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https://www.readbyqxmd.com/read/28642866/evaluation-of-serum-for-pathophysiological-effects-of-prolonged-low-salinity-water-exposure-in-displaced-bottlenose-dolphins-tursiops-truncatus
#1
Ruth Y Ewing, Blair Mase-Guthrie, Wayne McFee, Forrest Townsend, Charles A Manire, Michael Walsh, Rose Borkowski, Gregory D Bossart, Adam M Schaefer
We conducted a retrospective study of serum biochemistry and hematologic findings from displaced, out-of-habitat bottlenose dolphins (Tursiops truncatus) exposed to various low salinity environments in waters along the southern United States including southeastern Atlantic and northern Gulf of Mexico. Serum sodium, chloride, and calculated osmolality were significantly lower and below reference ranges in displaced animals compared to free-ranging case control animals. This suggests clinical hyponatremia, hypochloremia, and hypo-osmolality due to an uptake of low saline water from the environment...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28633869/baccaurea-angulata-fruit-juice-ameliorates-altered-hematological-and-biochemical-biomarkers-in-diet-induced-hypercholesterolemic-rabbits
#2
Idris Adewale Ahmed, Maryam Abimbola Mikail, Muhammad Ibrahim
Hypercholesterolemia is an important risk factor linked to the alteration of blood hematology and clinical chemistry associated with the development and progression of atherosclerosis. Previous studies have demonstrated the safety and potential health benefits of Baccaurea angulata (BA) fruit. We hypothesized that the oral administration of BA fruit juice could ameliorate the alteration in the hematological and biochemical biomarkers of diet-induced hypercholesterolemic rabbits. The aim of this study was to investigate the effects of different doses of BA juice on the hematological and biochemical biomarkers in normo- and hypercholesterolemic rabbits...
June 2017: Nutrition Research
https://www.readbyqxmd.com/read/28627385/advances-in-antibody-drug-conjugates-a-new-era-of-targeted-cancer-therapy
#3
REVIEW
Samaresh Sau, Hashem O Alsaab, Sushil Kumar Kashaw, Katyayani Tatiparti, Arun K Iyer
Antibody-drug conjugates (ADCs), a potent class of anticancer therapeutics, comprise a high-affinity antibody (Ab) and cytotoxic payload coupled via a suitable linker for selective tumor cell killing. In the initial phase of their development, two ADCs, Mylotarg(®), and Adcetris(®) were approved by the US Food and Drug Administration (FDA) for treating hematological cancer, but the real breakthrough came with the discovery of the breast cancer-targeting ADC, Kadcyla(®). With advances in bioengineering, linker chemistry, and potent cytotoxic payload, ADC technology has become a more powerful tool for targeted cancer therapy...
June 13, 2017: Drug Discovery Today
https://www.readbyqxmd.com/read/28618975/a-black-cohosh-extract-causes-hematologic-and-biochemical-changes-consistent-with-a-functional-cobalamin-deficiency-in-female-b6c3f1-n-mice
#4
Michelle C Cora, William Gwinn, Ralph Wilson, Debra King, Suramya Waidyanatha, Grace E Kissling, Sukhdev S Brar, Dorian Olivera, Chad Blystone, Greg Travlos
Black cohosh rhizome, available as a dietary supplement, is most commonly marketed as a remedy for dysmenorrhea and menopausal symptoms. A previous subchronic toxicity study of black cohosh dried ethanolic extract (BCE) in female mice revealed a dose-dependent ineffective erythropoiesis with a macrocytosis consistent with the condition known as megaloblastic anemia. The purpose of this study was to investigate potential mechanisms by which BCE induces these particular hematological changes. B6C3F1/N female mice (32/group) were exposed by gavage to vehicle or 1,000 mg/kg BCE for 92 days...
January 1, 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/28608739/safety-of-repeated-dose-intratympanic-injections-with-am-101-in-acute-inner-ear-tinnitus
#5
Hinrich Staecker, Michael Morelock, Timothy Kramer, Pavel Chrbolka, Joong Ho Ahn, Thomas Meyer
Objective To evaluate the safety and tolerability of repeated intratympanic administration of the gel-formulated NMDA receptor antagonist AM-101 in acute patients with inner ear tinnitus. Study Design Prospective, double-blind, randomized, placebo-controlled study. Setting Sixty-nine secondary and tertiary sites in North America, Europe, and Asia. Subjects and Methods In total, 343 subjects with persistent acute tinnitus after traumatic cochlear injury or otitis media were randomized to receive 3 intratympanic doses of either AM-101 0...
