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https://www.readbyqxmd.com/read/29150589/change-in-hydration-indices-associated-with-an-increase-in-total-water-intake-of-more-than-0-5%C3%A2-l-day-sustained-over-4%C3%A2-weeks-in-healthy-young-men-with-initial-total-water-intake-below-2%C3%A2-l-day
#1
Jodi D Stookey, Janice Hamer, David W Killilea
This secondary data analysis addressed gaps in knowledge about effects of chronic water intake. Longitudinal data from the Adapt Study were used to describe effects of prescribing a sustained increase in water intake relative to baseline, for 4 weeks, on multiple indices of total body water (TBW) flux, regulation, distribution, and volume in five healthy, free-living, young men, with mean total water intake initially below 2 L/day. Indices were measured weekly. Within-person fixed effect models tested for significant changes in indices over time and associations between changes in indices...
November 2017: Physiological Reports
https://www.readbyqxmd.com/read/29150362/prevalence-of-pediculus-capitis-in-schoolchildren-in-battambang-cambodia
#2
Chien-Wei Liao, Po-Ching Cheng, Ting-Wu Chuang, Kuan-Chih Chiu, I-Chen Chiang, Juo-Han Kuo, Yun-Hung Tu, Yu-Min Fan, Hai-Tao Jiang, Chia-Kwung Fan
BACKGROUND/PURPOSE: Pediculus capitis is the most common human ectoparasite. When it feeds on the blood through the scalp of its host, the anticoagulant in its saliva causes scalp inflammation and itching, and consequent scratching by the host causes further inflammation from bacterial infection. P. capitis infestation is currently a common parasitic dermatosis and a critical public health concern in underdeveloped countries. METHODS: Through naked eye inspection of P...
October 23, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/29149764/human-saliva-as-a-diagnostic-material
#3
REVIEW
Sylwia Chojnowska, Tomasz Baran, Iwona Wilińska, Paulina Sienicka, Iwona Cabaj-Wiater, Małgorzata Knaś
Today blood biochemical laboratory tests are essential elements to the diagnosis and monitoring of the treatment of diseases. However, many researchers have suggested saliva as an preferable diagnostic material. The collection of saliva is simple, painless, cheap and safe, both for patients and medical staff. An additional advantage of saliva is the fact that it may be retrieved several times a day, which makes repeat analysis much easier. Furthermore, saliva has very high durability. Although 94-99% of salivary content is water, saliva also contains numerous cellular elements and many organic and inorganic substances, including most biological markers present in the blood and urine that may be used in the early detection and monitoring of many dental and general diseases...
November 14, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29149225/chemical-analysis-in-saliva-and-the-search-for-salivary-biomarkers-a-tutorial-review
#4
Kamonwad Ngamchuea, Korbua Chaisiwamongkhol, Christopher Batchelor-McAuley, Richard G Compton
Biomarkers refer to analytes that can be used in the diagnosis of diseases or disorders. In saliva, there are many components that are potential biomarkers, and increasing research has focussed on the development of saliva as a diagnostic fluid. This review summarizes the existing uses of salivary biomarkers and highlights the importance of the choice of saliva collection as well as the storage procedures. A case study on the effect of collection tools on the concentrations of one of the potential biomarkers, glutathione, is highlighted...
November 17, 2017: Analyst
https://www.readbyqxmd.com/read/29149215/longitudinal-survey-of-two-serotine-bat-eptesicus-serotinus-maternity-colonies-exposed-to-eblv-1-european-bat-lyssavirus-type-1-assessment-of-survival-and-serological-status-variations-using-capture-recapture-models
#5
Emmanuelle Robardet, Christophe Borel, Marie Moinet, Dorothée Jouan, Marine Wasniewski, Jacques Barrat, Franck Boué, Elodie Montchâtre-Leroy, Alexandre Servat, Olivier Gimenez, Florence Cliquet, Evelyne Picard-Meyer
This study describes two longitudinal serological surveys of European Bat Lyssavirus type 1 (EBLV-1) antibodies in serotine bat (Eptesicus serotinus) maternity colonies located in the North-East of France. This species is currently considered as the main EBLV-1 reservoir. Multievent capture-recapture models were used to determine the factors influencing bat rabies transmission as this method accounts for imperfect detection and uncertainty in disease states. Considering the period of study, analyses revealed that survival and recapture probabilities were not affected by the serological status of individuals, confirming the capacity of bats to be exposed to lyssaviruses without dying...
