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amniotic infection

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https://www.readbyqxmd.com/read/28635162/chlamydia-trachomatis-is-responsible-for-lipid-vacuolation-in-the-amniotic-epithelium-of-fetal-gastroschisis
#1
Marcia L Feldkamp, Diane M Ward, Theodore J Pysher, Christina T Chambers
BACKGROUND: Vacuolated amniotic epithelium with lipid droplets in gastroschisis placentas is an unusual finding. Mass spectrometry of lipid droplets identified triglycerides, ester-linked to an unusual pattern of fatty acids. We hypothesize that these findings result from a Chlamydia trachomatis infection during the periconceptional period. The rising incidence of chlamydia infections has paralleled the increasing prevalence of gastroschisis among women less than 25 years of age. Histologically, young women are at greatest risk for a chlamydia infection due to their immature columnar epithelium, the preferential site for attachment of Chlamydia trachomatis infectious particle (elementary body)...
June 21, 2017: Birth defects research
https://www.readbyqxmd.com/read/28616359/bioactive-antimicrobial-peptides-as-therapeutics-for-corneal-wounds-and-infections
#2
REVIEW
Gina L Griffith, Anne Kasus-Jacobi, H Anne Pereira
Significance: More than 2 million eye injuries and infections occur each year in the United States that leave civilians and military members with reduced or complete vision loss due to the lack of effective therapeutics. Severe ocular injuries and infections occur in varied settings including the home, workplace, and battlefields. In this review, we discuss the potential of developing antimicrobial peptides (AMPs) as therapeutics for the treatment of corneal wounds and infections for which the current treatment options are inadequate...
June 1, 2017: Advances in Wound Care
https://www.readbyqxmd.com/read/28602048/injected-corticosteroids-for-treating-plantar-heel-pain-in-adults
#3
REVIEW
Judy A David, Venkatesan Sankarapandian, Prince Rh Christopher, Ahana Chatterjee, Ashish S Macaden
BACKGROUND: Plantar heel pain, commonly resulting from plantar fasciitis, often results in significant morbidity. Treatment options include nonsteroidal anti-inflammatory drugs (NSAIDs), orthoses, physical therapy, physical agents (e.g. extracorporeal shock wave therapy (ESWT), laser) and invasive procedures including steroid injections. OBJECTIVES: To assess the effects (benefits and harms) of injected corticosteroids for treating plantar heel pain in adults. SEARCH METHODS: We searched the Cochrane Bone, Joint and Muscle Trauma Group Specialised Register, the Cochrane Central Register of Controlled Trials (the Cochrane Library), MEDLINE, Embase, CINAHL, clinical trials registries and conference proceedings...
June 11, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28575162/mycoplasma-hominis-infections-transmitted-through-amniotic-tissue-product
#4
Shannon A Novosad, S V Basavaraju, P Annambhotla, M Mohr, A Halpin, L Foy, R Chmielewski, J M Winchell, A J Benitez, S S Morrison, T Johnson, D M Crabb, A E Ratliff, K Waites, M J Kuehnert
Background: Mycoplasma hominis is a commensal genitourinary tract organism that can cause infections outside the genitourinary tract. We investigated a cluster of M. hominis surgical site infections in patients who underwent spine surgery, all associated with amniotic tissue linked to a common donor. Methods: Laboratory tests of tissue product from the donor, including culture, quantitative real-time PCR (qPCR), and whole genome sequencing were performed. Use of this amniotic tissue product was reviewed...
May 31, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28570820/human-milk-oligosaccharides-exhibit-antimicrobial-and-anti-biofilm-properties-against-group-b-streptococcus
#5
Dorothy L Ackerman, Ryan S Doster, Jörn-Hendrik Weitkamp, David Aronoff, Jennifer A Gaddy, Steven D Townsend
Streptococcus agalactiae (Group B Streptococcus, GBS) is a Gram-positive bacterial pathogen that causes invasive infections of both children and adults. During pregnancy, GBS is a significant cause of infection of the fetal membranes (chorioamnionitis), which can lead to intra-amniotic infection, preterm birth, stillbirth, and neonatal sepsis. Recently, breastfeeding has been thought to represent a potential mode of GBS transmission from mother to newborn, which might increase the risk for late-onset sepsis...
