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https://www.readbyqxmd.com/read/29145891/the-inuit-gut-microbiome-is-dynamic-over-time-and-shaped-by-traditional-foods
#1
Geneviève Dubois, Catherine Girard, François-Joseph Lapointe, B Jesse Shapiro
BACKGROUND: The human gut microbiome represents a diverse microbial community that varies across individuals and populations, and is influenced by factors such as host genetics and lifestyle. Diet is a major force shaping the gut microbiome, and the effects of dietary choices on microbiome composition are well documented. However, it remains poorly known how natural temporal variation in diet can affect the microbiome. The traditional Inuit diet is primarily based on animal products, which are thought to vary seasonally according to prey availability...
November 16, 2017: Microbiome
https://www.readbyqxmd.com/read/29140536/birth-outcomes-among-first-nations-inuit-and-m%C3%A3-tis-populations
#2
Amanda J Sheppard, Gabriel D Shapiro, Tracey Bushnik, Russell Wilkins, Serenity Perry, Jay S Kaufman, Michael S Kramer, Seungmi Yang
BACKGROUND: First Nations, Inuit, and Métis are at higher risk of adverse birth outcomes than are non-Indigenous people. However, relatively little perinatal information is available at the national level for Indigenous people overall or for specific identity groups. DATA AND METHODS: This analysis describes and compares rates of preterm birth, small-for-gestational-age birth, large-for-gestational-age birth, stillbirth, and infant mortality (neonatal, postneonatal, and cause-specific) in a nationally representative sample of First Nations, Inuit, Métis, and non-Indigenous births...
November 15, 2017: Health Reports
https://www.readbyqxmd.com/read/29132004/how-are-perceptions-associated-with-water-consumption-in-canadian-inuit-a-cross-sectional-survey-in-rigolet-labrador
#3
Carlee J Wright, Jan M Sargeant, Victoria L Edge, James D Ford, Khosrow Farahbakhsh, Inez Shiwak, Charlie Flowers, Allan C Gordon, Sherilee L Harper
Concerns regarding the safety and aesthetic qualities of one's municipal drinking water supply are important factors influencing drinking water perceptions and consumption patterns (i.e. sources used and daily volume of consumption). In northern Canada, Inuit communities face challenges with drinking water quality, and many Inuit have reported concerns regarding the safety of their drinking water. The objectives of this research were to describe perceptions of municipal tap water, examine use of water sources and changes following the installation of a potable water dispensing unit (PWDU) in 2014, and identify factors associated with water consumption in the Inuit community of Rigolet...
November 10, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29079497/alcohol-use-among-inuit-pregnant-women-validity-of-alcohol-ascertainment-measures-over-time
#4
Marilyn Fortin, Gina Muckle, Sandra W Jacobson, Joseph L Jacobson, Richard E Bélanger
BACKGROUND: Frequency and quantity of alcohol consumed by women are two important indicators of the risks associated with drinking during pregnancy. Some studies have compared the validity of maternal alcohol report obtained during and after pregnancy. However, to date none have examined alcohol use in a Native Canadian population, such as the Inuit. Effective measurement methods are necessary to better understand why children from some communities seem at increased risk of alcohol-related neurodevelopmental disorders...
October 24, 2017: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/29055805/-people-try-and-label-me-as-someone-i-m-not-the-social-ecology-of-indigenous-people-living-with-hiv-stigma-and-discrimination-in-manitoba-canada
#5
Roberta L Woodgate, Melanie Zurba, Pauline Tennent, Carla Cochrane, Mike Payne, Javier Mignone
Indigenous peoples (First Nations, Inuit, and Métis) are currently overrepresented in the HIV epidemic in Canada and are infected at a younger age than those who are not Indigenous. This article presents our findings on the stigma and discrimination (as well as related themes such as disclosure) experienced by Indigenous people who contracted HIV in their youth and live in urban and non-urban settings in Manitoba, Canada. The findings were derived from a qualitative study that sought to understand the experiences and needs of Indigenous people living with HIV (including AIDS)...