November 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29148080/genetic-risk-factors-for-perception-of-symptoms-in-gerd-an-observational-cohort-study
#6
A Patel, S Hasak, B D Nix, G S Sayuk, R D Newberry, C P Gyawali
BACKGROUND: Genetic polymorphisms in G-protein beta-3 subunit (GNβ3) and beta-2 adrenergic receptor (ADRB2) are associated with pain and gut hypersensitivity, which can overlap with gastroesophageal reflux disease (GERD). AIM: To evaluate relationships between single nucleotide polymorphisms (SNPs) within GNβ3 and ADRB2 systems, and reflux symptom burden, GERD phenotypes from ambulatory reflux monitoring, and quality of life. METHODS: Symptomatic adults undergoing ambulatory reflux testing were recruited and phenotyped based on acid burden and symptom reflux association; major oesophageal motor disorders and prior foregut surgery were exclusions...
November 17, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29147853/biospecimen-donation-among-black-and-white-breast-cancer-survivors-opportunities-to-promote-precision-medicine
#7
Vanessa B Sheppard, Alejandra Hurtado-de-Mendoza, Yun-Ling Zheng, Ying Wang, Kristi D Graves, Tania Lobo, Hanfei Xu, Yvonne Jennings, Dennis Tolsma, Martha Trout, Brandi E Robinson, Brittany McKinnon, Mahlet Tadesse
PURPOSE: Advances in precision medicine (PM) have potential to reduce and/or eliminate breast cancer disparities in both treatment and survivorship. However, compared to white Americans, black Americans are often underrepresented in genetic research. This report assessed factors that influence receipt of buccal cells via saliva kits. METHODS: This prospective study recruited women with confirmed hormonal-positive (HR+) breast cancer (BC). A standardized telephone survey collected sociodemographic, socio-cultural (e...
November 16, 2017: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/29146960/assessing-species-biomass-contributions-in-microbial-communities-via-metaproteomics
#8
Manuel Kleiner, Erin Thorson, Christine E Sharp, Xiaoli Dong, Dan Liu, Carmen Li, Marc Strous
Microbial community structure can be analyzed by quantifying cell numbers or by quantifying biomass for individual populations. Methods for quantifying cell numbers are already available (e.g., fluorescence in situ hybridization, 16-S rRNA gene amplicon sequencing), yet high-throughput methods for assessing community structure in terms of biomass are lacking. Here we present metaproteomics-based methods for assessing microbial community structure using protein abundance as a measure for biomass contributions of individual populations...
November 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/29146948/a-rapid-response-ultrasensitive-biosensor-for-influenza-virus-detection-using-antibody-modified-boron-doped-diamond
#9
Dawid Nidzworski, Katarzyna Siuzdak, Paweł Niedziałkowski, Robert Bogdanowicz, Michał Sobaszek, Jacek Ryl, Paulina Weiher, Mirosław Sawczak, Elżbieta Wnuk, William A Goddard, Andrés Jaramillo-Botero, Tadeusz Ossowski
According to the World Health Organization (WHO), almost 2 billion people each year are infected worldwide with flu-like pathogens including influenza. This is a contagious disease caused by viruses belonging to the family Orthomyxoviridae. Employee absenteeism caused by flu infection costs hundreds of millions of dollars every year. To successfully treat influenza virus infections, detection of the virus during the initial development phase of the infection is critical, when tens to hundreds of virus-associated molecules are present in the patient's pharynx...
November 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29145785/adenosine-deaminase-activity-in-pig-saliva-analytical-validation-of-two-spectrophotometric-assays
#10
Fernando Tecles, Camila P Rubio, María D Contreras-Aguilar, Marina López-Arjona, Silvia Martínez-Miró, Silvia Martínez-Subiela, José J Cerón
We validated 2 assays for the measurement of adenosine deaminase (ADA) activity in the saliva of pigs: the Giusti-Galanti manual method (ADA-GG) and a commercial automated assay (Diazyme Laboratories; ADA-D). Intra-assay coefficients of variation (CVs) were <7 and 9%, and interassay CVs were <12 and 5%, for ADA-GG and ADA-D, respectively. Accuracy was measured by 2 methods: recovery and linearity-under-dilution. Recovery was 82.4-106.8% for ADA-GG, and 92.8-107.9% for ADA-D. Serial dilutions showed R(2) > 0...
