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https://www.readbyqxmd.com/read/28729419/the-exocyst-is-required-for-photoreceptor-ciliogenesis-and-retinal-development
#1
Glenn P Lobo, Diana Fulmer, Lilong Guo, Xiaofeng Zuo, Yujing Dang, Seok-Hyung Kim, Yanhui Su, Kola George, Elisabeth Obert, Ben Fogelgren, Deepak Nihalani, Russell A Norris, Bärbel Rohrer, Joshua H Lipschutz
We previously have shown that the highly-conserved eight-protein exocyst trafficking complex is required for ciliogenesis in kidney tubule cells. We hypothesized here that ciliogenic programs are conserved across organs and species. To determine if renal primary ciliogenic programs are conserved in the eye, and to characterize the function and mechanisms by which the exocyst regulates eye development in zebrafish, we focused on exoc5, a central component of the exocyst complex, by analyzing both exoc5 zebrafish mutants, and photoreceptor-specific Exoc5 knockout mice...
July 20, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28728310/the-effect-of-h2-receptor-antagonist-in-acid-inhibition-and-its-clinical-efficacy
#2
REVIEW
Young Kwang Shim, Nayoung Kim
The first histamine H2 receptor antagonists (H2RAs) were developed in the early 1970s. They played a dominant role in treating peptic ulcer disease and gastroesophageal reflux disease (GERD). H2RAs block the production of acid by H(+), K(+)-ATPase at the parietal cells and produce gastric luminal anacidity for varying periods. H2RAs are highly selective, and they do not affect H1 receptors. Moreover, they are not anticholinergic agents. Sequential development of H2RAs, proton pump inhibitors (PPIs), and discovery of Helicobacter pylori infection changed the paradigm of peptic ulcer disease with marked decrease of morbidity and mortality...
July 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28728285/-prevalence-and-surgery-status-of-cataract-among-adults-aged-60-years-or-above-in-two-villages-of-nantong
#3
J Zhou, Y Yuan, X Zhang, M Yang, H J Guan
Objective: To assess the prevalence, surgical coverage rate and social burden rate of cataract blindness among adults aged ≥60 years in the suburban population of Nantong, Jiangsu, China. Methods: It was a population-based cross-section study. A census with individuals aged ≥60 years was conducted in two villages of the suburb area in Nantong from June to August, 2008. A total of 1 305 individuals received visual acuity and eye examinations. Lens and cataract operative status were evaluated by slit-lamp biomicroscopy...
July 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28728000/tailor-made-purified-human-platelet-lysate-concentrated-in-neurotrophins-for-treatment-of-parkinson-s-disease
#4
Ming-Li Chou, Joe-Wei Wu, Flore Gouel, Aurélie Jonneaux, Kelly Tillerman, Ting-Yi Renn, Charlotte Laloux, Hung-Ming Chang, Liang-Tzung Lin, Jean-Christophe Devedjian, David Devos, Thierry Burnouf
Human platelet lysates (PLs), which contain multiple neurotrophins, have been proposed for treating neurodegenerative disorders, including Parkinson's disease (PD). However, current PLs suspended in plasma have high protein content and contain fibrinogen/fibrin and, following activation, also proteolytic and thrombogenic enzymes. Upon brain administration, such PLs may saturate the cerebrospinal fluid and exert neurotoxicity. We assessed whether purified PLs, concentrated in neurotrophins, protected dopaminergic neurons in PD models...
July 12, 2017: Biomaterials
https://www.readbyqxmd.com/read/28724748/depressed-synaptic-transmission-and-reduced-vesicle-release-sites-in-huntington-s-disease-neuromuscular-junctions
#5
Ahmad Khedraki, Eric J Reed, Shannon H Romer, Qingbo Wang, William Romine, Mark M Rich, Robert J Talmadge, Andrew A Voss
Huntington's disease (HD) is a progressive and fatal degenerative disorder that results in debilitating cognitive and motor dysfunction. Most HD studies have focused on degeneration of the central nervous system. We previously discovered that skeletal muscle from transgenic R6/2 HD mice is hyperexcitable due to decreased chloride and potassium conductances. The progressive and early onset of these defects suggest a primary myopathy in HD. In this study, we examined the relationship between neuromuscular transmission and skeletal muscle hyperexcitability...
