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https://www.readbyqxmd.com/read/28335565/an-eco-safety-assessment-of-glyoxal-containing-cellulose-ether-on-freeze-dried-microbial-strain-cyanobacteria-daphnia-and-zebrafish
#1
Chang-Beom Park, Min Ju Song, Nak Woon Choi, Sunghoon Kim, Hyun Pyo Jeon, Sanghun Kim, Youngjun Kim
The objective of this study was to investigate the aquatic-toxic effects of glyoxal-containing cellulose ether with four different glyoxal concentrations (0%, 1.4%, 2.3%, and 6.3%) in response to global chemical regulations, e.g., European Union Classification, Labeling and Packaging (EU CLP). Toxicity tests of glyoxal-containing cellulose ether on 11 different microbial strains, Microcystis aeruginosa, Daphnia magna, and zebrafish embryos were designed as an initial stage of toxicity screening and performed in accordance with standardized toxicity test guidelines...
March 21, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28320304/cytokine-profile-associated-with-selective-removal-of-natural-anti-%C3%AE-gal-antibodies-in-a-sepsis-model-in-gal-ko-mice
#2
Magdiel Pérez-Cruz, Daniel Bello-Gil, Cristina Costa, Rafael Mañez
Selective depletion of natural anti-Galα1-3Galβ1-4GlcNAc (so-called anti-αGal) antibodies is achieved in α1,3-galactosyltransferase knockout (Gal-KO) mice by administration of the soluble glycoconjugate of αGal GAS914. This molecule removed up to 90% of natural circulating anti-αGal antibodies without causing unspecific production of cytokines in wild-type (CBA) and Gal-KO mice. However, the removal of anti-αGal antibodies in Gal-KO mice with GAS914 in the context of sepsis after cecal ligation and puncture (CLP) was associated with a significant increase in the production of leptin, CXLC1, CXLC13, and TIMP-1 cytokines compared to vehicle (PBS)-treated controls...
February 2017: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/28316913/a-review-of-seasonality-of-cleft-births-the-brazil-experience
#3
Sibele Nascimento de Aquino, Renato Assis Machado, Lívia Máris R Paranaíba, Daniella Reis B Martelli, Daniela Araújo Veloso Popoff, Mário Sérgio O Swerts, Hercílio Martelli-Júnior
AIMS: Evaluate the seasonal influence in nonsyndromic cleft lip and/or palate (NSCL/P) in Brazilian patients. METHODS: A case-control study, with 361 unrelated patients with NSCL/P and 481 healthy individuals, was done on a reference service for craniofacial deformities in Minas Gerais State, Brazil. Information was collected from clinical records considering gender, month of birth, as well as with the seasons. RESULTS: Nonparametric tests did not show a seasonal variation in month of birth and in seasons of year of NSCL/P compared to a control group (p = 0...
January 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/28315572/protective-effects-of-cucurbitacin-b-on-acute-lung-injury-induced-by-sepsis-in-rats
#4
Shu Hua, Xing Liu, Shuguang Lv, Zhifang Wang
BACKGROUND The aim of this study was to investigate the protective effects of cucurbitacin B (CuB) on sepsis-induced acute lung injury (ALI) in rats. MATERIAL AND METHODS An ALI model was made by cecal ligation and puncture (CLP) in SD rats. Rats were randomly divided into 5 groups (n=15 per group): animals undergoing a sham CLP (sham group); animals undergoing CLP (CLP control group); animals undergoing CLP and treated with CuB at 1 mg/kg of body weight (bw) (low-dose CuB [L-CuB] group), animals undergoing CuB at 2 mg/kg of bw (mid-dose CuB [M-CuB] group); and animals undergoing CuB at 5 mg/kg of bw (high-dose CuB [H-CuB] group)...
March 18, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28304248/sustained-release-buprenorphine-improves-postsurgical-clinical-condition-but-does-not-alter-survival-or-cytokine-levels-in-a-murine-model-of-polymicrobial-sepsis
#5
Nicole L Herndon, Sheila Bandyopadhyay, Eldad A Hod, Kevin A Prestia
Cecal ligation and perforation (CLP) is a common technique for studying sepsis in mice. Because of the invasiveness of the procedure and its effects on clinical condition, many animal care and use committees require the use of analgesics with CLP. However, some analgesics have immunomodulatory effects and thus can hinder the overall research outcomes of a project. Here we sought to determine the effects of buprenorphine hydrochloride (Bup HCl) compared with sustained-release buprenorphine (Bup SR) on clinical condition, plasma concentrations of monocyte chemoattractant protein (MCP) 1 and IL6, and overall mortality in a murine CLP model of sepsis...
