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https://www.readbyqxmd.com/read/28636892/topical-bioavailability-of-diclofenac-from-locally-acting-dermatological-formulations
#1
S F Cordery, A Pensado, W S Chiu, M Z Shehab, A L Bunge, M B Delgado-Charro, R H Guy
Assessment of the bioavailability of topically applied drugs designed to act within or beneath the skin is a challenging objective. A number of different, but potentially complementary, techniques are under evaluation. The objective of this work was to evaluate in vitro skin penetration and stratum corneum tape-stripping in vivo as tools with which to measure topical diclofenac bioavailability from three approved and commercialized products (two gels and one solution). Drug uptake into, and its subsequent clearance from, the stratum corneum of human volunteers was used to estimate the input rate of diclofenac into the viable skin layers...
June 18, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28636207/specificity-of-and-influence-of-hemolysis-lipemia-and-icterus-on-serum-lipase-activity-as-measured-by-the-v-lip-p-slide
#2
Joerg M Steiner, Robynne Gomez, Jan S Suchodolski, Jonathan A Lidbury
BACKGROUND: Measurement of pancreatic lipase in serum is being used for the diagnosis of pancreatitis. OBJECTIVES: The aims of this study were to measure serum lipase activity by the v-LIP-P slide and serum canine pancreatic lipase immunoreactivity (cPLI) concentration by Spec cPL in dogs with exocrine pancreatic insufficiency (EPI) and in serum samples that were hemolyzed, lipemic, or icteric. METHODS: Serum samples from 50 dogs with EPI, 8 samples spiked with canine hemoglobin, Intralipid, or ditaurobilirubin, and 8 samples from dogs with severe hypertriglyceridemia were evaluated using v-LIP-P and Spec cPL assays...
June 21, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28634512/diffusion-weighted-imaging-for-the-detection-and-evaluation-of-cholesteatoma
#3
REVIEW
Benjamin Henninger, Christian Kremser
Cholesteatoma is a collection of keratinous debris and stratified squamous epithelium. It is trapped in the middle ear and can lead to bony erosion. The disease is treated surgically often followed by a second-look procedure to check for residual tissue or recurrence. Cholesteatoma has specific signal-intensity characteristics on magnetic resonance imaging with very high signal intensity on diffusion weighted imaging (DWI). Various DWI techniques exist: Echo-planar imaging (EPI)-based and non-EPI-based techniques as well as new approaches like multi-shot EPI DWI...
May 28, 2017: World Journal of Radiology
https://www.readbyqxmd.com/read/28631815/expansion-of-sesquiterpene-biosynthetic-gene-clusters-in-pepper-confers-nonhost-resistance-to-the-irish-potato-famine-pathogen
#4
Hyun-Ah Lee, Sejun Kim, Seungill Kim, Doil Choi
Chemical barriers contribute to nonhost resistance, which is defined as the resistance of an entire plant species to nonadapted pathogen species. However, the molecular basis of metabolic defense in nonhost resistance remains elusive. Here, we report genetic evidence for the essential role of phytoalexin capsidiol in nonhost resistance of pepper (Capsicum spp.) to potato late blight Phytophthora infestans using transcriptome and genome analyses. Two different genes for capsidiol biosynthesis, 5-epi-aristolochene synthase (EAS) and 5-epi-aristolochene-1,3-dihydroxylase (EAH), belong to multigene families...
June 20, 2017: New Phytologist
https://www.readbyqxmd.com/read/28626997/discovery-of-a-calcium-dependent-enzymatic-cascade-for-the-selective-assembly-of-hapalindole-type-alkaloids-on-the-biosynthetic-origin-of-hapalindole-u
#5
Qin Zhu, Xinyu Liu
Hapalindole U (4) is a validated biosynthetic precursor to ambiguine alkaloids (Angew. Chem. Int. Ed. 2016, 55, 5780), of which biogenetic origin remains unknown. The recent discovery of AmbU4 (or FimC1) protein encoded in the ambiguine biosynthetic pathway (J. Am. Chem. Soc., 2015, 137, 15366), an isomerocyclase that can rearrange and cyclize geranylated indolenine (2) to a previously unknown 12-epi-hapalindole U (3), raised the question whether 3 is a direct precursor to 4 or an artifact arising from the limited in vitro experiments...
