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https://www.readbyqxmd.com/read/27911900/clinical-and-pharmacological-investigation-of-myotoxicity-in-sri-lankan-russell-s-viper-daboia-russelii-envenoming
#1
Anjana Silva, Christopher Johnston, Sanjaya Kuruppu, Daniela Kneisz, Kalana Maduwage, Oded Kleifeld, A Ian Smith, Sisira Siribaddana, Nicholas A Buckley, Wayne C Hodgson, Geoffrey K Isbister
BACKGROUND: Sri Lankan Russell's viper (Daboia russelii) envenoming is reported to cause myotoxicity and neurotoxicity, which are different to the effects of envenoming by most other populations of Russell's vipers. This study aimed to investigate evidence of myotoxicity in Russell's viper envenoming, response to antivenom and the toxins responsible for myotoxicity. METHODOLOGY AND FINDINGS: Clinical features of myotoxicity were assessed in authenticated Russell's viper bite patients admitted to a Sri Lankan teaching hospital...
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27910773/giant-oyster-mushroom-pleurotus-giganteus-agaricomycetes-enhances-adipocyte-differentiation-and-glucose-uptake-via-activation-of-ppar%C3%AE-and-glucose-transporters-1-and-4-in-3t3-l1-cells
#2
Puvaneswari Paravamsivam, Chua Kek Heng, Sri Nurestri Abdul Malek, Vikineswary Sabaratnam, Ravishankar Ram M, Umah Rani Kuppusamy
The edible mushroom Pleurotus giganteus was tested for its effect on adipocyte differentiation and glucose uptake activity in 3T3-L1 cells. The basidiocarps of P. giganteus were soaked in methanol to obtain a crude methanol extract and then fractionated to obtain an ethyl acetate extract. In this study, cell proliferation was measured using an MTT assay, lipid accumulation using an Oil Red O assay, and glucose uptake using a fluorescence glucose uptake assay. Gene expression was measured via real-time polymerase chain reaction analysis with TaqMan primer...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27909833/verification-of-a-virtual-fields-method-to-extract-the-mechanical-properties-of-human-optic-nerve-head-tissues-in-vivo
#3
Liang Zhang, Sri Gowtham Thakku, Meghna R Beotra, Mani Baskaran, Tin Aung, James C H Goh, Nicholas G Strouthidis, Michael J A Girard
We aimed to verify a custom virtual fields method (VFM) to estimate the patient-specific biomechanical properties of human optic nerve head (ONH) tissues, given their full-field deformations induced by intraocular pressure (IOP). To verify the accuracy of VFM, we first generated 'artificial' ONH displacements from predetermined (known) ONH tissue biomechanical properties using finite element analysis. Using such deformations, if we are able to match back the known biomechanical properties, it would indicate that our VFM technique is accurate...
December 1, 2016: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/27908426/environmental-exposures-of-trace-elements-assessed-using-keratinized-matrices-from-patients-with-chronic-kidney-diseases-of-uncertain-etiology-ckdu-in-sri-lanka
#4
Saranga Diyabalanage, Sanjeewani Fonseka, D M S N B Dasanayake, Rohana Chandrajith
An alarming increase in chronic kidney disease with unknown etiology (CKDu) has recently been reported in several provinces in Sri Lanka and chronic exposures to toxic trace elements were blamed for the etiology of this disease. Keratinized matrices such as hair and nails were investigated to determine the possible link between CKDu and toxic element exposures. Elements Li, B, Al, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Sr, Mo, Cd, Ba, Hg and Pb of hair and nails of patients and age that matched healthy controls were determined with Inductively Coupled Plasma Mass Spectrometry (ICP-MS)...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27905894/seroprevalence-of-bordetella-pertussis-specific-immunoglobulin-g-antibody-levels-among-asymptomatic-individuals-aged-4-to-24%C3%A2-years-a-descriptive-cross-sectional-study-from-sri-lanka
#5
Shamithra Sigera, Jennifer Perera, Jeyanthakumar Rasarathinam, Dulani Samaranayake, Dileepa Ediriweera
BACKGROUND: In Sri Lanka pertussis continues to circulate in the community and cases among adolescents and adults have been reported despite 95% coverage of the four dose pertussis vaccination during early childhood. Waning of immunity following natural infection or immunization may contribute to the persistent circulation. An adolescent booster dose is not included in the national immunization schedule of Sri Lanka, although this is routine practice in many countries. Therefore information on immunity to pertussis in the adolescent group is needed prior to considering vaccination schedule changes...