July 19, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28723759/determining-the-relationship-of-kinesiophobia-with-respiratory-functions-and-functional-capacity-in-ankylosing-spondylitis
#6
Göktuğ Er, Ender AngIn
Ankylosing spondylitis (AS) is a common inflammatory rheumatic disease that affects the axial skeleton, causes inflammatory lower back pain, and structural and functional disorders, which affect quality of life negatively.The purpose of this study is to investigate the effects of kinesiophobia in AS on pulmonary function tests (PFTs) and functional performance.Thirty-one individuals with AS (n = 19 male, n = 12 female) who were suitable on the basis of the Modified New York (MNY) criteria were included in the study...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28723562/integrative-genomics-identifies-the-molecular-basis-of-resistance-to-azacitidine-therapy-in-myelodysplastic-syndromes
#7
Ashwin Unnikrishnan, Elli Papaemmanuil, Dominik Beck, Nandan P Deshpande, Arjun Verma, Ashu Kumari, Petter S Woll, Laura A Richards, Kathy Knezevic, Vashe Chandrakanthan, Julie A I Thoms, Melinda L Tursky, Yizhou Huang, Zara Ali, Jake Olivier, Sally Galbraith, Austin G Kulasekararaj, Magnus Tobiasson, Mohsen Karimi, Andrea Pellagatti, Susan R Wilson, Robert Lindeman, Boris Young, Raj Ramakrishna, Christopher Arthur, Richard Stark, Philip Crispin, Jennifer Curnow, Pauline Warburton, Fernando Roncolato, Jacqueline Boultwood, Kevin Lynch, Sten Eirik W Jacobsen, Ghulam J Mufti, Eva Hellstrom-Lindberg, Marc R Wilkins, Karen L MacKenzie, Jason W H Wong, Peter J Campbell, John E Pimanda
Myelodysplastic syndromes and chronic myelomonocytic leukemia are blood disorders characterized by ineffective hematopoiesis and progressive marrow failure that can transform into acute leukemia. The DNA methyltransferase inhibitor 5-azacytidine (AZA) is the most effective pharmacological option, but only ∼50% of patients respond. A response only manifests after many months of treatment and is transient. The reasons underlying AZA resistance are unknown, and few alternatives exist for non-responders. Here, we show that AZA responders have more hematopoietic progenitor cells (HPCs) in the cell cycle...
July 18, 2017: Cell Reports
https://www.readbyqxmd.com/read/28721130/premature-ovarian-failure
#8
REVIEW
Katarzyna Jankowska
Premature ovarian failure (POF) is the term usually used to describe women aged younger than 40 years, who present with amenorrhoea, hypergonadotropic hypogonadism, and infertility. POF is a devastating diagnosis for reproductive-aged women. The clinical presentation is diverse, and several different disorders can lead to premature ovarian failure. POF has serious health consequences, including psychological distress, infertility, osteoporosis, autoimmune disorders, ischaemic heart disease, and increased risk of mortality...
June 2017: Przeglad Menopauzalny, Menopause Review
https://www.readbyqxmd.com/read/28718283/disordered-linker-in-p53-participates-in-non-specific-binding-to-and-1d-sliding-along-dna-revealed-by-single-molecule-fluorescence-measurements
#9
Dwiky Rendra Graha Subekti, Agato Murata, Yuji Itoh, Satoshi Fukuchi, Hiroto Takahashi, Saori Kanbayashi, Satoshi Takahashi, Kiyoto Kamagata
The tumor suppressor p53 is a multidomain transcription factor that can quickly bind to its target DNA by sliding along the DNA strand. We hypothesized that the intrinsically disordered and positively charged linker of p53 regulates its search dynamics first by directly interacting with DNA and second by modulating hopping of the core domain. To test the two hypotheses, we prepared five variants of p53 in which the length and charge of the linker were modulated. Affinity to and sliding along non-specific DNA of p53 were altered by the charge of the linker, but not by the linker length...
July 18, 2017: Biochemistry
https://www.readbyqxmd.com/read/28716827/galectin-1-driven-tolerogenic-programs-aggravate-yersinia-enterocolitica-infection-by-repressing-antibacterial-immunity
#10
Roberto C Davicino, Santiago P Méndez-Huergo, Ricardo J Eliçabe, Juan C Stupirski, Ingo Autenrieth, María S Di Genaro, Gabriel A Rabinovich
Yersinia enterocolitica is an enteropathogenic bacterium that causes gastrointestinal disorders, as well as extraintestinal manifestations. To subvert the host's immune response, Y. enterocolitica uses a type III secretion system consisting of an injectisome and effector proteins, called Yersinia outer proteins (Yops), that modulate activation, signaling, and survival of immune cells. In this article, we show that galectin-1 (Gal-1), an immunoregulatory lectin widely expressed in mucosal tissues, contributes to Y...
