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https://www.readbyqxmd.com/read/29351426/the-effects-of-heat-and-cold-on-health-with-special-reference-to-finnish-sauna-bathing
#1
Ilkka Heinonen, Jari A Laukkanen
Environmental stress such as extremely warm or cold temperature is often considered a challenge to human health and body homeostasis. However, human body can adapt relatively well to heat and cold environments and recent studies have also elucidated that particularly heat stress might be even highly beneficial for human health. Consequently, the aim of the present brief review is first to discuss general cardiovascular and other responses to acute heat stress, followed by a review of beneficial effects of Finnish sauna bathing on general and cardiovascular health and mortality as well as dementia and Alzheimer's disease risk...
December 20, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29351403/project-on-the-good-physician-further-evidence-for-the-validity-of-a-moral-intuitionist-model-of-virtuous-caring
#2
G Michael Leffel, Ross A Oakes Mueller, Sandra A Ham, Kyle E Karches, Farr A Curlin, John D Yoon
THEORY: In the Project on the Good Physician, the authors propose a moral intuitionist model of virtuous caring that places the virtues of Mindfulness, Empathic Compassion, and Generosity at the heart of medical character education. HYPOTHESES: Hypothesis 1a: The virtues of Mindfulness, Empathic Compassion, and Generosity will be positively associated with one another (convergent validity). Hypothesis 1b: The virtues of Mindfulness and Empathic Compassion will explain variance in the action-related virtue of Generosity beyond that predicted by Big Five personality traits alone (discriminant validity)...
January 19, 2018: Teaching and Learning in Medicine
https://www.readbyqxmd.com/read/29351281/automatic-labeling-of-molecular-biomarkers-of-immunohistochemistry-images-using-fully-convolutional-networks
#3
Fahime Sheikhzadeh, Rabab K Ward, Dirk van Niekerk, Martial Guillaud
This paper addresses the problem of quantifying biomarkers in multi-stained tissues based on the color and spatial information of microscopy images of the tissue. A deep learning-based method that can automatically localize and quantify the regions expressing biomarker(s) in any selected area on a whole slide image is proposed. The deep learning network, which we refer to as Whole Image (WI)-Net, is a fully convolutional network whose input is the true RGB color image of a tissue and output is a map showing the locations of each biomarker...
2018: PloS One
https://www.readbyqxmd.com/read/29351262/imu-to-segment-assignment-and-orientation-alignment-for-the-lower-body-using-deep-learning
#4
Tobias Zimmermann, Bertram Taetz, Gabriele Bleser
Human body motion analysis based on wearable inertial measurement units (IMUs) receives a lot of attention from both the research community and the and industrial community. This is due to the significant role in, for instance, mobile health systems, sports and human computer interaction. In sensor based activity recognition, one of the major issues for obtaining reliable results is the sensor placement/assignment on the body. For inertial motion capture (joint kinematics estimation) and analysis, the IMU-to-segment (I2S) assignment and alignment are central issues to obtain biomechanical joint angles...
January 19, 2018: Sensors
https://www.readbyqxmd.com/read/29351213/cyclin-b3-deficiency-impairs-germline-stem-cell-maintenance-and-its-overexpression-delays-cystoblast-differentiation-in-drosophila-ovary
#5
Dongsheng Chen, Lijuan Zhou, Fuling Sun, Mingzhong Sun, Xiaoqian Tao
It is well known that cyclinB3 (cycB3) plays a key role in the control of cell cycle progression. However, whether cycB3 is involved in stem cell fate determination remains unknown. The Drosophila ovary provides an exclusive model for studying the intrinsic and extrinsic factors that modulate the fate of germline stem cells (GSCs). Here, using this model, we show that DrosophilacycB3 plays a new role in controlling the fate of germline stem cells (GSC). Results from cycB3 genetic analyses demonstrate that cycB3 is intrinsically required for GSC maintenance...
