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https://www.readbyqxmd.com/read/28324842/phenotypical-physiological-and-biochemical-analyses-provide-insight-into-selenium-induced-phytotoxicity-in-rice-plants
#1
Mohammad Golam Mostofa, Mohammad Anwar Hossain, Md Nurealam Siddiqui, Masayuki Fujita, Lam-Son Phan Tran
The present study investigated the phenotypical, physiological and biochemical changes of rice plants exposed to high selenium (Se) concentrations to gain an insight into Se-induced phytotoxicity. Results showed that exposure of rice plants to excessive Se resulted in growth retardation and biomass reduction in connection with the decreased levels of chlorophyll, carotenoids and soluble proteins. The reduced water status and an associated increase in sugar and proline levels indicated Se-induced osmotic stress in rice plants...
March 11, 2017: Chemosphere
https://www.readbyqxmd.com/read/28324091/association-between-dabigatran-vs-warfarin-and-risk-of-osteoporotic-fractures-among-patients-with-nonvalvular-atrial-fibrillation
#2
Wallis C Y Lau, Esther W Chan, Ching-Lung Cheung, Chor Wing Sing, Kenneth K C Man, Gregory Y H Lip, Chung-Wah Siu, Joanne K Y Lam, Alan C H Lee, Ian C K Wong
Importance: The risk of osteoporotic fracture with dabigatran use in patients with nonvalvular atrial fibrillation (NVAF) is unknown. Objective: To investigate the risk of osteoporotic fracture with dabigatran vs warfarin in patients with NVAF. Design, Setting, and Participants: Retrospective cohort study using a population-wide database managed by the Hong Kong Hospital Authority. Patients newly diagnosed with NVAF from 2010 through 2014 and prescribed dabigatran or warfarin were matched by propensity score at a 1:2 ratio with follow-up until July 31, 2016...
March 21, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28323942/incretin-therapies-do-not-expand-%C3%AE-cell-mass-or-alter-pancreatic-histology-in-young-male-mice
#3
Aaron R Cox, Carol J Lam, Matthew M Rankin, Jacqueline S Rios, Julia Chavez, Claire W Bonnyman, Kourtney B King, Roger A Wells, Deepti Anthony, Justin X Tu, Jenny J Kim, Changhong Li, Jake A Kushner
The impact of incretins upon pancreatic β-cell expansion remains extremely controversial. Multiple studies indicate that incretin-based therapies can increase β-cell proliferation, and incretins have been hypothesized to expand β-cell mass. However, considerable disagreement exists on whether incretins actually increase β-cell mass. Moreover, some reports indicate that incretins may cause metaplastic changes in pancreatic histology. To resolve these questions we treated a large cohort of mice with incretin-based therapies and carried out a rigorous analysis of β-cell turnover and pancreatic histology using high-throughput imaging...
March 8, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323930/%C3%AE-cells-persist-in-t1d-pancreata-without-evidence-for-ongoing-%C3%AE-cell-turnover-or-neogenesis
#4
Carol J Lam, Daniel R Jacobson, Matthew M Rankin, Aaron R Cox, Jake A Kushner
Context: The cellular basis of persistent β-cell function in T1D remains enigmatic. No extensive quantitative β-cell studies of T1D pancreata have been performed to test for ongoing β-cell regeneration or neogenesis. Objective: We sought to determine the mechanism of β-cell persistence in T1D pancreata. Design: We studied T1D (n=47) and non-diabetic control (n=59) pancreata over a wide range of ages from the JDRF Network of Pancreatic Organ donors with Diabetes (nPOD) via high throughput microscopy...
