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https://www.readbyqxmd.com/read/28531295/right-ventricular-vascular-coupling-in-heart-failure-with-preserved-ejection-fraction-and-pre-vs-post-capillary-pulmonary-hypertension
#1
Thomas M Gorter, Dirk J van Veldhuisen, Adriaan A Voors, Yoran M Hummel, Carolyn S P Lam, Rolf M F Berger, Joost P van Melle, Elke S Hoendermis
Aims: Many patients with heart failure with preserved ejection fraction (HFpEF) develop post-capillary pulmonary hypertension (PH) due to increased left-sided filling pressures. However, a subset of patients develops combined post- and pre-capillary PH. We studied the value of echocardiographic right-sided characterization for the discrimination between pre- vs. post-capillary PH in HFpEF, using invasive haemodynamics as gold standard. Methods and results: 102 consecutive HFpEF patients with simultaneous right heart catheterization and echocardiography were identified...
May 22, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28530615/accumulation-of-primary-and-secondary-metabolites-in-edible-jackfruit-seed-tissues-and-scavenging-of-reactive-nitrogen-species
#2
Fátima Fernandes, Federico Ferreres, Angel Gil-Izquierdo, Andreia P Oliveira, Patrícia Valentão, Paula B Andrade
Studies involving jackfruit tree (Artocarpus heterophyllus Lam.) focus on its fruit. Nevertheless a considerable part of jackfruit weight is represented by its seeds. Despite being consumed in several countries, knowledge about the chemical composition of these seeds is scarce. In this work, the accumulation of primary and secondary metabolites in jackfruit seed kernel and seed coating membrane was studied. Sixty-seven compounds were identified, sixty of them being reported for the first time in jackfruit seed...
October 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28530391/single-bead-quantification-of-peptide-loading-distribution-for-one-bead-one-compound-library-synthesis-using-confocal-raman-spectroscopy
#3
Yuchen Tang, Yann Thillier, Ruiwu Liu, Xiaocen Li, Kit S Lam, Tingjuan Gao
We report an analytical method to determine peptide loading of "one-bead one-compound" (OBOC) combinatorial peptide libraries at single-bead level. The quantification is based on a linear relationship between the amount of N-terminal amino groups on individual peptide beads and the intensity of Raman signal obtained from a specifically designed reporter labeled on amino groups. Confocal Raman spectroscopy was employed to characterize peptide loading of beads with defined peptide sequences and from OBOC combinatorial peptide libraries...
May 22, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28530238/micrornas-146a-b-5-and-425-3p-and-24-3p-are-markers-of-antidepressant-response-and-regulate-mapk-wnt-system-genes
#4
Juan Pablo Lopez, Laura M Fiori, Cristiana Cruceanu, Rixing Lin, Benoit Labonte, Hannah M Cates, Elizabeth A Heller, Vincent Vialou, Stacy M Ku, Christophe Gerald, Ming-Hu Han, Jane Foster, Benicio N Frey, Claudio N Soares, Daniel J Müller, Faranak Farzan, Francesco Leri, Glenda M MacQueen, Harriet Feilotter, Kathrin Tyryshkin, Kenneth R Evans, Peter Giacobbe, Pierre Blier, Raymond W Lam, Roumen Milev, Sagar V Parikh, Susan Rotzinger, Steven C Strother, Cathryn M Lewis, Katherine J Aitchison, Gayle M Wittenberg, Naguib Mechawar, Eric J Nestler, Rudolf Uher, Sidney H Kennedy, Gustavo Turecki
Antidepressants (ADs) are the most common treatment for major depressive disorder (MDD). However, only ∼30% of patients experience adequate response after a single AD trial, and this variability remains poorly understood. Here, we investigated microRNAs (miRNAs) as biomarkers of AD response using small RNA-sequencing in paired samples from MDD patients enrolled in a large, randomized placebo-controlled trial of duloxetine collected before and 8 weeks after treatment. Our results revealed differential expression of miR-146a-5p, miR-146b-5p, miR-425-3p and miR-24-3p according to treatment response...
May 22, 2017: Nature Communications
https://www.readbyqxmd.com/read/28530044/a-review-of-transition-experiences-in-perinatally-and-behaviourally-acquired-hiv-1-infection-same-same-but-different
#5
Phung Khanh Lam, Sarah Fidler, Caroline Foster
INTRODUCTION: Despite sharing common psychosocial and developmental experiences, adolescents living with perinatally and behaviourally acquired HIV-1 infection are different in terms of timing of HIV infection and developmental stage at infection. Therefore, it is of interest to identify similarities and differences between these two groups of adolescents living with HIV in their experiences, facilitators and barriers during the transition process. METHODS: A detailed literature search of peer-reviewed published papers was conducted on PubMed to identify relevant original research or viewpoints published up to September 2016...
