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https://www.readbyqxmd.com/read/27913593/higher-heart-rate-variability-is-associated-with-vmpfc-activity-and-increased-resistance-to-temptation-in-dietary-self-control-challenges
#1
Silvia U Maier, Todd A Hare
: Higher levels of self-control in decision making have been linked to better psychosocial and physical health. A similar link to health outcomes has been reported for heart rate variability (HRV), a marker of physiological flexibility. Here, we sought to link these two, largely separate, research domains by testing the hypothesis that greater HRV would be associated with better dietary self-control in humans. Specifically, we examined whether total HRV at sedentary rest (measured as the standard deviation of normal-to-normal intervals, SDNN) can serve as a biomarker for the neurophysiological adaptability that putatively underlies self-controlled behavior...
December 2, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27913345/facial-age-estimation-with-age-difference
#2
Zhenzhen Hu, Yonggang Wen, Jianfeng Wang, Meng Wang, Richang Hong, Shuicheng Yan
Age estimation based on the human face remains a significant problem in computer vision and pattern recognition. In order to estimate an accurate age or age group of a facial image, most of the existing algorithms require a huge face data set attached with age labels. This imposes a constraint on the utilization of the immensely unlabeled or weakly labeled training data, e.g. the huge amount of human photos in the social networks. These images may provide no age label, but it is easily to derive the age difference for an image pair of the same person...
December 1, 2016: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/27913312/crossborder-travel-and-multidrugresistant-tuberculosis-mdrtb-in-europe
#3
Alberto Matteelli, Rosella Centis, Giorgia Sulis, Marina Tadolini
The number of international migrants worldwide has continued to grow rapidly over the past fifteen years and the trend is expected to continue, making the health matters associated with migration a crucial public health challenges faced by governments and societies. Multidrug-resistant tuberculosis is a paradigm of transmissible diseases that do not respect borders and poses a multifaceted and complex challenge on migrant health. The guiding principles for the health response are the respect of equity and human rights as well as the accurate analysis of epidemiological trends and determinants of TB in migrants...
November 29, 2016: Travel Medicine and Infectious Disease
https://www.readbyqxmd.com/read/27912176/novel-designed-vmct1-analogs-with-increased-antimicrobial-activity
#4
Cibele Nicolaski Pedron, Marcelo Der Torossian Torres, Julia Aparecida da Silva Lima, Pedro Ismael Silva, Fernanda Dias Silva, Vani Xavier Oliveira
Antimicrobial peptides are biologically active molecules produced by a wide range of organisms as an essential component of the innate immune response. They have recently attracted great interest, since they have antimicrobial activity against a broad spectrum of microorganisms. VmCT1 is a cationic peptide from the venom of Vaejovis mexicanus smithi scorpions, which presents antibacterial activity and tends to helical structures. Its analogs were synthesized, characterized and the conformational studies were performed by circular dichroism...
November 24, 2016: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/27911730/toward-a-therapy-for-mitochondrial-disease
#5
REVIEW
Carlo Viscomi
Mitochondrial disorders are a group of genetic diseases affecting the energy-converting process of oxidative phosphorylation. The extreme variability of symptoms, organ involvement, and clinical course represent a challenge to the development of effective therapeutic interventions. However, new possibilities have recently been emerging from studies in model organisms and awaiting verification in humans. I will discuss here the most promising experimental approaches and the challenges we face to translate them into the clinics...
October 15, 2016: Biochemical Society Transactions
https://www.readbyqxmd.com/read/27911725/the-multiple-roles-of-the-nucleocapsid-in-retroviral-rna-conversion-into-proviral-dna-by-reverse-transcriptase
#6
REVIEW
Jean-Luc Darlix, Hugues de Rocquigny, Yves Mély
Retroviruses are enveloped plus-strand RNA viruses that can cause cancer, immunodeficiency and neurological disorder in human and animals. Retroviruses have several unique properties, such as a genomic RNA in a dimeric form found in the virus, and a replication strategy called 'copy-and-paste' during which the plus-strand genomic RNA is converted into a double-stranded DNA, subsequently integrated into the cellular genome. Two essential viral enzymes, reverse transcriptase (RT) and integrase (IN), direct this 'copy-and-paste' replication...
October 15, 2016: Biochemical Society Transactions
https://www.readbyqxmd.com/read/27909983/4-4-%C3%A3-resolution-cryo-em-structure-of-human-mtor-complex-1
#7
Huirong Yang, Jia Wang, Mengjie Liu, Xizi Chen, Min Huang, Dan Tan, Meng-Qiu Dong, Catherine C L Wong, Jiawei Wang, Yanhui Xu, Hong-Wei Wang
Mechanistic target of rapamycin (mTOR) complex 1 (mTORC1) integrates signals from growth factors, cellular energy levels, stress and amino acids to control cell growth and proliferation through regulating translation, autophagy and metabolism. Here we determined the cryo-electron microscopy structure of human mTORC1 at 4.4 Å resolution. The mTORC1 comprises a dimer of heterotrimer (mTOR-Raptor-mLST8) mediated by the mTOR protein. The complex adopts a hollow rhomboid shape with 2-fold symmetry. Notably, mTORC1 shows intrinsic conformational dynamics...
