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https://www.readbyqxmd.com/read/28346838/hiv-1-transmission-networks-across-south-korea
#1
Mi Young Ahn, Joel O Wertheim, Woo Joo Kim, Shin-Woo Kim, Jin Soo Lee, Hea Won Ann, Yongduk Jeon, Jin Young Ahn, Je Eun Song, Dong Hyun Oh, Yong Chan Kim, Eun Jin Kim, In Young Jung, Moo Hyun Kim, Wooyoung Jeong, Su Jin Jeong, Nam Su Ku, June Myung Kim, Davey M Smith, Jun Yong Choi
Molecular epidemiology can help clarify the properties and dynamics of HIV-1 transmission networks in both global and regional scales. We studied 143 HIV-1-infected individuals recruited from four medical centers of three cities in South Korea between April 2013 and May 2014. HIV-1 env V3 sequence data were generated (337-793 bp) and analyzed using a pairwise distance-based clustering approach to infer putative transmission networks. Participants whose viruses were ≤2.0% divergent according to Tamura-Nei 93 genetic distance were defined as clustering...
March 27, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28346025/guidance-on-radiation-dose-limits-for-the-lens-of-the-eye-overview-of-the-recommendations-in-ncrp-commentary-no-26
#2
Lawrence T Dauer, Elizabeth A Ainsbury, Joseph Dynlacht, David Hoel, Barbara E K Klein, Don Mayer, Christina R Prescott, Raymond H Thornton, Eliseo Vano, Gayle E Woloschak, Cynthia M Flannery, Lee E Goldstein, Nobuyuki Hamada, Phung K Tran, Michael P Grissom, Eleanor A Blakely
PURPOSE: This review summarizes the conclusions and recommendations of the new NCRP Commentary No. 26 guidance on radiation dose limits for the lens of the eye. The NCRP also addressed radiation protection principles with respect to the lens of the eye, discussed the current understanding of eye biology and lens effects, reviewed and evaluated epidemiology, and assessed exposed populations with the potential for significant radiation exposures to the lens while suggesting monitoring and protection practices...
March 27, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/28345383/pulmonary-fibrosis-part-i-epidemiology-pathogenesis-and-diagnosis
#3
Keith C Meyer
Many forms of interstitial lung disease (ILD) can progress to extensive fibrosis and respiratory failure. Idiopathic pulmonary fibrosis (IPF), which generally has a poor prognosis, has been thoroughly studied over the past two decades, and many important discoveries have been made that pertain to genetic predisposition, epidemiology, disease pathogenesis, diagnosis, and management. Additionally, non-IPF forms of ILD can have radiologic and histopathologic manifestations that mimic IPF, and making an accurate diagnosis is key to providing personalized medicine to patients with pulmonary fibrosis...
March 26, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28342937/molecular-epidemiology-of-staphylococcus-aureus-nasal-colonization-among-patients-and-their-parents-guardian-in-an-iranian-referral-hospital
#4
Babak Pourakbari, Mahmoud Khodabandeh, Shima Mahmoudi, Farah Sabouni, Alireza Aziz-Ahari, Abbas Bahador, Sepideh Keshavarz Valian, Reihaneh Hosseinpour Sadeghi, Setareh Mamishi
INTRODUCTION: Carriage of Staphylococcus aureus in the nose appears to play a key role in the epidemiology and pathogenesis of infection. It is important to investigate the genetic relatedness of S. aureus and MRSA clones in different geographic regions. The aim of this study was to assess the nasal carriage rate of S. aureus, including MRSA strains in both hospitalized children and general adult population (parents/guardian). In addition, antibiotic susceptibility pattern and molecular diversity of S...
March 22, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28342271/more-bark-than-bite-comparative-studies-are-needed-to-determine-the-importance-of-canine-zoonoses-in-aboriginal-communities-a-critical-review-of-published-research
#5
REVIEW
F Smout, L Schrieber, R Speare, L F Skerratt
The objective of this review was to identify and critique over forty years of peer-reviewed literature concerned with the transmission of canine zoonoses to Aboriginal people and determine the zoonotic organisms documented in dogs in Australian Aboriginal communities. A systematic literature search of public health, medical and veterinary databases identified 19 articles suitable for critical appraisal. Thirteen articles documented the occurrence of recognized zoonotic organisms in dogs in Aboriginal communities, including Toxocara canis, Dirofilaria immitis, Streptococcus dysgalactiae, Rickettsia felis, Sarcoptes scabiei and Giardia...