July 17, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28715425/elimination-of-huntingtin-in-the-adult-mouse-leads-to-progressive-behavioral-deficits-bilateral-thalamic-calcification-and-altered-brain-iron-homeostasis
#11
Paula Dietrich, Irudayam Maria Johnson, Shanta Alli, Ioannis Dragatsis
Huntington's Disease (HD) is an autosomal dominant progressive neurodegenerative disorder characterized by cognitive, behavioral and motor dysfunctions. HD is caused by a CAG repeat expansion in exon 1 of the HD gene that is translated into an expanded polyglutamine tract in the encoded protein, huntingtin (HTT). While the most significant neuropathology of HD occurs in the striatum, other brain regions are also affected and play an important role in HD pathology. To date there is no cure for HD, and recently strategies aiming at silencing HTT expression have been initiated as possible therapeutics for HD...
July 17, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28714205/photothermal-ring-integrated-intraocular-lens-for-high-efficient-eye-disease-treatment
#12
Yao-Xin Lin, Xue-Feng Hu, Yang Zhao, Yu-Juan Gao, Chao Yang, Sheng-Lin Qiao, Yi Wang, Pei-Pei Yang, Jiao Yan, Xin-Ce Sui, Zeng-Ying Qiao, Li-Li Li, Jiang-Bing Xie, Si-Quan Zhu, Xiao-Chun Wu, Yongsheng Li, Lei Wang, Hao Wang
Posterior capsule opacification (PCO) is the most common complication after cataract surgery. So far, the only method for PCO treatment is the precisely focused laser surgery. However, it causes severe complications such as physical damages and neuron impairments. Here, a nanostructured photothermal ring integrated intraocular lens (Nano-IOLs) is reported, in which the rim of commercially available IOLs (C-IOLs) is decorated with silica coated Au nanorods (Au@SiO2 ), for high-efficient prevention of PCO after cataract surgery...
July 17, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28713084/evalution-of-the-effectiveness-of-multimodal-approach-to-the-management-of-cervical-vertigo
#13
Olexandr A Jaroshevskyi, Oleksandr S Payenok, Anna V Logvinenko
INTRODUCTION: Vertigo is one of the most common complaints among patients consulting neurologists and general practitioners - family medicine. A special form of dizziness is cervical vertigo. However, the presence of chronic vertigo and imbalance in this group of patients makes it possible to include the treatment of vestibular rehabilitation in the program. AIM: Evalution of the effectiveness of multimodal approach to the management of cervical vertigo. MATERIAL AND METHODS: 109 patients aged from 18 to 45 with vertigo together with myofascial pain syndrome of neck and shoulder area were examined...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28712371/visual-systemizing-preference-in-children-with-autism-a-randomized-controlled-trial-of-intranasal-oxytocin
#14
Lane Strathearn, Sohye Kim, D Anthony Bastian, Jennifer Jung, Udita Iyengar, Sheila Martinez, Robin P Goin-Kochel, Peter Fonagy
Several studies have suggested that the neuropeptide oxytocin may enhance aspects of social communication in autism. Little is known, however, about its effects on nonsocial manifestations, such as restricted interests and repetitive behaviors. In the empathizing-systemizing theory of autism, social deficits are described along the continuum of empathizing ability, whereas nonsocial aspects are characterized in terms of an increased preference for patterned or rule-based systems, called systemizing. We therefore developed an automated eye-tracking task to test whether children and adolescents with autism spectrum disorder (ASD) compared to matched controls display a visual preference for more highly organized and structured (systemized) real-life images...
July 17, 2017: Development and Psychopathology
https://www.readbyqxmd.com/read/28711514/polycystic-ovarian-syndrome-associated-cardiovascular-complications-an-overview-of-the-association-between-the-biochemical-markers-and-potential-strategies-for-their-prevention-and-elimination
#15
REVIEW
B S Nayaker, Sowmya Thomas, Sandhiya Ramachandran, Swetha Loganathan, Meenakshi Sundari, Kanchana Mala
Polycystic ovarian syndrome (PCOS) is associated with multiple cardiovascular risk factors (CVRF) including endothelial dysfunction (ED) and presence of metabolic syndrome (MS). The probable reason suggested for elevated CVRF in PCOS is oxidative stress (OS), which is an integral factor in cardiometabolic complications (CMC) seen in PCOS women. The interrelated mechanisms by which CVRF instigate clinical manifestation plays a crucial role in identification of a strategy to treat different comorbidities in PCOS...
