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https://www.readbyqxmd.com/read/28938686/incidence-and-clearance-of-oral-human-papillomavirus-infection-a-population-based-cohort-study-in-rural-china
#1
Chaoting Zhang, Fangfang Liu, Yaqi Pan, Qiuju Deng, Xiang Li, Zhonghu He, Mengfei Liu, Tao Ning, Chuanhai Guo, Yongmei Liang, Ruiping Xu, Lixin Zhang, Hong Cai, Yang Ke
The natural history of oral human papillomavirus (HPV) infection which is linked with the increased incidence of oropharyngeal squamous cell cancer (OPSCC) has been incompletely studied. Oral swab specimens and questionnaire data were obtained bi-annually for up to 6 visits from 4314 healthy adults aged 25-69 in rural Anyang, China. HPV infection status was evaluated with PCR-based sequencing. Participants with at least two consecutive valid HPV results within the study period were included in the incidence and clearance analysis...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938026/hiv-exposed-seronegative-hesn-compared-to-hiv-infected-individuals-have-higher-frequencies-of-telomeric-killer-immunoglobulin-like-receptor-kir-b-motifs-contribution-of-kir-b-motif-encoded-genes-to-nk-cell-responsiveness
#2
Elise Jackson, Cindy Xinyu Zhang, Zahra Kiani, Irene Lisovsky, Benjamin Tallon, Alexa Del Corpo, Louise Gilbert, Julie Bruneau, Réjean Thomas, Pierre Côté, Benoit Trottier, Roger LeBlanc, Danielle Rouleau, Cécile Tremblay, Christos M Tsoukas, Jean-Pierre Routy, Xiaoyan Ni, Tsoarello Mabanga, Nicole F Bernard
Previously, we showed that Killer Immunoglobulin-like Receptor (KIR)3DS1 homozygotes (hmz) are more frequent in HIV exposed seronegative (HESN) than in recently HIV infected (HIV+) individuals. KIR3DS1 encodes an activating Natural Killer (NK) cell receptor (NKR). The link between KIR genotype and HIV outcomes likely arises from the function that NK cells acquire through expression of particular NKRs. An initial screen of 97 HESN and 123 HIV+ subjects for the frequency of KIR region gene carriage observed between-group differences for several telomeric KIR region loci...
2017: PloS One
https://www.readbyqxmd.com/read/28937799/can-diet-modulate-helicobacter-pylori-associated-gastric-pathogenesis-an-evidence-based-analysis
#3
Syed Faisal Zaidi, Kanwal Ahmed, Sheikh Abdul Saeed, Usmanghani Khan, Toshiro Sugiyama
Helicobacter pylori is involved in the pathogenesis of gastritis, peptic ulcer, and gastric cancer. The infection is prevalent in more than half of the world's population. Although the infection may lead to detrimental consequences, still the majority of the infected individuals only develop mild gastritis. Several factors are behind this paradoxical outcome including virulence of the infecting H. pylori strains, genetic background of the host, and factors related to lifestyle such as dietary habits. Among these, lifestyle including dietary factors was not in the limelight, until recently, as one of the important factors that could modulate H...
September 22, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28937416/a-novel-entity-of-corneal-diseases-with-irregular-posterior-corneal-surface-concept-and-clinical-relevance
#4
Takefumi Yamaguchi, Eisuke Shimizu, Yukari Yagi-Yaguchi, Daisuke Tomida, Yoshiyuki Satake, Jun Shimazaki
Various corneal diseases, such as hereditary corneal dystrophies, corneal infection, and bullous keratopathy, cause corneal opacity, scarring, and edema, leading to severely decreased visual acuity and loss of vision. These diseases were regarded as corneal opacity diseases, and the decreased visual acuity was considered to be predominantly caused by corneal opacity. The influence of corneal irregular astigmatism on vision has been poorly understood to date, mainly because accurate quantification of irregular astigmatism has been technically challenging...
