberculosis (TB) remaining as one of the deadliest communicable diseases. Congenital infection by vertical transmission is rare but high neonatal mortality (up to 60%) and morbidity warrant early and accurate diagnosis of newborns suffering from TB. Intrauterine infection of tuberculosis is most commonly caused by haematogenous spread from the mother causing placental seedling. The organisms reach the fetus via the umbilical vein and the primary focus is often in the fetal liver in hematgenous spread. Another route of infection is by direct ingestion or aspiration of infected amniotic fluid if the placental caseous lesion ruptures directly into the amniotic cavity...
July 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28211877/fresh-frozen-amniotic-membrane-for-conjunctival-reconstruction-after-excision-of-neoplastic-and-presumed-neoplastic-conjunctival-lesions
#15
U Agraval, P Rundle, I G Rennie, S Salvi
PurposeSuspicious neoplastic conjunctival lesions often require wide excision with tumour-free margins, leaving significant conjunctival defects requiring reconstruction. In this study we report the results of using fresh frozen amniotic membrane grafts (AMG) after wide excision of potentially malignant lesions.MethodsRetrospective review of 53 patients; between January 2011 and April 2014. Conjunctival lesions were excised with a non-touch technique (2 mm margin) and sent for histopathological analysis. The surgical margins were treated with cryotherapy and a fresh frozen AMG was used to cover the defect...
February 17, 2017: Eye
https://www.readbyqxmd.com/read/28209336/analysis-of-blood-from-zika-virus-infected-fetuses-a-prospective-case-series
#16
Bruno Schaub, Manon Vouga, Fatiha Najioullah, Michèle Gueneret, Alice Monthieux, Caroline Harte, Françoise Muller, Eugénie Jolivet, Clara Adenet, Sophie Dreux, Isabelle Leparc-Goffart, Raymond Cesaire, Jean-Luc Volumenie, David Baud
BACKGROUND: Zika virus has spread through the Americas and the Caribbean since early 2015 and was rapidly declared a Public Health Emergency of International Concern by WHO because of the potential association with fetal anomalies. We analysed fetal and maternal fluids and tissues in fetuses with confirmed Zika virus infection prospectively monitored in Martinique, a French Caribbean island. METHODS: Since the beginning of the Zika virus outbreak in Martinique, all pregnant women undergo monthly fetal ultrasound examination surveillance...
February 10, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28207930/elevation-of-glycosaminoglycans-in-the-amniotic-fluid-of-a-fetus-with-mucopolysaccharidosis-vii
#17
Francyne Kubaski, Ana Carolina Brusius-Facchin, Robert W Mason, Pravin Patel, Maira G Burin, Kristiane Michelin-Tirelli, Rejane Gus Kessler, Fernanda Bender, Sandra Leistner-Segal, Carolina A Moreno, Denise P Cavalcanti, Roberto Giugliani, Shunji Tomatsu
OBJECTIVE: The aim of this study was to quantify GAGs in amniotic fluid (AF) from an MPS VII fetus compared with age-matched fetuses obtained from normal pregnancies. METHOD: Disaccharides were measured by liquid chromatography tandem mass spectrometry (LC/MS/MS), compared to age-matched controls. Enzyme assay was performed in AF supernatant or cultured amniocytes. GUSB was analyzed by next generation sequencing using Ion Torrent Personal Genome Machine with a customized panel...
February 16, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28207161/prenatal-diagnosis-of-congenital-cytomegalovirus-infection-in-115-cases-a-5%C3%A2-years-single-centre-experience
#18
M Enders, A Daiminger, S Exler, K Ertan, G Enders, R Bald
OBJECTIVE: To investigate the diagnostic value of invasive prenatal diagnosis (PD) of congenital CMV infection from amniotic fluid (AF) and fetal blood (FB) METHODS: Retrospective study on 115 pregnancies with CMV primary infection. A total of 111 AF and 106 FB samples were investigated for various virological and non-virological markers. Detailed ultrasound examinations were performed at time of PD. RESULTS: Overall sensitivity of CMV PCR in FB (75.6%; 95%CI 60-87) and AF (72...
February 16, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28202794/evaluation-of-the-toxoplasma-elite-mgb%C3%A2-real-time-pcr-assay-for-the-diagnosis-of-toxoplasmosis
#19
Florence Robert-Gangneux, Marie-Pierre Brenier-Pinchart, Hélène Yera, Sorya Belaz, Emmanuelle Varlet-Marie, Patrick Bastien
Molecular diagnosis of congenital toxoplasmosis or disseminated toxoplasmosis is mainly based on PCR. The repeated DNA element rep529 has become the main DNA target used in most, whether laboratory-developed or commercial, PCR methods. In this multicenter study, we evaluated the Toxoplasma ELITe MGB® (Elitech®) commercial kit, by comparison with three reference quantitative PCR assays (RA) used in routine in three proficient laboratories of the French National Reference Center for Toxoplasmosis network, using Toxoplasma calibrated suspensions diluted to obtain a range of concentrations from 0...
February 15, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28202111/-mortality-rate-and-cause-of-death-in-hospitalized-neonates-an-analysis-of-480-cases
#20
Feng-Dan Xu, Xiang-Yong Kong, Zhi-Chun Feng
OBJECTIVE: To investigate the mortality rate and the cause of death of hospitalized neonates. METHODS: The clinical data of 480 neonates who died between January 2008 and December 2014 were collected. The mortality rates of neonates with different gestational ages, birth weights, sexes, and ages in days were analyzed. The abnormal perinatal factors, cause of death, and death grade were summarized. RESULTS: Among the 41 910 hospitalized neonates, 480 (1...
February 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
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