July 8, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28701904/medical-and-behavioral-approaches-to-engage-people-who-inject-drugs-into-care-for-hepatitis-c-virus-infection
#16
Stevan A Gonzalez, Daniel S Fierer, Andrew H Talal
Direct-acting antivirals for hepatitis C virus infection may revolutionize treatment among persons with substance use disorders. Despite persons with substance use disorders having the highest hepatitis C virus prevalence and incidence, the vast majority have not engaged into care for the infection. Previously, interferon-based treatments, with substantial side effects and the propensity to exacerbate mental health conditions, were major disincentives to pursuit of care for the infection. Direct-acting antivirals with viral eradication rates of >90%, significantly improved side effect profiles, and shorter treatment duration are dramatic improvements over prior treatment regimens that should promote widespread hepatitis C virus care among persons with substance use disorders...
June 2017: Addictive Disorders & Their Treatment
https://www.readbyqxmd.com/read/28696262/human-serine-racemase-structure-activity-relationship-studies-provide-mechanistic-insight-and-point-to-position-84-as-a-hotspot-for-%C3%AE-elimination-function
#17
David L Nelson, Gregory A Applegate, Matthew L Beio, Danielle L Graham, David B Berkowitz
There is currently great interest in human serine racemase (hSR), the enzyme responsible for producing the NMDA co-agonist D-serine. Reported correlation of D-serine levels with disorders including Alzheimers disease, ALS and ischemic brain damage (elevated D-serine), and schizophrenia (reduced D-serine) has further piqued this interest. Reported is a structure/activity relationships (SAR) study of position-(S)84, the putative re-face base. In the most extreme case of functional reprogramming, the S84D mutant displays a dramatic reversal of β-elimination substrate specificity in favor of L-serine over the normally preferred L-serine-O-sulfate (L-SOS; ~1200-fold change in kcat/Km ratios) and L-threo-β-hydroxyaspartate (L-THA; ~5000-fold change in kcat/Km ratios) alternative substrates...
July 10, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28695547/human-immunodeficiency-virus-promotes-mitochondrial-toxicity
#18
REVIEW
Summer J Rozzi, Valeria Avdoshina, Jerel A Fields, Margarita Trejo, Hoai T Ton, Gerard P Ahern, Italo Mocchetti
Combined antiretroviral therapies (cART) have had remarkable success in reducing morbidity and mortality among patients infected with human immunodeficiency virus (HIV). However, mild forms of HIV-associated neurocognitive disorders (HAND), characterized by loss of synapses, remain. cART may maintain an undetectable HIV RNA load but does not eliminate the expression of viral proteins such as trans-activator of transcription (Tat) and the envelope glycoprotein gp120 in the brain. These two viral proteins are known to promote synaptic simplifications by several mechanisms, including alteration of mitochondrial function and dynamics...
July 10, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28694764/2-pyrazoline-derivatives-in-neuropharmacology-synthesis-adme-prediction-molecular-docking-and-in-vivo-biological-evaluation
#19
Savita Upadhyay, Avinash C Tripathi, Sarvesh Paliwal, Shailendra K Saraf
A novel series of 1,3,5-trisubstituted-2-pyrazoline derivatives (PFC-1 to PFC-16) were synthesized in a three step reaction using conventional and microwave assisted green chemistry approach. The synthesized derivatives were characterized and their chemical structures were established by various physicochemical methods such as IR, Mass, (1)H-NMR, (13)C-NMR and elemental analysis. The synthesized compounds were tested for their neuropharmacological potential. The compounds exhibited significant antidepressant and anti-anxiety activities against various behavioral in vivo models...
2017: EXCLI journal
https://www.readbyqxmd.com/read/28693969/the-influence-of-physical-activity-in-water-on-sleep-quality-in-pregnant-women-a-randomised-trial
#20
R Rodriguez-Blanque, J C Sánchez-García, A M Sánchez-López, N Mur-Villar, M J Aguilar-Cordero
INTRODUCTION: Sleep is a physiological state of self-regulation. The international classification of sleep disorders now includes as a new category those occurring during pregnancy. Regular physical activity is known to improve the quality of life, one aspect of which is sleep quality. During pregnancy, physical activity is decreased but should not be eliminated, as studies have reported a high correlation between sleep disorders and the absence of physical activity. Regular physical exercise during pregnancy, whether performed in water or out of it, provides greater control of gestational weight gain...
July 7, 2017: Women and Birth: Journal of the Australian College of Midwives
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