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https://www.readbyqxmd.com/read/28527417/fate-of-the-sunscreen-compound-oxybenzone-in-cyperus-alternifolius-based-hydroponic-culture-uptake-biotransformation-and-phytotoxicity
#1
Feiran Chen, Christian Huber, Peter Schröder
Oxybenzone (OBZ), a common ingredient in sunscreens and personal care products, has been frequently detected in effluents from municipal wastewater treatment plants and also in surface waters. OBZ is an emerging contaminant due to its adverse impacts on marine/aquatic ecosystems. To investigate the removal and degradation capacity of phytotreatment for OBZ, the common wetland plant species Cyperus alternifolius L. was exposed to this compound at 5, 25 and 50 μM for 120 h, respectively. Continuous uptake by roots and accumulation in plant tissues was observed over the exposure time, and depletion of spiked OBZ from the aqueous medium exceeded 73...
May 12, 2017: Chemosphere
https://www.readbyqxmd.com/read/28527235/implementing-the-icf-in-occupational-health-building-a-curriculum-as-an-exemplary-case
#2
C P M de Brouwer, L G P M van Amelsvoort, Y F Heerkens, G A M Widdershoven, I J Kant
BACKGROUND: This paper addresses the need for a paradigm shift from post-diagnosis tertiary care towards maintenance and promotion of health across the lifespan, for healthcare in general and in occupational healthcare specifically. It is based on the assumption that the realization of this paradigm shift may be facilitated by teaching (future) occupational health professionals to use the International Classification of Functioning, Disability and Health (ICF). OBJECTIVE: Describing the development of a an ICF based occupational health curriculum...
May 17, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28526985/salidroside-attenuates-lps-induced-acute-lung-injury-in-rats
#3
Liu Jingyan, Guo Yujuan, Yang Yiming, Zhu Lingpeng, Yan Tianhua, Miao Mingxing
The purpose of the present study was to investigate the effects of salidroside (Sal) on lung injury in lipopolysaccharide (LPS)-induced endotoxemic in vitro and in vivo. SD rats were randomly divided into five groups: control group, LPS group (15 mg kg(-1)), LPS plus dexamethasone (2 mg kg(-1)), and LPS plus Sal groups with different Sal doses (20 mg kg(-1), 40 mg kg(-1)). Wet-to-dry weight (W/D) ratio was performed. Hematoxylin-eosin (HE) staining of lung was performed. Lung level of myeloperoxidase (MPO) was measured...
May 19, 2017: Inflammation
https://www.readbyqxmd.com/read/28526607/the-merozoite-specific-protein-tggra11b-identified-as-a-component-of-the-toxoplasma-gondii-parasitophorous-vacuole-in-a-tachyzoite-expression-model
#4
Chandra Ramakrishnan, Robert A Walker, Ramon M Eichenberger, Adrian B Hehl, Nicholas C Smith
The apicomplexan, Toxoplasma gondii, infects all warm-blooded animals as intermediate hosts but only felids as definitive hosts. Dense granule proteins are critical for the survival of Toxoplasma within host cells but, whilst these proteins have been studied intensively in tachyzoites, little is known about their expression in the coccidian stages in the cat intestine. Transcriptomic profiling indicates that two putative dense granule proteins, TgGRA11A and TgGRA11B, are expressed uniquely in merozoites. Immunofluorescent microscopy of Toxoplasma-infected cat intestine and tachyzoites engineered to express TgGRA11B, reveals that it is a dense granule protein that traffics into the parasitophorous vacuole and its membrane...
May 16, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/28526098/first-description-of-bartonella-koehlerae-infection-in-a-spanish-dog-with-infective-endocarditis
#5
María-Dolores Tabar, Laura Altet, Ricardo G Maggi, Jaume Altimira, Xavier Roura
BACKGROUND: Bartonella koehlerae has been recently described as a new cat- and cat fleas-associated agent of culture-negative human endocarditis. It has been also encountered in one dog from Israel and six dogs from the USA, but other clinically relevant reports involving this bacterium are lacking. RESULTS: A 7-year-old intact male mixed dog presented with clinico-pathological signs consistent with mitral endocarditis and cutaneous hemangiosarcoma. Molecular studies revealed the presence of Bartonella koehlerae DNA in samples from blood and mitral valve tissue...
