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https://www.readbyqxmd.com/read/28723912/ginger-and-the-beetle-evidence-of-primitive-pollination-system-in-a-himalayan-endemic-alpine-ginger-roscoea-alpina-zingiberaceae
#1
Babu Ram Paudel, Mani Shrestha, Adrian G Dyer, Qing-Jun Li
The Himalayan endemic alpine genus Roscoea, like other members of ginger family, exhibits the combination of floral traits that would fit pollination by long distant foragers such as bees, birds or flies. We studied the pollination biology of Roscoea alpina, observed potential floral visitors and determined their foraging behaviour, visitation frequency and pollination efficiency, to seek evidence in support of the pollination syndrome hypothesis. We also measured the floral spectra of R. alpina flowers to evaluate if signals fit with the currently known framework for observed floral visitors...
2017: PloS One
https://www.readbyqxmd.com/read/28723813/effect-of-resistance-training-on-blood-pressure-and-autonomic-responses-in-treated-hypertensives
#2
Gabriela Alves Trevizani, Mariana Balbi Seixas, Paulo Roberto Benchimol-Barbosa, Jeferson Macedo Vianna, Lilian Pinto da Silva, Jurandir Nadal
This study evaluated the effect of resistance training (RT) on heart rate variability (HRV) and on blood pressure (BP) responses to acute and short-term exposure in treated hypertensive subjects. Twenty one men participated in the study, eight hypertensive under drug treatment regimen and achieving adequate blood pressure control prior to inclusion (HT) and thirteen normotensive (NT). The RT protocol consisted of 12 sessions with 8 exercises (leg extension, leg press, leg curl, bench press, seated row, triceps push-down, seated calf flexion and seated arm curl) performed for 2 sets of 15-20 repetitions with 50% of one repetition-maximum (1RM) with 2-minute rest intervals in between sets, 3x/week...
July 17, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28723556/peroxisome-mediated-metabolism-is-required-for-immune-response-to-microbial-infection
#3
Francesca Di Cara, Avinash Sheshachalam, Nancy E Braverman, Richard A Rachubinski, Andrew J Simmonds
The innate immune response is critical for animal homeostasis and is conserved from invertebrates to vertebrates. This response depends on specialized cells that recognize, internalize, and destroy microbial invaders through phagocytosis. This is coupled to autonomous or non-autonomous cellular signaling via reactive oxygen species (ROS) and cytokine production. Lipids are known signaling factors in this process, as the acute phase response of macrophages is accompanied by systemic lipid changes that help resolve inflammation...
July 18, 2017: Immunity
https://www.readbyqxmd.com/read/28723347/heart-rate-variability-is-enhanced-by-long-lasting-pleasant-touch-at-ct-optimized-velocity
#4
Chantal Triscoli, Ilona Croy, Susann Steudte-Schmiedgen, Håkan Olausson, Uta Sailer
INTRODUCTION: The present study explores whether long-lasting pleasant touch has positive effects on the stress response, reward sensitivity, mood, and interoceptive awareness. METHODS: 40 participants received either 35minutes of brush stroking targeting C-tactile fibres (CT) or vibration on the forearm, and rated pleasantness and intensity. Prior and after, stress response (cortisol and heart rate variability), reward sensitivity, mood and interoceptive awareness were measured...
July 16, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28723120/graphene-oxide-nanoprisms-for-sensitive-detection-of-environmentally-important-aromatic-compounds-with-sers
#5
Peter V Shanta, Quan Cheng
Recent advances in graphene-based sensors have shown that heavily oxidized (GO) and reduced graphene oxide (rGO) are attractive materials for environmental sensing due to their unique chemical and physical properties. We describe here the fabrication of nanostructured GO assemblies with Ag nanoprisms for improved detection with surface enhanced Raman scattering (SERS). Specifically, 100-μm-sized, periodic-nanoprism-array domains were fabricated on top of the GO layers by GO-assisted lithography (GOAL). The atomically thin GO underlayers are shown to attract cyclic aromatic molecules to the surface, likely via π-π stacking interactions...
