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https://www.readbyqxmd.com/read/29154290/positive-facial-expressions-during-retrieval-of-self-defining-memories
#1
Marie Charlotte Gandolphe, Jean Louis Nandrino, Gérald Delelis, Claire Ducro, Audrey Lavallee, Xavier Saloppe, Ahmed A Moustafa, Mohamad El Haj
In this study, we investigated, for the first time, facial expressions during the retrieval of Self-defining memories (i.e., those vivid and emotionally intense memories of enduring concerns or unresolved conflicts). Participants self-rated the emotional valence of their Self-defining memories and autobiographical retrieval was analyzed with a facial analysis software. This software (Facereader) synthesizes the facial expression information (i.e., cheek, lips, muscles, eyebrow muscles) to describe and categorize facial expressions (i...
November 14, 2017: Journal of Integrative Neuroscience
https://www.readbyqxmd.com/read/29143805/mechanisms-of-acupuncture-therapy-in-ischemic-stroke-rehabilitation-a-literature-review-of-basic-studies
#2
REVIEW
Lina M Chavez, Shiang-Suo Huang, Iona MacDonald, Jaung-Geng Lin, Yu-Chen Lee, Yi-Hung Chen
Acupuncture is recommended by the World Health Organization (WHO) as an alternative and complementary strategy for stroke treatment and for improving stroke care. Clinical trial and meta-analysis findings have demonstrated the efficacy of acupuncture in improving balance function, reducing spasticity, and increasing muscle strength and general well-being post-stroke. The mechanisms underlying the beneficial effects of acupuncture in stroke rehabilitation remain unclear. The aim of this study was to conduct a literature review, summarize the current known mechanisms in ischemic stroke rehabilitation through acupuncture and electroacupuncture (EA) therapy, and to detail the frequently used acupoints implicated in these effects...
October 28, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29118960/from-the-padua-muscle-days-the-basic-and-applied-myology-and-the-european-journal-of-translational-myology-to-the-a-cm-carraro-foundation-for-translational-myology
#3
Ugo Carraro
As a young researched I had the option to work on skeletal muscle at the University of Padova, Italy. Introduced to the study of muscle denervation/reinnervation, I started a project on long term denervated muscle that still is my primary interest and took me from rodents' models of chronic muscle denervation to human spinal cord injury-related muscle denervation and its managements. On the way, I organized a series of conferences in Euganei Hills, Padua, Italy and an international journal, the Basic and Applied Myology...
June 27, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/29107037/transcriptional-correlates-of-proximal-distal-identify-and-regeneration-timing-in-axolotl-limbs
#4
S Randal Voss, David Murrugarra, Tyler B Jensen, James R Monaghan
Cells within salamander limbs retain memories that inform the correct replacement of amputated tissues at different positions along the length of the arm, with proximal and amputations completing regeneration at similar times. We investigated the possibility that positional memory is associated with variation in transcript abundances along the proximal-distal limb axis. Transcripts were deeply sampled from Ambystoma mexicanum limbs at the time they were administered fore arm vs upper arm amputations, and at 20 post-amputation time points...
October 26, 2017: Comparative Biochemistry and Physiology. Toxicology & Pharmacology: CBP
https://www.readbyqxmd.com/read/29098620/clinical-evidence-of-exercise-benefits-for-stroke
#5
Peipei Han, Wen Zhang, Li Kang, Yixuan Ma, Liyuan Fu, Liye Jia, Hairui Yu, Xiaoyu Chen, Lin Hou, Lu Wang, Xing Yu, Masahiro Kohzuki, Qi Guo
Even though stroke is the third, not the first, most common cause of disability-adjusted life years in developed countries, it is one of the most expensive to treat. Part of the expense is due to secondary problems in the post-stroke period including: cognition, memory, attention span, pain, sensation loss, psychological issues, and problems with mobility and balance. Research has identified that exercise has both positive physical and psychosocial effects for post-stroke patients. Therefore, this scientific statement provides an overview on exercise rehabilitation for post-stroke patients...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29097202/distinct-amyloid-precursor-protein-processing-machineries-of-the-olfactory-system
#6
Jae Yeon Kim, Ameer Rasheed, Seung-Jun Yoo, So Yeun Kim, Bongki Cho, Gowoon Son, Seong-Woon Yu, Keun-A Chang, Yoo-Hun Suh, Cheil Moon
Processing of amyloid precursor protein (APP) occurs through sequential cleavages first by β-secretase and then by the γ-secretase complex. However, abnormal processing of APP leads to excessive production of β-amyloid (Aβ) in the central nervous system (CNS), an event which is regarded as a primary cause of Alzheimer's disease (AD). In particular, gene mutations of the γ-secretase complex-which contains presenilin 1 or 2 as the catalytic core-could trigger marked Aβ accumulation. Olfactory dysfunction usually occurs before the onset of typical AD-related symptoms (eg, memory loss or muscle retardation), suggesting that the olfactory system may be one of the most vulnerable regions to AD...