May 16, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28528811/ability-of-a-genomic-classifier-to-predict-metastasis-and-prostate-cancer-specific-mortality-after-radiation-or-surgery-based-on-needle-biopsy-specimens
#6
Paul L Nguyen, Zaid Haddad, Ashley E Ross, Neil E Martin, Samineh Deheshi, Lucia L C Lam, Jijumon Chelliserry, Jeffrey J Tosoian, Tamara L Lotan, Daniel E Spratt, Radka S Stoyanova, Sanoj Punnen, Kaye Ong, Christine Buerki, Maria Aranes, Tyler Kolisnik, Jennifer Margrave, Kasra Yousefi, Voleak Choeurng, Elai Davicioni, Bruce J Trock, Christopher J Kane, Alan Pollack, John W Davis, Felix Y Feng, Eric A Klein
BACKGROUND: Decipher is a validated genomic classifier developed to determine the biological potential for metastasis after radical prostatectomy (RP). OBJECTIVE: To evaluate the ability of biopsy Decipher to predict metastasis and Prostate cancer-specific mortality (PCSM) in primarily intermediate- to high-risk patients treated with RP or radiation therapy (RT). DESIGN, SETTING, AND PARTICIPANTS: Two hundred and thirty-five patients treated with either RP (n=105) or RT±androgen deprivation therapy (n=130) with available genomic expression profiles generated from diagnostic biopsy specimens from seven tertiary referral centers...
May 18, 2017: European Urology
https://www.readbyqxmd.com/read/28527518/effectiveness-of-treatments-for-medication-related-osteonecrosis-of%C3%A2-the-jaw-a-systematic-review-and-meta-analysis
#7
REVIEW
Mohamed El-Rabbany, Adam Sgro, David K Lam, Prakeshkumar S Shah, Amir Azarpazhooh
BACKGROUND: The effectiveness of management strategies used for the treatment of medication-related osteonecrosis of the jaw (MRONJ) remains poorly understood. The authors evaluated systematically the effectiveness of the various treatment modalities used for MRONJ. TYPES OF STUDIES REVIEWED: The authors conducted a comprehensive search of MEDLINE, Embase, the Cochrane Library, and Scopus to identify randomized controlled trials, nonrandomized controlled trials, and prospective cohort studies to evaluate comparatively the effectiveness of management strategies for the treatment of MRONJ...
May 18, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28527407/mechanisms-of-resistance-to-systemic-therapy-in-metastatic-castration-resistant-prostate-cancer
#8
REVIEW
Giuseppe Galletti, Benjamin I Leach, Linda Lam, Scott T Tagawa
Patients with metastatic castration-resistant prostate cancer (mCPRC) now have an unprecedented number of approved treatment options, including chemotherapies (docetaxel, cabazitaxel), androgen receptor (AR)-targeted therapies (enzalutamide, abiraterone), a radioisotope (radium-223) and a cancer vaccine (sipuleucel-T). However, the optimal treatment sequencing pathway is unknown, and this problem is exacerbated by the issues of primary and acquired resistance. This review focuses on mechanisms of resistance to AR-targeted therapies and taxane-based chemotherapy...
May 8, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28527230/imaging-and-neuropsychological-correlates-of-white-matter-lesions-in-different-subtypes-of-mild-cognitive-impairment-a-systematic-review
#9
Charlene L M Lam, Jenny Yiend, Tatia M C Lee
BACKGROUND: White matter lesions (WML) are prevalent in older adults. The association between WML and cognition in different subtypes of Mild Cognitive Impairment (MCI) is inconsistent in the literature. OBJECTVES: We aim to provide a systematic review on the impact of WML in different subtypes of MCI, and discuss the recent findings on white matter plasticity. METHODS: We reviewed peer-reviewed articles from January 2011 to August 2016 and identified 12 studies investigating the association between WML and subtypes of MCI with both neuroimaging and cognitive measures...