December 1, 2016: Protein & Cell
https://www.readbyqxmd.com/read/27909262/overcoming-the-limits-of-evidence-on-effective-multisectoral-nutrition-policy
#8
Madhu Kumar Marasini, Ssansa Mugenyi
The multisectoral approach has evolved as a popular instrument to attain nutrition goals and targets. But as policy makers, we need timely, relevant, and accurate information in order to effectively support these plans. This commentary comes from the members of the nutrition secretariats at the National Planning Commission in Nepal and the Office of the Prime Minister in Uganda on availability and use of evidence and the nutrition policy cycle. As has been highlighted in this supplement, some of the challenges we have faced include tracking nutrition spending and limited human resource capacity...
December 2016: Food and Nutrition Bulletin
https://www.readbyqxmd.com/read/27909003/the-cytoarchitecture-of-domain-specific-regions-in-human-high-level-visual-cortex
#9
Kevin S Weiner, Michael A Barnett, Simon Lorenz, Julian Caspers, Anthony Stigliani, Katrin Amunts, Karl Zilles, Bruce Fischl, Kalanit Grill-Spector
A fundamental hypothesis in neuroscience proposes that underlying cellular architecture (cytoarchitecture) contributes to the functionality of a brain area. However, this hypothesis has not been tested in human ventral temporal cortex (VTC) that contains domain-specific regions causally involved in perception. To fill this gap in knowledge, we used cortex-based alignment to register functional regions from living participants to cytoarchitectonic areas in ex vivo brains. This novel approach reveals 3 findings...
November 30, 2016: Cerebral Cortex
https://www.readbyqxmd.com/read/27908628/biomarkers-of-the-health-outcomes-associated-with-ambient-particulate-matter-exposure
#10
Lixin Yang, Xiang-Yu Hou, Yongjie Wei, Phong Thai, Fahe Chai
Epidemiologic evidence supports the positive association of cardiopulmonary morbidity and mortality, and lung cancer risk with exposure to airborne particulate matter (PM). Oxidative stress and inflammation have been proposed to be the major causal factors involved in mediating PM effects on both cardiovascular and pulmonary health outcomes. However, the mechanism whereby PM causes the health effects is not fully elucidated. To evaluate and investigate human exposure to PM, it is essential to have a specific, sensitive and robust characterization of individual exposure to PM...
November 29, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27908581/sonodynamic-inactivation-of-gram-positive-and-gram-negative-bacteria-using-a-rose-bengal-antimicrobial-peptide-conjugate
#11
David Costley, Heather Nesbitt, Nigel Ternan, James Dooley, Ying-Ying Huang, Michael R Hamblin, Anthony P McHale, John F Callan
Combating antimicrobial resistance is one of the most serious public health challenges facing society today. The development of new antibiotics or alternative techniques that can help combat antimicrobial resistance is being prioritised by many governments and stakeholders across the globe. Antimicrobial photodynamic therapy is one such technique that has received considerable attention but is limited by the inability of light to penetrate through human tissue, reducing its effectiveness when used to treat deep-seated infections...
November 17, 2016: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/27908456/wastewater-based-epidemiology-to-assess-human-exposure-to-pyrethroid-pesticides
#12
Nikolaos I Rousis, Ettore Zuccato, Sara Castiglioni
Pesticides are active substances with potentially adverse effects on human health, and therefore great effort is addressed to study the relation between their widespread use and the effects on humans. To track human exposure to pesticides, novel approaches are needed to give additional information on exposure at population level. In this study, a novel application of Wastewater-Based Epidemiology (WBE) was developed to measure the intake of pyrethroid pesticides in a population. Three human urinary metabolites of pyrethroids were selected and validated as biomarkers of exposure by evaluating their sources and stability in wastewater...
November 28, 2016: Environment International
https://www.readbyqxmd.com/read/27907265/conservation-hotspots-for-marine-turtle-nesting-in-the-united-states-based-on-coastal-development
#13
Mariana M P B Fuentes, Christian Gredzens, Brooke L Bateman, Ruth Boettcher, Simona A Ceriani, Matthew H Godfrey, David Helmers, Dianne K Ingram, Ruth L Kamrowski, Michelle Pate, Robert L Pressey, Volker C Radeloff
Coastal areas provide nesting habitat for marine turtles that is critical for the persistence of their populations. However, many coastal areas are highly affected by coastal development, which affects the reproductive success of marine turtles. Knowing the extent to which nesting areas are exposed to these threats is essential to guide management initiatives. This information is particularly important for coastal areas with both high nesting density and dense human development, a combination that is common in the United States...