May 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28525341/morphological-analysis-of-testicles-in-cats-with-disorders-of-sex-development
#6
S Dzimira, W Nizanski, J A Madej
Disorders of sex development (DSD) are rare in cats. They can be caused by chromosomal aberrations, gene mutations or other undefined factors. The aim of the present study was to compare the histological structure and immunohistochemical reactivity of testes in cats with DSD and in healthy cats. The research material consisted of the gonads of four cats - phenotypic males with an incorrect structure of the reproductive system. The control group consisted of the testes of four healthy cats - routinely castrated phenotypical males...
March 28, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28525327/in-vitro-fertilizing-potential-of-urethral-and-epididymal-spermatozoa-collected-from-domestic-cats-felis-catus
#7
S Prochowska, W Niżański
The aim of this study was to provide a comparative analysis of in vitro fertilizing potential of frozen-thawed urethral and epididymal feline spermatozoa. Both types of semen were collected from 7 cats and cryopreserved in liquid nitrogen. To perform in vitro fertilization, both urethral and epididymal samples from the same individual were thawed and spermatozoa were co-incubated with in vitro matured cat oocytes. Obtained embryos were cultured in vitro for 7 days in a commercial medium. Cleavage rate, morula rate and blastocyst rate were calculated...
March 28, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28524802/effects-of-occupational-silica-exposure-on-oxidative-stress-and-immune-system-parameters-in-ceramic-workers-in-turkey
#8
Hatice Gul Anlar, Merve Bacanli, Servet İritaş, Ceylan Bal, Türker Kurt, Engin Tutkun, O Hinc Yilmaz, Nursen Basaran
Silica is the second most common element after oxygen, and therefore, exposures to crystalline silica dust occur in a large variety of occupations such as metal foundries, constructions, and ceramic, quarry, and pottery industries. Since crystalline silica exposure has been linked with silicosis, lung cancer, and other pulmonary diseases, adverse effect attributed to this element has be a cause for concern worldwide. Silica dust exposure in workers is still considered to be important health problem especially in developing countries...
May 19, 2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28524089/green-synthesized-zinc-oxide-zno-nanoparticles-induce-oxidative-stress-and-dna-damage-in-lathyrus-sativus-l-root-bioassay-system
#9
Kamal K Panda, Dambaru Golari, A Venugopal, V Mohan M Achary, Ganngam Phaomei, Narasimham L Parinandi, Hrushi K Sahu, Brahma B Panda
Zinc oxide nanoparticles (ZnONP-GS) were synthesised from the precursor zinc acetate (Zn(CH₃COO)₂) through the green route using the milky latex from milk weed (Calotropis gigantea L. R. Br) by alkaline precipitation. Formation of the ZnONP-GS was monitored by UV-visible spectroscopy followed by characterization and confirmation by energy-dispersive X-ray spectroscopy (EDX), transmission electron microscopy (TEM), and X-ray diffraction (XRD). Both the ZnONP-GS and the commercially available ZnONP-S (Sigma-Aldrich) and cationic Zn(2+) from Zn(CH₃COO)₂ were tested in a dose range of 0-100 mg·L(-1) for their potency (i) to induce oxidative stress as measured by the generation reactive oxygen species (ROS: O₂(•-), H₂O₂ and (•)OH), cell death, and lipid peroxidation; (ii) to modulate the activities of antioxidant enzymes: catalase (CAT), superoxide dismutase (SOD), guaiacol peroxidase (GPX), and ascorbate peroxidase (APX); and (iii) to cause DNA damage as determined by Comet assay in Lathyrus sativus L...
May 18, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28524081/protective-effects-of-tormentic-acid-a-major-component-of-suspension-cultures-of-eriobotrya-japonica-cells-on-acetaminophen-induced-hepatotoxicity-in-mice
#10
Wen-Ping Jiang, Shyh-Shyun Huang, Yoshikazu Matsuda, Hiroshi Saito, Naoto Uramaru, Hui-Ya Ho, Jin-Bin Wu, Guan-Jhong Huang
An acetaminophen (APAP) overdose can cause hepatotoxicity and lead to fatal liver damage. The hepatoprotective effects of tormentic acid (TA) on acetaminophen (APAP)-induced liver damage were investigated in mice. TA was intraperitoneally (i.p.) administered for six days prior to APAP administration. Pretreatment with TA prevented the elevation of serum aspartate aminotransferase (AST), alanine aminotransferase (ALT), total bilirubin (T-Bil), total cholesterol (TC), triacylglycerol (TG), and liver lipid peroxide levels in APAP-treated mice and markedly reduced APAP-induced histological alterations in liver tissues...