February 27, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28323832/age-related-cognitive-decline-and-associations-with-sex-education-and-apolipoprotein-e-genotype-across-ethnocultural-groups-and-geographic-regions-a-collaborative-cohort-study
#5
Darren M Lipnicki, John D Crawford, Rajib Dutta, Anbupalam Thalamuthu, Nicole A Kochan, Gavin Andrews, M Fernanda Lima-Costa, Erico Castro-Costa, Carol Brayne, Fiona E Matthews, Blossom C M Stephan, Richard B Lipton, Mindy J Katz, Karen Ritchie, Jacqueline Scali, Marie-Laure Ancelin, Nikolaos Scarmeas, Mary Yannakoulia, Efthimios Dardiotis, Linda C W Lam, Candy H Y Wong, Ada W T Fung, Antonio Guaita, Roberta Vaccaro, Annalisa Davin, Ki Woong Kim, Ji Won Han, Tae Hui Kim, Kaarin J Anstey, Nicolas Cherbuin, Peter Butterworth, Marcia Scazufca, Shuzo Kumagai, Sanmei Chen, Kenji Narazaki, Tze Pin Ng, Qi Gao, Simone Reppermund, Henry Brodaty, Antonio Lobo, Raúl Lopez-Anton, Javier Santabárbara, Perminder S Sachdev
BACKGROUND: The prevalence of dementia varies around the world, potentially contributed to by international differences in rates of age-related cognitive decline. Our primary goal was to investigate how rates of age-related decline in cognitive test performance varied among international cohort studies of cognitive aging. We also determined the extent to which sex, educational attainment, and apolipoprotein E ε4 allele (APOE*4) carrier status were associated with decline. METHODS AND FINDINGS: We harmonized longitudinal data for 14 cohorts from 12 countries (Australia, Brazil, France, Greece, Hong Kong, Italy, Japan, Singapore, Spain, South Korea, United Kingdom, United States), for a total of 42,170 individuals aged 54-105 y (42% male), including 3...
March 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28319160/psychometric-assessment-of-the-chinese-version-of-the-brief-illness-perception-questionnaire-in-breast-cancer-survivors
#6
Na Zhang, Richard Fielding, Inda Soong, Karen K K Chan, Conrad Lee, Alice Ng, Wing Kin Sze, Janice Tsang, Victor Lee, Wendy Wing Tak Lam
OBJECTIVE: The eight-item Brief Illness Perception Questionnaire (B-IPQ) supposedly evaluates cognitive and emotional representations of illness. This study examined the validity and reliability of a traditional Chinese version of the B-IPQ in Hong Kong Chinese breast cancer survivors. METHODS: 358 Chinese breast cancer survivors who had recently ended their primary treatment completed this B-IPQ Chinese version. Confirmatory factor analysis (CFA) tested the factor structure...
2017: PloS One
https://www.readbyqxmd.com/read/28319106/a-systematic-review-on-the-impact-of-diabetes-mellitus-on-the-ocular-surface
#7
REVIEW
K Co Shih, K S-L Lam, L Tong
Diabetes mellitus is associated with extensive morbidity and mortality in any human community. It is well understood that the burden of diabetes is attributed to chronic progressive damage in major end-organs, but it is underappreciated that the most superficial and transparent organ affected by diabetes is the cornea. Different corneal components (epithelium, nerves, immune cells and endothelium) underpin specific systemic complications of diabetes. Just as diabetic retinopathy is a marker of more generalized microvascular disease, corneal nerve changes can predict peripheral and autonomic neuropathy, providing a window of opportunity for early treatment...
March 20, 2017: Nutrition & Diabetes
https://www.readbyqxmd.com/read/28318358/assessing-abnormal-uterine-bleeding-are-physicians-taking-a-meaningful-clinical-history
#8
Christina Lam, Britta Anderson, Vrishali Lopes, Jay Schulkin, Kristen Matteson
INTRODUCTION: Women with abnormal uterine bleeding (AUB) report significant reductions in quality of life (QOL), which can be attributed in many cases to the fear of embarrassing episodes of bleeding. We performed this study to determine whether or not during clinical encounters physicians addressed the impact of AUB on patient-reported QOL. MATERIALS AND METHODS: Between October 2008 and May 2009, we conducted a cross-sectional study of members of the American College of Obstetricians and Gynecologists...
March 20, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28317799/a-first-insight-into-the-genetic-diversity-of-mycobacterium-tuberculosis-in-veracruz-mexico
#9
Raquel Almaraz-Velasco, Daniela Munro-Rojas, Javier Fuentes-Domínguez, Raquel Muñiz-Salazar, Maria Angélica Ibarra-Estela, Alma Delia Guevara-Méndez, Rosa Icela Chaparro-Martinez, Monserrat Perez-Navarro, Roberto Zenteno-Cuevas
OBJECTIVE/BACKGROUND: Tuberculosis (TB) remains one of the most important infectious diseases. Although Mexico is one of the Latin American countries with the largest contribution to these statistics, there are few reports that describe the genotypic characteristics of TB. The aim of this study was to use the MIRU-VNTR-24 loci to analyze the genetic diversity of M. tuberculosis circulating in the state of Veracruz, Mexico. METHODS: Here, we analyze by MIRU-VNTR-24 loci 80 clinical isolates from individuals with confirmed TB from Veracruz México, also clinical and epidemiological variables were recovered and analyzed...
