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https://www.readbyqxmd.com/read/27907037/reliability-of-potential-pain-biomarkers-in-the-saliva-of-healthy-subjects-inter-individual-differences-and-intersession-variability
#1
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/27895853/expression-of-liver-alpha-amylase-in-obese-mouse-hepatocytes
#2
Zohreh Afsartala, Sanaz Savabkar, Ehsan Nazemalhosseini Mojarad, Vahideh Assadollahi, Shima Tanha, Khosro Bijangi, Mohammadreza Gholami
AIM: The aim of this study is to demonstrate the relation between the expression of liver alpha-amylase and obesity. BACKGROUND: Alpha-amylase catalyses the hydrolysis of 1, 4-alpha-glucosidic linkages in polysaccharides and has three main subtypes, including: salivary, pancreatic, and hepatic. Hepatic alpha-amylase is involved in glycogen metabolism, and has a role in obesity and its management. In this study, we aimed to analyze the expression of liver alpha-amylase in overweight and obese mouse...
2016: Gastroenterology and Hepatology From Bed to Bench
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
#3
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/27892761/autonomic-markers-associated-with-generalized-social-phobia-symptoms-heart-rate-variability-and-salivary-alpha-amylase
#4
María J García-Rubio, Laura Espín, Vanesa Hidalgo, Alicia Salvador, Jesús Gómez-Amor
The study of autonomic nervous system changes associated with generalized social phobia (GSP) disorder has increased in recent years, showing contradictory results. The present study aimed to evaluate how young people with GSP reacted before, during, and after exposure to the Trier Stress Social Test (TSST), focusing on their autonomic changes (heart rate variability, HRV, and salivary alpha-amylase, sAA) compared to a control group (non-GSP). Some psychological variables were also considered. Sex was specifically studied as a possible modulator of autonomic fluctuations and psychological state...
November 28, 2016: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/27876406/adenotonsillectomy-can-decrease-enuresis-and-sympathetic-nervous-activity-in-children-with-obstructive-sleep-apnea-syndrome
#5
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/27875756/patterns-of-cortisol-and-alpha-amylase-reactivity-to-psychosocial-stress-in-maltreated-women
#6
Alyssa S Mielock, Matthew C Morris, Uma Rao
BACKGROUND: Childhood maltreatment can trigger enduring changes in major stress response systems, particularly in the context of major depressive disorder (MDD). However, the relative impact of maltreatment versus MDD on hypothalamic-pituitary-adrenal axis and sympathetic-adrenal-medullary system stress reactivity is not well understood. METHOD: This study examined salivary cortisol and alpha-amylase responses to the Trier Social Stress Test (TSST) in 26 maltreated (15 with current MDD) and 26 non-maltreated (17 with current MDD) women...
November 16, 2016: Journal of Affective Disorders
https://www.readbyqxmd.com/read/27867700/mental-stress-assessment-using-simultaneous-measurement-of-eeg-and-fnirs
#7
Fares Al-Shargie, Masashi Kiguchi, Nasreen Badruddin, Sarat C Dass, Ahmad Fadzil Mohammad Hani, Tong Boon Tang
Previous studies reported mental stress as one of the major contributing factors leading to various diseases such as heart attack, depression and stroke. An accurate stress assessment method may thus be of importance to clinical intervention and disease prevention. We propose a joint independent component analysis (jICA) based approach to fuse simultaneous measurement of electroencephalography (EEG) and functional near-infrared spectroscopy (fNIRS) on the prefrontal cortex (PFC) as a means of stress assessment...
October 1, 2016: Biomedical Optics Express
https://www.readbyqxmd.com/read/27854320/the-effect-of-exercise-on-salivary-viscosity
#8
Antoon J M Ligtenberg, Erwin H S Liem, Henk S Brand, Enno C I Veerman
A common experience after exercise is the presence of a thick and sticky saliva layer on the oral surfaces, which causes a feeling of a dry mouth. Since the salivary mucin MUC5B is responsible for the visco-elastic behavior of saliva, in the present study we explored the effect of exercise on both the salivary viscosity and the secretion of MUC5B in saliva. Twenty healthy dental students performed an aerobic exercise by cycling for 15 min on cycle-ergometers at a heart rate of 130-140 beats per minute. Saliva was collected at three time points: before exercise, immediately after exercise and after 30 min recovery...
November 16, 2016: Diagnostics
https://www.readbyqxmd.com/read/27816275/relationship-between-salivary-biomarkers-and-postoperative-swelling-after-the-extraction-of-impacted-lower-third-molars
#9
A Gutiérrez-Corrales, E Campano-Cuevas, G Castillo-Dalí, M-Á Serrera-Figallo, D Torres-Lagares, J-L Gutiérrez-Pérez
Many authors have studied various different parameters in relation to postoperative anxiety after the extraction of third molars. However, the effect that the acute inflammatory process occurring post extraction could have on these parameters has not been studied. Certain salivary biomarkers, although not specifically inflammatory, may be affected by the acute inflammatory process occurring following the extraction of a retained lower third molar. Three biomarkers were assessed in this study: total protein, immunoglobulin A (IgA), and alpha-amylase...