October 14, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/29035785/association-of-blood-polychlorinated-biphenyls-and-cholesterol-levels-among-canadian-inuit
#6
Kavita Singh, Hing Man Chan
BACKGROUND: It has generally been thought that Inuit populations have low risk of cardiovascular disease due to high consumption of omega-3 fatty acids found in traditional marine-based diets. However, results of recent surveys showed that Inuit populations are experiencing increasing rates of cardiovascular disease and related risk factors. OBJECTIVE: The purpose of this study was to investigate if blood polychlorinated biphenyls (PCBs) are associated with high cholesterol and related parameters in Canadian Inuit, known risk factors for cardiovascular disease...
October 13, 2017: Environmental Research
https://www.readbyqxmd.com/read/29034810/adult-idiopathic-cholestasis-a-condition-more-common-in-the-canadian-inuit
#7
Gerald Y Minuk, Galia Pollock, Julia Uhanova
Despite extensive investigations, some patients have no identifiable cause for their cholestatic liver enzyme abnormalities. The aim of this study was to document the clinical, laboratory, radiologic and histologic features of adult patients with idiopathic cholestasis (AIC). A computerised database of referred patients to a tertiary care hospital outpatient department for assessment of hepatobiliary disorders between 2005 and 2015 was employed to identify and describe features associated with AIC. Of 6,560 patient referrals, sufficient documentation to warrant a diagnosis of AIC was present in 17 (0...
2017: International Journal of Circumpolar Health
https://www.readbyqxmd.com/read/28974479/prenatal-and-postnatal-pcb-153-and-p-p-dde-exposures-and-behavior-scores-at-5-9-years-of-age-among-children-in-greenland-and-ukraine
#8
Aske Hess Rosenquist, Birgit Bjerre Høyer, Jordi Julvez, Jordi Sunyer, Henning Sloth Pedersen, Virissa Lenters, Bo A G Jönsson, Jens Peter Bonde, Gunnar Toft
BACKGROUND: Studies have reported some evidence of adverse effects of organochlorine exposures on child development, but the results have been inconsistent, and few studies have evaluated associations with child behavior. OBJECTIVE: We investigated the association between prenatal and early-life exposures to 2,2',4,4',5,5'-hexachlorobiphenyl (PCB-153) and 1,1-dichloro-2,2-bis(p-chlorophenyl)-ethylene (p,p'-DDE) and behaviors in children between 5 and 9 y of age...
October 3, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28965595/dietary-and-blood-selenium-are-inversely-associated-with-the-prevalence-of-stroke-among-inuit-in-canada
#9
Xue Feng Hu, Tasnia Sharin, Hing Man Chan
Inuit in Canada have high selenium intake from the consumption of country food such as fish and marine mammals. The health consequence is not known. This study examines the association between blood selenium concentration and prevalence of stroke among Canadian Inuit. The International Polar Year Inuit Health Survey was conducted in 2007-2008. Among the 2077 adults participants (≥18years old) who completed a questionnaire and gave blood samples, 49 stroke cases were reported, 31 of which were from women. The crude prevalence of stroke was 2...
December 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/28929885/first-nations-inuit-and-m%C3%A3-tis-health-considerations-for-canadian-health-leaders-in-the-wake-of-the-truth-and-reconciliation-commission-of-canada-report
#10
Mary McNally, Debbie Martin
First Nations, Inuit and Métis peoples living in Canada face profound health disparities relative to non-Indigenous Canadians on almost every measure of health and well-being. Advancing health opportunities for Indigenous peoples require responses at all levels of healthcare delivery and policy. Therefore, it is critical for health leaders and providers within Canada's healthcare institutions, systems, and settings to understand and address the determinants of health unique to Indigenous peoples, including the legacy of colonialism and both long-standing and present-day racism...
March 2017: Healthcare Management Forum
https://www.readbyqxmd.com/read/28929884/la-sant%C3%A3-des-premi%C3%A3-res-nations-des-inuits-et-des-m%C3%A3-tis-les-facteurs-que-doivent-envisager-les-leaders-en-sant%C3%A3-canadiens-dans-la-foul%C3%A3-e-du-rapport-de-la-commission-de-v%C3%A3-rit%C3%A3-et-r%C3%A3-conciliation-du-canada
#11
Mary McNally, Debbie Martin
Les peuples des Premières nations, inuits et métis qui habitent au Canada sont aux prises avec de profondes disparités en matière de santé par rapport aux Canadiens non autochtones, et ce, dans presque toutes les mesures liées à la santé et au bien-être. Pour faire progresser les services de santé auprès des peuples autochtones, il faut passer à l'action dans tous les ordres de prestation des soins et des politiques en santé. Il est donc essentiel que les leaders et les prestataires des établissements, des systèmes et des installations de santé du Canada comprennent et prennent en main les déterminants de la santé propres aux peuples autochtones, y compris l'héritage du colonialisme et le racisme ancien et actuel...