December 1, 2016: Comparative Medicine
https://www.readbyqxmd.com/read/28301666/adaptation-of-the-keratinosens%C3%A2-skin-sensitisation-test-to-animal-product-free-cell-culture
#6
Nathalie Belot, Bushra Sim, Christopher Longmore Longmore, Lottie Roscoe, Carol Treasure
Skin sensitisation is the process by which a substance leads to an allergic reaction following skin contact. The process has been described as an adverse outcome pathway (AOP), including several key events, from skin penetration and covalent protein binding, to keratinocyte activation, dendritic cell activation and T-lymphocyte proliferation. The in vitro assay KeratinoSens™ measures the activation of keratinocytes. It is fully accepted at a regulatory level (OECD TG 442d) and appropriate for compliance with a range of legislation including the EU Cosmetics Regulation, REACH, and the CLP Regulation...
March 16, 2017: ALTEX
https://www.readbyqxmd.com/read/28299257/cleft-lip-and-palate-parental-experiences-of-stigma-discrimination-and-social-structural-inequalities
#7
Wasiu Lanre Adeyemo, Olutayo James, Azeez Butali
BACKGROUND: Cleft lip and palate (CLP) are the most common craniofacial birth impairment and one of the most common congenital impairments in humans. Anecdotal evidence suggests that stigmatization, discrimination, and sociocultural inequalities are common "phenomenon" experienced by families of children with CLP in Nigeria. This study aimed to explore the stigmatization, discrimination, and sociocultural inequalities experiences of families with children born with CLP. MATERIALS AND METHODS: The study was carried out at the surgical outpatient cleft clinic of the Lagos University Teaching Hospital, Lagos, Nigeria...
July 2016: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28292342/a-comparison-of-mixed-dentition-dental-development-in-cleft-patients-treated-with-and-without-the-latham-type-appliance
#8
Jin Lin, Veerasathpurush Allareddy, Elizabeth Ross, Stephen Shusterman
PURPOSE: The purpose of this study was to retrospectively evaluate the Latham-type appliance's effect on the development and eruption of posterior teeth during the mixed dentition stage before palatal expansion and secondary alveolar bone graft(s). METHODS: The charts of complete cleft lip and palate (CLP) patients treated with and without the Latham-type appliance were screened using the following inclusion criteria: nonsyndromic; CLP; and available panoramic radiographs and clinical photographs in the mixed dentition prior to palatal expansion and secondary alveolar bone grafts...
January 15, 2017: Pediatric Dentistry
https://www.readbyqxmd.com/read/28287170/crystal-structures-reveal-n-terminal-domain-of-arabidopsis-thaliana-clpd-to-be-highly-divergent-from-that-of-clpc1
#9
Chinmayee Mohapatra, Manas Kumar Jagdev, Dileep Vasudevan
The caseinolytic protease machinery associated chaperone protein ClpC is known to be present in bacteria, plants and other eukaryotes, whereas ClpD is unique to plants. Plant ClpC and ClpD proteins get localized into chloroplast stroma. Herein, we report high resolution crystal structures of the N-terminal domain of Arabidopsis thaliana ClpC1 and ClpD. Surprisingly, AtClpD, but not AtClpC1, deviates from the typical N-terminal repeat domain organization of known Clp chaperones and have only seven α-helices, instead of eight...
March 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28284339/inhibition-of-indoleamine-2-3-dioxygenase-1-2-prevented-cognitive-impairment-and-energetic-metabolism-changes-in-the-hippocampus-of-adult-rats-subjected-to-polymicrobial-sepsis
#10
Clarissa M Comim, Viviane Freiberger, Letícia Ventura, Francielle Mina, Gabriela K Ferreira, Monique Michels, Jaqueline S Generoso, Emílio L Streck, João Quevedo, Tatiana Barichello, Felipe Dal-Pizzol
Sepsis is a life-threatening organ dysfunction caused by a dysregulated host response to infection that may affect the brain. We investigated the role of indoleamine 2,3-dioxygenase (IDO-1/2) inhibition on long-term memory and energetic metabolism after experimental sepsis by caecal ligation and perforation (CLP). Experimental sepsis increased the activity of complexes I, II-III and IV at 24h after CLP, and IDO-1/2 inhibition normalized the activity of these complexes in the hippocampus. Wistar rats presented impairment of habituation and aversive memories 10days after CLP...