November 2, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27815214/noradrenergic-mechanisms-of-arousal-s-bidirectional-effects-on-episodic-memory
#10
David Clewett, Michiko Sakaki, Shawn Nielsen, Giselle Petzinger, Mara Mather
Arousal's selective effects on cognition go beyond the simple enhancement of emotional stimuli, sometimes enhancing and other times impairing processing of proximal neutral information. Past work shows that arousal impairs encoding of subsequent neutral stimuli regardless of their top-down priority via the engagement of β-adrenoreceptors. In contrast, retrograde amnesia induced by emotional arousal can flip to enhancement when preceding neutral items are prioritized in top-down attention. Whether β-adrenoreceptors also contribute to this retrograde memory enhancement of goal-relevant neutral stimuli is unclear...
November 2, 2016: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/27806018/perceived-discrimination-racial-identity-and-multisystem-stress-response-to-social-evaluative-threat-among-african-american-men-and-women
#11
Todd Lucas, Rhiana Wegner, Jennifer Pierce, Mark A Lumley, Heidemarie K Laurent, Douglas A Granger
OBJECTIVES: Understanding individual differences in the psychobiology of the stress response is critical to grasping how psychosocial factors contribute to racial and ethnic health disparities. However, the ways in which environmentally sensitive biological systems coordinate in response to acute stress is not well understood. We used a social-evaluative stress task to investigate coordination among the autonomic nervous system, hypothalamic-pituitary-adrenal axis, and immune/inflammatory system in a community sample of 85 healthy African American men and women...
November 1, 2016: Psychosomatic Medicine
https://www.readbyqxmd.com/read/27800633/evaluation-of-salivary-catalase-vitamin-c-and-alpha-amylase-in-smokers-and-non-smokers-a-retrospective-cohort-study
#12
Fatemeh Ahmadi-Motamayel, Parisa Falsafi, Mohammad Taghi Goodarzi, Jalal Poorolajal
BACKGROUND: Saliva and its defence systems such as antioxidants and minerals are very important in the pathogenesis of different diseases. Cigarette smoking has many destructive effects. Oxidative stresses play an important role in the side effects of smoking. This study assessed the effect of cigarette smoking on salivary levels of catalase, vitamin C, and α-amylase. METHODS: This retrospective cohort study was carried out in Hamadan, Iran, on 510 subjects; 259 subjects were smokers (the exposed group) and 251 were non-smokers (the unexposed group)...
November 1, 2016: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/27786517/diurnal-salivary-alpha-amylase-dynamics-among-dementia-family-caregivers
#13
Yin Liu, Douglas A Granger, Kyungmin Kim, Laura C Klein, David M Almeida, Steven H Zarit
Objective: The study examined diurnal regulation of salivary alpha-amylase (sAA) in association with daily stressors, adult day services (ADS) use, and other caregiving characteristics. Method: A sample of 165 family caregivers of individuals with dementia (IWD) completed an 8-day diary study. Caregivers provided 5 saliva samples across the 8 days. On some days, caregivers provided all or most of the care. On other days, their relative attended ADS for part of the day. A 3-level unconditional linear spline model was fit to describe the typical sAA diurnal rhythms...
October 27, 2016: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
https://www.readbyqxmd.com/read/27783935/proximity-to-major-roadways-and-prospectively-measured-time-to-pregnancy-and-infertility
#14
Pauline Mendola, Rajeshwari Sundaram, Germaine M Buck Louis, Liping Sun, Maeve E Wallace, Melissa M Smarr, Seth Sherman, Yeyi Zhu, Qi Ying, Danping Liu
We aimed to study the potential impact of proximity to major roadways on time-to-pregnancy and infertility in couples attempting pregnancy in the Longitudinal Investigation of Fertility and Environment (LIFE) study (2005-2009), a population-based, prospective cohort study. Couples attempting pregnancy (n=500) were enrolled and followed prospectively until pregnancy or 12months of trying and 393 couples (78%) had complete data and full follow-up. Time-to-pregnancy was based on a standard protocol using fertility monitors, tracking estrone-3-glucuonide and luteinizing hormone, and pregnancy test kits to detect human chorionic gonadotropin (hCG)...