March 2017: Healthcare Management Forum
https://www.readbyqxmd.com/read/28917159/the-obesity-associated-risk-of-cardiovascular-disease-and-all-cause-mortality-is-not-lower-in-inuit-compared-to-europeans-a-cohort-study-of-greenlandic-inuit-nunavik-inuit-and-danes
#12
Pernille Falberg Rønn, Michel Lucas, Elhadji A Laouan Sidi, Maria Tvermosegaard, Gregers Stig Andersen, Torsten Lauritzen, Ulla Toft, Bendix Carstensen, Dirk Lund Christensen, Marit Eika Jørgensen
BACKGROUND AND AIMS: Inuit populations have lower levels of cardiometabolic risk factors for the same level of body mass index (BMI) or waist circumference (WC) compared to Europeans in cross-sectional studies. We aimed to compare the longitudinal associations of anthropometric measures with cardiovascular disease (CVD) and all-cause mortality in Inuit and Europeans. METHODS: Using pooled data from three population-based studies in Canada, Greenland and Denmark, we conducted a cohort study of 10,033 adult participants (765 Nunavik Inuit, 2960 Greenlandic Inuit and 6308 Europeans)...
August 18, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28879089/pathology-clinical-signs-and-tissue-distribution-of-toxoplasma-gondii-in-experimentally-infected-reindeer-rangifer-tarandus
#13
Émilie Bouchard, Rajnish Sharma, Nicholas Bachand, Alvin A Gajadhar, Emily J Jenkins
Toxoplasma gondii is a zoonotic parasite found in vertebrates worldwide for which felids serve as definitive hosts. Despite low densities of felids in northern Canada, Inuit people in some regions show unexpectedly high levels of exposure, possibly through handling and consumption of Arctic wildlife. Free-ranging caribou (Rangifer tarandus) are widely harvested for food across the Canadian North, show evidence of seroexposure to T. gondii, and are currently declining in numbers throughout the Arctic. We experimentally infected three captive reindeer (conspecific with caribou) with 1000, 5000 or 10,000 oocysts of T...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28875087/tracing-hepatitis-b-virus-hbv-genotype-b5-formerly-b6-evolutionary-history-in-the-circumpolar-arctic-through-phylogeographic-modelling
#14
Remco Bouckaert, Brenna C Simons, Henrik Krarup, T Max Friesen, Carla Osiowy
BACKGROUND: Indigenous populations of the circumpolar Arctic are considered to be endemically infected (>2% prevalence) with hepatitis B virus (HBV), with subgenotype B5 (formerly B6) unique to these populations. The distinctive properties of HBV/B5, including high nucleotide diversity yet no significant liver disease, suggest virus adaptation through long-term host-pathogen association. METHODS: To investigate the origin and evolutionary spread of HBV/B5 into the circumpolar Arctic, fifty-seven partial and full genome sequences from Alaska, Canada and Greenland, having known location and sampling dates spanning 40 years, were phylogeographically investigated by Bayesian analysis (BEAST 2) using a reversible-jump-based substitution model and a clock rate estimated at 4...
2017: PeerJ
https://www.readbyqxmd.com/read/28827797/composite-likelihood-method-for-inferring-local-pedigrees
#15
Amy Ko, Rasmus Nielsen
Pedigrees contain information about the genealogical relationships among individuals and are of fundamental importance in many areas of genetic studies. However, pedigrees are often unknown and must be inferred from genetic data. Despite the importance of pedigree inference, existing methods are limited to inferring only close relationships or analyzing a small number of individuals or loci. We present a simulated annealing method for estimating pedigrees in large samples of otherwise seemingly unrelated individuals using genome-wide SNP data...
