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https://www.readbyqxmd.com/read/28080168/corneal-melt-after-boston-keratoprosthesis-clinical-presentation-management-outcomes-and-risk-factor-analysis
#1
Soumaya Bouhout, Marie-Claude Robert, Sousans Deli, Mona Harissi-Dagher
PURPOSE: To determine the presentation, risk factors, and outcomes of keratolysis after Boston type I keratoprosthesis (B-KPro). METHODS: Retrospective chart review. RESULTS: A total of 16 (14%) of the 110 eyes (96 patients) which underwent B-KPro implantation developed keratolysis at an average 20 ± 11 months. Retroprosthetic membrane (RPM), infectious keratitis, and corneal dellen were identified in 31%, 25%, and 13% of corneal melts, respectively...
January 12, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28079693/conjunctival-autograft-versus-amniotic-membrane-transplantation-following-double-pterygium-excision-a-randomized-trial
#2
Venkatesh N Prajna, Lumbini Devi, Suganya K Seeniraj, Jeremy D Keenan
No abstract text is available yet for this article.
January 11, 2017: Cornea
https://www.readbyqxmd.com/read/28079552/clinical-experience-using-dehydrated-human-amnion-chorion-membrane-allografts-for-acute-and-reconstructive-burn-care
#3
Debra Ann Reilly, Sean Hickey, Paul Glat, William C Lineaweaver, Jeremy Goverman
Amniotic membrane is immunologically privileged and is a reservoir of growth factors and cytokines known to modulate inflammation and enhance the healing process, while also possessing antimicrobial, antifibrosis, and antiscarring properties. These properties establish a strong argument for using amniotic membrane derived products as a treatment for burns. The purpose of this article is to describe the use of commercially available dehydrated human amnion/chorion membrane allografts in patients with partial-thickness and full-thickness burns...
February 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28079550/the-use-of-dehydrated-human-amnion-chorion-membranes-in-the-treatment-of-burns-and-complex-wounds-current-and-future-applications
#4
Mayer Tenenhaus
Historically, biologic materials found in nature have been used for a wide variety of medicinal purposes, although their widespread use may be limited due to challenges in obtaining and properly preparing the material for safe clinical use. Amniotic membrane has long been recognized to possess unique properties favorable for healing. Dehydrated human amnion/chorion membrane allografts are commercially available for use in multiple sizes and configurations applicable for a variety of clinical settings and presentations...
February 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28079549/contemporary-methods-allowing-for-safe-and-convenient-use-of-amniotic-membrane-as-a-biologic-wound-dressing-for-burns
#5
David N Herndon, Ludwik K Branski
Partial-thickness burns involve damage to the upper layer of skin, which leaves nerve endings exposed, and therefore represent the most painful of several categories of thermal injuries. Historically, partial-thickness burns were treated conservatively by debriding the blisters, by daily tubbing and washing, and the application of new bandages with topical medications. Human amniotic membrane has been used for centuries as a biological wound dressing. In the past 20 years, there has been an increasing body of literature addressing the use of amniotic tissue in chronic wounds and burns...
February 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28078708/blood-vessel-formation-during-tail-regeneration-in-the-leopard-gecko-eublepharis-macularius-the-blastema-is-not-avascular
#6
Samantha L Payne, Hanna M Peacock, Matthew K Vickaryous
Unique among amniotes, many lizards are able to self-detach (autotomize) their tail and then regenerate a replacement. Tail regeneration involves the formation of a blastema, an accumulation of proliferating cells at the site of autotomy. Over time, cells of the blastema give rise to most of the tissues in the replacement tail. In non-amniotes capable of regenerating (such as urodeles and some teleost fish), the blastema is reported to be essentially avascular until tissue differentiation takes place. For tail regenerating lizards less is known...