October 30, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29095692/long-term-recording-of-electromyographic-activity-from-multiple-muscles-to-monitor-physical-activity-of-participants-with-or-without-a-neurological-disorder
#7
Katie Gant, Jorge Bohorquez, Christine K Thomas
Various portable monitors have been used to quantify physical activity but most rely on detecting limb movement with a sensor rather than measuring muscle activity. Our first goal was to design and validate a portable system for recording surface electromyographic activity (EMG) from eight muscles over 24 h. The modular system includes: (1) preamplifiers that filter and amplify signals; (2) a preprocessor unit for further filtering and amplification, signal offset and power supply modification; (3) a data-logger for analog-to-digital conversion; a flash memory card for data storage and (4) a rechargeable battery...
November 2, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/29081402/conformational-memory-in-the-association-of-the-transmembrane-protein-phospholamban-with-the-sarcoplasmic-reticulum-calcium-pump-serca
#8
Serena Smeazzetto, Gareth P Armanious, Marai Rosa Moncelli, Jessi J Bak, M Joanne Lemieux, Howard S Young, Francesco Tadini-Buoninsegni
The sarcoplasmic reticulum Ca2+-ATPase SERCA promotes muscle relaxation by pumping calcium ions from the cytoplasm into the sarcoplasmic reticulum. SERCA activity is regulated by a variety of small transmembrane peptides, most notably by phospholamban in cardiac muscle and sarcolipin in skeletal muscle. However, how phospholamban and sarcolipin regulate SERCA is not fully understood. In the present study, we evaluated the effects of phospholamban and sarcolipin on calcium translocation and ATP hydrolysis by SERCA under conditions that mimic environments in sarcoplasmic reticulum membranes...
October 29, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29072553/prospective-memory-impairment-in-idiopathic-rem-sleep-behavior-disorder
#9
Ondrej Bezdicek, Tomáš Nikolai, Jiří Nepožitek, Pavla Peřinová, David Kemlink, Pavel Dušek, Iva Příhodová, Simona Dostálová, Veronika Ibarburu, Jiří Trnka, Karel Kupka, Zuzana Mecková, Jiří Keller, Josef Vymazal, Evžen Růžička, Karel Šonka, Petr Dušek
OBJECTIVE: The aim of the present study was to investigate if prospective memory (PM) is impaired in idiopathic rapid eye movement (REM) sleep behavior disorder (iRBD). RBD is a parasomnia characterized by dream enactment and by REM sleep without muscle atonia. iRBD is considered as the initial stage of neurodegeneration with pathological storage of alpha-synuclein. METHOD: Sixty iRBD patients with polysomnography-confirmed RBD without parkinsonism and dementia and 30 demographically matched normal controls (NC) were enrolled in the present study...
October 26, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/29039988/the-intraoperative-use-of-polydioxanone-foil-to-reduce-the-risk-of-sino-orbital-fistula-formation-in-orbital-exenteration
#10
Aws Al-Hity, Maria Elena Gregory, Ewan G Kemp
BACKGROUND: Orbital exenteration is a radical surgical procedure resulting in deformity. It involves removal of the globe, optic nerve, extra-ocular muscles, orbital fat, lacrimal gland, and peri-osteum. Sino-orbital fistula (SOF) formation is a common documented post-operative complication, usually connecting the orbit and the ethmoid sinus. SOFs can cause leaks of serous fluid, and act as an entry site for pathogens into the orbit leading to socket infection and breakdown. METHODS: This retrospective study analyzed exenterations performed over a 22-year period (1993-2015) at the National Ocular Oncology Service Centre for Scotland...