June 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28605433/sociodemographic-correlates-of-clinical-laboratory-test-expenditures-in-a-major-canadian-city
#6
Jocelyn Barber, Maggie Guo, Leonard T Nguyen, Roger Thomas, Tanvir Chowdhury Turin, Marcus Vaska, Christopher Naugler
Objectives: The increasing cost of clinical laboratory testing is a challenge in our health care system. This study aims to calculate the annual clinical laboratory test costs attributed to patients in a major Canadian city and to correlate them to their sociodemographic variables. Methods: Retrospective cohort study involving patients who received clinical chemistry, hematology, and microbiology tests in 2011 in Calgary, Canada (n = 610,409). Test volumes were obtained from a laboratory informatics database...
June 12, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28602764/first-serological-evidence-of-hantavirus-among-febrile-patients-in-mozambique
#7
Ramalho Chau, Nilesh Bhatt, Ivan Manhiça, Sandra Cândido, Nilsa de Deus, Onélia Guiliche, Almiro Tivane, Lara Virgínia Evaristo, Alexandro Guterres, Vanessa Monteiro, Jorlan Fernandes de Jesus, Renata Carvalho Oliveira, Elba Regina de Lemos, Eduardo Samo Gudo
OBJECTIVE: The occurrence of hantavirus in Sub-Saharan Africa is poorly studied and its clinical implications are unknown. This study aimed to determine the occurrence of hantavirus infection among febrile patients attending an outpatient clinic at a primary health care center located in a suburban area of the city of Maputo in Mozambique. METHODS: Paired acute and convalescent samples from a total of 200 febrile patients aged >5years who were recruited between February 2012 and October 2014 were screened for IgM and IgG antibodies against hantavirus using an ELISA...
June 7, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28583666/safety-evaluation-of-water-soluble-palm-fruit-bioactives
#8
Barry S Lynch, Spencer West, Ashley Roberts
Water-soluble palm fruit bioactives, derived from the aqueous stream of palm oil processing, have shown anti-diabetogenic effects in rodent models. To assess the safety of potential incorporation of this polyphenol-containing material in food, in vitro bacterial reverse mutation and in vitro chromosome aberration assays were conducted along with a 90-day subchronic toxicity study in Sprague-Dawley rats. Water-soluble palm fruit bioactives were inactive in the Ames and in vitro chromosome aberration assays up to the limit doses of 5000 μg/plate and 5000 μg/mL, respectively...
June 2, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28546518/safety-immunogenicity-and-cross-species-protection-of-a-plasmid-dna-encoding-plasmodium-falciparum-sera5-polypeptide-microbial-epitopes-and-chemokine-genes-in-mice-and-olive-baboons
#9
Nyamongo Onkoba, Ruth M Mumo, Horace Ochanda, Charles Omwandho, Hastings S Ozwara, Thomas G Egwang
Incorporation of biomolecular epitopes to malarial antigens should be explored in the development of strain-transcending malarial vaccines. The present study sought to determine safety, immunogenicity and cross-species efficacy ofPlasmodium falciparum serine repeat antigen 5 polypeptide co-expressed with epitopes of Bacille-Calmette Guerin (BCG), tetanus toxoid (TT) and a chemokine gene. Olive baboons and BALB/c mice were randomly assigned into vaccine and control groups. The vaccine group animals were primed and boosted twice with pIRES plasmids encoding the SERA5+ BCG+ TT alone, or with either CCL5 or CCL20 and the control group with pIRES plasmid vector backbone...
April 6, 2017: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28539089/simulating-real-life-exposures-to-uncover-possible-risks-to-human-health-a-proposed-consensus-for-a-novel-methodological-approach
#10
A M Tsatsakis, D Kouretas, M N Tzatzarakis, P Stivaktakis, K Tsarouhas, K S Golokhvast, V N Rakitskii, V A Tutelyan, A F Hernandez, R Rezaee, G Chung, C Fenga, A B Engin, M Neagu, A L Arsene, A O Docea, E Gofita, D Calina, I Taitzoglou, J Liesivuori, A W Hayes, S Gutnikov, C Tsitsimpikou
In real life, consumers are exposed to complex mixtures of chemicals via food, water and commercial products consumption. Since risk assessment usually focuses on individual compounds, the current regulatory approach doesn't assess the overall risk of chemicals present in a mixture. This study will evaluate the cumulative toxicity of mixtures of different classes of pesticides and mixtures of different classes of pesticides together with food additives (FAs) and common consumer product chemicals using realistic doses after long-term exposure...