January 2017: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28317583/the-diagnostic-performance-of-18-f-fdg-pet-ct-ct-and-mri-in-the-treatment-evaluation-of-ablation-therapy-for-colorectal-liver-metastases-a-systematic-review-and-meta-analysis
#10
REVIEW
M Samim, I Q Molenaar, M F J Seesing, P S N van Rossum, M A A J van den Bosch, T J M Ruers, I H M Borel Rinkes, R van Hillegersberg, M G E H Lam, H M Verkooijen
PURPOSE: Uncertainty exists regarding the optimal imaging modality for timely detection of disease progression (DP) after ablation therapy for colorectal liver metastases. We evaluated the diagnostic accuracy of (18)F-FDG PET(/CT), CT and MRI for detection of DP following ablation therapy. METHODS: A systematic search was performed on May 18, 2016. The analysis included studies that reported on the diagnostic accuracy of (18)F-FDG PET(/CT), CT and/or MRI for post-ablative evaluation of patients with liver metastases...
March 2017: Surgical Oncology
https://www.readbyqxmd.com/read/28316959/comparative-study-of-peripheral-rim-fixation-using-jumbo-cup-in-revisional-hip-arthroplasty
#11
Woo-Lam Jo, Young-Wook Lim, Jin-Hyung Im, Seung-Chan Kim, Soon-Yong Kwon, Yong-Sik Kim
PURPOSE: It is challenging procedure to revise acetabular component in acetabulum with severe bone defect or deformity. The jumbo cup is good option for revisional arthroplasty in large bone defect. The purpose of this study is to compare the prognosis of revisional total hip arthroplasty using jumbo cup with peripheral rim fixation and no rim fixation. MATERIALS AND METHODS: We included the patients who had performed acetabular revisional total hip arthroplasty from January 2002 to March 2015 in our institute...
March 2017: Hip & Pelvis
https://www.readbyqxmd.com/read/28315615/mir155-regulation-of-ubiquilin1-and-ubiquilin2-implications-in-cellular-protection-and-tumorigenesis
#12
Sanjay Yadav, Nishant Singh, Parag P Shah, David A Rowbotham, Danial Malik, Ankita Srivastav, Jai Shankar, Wan L Lam, William W Lockwood, Levi J Beverly
Ubiquilin (UBQLN) proteins are adaptors thought to link ubiquitinated proteins to the proteasome. However, our lab has recently reported a previously unappreciated role for loss of UBQLN in lung cancer progression. In fact, UBQLN genes are lost in over 50% of lung cancer samples examined. However, a reason for the loss of UBQLN has not been proposed, nor has a selective pressure that could lead to deletion of UBQLN been reported. Diesel Exhaust Particles (DEP) are a major concern in the large cities of developing nations and DEP exposed populations are at an increased risk of developing a number of illnesses, including lung cancer...
March 15, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28315575/systematic-review-on-the-cost-effectiveness-of-self-management-education-programme-for-type-2-diabetes-mellitus
#13
REVIEW
J X Lian, S M McGhee, J Chau, Carlos K H Wong, Cindy L K Lam, William C W Wong
OBJECTIVES: A review of cost-effectiveness studies on self-management education programmes for Type 2 diabetes mellitus. METHODS: Cochrane, PubMed and PsycINFO databases were searched for papers published from January 2003 through September 2015. Further hand searching using the reference lists of included papers was carried out. RESULTS: In total, 777 papers were identified and 12 papers were finally included. We found eight programmes whose effectiveness analyses were based on randomised controlled trials and whose costs were comprehensively estimated from the stated perspective...
February 22, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28314770/cribriform-morular-variant-of-papillary-thyroid-carcinoma-a-distinctive-type-of-thyroid-cancer
#14
REVIEW
Alfred King-Yin Lam, Nassim Saremi
The aim of this systematic review is to study the features of cribriform-morular variant of papillary thyroid carcinoma (CMV-PTC) by analysing the 129 documented cases in the English literature. The disease occurred almost exclusively in women. The median age of presentation for CMV-PTC was 24 years. Slightly over half of the patients with CMV-PTC had familial adenomatous polyposis (FAP). CMV-PTC presented before the colonic manifestations in approximately half of the patients with FAP. Patients with FAP often have multifocal tumours in the thyroid...