January 19, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29351195/seeing-context-through-metaphor-using-communications-research-to-bring-a-social-determinants-perspective-to-public-thinking-about-child-abuse-and-neglect
#6
Nathaniel Kendall-Taylor, Kate Stanley
Human beings think in metaphor and reason through analogy. The metaphors through which we think influence how we understand and feel about social issues as well as the actions that we see as appropriate and important. Metaphors can be used to increase understanding of how issues work and increase the salience of a given issue, build support for programs and policies necessary to address the issue, and instigate demand for change and civic action. In this paper, we use a mixed methods research design, including brief qualitative interviews, experimental surveys, and focus groups, to test the ability of different metaphors to influence public understanding of the social determinants of child abuse and neglect in the UK...
January 19, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29351132/mixed-methods-approach-to-humanistic-interprofessional-faculty-development
#7
Alice Fornari, Leanne M Tortez, Monika Lay, Bruce Hirsch, Donna Tanzi, Isabel Friedman, Alison P Ricardo, Renee Pekmezaris, William Branch
INTRODUCTION: This study evaluated the effectiveness of the Mentoring and Professionalism in Training (MAP-IT) program, a longitudinal, interprofessional faculty development curriculum designed to enhance clinicians' humanistic mentoring skills, specifically nurses and physicians. METHODS: During 2014 to 2016, two consecutive cohorts of nurses and physicians completed the MAP-IT program. Participants included 169 high potential mentors (HPMs) and 61 facilitator leaders...
January 16, 2018: Journal of Continuing Education in the Health Professions
https://www.readbyqxmd.com/read/29350419/an-integrated-framework-for-the-role-of-oxytocin-in-multistage-social-decision-making
#8
REVIEW
Matthew Piva, Steve W C Chang
Interest in the effects of oxytocin on social behavior has persisted even as an overarching theory describing these effects has remained largely elusive. Some of the earliest studies on the effects of oxytocin on social decision-making indicated that oxytocin might enhance prosocial actions directed toward others. This led to development of the prosocial hypothesis, which stipulates that oxytocin specifically enhances prosocial choices. However, further work indicated that oxytocin administration could elicit antisocial behaviors as well in certain social situations, highlighting the importance of context-dependent effects...
January 19, 2018: American Journal of Primatology
https://www.readbyqxmd.com/read/29350308/the-ppar%C3%AE-agonist-efatutazone-delays-invasive-progression-and-induces-differentiation-of-ductal-carcinoma-in-situ
#9
Virginie Ory, William B Kietzman, Jacob Boeckelman, Bhaskar V Kallakury, Anton Wellstein, Priscilla A Furth, Anna T Riegel
PURPOSE: Ductal carcinoma in situ (DCIS) is a pre-invasive lesion of the breast considered a precursor of invasive ductal carcinoma. This study aimed to determine whether activated PPARγ acts as a tumor suppressor in human DCIS progression. METHODS: We utilized the high-affinity PPARγ agonist, efatutazone, to activate endogenous PPARγ in a well-defined model for the progression of basal (triple negative) DCIS, MCFDCIS cells, cultured under 2D and 3D conditions...
January 19, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29350263/histological-findings-after-argon-plasma-coagulation-an-ex-vivo-study-revealing-a-possible-role-in-superficial-ablative-treatment-of-the-skin
#10
L Schmitz, S Hessam, L Scholl, S Reitenbach, M H Segert, T Gambichler, E Stockfleth, F G Bechara
Argon plasma coagulation (APC) is an electrosurgical technique which can be used to ablate skin lesions with limited invasion depth into dermal tissue. Hence, APC might be well suited for the removal of epithelial tumours. However, there are no data on the effects of APC on human skin tissue. Thus, the aim of this study was to determine the extent of epidermal and dermal damage after APC of human skin. We performed APC ex-vivo on 91 freshly resected human skin samples, which were obtained after reconstructive surgical closures in actinically damaged areas...
