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https://www.readbyqxmd.com/read/28327822/impact-of-roux-en-y-gastric-bypass-surgery-rygb-on-metabolic-syndrome-components-and-on-the-use-of-associated-drugs-in-obese-patients
#1
Vilma Maria Junges, Jarbas Marinho Cavalheiro, Eliana Franzoi Fam, Vera Elizabeth Closs, João Feliz Moraes, Maria Gabriela Gottlieb
BACKGROUND: The prevalence of obesity and metabolic syndrome is increasing worldwide and both behavior modification and drug therapy have low adherence. Gastric bypass has shown effective results in both reducing weight and improving comorbidities. OBJECTIVE: To evaluate the impact of Roux-en-Y Gastric Bypass Surgery (RYGB) on both metabolic syndrome components and the use of associated drugs in obese patients. METHODS: Historical cohort of patients subjected to Roux-en-Y Gastric Bypass Surgery (RYGB) between January 2007 and March 2014 in a private clinic...
March 16, 2017: Arquivos de Gastroenterologia
https://www.readbyqxmd.com/read/28315214/detection-of-food-allergens-by-taqman-real-time-pcr-methodology
#2
Aina García, Raquel Madrid, Teresa García, Rosario Martín, Isabel González
Real-time PCR (polymerase chain reaction) has shown to be a very effective technology for the detection of food allergens. The protocol described herein consists on a real-time PCR assay targeting the plant ITS (Internal Transcribed Spacer) region, using species-specific primers and hydrolysis probes (Taqman) dual labeled with a reporter fluorophore at the 5' end (6-carboxyfluorescein, FAM) and a quencher fluorophore at the 3' end (Blackberry, BBQ). The species-specific real-time PCR systems (primers/probe) described in this work allowed the detection of different nuts (peanut, hazelnut, pistachio, almond, cashew, macadamia, walnut and pecan), common allergens present in commercial food products, with a detection limit of 0...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28306242/excision-repair-initiated-enzyme-assisted-bicyclic-cascade-signal-amplification-for-ultrasensitive-detection-of-uracil-dna-glycosylase
#3
Li-Juan Wang, Ming Ren, Qianyi Zhang, Bo Tang, Chun-Yang Zhang
Uracil-DNA glycosylase (UDG) is an important base excision repair (BER) enzyme responsible for the repair of uracil-induced DNA lesion and the maintenance of genomic integrity, while the aberrant expression of UDG is associated with a variety of cancers. Thus the accurate detection of UDG activity is essential to biomedical research and clinical diagnosis. Here, we develop a fluorescent method for ultrasensitive detection of UDG activity using excision repair-initiated enzyme-assisted bicyclic cascade signal amplification...
March 17, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28301132/nuclear-shell-biopolymers-initiated-by-telomere-elongation-for-individual-cancer-cell-imaging-and-drug-delivery
#4
Zhen Zhang, Yuting Jiao, Mengting Zhu, Shusheng Zhang
Here, we propose a strategy for unique nuclear-shell biopolymers initiated by telomere elongation for telomerase activity detection and precise drug delivery to individual cancer cells. Telomerase-triggered DNA rolling-circle amplification (RCA) is used to assemble nuclear-shell biopolymers with signal molecules for selective cancer cell recognition and efficient drug delivery to targeted individual cells. This strategy not only should allow the creation of clustered 5-carboxyfluorescein (FAM)-fluorescence spots in response to human-telomerase activity in individual cancer cells but also could efficiently deliver drugs to reduce the undesired death of healthy cells...
March 24, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28299702/optical-and-electrochemical-aptasensors-for-sensitive-detection-of-streptomycin-in-blood-serum-and-milk
#5
Mohammad Ramezani, Khalil Abnous, Seyed Mohammad Taghdisi
Detection and quantitation of antibiotic residues in blood serum and foodstuffs are in great demand. We have developed aptasensors for detection of streptomycin using electrochemical and optical methods. In the first method, an electrochemical aptasensor was developed for sensitive and selective detection of streptomycin, based on combination of exonuclease I (Exo I), complementary strand of aptamer (CS), arch shaped structure of aptamer (Apt)-CS conjugate, and gold electrode. The designed electrochemical aptasensor exhibited high selectivity toward streptomycin with a limit of detection (LOD) as low as 11...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28285167/the-investigation-of-the-truncated-mbta-gene-within-the-mycobactin-cluster-of-mycobacterium-avium-subspecies-paratuberculosis-as-a-novel-diagnostic-marker-for-real-time-pcr
#6
Marcel de Kruijf, Aidan Coffey, Jim O'Mahony
The inability of Mycobacterium avium subspecies paratuberculosis (MAP) to produce endogenous mycobactin in-vitro is most likely due to the presence of a truncated mbtA gene within the mycobactin cluster of MAP. The main goal of this study was to investigate this unique mbtA truncation as a potential novel PCR diagnostic marker for MAP. Novel primers were designed that were located within the truncated region and the contiguous MAP2179 gene. Primers were evaluated against non-MAP isolates and no amplicons were generated...