May 18, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28522797/protective-effects-of-hydrogen-rich-saline-against-lipopolysaccharide-induced-alveolar-epithelial-to-mesenchymal-transition-and-pulmonary-fibrosis
#11
Wen-Wen Dong, Yun-Qian Zhang, Xiao-Yan Zhu, Yan-Fei Mao, Xue-Jun Sun, Yu-Jian Liu, Lai Jiang
BACKGROUND Fibrotic change is one of the important reasons for the poor prognosis of patients with acute respiratory distress syndrome (ARDS). The present study investigated the effects of hydrogen-rich saline, a selective hydroxyl radical scavenger, on lipopolysaccharide (LPS)-induced pulmonary fibrosis. MATERIAL AND METHODS Male ICR mice were divided randomly into 5 groups: Control, LPS-treated plus vehicle treatment, and LPS-treated plus hydrogen-rich saline (2.5, 5, or 10 ml/kg) treatment. Twenty-eight days later, fibrosis was assessed by determination of collagen deposition, hydroxyproline, and type I collagen levels...
May 19, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28522771/how-to-determine-an-impaired-health-status-in-copd-results-from-a-population-based-study
#12
D E Smid, M A Spruit, D J H Deeg, M Huisman, J Poppelaars, E F M Wouters, F M E Franssen
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is associated with a significantly impaired health status and lost work productivity across all degrees of airflow limitation. The current study investigated whether an impaired health status is better represented by the recommended COPD Assessment Test (CAT) cut-point of 10 points, or the 95th percentile of the CAT score in a non-COPD population. Additionally, the impact of COPD on health status in a Dutch population, after stratification for work status, was measured...
May 2017: Netherlands Journal of Medicine
https://www.readbyqxmd.com/read/28522758/regulation-of-erythropoiesis-after-normoxic-return-from-chronic-sustained-and-intermittent-hypoxia
#13
Jihyun Song, Krishna Sundar, Radhika Gangaraju, Josef T Prchal
Hypoxia increases erythropoiesis mediated by hypoxia-inducible transcription factors (HIF) which regulate erythropoietin (EPO) transcription. Neocytolysis is a physiological mechanism that corrects polycythemia from chronic sustained hypoxemia (CSH) by transient, preferential destruction of young RBCs after normoxia is restored. We showed that neocytolysis is caused by excessive mitochondrial-derived reactive oxygen species (ROS) in reticulocytes mediated by down-regulation of HIF-controlled BNIP3L regulated mitophagy and a decrease in RBC antioxidant catalase (CAT) in hypoxia-produced erythrocytes...
May 18, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28521907/chronic-diseases-in-cats-from-the-medieval-site-of-qalh%C3%A3-t-oman
#14
Hervé Monchot, Claude Guintard
Paleopathological information observed in cats (Felis catus, L. 1758) is rarely described in zooarcheological assemblages. This article is intended to present different bone diseases (infections, degenerative and traumatic lesions) affecting several bones (i.e. femur, hip bone, skull, etc.) of at least two cats from the medieval harbor site of Qalhât (Oman) and to inform us about the health status of these felines.
June 2017: International Journal of Paleopathology
https://www.readbyqxmd.com/read/28521788/methanol-extract-of-dicranopteris-linearis-l-leaves-impedes-acetaminophen-induced-liver-intoxication-partly-by-enhancing-the-endogenous-antioxidant-system
#15
Zainul Amiruddin Zakaria, Farah Hidayah Kamisan, Maizatul Hasyima Omar, Nur Diyana Mahmood, Fezah Othman, Siti Selina Abdul Hamid, Muhammad Nazrul Hakim Abdullah
BACKGROUND: The present study investigated the potential of methanolic extract of Dicranopteris linearis (MEDL) leaves to attenuate liver intoxication induced by acetaminophen (APAP) in rats. METHODS: A group of mice (n = 5) treated orally with a single dose (5000 mg/kg) of MEDL was first subjected to the acute toxicity study using the OECD 420 model. In the hepatoprotective study, six groups of rats (n = 6) were used and each received as follows: Group 1 (normal control; pretreated with 10% DMSO (extract's vehicle) followed by treatment with 10% DMSO (hepatotoxin's vehicle) (10% DMSO +10% DMSO)), Group 2 (hepatotoxic control; 10% DMSO +3 g/kg APAP (hepatotoxin)), Group 3 (positive control; 200 mg/kg silymarin +3 g/kg APAP), Group 4 (50 mg/kg MEDL +3 g/kg APAP), Group 5 (250 mg/kg MEDL +3 g/kg APAP) or Group 6 (500 mg/kg MEDL +3 g/kg APAP)...
