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https://www.readbyqxmd.com/read/29149662/in-ovo-transformation-of-two-emerging-flame-retardants-in-japanese-quail-coturnix-japonica
#1
Nathalie Briels, Mari E Løseth, Tomasz M Ciesielski, Govindan Malarvannan, Giulia Poma, Sara A Kjærvik, Alexis Léon, Ronan Cariou, Adrian Covaci, Veerle L B Jaspers
Tris(1,3-dichloro-2-propyl) phosphate (TDCIPP) and Dechlorane Plus (DP) are two chlorinated, alternative flame retardants that have been found in wild birds and bird eggs. Little is known about the fate and effect of these compounds in birds, especially during the vulnerable stages of embryonic development. To investigate the ability of birds to biotransform these compounds, an in ovo exposure experiment with Japanese quail eggs was performed. Quail eggs were injected in the yolk sac with 1000ng/g egg of TDCIPP (2...
November 14, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29147816/development-of-pseudoaneurysm-in-cesarean-section-scar-pregnancy-a-case-report-and-literature-review
#2
Shunki Kiyokawa, Tatsuyuki Chiyoda, Kazunori Ueno, Keiko Saotome, Seon-Hye Kim, Sakura Nakada
Cesarean scar pregnancy (CSP) is a rare type of ectopic pregnancy. It is becoming more common, but it can lead to uterine rupture and severe hemorrhage. Here, we report a case of a 37-year-old woman with CSP complicated with pseudoaneurysm. The pseudoaneurysm emerged following focal injection of methotrexate (MTX) and potassium chloride with systemic MTX treatment. Due to a risk of sudden bleeding, uterine artery embolization (UAE) was recommended, but the patient hoped to avoid this if possible. Because the serum human chorionic gonadotropin level and the gestational sac were still persistent, dilation and curettage were performed with interventional radiologists on standby...
November 16, 2017: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/29147457/oxidative-stress-delays-prometaphase-metaphase-of-the-first-cleavage-in-mouse-zygotes-via-the-mad2l1-mediated-spindle-assembly-checkpoint
#3
Que Wu, Zhiling Li, Yue Huang, Diting Qian, Man Chen, Wanfen Xiao, Bin Wang
In zygotes, DNA damage delays the first cleavage to enable repair. Our previous study found that 0.03 mM hydrogen peroxide (H2O2) was the minimum concentration required for induction of oxidative DNA damage in mouse zygotes and that this represented the most similar situation to the clinical phenomenon. In this study, we quantified the cleavage rates of cells in blastocysts at different developmental stages, followed by immunofluorescence to detect activation of γ-H2A histone family member X (a marker of DNA damage) in zygotes to confirm that oxidative DNA damage was induced in H2O2-treated zygotes...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29145642/arf2-4-and-arf5-are-essential-for-female-and-male-gametophyte-development-in-arabidopsis
#4
Zhenning Liu, Liming Miao, Ruxue Huo, Xiaoya Song, Johnson Cameron, Lijun Kong, Venkatesan Sundaresan, Xiaolin Yu
The plant hormone auxin plays critical roles in plant growth and development. Auxin response factors (ARFs) are a class of transcription factors which regulate auxin-mediated gene expression. While the functions of ARFs in sporophytic development have been well characterized, their functions specific to gametophytic development have not been studied extensively. In this study, Arabidopsis ARF genes were selectively down-regulated in gametophytes by mis-expression of targeted microRNAs (amiRARF234, amiRARFMP and MIR167a) to silence AtARF2-4, AtARF5, AtARF6 and AtARF8...
November 14, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/29144927/re-can-separation-of-the-scrotal-sac-in-proximal-hypospadias-reliably-predict-the-need-for-urethral-plate-transection
#5
Douglas A Canning
No abstract text is available yet for this article.
