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https://www.readbyqxmd.com/read/28719035/melatonin-inhibits-nucleus-pulposus-np-cell-proliferation-and-extracellular-matrix-ecm-remodeling-via-the-melatonin-membrane-receptors-mediated-pi3k-akt-pathway
#1
Zheng Li, Xingye Li, Chong Chen, Matthew T V Chan, William Ka Kei Wu, Jianxiong Shen
Pinealectomy in vertebrates accelerated intervertebral disc degeneration (IDD). However, the potential mechanisms, particularly, melatonin's role is still to be clarified. In this study, for first time, melatonin membrane receptors of MT1 and MT2 were found to be present in the human intervertebral disc tissues and nucleus pulposus (NP) cells, respectively. Melatonin treatment significantly inhibited NP cell proliferation in dose- dependent manner. Accordingly, melatonin down-regulated gene expression of cyclin D1, PCNA, matrix metallopeptidases-3 and -9 and upregulated gene expression of collagen type II alpha 1 chain and aggrecan in NP cells...
July 18, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28715865/chitosan-oligosaccharides-protect-nucleus-pulposus-cells-from-hydrogen-peroxide-induced-apoptosis-in-a-rat-experimental-model
#2
Peng Jia, Ling Yu, Chunjie Tao, Guo Dai, Zhengpei Zhang, Shiqing Liu
Chitosan has been investigated for its protective effect on nucleus pulposus (NP) cells against intervertebral disc degeneration(IDD), but its high molecular weight prohibits its clinical application. The low molecular derivatives, chitosan oligosaccharides (COS) are easier to absorb; however, the protective effect of COS against IDD remains unclear. In this study, we investigated the effects of COS on NP degeneration. NP cells derived from rats were treated with H2O2 to induce an IDD-like transition. Then, COS was used to pre-treat cells before administering H2O2 and changes occurring in the cells were observed...
July 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28707359/the-feasibility-of-using-pedometers-for-self-report-of-steps-and-accelerometers-for-measuring-physical-activity-in-adults-with-intellectual-and-developmental-disabilities-across-an-18-month-intervention
#3
L T Ptomey, E A Willis, J Lee, R A Washburn, C A Gibson, J J Honas, J E Donnelly
BACKGROUND: Improving physical activity in adults with intellectual and developmental disabilities (IDDs) is recommended to improve weight loss and general health. However, in order to determine the success of physical activity interventions, identification of feasible methods for assessment of physical activities is necessary. The purpose of this study is to assess the feasibility of adults with IDD to track daily steps and wear an accelerometer. METHODS: Overweight/obese adults with mild to moderate IDD followed a diet and physical activity program for 18 months...
August 2017: Journal of Intellectual Disability Research: JIDR
https://www.readbyqxmd.com/read/28693367/a-comparison-of-the-college-experience-for-students-with-and-without-disabilities
#4
Anthony J Plotner, Cynthia May
Students with intellectual and developmental disabilities (IDD) have joined the ranks of college students in pursuit of personal independence, community integration, and employment. To achieve these aims, there is a need for a strong understanding of the college experience for students with IDD, including identification of the academic, social, and personal challenges they face as well as the supports that are available to address those challenges. This research provides preliminary insights into the college experience for students with IDD by comparing the perceptions, attitudes, and activities of students with IDD to those of students without disabilities and students with mild learning disabilities (MLD)...
January 1, 2017: Journal of Intellectual Disabilities: JOID
https://www.readbyqxmd.com/read/28678109/age-correlated-phenotypic-alterations-in-cells-isolated-from-human-degenerated-intervertebral-discs-with-contained-hernias
#5
Maria Molinos, Carla Cunha, Catarina R Almeida, Raquel M Gonçalves, Paulo Pereira, Pedro Santos Silva, Rui Vaz, Mário A Barbosa
STUDY DESIGN: Human intervertebral disc (hIVD) cells were isolated from 41 surgically excised samples and assessed for their phenotypic alterations with age. OBJECTIVE: Towards the design of novel anti-ageing strategies to overcome degenerative disc disease (DDD), we investigated age-correlated phenotypic alterations that occur on primary hIVD cells. SUMMARY OF BACKGROUND DATA: Although regenerative medicine holds great hope, much is still to be unveiled on IVD cell biology and its intrinsic signalling pathways, which can lead the way to successful therapies for IDD...