January 12, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/28077838/low-grade-metabolically-induced-inflammation-mediators-interleukin-6-adiponectin-and-tnf-%C3%AE-serum-levels-in-obese-pregnant-patients-in-the-perinatal-period
#7
Malgorzata Zembala-Szczerba, Andrzej Jaworowski, Hubert Huras, Dorota Babczyk, Robert Jach
BACKGROUND Obesity is a major clinical problem. The number of obese pregnant women is rising rapidly. The consequences of obesity are significant and affect every aspect of perinatal care for both the mother and the developing fetus. Adipose tissue may be responsible for chronic subclinical inflammation in obesity, being a source of inflammatory mediators. The study was designed to evaluate the analysis of the serum concentration of inflammatory mediators, including interleukin-6 (IL-6), tumor necrosis factor alpha (TNF-α), and adiponectin, in obese pregnant women at full-term pregnancies...
January 12, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28077143/pregnant-women-carrying-microcephaly-foetuses-and-zika-virus-contain-potentially-pathogenic-microbes-and-parasites-in-their-amniotic-fluid
#8
Diogo Antonio Tschoeke, Louisi Souza de Oliveira, Luciana Leomil, Amilcar Tanuri, Fabiano Lopes Thompson
BACKGROUND: Microcephaly has become a major public health problem in Brazil. The total number of newborns with microcephaly was reported to be >4000 in June 2016. Studies suggest that Zika Virus is a major cause of new microcephaly cases in Brazil. Inside the uterus, the foetus is surrounded by the Amniotic Fluid, a proximal fluid that contains foetal and maternal cells as well as microorganisms and where Zika Virus was already found. CASE PRESENTATION: A previous study reported the presence of the Zika Virus in the amniotic fluid (collected in the 28th gestational week) of two pregnant women carrying microcephaly foetuses in Brazil...
January 11, 2017: BMC Medical Genomics
https://www.readbyqxmd.com/read/28073305/human-amniotic-mesenchymal-stromal-cells-as-favourable-source-for-cartilage-repair
#9
Emma Muinos-López, Tamara Hermida-Gómez, Isaac Fuentes-Boquete, Francisco Javier de Toro-Santos, Francisco J Blanco, Silvia María Díaz-Prado
INTRODUCTION: Localized trauma-derived breakdown of the hyaline articular cartilage may progress towards osteoarthritis, a degenerative condition characterized by total loss of articular cartilage and joint function. Tissue engineering technologies encompass several promising approaches with high therapeutic potential for the treatment of these focal defects. However, most of the research in tissue engineering is focused on potential materials and structural cues, while little attention is directed to the most appropriate source of cells endowing these materials...
January 10, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28068868/mir-26a-mediates-adipogenesis-of-amniotic-fluid-mesenchymal-stem-stromal-cells-via-pten-cyclin-e1-and-cdk6
#10
Ourania Trohatou, Dimitra Zagoura, Nikos Orfanos, Kalliopi I Pappa, Evangelos Marinos, Nicholas Anagnou, Maria G Roubelakis
Recent findings indicate that microRNAs (miRNAs) are critical for the regulatory network of adipogenesis in human mesenchymal stem/stromal cells (MSCs). Fetal MSCs derived from amniotic fluid (AF-MSCs) represent a population of multipotent stem cells characterized by a wide range of differentiation properties that can be applied in cell-based therapies. In this study, miRNA microarray analysis was performed to assess miRNA expression in terminal differentiated AF-MSCs into adipocyte-like cells (AL cells). MiR-26a was identified in high expression levels in AL cells indicating a critical role in the process of adipogenesis...
January 9, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28067049/amniotic-fluid-and-maternal-serum-metabolic-signatures-in-the-2nd-trimester-associated-with-pre-term-delivery
#11
Christina Virgiliou, Helen G Gika, Michael Witting, Anna A Bletsou, Apostolos Athanasiadis, Menelaos Zafrakas, Nikolaos S Thomaidis, Nikolaos Raikos, Georgios Makrydimas, Georgios A Theodoridis
Pre-term delivery (PTD) represents a major health problem which occurs in one in ten births. The hypothesis of the present study was that the metabolic profile of different biological fluids, obtained from pregnant women during the 2nd trimester of gestation, could allow useful correlations with pregnancy outcome. Holistic and targeted metabolomics approaches were applied for the complementary assessment of the metabolic content of prospectively collected amniotic fluid (AF) and paired maternal blood serum samples from 35 women who delivered preterm (between 29weeks+0days and 36weeks +5 days gestation) and 35 women delivered at term...
