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https://www.readbyqxmd.com/read/28443914/probing-the-pharmacokinetics-of-cucurbit-7-8-and-10-uril-and-a-dinuclear-ruthenium-antimicrobial-complex-encapsulated-in-cucurbit-10-uril
#1
Fangfei Li, Anil K Gorle, Marie Ranson, Kara L Vine, Robert Kinobe, Marshall Feterl, Jeffrey M Warner, F Richard Keene, J Grant Collins, Anthony I Day
The relatively non-toxic family of cucurbit[n]uril, Q[n], have shown considerable potential in vitro as drug delivery agents, with only a few examples of pharmacokinetic (PK) studies for drug⊂Q[n]. Drug-free Q[n] PK studies are the next step in determining the pharmacological applicability in their drug delivery potential. The results for the first PK and bio-distribution of drug-free (14)C-Q[7] are described for administration via intravenous (i.v.) and intraperitoneal (i.p.) dosing. A study of oral administration of drug-free (14)C-Q[8] has also been undertaken to determine the time course for the gastrointestinal tract (GIT), absorption and subsequent bio-distribution...
April 26, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28443513/the-gastrointestinal-dysmotility-and-infections-in-systemic-sclerosis-a-real-world-scenario
#2
Shefali Khanna Sharma, M B Adarsh, Saroj K Sinha, Anish Bhattacharya, Satyavati Rana, Surjit Singh, Varun Dhir
INTRODUCTION: Systemic Sclerosis is known to involve the gastrointestinal system and can lead to multitude of problems predominantly affecting the GI motility. METHODS: It was a prospective, observational, single centre study of fifty consecutive patients with SSc who presented to rheumatology clinic. Gut score was assessed using UCLA SCTC GIT 2.0 questionnaire. 35 patients underwent esophago- gastro duodenoscopy(UGIE), 31 underwent esophageal manometry, 37 underwent lactulose breath test to assess orocaecal transit time (OCTT) and glucose breath test for detecting small intestinal bacterial overgrowth (SIBO) and 36 underwent gastric emptying scintigraphy to measure gastric emptying time...
April 25, 2017: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/28438462/comparison-of-interferon-%C3%AE-release-assays-quantiferon-tb-git-and-t-spot-tb-in-renal-transplantation
#3
Satoru Ishikawa, Hidetoshi Igari, Naotake Akutsu, Mizue Tsuyuzaki, Hiromichi Aoyama, Masayuki Hasegawa, Kazunori Otsuki, Michihiro Maruyama, Kenichi Saigo, Kiminori Suzuki, Fumio Yamagishi
Renal transplant recipients are at increased risk of reactivating latent tuberculosis infection (LTBI) and progressing to active tuberculosis (TB). This study was conducted in National hospital for tuberculosis and renal transplantation (RT) in Japan. The purpose is to compare two interferon-γ release assays (IGRAs), QuantiFERON(®)-TB Gold in Tube (QFT) and T-SPOT(®).TB (TSPOT), in patients after renal transplantation for detecting latent TB infection (LTBI). Total 92 renal transplant recipients (median age 46 years, range 17-75) were prospectively enrolled, and QFT and TSPOT were concurrently examined...
April 21, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28424979/studies-on-core-shell-nanocapsules-of-felodipine-in-vitro-in-vivo-evaluations
#4
Jerome K Geroge, Priya Ranjan Prasad Verma, Jayachandran Venkatesan, Jin-Young Lee, Dong-Han Yoon, Se-Kwon Kim, Sandeep Kumar Singh
The present study aimed for in vitro-in vivo-in silico simulation studies of experimentally designed (3(2)-factorial) Capmul PG-8-cored, Eudragit RSPO-Lutrol F 127 nanocapsules to ferry felodipine using GastroPlus™. The in silico parameter sensitivity analysis for pharmacokinetic parameters was initially assessed to justify the preparation of felodipine-loaded nanocapsules (FLNs) with enhanced solubility to overcome the bioavailability issues of felodipine. The overall integrated desirability ranged between 0...
April 19, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28419223/removal-of-batch-effects-using-distribution-matching-residual-networks
#5
Uri Shaham, Kelly P Stanton, Jun Zhao, Huamin Li, Khadir Raddassi, Ruth Montgomery, Yuval Kluger
Motivation: Sources of variability in experimentally derived data include measurement error in addition to the physical phenomena of interest. This measurement error is a combination of systematic components, originating from the measuring instrument, and random measurement errors. Several novel biological technologies, such as mass cytometry and single-cell RNA-seq, are plagued with systematic errors that may severely affect statistical analysis if the data is not properly calibrated...