September 19, 2017: Cornea
https://www.readbyqxmd.com/read/28937377/levels-of-interleukins-2-6-8-and-10-in-patients-with-irritable-bowel-syndrome
#5
Shaileshkumar R Patel, Anshul Singh, Vatsala Misra, Sri Prakash Misra, Manisha Dwivedi, Pawan Trivedi
Irritable bowel syndrome (IBS) was previously considered as a psychosomatic disorder. But recent studies indicate that inflammation plays a significant role. The present study was undertaken to evaluate role of pro-inflammatory (IL 2, IL 6 and IL 8) and anti-inflammatory (IL 10) cytokines in clinically diagnosed patients of IBS. 51 patients and 29 controls were included in this study. On the basis of history of gastrointestinal infection, patients were divided into Post Infectious (PIIBS) and Non Post Infectious (NPIIBS) groups...
July 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28937020/unique-characteristics-of-arid1a-mutation-and-protein-level-in-gastric-and-colorectal-cancer-a-meta-analysis
#6
REVIEW
Young-Sik Kim, Hoiseon Jeong, Jung-Woo Choi, Hwa Eun Oh, Ju-Han Lee
BACKGROUND/AIM: Recently, AT-rich interactive domain-containing 1A protein (ARID1A) has been identified as a novel tumor suppressor gene in gastric cancer (GC) and colorectal cancer (CRC). However, the clinicopathologic value of ARID1A mutation or protein level in GC and CRC patients is controversial. Hence, we conducted a meta-analysis on the relationship between ARID1A aberrations and clinicopathologic parameters in GC and CRC. MATERIALS AND METHODS: Relevant published studies were selected from PubMed and EMBASE...
September 2017: Saudi Journal of Gastroenterology: Official Journal of the Saudi Gastroenterology Association
https://www.readbyqxmd.com/read/28936965/-important-role-of-interleukin-35-in-infectious-diseases-and-its-significance
#7
Renqi Yao, Yao Wu, Bing Ma
Infectious diseases are resulted from the invasion of an organism's body tissues by multiple disease-causing agents. It has been demonstrated that the occurrence and development of infectious diseases are closely associated with the functional status of immune system. Cytokines play significant roles in modulating the host immune response to the clearance of pathogenic microorganisms and maintaining immune homeostasis. Interleukin-35 (IL-35), as a newly identified member of IL-12 family, exerts suppressive effect on immune response by means of a specific pattern...
September 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28936778/preferential-reduction-of-circulating-innate-lymphoid-cells-type-2-in-patients-with-common-variable-immunodeficiency-with-secondary-complications-is-part-of-a-broader-immune-dysregulation
#8
David Friedmann, Baerbel Keller, Ina Harder, Jonas Schupp, Yakup Tanriver, Susanne Unger, Klaus Warnatz
PURPOSE: Over a third of patients with common variable immunodeficiency (CVID) suffer from secondary complications like inflammatory organ disease, autoimmune manifestations, or lymphoproliferation contributing to increased morbidity and mortality in affected patients. Innate lymphoid cells (ILCs) have emerging roles in setting the milieu for physiological, but also pathological, immune responses and inflammation. We therefore sought to correlate the recently identified disturbed homeostasis of ILCs with alterations of the adaptive immune system in complex CVID patients (CVIDc)...
September 21, 2017: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/28936409/current-scenario-of-hepatitis-b-and-its-treatment-in-india
#9
REVIEW
Gautam Ray
Hepatitis B is a significant public health problem in India, yet disease awareness is very low among the general population. The disease is mostly acquired horizontally, but the role of vertical transmission should not be underestimated. In spite of the fact that the majority of cases are e negative disease, most patients present in the advanced stage and even with hepatocellular carcinoma, the leading cause of which is hepatitis B. High-risk groups (especially tribals) also harbour significant disease burden and have a high prevalence of occult infection, supporting the potential of unknowingly spreading the disease...