March 25, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28340945/plasma-levels-of-apolipoprotein-e-apoe-genotype-and-risk-of-dementia-and-ischemic-heart-disease-a-review
#6
REVIEW
Katrine Laura Rasmussen
Dementia is one of the major causes of disability in later life, and ischemic heart disease is a leading cause of morbidity and mortality. Apolipoprotein E (apoE) plays a pivotal role in lipoprotein metabolism in the brain and in the periphery, and is implicated in both dementia and ischemic heart disease. Peripherally, liver-derived apoE is the main source of plasma apoE. Approximately half of plasma apoE is associated with triglyceride-rich lipoproteins, where apoE serves as the main ligand for the low density lipoprotein (LDL) receptor and the LDL receptor Related Protein (LRP)...
December 2016: Atherosclerosis
https://www.readbyqxmd.com/read/28340863/serum-cytokine-profiles-as-predictors-of-asthma-control-in-adults-from-the-egea-study
#7
Zeina Akiki, Marta Rava, Oscar Diaz Gil, Isabelle Pin, Nicole le Moual, Valérie Siroux, Stefano Guerra, Soulaima Chamat, Regis Matran, Montserrat Fitó, Pascale Salameh, Rachel Nadif
BACKGROUND: To which extent serum cytokines may predict asthma control in adults remains understudied. OBJECTIVES: We investigated cross-sectional and longitudinal associations between cytokine profiles and asthma outcomes. METHODS: Serum interleukin (IL)-1Ra, IL-5, IL-7, IL-8, IL-10, IL-13 and TNF-α levels were determined in 283 adults with current asthma from the 2nd survey of the Epidemiological Study on the Genetics and Environment of Asthma (EGEA2)...
April 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28339609/a-commentary-on-maes-et-al-a-genetic-epidemiological-mega-analysis-of-smoking-initiation-in-adolescents
#8
Laura J Bierut, Eric O Johnson
No abstract text is available yet for this article.
January 28, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28339145/respiratory-syncytial-virus-host-interaction-in-the-pathogenesis-of-bronchiolitis-and-its-impact-on-respiratory-morbidity-in-later-life
#9
REVIEW
Giovanni A Rossi, Andrew A Colin
Rossi GA, Colin AA(.) Respiratory syncytial virus - host interaction in the pathogenesis of bronchiolitis and its impact on respiratory morbidity in later life. Pediatr Allergy Immunol. Respiratory syncytial virus (RSV) is the most common agent of severe airway disease in infants and young children. Large epidemiologic studies have demonstrated a clear relationship between RSV infection and subsequent recurrent wheezing and asthma into childhood, thought to be predominantly related to long-term changes in neuroimmune control of airway tone rather than to allergic sensitization...
March 24, 2017: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/28338721/mammographic-density-defined-by-higher-than-conventional-brightness-thresholds-better-predicts-breast-cancer-risk
#10
Tuong L Nguyen, Ye K Aung, Christopher F Evans, Gillian S Dite, Jennifer Stone, Robert J MacInnis, James G Dowty, Adrian Bickerstaffe, Kelly Aujard, Johanna M Rommens, Yun-Mi Song, Joohon Sung, Mark A Jenkins, Melissa C Southey, Graham G Giles, Carmel Apicella, John L Hopper
Background: Mammographic density defined by the conventional pixel brightness threshold, and adjusted for age and body mass index (BMI), is a well-established risk factor for breast cancer. We asked if higher thresholds better separate women with and without breast cancer. Methods: We studied Australian women, 354 with breast cancer over-sampled for early-onset and family history, and 944 unaffected controls frequency-matched for age at mammogram. We measured mammographic dense area and percent density using the CUMULUS software at the conventional threshold, which we call Cumulus , and at two increasingly higher thresholds, which we call Altocumulus and Cirrocumulus , respectively...