October 17, 2017: Orbit
https://www.readbyqxmd.com/read/29031461/sleep-sport-and-the-brain
#11
Shona L Halson, Laura E Juliff
The recognition that sleep is one of the foundations of athlete performance is increasing both in the elite athlete arena as well as applied performance research. Sleep, as identified through sleep deprivation and sleep extension investigations, has a role in performance, illness, injury, metabolism, cognition, memory, learning, and mood. Elite athletes have been identified as having poorer quality and quantity of sleep in comparison to the general population. This is likely the result on training times, competition stress/anxiety, muscle soreness, caffeine use, and travel...
2017: Progress in Brain Research
https://www.readbyqxmd.com/read/28992248/region-specific-irradiation-system-with-heavy-ion-microbeam-for-active-individuals-of-caenorhabditis-elegans
#12
Michiyo Suzuki, Yuya Hattori, Tetsuya Sakashita, Yuichiro Yokota, Yasuhiko Kobayashi, Tomoo Funayama
Radiation may affect essential functions and behaviors such as locomotion, feeding, learning and memory. Although whole-body irradiation has been shown to reduce motility in the nematode Caenorhabditis elegans, the detailed mechanism responsible for this effect remains unknown. Targeted irradiation of the nerve ring responsible for sensory integration and information processing would allow us to determine whether the reduction of motility following whole-body irradiation reflects effects on the central nervous system or on the muscle cells themselves...
August 30, 2017: Journal of Radiation Research
https://www.readbyqxmd.com/read/28977539/incomplete-myod-induced-transdifferentiation-is-associated-with-chromatin-remodeling-deficiencies
#13
Dinesh Manandhar, Lingyun Song, Ami Kabadi, Jennifer B Kwon, Lee E Edsall, Melanie Ehrlich, Koji Tsumagari, Charles A Gersbach, Gregory E Crawford, Raluca Gordân
Our current understanding of cellular transdifferentiation systems is limited. It is oftentimes unknown, at a genome-wide scale, how much transdifferentiated cells differ quantitatively from both the starting cells and the target cells. Focusing on transdifferentiation of primary human skin fibroblasts by forced expression of myogenic transcription factor MyoD, we performed quantitative analyses of gene expression and chromatin accessibility profiles of transdifferentiated cells compared to fibroblasts and myoblasts...
November 16, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28955431/challenges-of-stroke-management-in-resource-limited-settings-a-case-based-reflection
#14
Yohane G Gadama, Gloria Mwangalika, Louis B Kinley, Beth Jackson, Henry C Mwandumba, Jane Mallewa, Tom Solomon, Rob Simister, Laura A Benjamin, Maria I Vargas, Joseph Kamtchum-Tatuene, Tamara Phiri
A 19-year-old man presented with a 1-year history of headache, generalised body weakness, progressive memory loss, and disorientation. One month prior to admission, there was aggravation of the weakness of the right upper limb, with new-onset difficulty with mastication, speech impairment, apathy, and urinary incontinence. On clinical examination, the patient had a motor aphasia and a right-sided hemiparesis with increased muscle tone and hyperreflexia. A noncontrast computed tomography (CT) scan of the brain revealed large ischaemic strokes extending beyond the classical vascular territories...
June 2017: Malawi Medical Journal: the Journal of Medical Association of Malawi
https://www.readbyqxmd.com/read/28951003/bladder-sparing-radiotherapy-for-muscle-invasive-bladder-cancer-a-qualitative-study-to-identify-barriers-and-enablers
#15
M Walker, R C Doiron, S D French, D Feldman-Stewart, D R Siemens, W J Mackillop, C M Booth
AIMS: Bladder-sparing radiotherapy for muscle-invasive bladder cancer (MIBC) may be underutilised in North America. To understand factors driving practice we used the Theoretical Domains Framework (TDF) to identify barriers and enablers of bladder-sparing radiotherapy utilisation. MATERIALS AND METHODS: A convenience sample of Canadian urologists, medical oncologists and radiation oncologists participated in individual semi-structured 1 h interviews. An interview guide was developed using the TDF to assess barriers and enablers of bladder-sparing radiotherapy use...
