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https://www.readbyqxmd.com/read/28227802/developing-a-one-channel-bci-system-using-a-dry-claw-like-electrode
#1
Xuhong Guo, Weihua Pei, Yijun Wang, Qiang Gui, He Zhang, Xiao Xing, Yong Huang, Hongda Chen, Ruicong Liu, Yuanyuan Liu, Xuhong Guo, Weihua Pei, Yijun Wang, Qiang Gui, He Zhang, Xiao Xing, Yong Huang, Hongda Chen, Ruicong Liu, Yuanyuan Liu, Hongda Chen, Yijun Wang, Weihua Pei, Yuanyuan Liu, Ruicong Liu, He Zhang, Qiang Gui, Xuhong Guo, Yong Huang, Xiao Xing
An eight-class SSVEP-based BCI system was designed and demonstrated in this study. To minimize the complexity of the traditional equipment and operation, only one work electrode was used. The work electrode was fabricated in our laboratory and designed as a claw-like structure with a diameter of 15 mm, featuring 8 small fingers of 4mm length and 2 mm diameter, and the weight was only 0.1g. The structure and elasticity can help the fingers pass through the hair and contact the scalp when placed on head. The electrode was capable to collect evoked brain activities such as steady-state visual evoked potentials (SSVEPs)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226316/clinical-evidence-of-increase-in-hair-growth-and-decrease-in-hair-loss-without-adverse-reactions-promoted-by-the-commercial-lotion-ecohair%C3%A2
#2
María Rosario Alonso, Claudia Anesini
BACKGROUND/AIMS: Hair exerts protection, sensory functions, thermoregulation, and sexual attractiveness. Hair loss (alopecia) is caused by several diseases, drug intake, hormone imbalance, stress, and infections (Malassesia furfur). Drugs usually used in alopecia produce irreversible systemic and local side effects. An association of extracts of Coffea arabica and Larrea divaricata (ECOHAIR®) is successfully being commercialized in Argentina for hair growth. The aim of this study was to provide scientific support for the efficacy and innocuousness of ECOHAIR® in patients with noncicatricial alopecia during a 3-month treatment...
February 23, 2017: Skin Pharmacology and Physiology
https://www.readbyqxmd.com/read/28225970/trichotillomania-a-case-report-with-clinical-and-dermatoscopic-differential-diagnosis-with-alopecia-areata
#3
Ana Cecília Versiani Duarte Pinto, Tatiana Cristina Pedro Cordeiro de Andrade, Fernanda Freitas de Brito, Gardênia Viana da Silva, Maria Lopes Lamenha Lins Cavalcante, Antonio Carlos Ceribelli Martelli
Trichotillomania is a psychodermatologic disorder characterized by uncontrollable urge to pull one's own hair. Differential diagnoses include the most common forms of alopecia such as alopecia areata. It is usually associated with depression and obsessive-compulsive disorder. Trichotillomania treatment standardization is a gap in the medical literature. Recent studies demonstrated the efficacy of N-acetylcysteine (a glutamate modulator) for the treatment of the disease. We report the clinical case of a 12-year-old female patient who received the initial diagnosis of alopecia areata, but presented with clinical and dermoscopic features of trichotillomania...
January 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28225954/frequency-severity-and-related-factors-of-androgenetic-alopecia-in-dermatology-outpatient-clinic-hospital-based-cross-sectional-study-in-turkey
#4
Kubra Esen Salman, Ilknur Kivanc Altunay, Nihal Asli Kucukunal, Asli Aksu Cerman
BACKGROUND: Androgenetic alopecia (AGA) is a patterned hair loss occurring due to systemic androgen and genetic factors. It is the most common cause of hair loss in both genders. In recent years, many studies investigating the relation between systemic diseases and androgenetic alopecia presented controversial results. OBJECTIVES: In this study we aimed to investigate the frequency of androgenetic alopecia, the presence of accompanying systemic diseases, the relation between body mass index and androgenetic alopecia severity and the association of hyperandrogenemia signs with androgenetic alopecia in patients who referred to our outpatient clinic...