December 2016: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/27906518/functional-development-of-the-brain-s-face-processing-system
#14
REVIEW
Frank Haist, Gizelle Anzures
In the first 20 years of life, the human brain undergoes tremendous growth in size, weight, and synaptic connectedness. Over the same time period, a person achieves remarkable transformations in perception, thought, and behavior. One important area of development is face processing ability, or the ability to quickly and accurately extract extensive information about a person's identity, emotional state, attractiveness, intention, and numerous other types of information that are crucial to everyday social interaction and communication...
December 1, 2016: Wiley Interdisciplinary Reviews. Cognitive Science
https://www.readbyqxmd.com/read/27906262/light-field-and-holographic-three-dimensional-displays-invited
#15
Masahiro Yamaguchi
A perfect three-dimensional (3D) display that satisfies all depth cues in human vision is possible if a light field can be reproduced exactly as it appeared when it emerged from a real object. The light field can be generated based on either light ray or wavefront reconstruction, with the latter known as holography. This paper first provides an overview of the advances of ray-based and wavefront-based 3D display technologies, including integral photography and holography, and the integration of those technologies with digital information systems...
December 1, 2016: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
https://www.readbyqxmd.com/read/27906124/one-health-in-china
#16
REVIEW
Jianyong Wu, Lanlan Liu, Guoling Wang, Jiahai Lu
As a result of rapid economic growth over the previous three decades, China has become the second largest economy worldwide since 2010. However, as a developing country with the largest population, this rapid economic growth primarily based on excessive consumption and waste of resources. Thus, China has been facing particularly severe ecological and environmental problems in speeding up industrialization and urbanization. The impact of the health risk factors is complex and difficult to accurately predict...
2016: Infection Ecology & Epidemiology
https://www.readbyqxmd.com/read/27904271/histologic-evidence-of-new-collagen-formulation-using-platelet-rich-plasma-in-skin-rejuvenation-a-prospective-controlled-clinical-study
#17
Ozlem Karabudak Abuaf, Hamza Yildiz, Hüseyin Baloglu, Memet Ersan Bilgili, Hasan Aktug Simsek, Bilal Dogan
BACKGROUND: Platelet-rich plasma (PRP) is an autologous concentration of human platelets contained in a small volume of plasma and has recently been shown to accelerate rejuvenate aging skin by various growth factors and cell adhesion molecules. OBJECTIVE: This study was conducted to evaluate the efficacy and safety of intradermal injection of PRP in the human facial rejuvenation. METHODS: This study was a prospective, single-center, single-dose, open-label, non-randomized controlled clinical study...
December 2016: Annals of Dermatology
https://www.readbyqxmd.com/read/27903636/spatiotopic-maps-during-dynamic-head-tilt
#18
Kyriaki Mikellidou, Marco Turi, David Charles Burr
Humans maintain a stable representation of the visual world effortlessly, despite constant movements of the eyes, head and body, across multiple planes. Whereas visual stability in the face of saccadic eye-movements has been intensely researched, fewer studies have investigated retinal image transformations induced by head movements, especially in the frontal plane. Unlike head rotations in the horizontal and sagittal planes, tilting the head in the frontal plane is only partially counteracted by torsional eye-movements, and consequently induces a distortion of the retinal image to which we seem to be completely oblivious...
November 30, 2016: Journal of Neurophysiology
https://www.readbyqxmd.com/read/27903563/leveraging-ongoing-research-to-evaluate-the-health-impacts-of-south-africa-s-salt-reduction-strategy-a-prospective-nested-cohort-within-the-who-sage-multicountry-longitudinal-study
#19
Karen Charlton, Lisa J Ware, Elias Menyanu, Richard Berko Biritwum, Nirmala Naidoo, Chiné Pieterse, Savathree Lorna Madurai, Jeannine Baumgartner, George A Asare, Elizabeth Thiele, Aletta E Schutte, Paul Kowal
INTRODUCTION: Attempting to curb the rising epidemic of hypertension, South Africa implemented legislation in June 2016 mandating maximum sodium levels in a range of manufactured foods that contribute significantly to population salt intake. This natural experiment, comparing two African countries with and without salt legislation, will provide timely information on the impact of legislative approaches addressing the food supply to improve blood pressure in African populations. This article outlines the design of this ongoing prospective nested cohort study...
November 30, 2016: BMJ Open
https://www.readbyqxmd.com/read/27902685/getting-to-the-bottom-of-face-processing-species-specific-inversion-effects-for-faces-and-behinds-in-humans-and-chimpanzees-pan-troglodytes
#20
Mariska E Kret, Masaki Tomonaga
For social species such as primates, the recognition of conspecifics is crucial for their survival. As demonstrated by the 'face inversion effect', humans are experts in recognizing faces and unlike objects, recognize their identity by processing it configurally. The human face, with its distinct features such as eye-whites, eyebrows, red lips and cheeks signals emotions, intentions, health and sexual attraction and, as we will show here, shares important features with the primate behind. Chimpanzee females show a swelling and reddening of the anogenital region around the time of ovulation...
2016: PloS One
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