نتایج جستجو برای: fetal dose

تعداد نتایج: 394214  

Journal: :Toxicology 2006
Yuan-Hua Chen De-Xiang Xu Lei Zhao Hua Wang Jian-Ping Wang Wei Wei

Lipopolysaccharide (LPS) has been associated with adverse developmental outcomes including embryonic resorption, intra-uterine fetal death (IUFD), intra-uterine growth retardation (IUGR) and preterm labor. Reactive oxygen species (ROS) mediate LPS-induced developmental toxicity. Ascorbic acid is an antioxidant. In the present study, we investigated the effect of ascorbic acid on LPS-induced IUF...

Journal: :Toxicological sciences : an official journal of the Society of Toxicology 2016
Leon Earl Gray Johnathan Furr Katoria R Tatum-Gibbs Christy Lambright Hunter Sampson Bethany R Hannas Vickie S Wilson Andrew Hotchkiss Paul M D Foster

Phthalate esters (PEs) constitute a large class of compounds that are used for many consumer product applications. Many of the C2-C7 di-ortho PEs reduce fetal testicular hormone and gene expression levels in rats resulting in adverse effects seen later in life but it appears that relatively large reductions in fetal testosterone (T) levels and testis gene expression may be required to adversely...

2013
Abha Shrestha Chandra Dev Chawla

Method: This was a prospective, longitudinal and analytical study conducted in Kathmandu University Hospital, Dhulikhel from 1st July 2011 to 1st of December 2012. There were 32 patients included in the study. Indomethacin was administered orally at the dose of 25 mg three times a day for 1 week. The patients were admitted for observation of clinical symptoms, fundal height, fetal status and am...

2007
I. Kim Mahood Hayley M. Scott Richard Brown Nina Hallmark Marion Walker Richard M. Sharpe

BACKGROUND Fetal exposure of male rats to di(n-butyl) phthalate (DBP) induces reproductive disorders similar to those in human testicular dysgenesis syndrome (TDS), including infertility, cryptorchidism, focal "dysgenetic areas," and Sertoli cell-only tubules in the adult testis. Humans are widely exposed to DBP, but at much lower levels than those causing adverse effects in rats. OBJECTIVES ...

Journal: :Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 2013
S Roberge K H Nicolaides S Demers P Villa E Bujold

OBJECTIVE To compare early vs late administration of low-dose aspirin on the risk of perinatal death and adverse perinatal outcome. METHODS Databases were searched for keywords related to aspirin and pregnancy. Only randomized controlled trials that evaluated the prophylactic use of low-dose aspirin (50-150 mg/day) during pregnancy were included. The primary outcome combined fetal and neonata...

Journal: :AANA journal 1993
N Merson

This is a case report of supraventricular tachycardia following initiation of epidural analgesia with use of an epinephrine test dose in a parturient during active labor. Vagal stimulatory efforts failed to interrupt the arrhythmia, but treatment with adenosine was successful. Fetal monitoring with a scalp electrode provided evidence of fetal well-being throughout the episode. Adenosine was cho...

Journal: :Biometrics 2006
Michael R Elliott Marshall M Joffe Zhen Chen

Estimating the effects of a toxin on fetal development in animal models such as mice can be problematic, because the number of pups that develop and survive until birth may simultaneously affect developmental outcomes such as birth weight and be affected by the introduction of a toxin into the fetal environment. Also, comparing pups that survived until birth at a high dose of the toxin with pup...

Journal: :American journal of physiology. Lung cellular and molecular physiology 2012
William R Hartman Dan F Smelter Venkatachalem Sathish Michael Karass Sunchin Kim Bharathi Aravamudan Michael A Thompson Yassine Amrani Hitesh C Pandya Richard J Martin Y S Prakash Christina M Pabelick

Maintenance of blood oxygen saturation dictates supplemental oxygen administration to premature infants, but hyperoxia predisposes survivors to respiratory diseases such as asthma. Although much research has focused on oxygen effects on alveoli in the setting of bronchopulmonary dysplasia, the mechanisms by which oxygen affects airway structure or function relevant to asthma are still under inv...

Methomyl is an oxime carbamate pesticide that is widely used in the Philippines. This insecticide is known to be an endocrine disrupting chemical and a potent genotoxic in mammalian cells. However, limited studies were conducted specifically on its direct effects on estrous cycle and its teratogenic effect. This study aimed to (a) assess the effect of methomyl on the body weight and on the estr...

AK SHEIKHI, Z AMIRGHOFRAN,

Alpha-fetoprotein (AFP), a serum glycoprotein belonging to the onco-developmental proteins group, serves as a marker both in cancer research and in studies concerning fetal development and fetal pathophysiology. Monoclonal anti-AFP antibodies are essential reagents in developing appropriate techniques for measurement of this protein. In this study, in order to produce anti-AFP monoclonal a...

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