July 3, 2017: Spine
https://www.readbyqxmd.com/read/28673593/boron-a-potential-goiterogen
#6
Elizaveta V Popova, Alexey A Tinkov, Olga P Ajsuvakova, Margarita G Skalnaya, Anatoly V Skalny
The iodine deficiency disorders (IDD) include a variety of disturbances such as decreased fertility, increased perinatal and infant mortality, impaired physical and intellectual development, mental retardation, cretinism, hypothyroidism, and endemic goiter (EG). The occurrence of the latter is determined by interplay between genetic and environmental factors. The major environmental factor is iodine status that is required for normal thyroid hormone synthesis. However, other factors like intake of micronutrients and goiterogens also have a significant impact...
July 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28667916/mir-210-facilitates-ecm-degradation-by-suppressing-autophagy-via-silencing-of-atg7-in-human-degenerated-np-cells
#7
Cheng Wang, Zi-Zhen Zhang, Wei Yang, Zhi-Hua Ouyang, Jing-Bo Xue, Xue-Lin Li, Jian Zhang, Wen-Kang Chen, Yi-Guo Yan, Wen-Jun Wang
Intervertebral disc degeneration (IDD) is thought to be the most common cause of low back pain. Dysregulation of microRNAs (miRNAs) is involved in the development of IDD. The aim of this study was to explore the influence of miR-210 on type II collagen (Col II) and aggrecan expression and possible mechanisms in human degenerated nucleus pulposus (NP) cells. Our results showed that miR-210 levels were significantly increased in degenerated NP tissues compared with healthy controls, and positively correlated with disc degeneration grade...
June 28, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28666254/the-pi3k-akt-pathway-a-critical-player-in-intervertebral-disc-degeneration
#8
REVIEW
Zhi-Hua Ouyang, Wen-Jun Wang, Yi-Guo Yan, Bin Wang, Guo-Hua Lv
Intervertebral disc degeneration (IDD) is thought to be the primary cause of low back pain, a severe public health problem worldwide. Current therapy for IDD aims to alleviate the symptoms and does not target the underlying pathological alternations within the disc. Activation of the phosphatidylinositol 3-kinase (PI3K)/Akt pathway protects against IDD, which is attributed to increase of ECM content, prevention of cell apoptosis, facilitation of cell proliferation, induction or prevention of cell autophagy, alleviation of oxidative damage, and adaptation of hypoxic microenvironment...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28662992/candidate-gene-investigation-of-spinal-degenerative-osteoarthritis-in-greek-population
#9
E Liva, I Panagiotou, S Palikyras, E Parpa, E Tsilika, P Paschou, K Mystakidou
BACKGROUND CONTEXT: Few data exist concerning the natural history of degenerative osteoarthritis of the spine and its associated gene investigation. Degenerative osteoarthritis of the spine demonstrates an international prevalence of 15% in the general population and over 50% in people aged over 60 years. PURPOSE: The aim of this Greek case-control study is to examine gene polymorphisms that have been previously shown or hypothesized to be correlated to degenerative osteoarthritis of the spine...
June 26, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28661376/expanding-the-implementation-of-the-americans-with-disabilities-act-for-populations-with-intellectual-and-developmental-disabilities-the-role-of-organization-level-occupational-therapy-consultation
#10
Caroline J Umeda, Donald J Fogelberg, Tracy Jirikowic, Jennifer S Pitonyak, Tracy M Mroz, Roger I Ideishi
The Americans With Disabilities Act (ADA) provides standards and guidance for accessibility and accommodations that remove barriers to facilitate community social participation for individuals with disabilities. However, ADA implementation does not yet fully address the diverse access needs of people with intellectual and developmental disabilities (IDD), who continue to face barriers to community social participation. This article explores the potential for occupational therapy practitioners to provide organization-level consultation as a means of maximizing community social participation among people with IDD...
