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https://www.readbyqxmd.com/read/28346691/reproductive-status-affects-the-feeding-ecology-and-social-association-patterns-of-female-squirrel-monkeys-saimiri-collinsi-in-an-amazonian-rainforest
#1
Luana V P Ruivo, Anita I Stone, Matthew Fienup
When making foraging decisions, female primates may follow specific behavioral strategies that reflect their reproductive state. Lactation is considered the most energetically costly phase for females, but we argue that gestation is also energetically expensive for squirrel monkeys. In this study, we examined whether female squirrel monkeys (a seasonally breeding primate) in different reproductive phases showed significant differences in their foraging ecology. We sampled two wild groups of squirrel monkeys (Saimiri collinsi) using the focal animal method, during 12 months (June 2014 to May 2015)...
March 27, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/28346605/does-including-public-health-students-on-interprofessional-teams-increase-attainment-of-interprofessional-practice-competencies
#2
Pamela Ann Duffy, Julie A Ronnebaum, Teri A Stumbo, Kari Nies Smith, Rachel A Reimer
CONTEXT: Interprofessional education (IPE) creates dynamic experiential learning that can address social determinants of health that influence health outcomes. OBJECTIVE: To examine the effects of including public health students on IPE teams on the interprofessional practice domain constructs (values/ethics, roles/responsibilities, interprofessional communication, and teams and teamwork). METHODS: This single-case, mixed-methods study was performed using a grounded theory approach...
April 1, 2017: Journal of the American Osteopathic Association
https://www.readbyqxmd.com/read/28346472/can-group-based-reassuring-information-alter-low-back-pain-behavior-a-cluster-randomized-controlled-trial
#3
Pernille Frederiksen, Aage Indahl, Lars L Andersen, Kim Burton, Rasmus Hertzum-Larsen, Tom Bendix
BACKGROUND: Low back pain (LBP) is common in the population and multifactorial in nature, often involving negative consequences. Reassuring information to improve coping is recommended for reducing the negative consequences of LBP. Adding a simple non-threatening explanation for the pain (temporary muscular dysfunction) has been successful at altering beliefs and behavior when delivered with other intervention elements. This study investigates the isolated effect of this specific information on future occupational behavior outcomes when delivered to the workforce...
2017: PloS One
https://www.readbyqxmd.com/read/28346403/near-infrared-optogenetic-pair-for-protein-regulation-and-spectral-multiplexing
#4
Taras A Redchuk, Evgeniya S Omelina, Konstantin G Chernov, Vladislav V Verkhusha
Multifunctional optogenetic systems are in high demand for use in basic and biomedical research. Near-infrared-light-inducible binding of bacterial phytochrome BphP1 to its natural PpsR2 partner is beneficial for simultaneous use with blue-light-activatable tools. However, applications of the BphP1-PpsR2 pair are limited by the large size, multidomain structure and oligomeric behavior of PpsR2. Here, we engineered a single-domain BphP1 binding partner, Q-PAS1, which is three-fold smaller and lacks oligomerization...
March 27, 2017: Nature Chemical Biology
https://www.readbyqxmd.com/read/28346162/household-chaos-and-sleep-disturbing-behavior-of-family-members-results-of-a-pilot-study-of-african-american-early-adolescents
#5
James C Spilsbury, Sanjay R Patel, Nathan Morris, Aida Ehayaei, Stephen S Intille
BACKGROUND: Although disorganized, chaotic households have been linked to poorer sleep outcomes, how household chaos actually manifests itself in the behaviors of others around the bedtime of a child or adolescent is not well understood. OBJECTIVE: To determine whether household chaos was associated with specific, nightly sleep-disturbing activities of adolescents' family members. DESIGN: Longitudinal study. PARTICIPANTS: Twenty-six African American or multiethnic early adolescent (ages 11-12 years) and parent dyads, recruited from local schools and social-service agencies in greater Cleveland, OH...
