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salivary amylase

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https://www.readbyqxmd.com/read/28716529/the-pro-inflammatory-cytokines-salivary-cortisol-and-alpha-amylase-are-associated-with-generalized-anxiety-disorder-gad-in-patients-with-asthma
#1
Chang-Jiang Yang, Di Liu, Zhen-Sheng Xu, Shen-Xun Shi, Yi-Jie Du
Generalized anxiety disorder (GAD) is common in patients with asthma. High levels of GAD may lead both to exacerbation of the condition and poor management. However, the physiological mechanisms of GAD in asthma patient is unclear. This study investigated the associations between the diurnal rhythm of sputum cytokines, salivary cortisol, α-amylase and GAD in asthma patients. Patients with co-morbid GAD and asthma showed higher sputum IL-1 AUC, sputum IL-6 AUC and sAA AUC. And there were positive correlations between Hamilton anxiety scale (HAMA) scores and sputum IL-1 AUC concentrations (r=0...
July 14, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28711894/-markers-of-dental-children-s-health-in-the-application-of-therapeutic-orthodontic-equipment
#2
Аліса В Пачевська, Аліна В Білошицька
INTRODUCTION: Treatment of teeth anomalies using removable and non-removable orthodontic devices in children leads to complications such as caries, gingivitis, periodontitis, oral mucosa hyperplasia. Etiopathogenetical of these diseases can be associated with biochemical changes in the composition of saliva. AIM: To determine the activity of lysozyme and amylase in oral fluid in children when using a fixed and removable orthodontic devices. MATERIALS AND METHODS: Amylase and lysozyme were studied in oral fluid...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28700470/salivary-alpha-amylase-salivary-cortisol-and-anxiety-during-a-youth-taekwondo-championship-an-observational-study
#3
Laura Capranica, Giancarlo Condello, Francesco Tornello, Teresa Iona, Salvatore Chiodo, Anna Valenzano, Mario De Rosas, Giovanni Messina, Antonio Tessitore, Giuseppe Cibelli
The aim of this study was to assess the stress-related responses and the coach's capability to match perceived efforts of youth athletes during a taekwondo championship.Using a cross-sectional study design, salivary cortisol (sC) and alpha-amylase (sAA) were measured in 6 males and 3 females young (11.0 ± 0.9 years) athletes at awakening, 5 minutes before, and 1 minute and 30 minutes after official combats. State anxiety was recorded 60 minutes before the first competition, whereas coach's and athletes' ratings of perceived exertion (RPE) were obtained at the end of the combats...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28693593/psychological-stress-is-related-to-a-decrease-of-serum-anti-m%C3%A3-llerian-hormone-level-in-infertile-women
#4
Yue-Zhi Dong, Fei-Jing Zhou, Ying-Pu Sun
BACKGROUND: Stress exposure has been proved to be linked to reproductive failure. The reproductive potential of women depends on the ovarian reserve. Anti-müllerian hormone (AMH) has been proved a reliable clinical marker of ovarian reserve. However, the correlation between psychological stress and AMH level is not clear. METHODS: A cross-sectional study including 576 women was conducted. AMH concentration was tested to reflect the ovarian reserve. Salivary alpha-amylase (SAA) level was measured to assess the stress of patients objectively...
July 11, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28692340/salivary-cortisol-and-alpha-amylase-is-there-consistency-between-psychosocial-stress-test-and-burdensome-work-shifts
#5
Kati Karhula, Mikko Härmä, Mikael Sallinen, Harri Lindholm, Ari Hirvonen, Marko Elovainio, Mika Kivimäki, Jussi Vahtera, Sampsa Puttonen
This study examined the consistency of salivary cortisol and alpha-amylase (sAA) total daily secretion between laboratory and field circumstances. The 95 participants were shift working female health care professionals with high (n = 53) or low (n = 42) psychosocial stress (job strain) measured by the Job Content Questionnaire (JCQ). The Trier Social Stress Test including a 5-minute free speech and a mental arithmetic task was conducted with four, and field measurements with three daily saliva samples of cortisol and sAA during circadian rhythm and inter-shift recovery controlled morning shift, night shift, and a day off...