January 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28225874/experimental-burns-comparison-between-silver-sulfadiazine-and-photobiomodulation
#5
Mariana Teixeira Gomes, Gabriela Russo Soeiro Campos, Natália Piccolo, Cristiane Miranda França, Guelton Hirano Guedes, Fabio Lopes, Renata A Belotto, Christiane Pavani, Rafael do Nascimento de Lima, Daniela de Fátima Teixeira da Silva
OBJECTIVE: To analyze morphological characteristics and organization of the collagen fibers of third degree burns from scalding compared to laser therapy and silver sulfadiazine, the latter considered as the gold standard. METHOD: Were selected 12 animals (Rattus norvegicus) also divided into three groups (control group [CG] - untreated burns; sulfadiazine group [SG] - burns were treated with silver sulfadiazine at 1%; laser group [LG] - burns were treated with photobiomodulation)...
January 1, 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28225734/auditory-performance-and-electrical-stimulation-measures-in-cochlear-implant-recipients-with-auditory-neuropathy-compared-with-severe-to-profound-sensorineural-hearing-loss
#6
Joseph Attias, Tally Greenstein, Miriam Peled, David Ulanovski, Jay Wohlgelernter, Eyal Raveh
OBJECTIVES: The aim of the study was to compare auditory and speech outcomes and electrical parameters on average 8 years after cochlear implantation between children with isolated auditory neuropathy (AN) and children with sensorineural hearing loss (SNHL). DESIGN: The study was conducted at a tertiary, university-affiliated pediatric medical center. The cohort included 16 patients with isolated AN with current age of 5 to 12.2 years who had been using a cochlear implant for at least 3...
March 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28225553/correlations-among-mercury-concentration-and-stable-isotope-ratios-of-carbon-and-nitrogen-of-amino-acids-in-scalp-hair-from-whale-meat-eaters-and-heavy-fish-eaters
#7
Tetsuya Endo, Hideki Ogasawara, Moriaki Hayasaka, Yohei Hotta, Osamu Kimura, Klaus J Petzke
RATIONALE: As Hg accumulation in marine animals generally increases with increased trophic level (δ(15) N values) through the food web, predators accumulate higher levels of Hg. The main source of human Hg intake is the consumption of fish and other marine animals, and Hg concentration in scalp hair is the preferred marker for evaluating consumption of marine animals. Difference of δ(15) N values between trophic and source amino acids of human consumers could enable us to estimate the trophic level of consumer without knowing the bulk δ(15) N value of their prey...
February 22, 2017: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/28224282/micrornas-effective-elements-in-ear-related-diseases-and-hearing-loss
#8
REVIEW
Mohammad-Reza Mahmoudian-Sani, Ameneh Mehri-Ghahfarrokhi, Fereshteh Ahmadinejad, Morteza Hashemzadeh-Chaleshtori, Massoud Saidijam, Mohammad-Saeid Jami
miRNAs are important factors for post-transcriptional process that controls gene expression at mRNA level. Various biological processes, including growth and differentiation, are regulated by miRNAs. miRNAs have been demonstrated to play an essential role in development and progression of hearing loss. Nowadays, miRNAs are known as critical factors involved in different physiological, biological, and pathological processes, such as gene expression, progressive sensorineural hearing loss, age-related hearing loss, noise-induced hearing loss, cholesteatoma, schwannomas, and inner ear inflammation...
February 21, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28223936/two-pore-channels-catalyzers-of-endolysosomal-transport-and-function
#9
REVIEW
Christian Grimm, Cheng-Chang Chen, Christian Wahl-Schott, Martin Biel
Two-pore channels (TPCs) have recently emerged as a novel class of non-selective cation channels in the endolysosomal system. There are two members in the human genome, TPC1 and TPC2. Studies with TPC knockout and knockdown models have revealed that these channels participate in the regulation of multiple endolysosomal trafficking pathways which when dysregulated can lead to or influence the development of a range of different diseases such as lysosomal storage, metabolic, or infectious diseases. TPCs have been demonstrated to be activated by different endogenous stimuli, PI(3,5)P2 and NAADP, and ATP has been found to block TPC activation via mTOR...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28223757/attenuation-of-dickkopf-1-induced-hair-growth-inhibition-in-cultured-human-hair-follicles-by-tianeptine
#10
Hyun Sik Jeong, Mi Hee Kwack, Moon Kyu Kim, Jung Chul Kim, Young Kwan Sung
No abstract text is available yet for this article.