June 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28522334/safety-evaluation-of-chlorella-sorokiniana-strain-ck-22-based-on-an-in%C3%A2-vitro-cytotoxicity-assay-and-a-13-week-subchronic-toxicity-trial-in-rats
#11
Sayaka Himuro, Sugi Ueno, Naoto Noguchi, Takuya Uchikawa, Toshihiro Kanno, Akira Yasutake
The genus Chlorella contains unicellular green algae that have been used as food supplements. The purpose of this work was to evaluate the safety of the Chlorella sorokiniana strain CK-22 using powdered preparation (CK-22P) both by in vitro and in vivo assays. These included an experiment for cytotoxicity using Chinese hamster lung fibroblasts (V79 cells) and a 13-week repeated-dose oral toxicity trial using Wistar rats. The cytotoxicity was evaluated by MTT assay of a hot water extract (Hw-Ex) and 80% ethanol extract (Et-Ex) of CK-22P, and no effect on cell viability was observed...
May 15, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28520935/safety-evaluation-of-daidzein-in-laying-hens-effects-on-laying-performance-hatchability-egg-quality-clinical-blood-parameters-and-organ-development
#12
J Lu, L Qu, M M Shen, S M Li, T C Dou, Y P Hu, K H Wang
Daidzein has become increasingly popular as a dietary supplement, particularly for postpeak-estrus animals, as a safe and natural alternative estrogen-like compound. However, there is little available safety data of daidzein in laying hens. A study was conducted to examine if high-dose daidzein affected the safety of hens, including mortality, laying performance, egg quality, hematological parameters, clinical chemical parameters, organ development parameters, and hatchability. A total of 2,448 42-wk-old Rugao laying hens were randomly assigned to 4 groups with 6 replicates of 102 birds each (612 laying hens per group)...
May 17, 2017: Poultry Science
https://www.readbyqxmd.com/read/28517372/multicenter-verification-of-the-sysmex-xn-series
#13
M Schoorl, M Schoorl, M Chevallier, T van der Ploeg, J van Pelt
INTRODUCTION: Verification of hemocytometry equipment deviates significantly from that of clinical chemistry equipment due to the absence of appropriate control material and the need for fresh material. In practice, verification is limited to comparison with the previously used equipment and determination of reproducibilities. Particularly in multicenter settings, harmonization of results is necessary. If the same equipment is used in several laboratory departments, calibration and uniformity are important issues...
May 18, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28503266/inhalation-toxicity-of-bisphenol-a-and-its-effect-on-estrous-cycle-spatial-learning-and-memory-in-rats-upon-whole-body-exposure
#14
Yong Hyun Chung, Jeong Hee Han, Sung-Bae Lee, Yong-Hoon Lee
Bisphenol A (BPA) is a monomer used in a polymerization reaction in the production of polycarbonate plastics. It has been used in many consumer products, including plastics, polyvinyl chloride, food packaging, dental sealants, and thermal receipts. However, there is little information available on the inhalation toxicity of BPA. Therefore, the aim of this study was to determine its inhalation toxicity and effects on the estrous cycle, spatial learning, and memory. Sprague-Dawley rats were exposed to 0, 10, 30, and 90 mg/m(3) BPA, 6 hr/day, 5 days/week for 8 weeks via whole-body inhalation...
April 2017: Toxicological Research
https://www.readbyqxmd.com/read/28502496/minimal-food-effect-for-eicosapentaenoic-acid-and-docosahexaenoic-acid-bioavailability-from-omega-3-acid-ethyl-esters-with-an-advanced-lipid-technologies-tm-alt-%C3%A2-based-formulation
#15
Miguel A Lopez-Toledano, Thorsteinn Thorsteinsson, Ahmed A Daak, Kevin C Maki, Colleen Johns, Adrian L Rabinowicz, Frederick D Sancilio
BACKGROUND: The absorption of eicosapentaenoic acid (EPA; 20:5n-3) and docosahexaenoic acid (DHA; 22:6n-3) omega-3-acid ethyl esters (EEs) is influenced by food. There is a need for a formulation of EE that is less impacted by food effect. SC401 is a novel Advanced Lipid Technologies-based formulation of EPA-EE and DHA-EE. In the presence of an aqueous medium, Advanced Lipid Technologies forms stable micelles in situ independent of bile salt secretion. This effect is hypothesized to improve EPA-EE and DHA-EE bioavailability while it helps mitigate the food effect associated with their consumption...