January 19, 2018: Archives of Dermatological Research
https://www.readbyqxmd.com/read/29350082/quantitative-dti-metrics-in-a-canine-model-of-krabbe-disease-comparisons-versus-age-matched-controls-across-multiple-ages
#11
Jonathan Y Li, Dana M Middleton, Steven Chen, Leonard White, Carley R Corado, Charles Vite, Allison Bradbury, James M Provenzale
Purpose The purpose of this study was to compare quantitative diffusion tensor imaging metrics in dogs affected with a model of Krabbe disease to age-matched normal controls. We hypothesized that fractional anisotropy would be decreased and radial diffusivity would be increased in the Krabbe dogs. Methods We used a highly reproducible region-of-interest interrogation technique to measure fractional anisotropy and radial diffusivity in three different white matter regions within the internal capsule and centrum semiovale in four Krabbe affected brains and three age-matched normal control brains...
January 1, 2018: Neuroradiology Journal
https://www.readbyqxmd.com/read/29350067/soluble-neuregulin1-is-strongly-up-regulated-in-the-rat-model-of-charcot-marie-tooth-1a-disease
#12
Benedetta Elena Fornasari, Giulia Ronchi, Davide Pascal, Davide Visigalli, Giovanna Capodivento, Lucilla Nobbio, Isabelle Perroteau, Angelo Schenone, Stefano Geuna, Giovanna Gambarotta
Neuregulin1 (NRG1) is a growth factor playing a pivotal role in peripheral nerve development through the activation of the transmembrane co-receptors ErbB2-ErbB3. Soluble NRG1 isoforms, mainly secreted by Schwann cells, are strongly and transiently up-regulated after acute peripheral nerve injury, thus suggesting that they play a crucial role also in the response to nerve damage. Here we show that in the rat experimental model of the peripheral demyelinating neuropathy Charcot-Marie-Tooth 1A (CMT1A) the expression of the different NRG1 isoforms (soluble, type α and β, type a and b) is strongly up-regulated, as well as the expression of NRG1 co-receptors ErbB2-ErbB3, thus showing that CMT1A nerves have a gene expression pattern highly reminiscent of injured nerves...
January 1, 2018: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29349556/neuropathology-correlates-of-cognitive-assessments
#13
Francesca M Brett, Hugh Kearney
BACKGROUND: Alzheimer's disease and other dementias are the fourth largest contributors to neurological disability and the second largest contributor to deaths from neurological disease. Described in the 1980s as 'the silent epidemic' these disorders principally, though not exclusively, affect persons 80 years or older, and in developed countries, this 'old old' population continues to grow. Definitive diagnosis of the underlying cause of the neurodegenerative disease relies on neuropathological evaluation...
January 18, 2018: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/29349513/3d-qsar-study-of-steroidal-and-azaheterocyclic-human-aromatase-inhibitors-using-quantitative-profile-of-protein-ligand-interactions
#14
Sehan Lee, Mace G Barron
Aromatase is a member of the cytochrome P450 superfamily responsible for a key step in the biosynthesis of estrogens. As estrogens are involved in the control of important reproduction-related processes, including sexual differentiation and maturation, aromatase is a potential target for endocrine disrupting chemicals as well as breast cancer therapy. In this work, 3D-QSAR combined with quantitative profile of protein-ligand interactions was employed in the identification and characterization of critical steric and electronic features of aromatase-inhibitor complexes and the estimation of their quantitative contribution to inhibition potency...
January 18, 2018: Journal of Cheminformatics
https://www.readbyqxmd.com/read/29349512/photobiomodulation-induces-in-vitro-re-epithelialization-via-nitric-oxide-production
#15
Manuela Rizzi, Mario Migliario, Stelvio Tonello, Vincenzo Rocchetti, Filippo Renò
Photobiomodulation is a widely used tool in regenerative medicine thanks to its ability to modulate a plethora of physiological responses. Wound re-epithelialization is strictly regulated by locally produced chemical mediators, such as nitric oxide (NO), a highly reactive free radical generated by the nitric oxide synthase (NOS) enzymatic family. In this study, it has been hypothesized that a 980-nm low-level laser stimulation could increase NO production in human keratinocytes and that such event might be directly related to the re-epithelialization process...