June 1, 2017: ACS Infectious Diseases
https://www.readbyqxmd.com/read/28569215/diagnosis-of-swine-toxoplasmosis-by-pcr-and-genotyping-of-toxoplasma-gondii-from-pigs-in-henan-central-china
#6
Haiyan Wang, Longxian Zhang, Qinge Ren, Fuchang Yu, Yurong Yang
BACKGROUND: Toxoplasma gondii, a widely prevalent protozoan parasite, causes serious toxoplasmosis infections in humans and other animals. Among livestock, pigs are susceptible to T. gondii infection. Despite Henan being one of the biggest pig-raising provinces in China, little information exists on the epidemiology of toxoplasmosis in this location. Therefore, we molecularly characterized DNA samples from pigs in Henan. A total of 1647 samples, including 952 from dead piglets, 478 from seriously sick fattening pigs and 217 from abortion sows, were collected from different animal hospitals or pig farms from 10 different cities in Henan (2006-2008)...
May 31, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28539446/infectious-prions-in-the-pregnancy-microenvironment-of-cwd-infected-reeves-muntjac-deer
#7
Amy V Nalls, Erin McNulty, Clare E Hoover, Laura A Pulscher, Edward A Hoover, Candace K Mathiason
Ample evidence exists for the presence of infectious agents at the maternal-fetal interface, often with grave outcomes to the developing fetus (i.e. zika virus, brucella, cytomegalovirus, toxoplasma). While less studied, pregnancy-related transmissible spongiform encephalopathies (TSEs) have been implicated in several species, including humans. Our previous work has shown that prions can be transferred from mother-to-offspring resulting in the development of clinical TSE disease in offspring born to CWD-infected muntjac dams (64)...
May 24, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28537755/a-pilot-study-of-noninvasive-prenatal-diagnosis-of-alpha-and-beta-thalassemia-with-target-capture-sequencing-of-cell-free-fetal-dna-in-maternal-blood
#8
Wenjuan Wang, Yuan Yuan, Haiqing Zheng, Yaoshen Wang, Dan Zeng, Yihua Yang, Xin Yi, Yang Xia, Chunjiang Zhu
AIMS: Thalassemia is a dangerous hematolytic genetic disease. In south China, ∼24% Chinese carry alpha-thalassemia or beta-thalassemia gene mutations. Given the fact that the invasive sampling procedures can only be performed by professionals in experienced centers, it may increase the risk of miscarriage or infection. Thus, most people are worried about the invasive operation. As such, a noninvasive and accurate prenatal diagnosis is needed for appropriate genetic counseling for families with high risks...
May 24, 2017: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/28507863/amnion-membrane-in-diabetic-foot-wounds-a-meta-analysis
#9
Alexandra M Haugh, Jacqueline G Witt, Adam Hauch, Michael Darden, Geoffrey Parker, Warren A Ellsworth, Joseph F Buell
BACKGROUND: Amniotic membrane is tissue obtained from human placenta rich in cytokines, growth factors, and stem cells that possess the ability to inhibit infection, improve healing, and stimulate regeneration. METHODS: A meta-analysis was performed examining randomized controlled trials comparing amniotic tissue products with standard of care in nonhealing diabetic foot ulcers including PubMed, Cochrane Central Register of Controlled Trials, and the Cochrane Database of Systematic Reviews...
April 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28502201/prediction-of-chorioamnionitis-in-cases-of-intraamniotic-infection-by-ureaplasma-urealyticum-in-women-with-very-preterm-premature-rupture-of-membranes-or-preterm-labour
#10
Rocio Revello, María José Alcaide, Daniel Abehsera, María Martin-Camean, Mafalda Sousa E Faro Gomes, Bárbara Alonso-Luque, Jose L Bartha
OBJECTIVES: First, to determinate the frequency of chorioamnionitis and funisitis in cases of intramniotic detection of Ureaplasma urealyticum. And second, to assess the predictive capability of some biological markers in the amniotic fluid of these women to predict histological inflammation. SUBJECTS AND METHODS: We prospectively studied 20 cases of women with premature rupture of membranes or preterm labour (PROM) or preterm labour and intraamniotic detection of Ureaplasma urealyticum...