September 28, 2017: Journal of Clinical and Translational Hepatology
https://www.readbyqxmd.com/read/28936213/interferon-gamma-in-african-trypanosome-infections-friends-or-foes
#10
REVIEW
Hui Wu, Gongguan Liu, Meiqing Shi
African trypanosomes cause fatal infections in both humans and livestock. Interferon gamma (IFN-γ) plays an essential role in resistance to African trypanosomes. However, increasing evidence suggests that IFN-γ, when excessively synthesized, also induces immunopathology, enhancing susceptibility to the infection. Thus, production of IFN-γ must be tightly regulated during infections with African trypanosomes to ensure that a robust immune response is elicited without tissue destruction. Early studies have shown that secretion of IFN-γ is downregulated by interleukin 10 (IL-10)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28935919/split-dosing-of-artemisinins-does-not-improve-antimalarial-therapeutic-efficacy
#11
N J White, J Watson, E A Ashley
It has been suggested recently, based on pharmacokinetic-pharmacodynamic modelling exercises, that twice daily dosing of artemisinins increases malaria parasite killing and so could "dramatically enhance and restore drug effectiveness" in artemisinin resistant P. falciparum malaria infections. It was recommended that split dosing should be incorporated into all artemisinin combination regimen designs. To explain why parasite clearance rates were not faster with split dose regimens it was concluded that splenic malaria parasite clearance capacity was readily exceeded, resulting in the accumulation of dead parasites in the circulation, that parasite clearance was therefore an unreliable measure of drug efficacy, and instead that human immunity is the primary determinant of clearance rates...
September 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28935918/host-directed-therapies-for-bacterial-and-viral-infections
#12
REVIEW
Stefan H E Kaufmann, Anca Dorhoi, Richard S Hotchkiss, Ralf Bartenschlager
Despite the recent increase in the development of antivirals and antibiotics, antimicrobial resistance and the lack of broad-spectrum virus-targeting drugs are still important issues and additional alternative approaches to treat infectious diseases are urgently needed. Host-directed therapy (HDT) is an emerging approach in the field of anti-infectives. The strategy behind HDT is to interfere with host cell factors that are required by a pathogen for replication or persistence, to enhance protective immune responses against a pathogen, to reduce exacerbated inflammation and to balance immune reactivity at sites of pathology...
September 22, 2017: Nature Reviews. Drug Discovery
https://www.readbyqxmd.com/read/28935212/the-value-of-anticoccidials-for-sustainable-global-poultry-production
#13
REVIEW
Stefanie Kadykalo, Tara Roberts, Michelle Thompson, Jeff Wilson, Marcelo Lang, Olivier Espeisse
Coccidiosis is a self-limiting disease that is universally present in poultry operations, causing extensive damage to the intestinal lining of the bird. Global economic losses from coccidiosis are estimated to be $3 billion per year. In-feed anticoccidial use has been the predominant form of coccidiosis control. However, due to widespread emergence of antimicrobial resistance, concerns have been raised regarding the safety of anticoccidials and potential impact on human, animal, and environmental health. To investigate the alternatives, risks, and benefits to anticoccidial use, a comprehensive review of recent literature was conducted...
September 18, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28935193/celastrol-inhibits-hepatitis-c-virus-replication-by-upregulating-heme-oxygenase-1-via-the-jnk-mapk-nrf2-pathway-in-human-hepatoma-cells
#14
Chin-Kai Tseng, Sung-Po Hsu, Chun-Kuang Lin, Yu-Hsuan Wu, Jin-Ching Lee, Kung-Chia Young
BACKGROUND AND PURPOSE: Celastrol, a quinone methide triterpene isolated from the root extracts of Tripterygium wilfordii, can greatly induce the gene expression activity of heme oxygenase-1 (HO-1) to achieve disease prevention and control. HO-1 induction was recently shown to result in anti-HCV activity by inducing type I interferon and inhibiting hepatitis C virus (HCV) NS3/4A protease activity. The aim of the present study is to evaluate the anti-HCV activity of celastrol and characterize its mechanism of inhibition...
September 18, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28935008/coccidioidomycosis-in-an-indoor-housed-rhesus-macaque-macaca-mulatta
#15
Mila C Kundu, Michael A Ringenberg, Denise L d'Epagnier, Heather L Haag, Sean Maguire
Coccidioides spp. are saprophytic, dimorphic fungi that are endemic to arid climates, are capable of infecting many species, and result in diverse clinical presentations. An indoor-housed laboratory rhesus macaque presented with weight loss and decreased activity and appetite. During the diagnostic evaluation, a bronchiolar-alveolar pattern in the cranial lung lobes, consistent with bronchopneumonia, was noted on radiographs. Given the poor prognosis, the macaque was euthanized. Confirming the radiographic assessment, gross necropsy findings included multifocal to coalescing areas of consolidation in the right and left cranial lung lobes...