February 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28223741/changing-in-the-epidemiology-of-tinea-capitis-among-school-children-in-egypt
#11
Rasha H Bassyouni, Naglaa A El-Sherbiny, Talal A Abd El Raheem, Basma H Mohammed
BACKGROUND: Tinea capitis remains a prevalent health problem among school-aged children. OBJECTIVE: To estimate the prevalence of tinea capitis among primary school students, in Fayoum, Egypt with identification of etiological agents in both public and private primary schools. METHODS: A cross-sectional study was conducted in twelve primary schools. The students were selected from different grades with a total number of 12,128 students. Hair and scalp were clinically examined for any lesions that may suspect tinea capitis and mycological samples were collected for direct microscopy and culture...
February 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28223417/papers-of-note-in-science355-6326
#12
Annalisa M VanHook
This week's articles identify a requirement for lipid transport between the endoplasmic reticulum and plasma membrane in insulin release, a mechanism in which contact with a host cell reprograms bacterial gene expression, a signal from a soybean pathogen that impairs soybean's defense response, and a mechanism by which hair follicles may be leveraged to reduce scar formation.
February 21, 2017: Science Signaling
https://www.readbyqxmd.com/read/28223157/dose-dependent-cochlear-and-vestibular-toxicity-of-trans-tympanic-cisplatin-in-the-rat
#13
Angela Callejo, Amandine Durochat, Stéphanie Bressieux, Aurélie Saleur, Christian Chabbert, Ivan Domènech Juan, Jordi Llorens, Sophie Gaboyard-Niay
In vivo studies are needed to study cisplatin ototoxicity and to evaluate candidate protective treatments. Rats and mice are the preferred species for toxicological and pharmacological pre-clinical research, but systemic administration of cisplatin causes high morbidity in these species. We hypothesized that trans-tympanic administration of cisplatin would provide a good model for studying its auditory and vestibular toxicity in the rat. Cisplatin was administered by the trans-tympanic route in one ear (50μl, 0...
February 13, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28222835/clinical-assessment-of-urinary-tract-damage-during-sustained-release-estrogen-supplementation-in-mice
#14
Dalis E Collins, Kathleen R Mulka, Mark J Hoenerhoff, Russell S Taichman, Jason S Villano
Estrogen supplementation is a key component of numerous mouse research models but can adversely affect the urinary system. The goal of this study was to develop a clinical scoring system and identify biomarkers of occult urinary tract lesions prior to the development of systemic illness in mice. Ovariectomized or sham-surgery SCID mice were implanted subcutaneously with a placebo pellet or one containing sustained-release estradiol (0.18 mg 60-d release 17β-estradiol). Mice were assessed twice weekly for 4 to 6 wk by using a clinical scoring system that included body condition, general activity, posture, hair coat, hydration, abdominal distension, urine staining of coat and skin, and ability to urinate...
February 1, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28222337/assessment-of-dental-plaque-coverage-by-quantitative-light-induced-fluorescence-qlf-in-domestic-short-haired-cats
#15
Zoe V Marshall-Jones, Corrin V Wallis, Judi M Allsopp, Alison Colyer, Ian J Davis, Lucy J Holcombe
Dietary means of reducing plaque and calculus deposits are frequently sought for the maintenance of oral health in cats and dogs. In the development of such products sensitive, reliable, reproducible methods of measuring plaque and calculus are key. The aim of this study was to assess Quantitative Light-induced Fluorescence (QLF™) for the detection of dental plaque coverage in cats compared to the modified Logan and Boyce technique. The techniques were utilised in a crossover study, which compared two diets for their effect on plaque deposition in a cohort of 24 adult cats...