April 2017: Sleep Health
https://www.readbyqxmd.com/read/28346152/associations-between-physical-activity-and-sedentary-behavior-with-sleep-quality-and-quantity-in-young-adults
#6
Lisa Kakinami, Erin K O'Loughlin, Jennifer Brunet, Erika N Dugas, Evelyn Constantin, Catherine M Sabiston, Jennifer O'Loughlin
OBJECTIVES: Intensity and duration of physical activity (PA) and sedentary behavior are individually associated with sleep, but their independent associations are poorly characterized. The objectives of this study were to determine if PA and/or sedentary behavior are/is associated with sleep quality and/or quantity in a young adult sample. DESIGN: Cross-sectional. SETTING: Montreal, Canada. PARTICIPANTS: Participants (n=658) from the Nicotine Dependence in Teens Study...
February 2017: Sleep Health
https://www.readbyqxmd.com/read/28346151/bidirectional-associations-of-accelerometer-determined-sedentary-behavior-and-physical-activity-with-reported-time-in-bed-women-s-health-study
#7
Kelley Pettee Gabriel, Barbara Sternfeld, Eric J Shiroma, Adriana Pérez, Joseph Cheung, I-Min Lee
OBJECTIVE: To examine the day-to-day, bidirectional associations of accelerometer-derived sedentary behavior and physical activity (PA) with reported time in bed in a large cohort of older women. METHODS: Data are from 10086 Women's Health Study participants (aged 71.6 years; SD, 5.7) who agreed to wear an accelerometer and complete a diary for 7 consecutive days. Generalized linear (multilevel) models with repeated measures were used to examine the adjusted associations of the following: (1) reported time in bed with next-day accelerometer-determined counts and time spent sedentary and in light- and moderate-to-vigorous-intensity PA (MVPA) and (2) accelerometer estimates with reported time in bed that night, expressed as short (<7 hours), optimal (7-9 hours), and long (>9 hours) sleep...
February 2017: Sleep Health
https://www.readbyqxmd.com/read/28346150/factors-contributing-to-poor-satisfaction-with-sleep-and-healthcare-seeking-behavior-in-older-adults
#8
Olufunmilola Abraham, Jia Pu, Loren J Schleiden, Steven M Albert
OBJECTIVE: To identify factors influencing older adults' poor satisfaction with sleep and their current healthcare seeking behaviors. DESIGN: Cross-sectional study. SETTING: Pittsburgh Claude D. Pepper Older Americans Independence Center Community Registry. PARTICIPANTS: Individuals aged 60 or older enrolled in the registry that completed a cross-sectional mailed survey (N = 1026). MEASUREMENTS: Participant demographics (age, gender, marital status, race, education), overall health (self-rated health, pain, and comorbidities), and health behaviors (physical activity, smoking, drinking behaviors) were collected from the registry database...
February 2017: Sleep Health
https://www.readbyqxmd.com/read/28346142/the-neuropeptide-f-nitric-oxide-pathway-is-essential-for-shaping-locomotor-plasticity-underlying-locust-phase-transition
#9
Li Hou, Pengcheng Yang, Feng Jiang, Qing Liu, Xianhui Wang, Le Kang
Behavioral plasticity is widespread in swarming animals, however little is known about its underlying neural and molecular mechanisms. Here, we report that a neuropeptide F (NPF)/nitric oxide (NO) pathway plays a critical role in the locomotor plasticity of swarming migratory locusts. Two related neuropeptides, NPF1a and NPF2, show reduced levels of their encoding transcripts during crowding, and the transcript levels of their receptors significantly increase during locust isolation. Both of these NPFs have suppressive effects on phase-related locomotor activity...
March 27, 2017: ELife
https://www.readbyqxmd.com/read/28345941/the-roles-of-negative-affect-and-goal-adjustment-capacities-in-breast-cancer-survivors-associations-with-physical-activity-and-diurnal-cortisol-secretion
#10
Andree L Castonguay, Carsten Wrosch, Catherine M Sabiston
OBJECTIVE: This study examined whether within-person changes of breast cancer survivors' high-arousal negative affect (e.g., feeling scared, upset, anxious, or guilty) could predict high levels of diurnal cortisol secretion and moderate-to-vigorous physical activity (MVPA). In addition, goal adjustment capacities (goal disengagement and goal reengagement) were expected to buffer the effect of negative affect on cortisol and to increase its effect on MVPA. METHOD: High-arousal negative affect, self-reported MVPA, area-under-the-curve of diurnal cortisol secretion, and goal adjustment capacities were assessed in a longitudinal sample of 145 female breast cancer survivors...