July 10, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/28682138/denatonium-and-naringenin-promote-sca-9-tumor-growth-and-angiogenesis-participation-of-arginase
#6
Ganna Dmytrenko, María E Castro, María E Sales
Submandibular gland (SMG) is one of the major salivary glands, and is formed by acinar cells that are conveyed to the oral cavity by a duct system. We had previously reported that T2R receptors that were originally identified in gustatory tissues were also present in murine SMG. The addition of bitter compounds to the gland reduced nitric oxide production and downregulated amylase secretion. In this work, we investigated the effect of two different bitter compounds namely denatonium and naringenin on tumor progression as well as the presence of T2R in SCA-9 cells derived from a murine tumor induced in SMG...
July 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28678755/radiation-therapy-and-serum-salivary-amylase-in-head-and-neck-cancer
#7
REVIEW
Francesca De Felice, Mario Tombolini, Angela Musella, Francesco Marampon, Vincenzo Tombolini, Daniela Musio
Radiation therapy (RT) is a valid treatment option for head and neck cancer (HNC). The risk of RT-induced toxicities is significant, especially due to extended treatment fields. The raise in amylase activity is strictly dependent on the volume of salivary glands included in the irradiated target volume and it is firmly related to the dose. The aim of this review is to report the effects on salivary amylase activity after radiation exposure of salivary glands, in patients with HNC.
June 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28677946/effects-of-probiotics-supplementation-and-circuit-training-on-immune-responses-among-sedentary-young-males
#8
Nur S Ibrahim, Foong K Ooi, Chee K Chen, Ayu S Muhamad
BACKGROUND: Growing evidence suggests that probiotics may have positive benefits on immune responses following endurance exercise. However, little attention has been given to its possible beneficial effects on immune responses following resistance exercise. METHODS: Forty-one healthy sedentary males were recruited and randomised into four groups: sedentary control with placebo (C), probiotics (P), circuit training with placebo (Ex), and circuit training with probiotics (PEx) groups...
July 5, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28674598/cortisol-and-alpha-amylase-changes-during-an-ultra-running-event
#9
Whitney P Deneen, Alexis B Jones
Elevated stress hormone concentrations can positively affect an athlete's overall performance during a competition, and in many cases, are necessary to be able to perform exercise. During extreme exercise, the body's ability to utilize energy efficiently can affect an athlete's performance. Elevated hormonal concentrations can have many benefits in regards to an athlete's overall performance during a competition. The purpose of this study was to examine the effects of long distance running, such as seen during an ultra-running event (distances beyond 26...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/28670336/the-relationship-between-salivary-amylase-and-the-physical-and-psychological-changes-elicited-by-continuation-of-autogenic-training-in-patients-with-functional-somatic-syndrome
#10
Tadashi Kiba, Tetsuya Abe, Kenji Kanbara, Fumie Kato, Sadanobu Kawashima, Yukie Saka, Kazumi Yamamoto, Yasuyuki Mizuno, Junji Nishiyama, Mikihiko Fukunaga
BACKGROUND: The aim of this study was to clarify the changes in biological measures during autogenic training (AT) sessions and the relationship between these biological measures and the changes in physical and psychological measures induced by continuation of AT in patients with functional somatic syndrome (FSS). We used the salivary amylase (SAMY) level, skin temperature of the finger (TEMP), subjective symptom scores, and psychological characteristics to assess these changes. METHODS: We assessed 24 patients with FSS and 23 healthy controls before and after AT...