June 23, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28722647/what-factors-are-associated-with-autonomous-and-controlled-motivation-for-hearing-help-seekers
#6
Jason Ridgway, Louise Hickson, Christopher Lind
BACKGROUND: Hearing impairment is prevalent in older adults. Motivation is important in people's choice to seek help for their hearing and whether to adopt or not adopt hearing aids. PURPOSE: To investigate associations between sociodemographic and audiometric characteristics and autonomous and controlled motivation among a sample of hearing help-seekers. RESEARCH DESIGN: A quantitative approach was taken for this cross-sectional cohort study...
July 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28722514/non-autonomous-autophagy-in-germline-stem-cell-proliferation
#7
Kristina Ames, Alicia Melendez
No abstract text is available yet for this article.
July 19, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28722132/evolution-of-the-selfing-syndrome-anther-orientation-and-herkogamy-together-determine-reproductive-assurance-in-a-self-compatible-plant
#8
Per Toräng, Linus Vikström, Jörg Wunder, Stefan Wötzel, George Coupland, Jon Ågren
Capacity for autonomous self-fertilization provides reproductive assurance, has evolved repeatedly in the plant kingdom, and typically involves several changes in flower morphology and development (the selfing syndrome). Yet, the relative importance of different traits and trait combinations for efficient selfing and reproductive success in pollinator-poor environments is poorly known. In a series of experiments, we tested the importance of anther-stigma distance and the less studied trait anther orientation for efficiency of selfing in the perennial herb Arabis alpina...
July 19, 2017: Evolution; International Journal of Organic Evolution
https://www.readbyqxmd.com/read/28721740/clinical-features-and-subjective-physiological-responses-to-emotional-stimuli-in-the-presence-of-emotion-dysregulation-in-attention-deficit-hyperactivity-disorder
#9
Candan Taskiran, Serkan Karaismailoglu, Halime Tuna Cak Esen, Zeynep Tuzun, Aysen Erdem, Zeynep Dicle Balkanci, Anil Barak Dolgun, Sadriye Ebru Cengel Kultur
INTRODUCTION: Emotion dysregulation (ED) has long been recognized in clinical descriptions of attention-deficit hyperactivity disorder (ADHD), but a renewed interest in ED has advanced research on the overlap between the two entities. Autonomic reactivity (AR) is a neurobiological correlate of emotion regulation; however, the association between ADHD and AR remains unclear. Our aim was to explore the clinical differences, AR, and subjective emotional responses to visual emotional stimuli in ADHD children with and without ED...
July 19, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28721641/attributing-agency-to-automated-systems-reflections-on-human-robot-collaborations-and-responsibility-loci
#10
Sven Nyholm
Many ethicists writing about automated systems (e.g. self-driving cars and autonomous weapons systems) attribute agency to these systems. Not only that; they seemingly attribute an autonomous or independent form of agency to these machines. This leads some ethicists to worry about responsibility-gaps and retribution-gaps in cases where automated systems harm or kill human beings. In this paper, I consider what sorts of agency it makes sense to attribute to most current forms of automated systems, in particular automated cars and military robots...