October 8, 2016: International Journal of Epidemiology
https://www.readbyqxmd.com/read/28338012/prevalence-of-st1193-clone-and-inci1-st16-plasmid-in-e-coli-isolates-carrying-blactx-m-55-gene-from-urinary-tract-infections-patients-in-china
#11
Liang Xia, Yang Liu, Shu Xia, Timothy Kudinha, Shu-Nian Xiao, Nan-Shan Zhong, Guo-Sheng Ren, Chao Zhuo
To study molecular epidemiology of CTX-M-55-carrying Escherichia coli isolates from urinary tract infections (UTIs) in China. 111 blaCTX-M-55-positive E.coli isolates from UTIs patients in China were studied. Pulsed-field gel electrophoresis (PFGE) and multilocus sequence typing (MLST) were used to analyze the homologies among the strains. Conjugation experiments, S1nuclease PFGE and PCR analysis were performed to characterize plasmids harboring blaCTX-M-55 and their genetic environment. 111 isolates were clustered into 86 individual pulsotypes and three clusters by PFGE...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28337901/cardiopathy-and-osteoporosis-the-epidemiology-in-a-region-of-italy
#12
A Notarnicola, G Maccagnano, L Moretti, S Tafuri, B Moretti
Cardiopathies and osteoporosis are inter-related due to pathogenetic, hormonal, genetic features as well as an increased risk of fragility. An important feature is attributed to the process of atherosclerosis, which is responsible for an osteopenia effect and degeneration of vascular walls. To date the study populations have been limited. To verify the incidence of cardio-vascular disease in a larger osteoporotic population, we designed a retrospective clinical study analyzing the “Hospital Discharge Data” (HDD) in Apulia between 2006 and 2010...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337538/prevalence-and-genetic-characterization-of-toxoplasma-gondii-in-free-range-chickens-from-grocery-stores-and-farms-in-maryland-ohio-and-massachusetts-usa
#13
Yuqing Ying, Shiv K Verma, Oliver C H Kwok, Fatima Alibana, Rima Mcleod, Chunlei Su, Jitender P Dubey, Abani K Pradhan
Chickens are considered important in the epidemiology of Toxoplasma gondii. Chicken hearts (n = 1185) obtained from grocery stores were tested for T. gondii infection. Antibodies to T. gondii were assayed in fluid removed from the heart cavity using the modified agglutination test (MAT) at 1:5, 1:25, and 1:100 dilutions. MAT antibodies were detected in 222 hearts at 1:5 dilution and 8 hearts at 1:25 dilution, but none were positive at 1:100 dilution. Seropositive (n = 230, 19.4%) chicken hearts were bioassayed in mice and seronegative (n = 157) chickens were bioassayed in cats...
March 24, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28336519/anticollagen-type-ii-antibodies-are-associated-with-an-acute-onset-rheumatoid-arthritis-phenotype-and-prognosticate-lower-degree-of-inflammation-during-5%C3%A2-years-follow-up
#14
Vivek Anand Manivel, Mohammed Mullazehi, Leonid Padyukov, Helga Westerlind, Lars Klareskog, Lars Alfredsson, Saedis Saevarsdottir, Johan Rönnelid
OBJECTIVE: Antifibrillar collagen type II (anti-CII) antibody-positive patients with rheumatoid arthritis (RA) have early but not late signs of increased inflammation and joint erosions. We wanted to replicate this in a large RA cohort, and to relate to human leukocyte antigen (HLA)-DRB1* alleles. METHODS: Anti-CII and anti-cyclic citrullinated peptide (CCP)2 were measured at baseline in 773 patients with RA from the Swedish Epidemiological Investigation in Rheumatoid Arthritis (EIRA) study with clinical follow-up data from the Swedish Rheumatology Quality Register (SRQ) registry, and 1476 with HLA-DRB1* information...
March 23, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28335735/population-diversity-of-the-genetically-determined-ttr-expression-in-human-tissues-and-its-implications-in-ttr-amyloidosis
#15
Andrea Iorio, Flavio De Angelis, Marco Di Girolamo, Marco Luigetti, Luca G Pradotto, Anna Mazzeo, Sabrina Frusconi, Filomena My, Dario Manfellotto, Maria Fuciarelli, Renato Polimanti
BACKGROUND: Transthyretin (TTR) amyloidosis is a hereditary disease with a complex genotype-phenotype correlation. We conducted a literature survey to define the clinical landscape of TTR amyloidosis across populations worldwide. Then, we investigated whether the genetically determined TTR expression differs among human populations, contributing to the differences observed in patients. Polygenic scores for genetically determined TTR expression in 14 clinically relevant tissues were constructed using data from the GTEx (Genotype-Tissue Expression) project and tested in the samples from the 1,000 Genomes Project...