April 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28314703/factors-and-concerns-of-patients-that-influence-the-decision-for-spinal-surgery-and-implications-for-practice-a-review-of-literature
#15
REVIEW
William Wing-Kuen Lam, Alice Yuen Loke
STUDY DESIGN: A literature review. OBJECTIVES: To identify the factors and concerns that influence the decision of patients to undergo spinal surgery. METHODS: Electronic databases MEDLINE, PsycINFO, CINAHL plus, and Embase were searched for relevant studies published from 2000 to 2015. The keywords for the search included: spine surgery OR spinal stenosis AND decision making OR consideration OR preference OR willingness OR concern. Seven quantitative studies met the criteria for inclusion and were included in this review...
September 13, 2016: International Journal of Orthopaedic and Trauma Nursing
https://www.readbyqxmd.com/read/28314158/asparagus-decline-autotoxicity-and-autotoxic-compounds-in-asparagus-rhizomes
#16
Hisashi Kato-Noguchi, Keisuke Nakamura, Osamu Ohno, Kiyotake Suenaga, Nobuyuki Okuda
Asparagus (Asparagus officinalis L.) is a perennial vegetable, but its crop productivity and quality decrease gradually. One possible reason for "asparagus decline" is thought to be the autotoxicity of asparagus. However, the autotoxic property of asparagus rhizomes remains unknown. The objective of this study was to determine the potential role of rhizomes in the autotoxicity of asparagus. An aqueous methanol extract of asparagus rhizomes inhibited the growth of asparagus seedlings and six other test plants in a concentration-dependent manners: garden cress (Lepidum sativum L...
March 1, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28306526/a-simple-method-to-detect-biotin-interference-on-immunoassays
#17
Leo Lam, Campbell V Kyle
No abstract text is available yet for this article.
March 15, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28306342/nmr-based-plasma-metabolomic-discrimination-for-male-fertility-assessment-of-rats-treated-with-eurycoma-longifolia-extracts
#18
Forough Ebrahimi, Baharudin Ibrahim, Chin-Hoe Teh, Vikneswaran Murugaiyah, Kit-Lam Chan
Male infertility is one of the leading causes of infertility which affects many couples worldwide. Semen analysis is a routine examination of male fertility status which is usually performed on semen samples obtained through masturbation that may be inconvenient to patients. Eurycoma longifolia (Tongkat Ali, TA), native to Malaysia, has been traditionally used as a remedy to boost male fertility. In our recent studies in rats, upon the administration of high-quassinoid content extracts of TA including TA water (TAW), quassinoid-rich TA (TAQR) extracts, and a low-quassinoid content extract including quassinoid-poor TA (TAQP) extract, sperm count (SC) increased in TAW- and TAQR-treated rats when compared to the TAQP-treated and control groups...
March 17, 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/28306169/economic-burden-of-relapsed-or-refractory-multiple-myeloma-results-from-an-international-trial
#19
Don Robinson, Robert Z Orlowski, Michael Stokes, Jianming He, Samuel Huse, Abhishek Chitnis, Britte Kranenburg, Annette Lam
OBJECTIVE: The direct cost of relapsed or refractory multiple myeloma (RRMM) is documented; indirect costs are being explored. Healthcare payers seek cost offsets from therapies that improve clinical outcomes but challenge budgets; employers seek lower absenteeism and better productivity. Study goals were to: 1) Identify direct and indirect economic factors of RRMM and, 2) Explore longitudinal relationships between clinical, economic, and health-related quality of life (HRQoL) assessments...
March 17, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28303936/all-passive-pixel-super-resolution-of-time-stretch-imaging
#20
Antony C S Chan, Ho-Cheung Ng, Sharat C V Bogaraju, Hayden K H So, Edmund Y Lam, Kevin K Tsia
Based on image encoding in a serial-temporal format, optical time-stretch imaging entails a stringent requirement of state-of-the-art fast data acquisition unit in order to preserve high image resolution at an ultrahigh frame rate - hampering the widespread utilities of such technology. Here, we propose a pixel super-resolution (pixel-SR) technique tailored for time-stretch imaging that preserves pixel resolution at a relaxed sampling rate. It harnesses the subpixel shifts between image frames inherently introduced by asynchronous digital sampling of the continuous time-stretch imaging process...
March 17, 2017: Scientific Reports
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