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Salivary biomarkers

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https://www.readbyqxmd.com/read/27925794/endocrine-and-emotional-response-to-exclusion-among-women-and-men-cortisol-salivary-alpha-amylase-and-mood
#1
Liat Helpman, Julia Penso, Orna Zagoory-Sharon, Ruth Feldman, Eva Gilboa-Schechtman
BACKGROUND AND OBJECTIVES: Social exclusion is ubiquitous and painful. Evolutionary models indicate sex differences in coping with social stress. Recent empirical data suggests different sex patterns in hypothalamic-pituitary-adrenal (HPA) and sympathetic-adrenal-medullary (SAM) reactivity. The present study sought to test this hypothesis. DESIGN: We examined differences in endocrine and emotional response to exclusion by using a virtual ball tossing paradigm (Cyberball)...
December 7, 2016: Anxiety, Stress, and Coping
https://www.readbyqxmd.com/read/27925695/integrated-biomarker-profiling-of-smokers-with-periodontitis
#2
Radhakrishnan Nagarajan, Mohanad Al-Sabbagh, Dolph Dawson, Jeffrey Ebersole
: In the context of precision medicine, understanding patient-specific variation is an important step in developing targeted and patient-tailored treatment regimens for periodontitis. While several studies have successfully demonstrated the usefulness of molecular expression profiling in conjunction with single classifier systems in discerning distinct disease groups, the majority of these studies do not provide sufficient insights into potential variations within the disease groups. AIM: The goal of the present study is to discern biological response profiles of periodontitis and non-periodontitis smoking subjects using an informed panel of biomarkers across multiple scales (salivary, oral microbiome, pathogens and other markers)...
December 7, 2016: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/27924586/rna-sequencing-analysis-of-salivary-extracellular-rna
#3
Blanca Majem, Feng Li, Jie Sun, David T W Wong
Salivary biomarkers for disease detection, diagnostic and prognostic assessments have become increasingly well established in recent years. In this chapter we explain the current leading technology that has been used to characterize salivary non-coding RNAs (ncRNAs) from the extracellular RNA (exRNA) fraction: HiSeq from Illumina® platform for RNA sequencing. Therefore, the chapter is divided into two main sections regarding the type of the library constructed (small and long ncRNA libraries), from saliva collection, RNA extraction and quantification to cDNA library generation and corresponding QCs...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27907037/reliability-of-potential-pain-biomarkers-in-the-saliva-of-healthy-subjects-inter-individual-differences-and-intersession-variability
#4
Eva M Sobas, Roberto Reinoso, Rubén Cuadrado-Asensio, Itziar Fernández, Miguel J Maldonado, José C Pastor
AIM: Salivary cortisol, α-amylase (sAA), secretory IgA (sIgA), testosterone, and soluble fraction of receptor II of TNFα (sTNFαRII) could serve as objective pain measures, but the normal variability of these potential biomarkers is unknown. PATIENTS & METHODS: Saliva was collected with the passive secretion method from 34, pain-free subjects in two single samples at least 24 hours apart. Biomarker variation and intersession reliability were assessed with the intraclass correlation coefficient (ICC)...
2016: PloS One
https://www.readbyqxmd.com/read/27906987/human-igg-antibody-response-to-aedes-nterm-34kda-salivary-peptide-an-epidemiological-tool-to-assess-vector-control-in-chikungunya-and-dengue-transmission-area
#5
Emmanuel Elanga Ndille, Souleymane Doucoure, Anne Poinsignon, François Mouchet, Sylvie Cornelie, Eric D'Ortenzio, Jean Sébastien DeHecq, Franck Remoue
BACKGROUND: Arboviral diseases are an important public health concerns. Vector control remains the sole strategy to fight against these diseases. Because of the important limits of methods currently used to assess human exposure to Aedes mosquito bites, much effort is being devoted to develop new indicators. Recent studies have reported that human antibody (Ab) responses to Aedes aegypti Nterm-34kDa salivary peptide represent a promising biomarker tool to evaluate the human-Aedes contact...