November 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/29145707/relationship-between-testosterone-in-serum-saliva-and-urine-during-treatment-with-intramuscular-testosterone-undecanoate-in-gender-dysphoria-and-male-hypogonadism
#11
Y Lood, E Aardal-Eriksson, C Webe, J Ahlner, B Ekman, J Wahlberg
Long-term testosterone replacement therapy is mainly monitored by trough levels of serum testosterone (S-T), while urinary testosterone (U-T) is used by forensic toxicology to evaluate testosterone doping. Testosterone in saliva (Sal-T) may provide additional information and simplify the sample collection. We aimed to investigate the relationships between testosterone measured in saliva, serum and urine during standard treatment with 1,000 mg testosterone undecanoate (TU) every 12th week during 1 year. This was an observational study...
November 16, 2017: Andrology
https://www.readbyqxmd.com/read/29144218/characterization-of-a-glycine-rich-protein-from-rhipicephalus-microplus-tissue-expression-gene-silencing-and-immune-recognition
#12
B F Leal, M F Alzugaray, A Seixas, I Da Silva Vaz, C A S Ferreira
Salivary molecules, as glycine-rich proteins (GRPs), are essential to tick attachment and feeding on the host and are suggested to be involved in the host's immune system evasion, therefore representing natural candidates in the search for protective vaccine antigens. This work shows the molecular characterization of a GRP from Rhipicephalus microplus (RmGRP). The cDNA and putative amino acid sequences were analysed, as well as the transcription level in tick tissues/developmental stages, showing the highest levels of gene expression in 1-day-old larvae and salivary glands of fully engorged females...
November 16, 2017: Parasitology
https://www.readbyqxmd.com/read/29144169/bright-light-exposure-during-daytime-sleeping-affects-nocturnal-melatonin-secretion-after-simulated-night-work
#13
Shunsuke Nagashima, Madoka Osawa, Hiroto Matsuyama, Wataru Ohoka, Aemi Ahn, Tomoko Wakamura
The guidelines for night and shift workers recommend that after night work, they should sleep in a dark environment during the daytime. However, staying in a dark environment during the daytime reduces nocturnal melatonin secretion and delays its onset. Daytime bright-light exposure after night work is important for melatonin synthesis the subsequent night and for maintaining the circadian rhythms. However, it is not clear whether daytime sleeping after night work should be in a dim- or a bright-light environment for maintaining melatonin secretion...
November 16, 2017: Chronobiology International
https://www.readbyqxmd.com/read/29144007/analysis-of-surface-roughness-fracture-toughness-and-weibull-characteristics-of-different-framework-veneer-dental-ceramic-assemblies-after-grinding-polishing-and-glazing
#14
Guillermo Pradíes, Laura Godoy-Ruiz, Mutlu Özcan, Isabel Moreno-Hay, Francisco Martínez-Rus
PURPOSE: To compare the surface roughness and biaxial flexural strength of dental ceramics obtained after chairside surface modification by mechanical polishing procedures, versus laboratory reglazing. MATERIALS AND METHODS: Discs (16 × 1.5 ± 1.6 mm) (N = 90) of various framework-veneering combinations were fabricated: D/FC: lithium disilicate/feldspathic ceramic; Z/AL: zirconium dioxide/aluminous ceramic; N/FC: noble alloy/feldspathic ceramic; N/FF: noble alloy feldspathic with fluorapatite; B/FC: base alloy/feldspathic ceramic; B/FF: base alloy/feldspathic ceramic with fluorapatite...
November 16, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29143827/digestion-under-saliva-simulated-gastric-and-small-intestinal-conditions-and-fermentation-in-vitro-of-polysaccharides-from-the-flowers-of-camellia-sinensis-induced-by-human-gut-microbiota
#15
Dan Chen, Guijie Chen, Peng Wan, Bing Hu, Ligen Chen, Shiyi Ou, Xiaoxiong Zeng, Hong Ye
In the present study, digestion under saliva, simulated gastric and small intestinal conditions and fermentation in vitro of polysaccharides from the flowers of Camellia sinensis (TFPS) by human gut microbiota were investigated. The results indicated that human saliva and simulated gastric and intestinal juices had no effect on TFPS, while TFPS could be utilized by human fecal microbiota, which was proved from the decreased molecular weight and lower content of total or reducing sugars after fermentation under anaerobic conditions...
