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https://www.readbyqxmd.com/read/29145712/cartilage-microrna-dysregulation-during-the-onset-and-progression-of-mouse-osteoarthritis-is-independent-of-aggrecanolysis-and-overlaps-with-candidates-from-end-stage-human-disease
#1
Louise H W Kung, Varshini Ravi, Lynn Rowley, Constanza Angelucci, Amanda J Fosang, Katrina M Bell, Christopher B Little, John F Bateman
OBJECTIVE: To identify candidate microRNAs that potentially regulate the initiation and progression of osteoarthritis. METHODS: Osteoarthritis was induced in 10-12 week old male wild-type C57BL6 mice and in mice resistant to aggrecanase cleavage (Acan p.374ALGS→374NVYS) by destabilization of the medial meniscus (DMM). Osteoarthritis pathology was scored histologically. RNA from cartilage and subchondral bone were harvested in parallel by laser micro-dissection at 1 and 6 weeks post-surgery...
November 16, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29145178/minor-hemisphere-major-syndromes
#2
Antonio Carota, Julien Bogousslavsky
A right "minor hemisphere" does not exist as the right hemisphere is dominant for awareness (nosognosia), spatial attention, emotional regulation, facial and voice expressions, visual recognition, and topographical orientation. Without the right hemisphere, the world would be flat, deprived of general and spatial attentions, pointing preferentially to the right side of the space, lacking visual experiences and emotions, exhibiting diminished awareness of the self and environment. Clinical-related syndromes of the right hemisphere are unilateral spatial neglect, object and face visual agnosia, the anosognosia for hemiparesis and/or hemianopia, misidentification syndromes, mania, and other obsessions for the food and the body...
2018: Frontiers of Neurology and Neuroscience
https://www.readbyqxmd.com/read/29145029/captive-gorillas-manual-laterality-the-impact-of-gestures-manipulators-and-interaction-specificity
#3
Jacques Prieur, Stéphanie Barbu, Catherine Blois-Heulin, Simone Pika
Relationships between humans' manual laterality in non-communicative and communicative functions are still poorly understood. Recently, studies showed that chimpanzees' manual laterality is influenced by functional, interactional and individual factors and their mutual intertwinement. However, what about manual laterality in species living in stable social groups? We tackled this question by studying three groups of captive gorillas (N=35) and analysed their most frequent manual signals: three manipulators and 16 gesture types...
November 13, 2017: Brain and Language
https://www.readbyqxmd.com/read/29144597/melanogenesis-inhibitory-and-cytotoxic-activities-of-chemical-constituents-from-the-leaves-of-sauropus-androgynus-l-merr-euphorbiaceae
#4
Jie Zhang, Wan-Fang Zhu, Wei-Yuan Zhu, Pan Pan Yang, Jian Xu, Jiradej Manosroi, Takashi Kikuchi, Masahiko Abe, Toshihiro Akihisa, Feng Feng
A new steroid, 20-hydroxyisofucosterol (stigmasta-5,24(28)-diene-3β,20β-diol) (7), along with six known compounds 1 - 6 were isolated from the MeOH extract of the leaves of Sauropus androgynus L. Merr. (Euphorbiaceae). The structure of new steroid was determined by HR-APCI-MS and various NMR techniques in combination with literature data. Subsequently, their anti-inflammatory, cytotoxic activities against five human cell lines, as well as inhibitory activities against the α-MSH induced melanogenesis on the B16 cell line were evaluated...
November 16, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/29144569/-11-c-arachidonic-acid-incorporation-measurement-in-human-brain-optimization-for-clinical-use
#5
Francesca Zanderigo, Yeona Kang, Dileep Kumar, Anastasia Nikolopoulou, P David Mozley, Paresh J Kothari, Bin He, David Schlyer, Stanley I Rapoport, Maria A Oquendo, Shankar Vallabhajosula, J John Mann, M Elizabeth Sublette
Arachidonic acid (AA) is involved in signal transduction, neuroinflammation, and production of eicosanoid metabolites. The AA brain incorporation coefficient (K*) is quantifiable in vivo using [(11) C]AA positron emission tomography, although repeatability remains undetermined. We evaluated K* estimates obtained with population-based metabolite correction (PBMC) and image-derived input function (IDIF) in comparison to arterial blood-based estimates, and compared repeatability. Eleven healthy volunteers underwent a [(11) C]AA scan; five repeated the scan 6 weeks later, simulating a pre- and post-treatment study design...
