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https://www.readbyqxmd.com/read/28441787/codon-usage-optimization-and-construction-of-plasmid-encoding-iranian-human-papillomavirus-type-16-e7-oncogene-for-lactococcus-lactis-subsp-cremoris-mg1363
#1
Amir Hossein Mohseni, Vadood Razavilar, Hossein Keyvani, Mohammad Reza Razavi, Ramazan Ali Khavari Nejad
HPV 16 intratypic sequence variations has been recognized in association with oncogenic potential diverge and geographic distribution. This study aimed to investigate nucleotide modifications and optimization of HPV 16 E7 regions from Iranian infected women. Cervical biopsies from 79/163 HPV 16 positive cancer patients detected in our study were analyzed by PCR in a couple of cloning of a complete ORF of the E7 gene, and sequencing. The most frequently observed variant was C196T in E7 which led to an amino acid change of R66W...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28441062/measles-cases-among-adolescents-in-southern-pakistan-2012-2015-the-case-for-revisiting-vaccination-strategies
#2
Sadia Shakoor, Erum Khan, Muhammad Imran Rajput, Wali Muhammad Rahimoon
AIMS: Surveillance of adult measles in Pakistan is a challenge as it does not enjoy the status of a reportable disease unlike childhood cases and therefore cases remain undetected and unreported or misdiagnosed. Consequently no data or estimates of young adult cases, seroprevalence, or estimates of susceptible preadolescent or young adult population exist. We have presented both laboratory conformed and clinically suspected cases of measles occurring in adolescents and adults in the southern province of Sindh in Pakistan...
April 25, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28438378/genotyping-of-the-human-papilloma-virus-in-a-group-of-mexican-women-treated-in-a-highly-specialist-hospital-multiple-infections-and-their-potential-transcendence-in-the-current-vaccination-programme
#3
Pablo Romero-Morelos, Arizbett Uribe-Jiménez, Cindy Bandala, Albros Poot-Vélez, Nora Ornelas-Corral, Miriam Rodríguez-Esquivel, Mariana Valdespino-Zavala, Keiko Taniguchi, Daniel Marrero-Rodríguez, Ricardo López-Romero, Mauricio Salcedo
BACKGROUND AND OBJETIVE: Human papilloma virus (HPV) is one of the main risk factors associated with the development of cervical cancer and its precursor lesions. It has been reported that HPV16 and 18 types cover approximately 70% of cervical cancer worldwide; however, significant variation in percentages of HPV infections could be related to specific populations. MATERIALS AND METHODS: Purified DNA of 67 cervical samples were analyzed by Linear Array® HPV genotyping kit...
April 21, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28436442/thermal-stability-storage-and-release-of-proteins-with-tailored-fit-in-silica
#4
Yun-Chu Chen, Tristan Smith, Robert H Hicks, Aswin Doekhie, Francoise Koumanov, Stephen A Wells, Karen J Edler, Jean van den Elsen, Geoffrey D Holman, Kevin J Marchbank, Asel Sartbaeva
Biological substances based on proteins, including vaccines, antibodies, and enzymes, typically degrade at room temperature over time due to denaturation, as proteins unfold with loss of secondary and tertiary structure. Their storage and distribution therefore relies on a "cold chain" of continuous refrigeration; this is costly and not always effective, as any break in the chain leads to rapid loss of effectiveness and potency. Efforts have been made to make vaccines thermally stable using treatments including freeze-drying (lyophilisation), biomineralisation, and encapsulation in sugar glass and organic polymers...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28435890/gene-expression-profile-of-human-cytokines-in-response-to-burkholderia-pseudomallei-infection
#5
Shivankari Krishnananthasivam, Harindra Darshana Sathkumara, Enoka Corea, Mohan Natesan, Aruna Dharshan De Silva
Melioidosis is an underreported infectious disease, caused by the Gram-negative bacterium Burkholderia pseudomallei. Understanding the disease susceptibility and pathogenesis is crucial for developing newer diagnostic and therapeutic strategies for this life-threatening infection. In this study, we aimed to analyze the gene expression levels of important cytokines in melioidosis patients and establish useful correlates with disease biomarkers compared to cases of sepsis infection caused by other pathogens and healthy individuals...