April 2017: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
https://www.readbyqxmd.com/read/28345868/immune-system-activation-and-depression-roles-of-serotonin-in-the-central-nervous-system-and-periphery
#11
Matthew James Robson, Meagan A Quinlan, Randy D Blakely
Serotonin (5-hydroxytryptamine, 5-HT) has long been recognized as a key contributor to the regulation of mood and anxiety and is strongly associated with the etiology of major depressive disorder (MDD). Although more known for its roles within the central nervous system (CNS), 5-HT is recognized to modulate several key aspects of immune system function that may contribute to the development of MDD. Copious amounts of research have outlined a connection between alterations in immune system function, inflammation status and MDD...
March 27, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28345788/horticultural-activity-predicts-later-localized-limb-status-in-a-contemporary-pre-industrial-population
#12
Jonathan Stieglitz, Benjamin C Trumble, Hillard Kaplan, Michael Gurven
OBJECTIVES: Modern humans may have gracile skeletons due to low physical activity levels and mechanical loading. Tests using pre-historic skeletons are limited by the inability to assess behavior directly, while modern industrialized societies possess few socio-ecological features typical of human evolutionary history. Among Tsimane forager-horticulturalists, we test whether greater activity levels and, thus, increased loading earlier in life are associated with greater later-life bone status and diminished age-related bone loss...
March 27, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28345674/skeletal-muscle-pump-drives-control-of-cardiovascular-and-postural-systems
#13
Ajay K Verma, Amanmeet Garg, Da Xu, Michelle Bruner, Reza Fazel-Rezai, Andrew P Blaber, Kouhyar Tavakolian
The causal interaction between cardio-postural-musculoskeletal systems is critical in maintaining postural stability under orthostatic challenge. The absence or reduction of such interactions could lead to fainting and falls often experienced by elderly individuals. The causal relationship between systolic blood pressure (SBP), calf electromyography (EMG), and resultant center of pressure (COPr) can quantify the behavior of cardio-postural control loop. Convergent cross mapping (CCM) is a non-linear approach to establish causality, thus, expected to decipher nonlinear causal cardio-postural-musculoskeletal interactions...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28345608/maoa-rs1137070-and-heroin-addiction-interactively-alter-gray-matter-volume-of-the-salience-network
#14
Yan Sun, Linwen Liu, Jiajia Feng, Weihua Yue, Lin Lu, Yong Fan, Jie Shi
The rs1137070 polymorphism of monoamine oxidase A (MAOA) is associated with alcoholism and smoking behavior. However, the association between rs1137070 and heroin addiction remains unclear. In this study, we examined the allelic distribution of rs1137070 in 1,035 heroin abusers and 2,553 healthy controls and investigated the interactive effects of rs1137070 and heroin addiction on gray matter volume (GMV) based on 78 heroin abusers and 79 healthy controls. The C allele frequency of rs1137070 was significantly higher in heroin abusers...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28345453/tumor-suppressor-mir-29c-regulates-radioresistance-in-lung-cancer-cells
#15
Elena Arechaga-Ocampo, Cesar Lopez-Camarillo, Nicolas Villegas-Sepulveda, Claudia H Gonzalez-De la Rosa, Isidro X Perez-Añorve, Reynalda Roldan-Perez, Ali Flores-Perez, Omar Peña-Curiel, Oscar Angeles-Zaragoza, Rosalva Rangel Corona, Juan A Gonzalez-Barrios, Raul Bonilla-Moreno, Oscar Del Moral-Hernandez, Luis A Herrera, Alejandro Garcia-Carranca
Radiotherapy is an important treatment option for non-small cell lung carcinoma patients. Despite the appropriate use of radiotherapy, radioresistance is a biological behavior of cancer cells that limits the efficacy of this treatment. Deregulation of microRNAs contributes to the molecular mechanism underlying resistance to radiotherapy in cancer cells. Although the functional roles of microRNAs have been well described in lung cancer, their functional roles in radioresistance are largely unclear. In this study, we established a non-small cell lung carcinoma Calu-1 radioresistant cell line by continuous exposure to therapeutic doses of ionizing radiation as a model to investigate radioresistance-associated microRNAs...