April 13, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28417164/individual-differences-in-voluntary-alcohol-intake-in-rats-relationship-with-impulsivity-decision-making-and-pavlovian-conditioned-approach
#6
Marcia Spoelder, Jacques P Flores Dourojeanni, Kathy C G de Git, Annemarie M Baars, Heidi M B Lesscher, Louk J M J Vanderschuren
RATIONALE: Alcohol use disorder (AUD) has been associated with suboptimal decision making, exaggerated impulsivity, and aberrant responses to reward-paired cues, but the relationship between AUD and these behaviors is incompletely understood. OBJECTIVES: This study aims to assess decision making, impulsivity, and Pavlovian-conditioned approach in rats that voluntarily consume low (LD) or high (HD) amounts of alcohol. METHODS: LD and HD were tested in the rat gambling task (rGT) or the delayed reward task (DRT)...
April 18, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28416945/a-chip-seq-data-analysis-pipeline-based-on-bioconductor-packages
#7
Seung-Jin Park, Jong-Hwan Kim, Byung-Ha Yoon, Seon-Young Kim
Nowadays, huge volumes of chromatin immunoprecipitation-sequencing (ChIP-Seq) data are generated to increase the knowledge on DNA-protein interactions in the cell, and accordingly, many tools have been developed for ChIP-Seq analysis. Here, we provide an example of a streamlined workflow for ChIP-Seq data analysis composed of only four packages in Bioconductor: dada2, QuasR, mosaics, and ChIPseeker. 'dada2' performs trimming of the high-throughput sequencing data. 'QuasR' and 'mosaics' perform quality control and mapping of the input reads to the reference genome and peak calling, respectively...
March 2017: Genomics & Informatics
https://www.readbyqxmd.com/read/28407026/streptococcal-adhesin-p-sadp-contributes-to-streptococcus-suis-adhesion-to-the-human-intestinal-epithelium
#8
Maria Laura Ferrando, Niels Willemse, Edoardo Zaccaria, Yvonne Pannekoek, Arie van der Ende, Constance Schultsz
BACKGROUND: Streptococcus suis is a zoonotic pathogen, causing meningitis and septicemia. We previously demonstrated that the gastrointestinal tract (GIT) is an entry site for zoonotic S. suis infection. Here we studied the contribution of Streptococcal adhesin Protein (SadP) to host-pathogen interaction at GIT level. METHODS: SadP expression in presence of Intestinal Epithelial Cells (IEC) was compared with expression of other virulence factors by measuring transcript levels using quantitative Real Time PCR (qRT-PCR)...
2017: PloS One
https://www.readbyqxmd.com/read/28402145/the-effect-of-ph-buffer-capacity-and-ionic-strength-on-quetiapine-fumarate-release-from-matrix-tablets-prepared-using-two-different-polymeric-blends
#9
Rania Hamed, Reem AlJanabi, Suhair Sunoqrot, Aiman Abbas
The objective of this study was to investigate the effect of the different physiological parameters of the gastrointestinal (GI) fluid (pH, buffer capacity, and ionic strength) on the in vitro release of the weakly basic BCS class II drug quetiapine fumarate (QF) from two once-a-day matrix tablet formulations (F1 and F2) developed as potential generic equivalents to Seroquel(®) XR. F1 tablets were prepared using blends of high and low viscosity grades of hydroxypropyl methylcellulose (HPMC K4M and K100LV, respectively), while F2 tablets were prepared from HPMC K4M and PEGylated glyceryl behenate (Compritol(®) HD5 ATO)...
April 12, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28398535/diagnostic-utility-of-new-equation-for-active-tuberculosis-based-on-parameters-of-interferon-%C3%AE-release-assay
#10
You La Jeon, Min-Jeong Kim, Woo-In Lee, Myeong Hee Kim, So Young Kang
Background: We derived a new equation to include interferon-γ (IFN-γ) levels in the QuantiFERON-Gold In-Tube (QFT-GIT) assay to discriminate active tuberculosis (ATB) infection from latent TB, and compared the diagnostic performance of the QFT-GIT assay and the new equation. Methods: From January 2013 through May 2015, we retrospectively enrolled 159 and 408 patients with and without ATB, respectively, in this study. Discriminant analysis was performed to derive an equation to distinguish the ATB group from the non-ATB group...