March 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28492060/subcutaneous-implants-of-a-cholesterol-triglyceride-buprenorphine-suspension-in-rats
#16
M Guarnieri, C Brayton, R Sarabia-Estrada, B Tyler, P McKnight, L DeTolla
A Target Animal Safety protocol was used to examine adverse events in male and female Fischer F344/NTac rats treated with increasing doses of a subcutaneous implant of a lipid suspension of buprenorphine. A single injection of 0.65 mg/kg afforded clinically significant blood levels of drug for 3 days. Chemistry, hematology, coagulation, and urinalysis values with 2- to 10-fold excess doses of the drug-lipid suspension were within normal limits. Histopathology findings were unremarkable. The skin and underlying tissue surrounding the drug injection were unremarkable...
2017: Journal of veterinary medicine
https://www.readbyqxmd.com/read/28490046/rapid-homogeneous-immunoassay-to-quantify-gemcitabine-in-plasma-for-therapeutic-drug-monitoring
#17
Daniel Kozo, Matt W Ross, Justin Jarrah, Michael Barrett, Rebecca L Harney, Jodi B Courtney, Irina Baburina, Julianne L Holleran, Jan H Beumer, Godefridus J Peters, Richard J Honeywell, Salvatore J Salamone
BACKGROUND: Gemcitabine (2',2'-difluoro-2'-deoxycytidine) is a nucleoside analog used as a single agent and in combination regimens for the treatment of a variety of solid tumors. Several studies have shown a relationship between gemcitabine peak plasma concentration (Cmax) and hematological toxicity. An immunoassay for gemcitabine in plasma was developed and validated to facilitate therapeutic drug monitoring (TDM) by providing an economical, robust method for automated chemistry analyzers...
June 2017: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/28488446/plasma-protein-hematologic-and-blood-chemistry-changes-in-african-grey-parrots-psittacus-erithacus-experimentally-infected-with-bornavirus
#18
Charlotte Högemann, Rüdiger Richter, Rüdiger Korbel, Monika Rinder
Bornaviruses are considered to be the causative agent of proventricular dilatation disease (PDD) in psittacine birds. In order to detect hematological and blood chemistry changes during the development of PDD and a possible correlation with clinical symptoms and the virological status, six African grey parrots (Psittacus erithacus) were experimentally infected with parrot bornavirus genotype 4 (PaBV-4) by subcutaneous route. All six parrots developed clinical signs of varying extent and successful infection was confirmed in all the birds by seroconversion or detection of RNA of the PaBV-4 infection strain...
May 10, 2017: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/28487066/genotoxicity-acute-and-subchronic-toxicity-evaluation-of-savory-food-ingredients
#19
Shahrzad Tafazoli, Trung D Vo, Anne Petersen, Anne Constable, Myriam Coulet, Phoukham Phothirath, Johanna Lang, Nigel Baldwin
The potential toxicity of two savory food ingredients produced by fermentation of enzymatically hydrolyzed corn starch (Savory Base 100 and Savory Base 200) was evaluated individually in a bacterial reverse mutation assay, an in vitro mammalian cell gene mutation assay, an acute oral study and as a mixture in a 90-day dietary study. In the bacterial reverse mutation and in vitro mammalian cell gene mutation assays, neither ingredient was mutagenic at concentrations up to 5000 μg/plate and 5000 μg/mL, respectively in the presence and absence of metabolic activation...
May 6, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28458688/long-term-safety-of-pegylated-coagulation-factor-viii-in-the-immune-deficient-rowett-nude-rat
#20
Caroline E Rasmussen, Jette Nowak, Julie M Larsen, Emma Moore, David Bell, Kai Chiu Liu, Nanna Skall Sorensen, Wendela A Kappers, Thomas Krogh-Meibom, Hanne Offenberg
Turoctocog alfa pegol (N8-GP) is a glycoPEGylated human recombinant factor VIII for the treatment of hemophilia A. The safety profile of rFVIII, and polyethylene glycols (PEG) technology, is well-established. Conducting long-term toxicity studies in animals using human proteins can be complicated by anti-drug antibody (ADA) development. To evaluate long-term safety of N8-GP, 26- and 52-week toxicity studies were conducted in immune-deficient rats dosed intravenously every fourth day with 0, 50, 150, 500, or 1200 IU/kg N8-GP...
2017: Journal of Toxicology
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