June 19, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28626472/in-iga-nephropathy-glomerulosclerosis-is-associated-with-increased-urinary-cd80-excretion-and-urokinase-type-plasminogen-activator-receptor-positive-podocyturia
#6
Hernán Trimarchi, Romina Canzonieri, Amalia Schiel, Cristian Costales-Collaguazo, Aníbal Stern, Matías Paulero, Tatiana Rengel, José Andrews, Alejandro Iotti, Mariano Forrester, Fernando Lombi, Vanesa Pomeranz, Romina Iriarte, Alexis Muryan, Elsa Zotta
BACKGROUND: Podocyturia may determine the evolution to podocytopenia, glomerulosclerosis, and renal failure. According to the Oxford classification of IgA nephropathy (IgAN), the S1 lesion describes glomerulosclerosis. Urokinase-type plasminogen activator receptor (uPAR) participates in podocyte attachment, while CD80 increases in glomerulosclerosis. We measured uPAR-positive urinary podocytes and urinary CD80 (uCD80) in controls and in IgAN subjects with M1E0S0T0 and M1E0S1T0 Oxford scores to assess a potential association between podocyturia, inflammation, and glomerulosclerosis...
May 2017: Nephron Extra
https://www.readbyqxmd.com/read/28624032/epidural-analgesia-for-traumatic-rib-fractures-is-associated-with-worse-outcomes-a-matched-analysis
#7
Katherine M McKendy, Lawrence F Lee, Kerianne Boulva, Dan L Deckelbaum, David S Mulder, Tarek S Razek, Jeremy R Grushka
BACKGROUND: The optimal method of pain control for patients with traumatic rib fractures is unknown. The aim of this study was to determine the effect of epidural analgesia on respiratory complications and in-hospital mortality in patients with rib fractures. METHODS: Adult patients at a level I trauma center with ≥1 rib fracture from blunt trauma were included (2004-2013). Those with a blunt-penetrating mechanism, traumatic brain injury, or underwent a laparotomy or thoracotomy were excluded...
June 15, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28622454/treatment-of-rheumatoid-arthritis-with-anti-tumor-necrosis-factor-or-tocilizumab-therapy-as-first-biologic-in-a-global-comparative-observational-study
#8
Ernest H Choy, Corrado Bernasconi, Maher Aassi, Jose Fernando Molina, Oscar Massimiliano Epis
OBJECTIVE: Compare clinical effectiveness between tocilizumab and tumor necrosis factor inhibitors (TNFi) in patients with rheumatoid arthritis and inadequate response to conventional synthetic disease-modifying antirheumatic drugs initiating biologic therapy. METHODS: Patients prescribed tocilizumab (intravenous) or TNFi were prospectively observed in routine clinical practice for 52 weeks across 158 sites in 26 countries. The primary observation was change from baseline in Disease Activity Score based on 28 joints-erythrocyte sedimentation rate (DAS28-ESR) at week 24 using analysis of covariance for between-group comparison...
June 16, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28621342/prevalence-of-chronic-kidney-disease-and-association-with-cardiovascular-risk-factors-among-teachers-in-cape-town-south-africa
#9
COMMENT
Aderemi B Adeniyi, Carien E Laurence, Jimmy A Volmink, M Razeen Davids
Background: There is a need to determine the feasibility of conducting studies of chronic diseases among large cohorts of African patients. One aim of the South African feasibility study was to determine the prevalence of chronic kidney disease (CKD) and its association with cardiovascular disease (CVD) risk factors among school teachers. Methods: In a cross-sectional survey of 489 teachers we captured data on demographics, CVD risk factors, anthropometry and blood pressure. Serum glucose, creatinine, cholesterol and urine protein/creatinine ratio was measured...
June 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28621138/divergent-synthesis-of-solanidine-and-22-epi-solanidine
#10
Ling-Li Hou, Yong Shi, Zhi-Dan Zhang, Jing-Jing Wu, Qing-Xiong Yang, Wei-Sheng Tian
A divergent synthesis of solanidine and 22-epi-solanidine, two 25S natural steroidal alkaloids, from 25R-configured diosgenin acetate, is described. Initially, solanidine was synthesized through a series of transformations including a cascade ring-switching process of furostan-26-acid, an epimerization of C25 controlled by the conformation of six-membered lactone ring, an intramolecular Schmidt reaction, and an imine reduction/intramolecular aminolysis process. To address the epimerization issue during Schmidt reaction, an improved synthesis was developed, which also led to a synthesis of 22-epi-solanidine...