December 2017: Journal of Urology
https://www.readbyqxmd.com/read/29144293/facile-preparation-of-a-novel-catalytic-particle-electrode-from-sewage-sludge-and-its-electrocatalytic-performance-in-three-dimensional-heterogeneous-electro-fenton
#6
Baolin Hou, Renjian Deng, Bozhi Ren, Zhi Li
A novel type of catalytic particle electrode (SAC-Fe) was developed from sewage sludge and iron sludge via a facile method. The catalytic particle electrodes (CPEs) were also supposed to be heterogeneous catalyst for electro-Fenton (EF). The CPEs were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR). SAC-Fe showed superior porous structure and higher adsorption capacity and catalytic activity than Fe3O4 magnetic nanoparticles. Catechol and total organic carbon (TOC) removal efficiency can reach 96...
November 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/29143993/how-to-measure-size-of-tubal-ectopic-pregnancy-on-ultrasound-scan
#7
K Rajah, V Goodhart, K P Zamora, T Amin, E Jauniaux, D Jurkovic
OBJECTIVE: To identify the preoperative ultrasound measurements for assessing the size of tubal ectopic pregnancy which correlate best with the findings at surgery. METHODS: We conducted a prospective study of all women with a conclusive transvaginal ultrasound diagnosis of tubal ectopic pregnancy over a 10-month period. In each case, we measured the total size of the ectopic pregnancy by placing the calipers on the outer edges of the visible trophoblastic tissue...
November 16, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29143099/-left-atrial-appendage-clusure-in-nonvalvular-atrial-fibrillation-clinical-evidence-2017
#8
REVIEW
Steffen Gloekler, Bajram Hajredini, Simon Rycerz, Sebastian Jäckle, Werner Jung
Nonvalvular atrial fibrillation (AF) is the most common arrhythmia with a prevalence of 1-2% and affects approximately 15-20% of all octogenarians. Patients are at increased risk of thromboembolic stroke, with an overall risk of 5% per year. Thrombi form almost exclusively in the left atrial appendage (LAA), a blind sac-like heterogeneous structure trabeculated by pectinate muscles. In the past five decades, life-long oral anticoagulation (OAC) with vitamin K antagonists (VKA) has been the state-of-the art treatment to prevent stroke and systemic embolism from thrombi in AF...
November 15, 2017: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/29142173/effect-of-dibutyltin-on-placental-and-fetal-toxicity-in-rat
#9
Satoshi Furukawa, Naho Tsuji, Yoshiyuki Kobayashi, Yoshikazu Yamagishi, Seigo Hayashi, Masayoshi Abe, Yusuke Kuroda, Masayuki Kimura, Chisato Hayakawa, Akihiko Sugiyama
In order to elucidate the effect of chorioallantoic and yolk sac placenta on the embryonic/fetal toxicity in dibutyltin dichloride (DBTCl)-exposed rats, we examined the histopathological changes and the tissue distribution of dibutyltin in the placentas and embryos. DBTCl was orally administered to the groups at doses of 0 mg/kg during gestation days (GD)s 7-9 (control group) and 20 mg/kg during GDs 7-9 (GD7-9 treated group), and GDs 10-12 (GD10-12 treated group). The total fetal mortality was increased, and malformations characterized by craniofacial dysmorphism were detected in the GD7-9 treated group...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/29141384/-problems-deserving-attention-in-preventing-infection-in-cataract-surgery
#10
J Ye
Endophthalmitis is one of the most serious complications of cataract surgery. The surgeons try to reduce the incidence of endophthalmitis. In order to prevent postoperative infection, irrigation of the conjunctival sac with povidone iodine and injection of antibiotics into the anterior chamber before the end of the surgery are used. Although there are a lot of reports about the concentration, mode and duration of povidone iodine application, there is no consensus. There are many options for antibiotics, including cefuroxime, vancomycin and moxifloxacin...
November 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29140133/ite-inhibits-growth-of-human-pulmonary-artery-endothelial-cells
#11
Ling-Pin Pang, Yan Li, Qing-Yun Zou, Chi Zhou, Wei Lei, Jing Zheng, Shi-An Huang
AIM: Pulmonary arterial hypertension (PAH), a deadly disorder is associated with excessive growth of human pulmonary artery endothelial (HPAECs) and smooth muscle (HPASMCs) cells. Current therapies primarily aim at promoting vasodilation, which only ameliorates clinical symptoms without a cure. 2-(1'H-indole-3'-carbonyl)-thiazole-4-carboxylic acid methyl ester (ITE) is an endogenous aryl hydrocarbon receptor (AhR) ligand, and mediates many cellular function including cell growth. However, the roles of ITE in human lung endothelial cells remain elusive...