2017: BioPsychoSocial Medicine
https://www.readbyqxmd.com/read/28668892/measurement-of-the-phagocytic-activity-of-human-peripheral-blood-using-a-highly-sensitive-fluorometric-detection-device-without-hemolysis
#11
Ran Zhang, Hiroyuki Inagawa, Masaru Takahashi, Hisami Kawanishi, Kimiko Kazumura, Hiroshi Tsuchiya, Naokazu Morishita, Yutaro Kobayashi, Tsutomu Masaki, Hideki Kobara, Gen-Ichiro Soma
BACKGROUND/AIM: Phagocytes recognize pathogens that enter the body as well as other abnormal and foreign materials that may exist within an organism (such as dead cells, oxidized lipids, and denatured proteins), and phagocytose and eliminate them to maintain a healthy state. In a previous study a simple prototype device was used, under development by Hamamatsu Photonics (Prototype), that detects fluorescence to determine the phagocytic activity of the murine macrophage cell line J774...
July 2017: Anticancer Research
https://www.readbyqxmd.com/read/28667938/altered-stress-system-reactivity-after-pediatric-injury-relation-with-post-traumatic-stress-symptoms
#12
Linda Ewing-Cobbs, Mary R Prasad, Charles S Cox, Douglas A Granger, Gerardo Duque, Paul R Swank
Injury is the leading cause of death and disability in childhood. Injured children are at high risk for developing alterations in stress response systems and post-traumatic stress symptoms (PTSS) that may compromise long-term physical and psychological health. In a prospective, observational cohort study, we examined individual differences in, and correlates of, stress-reactivity of the hypothalamic-pituitary-adrenal axis (HPA; salivary cortisol) and autonomic nervous system (ANS; salivary alpha amylase, sAA) following pediatric injury...
June 10, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28659346/starch-digestion-related-amylase-genetic-variant-affects-2-year-changes-in-adiposity-in-response-to-weight-loss-diets-the-pounds-lost-trial
#13
Yoriko Heianza, Dianjianyi Sun, Tiange Wang, Tao Huang, George A Bray, Frank M Sacks, Lu Qi
Salivary and pancreatic amylases (encoded by AMY1 and AMY2 genes, respectively) are responsible for digesting starchy foods. AMY1 and AMY2 show copy number variations which affect differences in amylase amount and activity, and it is suggested that AMY1 copies are associated with adiposity. We investigated whether genetic variants determining amylase gene copies were associated with 2-year changes of adiposity among 692 overweight and obese individuals who were randomly assigned to diets varying in macronutrient contents...
June 28, 2017: Diabetes
https://www.readbyqxmd.com/read/28658657/acute-stress-in-residents-playing-different-roles-during-emergency-simulations-a-preliminary-study
#14
Roger Daglius Dias, Augusto Scalabrini-Neto
Objectives: To investigate acute stress response in residents playing nurse and physician roles during emergency simulations. Methods: Sixteen second-year internal medicine residents participated in teams of four (two playing physician roles and two playing nurse roles). Stress markers were assessed in 24 simulations at baseline (T1) and immediately after the scenario (T2), using heart rate, systolic and diastolic blood pressure, salivary α-amylase, salivary cortisol and salivary interleukin-1β...
June 19, 2017: International Journal of Medical Education
https://www.readbyqxmd.com/read/28654668/influence-of-the-way-of-reporting-alpha-amylase-values-in-saliva-in-different-naturalistic-situations-a-pilot-study
#15
María Dolores Contreras-Aguilar, Damián Escribano, Silvia Martínez-Subiela, Silvia Martínez-Miró, Mónica Rubio, Asta Tvarijonaviciute, Fernando Tecles, Jose J Cerón
The objective of this pilot study was to compare the different ways of measuring salivary alpha-amylase (sAA, enzymatic vs. concentration) and to evaluate the influence that the different ways of reporting the results can have in sAA interpretation. For this purpose, sAA was measured by direct quantification and also by an enzymatic assay in three different naturalistic situations, a physical stressor (situation 1) and two mental stressors of different intensity (situations 2 and 3). The results were expressed in three different ways (without correction, multiplied by flow rate and divided by protein concentration)...