June 16, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28620402/the-xantha-marker-trait-is-associated-with-altered-tetrapyrrole-biosynthesis-and-deregulated-transcription-of-phangs-in-rice
#11
Rui-Qing Li, Meng Jiang, Yan-Hua Liu, Yun-Chao Zheng, Jian-Zhong Huang, Jian-Min Wu, Qing-Yao Shu
The xantha marker trait, which is controlled by a down-regulating epi-mutation of OsGUN4, has been applied to the production of hybrid rice. However, the molecular basis for the ability of xantha mutants to attain high photosynthetic capacity even with decreased chlorophyll contents has not been characterized. In the present study, we observed that the total chlorophyll content of the xantha mutant was only 27.2% of that of the wild-type (WT) plants. However, the xantha mutant still accumulated 59.9% of the WT δ-aminolevulinic acid content, 72...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28617598/withanolides-from-aeroponically-grown-physalis-peruviana-and-their-selective-cytotoxicity-to-prostate-cancer-and-renal-carcinoma-cells
#12
Ya-Ming Xu, E M Kithsiri Wijeratne, Ashley L Babyak, Hanna R Marks, Alan D Brooks, Poonam Tewary, Li-Jiang Xuan, Wen-Qiong Wang, Thomas J Sayers, A A Leslie Gunatilaka
Investigation of aeroponically grown Physalis peruviana resulted in the isolation of 11 new withanolides, including perulactones I-L (1-4), 17-deoxy-23β-hydroxywithanolide E (5), 23β-hydroxywithanolide E (6), 4-deoxyphyperunolide A (7), 7β-hydroxywithanolide F (8), 7β-hydroxy-17-epi-withanolide K (9), 24,25-dihydro-23β,28-dihydroxywithanolide G (10), and 24,25-dihydrowithanolide E (11), together with 14 known withanolides (12-25). The structures of 1-11 were elucidated by the analysis of their spectroscopic data, and 12-25 were identified by comparison of their spectroscopic data with those reported...
June 15, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28617015/using-implementation-science-to-guide-the-integration-of-evidence-based-family-interventions-into-primary-care
#13
Justin D Smith, Jodi Polaha
This article is a demonstration of how an implementation-science (IS) framework can be coupled with the measurement of implementation outcomes to effectively integrate evidence-based family interventions in primary care. The primary care environment presents a number of challenges for successfully integrating such interventions. However, IS methods can improve the prospect of successfully implementing a new intervention while simultaneously and rigorously evaluating the impact on salient outcomes. We used our experiences across 2 pilot trials in which the family check-up (Smith, Montaño, Mauricio, Berkel, & Dishion, 2016), an evidence-based family intervention, was integrated into primary care...
June 2017: Families, Systems & Health: the Journal of Collaborative Family Healthcare
https://www.readbyqxmd.com/read/28616928/-clinical-study-of-rs-epi-dwi-to-improve-imaging-quality-and-assessment-on-intracranial-mass-lesions
#14
Kai Zhang, Chun-Chao Xia, Qiang Yue, Tao Guo, Wan-Lin Peng, Yu-Ming Li, Lei Li, Fei Zhao, Jin Pu, Qi Leng, Zhen-Lin Li
OBJECTIVES: To explore the clinical value of readout-segmented echo planar imaging (Rs-EPI) sequence in the assessment of intracranial mass lesions compared to the standard single-shot EPI (Ss-EPI) sequence. METHODS: We included 21 patients with intracranial mass lesions who underwent both Ss-EPI diffusion weighted imaging (DWI) and Rs-EPI DWI at 3.0T MR scanner with a twenty-channel head-neck coil. The quality of images was assessed by two experienced radiologists independently...
May 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28616079/surgical-site-infection-and-its-associated-factors-following-cesarean-section-a-cross-sectional-study-from-a-public-hospital-in-ethiopia
#15
Kelemu Abebe Gelaw, Amlaku Mulat Aweke, Feleke Hailemichael Astawesegn, Birhanu Wondimeneh Demissie, Liknaw Bewket Zeleke
BACKGROUND: A cesarean section is a surgical procedure in which incisions are made through a woman's abdomen and uterus to deliver her baby. Surgical site infections are a common surgical complication among patients delivered with cesarean section. Further it caused to increase maternal morbidity, stay of hospital and the cost of treatment. METHODS: Hospital based cross-sectional study was conducted to assess the magnitude of surgical site infection following cesarean Site Infections and its associated factors at Lemlem Karl hospital July 1, 2013 to June 30, 2016...