October 23, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27770482/a-glycoprotein-%C3%AE-amylase-inhibitor-from-withania-somnifera-differentially-inhibits-various-%C3%AE-amylases-and-affects-growth-and-development-of-tribolium-castaneum
#15
Sainath S Kasar, Kiran R Marathe, Amey J Bhide, Abhijeet P Herwade, Ashok P Giri, Vijay L Maheshwari, Pankaj K Pawar
BACKGROUND: Identification and characterization of plant defensive molecules enrich our resources to design crop protection strategies. In particular, plant derived proteinaceous inhibitor(s) of insect digestive enzymes appear to be a safe, sustainable and attractive option. RESULTS: A glycoprotein having non-competitive α-amylase inhibitory activity with molecular weight 8.3 kDa was isolated and purified from seeds of Withania somnifera (WSAI). Its mass spectrometry analysis revealed 59% sequence coverage with Wrightide II type α-AI from Wrightia religiosa...
October 22, 2016: Pest Management Science
https://www.readbyqxmd.com/read/27747788/aerobic-fitness-level-affects-cardiovascular-and-salivary-alpha-amylase-responses-to-acute-psychosocial-stress
#16
Thomas Wyss, Maria Boesch, Lilian Roos, Céline Tschopp, Klaus M Frei, Hubert Annen, Roberto La Marca
BACKGROUND: Good physical fitness seems to help the individual to buffer the potential harmful impact of psychosocial stress on somatic and mental health. The aim of the present study is to investigate the role of physical fitness levels on the autonomic nervous system (ANS; i.e. heart rate and salivary alpha amylase) responses to acute psychosocial stress, while controlling for established factors influencing individual stress reactions. METHODS: The Trier Social Stress Test for Groups (TSST-G) was executed with 302 male recruits during their first week of Swiss Army basic training...
December 2016: Sports Medicine—Open
https://www.readbyqxmd.com/read/27744116/differential-effects-of-total-and-partial-sleep-deprivation-on-salivary-factors-in-wistar-rats
#17
Dr T J Lasisi, S T Shittu, C C Meludu, A A Salami
OBJECTIVE: Aim of this study was to investigate the effects of sleep deprivation on salivary factors in rats. DESIGN: Animals were randomly assigned into three groups of 6 animals each as control, total sleep deprivation (TSD) and partial sleep deprivation (PSD) groups. The multiple platform method was used to induce partial and total sleep deprivation for 7days. On the 8th day, stimulated saliva samples were collected for the analysis of salivary lag time, flow rate, salivary amylase activity, immunoglobulin A secretion rate and corticosterone levels using ELISA and standard kinetic enzyme assay...
September 26, 2016: Archives of Oral Biology
https://www.readbyqxmd.com/read/27720350/cytogenetic-and-immunohistochemical-characterization-of-mammary-analogue-secretory-carcinoma-of-salivary-glands
#18
Syed A Khurram, Jemel Sultan-Khan, Neil Atkey, Paul M Speight
OBJECTIVES: Mammary analogue secretory carcinoma (MASC), initially considered a subset of acinic cell carcinoma (ACC), harbors an ETV6 translocation [t(12:15)(p13:25 q)] and is now regarded as a distinct entity. Several putative markers to differentiate MASC from ACC have been reported; however, the immunohistochemical profile is still being explored and updated. The purpose of this study was to further explore the cytogenetic and immunohistochemical profile of MASC. STUDY DESIGN: Cases were analyzed for ETV6 translocation using fluorescent in situ hybridization and stained for CK8, amylase, mammaglobin, GCDFP-15, MUC1, MUC4, STAT5a, Ki-67 (n = 37), CK7, Cam5...
July 20, 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/27693759/design-and-evaluation-of-a-park-prescription-program-for-stress-reduction-and-health-promotion-in-low-income-families-the-stay-healthy-in-nature-everyday-shine-study-protocol
#19
Nooshin Razani, Michael A Kohn, Nancy M Wells, Doug Thompson, Hanna Hamilton Flores, George W Rutherford
BACKGROUND: Contact with nature improves human health; stress reduction is a mediating pathway. Stay Healthy in Nature Everyday (SHINE) is a stress reduction and health promotion intervention for low-income families at an urban Federally Qualified Health Center. We plan to evaluate two service-delivery models for SHINE and present here the intervention design and evaluation protocol. METHODS: Behavioral change theory and environmental education literature informed the intervention...
September 29, 2016: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/27693575/stress-reactivity-and-personality-in-extreme-sport-athletes-the-psychobiology-of-base-jumpers
#20
Erik Monasterio, Omer Mei-Dan, Anthony C Hackney, Amy R Lane, Igor Zwir, Sandor Rozsa, C Robert Cloninger
This is the first report of the psychobiology of stress in BASE jumpers, one of the most dangerous forms of extreme sport. We tested the hypotheses that indicators of emotional style (temperament) predict salivary cortisol reactivity, whereas indicators of intentional goal-setting (persistence and character) predict salivary alpha-amylase reactivity during BASE jumping. Ninety-eight subjects completed the Temperament and Character Inventory (TCI) the day before the jump, and 77 also gave salivary samples at baseline, pre-jump on the bridge over the New River Gorge, and post-jump upon landing...
September 29, 2016: Physiology & Behavior
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