2017: PloS One
https://www.readbyqxmd.com/read/28653154/dna-persistence-of-bite-marks-on-food-and-its-relevance-for-str-typing
#16
Céline M Pfeifer, Anja Gass, Rachel Klein-Unseld, Peter Wiegand
In forensic DNA analysis, salivary traces at crime scenes are a promising way to identify a person. However, crime scenes are oftentimes investigated a while after the crime and recovered samples might have been degraded leading to poor PCR amplification. Probably due to decomposition and negative visual impression of spoiled food, bite mark samples make up only a small part of our casework routine. In this study, bite marks on apples and chocolate bars as well as on an inert surface (microscope slide) were stored up to 3 weeks indoors and outdoors during different seasons and analyzed for amylase activity and DNA quantity and quality...
June 26, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28648752/physiological-and-self-assessed-psychological-stress-induced-by-a-high-fidelity-simulation-course-among-third-year-anaesthesia-and-critical-care-residents-an-observational-study
#17
Pr Thomas Geeraerts
INTRODUCTION: The use of high-fidelity simulators in Medicine can improve knowledge, behavior and practice but may be associated with significant stress. Our objective was to measure physiological and psychological self-assessed intensity of stress before and after a planned simulation training session among third year anesthesia and critical care residents. METHODS: A convenience sample of 27 residents participating in a simulation training course was studied. Stress was evaluated by self-assessment using a numerical scale and by salivary amylase concentration before and after the session...
June 22, 2017: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/28648523/functional-characterization-and-crystal-structure-of-thermostable-amylase-from-thermotoga-petrophila-reveals-high-thermostability-and-an-unusual-form-of-dimerization
#18
Uzma Hameed, Ian Price, Ikram-Ul-Haq, Ailong Ke, David B Wilson, Osman Mirza
Thermostable α-amylases have many industrial applications and are therefore continuously explored from novel sources. We present the characterization of a novel putative α-amylase gene product (Tp-AmyS) cloned from Thermotoga petrophila. The purified recombinant enzyme is highly thermostable and able to hydrolyze starch into dextrin between 90 and 100°C, with optimum activity at 98°C and pH8.5. The activity increased in the presence of Rb(1+), K(1+) and Ca(2+) ions, whereas other ions inhibited activity...
June 22, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28637032/investigation-of-an-immediate-effect-of-bright-light-on-oxygen-consumption-heart-rate-cortisol-and-%C3%AE-amylase-in-seasonal-affective-disorder-subjects-and-healthy-controls
#19
Iana A Ivanova, Konstantin V Danilenko, Lyubomir I Aftanas
BACKGROUND: Body (fat) mass has been shown to decrease following bright light treatment for overweight women, irrespective of their seasonal (light) dependence. It is not known if this is due to an (immediate) increase of metabolism. METHODS: Ten women with seasonal affective disorder (SAD) and 10 non-SAD women matched by age, body mass index, and menopausal status participated in a laboratory study in the morning, twice within 1-5 days. During one session, bright light (4,300 lx) was presented for 30 min, and during the other session, red light (250 lx "placebo") was used...
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28627308/hormonal-and-neuromuscular-responses-to-breastfeeding-a-pilot-study
#20
Madalynn Neu, Zhaoxing Pan, Ashley Haight, Karen Fehringer, Katrina Maluf
OBJECTIVES: Difficult breastfeeding in the first weeks after birth may result in muscle tension in infants and activation of the maternal hypothalamic-pituitary-adrenal (HPA) axis and sympathetic nervous system (SNS). Our primary objective was to examine the feasibility of collecting neuroendocrine markers of maternal HPA axis and SNS activation (salivary cortisol and α-amylase [sAA]) and electromyographic (EMG) markers of infant distress during feeding in the first 2 weeks after birth...
July 2017: Biological Research for Nursing
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