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Review: How negative parent-child relationships affect the biological stress system
Family relations, stress, and vulnerability: Biobehavioral implications for prevention and practice Author: Ha, et al (2016), Family Relations Developmental psychobiology research supports the hypothesis that individual differences in biological stress systems that are sensitive to environmental experiences are associated with individual adjustment problems. Negative social experiences, especially in family contexts, contribute to the dysregulation of […]
Early adversity contributes to lower latent trait salivary cortisol (LTC) levels in adolescence
Individual differences in early adolescents’ latent trait cortisol (LTC): Relation to early adversity Author: Stroud CB, et al (2016), Developmental Psychobiology Substantial evidence suggests that youth who experience early adversity exhibit alterations in hypothalamic pituitary adrenal (HPA) axis functioning, thereby increasing risk for negative health outcomes. However, few studies have explored whether early adversity alters […]
Interaction of HPA axis and ANS arousal in youth may predict behavior problems
Hypothalamic pituitary adrenal activity and autonomic nervous system arousal predict developmental trajectories of children’s comorbid behavior problems. Author: Chen FR, et al (2015), Developmental Psychobiology The combined effects of hypothalamic-pituitary-adrenal (HPA) axis activity and autonomic nervous system (ANS) arousal were examined on developmental trajectories of children’s comorbid internalizing and externalizing problems. Participants included 394 urban […]
In utero infant’s stress response system impacted by mother’s psychological & physiological state
Developmental origins of infant stress reactivity profiles: A multi-system approach. Author: Rash JA, et al (2016), Developmental Psychobiology This study tested the hypothesis that maternal physiological and psychological variables during pregnancy discriminate between theoretically informed infant stress reactivity profiles. The sample size included 254 women and their infants. Maternal mood, salivary cortisol, respiratory sinus arrhythmia […]
Sympathetic and hypothalamic-pituitary-adrenal asymmetry in generalized anxiety disorder
Developmental origins of infant stress reactivity profiles: A multi-system approach. Author: Reeves JW, et al (2016), Psychophysiology Physiologic investigations of generalized anxiety disorder (GAD) have skewed toward assessment of the autonomic nervous system, largely neglecting hypothalamic-pituitary-adrenal (HPA) axis variables. Although these systems coordinate, suggesting a degree of symmetry, to promote adaptive functioning, most studies opt […]
Salivary testosterone / salivary cortisol ratio may predict a team player’s social popularity
Long-term stability of diurnal salivary cortisol and alpha-amylase secretion patterns Author: Ponzi D, et al (2016), Psychoneuroendocrinology This study tested whether testosterone and cortisol interacted in predicting social network centrality. The sample size consisted of 41 male rugby athletes from Burnaby, Canada. Using social network analysis (SNA), three measures of centrality were investigated: popularity (i.e., […]
Maternal distress alters salivary cortisol, affecting the neuroendocrine-immune network in children
Maternal distress and child neuroendocrine and immune regulation. Author: Riis JL, et al (2015), Social science & medicine. This paper examined the extent to which maternal psychological well-being moderates neuroendocrine-immune relations in children. From 2011 to 2013, 125 mothers and their five-year old children were studied in Baltimore, Maryland. Significant cytokine × maternal distress interactions […]
Differences in Salivary Cortisol and Testosterone may guide social network dynamics
Cortisol and testosterone associations with social network dynamics Author: Kornienko, et al (2015), Psychoneuroendocrinology. This study integrates behavioral endocrinology and network science to explore links between hormones and social network dynamics. Specifically, we examine how cortisol (C) and testosterone (T) are associated with creation of new friendships and maintenance of existing friendships. A collegiate marching […]
General conclusions from extant research on the association between cortisol regulation and PMS/PMDD
A lack of consistent evidence for cortisol dysregulation in premenstrual syndrome/premenstrual dysphoric disorder (PMS/PMDD) Author: Kiesner J, et al (2015), Psychoneuroendocrinology A review on the association between PMS/PMDD and cortisol levels and its reactivity examined three types of studies: correlational studies, environmental-change studies, and pharmacological-challenge studies. A total of 38 articles were selected based on […]
Daacro, A New Salivary Testing Lab for Europe
Meet Daacro, A New Salivary Testing Lab for Europe The Saliva Lab Trier is conveniently located in Trier Germany, making it easy to submit saliva samples for testing from virtually all parts of Europe. Daacro is working in close collaboration with the Salimetrics team to connect stress diagnostics and clinical trials in Europe with salivary […]
Longitudinal Salivary Cortisol Study Evaluates Theory of Developmental Origins of Health & Disease
Assessment of the cortisol awakening response: Expert consensus guidelines. Author: Winchester SB, et al (2015). Res Nurs Health. In a prospective, case-controlled longitudinal design, 180 preterm and full-term infants who had been enrolled at birth participated in a comprehensive assessment battery at age 23. Of these, 149 young adults, 34 formerly full-term and 115 formerly […]
New Uric Acid Assay Kit from Salimetrics Advances Metabolic & Obesity Research Through Non-Invasive Saliva Testing that Correlates with Blood Uric Acid Levels
(November 03, 2015) Salimetrics’ innovative Salivary Uric Acid Enzymatic Assay facilitates non-invasive monitoring of Uric Acid levels for participant-centric research studies. Saliva as a biospecimen requires no needles, no phlebotomist, and is rapid, easy and economical. Metabolic syndrome is becoming an ever more prevalent, chronic disease associated with many serious health issues (e.g., abdominal obesity, [...]
Healthy Aging: Salimetrics Uric Acid Assay Kit Facilitates High-Efficiency Oxidative Stress Research with Non-Invasive Saliva Sampling
(February 23, 2016) Salimetrics’ innovative Salivary Uric Acid Enzymatic Assay enables researchers to quickly assess an oxidative stress biomarker using participant-centric sample collection that is easy, painless, and less expensive than traditional methods (no need for needles, trained phlebotomists, expensive collection supplies or biohazard disposal). Uric acid concentration, used as a surrogate biomarker of high [...]Salimetrics Uric Acid Assay Kit Enables Non-Invasive Saliva Sampling for Cardiovascular Disease Risk Research
(July 09, 2015) Salimetrics introduces an innovative Salivary Uric Acid Enzymatic Assay, facilitating easy monitoring of Uric Acid levels with saliva samples (no needles, no phlebotomist, fast, easy and less expensive). This uric acid assay is the ideal tool to further elucidate correlations of oxidative stress and disease states. Uric Acid, the body's most abundant [...]