November 16, 2017: Synapse
https://www.readbyqxmd.com/read/29144557/penile-warty-mucoepidermoid-carcinoma-with-features-of-stratified-mucin-producing-intraepithelial-lesion-and-invasive-stratified-mucin-producing-carcinoma
#6
Kenji Yorita, Naoto Kuroda, Takushi Naroda, Masato Tamura, Chisato Ohe, Mukul Divatia, Mahul B Amin, Antonio L Cubilla, Dimitry V Kazakov, Ondrej Hes, Michael Michal, Michal Michal
AIMS: Stratified mucin-producing intraepithelial lesion (SMILE) and invasive stratified mucin-producing carcinoma (ISMC) are recently described cervical and penile lesions. We report an unusual case of mixed variant of penile squamous cell carcinomas with warty, usual and mucoepidermoid SMILE/ISMC features. METHODS AND RESULTS: A 62-year-old Japanese man had a glans penis lesion of one and a half years duration, suggesting malignancy. Partial penectomy and left inguinal lymphadenectomy were performed...
November 16, 2017: Histopathology
https://www.readbyqxmd.com/read/29144546/presence-of-infection-and-analysis-of-hpv-subtypes-in-girls-younger-than-9-years-old-attended-at-a-referral-service-in-esp%C3%A3-rito-santo-brazil
#7
Mariana Penha De Nadai Sartori, Lidiane Pignaton Agostini, Thaís Tristão Tovar, Raquel Silva Dos Reis, Raquel Spinassé Dettogni, Eldamária de Vargas Wolfgramm Dos Santos, Antônio Chambô Filho, Iúri Drumond Louro
PURPOSE: Human papillomavirus is found in adults and adolescents and is associated with genital warts and cervical cancer. However, it has been detected in girls younger than 10 years old. Currently, there are no prevention methods for this age group, since it is not considered a risk group. The aim of this study was to evaluate the presence of infection and HPV subtype in girls under 9 years old attended at a referral service in the State of Espírito Santo, Brazil. METHODS: Forty-three girls younger than 9 years old had gynecological brush samples collected from vulval and perineal/anal regions...
November 16, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/29144544/effects-of-nicotine-on-alcohol-drinking-in-female-mice-selectively-bred-for-high-or-low-alcohol-preference
#8
Marcus M Weera, Molly A Fields, Danielle N Tapp, Nicholas J Grahame, Julia A Chester
BACKGROUND: Studies show that repeated nicotine use associates with high alcohol consumption in humans, and that nicotine exposure sometimes increases alcohol consumption in animal models. However, the relative roles of genetic predisposition to high alcohol consumption, the alcohol drinking patterns, and the timing of nicotine exposure both with respect to alcohol drinking and developmental stage remain unclear. The studies here manipulated all these variables, using mice selectively bred for differences in free-choice alcohol consumption to elucidate the role of genetics and nicotine exposure in alcohol consumption behaviors...
November 16, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/29144032/microrna-106b-overexpression-alleviates-inflammation-injury-of-cardiac-endothelial-cells-by-targeting-blnk-via-the-nf-%C3%AE%C2%BAb-signaling-pathway
#9
Zhe An, Guang Yang, Wei Nie, Jin Ren, Dan Wang
We aim to investigate whether microRNA-106b (miR-106b) affects the inflammation injury of cardiac endothelial cells (ECs) by targeting B-cell linker (BLNK) via the NF-κB signaling pathway. Human cardiac microvascular endothelial cells (HCMECs) were assigned into the control, hypoxia/reoxygenation (H/R), negative control (NC), pyrrolidine dithiocarbamate (PDTC), miR-106b mimic, miR-106b inhibitor, and si-BLNK and miR-106b inhibitor + si-BLNK groups. Quantitative real-time polymerase chain reaction (qRT-PCR) and Western blotting were conducted for miR-106b expression and expressions of BLNK, interleukin (IL)-6, IL-1β, tumor necrosis factor (TNF)-α, NF-κB, pIκBα, BTK, and PLC-γ2...