March 23, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28335454/porcine-rotaviruses-epidemiology-immune-responses-and-control-strategies
#16
REVIEW
Anastasia N Vlasova, Joshua O Amimo, Linda J Saif
Rotaviruses (RVs) are a major cause of acute viral gastroenteritis in young animals and children worldwide. Immunocompetent adults of different species become resistant to clinical disease due to post-infection immunity, immune system maturation and gut physiological changes. Of the 9 RV genogroups (A-I), RV A, B, and C (RVA, RVB, and RVC, respectively) are associated with diarrhea in piglets. Although discovered decades ago, porcine genogroup E RVs (RVE) are uncommon and their pathogenesis is not studied well...
March 18, 2017: Viruses
https://www.readbyqxmd.com/read/28332894/incidence-and-progression-of-diabetic-retinopathy-in-urban-india-sankara-nethralaya-diabetic-retinopathy-epidemiology-and-molecular-genetics-study-sn-dreams-ii-report-1
#17
Rajiv Raman, Suganeswari Ganesan, Swakshyar Saumya Pal, Laxmi Gella, Vaitheeswaran Kulothungan, Tarun Sharma
PURPOSE: To evaluate the 4-year incidence and progression of and risk factors for diabetic retinopathy (DR) in an Indian population. METHODS: From a cross-sectional study of 1425 subjects with diabetes, 911 (63.9%) returned for 4-year follow-up. After excluding 21 with ungradable retinal images, data from 890 subjects were analyzed. Participants underwent examinations based on a standard protocol, which included grading of retinal photographs. RESULTS: The incidences of DR, diabetic macular edema (DME), and sight-threatening diabetic retinopathy (STDR) were 9...
March 23, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28332654/vp1-sequencing-protocol-for-foot-and-mouth-disease-virus-molecular-epidemiology
#18
N J Knowles, J Wadsworth, K Bachanek-Bankowska, D P King
Nucleotide sequences of field strains of foot and mouth disease virus (FMDV) contribute to our understanding of the distribution and evolution of viral lineages that circulate in different regions of the world. This paper outlines a practical reversetranscription polymerase chain reaction (RT-PCR) and sequencing strategy that can be used to generate RNA sequences encoding the VP1 (1D) region of FMDV. The protocol contains a panel of PCR and sequencing primers that can be selected to characterise genetically diverse isolates representing all seven FMDV serotypes...
December 2016: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/28329402/novel-orthopoxvirus-infection-in-an-alaska-resident
#19
Yuri P Springer, Christopher H Hsu, Zachary R Werle, Link E Olson, Michael P Cooper, Louisa J Castrodale, Nisha Fowler, Andrea M McCollum, Cynthia S Goldsmith, Ginny L Emerson, Kimberly Wilkins, Jeffrey B Doty, Jillybeth Burgado, JinXin Gao, Nishi Patel, Matthew R Mauldin, Mary G Reynolds, Panayampalli S Satheshkumar, Whitni Davidson, Yu Li, Joseph B McLaughlin
Background.: Human infection by orthopoxviruses is being reported with increasing frequency, attributed in part to the cessation of smallpox vaccination and concomitant waning of population-level immunity. In July 2015, a female resident of interior Alaska, presented to an urgent care clinic with a dermal lesion consistent with poxvirus infection. Laboratory testing of a virus isolated from the lesion confirmed infection by an Orthopoxvirus. Methods.: The virus isolate was characterized by using electron microscopy and nucleic acid sequencing...
March 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28327825/genotype-association-gstm1-null-and-gastric-cancer-evidence-based-meta-analysis
#20
Rívian Xavier Ribeiro, Cícera Isabella Leão Leite Nascimento, Antonio Márcio Teodoro Cordeiro Silva
BACKGROUND: Gastric cancer is the fourth most common cancer in men and the sixth among women, except for non-melanoma skin tumors, in Brazil. Epidemiological evidences reveal the multifactorial etiology of this cancer, highlighting risk factors such as: infection by the bacterium Helicobacter pylori, advanced age, smoking, chronic alcohol abuse, eating habits and genetic polymorphisms. Considering the context of genetic polymorphisms, there is the absence of the GSTM1 gene. The lack of GSTM1 function to detoxify xenobiotics and promote defense against oxidative stress leads to increased DNA damage, promoting gastric carcinogenesis...
March 16, 2017: Arquivos de Gastroenterologia
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