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27905825/saliva-volatile-biomarkers-and-profiles
#6
Maciej Milanowski, Paweł Pomastowski, Tomasz Ligor, Bogusław Buszewski
Saliva is an aqueous fluid found in the oral cavity playing fundamental role in the preservation and maintenance of oral health. Apart from higher-molecular-weight constituents it contains volatile organic compounds (VOCs) that may origin from such sources as blood or be result of bacterial metabolism. They can also reach the oral fluid through dissolving of volatiles from breath and consumed foods. Some of them may serve as biomarkers of various diseases, such as dimethyl disulfide (halitosis), pyridine (periodontal disease) and trimethylamine (trimethylaminuria) or occupational exposure...
December 1, 2016: Critical Reviews in Analytical Chemistry
https://www.readbyqxmd.com/read/27903834/saliva-diagnostics-current-views-and-directions
#7
Karolina Elżbieta Kaczor-Urbanowicz, Carmen Martin Carreras-Presas, Katri Aro, Michael Tu, Franklin Garcia-Godoy, David Tw Wong
In this review, we provide an update on the current and future applications of saliva for diagnostic purposes. There are many advantages of using saliva as a biofluid. Its collection is fast, easy, inexpensive, and non-invasive. In addition, saliva, as a "mirror of the body," can reflect the physiological and pathological state of the body. Therefore, it serves as a diagnostic and monitoring tool in many fields of science such as medicine, dentistry, and pharmacotherapy. Introduced in 2008, the term "Salivaomics" aimed to highlight the rapid development of knowledge about various "omics" constituents of saliva, including: proteome, transcriptome, micro-RNA, metabolome, and microbiome...
November 29, 2016: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27901320/salivary-dna-methylation-profiling-aspects-to-consider-for-biomarker-identification
#8
Sabine A S Langie, Matthieu Moisse, Ken Declerck, Gudrun Koppen, Lode Godderis, Wim Vanden Berghe, Stacy Drury, Patrick De Boever
Is it not more comfortable to spit saliva in a tube than to be pricked with a needle to draw blood to analyse your health and disease risk? A lot of patients, study participants and (parents of) young children undoubtedly prefer non-invasive and convenient procedures. Such procedures increase compliance rates especially for longitudinal prospective studies. Saliva is an attractive biofluid providing good quality DNA to study epigenetic mechanisms underlying disease across development. In this MiniReview, we will describe the different applications of saliva in the field of epigenetics, focusing on genome-wide methylation analysis...
November 30, 2016: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27901184/evaluation-of-salivary-oxidative-parameters-in-overweight-and-obese-young-adults
#9
Eduardo Ottobelli Chielle, Jeferson Noslen Casarin
Background: Obesity is characterized by a deposition of abnormal or excessive fat in adipose tissue, and is linked with a risk of damage to several metabolic and pathological processes associated with oxidative stress. To date, salivary oxidative biomarkers have been minimally explored in obese individuals. Thus, the aim of this study was to assess the concentrations of salivary oxidative biomarkers (ferric-reducing antioxidant power, uric acid, sulfhydryl groups) and lipid peroxidation in obese and overweight young subjects...
November 24, 2016: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27900324/low-expression-of-angiotensinogen-and-dipeptidyl-peptidase-1-in-saliva-of-patients-with-proliferative-verrucous-leukoplakia
#10
Isadora Luana Flores, Alan Roger Santos-Silva, Ricardo Della Coletta, Adriana Franco Paes Leme, Marcio Ajudarte Lopes
AIM: To elucidate the profile of the salivary proteome. METHODS: Unstimulated whole mouth saliva was collected from 30 volunteers [15 proliferative verrucous leukoplakia (PVL) patients and 15 controls] and proteins were submitted for mass spectrometry-based proteomics using the discovery approach, followed by analyses of variance and logistic regression tests. RESULTS: A total of two hundred and eighty-three proteins were confidently identified in saliva...