May 14, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28487016/the-expression-level-of-c19mc-mirnas-in-early-pregnancy-and-in-response-to-viral-infection
#11
Tina M F Dumont, Jean-Francois Mouillet, Avaraham Bayer, Christina L Gardner, William B Klimstra, Dana G Wolf, Simcha Yagel, Fabiola Balmir, Anna Binstock, Joseph S Sanfilippo, Carolyn B Coyne, Jacob C Larkin, Yoel Sadovsky
INTRODUCTION: We have previously shown that miRNAs produced from the Chromosome 19 MiRNA Cluster (C19MC), which are expressed almost exclusively in primate trophoblasts and are released into the maternal circulation, reduce viral replication in non-placental cells and can modulate migratory behavior of extravillous trophoblast. We sought to define the expression pattern of C19MC miRNA in early pregnancy and in response to viral infection in vitro and in vivo. METHODS: We prospectively followed women undergoing in vitro fertilization (IVF) and determined their blood level of C19MC miRNA using RT-qPCR...
May 2017: Placenta
https://www.readbyqxmd.com/read/28451522/ureaplasma-species-multiple-banded-antigen-mba-variation-is-associated-with-the-severity-of-inflammation-in-vivo-and-in-vitro-in-human-placentae
#12
Emma L Sweeney, Suhas G Kallapur, Simone Meawad, Tate Gisslen, Sally-Anne Stephenson, Alan H Jobe, Christine L Knox
Background: The multiple banded antigen (MBA), a surface-exposed lipoprotein, is a proposed virulence factor of Ureaplasma spp. We previously demonstrated that the number of Ureaplasma parvum MBA size variants in amniotic fluid was inversely proportional to the severity of chorioamnionitis in experimentally infected pregnant sheep. However, the effect of ureaplasma MBA size variation on inflammation in human pregnancies has not been reported. Methods: Ureaplasmas isolated from the chorioamnion of pregnant women from a previous study (n = 42) were speciated/serotyped and MBA size variation was demonstrated by PCR and western blot...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28446135/comparison-of-rapid-immunoassays-for-rupture-of-fetal-membranes
#13
Irogue Igbinosa, Ferney A Moore, Cheri Johnson, Jon E Block
BACKGROUND: Rupture of membranes (ROM) before the onset of uterine contractions, particularly in pregnancies less than 37 weeks gestational age, is a common diagnostic problem in obstetrical practice. Timely detection of ROM is vital to support gestational age-specific interventions to optimize perinatal outcomes and minimize the risk of serious complications such as preterm delivery, fetal distress and maternal/fetal infections. Rapid bedside immunoassay tests designed to detect amniotic fluid proteins in cervicovaginal fluids have emerged as valuable clinical tools to provide timely ROM diagnosis...
April 26, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28441952/management-of-suspected-primary-toxoplasma-gondii-infection-in-pregnant-women-in-norway-twenty-years-of-experience-of-amniocentesis-in-a-low-prevalence-population
#14
Gry Findal, Anne Helbig, Guttorm Haugen, Pål A Jenum, Babill Stray-Pedersen
BACKGROUND: Primary infection with Toxoplasma gondii during pregnancy may pose a threat to the fetus. Women infected prior to conception are unlikely to transmit the parasite to the fetus. If maternal serology indicates a possible primary infection, amniocentesis for toxoplasma PCR analysis is performed and antiparasitic treatment given. However, discriminating between primary and latent infection is challenging and unnecessary amniocenteses may occur. Procedure-related fetal loss after amniocentesis is of concern...
April 26, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28432664/human-perinatal-immunity-in-physiological-conditions-and-during-infection
#15
REVIEW
Gijs T J van Well, Leonie A Daalderop, Tim Wolfs, Boris W Kramer
The intrauterine environment was long considered sterile. However, several infectious threats are already present during fetal life. This review focuses on the postnatal immunological consequences of prenatal exposure to microorganisms and related inflammatory stimuli. Both the innate and adaptive immune systems of the fetus and neonate are immature, which makes them highly susceptible to infections. There is good evidence that prenatal infections are a primary cause of preterm births. Additionally, the association between antenatal inflammation and adverse neonatal outcomes has been well established...