December 1, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27905471/evidence-of-genotypic-adaptation-to-the-exposure-to-volcanic-risk-at-the-dopamine-receptor-drd4-locus
#6
Charlotte Faurie, Clement Mettling, Mohamed Ali Bchir, Danang Sri Hadmoko, Carine Heitz, Evi Dwi Lestari, Michel Raymond, Marc Willinger
Humans have colonized and adapted to extremely diverse environments, and the genetic basis of some such adaptations, for example to high altitude, is understood. In some cases, local or regional variation in selection pressure could also cause behavioural adaptations. Numerous genes influence behaviour, such as alleles at the dopamine receptor locus D4 (DRD4), which are associated with attitude toward risk in experimental settings. We demonstrate genetic differentiation for this gene, but not for five unlinked microsatellite loci, between high- and low risk environments around Mount Merapi, an active volcano in Java, Indonesia...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27899069/gastric-dilatation-and-intestinal-obstruction-mimicking-acute-coronary-syndrome-with-dynamic-electrocardiographic-changes
#7
H M M T B Herath, Anne Thushara Matthias, B S D P Keragala, W A E Udeshika, Aruna Kulatunga
BACKGROUND: ST elevation myocardial infarction is a medical emergency and the electrocardiogram is a part of the mainstay in the initial diagnosis. A variety of non-cardiac conditions have been known to mimic the electrocardiographic changes seen in acute coronary syndrome. We present a patient presenting with acute partial intestinal obstruction causing gastric distension and intestinal dilatation who also had dynamic electrocardiographic changes, mimicking anterior ST elevation myocardial infarction...
November 29, 2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27897311/the-evolutionary-and-clinical-implications-of-the-uneven-distribution-of-the-frequency-of-the-inherited-haemoglobin-variants-over-short-geographical-distances
#8
Anuja Premawardhena, Angela Allen, Fred Piel, Chris Fisher, Laxman Perera, Rexan Rodrigo, Gayan Goonathilaka, Lebbe Ramees, Tim Peto, Nancy Olivieri, David Weatherall
Studies of the frequency of heterozygous carriers for common inherited diseases of haemoglobin in over 7500 adolescent children in 25 districts in Sri Lanka have disclosed a highly significant variation over very short geographical distances. A further analysis of these findings, including their relationship to the past frequency and distribution of malaria, climatic variation, altitude, ethnic origin and consanguinity rates, have provided evidence regarding the evolutionary basis for the variable distribution of these conditions over short distances...
November 29, 2016: British Journal of Haematology
https://www.readbyqxmd.com/read/27891343/expression-of-alpha-methylacyl-coa-racemase-amacr-in-gastric-adenocarcinoma-and-its-correlation-with-helicobacter-pylori-infection
#9
Yamini Jindal, Anshul Singh, Ravikant Kumar, Kachnar Varma, Vatsala Misra, Sri Prakash Misra, Manisha Dwivedi
INTRODUCTION: Gastric cancer develops in a multistep progression and is determined by genetic and environmental factors. Over-expression of Alpha Methylacyl CoA Racemase (AMACR) is useful in diagnosis of prostate cancer. There is plenty of genetic alteration that occurs in gastric adenocarcinoma. The present study was planned to determine if AMACR can be used as a diagnostic marker in gastric adenocarcinoma similar to prostate cancer. AIM: To study the expression of AMACR in gastric adenocarcinoma and correlate its expression with density of Helicobacter pylori...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27891306/forces-in-initial-archwires-during-leveling-and-aligning-an-in-vitro-study
#10
Rajesh Kumar Reddy, Pavan K Katari, Tarun T Bypureddy, Venkata Naga Sri Harsha Anumolu, Yenugupalli Kartheek, Nemala R V Sairam
AIM: This in-vitro study measured the force deflection behavior of selected initial alignment archwires by conducting three-point bending tests under controlled tests. The study tested three wire designs, namely, co-axial multistranded stainless steel wires, nickel-titanium, and copper-nickel-titanium archwires. MATERIALS AND METHODS: The archwires were ligated to a specially designed metal jig, simulating the arch. A testing machine (Instron) recorded activation and deactivation forces of different deflections at 37°C...