May 13, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28527207/beyond-a-differential-diagnosis-cognitive-and-morphometric-decoding-of-information-processing-speed-in-senior-adults-with-dsm-5-mild-neurocognitive-disorders
#10
Hanna Lu, Sandra S M Chan, Ada W T Fung, Linda C W Lam
BACKGROUND: Processing speed has been highlighted as a diagnostic item for neurocognitive disorders (NCD) in DSM-5. The utility of information processing speed (IPS) enclosed with multiscale constructs in the diagnosis of NCD warrants exploration. OBJECTIVE: We aimed to investigate the IPS with two types of measurements in the patients with NCD due to vascular disease (NCD-vascular) and NCD due to Alzheimer's disease (NCD-AD), and examine the associations between IPS measures and morphometric features...
May 13, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28527139/exploration-of-an-innovative-draw-solution-for-a-forward-osmosis-membrane-distillation-desalination-process
#11
Nguyen Cong Nguyen, Shiao-Shing Chen, Shubham Jain, Hau Thi Nguyen, Saikat Sinha Ray, Huu Hao Ngo, Wenshan Guo, Ngoc Tuan Lam, Hung Cong Duong
Forward osmosis (FO) has emerged as a viable technology to alleviate the global water crisis. The greatest challenge facing the application of FO technology is the lack of an ideal draw solution with high water flux and low reverse salt flux. Hence, the objective of this study was to enhance FO by lowering reverse salt flux and maintaining high water flux; the method involved adding small concentrations of Al2(SO4)3 to a MgCl2 draw solution. Results showed that 0.5 M MgCl2 mixed with 0.05 M of Al2(SO4)3 at pH 6...
May 19, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28526881/biosorption-performance-of-encapsulated-candida-krusei-for-the-removal-of-copper-ii
#12
Chi Him Jim Luk, Joanne Yip, Chun Wah Marcus Yuen, Siu Kwong Pang, Kim Hung Lam, Chi Wai Kan
The use of microorganisms in biosorption is one of the most promising ways to remove trace amounts of heavy metal ions. Nevertheless, the enhancement of the successful removal of heavy metal ions by using different combinations of biosorbents is not generally guaranteed which leaves room to explore the application of the technique. In this study, the performance of free and immobilized forms of a yeast strain, Candida krusei (C. krusei), and calcium alginate (CaAlg) are evaluated for their ability to remove copper(II)...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28525728/response-to-letter-regarding-canmat-recommendations-for-the-pharmacological-treatment-of-late-life-depression
#13
Raymond W Lam, Zahinoor Ismail, Glenda M MacQueen, Roumen V Milev, Sagar V Parikh, Arun V Ravindran, Sidney H Kennedy
No abstract text is available yet for this article.
May 2017: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/28525294/the-cambia-sojourns-scholars-leadership-program-conversations-with-emerging-leaders-in-palliative-care
#14
Dulce M Cruz-Oliver, Rachelle Bernacki, Zara Cooper, Corita Grudzen, Seiko Izumi, Deborah Lafond, Daniel Lam, Thomas W LeBlanc, Jennifer Tjia, Jennifer Walter
BACKGROUND: There is a pressing workforce shortage and leadership scarcity in palliative care to adequately meet the demands of individuals with serious illness and their families. To address this gap, the Cambia Health Foundation launched its Sojourns Scholars Leadership Program in 2014, an initiative designed to identify, cultivate, and advance the next generation of palliative care leaders. This report intends to summarize the second cohort of Sojourns Scholars' projects and their reflection on their leadership needs...
May 19, 2017: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/28523779/arylative-intramolecular-allylation-of-ketones-with-1-3-enynes-enabled-by-catalytic-alkenyl-to-allyl-1-4-rhodium-i-migration
#15
Benjamin M Partridge, Michael Callingham, William Lewis, Hon Wai Lam
Alkenyl-to-allyl 1,4-rhodium(I) migration enables the generation of nucleophilic allylrhodium(I) species by remote C-H activation. This new mode of reactivity was employed in the diastereoselective reaction of arylboron reagents with substrates containing a 1,3-enyne tethered to a ketone, to give products containing three contiguous stereocenters. The products can be obtained in high enantioselectivities using a chiral sulfur-alkene ligand.