March 8, 2017: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/28285035/development-of-aflatoxin-b1-aptasensor-based-on-wide-range-fluorescence-detection-using-graphene-oxide-quencher
#7
Minyoung Joo, Seung Hoon Baek, Seon Ah Cheon, Hyang Sook Chun, Sung-Wook Choi, Tae Jung Park
Aflatoxin B1 (AFB1) is a carcinogenic substance produced by fungi of genus Aspergillus, especially Aspergillus flavus. Few nanograms of AFB1 that permeated through the skin is sufficient to cause liver cancer and stunted growth. In this study, a rapid aptamer-based assay for AFB1 was developed using the fluorescence quenching property of graphene oxide (GO) and a fluorescein amidite (FAM)-modified aptamer specific to AFB1. The aptamer, modified with the fluorescence dye FAM on its 5'-end, was used as a probe...
March 6, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28280402/psychometric-properties-and-validation-of-the-italian-version-of-the-family-assessment-measure-third-edition-short-version-in-a-nonclinical-sample
#8
Monica Pellerone, Tiziana Ramaci, Santa Parrello, Paola Guariglia, Flavio Giaimo
BACKGROUND: Family functioning plays an important role in developing and maintaining dysfunctional behaviors, especially during adolescence. The lack of indicators of family functioning, as determinants of personal and interpersonal problems, represents an obstacle to the activities aimed at developing preventive and intervention strategies. The Process Model of Family Functioning provides a conceptual framework organizing and integrating various concepts into a comprehensive family assessment; this model underlines that through the process of task accomplishment, each family meets objectives central to its life as a group...
2017: Psychology Research and Behavior Management
https://www.readbyqxmd.com/read/28269808/development-of-a-framework-for-resilience-measurement-suggestion-of-fuzzy-resilience-grade-rg-and-fuzzy-resilience-early-warning-grade-rewg
#9
Mohsen Omidvar, Adel Mazlomi, Fam Iraj Mohammad, Fereshteh Nirumand
BACKGROUND: Resilience engineering (RE) can be an alternative technique to the traditional risk assessment and management techniques, to predict and manage safety conditions of modern socio-technical organizations. While traditional risk management approaches are retrospective and highlight error calculation and computation of malfunction possibilities, resilience engineering seeks ways to improve capacity at all levels of organizations in order to build strong yet flexible processes...
February 28, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28266631/mirolydidae-a-new-family-of-jurassic-pamphilioid-sawfly-hymenoptera-highlighting-mosaic-evolution-of-lower-hymenoptera
#10
Mei Wang, Alexandr P Rasnitsyn, Zhongqi Yang, Chungkun Shih, Hongbin Wang, Dong Ren
We describe Pamphilioidea: Mirolydidae Wang, Rasnitsyn et Ren, fam. n., containing Mirolyda hirta Wang, Rasnitsyn et Ren, gen. et sp. n., from the late Middle Jurassic Jiulongshan Formation of Daohugou, Inner Mongolia, China. The new taxon is characterized by unique forewing venation with the presence of forewing SC, 1-RS almost as long as 1-M, M + Cu straight, 2r-rs strongly reclival, and antenna with homonomous flagellum, revealing new and important details in antennal evolutionary transformations. Thus, M...
March 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28264296/contribution-to-the-uropodina-mites-of-peru-acari-mesostigmata
#11
Jenő Kontschán, Stefan Friedrich
Soil dwelling Uropodina mites were collected from a primary lowland rainforest in Amazonian Peru. The species found belong to three different families. A new diagnosis and the type genus of Tetrasejaspidae fam. nov. are given, and the family is recorded from Peru for the first time on the basis of Tetrasejaspis sellnicki Hirschmann, 1973. Two rotundabaloghid mites were collected (Rotundabaloghia (Circobaloghia) magna Hirschmann, 1992 and Rotundabaloghia (Circobaloghia) iquitosensis Hirschmann, 1992), both already reported from Peru...