November 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29143997/epidermal-neural-crest-stem-cell-derived-glia-enhance-neurotrophic-elements-in-an-ex-vivo-model-of-spinal-cord-injury
#10
Sareh Pandamooz, Mohammad Saied Salehi, Mohammad Ismail Zibaii, Abolhassan Ahmadiani, Mohammad Nabiuni, Leila Dargahi
Growing evidence that cell-based therapies can improve recovery outcome in spinal cord injury (SCI) models substantiates their application for treatment of human with SCI. To address the effectiveness of these stem cells, potential candidates should be evaluated in proper SCI platform that allows direct real-time monitoring. In this study, the role of epidermal neural crest stem cells (EPI-NCSCs) was elucidated in an ex vivo model of SCI and valproic acid (VPA) was administered to ameliorate the inhospitable context of injury for grafted EPI-NCSCs...
November 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29143994/intermittent-compressive-force-induces-human-mandibular-derived-osteoblast-differentiation-via-wnt-%C3%AE-catenin-signaling
#11
Pimrumpai Rochanakit Sindhavajiva, Panunn Sastravaha, Mansuang Arksornnukit, Prasit Pavasant
Mechanical force induces an efflux of ATP that regulates osteoblast differentiation. However, the effect of mechanical force-induced ATP efflux on WNT/β-catenin signaling remains unclarified. The aim of this study was to investigate the effect of intermittent compressive force (ICF) and ICF-induced extracellular ATP on osteoblast differentiation via WNT/β-catenin signaling in human mandibular-derived osteoblast precursors (hMOBPs). The hMOBPs were subjected to ICF (1.5 g/cm(2) , 0.3 Hz) for 20 h. To investigate the role of ATP, Apyrase (0...
November 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29143982/tweak-fn14-interaction-induces-proliferation-and-migration-in-human-airway-smooth-muscle-cells-via-activating-the-nf-%C3%AE%C2%BAb-pathway
#12
Cuimin Zhu, Leguo Zhang, Zhiming Liu, Chen Li, Yajie Bai
Asthma, an increasingly common chronic disease among children, are characterized by airway remodeling, which is partly attributed to the proliferation and migration of airway smooth muscle cell (ASMC). The purpose of the present study was to investigate potential roles and mechanisms of the tumor necrosis factor-like weak inducer of apoptosis (TWEAK)/fibroblast growth factor-inducible molecule 14 (Fn14) axis on cell proliferation and migration in HASMCs. Compared to HASMCs from non-asthmatic patients, those from asthmatic patients showed elevated expression levels of both Fn14 and TWEAK...
November 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29143969/the-molecular-basis-of-cytotoxicity-of-%C3%AE-spinasterol-from-ganoderma-resinaceum-induction-of-apoptosis-and-overexpression-of-p53-in-breast-and-ovarian-cancer-cell-lines
#13
Nada K Sedky, Zaynab El Gammal, Amir E Wahba, Eman Mosad, Zahraa Y Waly, Amira Ali El-Fallal, Reem K Arafa, Nagwa El-Badri
OBJECTIVES: Despite advances in therapy of breast and ovarian cancers, they still remain among the most imperative causes of cancer death in women. The first can be considered one of the most widespread diseases among females, while the latter is more lethal and needs prompt treatment. Thus, the research field can still benefit from discovery of new compounds that can be of potential use in management of these grave illnesses. We hereby aimed to assess the antitumor activity of the phytosterol α-spinasterol isolated from Ganoderma resinaceum mushroom on human breast cancer cell lines (MCF-7, MDA-MB-231), as well as, on human ovarian cancer cell line (SKOV-3)...
November 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29143702/association-between-altered-neurochemical-metabolites-and-apathy-in-patients-with-alzheimer-s-disease
#14
Yi-Chun Yeh, Chun-Wei Li, Yu-Ting Kuo, Mei-Feng Huang, Tai-Ling Liu, Twei-Shiun Jaw, Yi-Hsin Yang, Kuang-Che Kuo, Cheng-Sheng Chen
BACKGROUND: Apathy is a condition characterized by a lack of motivation that manifests in emotional, behavioral, and cognitive domains. Although previous studies have indicated that apathy is associated with frontal lesions, few studies have focused on the different subdomains of apathy, and no in vivo human biochemical data have been obtained to examine the neurochemical changes related to apathy in patients with Alzheimer's disease (AD). Thus, we investigated the frontal neurochemical alterations related to apathy among patients with AD using proton magnetic resonance spectroscopy (1H MRS)...