September 23, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28943472/7-nitroindazol-loaded-nanoemulsions-preparation-characterization-and-its-improved-inhibitory-effect-on-nitric-oxide-synthase-1
#16
Clarissa Germano Barp, Cassiana Mendes, Elenara Lemos-Senna, Jamil Assreuy
Nitric oxide (NO) participates in several physiological processes such as maintenance of blood pressure, host defense, neurotransmission, inhibition of platelet aggregation and learning and memory. NO is also involved in several diseases or dysfunctions in the cardiovascular, central nervous and musculoskeletal systems. NO also has been shown to be a major player in sepsis. NOS-1-derived NO has been shown to be a relevant species in physiology but also is an important element in pathology. There exist some NOS-1 inhibitors and among of them, 7-nitroindazole has been used for its in vivo selectivity...
September 21, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/28939429/quercetin-ameliorates-chronic-unpredicted-stress-induced-behavioral-dysfunction-in-male-swiss-albino-mice-by-modulating-hippocampal-insulin-signaling-pathway
#17
Vineet Mehta, Tiratha Raj Singh, Malairaman Udayabanu
Chronic stress is associated with impaired neurogenesis, neurodegeneration and behavioral dysfunction, whereas the mechanism underlying stress-mediated neurological complications is still not clear. In the present study, we aimed to investigate whether chronic unpredicted stress (CUS) mediated neurological alterations are associated with impaired hippocampal insulin signaling or not, and studied the effect of quercetin in this scenario. Male Swiss albino mice were subjected to 21day CUS, during which 30mg/kg quercetin treatment was given orally...
December 1, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28932129/american-insight-into-strabismus-surgery-before-1838
#18
REVIEW
Christopher T Leffler, Stephen G Schwartz, John Q Le
English surgeon John Taylor attempted to perform strabismus surgery in the 18th century. The field languished until, in Germany, treatment of strabismus by cutting an extraocular muscle was proposed by Louis Stromeyer in 1838 and performed by Johann Friedrich Dieffenbach in 1839. According to traditional teaching, there has never been any proof that anyone in the United States thought of the idea of strabismus surgery before Stromeyer's report. In 1841, American surgeon William Gibson wrote that he had cut extraocular muscles to treat strabismus several times beginning in 1818 but never published his cases...
2017: Ophthalmology and Eye Diseases
https://www.readbyqxmd.com/read/28928384/soft-material-for-soft-actuators
#19
Aslan Miriyev, Kenneth Stack, Hod Lipson
Inspired by natural muscle, a key challenge in soft robotics is to develop self-contained electrically driven soft actuators with high strain density. Various characteristics of existing technologies, such as the high voltages required to trigger electroactive polymers ( > 1KV), low strain ( < 10%) of shape memory alloys and the need for external compressors and pressure-regulating components for hydraulic or pneumatic fluidicelastomer actuators, limit their practicality for untethered applications...
September 19, 2017: Nature Communications
https://www.readbyqxmd.com/read/28915162/the-effect-of-perinatal-gadolinium-based-contrast-agents-on-adult-mice-behavior
#20
Miski Aghnia Khairinisa, Yusuke Takatsuru, Izuki Amano, Khongorzul Erdene, Takahito Nakajima, Satomi Kameo, Hiroshi Koyama, Yoshito Tsushima, Noriyuki Koibuchi
OBJECTIVES: The aim of this study was to examine the effects of perinatal exposure to gadolinium (Gd)-based contrast agents (GBCAs) on the behavior of adulthood offspring. MATERIALS AND METHODS: Pregnant Balb/C mice (n = 5 per group) were intravenously injected with gadoterate meglumine (Magnescope, macrocyclic GBCA), gadodiamide (Omniscan, linear GBCA), or vehicle from pregnancy day 15 to 19, corresponding to embryonic day 15 to 19 of the fetus, at 2 mmol/kg body weight per day...
September 14, 2017: Investigative Radiology
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