September 2016: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/27890305/capacity-building-for-critical-care-training-delivery-development-and-evaluation-of-the-network-for-improving-critical-care-skills-training-nicst-programme-in-sri-lanka
#11
Tim Stephens, A Pubudu De Silva, Abi Beane, John Welch, Chathurani Sigera, Sunil De Alwis, Priyantha Athapattu, Dilantha Dharmagunawardene, Lalitha Peiris, Somalatha Siriwardana, Ashoka Abeynayaka, Kosala Saroj Amarasena Jayasinghe, Palitha G Mahipala, Arjen Dondorp, Rashan Haniffa
OBJECTIVES: To deliver and evaluate a short critical care nurse training course whilst simultaneously building local training capacity. RESEARCH METHODOLOGY: A multi-modal short course for critical care nursing skills was delivered in seven training blocks, from 06/2013-11/2014. Each training block included a Train the Trainer programme. The project was evaluated using Kirkpatrick's Hierarchy of Learning. There was a graded hand over of responsibility for course delivery from overseas to local faculty between 2013 and 2014...
November 24, 2016: Intensive & Critical Care Nursing: the Official Journal of the British Association of Critical Care Nurses
https://www.readbyqxmd.com/read/27889926/nutritional-ecology-of-wild-bornean-orangutans-pongo-pygmaeus-wurmbii-in-a-peat-swamp-habitat-effects-of-age-sex-and-season
#12
Erin R Vogel, Shauhin E Alavi, Sri Suci Utami-Atmoko, Maria A van Noordwijk, Timothy D Bransford, Wendy M Erb, Astri Zulfa, Fransiska Sulistyo, Wartika Rosa Farida, Jessica M Rothman
: The spatial and temporal variation in food abundance has strong effects on wildlife feeding and nutrition. This variation is exemplified by the peatland forests of Central Kalimantan, which are characterized by unpredictable fruiting fluctuations, relatively low levels of fruit availability, and low fruit periods (<3% of trees fruiting) that can last nearly a year. Challenged by these environments, large, arboreal frugivores like orangutans must periodically rely on non-preferred, lower-quality foods to meet their nutritional needs...
November 27, 2016: American Journal of Primatology
https://www.readbyqxmd.com/read/27889419/validation-and-reliability-of-the-wisconsin-stone-quality-of-life-questionnaire
#13
Kristina L Penniston, Jodi A Antonelli, Davis P Viprakasit, Timothy D Averch, Sri Sivalingam, Roger L Sur, Vernon M Pais, Ben H Chew, Vincent G Bird, Stephen Y Nakada
INTRODUCTION: The Wisconsin Stone Quality of Life questionnaire (WISQOL) is a disease-specific, health-related quality of life (HRQOL) measure designed for patients who form kidney stones. The purpose of this study was to demonstrate the external and convergent validity of the WISQOL questionnaire and assess its psychometric properties. METHODS: The WISQOL creation site (development sample) and 8 geographically diverse centers in the United States and Canada (consortium sample) recruited patients with a history of kidney stones...
November 23, 2016: Journal of Urology
https://www.readbyqxmd.com/read/27887609/cytotoxic-effects-of-ergone-a-compound-isolated-from-fulviformes-fastuosus
#14
Dilusha Fernando, Achyut Adhikari, Chandrika Nanayakkara, E Dilip de Silva, Ravi Wijesundera, Preethi Soysa
BACKGROUND: Mushrooms inspired the cuisines of many cultures and conventional medicaments for cancer. However, a substantial number of mushroom species are yet unexplored, possessing an unknown chemical, biological and pharmacological profiles. Fulviformes fastuosus is a terrestrial mushroom, which is commonly found in Sri Lankan woodlands. The current study was aimed at isolation and characterization of a potent cytotoxic compound from F. fastuosus and investigating the apoptotic effect induced by the active principle against cancer and normal cell lines...
November 25, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27883199/hepcidin-detects-iron-deficiency-in-sri-lankan-adolescents-with-a-high-burden-of-hemoglobinopathy-a-diagnostic-test-accuracy-study
#15
Katherine Wray, Angela Allen, Emma Evans, Chris Fisher, Anuja Premawardhena, Lakshman Perera, Rexan Rodrigo, Gayan Goonathilaka, Lebbe Ramees, Craig Webster, Andrew E Armitage, Andrew M Prentice, David J Weatherall, Hal Drakesmith, Sant-Rayn Pasricha
Anemia affects over 800 million women and children globally. Measurement of hepcidin as an index of iron status shows promise, but its diagnostic performance where hemoglobinopathies are prevalent is unclear. We evaluated the performance of hepcidin as a diagnostic test of iron deficiency in adolescents across Sri Lanka. We selected 2273 samples from a nationally representative cross-sectional study of 7526 secondary schoolchildren across Sri Lanka and analyzed associations between hepcidin and participant characteristics, iron indices, inflammatory markers and hemoglobinopathy states...