February 27, 2017: Zootaxa
https://www.readbyqxmd.com/read/28251299/variations-in-chemical-sexual-signals-of-psammodromus-algirus-lizards-along-an-elevation-gradient-may-reflect-altitudinal-variation-in-microclimatic-conditions
#12
José Martín, Francisco Javier Zamora-Camacho, Senda Reguera, Pilar López, Gregorio Moreno-Rueda
Chemical signals used in intraspecific communication are expected to evolve or to show phenotipic plasticity to maximize efficacy in the climatic conditions of a given environment. Elevational environmental gradients in mountains provide a good opportunity to test this hypothesis by examining variation in characteristics of signals in species found across different elevations with different climatic conditions. We analyzed by gas chromatography-mass spectrometry (GC-MS) the lipophilic fraction of the femoral gland secretions of male lizards Psammodromus algirus (Fam...
April 2017: Die Naturwissenschaften
https://www.readbyqxmd.com/read/28250639/patient-reported-outcome-following-nonsurgical-management-of-type-ii-odontoid-process-fractures-in-adults
#13
Maged D Fam, Hussein A Zeineddine, Rafiq Muhammed Nassir, Pragnesh Bhatt, Mahmoud H Kamel
BACKGROUND: Transverse (type II) odontoid process fracture is among the most commonly encountered cervical spine fractures. Nonsurgical management through external immobilization is occasionally preferred to surgical management but is criticized for its higher rates of failure and lower patient satisfaction. Our aim is to analyze patient-reported outcomes in patients who underwent nonsurgical treatment for type II odontoid fractures. METHODS: We identified patients >18-year-old who underwent external immobilization as a treatment for isolated type II odontoid fracture between 2007 and 2012...
January 2017: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/28248970/an-eocene-orthocone-from-antarctica-shows-convergent-evolution-of-internally-shelled-cephalopods
#14
Larisa A Doguzhaeva, Stefan Bengtson, Marcelo A Reguero, Thomas Mörs
BACKGROUND: The Subclass Coleoidea (Class Cephalopoda) accommodates the diverse present-day internally shelled cephalopod mollusks (Spirula, Sepia and octopuses, squids, Vampyroteuthis) and also extinct internally shelled cephalopods. Recent Spirula represents a unique coleoid retaining shell structures, a narrow marginal siphuncle and globular protoconch that signify the ancestry of the subclass Coleoidea from the Paleozoic subclass Bactritoidea. This hypothesis has been recently supported by newly recorded diverse bactritoid-like coleoids from the Carboniferous of the USA, but prior to this study no fossil cephalopod indicative of an endochochleate branch with an origin independent from subclass Bactritoidea has been reported...
2017: PloS One
https://www.readbyqxmd.com/read/28245439/demographic-risk-factors-for-vascular-lesions-as-etiology-of-intraventricular-hemorrhage-in-prospectively-screened-cases
#15
Maged D Fam, Alice Pang, Hussein A Zeineddine, Steven Mayo, Agnieszka Stadnik, Michael Jesselson, Lingjiao Zhang, Rachel Dlugash, Wendy Ziai, Daniel Hanley, Issam A Awad
BACKGROUND: Spontaneous intraventricular hemorrhage (IVH) is associated with high rates of morbidity and mortality despite critical care and other advances. An important step in clinical management is to confirm/rule out an underlying vascular lesion, which influences further treatment, potential for further bleeding, and prognosis. Our aim is to compare demographic and clinical characteristics between IVH patients with and without an underlying vascular lesion, and among cohorts with different vascular lesions...
February 28, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28224267/selection-of-dna-aptamers-for-extra-cellular-domain-of-human-epidermal-growth-factor-receptor-2-to-detect-her2-positive-carcinomas
#16
A Sett, B B Borthakur, U Bora
BACKGROUND: Human epidermal growth factor receptor 2 (Her2, an orphan receptor of ErbB family) is considered as an important biomarker as it plays a key role in the development and progression of aggressive types of breast, ovarian, stomach and gastric cancer. In the present study, we developed novel DNA aptamers against the extra-cellular domain (ECD) of Her2 protein for detection of Her2-positive carcinomas. METHODS: We cloned and expressed Her2-ECD protein in E...