March 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28345385/activation-of-5-ht1a-receptors-in-the-rat-dorsomedial-hypothalamus-inhibits-stress-induced-activation-of-the-hypothalamic-pituitary-adrenal-axis
#16
Christopher E Stamper, James E Hassell, Adam J Kapitz, Kenneth J Renner, Miles Orchinik, Christopher A Lowry
Acute activation of the hypothalamic-pituitary-adrenal (HPA) axis, leading to the release of corticosteroid hormones into the circulation, is an adaptive response to perceived threats. Persistent activation of the HPA axis can lead to impaired physiological or behavioral function with maladaptive consequences. Thus, efficient control and termination of stress responses is essential for well-being. However, inhibitory control mechanisms governing the HPA axis are poorly understood. Previous studies suggest that serotonergic systems, acting within the medial hypothalamus, play an important role in inhibitory control of stress-induced HPA axis activity...
March 27, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/28345362/mindfulness-based-movement
#17
Alexander R Lucas, Heidi D Klepin, Stephen W Porges, W Jack Rejeski
Compelling evidence suggests that physical activity is an effective intervention for cancer survivors, including for those undergoing active cancer treatments. However, to date most evidence has emerged from interventions that have promoted moderate to vigorous physical activity. In this conceptual review, we argue that attention should be given to the entire continuum of physical activity from reducing sedentary behavior to increasing higher levels of physical activity when possible. In addition, considerable evidence in the cancer literature supports the value of mindfulness-based interventions as a means of helping patients and survivors cope with the variety of threats that accompany this disease...
December 1, 2016: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/28345282/neuroplasticity-of-language-in-left-hemisphere-stroke-evidence-linking-subsecond-electrophysiology-and-structural-connections
#18
Vitória Piai, Lars Meyer, Nina F Dronkers, Robert T Knight
The understanding of neuroplasticity following stroke is predominantly based on neuroimaging measures that cannot address the subsecond neurodynamics of impaired language processing. We combined behavioral and electrophysiological measures and structural-connectivity estimates to characterize neuroplasticity underlying successful compensation of language abilities after left-hemispheric stroke. We recorded the electroencephalogram from patients with stroke lesions to the left temporal lobe and from matched controls during context-driven word retrieval...
March 27, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28345118/effect-of-paullinia-cupana-mart-commercial-extract-during-the-aging-of-middle-age-wistar-rats-differential-effects-on-the-hippocampus-and-striatum
#19
Moara Rodrigues Mingori, Luana Heimfarth, Charles Francisco Ferreira, Henrique Mautone Gomes, Karla Suzana Moresco, Jeferson Delgado, Sabrina Roncato, Fares Zeidán-Chuliá, Daniel Pens Gelain, José Cláudio Fonseca Moreira
During aging, there is a marked decline in the antioxidant capacity of brain tissue, leading to a gradual loss of the antioxidant/oxidant balance, which causes oxidative damage. The effects of Paullinia cupana Mart. extract, which is described as being rich in caffeine and many polyphenol compounds, on the central nervous system have not been extensively investigated. The aim of this study was to therefore investigate the effect of a commercial guarana extract (CGE) on cognitive function, oxidative stress, and brain homeostasis proteins related to cognitive injury and senescence in middle age, male Wistar rats...
March 27, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28345079/-not-just-a-receiver-understanding-patient-behavior-in-the-hospital-environment
#20
Sonali R Mishra, Shefali Haldar, Ari H Pollack, Logan Kendall, Andrew D Miller, Maher Khelifi, Wanda Pratt
Patient engagement leads to better health outcomes and experiences of health care. However, existing patient engagement systems in the hospital environment focus on the passive receipt of information by patients rather than the active contribution of the patient or caregiver as a partner in their care. Through interviews with hospitalized patients and their caregivers, we identify ways that patients and caregivers actively participate in their care. We describe the different roles patients and caregivers assume in interacting with their hospital care team...
May 7, 2016: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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