April 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28281401/a-novel-in-vitro-allometric-scaling-methodology-for-aldehyde-oxidase-substrates-to-enable-selection-of-appropriate-species-for-traditional-allometry
#11
Rachel D Crouch, J Matthew Hutzler, J Scott Daniels
1. Failure to predict human pharmacokinetics of aldehyde oxidase (AO) substrates using traditional allometry has been attributed to species differences in AO metabolism. 2. To identify appropriate species for predicting human in vivo clearance by single-species scaling (SSS) or multispecies allometry (MA), we scaled in vitro intrinsic clearance (CLint) of five AO substrates obtained from hepatic S9 of mouse, rat, guinea pig, monkey and minipig to human in vitro CLint. 3. When predicting human in vitro CLint, average absolute fold-error was ≤2...
March 10, 2017: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/28279656/hepatic-induction-of-fatty-acid-binding-protein-4-plays-a-pathogenic-role-in-sepsis-in-mice
#12
Bingfang Hu, Yujin Li, Li Gao, Yan Guo, Yiwen Zhang, Xiaojuan Chai, Meishu Xu, Jiong Yan, Peipei Lu, Songrong Ren, Su Zeng, Yulan Liu, Wen Xie, Min Huang
Sepsis is defined as the host's deleterious systemic inflammatory response to microbial infections. Herein, we report an essential role of the fatty acid binding protein 4 (FABP4; alias adipocyte protein 2 or aP2), a lipid-binding chaperone, in sepsis response. Bioinformatic analysis of the Gene Expression Omnibus data sets showed the level of FABP4 was higher in the nonsurvival sepsis patients' whole blood compared to the survival cohorts. The expression of Fabp4 was induced in a liver-specific manner in cecal ligation and puncture (CLP) and lipopolysaccharide treatment models of sepsis...
March 6, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28277974/both-hsp70-chaperone-and-clp-protease-plastidial-systems-are-required-for-protection-against-oxidative-stress
#13
Pablo Pulido, Ernesto Llamas, Manuel Rodriguez-Concepcion
Environmental stress conditions such as high light, extreme temperatures, salinity or drought trigger oxidative stress and eventually protein misfolding in plants. In chloroplasts, chaperone systems refold proteins after stress, while proteases degrade misfolded and aggregated proteins that cannot be refolded. We observed that reduced activity of chloroplast Hsp70 chaperone or Clp protease systems both prevented growth of Arabidopsis thaliana seedlings after treatment with the oxidative agent methyl viologen...
February 14, 2017: Plant Signaling & Behavior
https://www.readbyqxmd.com/read/28273909/protectin-dx-increases-survival-in-a-mouse-model-of-sepsis-by-ameliorating-inflammation-and-modulating-macrophage-phenotype
#14
Haifa Xia, Lin Chen, Hong Liu, Zhipeng Sun, Wen Yang, Yiyi Yang, Shunan Cui, Shengnan Li, Yaxin Wang, Limin Song, Amro Fayez Abdelgawad, You Shang, Shanglong Yao
Recently, a serial of studies have demonstrated that lipid mediators derived from Omega-3 fatty acid docosahexaenoic acid have pro-resolving or anti-inflammatory effects in many inflammatory diseases. Here, we sought to evaluate whether Protectin DX (PDX, an isomer of Protecin D1), a newly identified lipid mediator, could protect mice against sepsis and explore the underling mechanism. Animal model of sepsis was established by cecum ligation and puncture (CLP). We found that PDX increased overall survival rate within eight days and attenuated multiple organ injury in septic mice...
December 2017: Scientific Reports
https://www.readbyqxmd.com/read/28272165/reduced-insulin-resistance-contributes-to-the-beneficial-effect-of-protein-tyrosine-phosphatase-1b-deletion-in-a-mouse-model-of-sepsis
#15
Eugénie Delile, Rémi Nevière, Pierre-Alain Thiébaut, Julie Maupoint, Paul Mulder, David Coquerel, Sylvanie Renet, Jennifer Rieusset, Vincent Richard, Fabienne Tamion
Hyperglycemia is a common feature of septic patients and has been associated with poor outcome and high mortality. In contrast, insulin has been shown to decrease mortality and to prevent the incidence of multi-organ failure but is often associated with deleterious hypoglycemia. Protein Tyrosine Phosphatase 1B (PTP1B) is a negative regulator of both insulin signaling and NO production, and has been shown to be an aggravating factor in septic shock. To evaluate the potential therapeutic effect of PTP1B blockade on glucose metabolism and insulin resistance in an experimental model of sepsis, we assessed the effect of PTP1B gene deletion in a cecal ligation and puncture (CLP) model of sepsis...