February 10, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28221183/the-effect-of-plasma-rich-in-growth-factors-on-pattern-hair-loss-a-pilot-study
#16
Eduardo Anitua, Ander Pino, Nahikari Martinez, Gorka Orive, Daniel Berridi
BACKGROUND: Autologous growth factors have proved to promote tissue regeneration in various medical fields. Recent findings suggest that platelet rich plasma may also play an important role in hair follicle restoration. OBJECTIVE: The objective of this study was to evaluate the safety and clinical efficacy of plasma rich in growth factors (PRGFs) for the treatment of androgenetic alopecia (AGA). MATERIALS AND METHODS: Five PRGF injections were administered over 19 patients with AGA...
February 17, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28220862/induction-of-hair-follicle-dermal-papilla-cell-properties-in-human-induced-pluripotent-stem-cell-derived-multipotent-lngfr-thy-1-mesenchymal-cells
#17
Ophelia Veraitch, Yo Mabuchi, Yumi Matsuzaki, Takashi Sasaki, Hironobu Okuno, Aki Tsukashima, Masayuki Amagai, Hideyuki Okano, Manabu Ohyama
The dermal papilla (DP) is a specialised mesenchymal component of the hair follicle (HF) that plays key roles in HF morphogenesis and regeneration. Current technical difficulties in preparing trichogenic human DP cells could be overcome by the use of highly proliferative and plastic human induced pluripotent stem cells (hiPSCs). In this study, hiPSCs were differentiated into induced mesenchymal cells (iMCs) with a bone marrow stromal cell phenotype. A highly proliferative and plastic LNGFR(+)THY-1(+) subset of iMCs was subsequently programmed using retinoic acid and DP cell activating culture medium to acquire DP properties...
February 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28220837/a-novel-role-of-the-organizer-gene-goosecoid-as-an-inhibitor-of-wnt-pcp-mediated-convergent-extension-in-xenopus-and-mouse
#18
Bärbel Ulmer, Melanie Tingler, Sabrina Kurz, Markus Maerker, Philipp Andre, Dina Mönch, Marina Campione, Kirsten Deißler, Mark Lewandoski, Thomas Thumberger, Axel Schweickert, Abraham Fainsod, Herbert Steinbeißer, Martin Blum
Goosecoid (Gsc) expression marks the primary embryonic organizer in vertebrates and beyond. While functions have been assigned during later embryogenesis, the role of Gsc in the organizer has remained enigmatic. Using conditional gain-of-function approaches in Xenopus and mouse to maintain Gsc expression in the organizer and along the axial midline, neural tube closure defects (NTDs) arose and dorsal extension was compromised. Both phenotypes represent convergent extension (CE) defects, arising from impaired Wnt/planar cell polarity (PCP) signaling...
February 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28220769/a-connexin30-mutation-rescues-hearing-and-reveals-roles-for-gap-junctions-in-cochlear-amplification-and-micromechanics
#19
Victoria A Lukashkina, Snezana Levic, Andrei N Lukashkin, Nicola Strenzke, Ian J Russell
Accelerated age-related hearing loss disrupts high-frequency hearing in inbred CD-1 mice. The p.Ala88Val (A88V) mutation in the gene coding for the gap-junction protein connexin30 (Cx30) protects the cochlear basal turn of adult CD-1Cx30(A88V/A88V) mice from degeneration and rescues hearing. Here we report that the passive compliance of the cochlear partition and active frequency tuning of the basilar membrane are enhanced in the cochleae of CD-1Cx30(A88V/A88V) compared to CBA/J mice with sensitive high-frequency hearing, suggesting that gap junctions contribute to passive cochlear mechanics and energy distribution in the active cochlea...
February 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/28220505/fractional-microplasma-radiofrequency-technology-for-non-hypertrophic-post-burn-scars-in-asians-a-prospective-study-of-95-patients
#20
Shen Wang, Jing Mi, Qingfeng Li, Rui Jin, Jiying Dong
BACKGROUND: Laser and other energy devices are emerging, minimally invasive treatments for scars. Among the various techniques, fractional microplasma radiofrequency technology (FMRT) has proven to be an effective treatment option for various types of scars and skin conditions such as rhytids, striae distensae, and hyperpigmentation. OBJECTIVE: This prospective clinical trial was designed to evaluate the efficacy and safety of FMRT for treating non-hypertrophic post-burn scars in the Asian population...
February 20, 2017: Lasers in Surgery and Medicine
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