July 18, 2017: Science and Engineering Ethics
https://www.readbyqxmd.com/read/28721092/hemicrania-continua-clinical-review-diagnosis-and-management
#11
REVIEW
Sanjay Prakash, Payal Patel
Hemicrania continua (HC) is an indomethacin-responsive primary headache disorder which is currently classified under the heading of trigeminal autonomic cephalalgias (TACs). It is a highly misdiagnosed and underreported primary headache. The pooled mean delay of diagnosis of HC is 8.0 ± 7.2 years. It is not rare. We noted more than 1000 cases in the literature. It represents 1.7% of total headache patients attending headache or neurology clinic. Just like other TACs, it is characterized by strictly unilateral pain in the trigeminal distribution, cranial autonomic features in the same area and agitation during exacerbations/attacks...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28721087/epicrania-fugax-combining-forward-and-backward-paroxysms-in-the-same-patient-the-first-four-cases
#12
Johanna Barón-Sánchez, Álvaro Gutiérrez-Viedma, Marina Ruiz-Piñero, Alicia Pérez-Pérez, Ángel Luis Guerrero, María L Cuadrado
BACKGROUND: The first description of epicrania fugax (EF) reported brief painful paroxysms that start in posterior regions of the scalp and move forward to reach the ipsilateral forehead, eye, or nose. A backward variation, wherein pain stems from frontal areas and radiates to the posterior scalp, has also been acknowledged. We report four patients with features reminiscent of EF and the coexistence of forward and backward pain paroxysms. METHODS: We considered all patients attending the headache outpatient office at two tertiary hospitals from March 2008 to March 2016...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28721030/regular-physical-exercise-improves-cardiac-autonomic-and-muscle-vasodilatory-responses-to-isometric-exercise-in-healthy-elderly
#13
Adriana de Oliveira Sarmento, Amilton da Cruz Santos, Ivani Credidio Trombetta, Marciano Moacir Dantas, Ana Cristina Oliveira Marques, Leone Severino do Nascimento, Bruno Teixeira Barbosa, Marcelo Rodrigues Dos Santos, Maria do Amparo Andrade, Anna Myrna Jaguaribe-Lima, Maria do Socorro Brasileiro-Santos
The objective of this study was to evaluate cardiac autonomic control and muscle vasodilation response during isometric exercise in sedentary and physically active older adults. Twenty healthy participants, 10 sedentary and 10 physically active older adults, were evaluated and paired by gender, age, and body mass index. Sympathetic and parasympathetic cardiac activity (spectral and symbolic heart rate analysis) and muscle blood flow (venous occlusion plethysmography) were measured for 10 minutes at rest (baseline) and during 3 minutes of isometric handgrip exercise at 30% of the maximum voluntary contraction (sympathetic excitatory maneuver)...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28720882/cell-type-specific-differences-in-promoter-activity-of-the-als-linked-c9orf72-mouse-ortholog
#14
Abraham J Langseth, Juhyun Kim, Janet E Ugolino, Yajas Shah, Ho-Yon Hwang, Jiou Wang, Dwight E Bergles, Solange P Brown
A hexanucleotide repeat expansion in the C9orf72 gene is the most common cause of inherited forms of the neurodegenerative disease amyotrophic lateral sclerosis (ALS). Both loss-of-function and gain-of-function mechanisms have been proposed to underlie this disease, but the pathogenic pathways are not fully understood. To better understand the involvement of different cell types in the pathogenesis of ALS, we systematically analyzed the distribution of promoter activity of the mouse ortholog of C9orf72 in the central nervous system...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720881/patients-with-orthostatic-intolerance-relationship-to-autonomic-function-tests-results-and-reproducibility-of-symptoms-on-tilt
#15
Hyung Lee, Phillip A Low, Hyun Ah Kim
This study was designed to investigate the frequency and pattern of orthostatic symptoms during head-up tilt (HUT) in patients with orthostatic intolerance during daily life, and to identify the relationship between the orthostatic symptoms during HUT and autonomic parameters. We prospectively collected autonomic data from 464 patients with orthostatic symptoms. Adrenergic and cardiovagal function tests including HUT were performed. Based on HUT results, we divided patients into orthostatic hypotension (OH), postural tachycardia syndrome (POTS), or normal HUT groups...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720716/pi3k%C3%AE-activity-in-leukocytes-promotes-adipose-tissue-inflammation-and-early-onset-insulin-resistance-during-obesity
#16
Ludovic Breasson, Barbara Becattini, Claudia Sardi, Angela Molinaro, Fabio Zani, Romina Marone, Fabrizio Botindari, Mélanie Bousquenaud, Curzio Ruegg, Matthias P Wymann, Giovanni Solinas
The phosphoinositide 3-kinase γ (PI3Kγ) plays a major role in leukocyte recruitment during acute inflammation and has been proposed to inhibit classical macrophage activation by driving immunosuppressive gene expression. PI3Kγ plays an important role in diet-induced obesity and insulin resistance. In seeking to determine the underlying molecular mechanisms, we showed that PI3Kγ action in high-fat diet-induced inflammation and insulin resistance depended largely on its role in the control of adiposity, which was due to PI3Kγ activity in a nonhematopoietic cell type...