April 8, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/28392691/ketoprofen-loaded-eudragit-electrospun-nanofibers-for-the-treatment-of-oral-mucositis
#11
Rana Ihab Reda, Ming Ming Wen, Amal Hassan El-Kamel
PURPOSE: The purpose of this study was to formulate ketoprofen (KET)-loaded Eudragit L and Eudragit S nanofibers (NFs) by the electrospinning technique for buccal administration to treat oral mucositis as a safe alternative to orally administered KET, which causes gastrointestinal tract (GIT) side effects. MATERIALS AND METHODS: NFs were prepared by electrospinning using Eudragit L and Eudragit S. Several variables were evaluated to optimize NF formulation, such as polymer types and concentrations, applied voltage, flow rate and drug concentrations...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28392316/prevalence-of-latent-mycobacterium-tuberculosis-infection-ltbi-in-saudi-arabia-population-based-survey
#12
Hanan H Balkhy, Kamel El Beltagy, Aiman El-Saed, Badr Aljasir, Abdulhakeem Althaqafi, Adel F Alothman, Mohammad Alshalaan, Hamdan Al-Jahdali
BACKGROUND: The annual risk of tuberculosis infection (ARTI) data in Saudi Arabia has never been updated since 1993. OBJECTIVES: To estimate the prevalence of latent TB infection (LTBI) and ARTI in a population-based sample in Saudi Arabia using Tuberculin skin test (TST) and QuantiFERON TB Gold in tube (QFT-GIT) test. METHODS: A population-based cross sectional study was conducted between July 2010 and March 2013. Participants were randomly selected from the population served by the primary healthcare centers of the Ministry of National Guard Health Affairs in Riyadh, Jeddah, Alhassa and Dammam, Saudi Arabia...
April 6, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28381742/the-direct-comparison-of-two-interferon-gamma-release-assays-in-the-tuberculosis-screening-of-japanese-healthcare-workers
#13
Masaki Tanabe, Akiko Nakamura, Akie Arai, Daisuke Yamasaki, Kyoko Hirano, Tetsu Kobayashi, Osamu Taguchi, Toshihiro Kaneko, Masaaki Ito
Objective Two interferon-gamma release assays (IGRAs), the QuantiFERON-TB Gold In-Tube (QFT-GIT) and T-SPOT.TB (T-SPOT), are commercially available. The agreement between the two IGRAs in the screening of healthcare workers (HCWs) for latent tuberculosis is not well known. Methods The QFT-GIT and T-SPOT tests were performed for the baseline tuberculosis screening of 654 HCWs who worked at Mie University Hospital in Japan. The results of the two tests were directly compared. Results Nineteen (2.9%), 28 (4.3%) and 33 (5...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28378284/microbial-community-compositions-in-the-gastrointestinal-tract-of-chinese-mongolian-sheep-using-illumina-miseq-sequencing-revealed-high-microbial-diversity
#14
Yan Zeng, Dong Zeng, Xueqin Ni, Hui Zhu, Ping Jian, Yi Zhou, Shuai Xu, Yicen Lin, Yang Li, Zhongqiong Yin, Kangcheng Pan, Bo Jing
Chinese Mongolian sheep are an important ruminant raised for wool and meat production. However, little is known about the microbiota of the gastrointestinal tract (GIT) of Chinese Mongolian sheep. To increase our understanding of the microbial community composition in the GIT of Chinese Mongolian sheep, microbiota of five sheep is investigate for the first time using the Illumina MiSeq platform. High microbial diversity was obtained from the GIT, and the microbiota exhibited a higher biodiversity in the stomach and large intestine than in the small intestine...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28377276/encapsulation-systems-for-the-delivery-of-hydrophilic-nutraceuticals-food-application
#15
REVIEW
N P Aditya, Yadira Gonzalez Espinosa, Ian T Norton
Increased health risk associated with the sedentary life style is forcing the food manufacturers to look for food products with specific or general health benefits e.g. beverages enriched with nutraceuticals like catechin, curcumin rutin. Compounds like polyphenols, flavonoids, vitamins are the good choice of bioactive compounds that can be used to fortify the food products to enhance their functionality. However due to low stability and bioavailability of these bioactives (both hydrophobic and hydrophilic) within the heterogeneous food microstructure and in the Gastro Intestinal Tract (GIT), it becomes extremely difficult to pass on the real health benefits to the consumers...