October 1, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28935001/lack-of-effect-of-murine-astrovirus-infection-on-dextran-sulfate-induced-colitis-in-nlrp3-deficient-mice
#16
Susan R Compton, Carmen J Booth, James D Macy
Murine astrovirus (MuAstV) is a recently identified, widespread infection among laboratory mice. MuAstV is found predominantly in the gastrointestinal tract of mice. Human and turkey astroviruses have been shown to disrupt tight junctions in the intestinal epithelium. The potential of MuAstV to alter research results was tested in a well-established dextran sodium sulfate (DSS)-induced colitis model in Nod-like receptor 3 (NLRP3)-deficient mice. This model offers a direct approach to determine whether MuAstV, as a component of the mouse microbiome, contributes to the issue of poor reproducibility in murine inflammatory bowel disease research...
October 1, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28934933/medicine-use-practices-in-management-of-symptoms-of-acute-upper-respiratory-tract-infections-in-children-%C3%A2-12%C3%A2-years-in-kampala-city-uganda
#17
Moses Ocan, Mary Aono, Clare Bukirwa, Emmanuel Luyinda, Cathy Ochwo, Elastus Nsambu, Stella Namugonza, Joseph Makoba, Enock Kandaruku, Hannington Muyende, Aida Nakawunde
BACKGROUND: Medicines are commonly accessed and used for management of illness in children without a prescription. This potentially increases the risk of unwanted treatment outcomes. We investigated medicine use practices in management of symptoms of acute upper respiratory tract infections among children (≤12 years) in households in Nakawa division, Kampala city. METHODS: This was a cross-sectional study conducted among 390 randomly selected children. Data on use of medicines in children (≤12 years) during recent episode of acute upper respiratory tract infection was collected from their care takers using an interviewer administered questionnaire...
September 21, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28934872/a-structural-equation-model-of-patient-healthcare-provider-relationships-and-hiv-infected-patient-outcomes-in-chinese-populations
#18
Wei-Ti Chen, Chengshi Shiu, Joyce P Yang, Peing Chuang, Lin Zhang, Meijuan Bao, Hongzhou Lu
Obtaining maximum antiretroviral therapy (ART) adherence is critical for maintaining a high CD4 count and strong immune function in PLWHA. Key factors for achieving optimum adherence include good medication self-efficacy, decreased medication-taking difficulties, and positive patient-healthcare provider (HCP) relationships. Limited studies have analyzed the correlation of these factors and ART adherence in Chinese population. In this paper, structural equation modeling was performed to assess the proposed model of relations between patient-HCP relationships and adherence...
September 21, 2017: AIDS Care
https://www.readbyqxmd.com/read/28934797/percutaneous-endoscopic-debridement-and-drainage-with-four-different-approach-methods-for-the-treatment-of-spinal-infection
#19
Eun-Ji Choi, Su-Young Kim, Hyuck-Goo Kim, Hong-Sik Shon, Tae-Kyun Kim, Kyung-Hoon Kim
BACKGROUND: The incidence of spinal infection seems to be increasing in recent years. Percutaneous endoscopic debridement and drainage (PEDD) has become an effective alternative to extensive open surgery. OBJECTIVE: This study reviewed the charter of patients who received PEDD using 4 different approach methods to evaluate the clinical results. STUDY DESIGN: An Institutional Review Board (IRB)-approved retrospective chart review. SETTING: University hospital inpatient referred to our pain clinic...
September 2017: Pain Physician
https://www.readbyqxmd.com/read/28934773/leptospirosis-in-three-workers-on-a-dairy-farm-with-unvaccinated-cattle
#20
Jackie Benschop, Julie Collins-Emerson, Allie Maskill, Patrick O'Connor, Margaret Tunbridge, Yuni Yupiana, Jenny Weston
AIM: We report a one-health investigation of three cases of leptospirosis on a dairy farm with unvaccinated cattle in New Zealand. The cases are discussed in the context of diagnostics, risk factors, persistence of symptoms and outbreak mitigation measures. METHOD: Clinical and laboratory records from the human cases were reviewed and serological and molecular investigations were conducted into the Leptospira status of cattle and pigs on the farm. RESULTS: Cases presented early in their illness and all three were confirmed within seven days of onset of symptoms by urine PCR and within 18 days by convalescent MAT (two Hardjo-bovis, one Pomona)...
September 22, 2017: New Zealand Medical Journal
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