March 2017: MSphere
https://www.readbyqxmd.com/read/28435428/in-silico-cd4-cd8-t-cell-and-b-cell-immunity-associated-immunogenic-epitope-prediction-and-hla-distribution-analysis-of-zika-virus
#6
Essam Mohammed Janahi, Anupam Dhasmana, Vandana Srivastava, Aditya Narayan Sarangi, Sana Raza, Jamal M Arif, Madan Lal Bramha Bhatt, Mohtashim Lohani, Mohammed Yahya Areeshi, Anand Murari Saxena, Shafiul Haque
Zika virus (ZIKV) is a mosquito-borne flavivirus distributed all over Africa, South America and Asia. The infection with the virus may cause acute febrile sickness that clinically resembles dengue fever, yet there is no vaccine, no satisfactory treatment, and no means of evaluating the risk of the disease or prognosis in the infected people. In the present study, the efficacy of the host's immune response in reducing the risk of infectious diseases was taken into account to carry out immuno-informatics driven epitope screening strategy of vaccine candidates against ZIKV...
2017: EXCLI journal
https://www.readbyqxmd.com/read/28434688/stability-of-heat-stable-live-attenuated-rotavirus-vaccine-rotasiil%C3%A2
#7
Sameer P Naik, Jagdish K Zade, Rajendra N Sabale, Sambhaji S Pisal, Ravi Menon, Subhash G Bankar, Sunil Gairola, Rajeev M Dhere
Vaccines currently available across the globe are stored and transported in a continuous cold-chain at 2-8°C or below -20°C. A temperature excursion outside this range affects the potency of the vaccines. Such vaccines need to be discarded leading wastage. The Rotavirus disease burden is predominantly reported in developing and low-income countries and therefore, has entered or poised to enter their national immunization programs. These countries already have several limitations for effective storage, maintenance and distribution of vaccines in a cold-chain and this introduction is expected to further stress this fragile ecosystem...
April 20, 2017: Vaccine
https://www.readbyqxmd.com/read/28434128/aspects-on-the-history-of-transmission-and-favor-of-distribution-of-viruses-by-iatrogenic-action-perhaps-an-example-of-a-paradigm-of-the-worldwide-spread-of-hiv
#8
REVIEW
Lutz G Gürtler, Josef Eberle
Transmission of infectious agents might be associated with iatrogenic actions of charitable help in health care. An example is the vaccination against yellow fever in USA that transmitted hepatitis B virus. Another example is injections of praziquantel for treatment and cure of schistosomiasis in Central and Northern Africa, with a focus in Egypt that has spread hepatitis C virus. There is no indication that human T-lymphotropic virus type 1 was spread by injection treatment for African trypanosomiasis, syphilis and treponematosis, but these treatments might have contributed to the early spread of human immunodeficiency virus type 1 (HIV-1) in Central Africa...
April 22, 2017: Medical Microbiology and Immunology
https://www.readbyqxmd.com/read/28431558/epidemiology-and-genotype-distribution-of-human-papillomavirus-hpv-in-southwest-china-a-cross-sectional-five-years-study-in-non-vaccinated-women
#9
Yishu Tang, Lan Zheng, Shuangshuang Yang, Bing Li, Huiting Su, Li-Ping Zhang
BACKGROUND: Large-size data on type-specific HPV prevalence in Southwest China are required to estimate the cervical cancer burden in the country and to prepare for HPV-based cervical screening program and further HPV vaccination of China. This HPV study is a pooled analysis of data from five years in Chongqing of China, which is cross-sectional in design using data collecting. RESULTS: The positivity of HPV was 26.2% (10542/40311), single type was 25.7% (10360/40311), multiple type was 8...
April 21, 2017: Virology Journal
https://www.readbyqxmd.com/read/28428065/in-vivo-studies-investigating-biodistribution-of-nanoparticle-encapsulated-rhodamine-b-delivered-via-dissolving-microneedles
#10
Joakim Kennedy, Eneko Larrañeta, Maelíosa T C McCrudden, Cian M McCrudden, Aaron J Brady, Steven J Fallows, Helen O McCarthy, Adrien Kissenpfennig, Ryan F Donnelly
Nanoparticles (NPs) have undergone extensive investigation as drug delivery and targeting vehicles. NP delivery is often via the parenteral route, reliant on administration using hypodermic needles, which can be associated with patient compliance issues and safety concerns. In the recent past, the intradermal delivery of NPs, via novel dissolving microneedle (MN) arrays has garnered interest in the pharmaceutical community. However, published studies using this combinatorial approach have been limited, in that they have focussed on the use of in vitro and ex vivo models only...