March 7, 2017: Shock
https://www.readbyqxmd.com/read/28246552/decreased-tissue-cox5b-expression-and-mitochondrial-dysfunction-during-sepsis-induced-kidney-injury-in-rats
#16
Jochen Hinkelbein, Lennert Böhm, Stefan Braunecker, Christoph Adler, Edoardo De Robertis, Fabrizio Cirillo
Background. Sepsis is defined as a life-threatening organ dysfunction due to a dysregulated host response to infection. Sepsis is the dominant cause of acute kidney injury (AKI), accounting for nearly 50% of episodes of acute renal failure. Signaling cascades and pathways within the kidney are largely unknown and analysis of these molecular mechanisms may enhance knowledge on pathophysiology and possible therapeutic options. Material and Methods. 26 male Wistar rats were assigned to either a sham group (control, N = 6) or sepsis group (N = 20; cecal ligature and puncture model, 24 and 48 hours after CLP)...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28245134/nlrp3-inflammasome-deficiency-protects-against-microbial-sepsis-via-increased-lipoxin-b4-synthesis
#17
Seonmin Lee, Kiichi Nakahira, Jesmond Dalli, Ilias I Siempos, Paul C Norris, Romain A Colas, Jong-Seok Moon, Masakazu Shinohara, Shu Hisata, Judie Ann Howrylak, Gee-Young Suh, Stefan W Ryter, Charles N Serhan, Augustine M K Choi
RATIONALE: Sepsis, a life-threatening organ dysfunction caused by a dysregulated host response to infection, is a major public health concern with high mortality and morbidity. Although inflammatory responses triggered by infection are crucial for host defense against invading microbes, the excessive inflammation often causes tissue damage leading to organ dysfunction. Resolution of inflammation, an active immune process mediated by endogenous lipid mediators (LMs), is important to maintain host homeostasis...
February 28, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28244571/efficacy-and-therapeutic-potential-of-curcumin-against-sepsis-induced-chronic-lung-injury-in-male-albino-rats
#18
Y-F Liu, C-W Yang, H Liu, S-G Sui, X-D Li
The present study investigates curcumin effect against sepsis-induced chronic lung injury (CLI) of male albino rats. Rats were grouped into four groups such rats undergoing a sham cecal ligature puncture (CLP), rats undergoing CLP, rats undergoing CLP and treated with saline and rats undergoing CLP and treated with curcumin (100 mg/kg bwt). After 45 days of treatment, bronchoalveolar fluid (BALF), blood and lung tissues were collected from the each animal. The total protein content, wet and dry (W/D) weight of lung tissues and some inflammatory cells in the BALF were measured...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/28238558/a-novel-computer-system-for-the-evaluation-of-nasolabial-morphology-symmetry-and-aesthetics-after-cleft-lip-and-palate-treatment-part-1-general-concept-and-validation
#19
Piotr Pietruski, Marcin Majak, Tomasz Debski, Boguslaw Antoszewski
PURPOSE: The need for a widely accepted method suitable for a multicentre quantitative evaluation of facial aesthetics after surgical treatment of cleft lip and palate (CLP) has been emphasized for years. The aim of this study was to validate a novel computer system 'Analyse It Doc' (A.I.D.) as a tool for objective anthropometric analysis of the nasolabial region. MATERIALS AND METHODS: An indirect anthropometric analysis of facial photographs was conducted with the A...
February 1, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28237254/early-secondary-bone-grafting-in-children-with-alveolar-cleft-does-not-modify-the-risk-of-maxillary-permanent-canine-impaction-at-the-age-of-10-years
#20
Flavie Kleinpoort, Hugo Ferchichi, Anissa Belkhou, Paul Tramini, Michèle Bigorre, Guillaume Captier
OBJECTIVE: The risk of maxillary permanent canine retention is elevated in children with cleft lip and palate (CLP). This study compared this risk in 10 ± 1 year-old patients with unilateral CLP (UCLP) who underwent or not early maxillary bone grafting at the age of 6 ± 1 years. METHODS: Retrospective, controlled monocentric and observational study with the following inclusion criteria: patients with UCLP, isolated cleft, pre-surgery orthodontic maxillary expansion, same surgical protocol, same surgical team...
January 31, 2017: Journal of Cranio-maxillo-facial Surgery
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