November 16, 2016: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/27900251/salivary-biomarkers-in-oral-squamous-cell-carcinoma-an-insight
#11
REVIEW
T Radhika, Nadeem Jeddy, S Nithya, R M Muthumeenakshi
Oral cancer refers to the malignancies that occur in the oral cavity, lip and pharynx with 90% of oral cancers being squamous cell carcinomas (OSCC). OSCC has the highest mortality ratio compared to other carcinomas. Although oral cavity is easily accessible, most oral cancers are detected at a later stage leading to lower survival rates. Early detection of OSCC is a key factor in improving the prognosis and survival rate of the patient. Rapid advancement in the field of diagnosis has enabled early diagnosis of many potentially malignant conditions even before its clinical manifestations...
November 2016: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/27898189/salivary-biomarkers-as-tools-for-oral-squamous-cell-carcinoma-diagnosis-a-systematic-review
#12
REVIEW
Vitor T Stuani, Cassia M F Rubira, Adriana C P Sant'Ana, Paulo S S Santos
BACKGROUND: The oral squamous cell carcinoma (OSCC) survival rate is influenced by the fact that diagnoses occur mostly in late stages of the disease. Thus, there is a clear contribution in the early findings, making the use of minimally invasive techniques for diagnosis, such as analysis of salivary markers, interesting tools. METHODS: A systematic review was performed with all studies that establish a comparison between the levels of saliva-based markers found in patients with OSCC compared with cancer-free individuals...
November 29, 2016: Head & Neck
https://www.readbyqxmd.com/read/27895150/effects-of-va-facility-dog-on-hospitalized-veterans-seen-by-a-palliative-care-psychologist-an-innovative-approach-to-impacting-stress-indicators
#13
Cheryl A Krause-Parello, Cari Levy, Elizabeth Holman, John E Kolassa
The United States is home to 23 million veterans. In many instances, veterans with serious illness who seek healthcare at the VA receive care from a palliative care service. Animal-assisted intervention (AAI) is gaining attention as a therapeutic stress reducing modality; however, its effects have not been well studied in veterans receiving palliative care in an acute care setting. A crossover repeated-measures study was conducted to examine the effects of an animal-assisted intervention (AAI) in the form of a therapy dog on stress indicators in 25 veterans on the palliative care service at the VA Eastern Colorado Healthcare System in Denver, CO...
November 28, 2016: American Journal of Hospice & Palliative Care
https://www.readbyqxmd.com/read/27895106/saliva-exosomes-from-pancreatic-tumor-bearing-mice-modulate-nk-cell-phenotype-and-antitumor-cytotoxicity
#14
Stergios Katsiougiannis, David Chia, Yong Kim, Ram P Singh, David T W Wong
Tumor exosomes are emerging as antitumor immunity regulators; however, their effects on secondary exosome secretion by distal organs have not been explored. We have previously demonstrated that suppression of exosomes at the distal tumor site of pancreatic ductal adenocarcinoma (PDAC) ablated the development of salivary biomarker profile. Here, we explore the function of salivary exosomes from tumor-bearing mice in immune surveillance. We provide evidence that salivary exosomes from mice with PDAC exhibit a suppressive effect that results in reduced tumor-killing capacity by NK cells...
November 28, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/27891302/epidemiology-of-sj%C3%A3-gren-s-syndrome-from-an-oral-perspective
#15
REVIEW
Anne Isine Bolstad, Kathrine Skarstein
Oral symptoms are among the most distressing manifestations for patients with Sjögren's syndrome (SS). The feeling of dry mouth is unpleasant, and hyposalivation may contribute to difficulty in speaking, chewing and swallowing and reduced quality of life. Reduced salivary flow increases the risk for dental caries and problems with prosthetic replacement. It seems that SS is not as frequently occurring as previously anticipated. Population-based prevalence studies on primary SS in Europe, conducted on large background populations and in accordance with the AECG criteria, reported of a prevalence of 1-9 cases per 10,000 people...
2016: Current Oral Health Reports
https://www.readbyqxmd.com/read/27887661/biochemical-and-proteomic-analyses-of-the-physiological-response-induced-by-individual-housing-in-gilts-provide-new-potential-stress-markers
#16
Anna Marco-Ramell, Laura Arroyo, Raquel Peña, Raquel Pato, Yolanda Saco, Lorenzo Fraile, Emøke Bendixen, Anna Bassols
BACKGROUND: The objective assessment of animal stress and welfare requires proper laboratory biomarkers. In this work, we have analyzed the changes in serum composition in gilts after switching their housing, from pen to individual stalls, which is generally accepted to cause animal discomfort. RESULTS: Blood and saliva samples were collected a day before and up to four days after changing the housing system. Biochemical analyses showed adaptive changes in lipid and protein metabolism after the housing switch, whereas cortisol and muscular markers showed a large variability between animals...