April 1, 2017: Biotechnology Advances
https://www.readbyqxmd.com/read/28370359/comparative-gastrointestinal-morphology-of-tachyoryctes-splendens-r%C3%A3-ppell-1835-and-heliophobius-emini-noack-1894-two-species-of-east-african-mole-rats
#16
Lauren Sahd, Daniella L Pereira, Nigel C Bennett, Sanet H Kotzé
Tachyoryctes splendens (Northeast African mole-rat) and Heliophobius emini (Emin's mole-rat) are two African mole-rats that represent separate allopatric rodent families namely Spalacidae and Bathyergidae respectively. While these species consume a similar diet of underground plant storage organs such as roots and tubers, T. splendens has been reported to additionally consume small amounts of aerial foliage. This study aims to provide detailed gross morphological and histological morphometric analyses of the gastrointestinal tract (GIT) of these two subterranean species...
March 29, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/28369201/genomescope-fast-reference-free-genome-profiling-from-short-reads
#17
Gregory W Vurture, Fritz J Sedlazeck, Maria Nattestad, Charles J Underwood, Han Fang, James Gurtowski, Michael C Schatz
Summary: GenomeScope is an open-source web tool to rapidly estimate the overall characteristics of a genome, including genome size, heterozygosity rate, and repeat content from unprocessed short reads. These features are essential for studying genome evolution, and help to choose parameters for downstream analysis. We demonstrate its accuracy on 324 simulated and 16 real datasets with a wide range in genome sizes, heterozygosity levels, and error rates. Availability and Implementation: http://genomescope...
March 24, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28366803/indomethacin-containing-interpolyelectrolyte-complexes-based-on-eudragit-%C3%A2-e-po-s-100-copolymers-as-a-novel-drug-delivery-system
#18
Rouslan I Moustafine, Alexander Y Sitenkov, Alexandra V Bukhovets, Shamil F Nasibullin, Bernard Appeltans, Tatiana V Kabanova, Vitaliy V Khutoryanskiy, Guy Van den Mooter
Potential applications of a novel system composed of two oppositely-charged (meth)acrylate copolymers, Eudragit(®) ЕРО (EPO) and Eudragit(®) S100 (S100), loaded with indomethacin (IND) in oral drug delivery were evaluated. The particles based on drug-interpolyelectrolyte complexes (DIPEC), (EPO-IND)/S100, were prepared by mixing aqueous solutions of both copolymers at fixed pH. Particles of drug-polyelectrolyte complex (DPC), (EPO-IND) have a positive zeta potential, pointing to the surface location of free EPO chains and IND bound to EPO sequences...
March 31, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28357027/exercise-modifies-the-gut-microbiota-with-positive-health-effects
#19
REVIEW
Vincenzo Monda, Ines Villano, Antonietta Messina, Anna Valenzano, Teresa Esposito, Fiorenzo Moscatelli, Andrea Viggiano, Giuseppe Cibelli, Sergio Chieffi, Marcellino Monda, Giovanni Messina
The human gastrointestinal tract (GIT) is inhabited by a wide cluster of microorganisms that play protective, structural, and metabolic functions for the intestinal mucosa. Gut microbiota is involved in the barrier functions and in the maintenance of its homeostasis. It provides nutrients, participates in the signaling network, regulates the epithelial development, and affects the immune system. Considering the microbiota ability to respond to homeostatic and physiological changes, some researchers proposed that it can be seen as an endocrine organ...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28355887/micro-to-nanoneedles-a-trend-of-modernized-transepidermal-drug-delivery-system
#20
Pravin Shende, Mrunmayi Sardesai, R S Gaud
The transdermal route of drug delivery is convenient, pain-free and follows controlled rate release pattern. However, many therapeutically active drugs cannot cross the stratum corneum effectively. Lipophilic drugs like nifedipine cross the outer skin barrier easily and polar drugs, such as epinephrine are ineffective in showing the same effect. Due to these reasons, advancements in drug delivery have taken place to deliver a wide range of drugs, especially macromolecules through the transdermal route and directly into systemic circulation bypassing hepatic metabolism and GIT degradation...
March 30, 2017: Artificial Cells, Nanomedicine, and Biotechnology
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