November 16, 2017: Food & Function
https://www.readbyqxmd.com/read/29143452/engineering-improved-variants-of-the-antifungal-peptide-histatin-5-with-reduced-susceptibility-to-candida-albicans-secreted-aspartic-proteases-and-enhanced-antimicrobial-potency
#16
Svetlana P Ikonomova, Parisa Moghaddam-Taaheri, Mary Ann Jabra-Rizk, Yan Wang, Amy J Karlsson
Candida albicans is an opportunistic fungal pathogen and a commensal organism that commonly colonizes mucosal surfaces, including those inside the human mouth. To help control C. albicans, human saliva contains the antifungal peptide histatin 5 (Hst-5), which has strong antifungal activity against C. albicans. However, the pathogen produces secreted aspartic proteases (Saps) that cleave Hst-5 at lysine residues and eliminate its antifungal properties. We designed variants of Hst-5 with its lysine residues substituted with arginine or leucine to evaluate the effect on proteolysis by Saps...
November 15, 2017: FEBS Journal
https://www.readbyqxmd.com/read/29142958/diagnostic-performance-of-a-saliva-urea-nitrogen-dipstick-to-detect-kidney-disease-in-malawi
#17
Rhys Evans, Viviane Calice-Silva, Jochen G Raimann, Ulla Hemmila, Alison Craik, Mwayi Mtekateka, Fergus Hamilton, Zuze Kawale, Hamish Dobbie, Gavin Dreyer, Nathan Levin, Peter Kotanko, Roberto Pecoits-Filho
Introduction: Kidney disease (KD), including acute kidney injury, is common, severe and leads to significant mortality in the developing world. However, simple tools to facilitate diagnosis and guide treatment are lacking. We studied the diagnostic performance of saliva urea nitrogen (SUN) measured by dipstick to diagnose KD in a low-resource setting. Methods: Medical admissions to a tertiary hospital in Malawi had serum creatinine tested at presentation; SUN was measured using a dipstick...
March 2017: KI Reports
https://www.readbyqxmd.com/read/29142863/rabbit-submandibular-salivary-gland-replantation
#18
Akram A Almansoori, Namuun Khentii, Wei-Hong Hei, Nari Seo, Sung-Ho Lee, Soung Min Kim, Jong Ho Lee
Objectives: To test the feasibility of submandibular salivary gland (SMG) replantation techniques and the survival of the replanted glands. Such a study can provide a rationale for later allotransplantation procedures, along with implementation of conventional and advanced immunosuppression therapy. Materials and Methods: Six SMG replantations were performed in New Zealand white rabbits. One week postoperatively, (99m)Tc scintigraphy was performed and the uptake ratio and salivary excretion fraction were calculated...
October 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/29141753/serological-evaluation-of-cutaneous-leishmania-tropica-infection-in-northern-israel
#19
Iva Rohoušová, Dalit Talmi-Frank, Michaela Vlková, Tatiana Spitzová, Koranit Rishpon, Charles L Jaffe, Petr Volf, Gad Baneth, Moshe Efrat
Leishmania spp. are medically important unicellular parasites transmitted by phlebotomine sand flies. The World Health Organization recently highlighted the importance of reliable diagnostic tools for leishmaniasis. Our study of human infection was conducted in two endemic foci of Leishmania tropica in the Galilee region, northern Israel. Elevated anti-Leishmania antibodies were present in the majority (78.6%) of L. tropica-PCR positive individuals. Moreover, the enzyme-linked immunosorbent assay showed high sensitivity, specificity, and negative and positive predictive values (ranging between 73% and 79%), thus fulfilling the basic requirement for future development of a serodiagnostic and screening tool...
October 23, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29138754/the-relation-between-periodontopathogenic-bacterial-levels-and-resistin-in-the-saliva-of-obese-type-2-diabetic-patients
#20
Natheer Al-Rawi, Farah Al-Marzooq
This study aims to investigate the relation between resistin and periodontopathogenic bacterial levels in the saliva of obese adults compared to healthy control and to examine whether salivary resistin can serve as a biomarker of type 2 diabetes in obese patients. A total of 78 saliva samples were collected from patients attending to the University Dental Hospital, Sharjah, UAE. The patients were divided into three equal groups: obese diabetics, obese nondiabetics, and nonobese nondiabetic control. Salivary resistin was measured using ELISA...
2017: Journal of Diabetes Research
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