October 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/29137274/effective-protection-against-acute-respiratory-distress-syndrome-sepsis-injury-by-combined-adipose-derived-mesenchymal-stem-cells-and-preactivated-disaggregated-platelets
#12
Chih-Hung Chen, Yung-Lung Chen, Pei-Hsun Sung, Cheuk-Kwan Sun, Kuan-Hung Chen, Yi-Ling Chen, Tien-Hung Huang, Hung-I Lu, Fan-Yen Lee, Jiunn-Jye Sheu, Sheng-Ying Chung, Mel S Lee, Hon-Kan Yip
This study assessed whether combining adipose-derived mesenchymal stem cells (ADMSC) with preactivated, disaggregated shape-changed platelets (PreD-SCP) was superior to either therapy alone for protecting rat lung from acute respiratory distress syndrome (ARDS) complicated by sepsis. ARDS and sepsis were induced through 100% oxygen inhalation and peritoneal administration of 1.5 mg/kg lipopolysaccharide (LPS), respectively. Adult-male Sprague-Dawley rats (n=40) were randomized into sham-control (SC), ARDS-LPS, ARDS-LPS-ADMSC (1...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137014/radiological-manifestations-and-surgical-outcome-of-combined-upper-cervical-cord-compression-and-cervical-ossification-of-the-posterior-longitudinal-ligament-with-a-minimum-2-year-follow-up
#13
Hao Li, Xiaopeng Zhou, Gang Chen, Fangcai Li, Junfeng Zhu, Qixin Chen
Combined upper cervical cord compression associated with cervical ossification of the posterior longitudinal ligament (OPLL) is a rare and under-recognized disorder. The aim of this study was to investigate the radiological manifestations and surgical outcome of this combined disease.Between May 2011 and July 2015, patients who underwent surgery for combined upper cervical cord compression and cervical OPLL in our institution were included in this study. After a minimum 2-year follow-up, radiological and clinical data were collected...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29134952/epigastrium-unusual-site-of-incisional-hernia-from-a-5-mm-trocar
#14
Antonino Buffone, Salvatore Lo Bianco, Dario Cavallaro, Pietro Caglià, Guido Basile, Matteo Angelo Cannizzaro
The observation of an unusual case of incisional hernia, found in the epigastric zone at the site of a 5 mm trocar incision for a cholecystectomy, has caused us to describe it and to review the literature. C.A. is a male aged 59 and He came to our attention in 2014, complaining about the presence, for about three months, a swelling in the epigastric area, without occlusive symptoms. An objective examination showed an epigastric mass at the scar of the insertion site of a 5mm trocar during the cholecystectomy operation...
June 12, 2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/29134034/at-home-at-least-the-taxonomic-position-of-some-north-african-xerocrassa-species-pulmonata
#15
Issaad Kawther Ezzine, Beat Pfarrer, Najet Dimassi, Khaled Said, Eike Neubert
In order to clarify the systematic position of Helix latastei Letourneux in Letourneux & Bourguignat, 1887, and Helix latasteopsis Letourneux & Bourguignat, 1887, a comprehensive approach using morphological and molecular methods is presented. The investigation of the genital organs of both species showed that they belong to the genus Xerocrassa Monterosato, 1892 with two very small dart sacs and a few tubiform glandulae mucosae. In our phylogenetic analysis using the mitochondrial markers COI, 16S and the nuclear cluster 5...