November 24, 2016: American Journal of Hematology
https://www.readbyqxmd.com/read/27881112/photoprotective-potential-in-some-medicinal-plants-used-to-treat-skin-diseases-in-sri-lanka
#16
Mayuri Tharanga Napagoda, Benthota Malavi Arachchige Shamila Malkanthi, Subasinghe Appuhamillage Kaumudi Abayawardana, Mohomed Mallique Qader, Lalith Jayasinghe
BACKGROUND: The constant exposure to solar ultraviolet radiation (UV) has a variety of harmful effects on human health. Although synthetic sunscreen products have been introduced as a preventive/therapeutic strategy, with the realization of their adverse side effects, the recent trend is to search for human friendly alternative formulations especially of plant origin. Therefore, the present study focuses on evaluation of photoprotective activity of aqueous extracts (1 mg/ml) of eleven medicinal plants in Sri Lanka that have been widely employed in traditional medicine as treatment options for various skin diseases and to improve the complexion...
November 24, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27879153/polymeric-micelles-of-suberoylanilide-hydroxamic-acid-to-enhance-the-anticancer-potential-in-vitro-and-in-vivo
#17
Sri Vishnu Kiran Rompicharla, Prakruti Trivedi, Preeti Kumari, Pratyusha Ghanta, Balaram Ghosh, Swati Biswas
AIM: To improve the bioavailability and anticancer potential of suberoylanilide hydroxamic acid (SAHA) by developing a drug-loaded polymeric nanomicellar system. METHODS: SAHA-loaded Poly(ethylene glycol)-block-poly(caprolactone) (PEG-PCL) micelles were developed, and physico-chemically characterized. In vitro cellular uptake, viability and apoptosis-inducing ability of the SAHA-PEG-PCL micelles were investigated. In vivo anticancer activity was evaluated in C57BL/6 mice-bearing tumor...
November 23, 2016: Nanomedicine
https://www.readbyqxmd.com/read/27871786/ischemic-brain-infarcts-and-intracranial-haemorrhages-following-russell-s-viper-daboia-russelii-bite-in-sri-lanka
#18
R M M K Namal Rathnayaka, S A M Kularatne, K D M Kumarasinghe, Janaka Ranaweera, P E A Nishanthi Ranathunga
Snakebite is an important medical problem in Sri Lanka. Of the deadly venomous snakes, Russell's viper (Daboia russelii) is widely distributed and responsible for most of the fatalities of snakebite in the country. It is not uncommon to see atypical manifestations in Russell's viper bite. We report the events of intracranial haemorrhages and multiple ischemic brain infarcts following Russell's viper (Daboia russelii) bite of a previously healthy 43-years-old male who succumbed to envenoming.
November 18, 2016: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/27871776/life-cycle-of-spinose-ear-tick-otobius-megnini-acari-argasidae-infesting-the-race-horses-in-nuwara-eliya-sri-lanka
#19
G C P Diyes, R S Rajakaruna
Otobius megnini infests mainly domesticated and wild animals and occasionally humans. It has been identified as an agent of human and horse otoacariasis in Sri Lanka. The number of nymphal stages in the life cycle of O. megnini varies from one to three in different geographic regions. The present study determined the life cycle of O. megnini infesting the racehorses in Nuwara Eliya. A tick colony was initiated from fully engorged nymphs collected from horses and maintained at 10°C, 22°C and 28°C. Immature stages were reared on New Zealand rabbits...
November 18, 2016: Acta Tropica
https://www.readbyqxmd.com/read/27871269/institutionalizing-postpartum-intrauterine-device-iud-services-in-sri-lanka-tanzania-and-nepal-study-protocol-for-a-cluster-randomized-stepped-wedge-trial
#20
David Canning, Iqbal H Shah, Erin Pearson, Elina Pradhan, Mahesh Karra, Leigh Senderowicz, Till Bärnighausen, Donna Spiegelman, Ana Langer
BACKGROUND: During the year following the birth of a child, 40% of women are estimated to have an unmet need for contraception. The copper IUD provides safe, effective, convenient, and long-term contraceptive protection that does not interfere with breastfeeding during the postpartum period. Postpartum IUD (PPIUD) insertion should be performed by a trained provider in the early postpartum period to reduce expulsion rates and complications, but these services are not widely available. The International Federation of Obstetricians and Gynecologists (FIGO) will implement an intervention that aims to institutionalize PPIUD training as a regular part of the OB/GYN training program and to integrate it as part of the standard practice at the time of delivery in intervention hospitals...
November 21, 2016: BMC Pregnancy and Childbirth
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