May 19, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28521765/inhibition-of-o-glcnacase-leads-to-elevation-of-o-glcnac-tau-and-reduction-of-tauopathy-and-cerebrospinal-fluid-tau-in-rtg4510-mice
#16
Nicholas B Hastings, Xiaohai Wang, Lixin Song, Brent D Butts, Diane Grotz, Richard Hargreaves, J Fred Hess, Kwok-Lam Karen Hong, Cathy Ruey-Ruey Huang, Lynn Hyde, Maureen Laverty, Julie Lee, Diane Levitan, Sherry X Lu, Maureen Maguire, Veeravan Mahadomrongkul, Ernest J McEachern, Xuesong Ouyang, Thomas W Rosahl, Harold Selnick, Michaela Stanton, Giuseppe Terracina, David J Vocadlo, Ganfeng Wang, Joseph L Duffy, Eric M Parker, Lili Zhang
BACKGROUND: Hyperphosphorylation of microtubule-associated protein tau is a distinct feature of neurofibrillary tangles (NFTs) that are the hallmark of neurodegenerative tauopathies. O-GlcNAcylation is a lesser known post-translational modification of tau that involves the addition of N-acetylglucosamine onto serine and threonine residues. Inhibition of O-GlcNAcase (OGA), the enzyme responsible for the removal of O-GlcNAc modification, has been shown to reduce tau pathology in several transgenic models...
May 18, 2017: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/28521760/avian-influenza-a-h7n9-risk-perception-information-trust-and-adoption-of-protective-behaviours-among-poultry-farmers-in-jiangsu-province-china
#17
Bin Cui, Qiuyan Liao, Wendy Wing Tak Lam, Zong Ping Liu, Richard Fielding
BACKGROUND: Poultry farmers are at high-risk from avian influenza A/H7N9 infection due to sustained occupational exposures to live poultry. This study examined factors associated with poultry farmers' adoption of personal protective behaviours (PPBs) based on Protection Motivation Theory (PMT). METHODS: Totally, 297 poultry farmers in three cities of Jiangsu Province, China were interviewed during November 2013-January 2014. Data on PMT constructs, perceived trustworthiness of A/H7N9 information from mass media (formal sources), friends and family (informal sources), intention to adopt and actual adoption of PPBs and respondents' demographics were collected...
May 18, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28520919/association-of-interactive-reminders-and-automated-messages-with-persistent-adherence-to-colorectal-cancer-screening-a-randomized-clinical-trial
#18
Martin C S Wong, Jessica Y L Ching, Thomas Y T Lam, Simpson K C Ng, John C T Wong, Justin C Y Wu, Francis K L Chan
No abstract text is available yet for this article.
May 18, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28520639/wrinkled-vascularized-retinal-pigment-epithelium-detachment-prognosis-after-intravitreal-anti-vegf-therapy
#19
Delphine Lam, Oudy Semoun, Rocio Blanco-Garavito, Camille Jung, Diem T Nguyen, Eric H Souied, Gerard Mimoun
BACKGROUND/PURPOSE: Neovascular age-related macular degeneration (nAMD) is frequently associated with vascularized pigment epithelial detachment (v-PED). We observed a peculiar characteristic of v-PED characterized by small lacy folds of the retinal pigment epithelium, appearing as a wrinkled PED (w-PED) on spectral domain optical coherence tomography (SD-OCT). Our purpose was to describe the visual prognosis and number of intravitreal injections in w-PED compared with non-w-PED. METHODS: In this retrospective, case-control series, we reviewed retrospectively medical records of 52 eyes of 51 patients who were consecutively included between November 1 and 30, 2015 with a previous minimum 3-year follow-up...
May 16, 2017: Retina
https://www.readbyqxmd.com/read/28517940/thermal-decomposition-of-potential-ester-biofuels-part-i-methyl-acetate-and-methyl-butanoate
#20
Jessica P Porterfield, David H Bross, Branko Ruscic, James H Thorpe, Thanh Lam Nguyen, Joshua H Baraban, John F Stanton, John W Daily, G Barney Ellison
Two methyl esters have been examined as models for the pyrolysis of biofuels. Dilute samples (0.06 - 0.13%) of methyl acetate (CH3COOCH3) and methyl butanoate (CH3CH2CH2COOCH3) were entrained in (He, Ar) carrier gas and decomposed in a set of flash-pyrolysis micro-reactors. The pyrolysis products resulting from the methyl esters were detected and identified by vacuum ultraviolet photoionization mass spectrometry. Complementary product identification was provided by matrix infrared absorption spectroscopy. Pyrolysis pressures in the pulsed micro-reactor were roughly 20 Torr and residence times through the reactors were approximately 25 - 150 µs...
May 18, 2017: Journal of Physical Chemistry. A
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