January 18, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29348647/the-contribution-of-predators-and-scavengers-to-human-well-being
#16
REVIEW
Christopher J O'Bryan, Alexander R Braczkowski, Hawthorne L Beyer, Neil H Carter, James E M Watson, Eve McDonald-Madden
Predators and scavengers are frequently persecuted for their negative effects on property, livestock and human life. Research has shown that these species play important regulatory roles in intact ecosystems including regulating herbivore and mesopredator populations that in turn affect floral, soil and hydrological systems. Yet predators and scavengers receive surprisingly little recognition for their benefits to humans in the landscapes they share. We review these benefits, highlighting the most recent studies that have documented their positive effects across a range of environments...
January 18, 2018: Nature Ecology & Evolution
https://www.readbyqxmd.com/read/29348565/an-in-vitro-system-of-autologous-lymphocytes-culture-that-allows-the-study-of-homeostatic-proliferation-mechanisms-in-human-naive-cd4-t-cells
#17
Isaac Rosado-Sánchez, Amaia González-Magaña, María M Pozo-Balado, Inés Herrero-Fernández, María J Polaino, María M Rodríguez-Méndez, María Francisca González-Escribano, Manuel Leal, Yolanda M Pacheco
The size of peripheral T-cell pool is kept constant throughout life. However, a decline in lymphocyte numbers is a feature of several human disorders, in which fast and slow homeostatic proliferation play a crucial role. Several in vitro and in vivo models have been developed to study such processes. Nevertheless, self- and commensal- antigens, well-known triggers of homeostatic proliferation, have not been examined in these models. We have designed an in vitro culture of human T-cells exposed to rIL7 and autologous antigen-presenting cells (aAPC) that allows the simultaneous characterization of the different types of homeostatic proliferation...
January 18, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29348552/tpglda-novel-prediction-of-associations-between-lncrnas-and-diseases-via-lncrna-disease-gene-tripartite-graph
#18
Liang Ding, Minghui Wang, Dongdong Sun, Ao Li
Accumulating evidences have indicated that lncRNAs play an important role in various human complex diseases. However, known disease-related lncRNAs are still comparatively small in number, and experimental identification is time-consuming and labor-intensive. Therefore, developing a useful computational method for inferring potential associations between lncRNAs and diseases has become a hot topic, which can significantly help people to explore complex human diseases at the molecular level and effectively advance the quality of disease diagnostics, therapy, prognosis and prevention...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29348535/umbilical-cord-extracts-improve-osteoporotic-abnormalities-of-bone-marrow-derived-mesenchymal-stem-cells-and-promote-their-therapeutic-effects-on-ovariectomised-rats
#19
Akira Saito, Kanna Nagaishi, Kousuke Iba, Yuka Mizue, Takako Chikenji, Miho Otani, Masako Nakano, Kazusa Oyama, Toshihiko Yamashita, Mineko Fujimiya
Bone marrow-derived mesenchymal stem cells (BM-MSCs) are the most valuable source of autologous cells for transplantation and tissue regeneration to treat osteoporosis. Although BM-MSCs are the primary cells responsible for maintaining bone metabolism and homeostasis, their regenerative ability may be attenuated in postmenopausal osteoporosis patients. Therefore, we first examined potential abnormalities of BM-MSCs in an oestrogen-deficient rat model constructed by ovariectomy (OVX-MSCs). Cell proliferation, mobilisation, and regulation of osteoclasts were downregulated in OVX-MSCs...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29348527/the-human-muscarinic-acetylcholine-receptor-antagonist-dicyclomine-targets-signal-transduction-genes-and-inhibits-the-virulence-factors-in-the-human-pathogen-candida-albicans
#20
Awad Ali, Ashwini Jadhav, Priyanka Jangid, Rajendra Patil, Amruta Shelar, Sankunny Mohan Karuppayil
Dicyclomine is a human muscarinic acetylcholine receptor antagonist used for the treatment of abdominal cramps. We are reporting here that dicyclomine can inhibit the in vitro growth and virulence factors of the human pathogen Candida albicans very effectively. Dicyclomine inhibited adhesion, early biofilm, mature biofilm, and planktonic growth. Yeast to hyphal form transition of C. albicans in various inducer media such as serum, proline, glucose, and N-acetylglucosamine was inhibited. Dicyclomine also could kill C...
January 18, 2018: Journal of Antibiotics
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