2017: ZooKeys
https://www.readbyqxmd.com/read/29134000/a-new-species-of-the-genus-kurixalus-from-yunnan-china-anura-rhacophoridae
#16
Guohua Yu, Jishan Wang, Mian Hou, Dingqi Rao, Junxing Yang
A new species of the genus Kurixalus (Anura: Rhacophoridae) is described from Yunnan, China based on morphological and molecular evidence. The new species, Kurixalus lenquanensissp. n., is distinguished from other congeneric species by a combination of (1) smaller body size (SVL in males ranges from 25.0 to 28.9 mm), (2) obtusely pointed snout with no prominence on tip, (3) rough and brown dorsum with darker mark, (4) absence of large dark spots on ventral surface, (5) brownish clouded chin, (6) granular throat, chest, and belly, (7) presence of vomerine teeth, (8) serrated dermal fringes along outer edge of limbs, (9) slight nuptial pad, (10) golden brown iris, and (11) single internal vocal sac...
2017: ZooKeys
https://www.readbyqxmd.com/read/29132685/first-report-on-the-isolation-of-trueperella-abortisuis-from-companion-animals
#17
J-P Wickhorst, A A Hassan, O Sammra, M Alssahen, C Lämmler, E Prenger-Berninghoff, M Naggert, M Timke, J Rau, A Abdulmawjood
The present study gives a detailed phenotypic and genotypic characterization of three Trueperella abortisuis strains isolated from a ten year old male Hovawart dog with an abscess of anal sac, from urine of an eight year old European shorthair cat with urolithiasis and nephrolithiasis and from a 14year old Maine Coon cat with a perianal abscess, respectively. All three strains could be identified phenotypically, by MALDI-TOF MS analysis and genotypically by sequencing the 16S rDNA and the molecular target genes gap and tuf...
November 7, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/29132241/rectovaginal-fistula-following-surgery-for-deep-infiltrating-endometriosis-does-lesion-size-matter
#18
Yunxi Zheng, Ning Zhang, Weiqi Lu, Liang Zhang, Shouxin Gu, Ying Zhang, Xiaofang Yi, Keqin Hua
Objective This study was performed to identify risk factors for postoperative rectovaginal fistula (PRF) in patients with deep infiltrating endometriosis (DIE). Methods Data were retrospectively obtained from the medical records of 104 patients with DIE, and statistical analysis was used to detect risk factors for PRF. Results Five of 104 (4.8%) patients developed PRF from 5 to 16 days postoperatively. The operative procedures included 84 (80.8%) superficial excisions, 6 (5.8%) full-thickness disc excisions, and 14 (13...
September 26, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/29132031/effects-of-microcystis-on-development-of-early-life-stage-japanese-medaka-oryzias-latipes-comparative-toxicity-of-natural-blooms-cultured-microcystis-and-microcystin-lr
#19
Spencer R Saraf, Amy Frenkel, Matthew J Harke, Jennifer G Jankowiak, Christopher J Gobler, Anne E McElroy
Freshwater cyanobacterial harmful algal blooms (CyanoHABs) caused by algae in the genus Microcystis have been increasing in frequency and severity in recent decades. Microcystis blooms threaten aquatic organisms through effects associated with the rapid increase of biomass and the production of the hepatotoxin microcystin (MC) by toxic strains. Among fish, effects of blooms are likely to be more severe for early life stages, and physiological impacts on this life stage could significantly impact recruitment and fish populations...
November 2, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/29130832/developmental-toxicity-assay-for-food-additive-tartrazine-using-zebrafish-danio-rerio-embryo-cultures
#20
Vani Joshi, Pancharatna Katti
Tartrazine (TTZ) is an azo dye used as a colorant in food products, drugs, and cosmetics. The present study evaluates the impacts of TTZ on embryonic development of zebrafish ( Danio rerio). Laboratory-raised D. rerio embryos (n = 20/concentration) were exposed to graded dilutions of TTZ (0, 0.1, 1, 2, 3, 4, 5, 10, 20, 30, 40, 50, 75, and 100 mM) from gastrulation stage (5.25 hours postfertilization [hpf]) until hatching and developmental trajectory was traced up to day 7. The no observed effect concentration (NOEC), median lethal concentration (LC50), median effective concentration (EC50), and teratogenic index (TI) were calculated...
January 1, 2017: International Journal of Toxicology
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