April 17, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28427991/impact-of-the-pneumococcal-conjugate-vaccine-on-serotype-distribution-of-adult-non-invasive-streptococcus-pneumoniae-isolates-in-tokai-region-japan-2008-2016
#11
Yuri Furuya, Yuka Yamagishi, Hayato Okade, Takumi Kadota, Tori Funatsu, Maki Eto, Nobuhiko Nomura, Junichi Mitsuyama, Hiroshige Mikamo
The introduction of the 7-valent pneumococcal conjugate vaccine (PCV7) in February 2010 markedly reduced the burden of invasive pneumococcal disease and changed serotype distribution in Japan. In November 2013, PCV7 was replaced by the 13-valent pneumococcal conjugate vaccine (PCV13). We investigated the serotype distribution and susceptibility trends of non-invasive Streptococcus pneumoniae isolates collected from adult patients. A total of 504 pneumococcal isolates were collected during 4 periods between 2008 and 2016 (Period 1; between June 2008 and April 2009, Period 2; between September 2010 and March 2011, Period 3; between October 2011 and March 2012, Period 4; between August 2015 and January 2016)...
April 17, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28418772/geographical-clusters-and-predictors-of-rabies-in-three-southeastern-states
#12
Sara Reilly, Wayne T Sanderson, W Jay Christian, Steven R Browning
The rabies virus causes progressive encephalomyelitis that is fatal in nearly 100% of untreated cases. In the United States, wildlife act as the primary reservoir for rabies; prevention, surveillance, and control costs remain high. The purpose of this study is to understand the current distribution of wildlife rabies in three southeastern states, with particular focus on raccoons as the primary eastern reservoir, as well as identify demographic and geographic factors which may affect the risk of human exposure...
April 18, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28417968/rational-development-of-a-protective-p-vivax-vaccine-evaluated-with-transgenic-rodent-parasite-challenge-models
#13
Ahmed M Salman, Eduardo Montoya-Díaz, Heather West, Amar Lall, Erwan Atcheson, Cesar Lopez-Camacho, Jai Ramesar, Karolis Bauza, Katharine A Collins, Florian Brod, Fernando Reis, Leontios Pappas, Lilia González-Cerón, Chris J Janse, Adrian V S Hill, Shahid M Khan, Arturo Reyes-Sandoval
Development of a protective and broadly-acting vaccine against the most widely distributed human malaria parasite, Plasmodium vivax, will be a major step towards malaria elimination. However, a P. vivax vaccine has remained elusive by the scarcity of pre-clinical models to test protective efficacy and support further clinical trials. In this study, we report the development of a highly protective CSP-based P. vivax vaccine, a virus-like particle (VLP) known as Rv21, able to provide 100% sterile protection against a stringent sporozoite challenge in rodent models to malaria, where IgG2a antibodies were associated with protection in absence of detectable PvCSP-specific T cell responses...
April 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28407817/preliminary-study-of-the-ul55-gene-based-on-infectious-chinese-virulent-duck-enteritis-virus-bacterial-artificial-chromosome-clone
#14
Ying Wu, Yangguang Li, Mingshu Wang, Kunfeng Sun, Renyong Jia, Shun Chen, Dekang Zhu, Mafeng Liu, Qiao Yang, Xinxin Zhao, Xiaoyue Chen, Anchun Cheng
BACKGROUND: Lethal Duck Enteritis Virus (DEV) infection can cause high morbidity and mortality of many species of waterfowl within the order Anseriformes. However, little is known about the function of viral genes including the conserved UL55 gene among alpha herpes virus due to the obstacles in maintenance and manipulation of DEV genome in host cells. METHODS: In this paper, we constructed an infectious bacteria artificial chromosome (BAC) clone of the lethal clinical isolate duck enteritis virus Chinese virulent strain (DEV CHv) by inserting a transfer vector containing BAC mini-F sequence and selection marker EGFP into UL23 gene using homologous recombination...
April 13, 2017: Virology Journal
https://www.readbyqxmd.com/read/28406739/survey-of-contraindications-in-children-routine-vaccination-in-hangzhou-china
#15
Shijun Liu, Jun Wang, Yan Liu, Yuyang Xu, Xinren Che, Wenwen Gu, Jian Du, Xiaoping Zhang, Erping Xu
Objective To describe the epidemiological characteristics of contraindications in children routine vaccination, to evaluate vaccination doctors' ability to determine contraindications. Method Using cross-section study, 34 urban and 15 suburb units were selected from 206 Community Health Center (CHC) in Hangzhou, China. Subjects were all children coming to CHCs for routine vaccination. All situations considered to be unsuitable for vaccination were recorded as contraindications. 3 experts were employed to classify these abnormal records as true or false contraindications...