November 25, 2016: BMC Veterinary Research
https://www.readbyqxmd.com/read/27886013/is-salivary-chromogranin-a-a-valid-psychological-stress-biomarker-during-sensory-stimulation-in-people-with%C3%A2-advanced-dementia
#17
Vanessa Valdiglesias, Ana Maseda, Laura Lorenzo-López, Eduardo Pásaro, José C Millán-Calenti, Blanca Laffon
Salivary chromogranin A (sCgA) is gaining attention as a biomarker of psychological stress. The objective of this work was to determine whether individualized music intervention and multisensory stimulation environment (MSSE) in a Snoezelen room produce changes in sCgA in severely demented older patients, and to assess the possible existence of differences in sCgA levels between the two types of interventions. Older adults with severe dementia (n = 22) were randomly assigned to two intervention groups. They participated in MSSE or individualized music interventions in 30-min weekly sessions for 16 weeks...
November 19, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27881474/cancer-secretome-may-influence-bsp-and-dsp-expression-in-human-salivary-gland-cells
#18
Samantha Lynn Hamilton, Blake Ferando, Asha Sarah Eapen, Jennifer Chian Yu, Anita Rose Joy
One of the biggest challenges in managing head and neck cancers, especially salivary gland cancers, is the identification of secreted biomarkers of the disease that can be evaluated noninvasively. A relevant source of enriched tumor markers could potentially be found in the tumor secretome. Although numerous studies have evaluated secretomes from various cancers, the influence of the cancer secretome derived from salivary gland cancers on the behavior of normal cells has not yet been elucidated. Our data indicate that secretome derived from salivary gland cancer cells can influence the expression of two potential biomarkers of oral cancer-namely, bone sialoprotein (BSP) and dentin sialoprotein (DSP)-in normal salivary gland cells...
November 23, 2016: Journal of Histochemistry and Cytochemistry: Official Journal of the Histochemistry Society
https://www.readbyqxmd.com/read/27876406/adenotonsillectomy-can-decrease-enuresis-and-sympathetic-nervous-activity-in-children-with-obstructive-sleep-apnea-syndrome
#19
Hao Ding, Mengmei Wang, Ke Hu, Jing Kang, Si Tang, Wen Lu, Lifang Xu
BACKGROUND: The nocturnal intermittent hypoxia caused by obstructive sleep apnea syndrome (OSAS) can provoke the sympathetic nervous activity (SNA). Salivary alpha-amylase (sAA) is a sensitive, non-invasive biomarker for reflecting the SNA, and a useful marker for pediatric OSAS subjects. Adenotonsillar hypertrophy (ATH) is the most commonly identified risk factor in OSAS childhood, therefore, several studies showed that the adenotonsillectomy (T&A) may alleviate nocturnal enuresis (NE) in children with OSAS...
November 9, 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27862926/emerging-technologies-for-salivaomics-in-cancer-detection
#20
REVIEW
Karolina Elżbieta Kaczor-Urbanowicz, Carmen Martín Carreras-Presas, Tadeusz Kaczor, Michael Tu, Fang Wei, Franklin Garcia-Godoy, David T W Wong
Salivary diagnostics has great potential to be used in the early detection and prevention of many cancerous diseases. If implemented with rigour and efficiency, it can result in improving patient survival times and achieving earlier diagnosis of disease. Recently, extraordinary efforts have been taken to develop non-invasive technologies that can be applied without complicated and expensive procedures. Saliva is a biofluid that has demonstrated excellent properties and can be used as a diagnostic fluid, since many of the biomarkers suggested for cancers can also be found in whole saliva, apart from blood or other body fluids...
November 13, 2016: Journal of Cellular and Molecular Medicine
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