2017: Patient Safety in Surgery
https://www.readbyqxmd.com/read/28615980/household-flood-preparedness-and-associated-factors-in-the-flood-prone-community-of-dembia-district-amhara-national-regional-state-northwest-ethiopia
#16
Baye Ashenefe, Mamo Wubshet, Alemayehu Shimeka
BACKGROUND: Flood preparedness empowers the community to respond effectively to related hazards. However, there was no research done in the country concerning household flood preparedness. Therefore, the aim of this study was to assess household flood preparedness and associated factors in the flood-prone community of Dembia district, northwest Ethiopia. METHODS: A community-based cross-sectional study was conducted from March to April 2014 in the Dembia district...
2017: Risk Management and Healthcare Policy
https://www.readbyqxmd.com/read/28615471/clostridium-difficile-pcr-cycle-threshold-predicts-free-toxin
#17
Fiona Senchyna, Rajiv L Gaur, Saurabh Gombar, Cynthia Y Truong, Lee F Schroeder, Niaz Banaei
Background. There is no stand-alone Clostridium difficile diagnostic that can sensitively and rapidly detect fecal free toxins. We investigated the performance of C. difficile PCR cycle threshold (CT) for predicting free toxin status.Method. Consecutive stool samples (n=312) positive for toxigenic C. difficile with the GeneXpert C.diff Epi tcdB PCR assay were tested with the rapid membrane C. DIFF QUIK CHEK COMPLETE immunoassay (RMEIA). RMEIA toxin-negative samples were tested with the cell cytotoxicity neutralization assay (CCNA) and tgcBIOMICS ELISA...
June 14, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28615158/somatosensory-modulation-of-salivary-gene-expression-and-oral-feeding-in-preterm-infants-randomized-controlled-trial
#18
Steven Michael Barlow, Jill Lamanna Maron, Gil Alterovitz, Dongli Song, Bernard Joseph Wilson, Priya Jegatheesan, Balaji Govindaswami, Jaehoon Lee, Austin Oder Rosner
BACKGROUND: Despite numerous medical advances in the care of at-risk preterm neonates, oral feeding still represents one of the first and most advanced neurological challenges facing this delicate population. Objective, quantitative, and noninvasive assessment tools, as well as neurotherapeutic strategies, are greatly needed in order to improve feeding and developmental outcomes. Pulsed pneumatic orocutaneous stimulation has been shown to improve nonnutritive sucking (NNS) skills in preterm infants who exhibit delayed or disordered nipple feeding behaviors...
June 14, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28615100/-the-mechanism-underlying-the-effects-of-tea-polyphenol-on-epirubicin-induced-autophagy-and-apoptosis-in-t24-bladder-cancer-cells
#19
Wen Gu, Hubin Yin, Yan Liu, Xin Gou
Objective To investigate the mechanism by which epirubicin (EPI) induces autophagy and the mechanism by which tea polyphenol (TP) regulates EPI-induced autophagy and apoptosis in T24 bladder cancer cells. Methods T24 cells weredivided into control group, EPI group, TP group and TP plus EPI group. Eight hours after corresponding treatments in different groups, transmission electron microscopy (TEM) was used to observe the image of autophagosomes. The expressions of autophagy-related protein LC3II and p62 in the cells were detected by Western blotting...
June 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28615006/brief-temperature-stress-during-reproductive-stages-alters-meiotic-recombination-and-somatic-mutation-rates-in-the-progeny-of-arabidopsis
#20
Ramswaroop Saini, Amit Kumar Singh, Shanmuhapreya Dhanapal, Thoufeequl Hakeem Saeed, Geoffrey J Hyde, Ramamurthy Baskar
BACKGROUND: Plants exposed to environmental stresses draw upon many genetic and epigenetic strategies, with the former sometimes modulated by the latter. This can help the plant, and its immediate progeny, at least, to better endure the stress. Some evidence has led to proposals that (epi) genetic changes can be both selective and sustainably heritable, while other evidence suggests that changes are effectively stochastic, and important only because they induce genetic variation. One type of stress with an arguably high level of stochasticity in its effects is temperature stress...
June 14, 2017: BMC Plant Biology
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