January 9, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28064548/amniotic-fluid-sludge-prevalence-and-clinical-significans-of-it-in-asymptomatic-patients-at-high-risk-for-spontaneous-preterm-delivery
#12
Ilknur Adanir, Ozgur Ozyuncu, Ayse Filiz Gokmen Karasu, Lutfu S Onderoglu
INTRODUCTION: The aim of our study is to determine prevalence and clinical significance of the presence of amniotic fluid 'sludge' among asymptomatic patients at high-risk for spontaneous preterm delivery, prospectively. MATERIAL AND METHODS: In our study, 99 patients at high risk for spontaneous preterm delivery were evaluated for the presence of amniotic fluid sludge with transvaginal ultrasonography at 20-22., 26-28. and 32-34. gestational weeks, prospectively; between August 2009 and October 2010 in Hacettepe University Hospital...
January 8, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28062958/a-study-of-oxidative-stress-in-neonates-delivered-through-meconium-stained-amniotic-fluid
#13
Tapas Bandyopadhyay, B D Bhatia, H D Khanna
: To estimate the levels of malondialdehyde (MDA) and 8-hydroxy-2-deoxyguanosine (8-OH-dG) in cord blood plasma of newborns born through meconium-stained amniotic fluid (MSAF) and also to find out the correlation between their levels with birth weight and gestation, we measured the cord blood plasma levels of MDA and 8-OH-dG in 59 newborns born through MSAF and 50 newborns born through clear liquor. The levels of cord blood plasma MDA and 8-OH-dG were significantly higher in full-term and late-preterm newborns born through MSAF...
January 6, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28062945/responses-of-human-neonates-to-highly-diluted-odorants-from-sweat
#14
Helene M Loos, Sébastien Doucet, Fanny Védrines, Constanze Sharapa, Robert Soussignan, Karine Durand, Paul Sagot, Andrea Buettner, Benoist Schaal
Conjugated forms of odorants contributing to sweat odor occur not only in human sweat but also in amniotic fluid, colostrum, and milk. However, it is unclear whether the released odorants are detected and hedonically discriminated by human newborns. To investigate this issue, we administered highly diluted solutions of (R)/(S)-3-methyl-3-sulfanylhexan-1-ol (MSH), (R)/(S)-3-sulfanylhexan-1-ol (SH), (E)/(Z)-3-methylhex-2-enoic acid (3M2H), and (R)/(S)-3-hydroxy-3-methylhexanoic acid (HMHA) to 3-d-old infants while their respiratory rate and oro-facial movements were recorded...
January 6, 2017: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/28062025/amniotic-fluid-technical-update-on-physiology-and-measurement
#15
Kenneth I Lim, Kimberly Butt, Kentia Naud, Mila Smithies
OBJECTIVE: OUTCOMES: EVIDENCE: A MEDLINE and KFINDER search was used to identify relevant articles, with review of bibliography identified article including Cochrane reviews and recent review articles. VALUES: The evidence collected was reviewed by the Diagnostic Imaging Committee of the Society of Obstetricians and Gynecologists of Canada. The recommendations were made according to the guidelines developed by The Canadian Task Force on Preventative Health Care (Table 1)...
January 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28052937/here-and-there-but-not-everywhere-repeated-loss-of-uncoupling-protein-1-in-amniotes
#16
Suzanne McGaugh, Tonia S Schwartz
Endothermy is an evolutionary innovation in eutherian mammals and birds. In eutherian mammals, UCP1 is a key protein in adaptive nonshivering thermogenesis (NST). Although ucp1 arose early in the vertebrate lineage, the loss of ucp1 was previously documented in several reptile species (including birds). Here we determine that ucp1 was lost at the base of the reptile lineage, as we fail to find ucp1 in every major reptile lineage. Furthermore, though UCP1 plays a key role in mammalian NST, we confirm that pig has lost several exons from ucp1 and conclude that pig is not a sole outlier as the only eutherian mammal lineage to do so...