July 18, 2017: Science Signaling
https://www.readbyqxmd.com/read/28720569/platelets-as-autonomous-drones-for-hemostatic-and-immune-surveillance
#17
REVIEW
Jackson LiangYao Li, Alexander Zarbock, Andrés Hidalgo
Platelets participate in many important physiological processes, including hemostasis and immunity. However, despite their broad participation in these evolutionarily critical roles, the anucleate platelet is uniquely mammalian. In contrast with the large nucleated equivalents in lower vertebrates, we find that the design template for the evolutionary specialization of platelets shares remarkable similarities with human-engineered unmanned aerial vehicles in terms of overall autonomy, maneuverability, and expendability...
July 18, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28719973/an-exploratory-study-of-autonomic-function-investigations-in-hemophiliacs-on-homoeopathy-medications-using-impedance-plethysmography
#18
Tapas K Kundu, Pradip B Barde, Ghanshyam D Jindal, Farooq F Motiwala
BACKGROUND: Status of autonomic homoeostasis in hemostasic disturbances due to hemophilia needs to be studied. OBJECTIVES: To compare autonomic nervous system markers measured by heart rate variability (HRV) and blood flow variability (BFV) in hemophiliacs and healthy age-matched control population using medical analyzer system. DESIGN: Cross-sectional study. SETTINGS: Motiwala Homoeopathy Medical College, and Hemophilia Clinics, Nashik...
January 1, 2017: Journal of Evidence-based Complementary & Alternative Medicine
https://www.readbyqxmd.com/read/28719921/-patient-s-autonomy-and-information-in-psycho-oncology-computer-based-distress-screening-for-an-interactive-treatment-planning-epos-react
#19
Norbert Schäffeler, Jana Sedelmaier, Hannah Möhrer, Katrin Ziser, Johanna Ringwald, Martin Wickert, Sara Brucker, Florian Junne, Stephan Zipfel, Martin Teufel
To identify distressed patients in oncology using screening questionnaires is quite challenging in clinical routine. Up to now there is no evidence based recommendation which instrument is most suitable and how to put a screening to practice. Using computer based screening tools offers the possibility to automatically analyse patient's data, inform psycho-oncological and medical staff about the results, and use reactive questionnaires. Studies on how to empower patients in decision making in psycho-oncology are rare...
July 2017: Psychotherapie, Psychosomatik, Medizinische Psychologie
https://www.readbyqxmd.com/read/28719273/bungarus-multicinctus-multicinctus-snakebite-in-taiwan
#20
Yan-Chiao Mao, Po-Yu Liu, Liao-Chun Chiang, Shu-Chen Liao, Hung-Yuan Su, Szu-Yin Hsieh, Chen-Chang Yang
AbstractAlthough specific antivenom is available in Taiwan, respiratory failure and general pain frequently accompany Bungarus multicinctus envenomation and there have been few reports on the management of B. multicinctus envenomation. We retrospectively analyzed 44 cases of B. multicinctus bite admitted to Taichung Veterans General Hospital (VGH) or to Taipei VGH. Demographic data, treatment, and outcome of patients with and without respiratory failure were compared. In this study, 20.5% patients had bites without noticeable signs or symptoms of significant envenoming, 27...
June 2017: American Journal of Tropical Medicine and Hygiene
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