August 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28798916/risk-benefit-assessment-of-monomethylmercury-and-omega-3-fatty-acid-intake-for-ringed-seal-consumption-with-particular-emphasis-on-vulnerable-populations-in-the-western-canadian-arctic
#16
Lena Gmelch, Holger Hintelmann, Brendan Hickie, Hermine Kienberger, Gary Stern, Michael Rychlik
Many northern Inuit communities rely on traditional food as major source of nourishment. An essential part of the traditional Arctic diet is marine mammals such as ringed seals or beluga. Being top predators, these animals are often highly contaminated with various toxins. In contrast, some tissues of marine mammals are also characterized by high amounts of n3-PUFAs (omega-3 polyunsaturated fatty acids). Here, we try to balance the risks associated with the consumption of different tissue types of ringed seals in terms of the neurotoxin monomethylmercury (MMHg) with the benefits of consumption due to high n3-PUFA concentrations...
2017: Frontiers in Nutrition
https://www.readbyqxmd.com/read/28748224/utility-of-genetic-testing-for-confirmation-of-abnormal-newborn-screening-in-disorders-of-long-chain-fatty-acids-a-missed-case-of-carnitine-palmitoyltransferase-1a-cpt1a-deficiency
#17
Leah Dowsett, Lauren Lulis, Can Ficicioglu, Sanmati Cuddapah
An 18-month-old male was evaluated after presenting with disproportionately elevated liver transaminases in the setting of acute gastroenteritis. He had marked hepatomegaly on physical exam that was later confirmed with an abdominal ultrasound. Given this clinical picture, suspicion for a fatty acid oxidation disorder was raised. Further investigation revealed that his initial newborn screen was positive for carnitine palmitoyltransferase 1A (CPT1A) deficiency-a rare autosomal recessive disorder of long-chain fatty acid oxidation...
June 2017: International Journal of Neonatal Screening
https://www.readbyqxmd.com/read/28740106/environment-changes-genetic-effects-on-respiratory-conditions-and-allergic-phenotypes
#18
Yong Song, Michelle J Schwager, Vibeke Backer, Jing Guo, Celeste Porsbjerg, Siew-Kim Khoo, Ingrid A Laing, Eric K Moses, Peter LeSouëf, Guicheng Brad Zhang
The prevalence of asthma and allergic diseases is disproportionately distributed among different populations, with an increasing trend observed in Western countries. Here we investigated how the environment affected genotype-phenotype association in a genetically homogeneous, but geographically separated population. We evaluated 18 single nucleotide polymorphisms (SNPs) corresponding to 8 genes (ADAM33, ALOX5, LT-α, LTC4S, NOS1, ORMDL3, TBXA2R and TNF-α), the lung function and five respiratory/allergic conditions (ever asthma, bronchitis, rhinitis, dermatitis and atopy) in two populations of Inuit residing either in the westernized environment of Denmark or in the rural area of Greenland...
July 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28728554/the-rise-and-fall-of-dental-therapy-in-canada-a-policy-analysis-and-assessment-of-equity-of-access-to-oral-health-care-for-inuit-and-first-nations-communities
#19
Victoria Leck, Glen E Randall
BACKGROUND: Inequality between most Canadians and those from Inuit and First Nations communities, in terms of both access to oral health care services and related health outcomes, has been a long-standing problem. Efforts to close this equity gap led to the creation of dental therapy training programs. These programs were designed to produce graduates who would provide services in rural and northern communities. The closure of the last dental therapy program in late 2011 has ended the supply of dental therapists and governments do not appear to have any alternative solutions to the growing gap in access to oral health care services between most Canadians and those from Inuit and First Nations communities...
July 20, 2017: International Journal for Equity in Health
https://www.readbyqxmd.com/read/28702908/water-quality-and-health-in-northern-canada-stored-drinking-water-and-acute-gastrointestinal-illness-in-labrador-inuit
#20
Carlee J Wright, Jan M Sargeant, Victoria L Edge, James D Ford, Khosrow Farahbakhsh, Inez Shiwak, Charlie Flowers, Sherilee L Harper
One of the highest self-reported incidence rates of acute gastrointestinal illness (AGI) in the global peer-reviewed literature occurs in Inuit communities in the Canadian Arctic. This high incidence of illness could be due, in part, to the consumption of contaminated water, as many northern communities face challenges related to the quality of municipal drinking water. Furthermore, many Inuit store drinking water in containers in the home, which could increase the risk of contamination between source and point-of-use (i...
July 12, 2017: Environmental Science and Pollution Research International
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