May 18, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28521302/hepatitis-b-virus-x-protein-induced-upregulation-of-cat-1-stimulates-proliferation-and-inhibits-apoptosis-in-hepatocellular-carcinoma-cells
#16
Rongjuan Dai, Feng Peng, Xinqiang Xiao, Xing Gong, Yongfang Jiang, Min Zhang, Yi Tian, Yun Xu, Jing Ma, Mingming Li, Yue Luo, Guozhong Gong
The HBx protein of hepatitis B virus (HBV) is widely recognized to be a critical oncoprotein contributing to the development of HBV-related hepatocellular carcinoma (HCC). In addition, cationic amino acid transporter 1 (CAT-1) gene is a target of miR-122. In this study, we found that CAT-1 protein levels were higher in HBV-related HCC carcinomatous tissues than in para-cancerous tumor tissues, and that CAT-1 promoted HCC cell growth, proliferation, and metastasis. Moreover, HBx-induced decreases in Gld2 and miR-122 levels that contributed to the upregulation of CAT-1 in HCC...
May 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28520802/aquatic-cycling-what-do-we-know-a-scoping-review-on-head-out-aquatic-cycling
#17
Stefanie Rewald, Ilse Mesters, Antoine F Lenssen, Jens Bansi, Johan Lambeck, Rob A de Bie, Benjamin Waller
Over the past few years, aquatic cycling has become a trending fitness activity. However, the literature has not been reviewed exhaustively. Therefore, using scoping review methodology, the aim of this review was to explore the current state of the literature concerning aquatic cycling. This study specifically focused on study designs, populations and outcomes. A comprehensive search of seven databases (PubMed, MEDLINE, Cinahl, Embase, PEDro,Web of Science, WorldCat) was conducted up to 30th September 2016...
2017: PloS One
https://www.readbyqxmd.com/read/28519899/hepatic-aa-amyloidosis-in-a-cat-cytologic-and-histologic-identification-of-aa-amyloid-in-macrophages
#18
Sakurako Neo-Suzuki, Takayuki Mineshige, Junichi Kamiie, Hideki Kayanuma, Yukako Mochizuki, Masaharu Hisasue, Ryo Tsuchiya, Kinji Shirota
A 3-year-old, spayed female, Domestic Shorthair cat presented with anorexia, lethargy, vomiting, probable hemoabdomen, and multiple masses on the right lateral liver lobe. Clinicopathologic and imaging abnormalities included anemia, azotemia, icterus, and hepatomegaly with hypoechoic masses. On cytologic evaluation of a fine-needle aspiration of a liver mass there was abundant extracellular pink- to purple-colored material between hepatocytes. The amorphous material was stained with direct fast scarlet (DFS), and green birefringent areas were observed under polarized light, confirming the presence of amyloid...
May 18, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28516835/modifying-self-blame-self-esteem-and-disclosure-through-a-cooperative-cross-age-teaching-intervention-for-bullying-among-adolescents
#19
Michael J Boulton, Louise Boulton
Bullying is common among school students, and some victims hold self-blaming attributions, exhibit low self-esteem, anddo not seek social support. A wait-list control pre-/post-test experimental design, with random allocation, was used to assess the effects of a novel cross-age teaching of social issues (CATS) intervention on the latter 3 variables among peer-identified victims of bullying (N = 41, mean age = 14.5 years). In small cooperative groups of classmates, participants designed and delivered a lesson to younger students that informed them that bullies not victims are in the wrong, victims have no reason to feel bad about themselves, and that seeking help can be beneficial...
May 17, 2017: Violence and Victims
https://www.readbyqxmd.com/read/28516494/recommendations-for-approaches-to-meticillin-resistant-staphylococcal-infections-of-small-animals-diagnosis-therapeutic-considerations-and-preventative-measures-clinical-consensus-guidelines-of-the-world-association-for-veterinary-dermatology
#20
REVIEW
Daniel O Morris, Anette Loeffler, Meghan F Davis, Luca Guardabassi, J Scott Weese
BACKGROUND: Multiple drug resistance (MDR) in staphylococci, including resistance to the semi-synthetic penicillinase-resistant penicillins such as meticillin, is a problem of global proportions that presents serious challenges to the successful treatment of staphylococcal infections of companion animals. OBJECTIVES: The objective of this document is to provide harmonized recommendations for the diagnosis, prevention and treatment of meticillin-resistant staphylococcal infections in dogs and cats...
June 2017: Veterinary Dermatology
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