January 2017: Biology Letters
https://www.readbyqxmd.com/read/28049837/dinosaur-incubation-periods-directly-determined-from-growth-line-counts-in-embryonic-teeth-show-reptilian-grade-development
#17
Gregory M Erickson, Darla K Zelenitsky, David Ian Kay, Mark A Norell
Birds stand out from other egg-laying amniotes by producing relatively small numbers of large eggs with very short incubation periods (average 11-85 d). This aspect promotes high survivorship by limiting exposure to predation and environmental perturbation, allows for larger more fit young, and facilitates rapid attainment of adult size. Birds are living dinosaurs; their rapid development has been considered to reflect the primitive dinosaurian condition. Here, nonavian dinosaurian incubation periods in both small and large ornithischian taxa are empirically determined through growth-line counts in embryonic teeth...
January 3, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28046155/anethol-cinnamaldehyde-and-eugenol-inclusion-in-feed-affects-postweaning-performance-and-feeding-behavior-of-piglets
#18
L Blavi, D Solà-Oriol, J J Mallo, J F Pérez
The early exposure of the fetus to certain volatiles may result in a further preference for these compounds later in life and could positively affect the acceptance of feed containing a similar flavor and the zootechnical responses. The study consisted of 2 trials to determine if including Fluidarom 1003 (a commercially flavored feed additive containing >25% anethol and cinnamaldehyde and >10% eugenol; Norel S.A., Madrid, Spain, Spain) in sow and postweaning piglet diets 1) provokes the presence or absence of 3 major volatile compounds (anethol, cinnamaldehyde, and eugenol) in amniotic fluid and milk, affecting piglet performance (BW, ADG, ADFI, and feed conversion ratio) after weaning, and 2) modifies creep feed consumption and feed preference in a 2-choice test...
December 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/28045214/neutrophil-extracellular-traps-in-acute-chorioamnionitis-a%C3%A2-mechanism-of-host-defense
#19
Nardhy Gomez-Lopez, Roberto Romero, Yaozhu Leng, Valeria Garcia-Flores, Yi Xu, Derek Miller, Sonia S Hassan
PROBLEM: Neutrophil extracellular traps (NETs) were recently described as a mechanism for microbial killing in the amniotic cavity of women with intra-amniotic infection. Such a clinical condition can result in acute chorioamnionitis, a placental lesion characterized by the infiltration of maternal neutrophils in the chorioamniotic membranes. Herein, we investigated whether these infiltrating neutrophils form NETs in the chorioamniotic membranes from women who underwent spontaneous term or preterm labor with acute chorioamnionitis...
January 3, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28042936/effect-of-type-2-diabetes-mellitus-on-the-pharmacokinetics-and-transplacental-transfer-of-nifedipine-in-hypertensive-pregnant-women
#20
Gabriela Campos de Oliveira Filgueira, Osmany Alberto Silva Filgueira, Daniela Miarelli Carvalho, Maria Paula Marques, Elaine Christine Dantas Moisés, Geraldo Duarte, Vera Lucia Lanchote, Ricardo Carvalho Cavalli
AIMS: Diabetes mellitus can inhibit CYP3A4, an enzyme responsible for the metabolism of nifedipine, used for the treatment of hypertension in pregnant women. We aimed to assess the effect of type 2 diabetes mellitus (T2DM) on the pharmacokinetics, placental transfer and distribution of nifedipine in amniotic fluid in hypertensive pregnant women. METHODS: The study was conducted on 12 hypertensive pregnant women (control group - CG) and 10 hypertensive pregnant women with T2DM taking slow-release nifedipine (20 mg, 12/12 hours)...
January 2, 2017: British Journal of Clinical Pharmacology
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