November 16, 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/29143674/the-role-of-human-rights-litigation-in-improving-access-to-reproductive-health-care-and-achieving-reductions-in-maternal-mortality
#15
Jennifer Templeton Dunn, Katherine Lesyna, Anna Zaret
BACKGROUND: Improving maternal health, reducing global maternal mortality, and working toward universal access to reproductive health care are global priorities for United Nations agencies, national governments, and civil society organizations. Human rights lawyers have joined this global movement, using international law and domestic constitutions to hold nations accountable for preventable maternal death and for failing to provide access to reproductive health care services. CASE PRESENTATION: This article discusses three decisions in which international treaty bodies find the nations of Brazil and Peru responsible for violations of the Convention on the Elimination of All Forms of Discrimination Against Women and the International Covenant on Civil and Political Rights and also two domestic decisions alleging constitutional violations in India and Uganda...
November 8, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29143564/advancing-the-human-rights-of-children-with-communication-needs-in-school
#16
Aoife L Gallagher, Haley Tancredi, Linda J Graham
Article 19 of the Universal Declaration of Human Rights states that everyone has the right to freedom of opinion and expression. However, due to difficulties in communicating, children with speech, language and communication needs (SLCN) are at particular risk of not being heard. Although it is recommended that children with SLCN can and should be actively involved as equal partners in decision-making about their communication needs, speech-language pathologists (SLPs) can lose sight of the importance of supporting communication as a tool for the child to shape and influence choices available to them in their lives...
November 16, 2017: International Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/29143561/beyond-lip-service-towards-human-rights-driven-our-speech-language-pathology-guidelines-for-south-african-speech-language-pathologists
#17
Michelle Pascoe, Daleen Klop, Thandeka Mdlalo, Mikateko Ndhambi
Developed with a strong awareness of past injustices, South Africa's progressive constitution emphasises a full spectrum of human rights. While the constitution celebrates many languages and cultures, speech-language pathologists (SLPs) face challenges in translating these values into practice with a diverse clientele. Similarly, Article 19 of the Universal Declaration of Human Rights focuses on freedom of expression in one's language of choice, but is often perceived as a "Cinderella" right (i.e. one that is frequently neglected)...
November 16, 2017: International Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/29143547/from-individual-to-global-human-rights-and-aphasia
#18
Deborah Hersh
This commentary marks the 70th anniversary of the Universal Declaration of Human Rights by examining Article 19 and its application to people with aphasia. This group of people still face lack of access, stigmatisation, exclusion, disadvantage and social withdrawal as well as poor public awareness of aphasia and inadequate prioritisation of support and resources. Nevertheless, a range of creative initiatives at individual, healthcare, local community, national and global levels have helped to connect and empower people with aphasia...
November 16, 2017: International Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/29143459/the-spatial-patterning-of-rgd-and-bmp-2-mimetic-peptides-at-the-subcellular-scale-modulates-human-mesenchymal-stem-cells-osteogenesis
#19
I Bilem, L Plawinski, P Chevallier, C Ayela, E D Sone, G Laroche, M C Durrieu
Engineering artificial extracellular matrices (ECMs), based on the biomimicry of the spatial distribution of proteins and growth factors within their native microenvironment, is of great importance for understanding mechanisms of bone tissue regeneration. Herein, photolithography is used to decorate glass surfaces with subcellular patterns of RGD and BMP-2 ligands; two mimetic peptides recognized to be involved in stem cells osteogenesis. The biological relevance of well-defined RGD and BMP-2 patterned surfaces is evaluated by investigating the differentiation of human mesenchymal stem cells (hMSCs) into osteoblasts, in the absence of induction media...
November 16, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29143455/understanding-the-functional-role-of-microrna-214-3p-in-atherosclerosis-for-the-identification-of-novel-targeted-therapies-to-prevent-or-reverse-endothelial-cell-dysfunction-and-stimulate-autophagy
#20
EDITORIAL
Adriana Georgescu
The original article by Jing Wang and collaborators, entitled "MicroRNA-214-3p: A Link between Autophagy and Endothelial Cell Dysfunction in Atherosclerosis", brings new data concerning molecular mechanisms linking decreased autophagy to endothelial dysfunction in atherosclerosis. In this issue of Acta Physiologica, the authors concluded that microRNA-214-3p (miR-214-3p) controls oxidized low-density lipoprotein (ox-LDL)-induced autophagy in human umbilical vein endothelial cells (HUVECs) by regulating intracellular levels of autophagy-related protein 5 (ATG5), and may have a relevant role in the pathogenesis of atherosclerosis...
November 16, 2017: Acta Physiologica
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