April 13, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28405460/provision-of-straw-by-a-foraging-tower-effect-on-tail-biting-in-weaners-and-fattening-pigs
#16
Carolin Holling, Elisabeth Grosse Beilage, Beatriz Vidondo, Christina Nathues
BACKGROUND: Straw is one of the most effective rooting materials to reduce tail biting in pigs. A so-called foraging-tower (FT) provides only small quantities of straw compatible with liquid manure systems. The focus of the present study was on the effect of providing straw by FT in order to prevent tail biting in tail docked pigs. Four consecutive batches of 160 pigs, randomly divided into a straw (SG) and a control group (CG) were followed up from weaning to slaughter. RESULTS: Tail wounds (Score ≥ 2) were detected in 104 out of 12,032 single observations (SG n = 48; CG n = 56) in 9 pens (SG n = 4/32; CG n = 5/32) mainly focused on the fattening period of batch 2 due to a failure in the ventilation system...
2017: Porcine Health Management
https://www.readbyqxmd.com/read/28404496/association-between-seroprevalence-of-measles-and-various-social-determinants-in-the-year-following-a-measles-outbreak-in-turkey
#17
M Emek, D Islek, G Atasoylu, O A Ozbek, A Ceylan, A Acikgoz, Z Tay, Y Demiral, M A Oktem, B Unal
OBJECTIVES: Despite an ongoing measles elimination programme, a measles outbreak occurred in 2013 in Turkey. Population-based seroprevalence studies are needed to determine seronegativity and explore the reasons for this outbreak. This study aimed to explore the seroprevalence of measles and its association with various social determinants in a provincial population in Turkey in the year following a measles outbreak. STUDY DESIGN: Cross-sectional study. METHODS: This study was conducted in Manisa Province in 2014 in a sample of 1740 people aged >2 years...
March 8, 2017: Public Health
https://www.readbyqxmd.com/read/28404469/hepatitis-b-virus-infection-in-aseer-region-south-western-saudi-arabia-a-call-for-an-immediate-action-against-a-preventable-disease
#18
S M Al Humayed, A A El-Mekki, A A Mahfouz
OBJECTIVES: The present study was designed as a large-scale cross-sectional study to cast some light on the magnitude of hepatitis B virus (HBV) infection in Aseer Region, south-western Saudi Arabia, a region reported to be of the highest endemicity. METHODS: During the WHO hepatitis day of 2013, an aggressive health education campaign was launched in all the hospitals and primary health care centres in Aseer Region. Posters were distributed to encourage the local population to visit the health facilities to be tested for HBV...
February 2, 2017: Public Health
https://www.readbyqxmd.com/read/28404464/density-of-day-cares-in-relation-to-reported-pertussis-incidence-in-philadelphia
#19
N D Goldstein, E C Newbern, L P Tabb, S L Welles
OBJECTIVES: Reported pertussis incidence has increased markedly in recent years. In addition to the documented increase in under-immunization and waning immunity, the increase may be related to the more frequent use of child care services by parents over the last few decades. Additionally, clustering of outbreaks may be related to neighborhood characteristics not previously identified. STUDY DESIGN: We conducted a citywide case-control study of children in Philadelphia aged birth through six years, between 2001 and 2013...
February 16, 2017: Public Health
https://www.readbyqxmd.com/read/28399801/is-the-impact-of-childhood-influenza-vaccination-less-than-expected-a-transmission-modelling-study
#20
Felix Weidemann, Cornelius Remschmidt, Silke Buda, Udo Buchholz, Bernhard Ultsch, Ole Wichmann
BACKGROUND: To reduce the burden of severe influenza, most industrialized countries target specific risk-groups with influenza vaccines, e.g. the elderly or individuals with comorbidities. Since children are the main spreaders, some countries have recently implemented childhood vaccination programs to reduce overall virus transmission and thereby influenza disease in the whole population. The introduction of childhood vaccination programs was often supported by modelling studies that predicted substantial incidence reductions...
April 11, 2017: BMC Infectious Diseases
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