December 2017: Molecular and Cellular Pediatrics
https://www.readbyqxmd.com/read/28426649/the-importance-of-appropriate-initial-bacterial-colonization-of-the-intestine-in-newborn-child-and-adult-health
#16
REVIEW
W Allan Walker
The fetus does not reside in a sterile intrauterine environment and is exposed to commensal bacteria from the maternal gut/blood stream that cross the placenta and enter the amniotic fluid. This intestinal exposure to colonizing bacteria continues at birth and during the first year of life and has a profound influence on lifelong health. Why is this important? Intestinal crosstalk with colonizing bacteria in the developing intestine affects the infant's adaptation to extrauterine life (immune homeostasis) and provides protection against disease expression (allergy, autoimmune disease, obesity, etc...
May 17, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28422948/beyond-the-uterine-environment-nonhuman-primate-model-to-investigate-maternal-fetal-and-neonatal-outcomes-following-chronic-intrauterine-infection
#17
Meredith A Kelleher, Zheng Liu, Xiaojie Wang, Christopher D Kroenke, Lisa A Houser, Brandy L Dozier, Lauren D Martin, Ken B Waites, Cindy McEvoy, Robert L Schelonka, Peta L Grigsby
BACKGROUND: Intrauterine infection is a significant cause of early preterm birth. We have developed a fetal-neonatal model in the rhesus macaque to determine the impact of chronic intrauterine infection with Ureaplasma parvum on early neonatal reflexes and brain development. METHODS: Time-mated, pregnant rhesus macaques were randomized to be inoculated with U. parvum (serovar 1; 10(5)cfu) or control media at ~120 dGA. Neonates were delivered by elective hysterotomy at 135-147 dGA (term=167d) stabilized and cared for in our nonhuman primate neonatal intensive care unit...
April 19, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28419180/impact-of-gestational-nicotine-exposure-on-intrauterine-and-fetal-infection-in-a-rodent-model1
#18
Maria von Chamier, Leticia Reyes, Linda F Hayward, Mary B Brown
We investigated the interaction between prenatal nicotine exposure and intrauterine infection using established rat models. Beginning at gestation day (GD) 6, dams were continuously infused with either saline or 6 mg/kg/day nicotine (Nic). At GD 14, dams received either sterile broth or 105 CFU Mycoplasma pulmonis (MP), resulting in 4 treatment groups: Control (4 dams, 33 fetal units); MP only (5 dams, 55 fetal units); Nic only (5 dams, 61 fetal units) and Nic + MP (7 dams, 82 fetal units). At GD 18, nicotine exposure significantly increased (P ≤ 0...
April 17, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28409225/stromal-lenticule-transplantation-for-management-of-corneal-perforations-one-year-results
#19
Mohamed Samy Abd Elaziz, Adel Galal Zaky, Abdel Rahman El SaebaySarhan
PURPOSE: To study application of stromal lenticules extracted by femtolaser small incision lenticule extraction (SMILE) surgery as a surgical adjuvant to seal corneal perforations. METHODS: Corneal stromal lenticules obtained through SMILE surgery with central thickness 100 μm or more were fixed over corneal perforation sites using 10-0 nylon interrupted stitches with an overlying single layer of amniotic membrane. Seven patients who had been followed up for a minimum of 12 months were assessed using slit-lamp biomicroscopy, fluorescein stain, tonometry, and best spectacle-corrected visual acuity (BSCVA) measurements...
April 13, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28391132/antenatal-prognostic-factor-of-fetal-echogenic-bowel
#20
Candice Ronin, Pierre Mace, Fabien Stenard, Anderson Loundou, Marianne Capelle, Isabelle Mortier, Marie Christine Pellissier, Sabine Sigaudy, Annie Levy, Claude D'ercole, Pascale Hoffmann, Thierry Merrot, Jonathan Lopater, Pascal De Lagausie, Nicole Philip, Florence Bretelle
OBJECTIVE: The aim of this study was to identify antenatal prognostic factors of neonatal outcomes in cases of fetal echogenic bowel (FEB). STUDY DESIGN: A retrospective study in three tertiary referral centers including fetal echogenic bowel over a 10-year period (from January 2003 to December 2013). The echogenicity of the fetal bowel was graded from 1 to 3, according to Slotnick's definition. Associated echographic findings such as bowel dilations, gallbladder abnormalities, calcifications, extra-abdominal abnormalities, intrauterine growth restriction (IUGR) and a decrease in amniotic fluid volume, if present were also recorded...
May 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
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