February 21, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28218604/everolimus-eluting-bioresorbable-vascular-scaffold-for-treatment-of-complex-chronic-total-occlusions
#17
Jiang Ming Fam, Soledad Ojeda, Roberto Garbo, Azeem Latib, Alessio La Manna, Beatriz Vaquerizo, Marouane Boukhris, Georgios J Vlachojannis, Robert Jan van Geuns, Babu Ezhumalai, Hiroyoshi Kawamoto, Jors van der Sijde, Cordula Felix, Manuel Pan, Roberta Serdoz, Giacomo Giovanni Boccuzzi, Marcella De Paolis, Gennaro Sardella, Corrado Tamburino, Pieter C Smits, Carlo Di Mario, Ashok Seth, Antonio Serra, Antonio Colombo, Patrick Serruys, Alfredo R Galassi, Felix Zijlstra, Nicolas M van Mieghem, Roberto Diletti
AIMS: Bioresorbable vascular scaffolds (BVS) represent a novel therapeutic option for the treatment of coronary artery diseases. The objective of this study is to evaluate the feasibility of BVS implantation in complex chronic total occlusions (CTO). METHODS AND RESULTS: The present report is a multi-centre registry evaluating results after BVS deployment in challenging CTO lesions defined as J-CTO score≥2 (difficult or very difficult). A total of 105 patients were included in the present analysis...
February 21, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28216938/endogenous-endophthalmitis-as-a-septic-complication-postureteroscope-candiduria
#18
Fam Xeng Inn, Umi Kalthum Md Noh, Mohd Hafidzul Jasman
Ureteroscopy (URS) is commonly used by urologists to treat ureteral stones. It is a relatively low-risk procedure. Both urinary tract obstruction and contamination of instrument can cause candiduria post-URS, and this infection can be treated with an antifungal medication. Candidemia is known as hematogenous dissemination, and ocular tissue is a common invasion. However, endogenous endophthalmitis, due to postureteroscope candiduria, has not been reported up to date. This is a devastating complication that may lead to visual loss...
January 2017: Urology Annals
https://www.readbyqxmd.com/read/28193027/fluorescence-imaging-of-intracellular-telomerase-activity-using-enzyme-free-signal-amplification
#19
Min Hong, Lidan Xu, Qingwang Xue, Lu Li, Bo Tang
A novel enzyme-free signal amplification-based assay for highly sensitive in situ fluorescence imaging and detection of intracellular telomerase activity was developed by using a gold nanoflare probe-triggered mimic-hybridization chain reaction (mimic-HCR) coupled with a graphene oxide (GO) surface-anchored fluorescence signal readout pathway. The nanoflare probe consists of gold nanoparticles (AuNPs) functionalized with a dense shell of nucleic acid sequences by Au-S bond formation. The nucleic acid sequence is composed of three segments: a long thiol-labeled sequence (HS-DNA) and two short sequences (a telomerase primer sequence, "Primer-DNA", and an FAM-terminated reporter sequence, "Flare-DNA"), both of which are complementary to HS-DNA...
December 20, 2016: Analytical Chemistry
https://www.readbyqxmd.com/read/28190655/development-of-helix-stabilized-cell-penetrating-peptides-containing-cationic-%C3%AE-%C3%AE-disubstituted-amino-acids-as-helical-promoters
#20
Hiroko Yamashita, Takashi Misawa, Makoto Oba, Masakazu Tanaka, Mikihiko Naito, Masaaki Kurihara, Yosuke Demizu
Cell-penetrating peptides (CPP) have attracted many scientists' attention as intracellular delivery tools due to their high cargo molecule transportation efficiency and low cytotoxicity. Therefore, in many research fields CPP, such as HIV-Tat and oligoarginine (Rn), are used to deliver hydrophilic drugs and biomolecules, including proteins, DNA, and RNA. We designed four types of CPP that contained cationic α,α-disubstituted amino acids (Api(C2Gu) and Api(C4Gu)) as helical promoters; i.e., 1-4 [FAM-β-Ala-(l-Arg-l-Arg-Xaa)3-(Gly)3-NH2 (1: Xaa=Api(C2Gu), 2: Xaa=Api(C4Gu)), 3: FAM-β-Ala-(l-Arg)8-Api(C2Gu)-(Gly)3-NH2, and 4: FAM-β-Ala-(l-Arg)5-Api(C2Gu)-(l-Arg)2-Api(C2Gu)-(Gly)3-NH2], and investigated their preferred secondary structures and cell membrane-penetrating ability...
February 1, 2017: Bioorganic & Medicinal Chemistry
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