July 2017: American Journal of Occupational Therapy: Official Publication of the American Occupational Therapy Association
https://www.readbyqxmd.com/read/28657431/csf-and-clinical-data-are-useful-in-differentiating-cns-inflammatory-demyelinating-disease-from-cns-lymphoma
#11
Ryotaro Ikeguchi, Yuko Shimizu, Satoru Shimizu, Kazuo Kitagawa
BACKGROUND: It is often difficult to diagnose central nervous system (CNS) inflammatory demyelinating diseases (IDDs) because they are similar to CNS lymphoma and glioma. OBJECTIVE: To evaluate whether cerebrospinal fluid (CSF) analysis can differentiate CNS IDDs from CNS lymphoma and glioma. METHODS: We measured CSF cell counts; concentrations of proteins, glucose, interleukin (IL)-6, IL-10, soluble IL-2 receptor (sIL-2R), and myelin basic protein; and IgG index in patients with multiple sclerosis (MS, n = 64), neuromyelitis optica spectrum disorder (NMOSD, n = 35), tumefactive demyelinating lesion (TDL, n = 17), CNS lymphoma ( n = 12), or glioma ( n = 10)...
June 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28646230/il-1%C3%AE-increases-asporin-expression-via-the-nf-%C3%AE%C2%BAb-p65-pathway-in-nucleus-pulposus-cells-during-intervertebral-disc-degeneration
#12
Shengjie Wang, Chao Liu, Zhongyi Sun, Peng Yan, He Liang, Kai Huang, Changwei Li, Jiwei Tian
Disc degeneration (DD) is a multifaceted chronic process that alters the structure and function of intervertebral discs. The pathophysiology of degeneration is not completely understood, but the consensus is that changes in genes encoding extracellular matrix (ECM) proteins in the disc are the leading factors contributing to DD. Asporin is an ECM protein that has been shown to be increased in degenerated intervertebral discs, but little is known about how asporin is regulated during DD. In exploring the intricate mechanism, we confirmed that asporin was abundantly increased in patients' degenerated nucleus pulposus...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28640139/a-prisma-compliant-systematic-review-and-meta-analysis-of-the-relationship-between-thyroid-disease-and-different-levels-of-iodine-intake-in-mainland-china
#13
REVIEW
Wanwen Weng, Mengjie Dong, Jun Zhan, Jun Yang, Bo Zhang, Xingdong Zhao
BACKGROUND: Low-iodine intake has historically been an issue in China, causing widespread iodine deficiency diseases (IDD). China started to introduce universal salt iodization in 1995, but reports of increased thyroid disease are a concern and appropriate levels of iodine intake must be considered. OBJECTIVE: To assess the prevalence of thyroid disease with different urinary iodine concentrations (UICs) in the general population of those residing in mainland China...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28619001/icariin-attenuates-interleukin-1%C3%AE-induced-inflammatory-response-in-human-nucleus-pulposus-cells
#14
Wen-Bin Hua, Yu-Kun Zhang, Xing-Huo Wu, Liang Kang, Ji Tu, Kang-Cheng Zhao, Shuai Li, Kun Wang, Yu Song, Rong-Jin Luo, Zeng-Wu Shao, Cao Yang
BACKGROUND: Low back pain is a common problem, mainly caused by intervertebral disc degeneration (IDD). An important pathophysiological characteristic of IDD is the loss of homeostatic balance of the extracellular matrix metabolism. Interleukin-1β (IL-1β) is one of the inflammatory mediators stimulating the degradation of extracellular matrix in the nucleus pulposus (NP) and contributing to IDD pathogenesis. Icariin, which is isolated from Epimedium brevicornum, acts as an anti-inflammatory drug...
June 15, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28618841/assessment-of-solid-microneedle-rollers-to-enhance-transmembrane-delivery-of-doxycycline-and-inhibition-of-mmp-activity
#15
Abbie Omolu, Maryse Bailly, Richard M Day
Many chronic wounds exhibit high matrix metalloproteinase (MMP) activity that impedes the normal wound healing process. Intradermal delivery (IDD) of sub-antimicrobial concentrations of doxycycline, as an MMP inhibitor, could target early stages of chronic wound development and inhibit further wound progression. To deliver doxycycline intradermally, the skin barrier must be disrupted. Microneedle rollers offer a minimally invasive technique to penetrate the skin by creating multiple microchannels that act as temporary conduits for drugs to diffuse through...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28612475/how-hiv-affects-health-and-service-use-for-adults-with-intellectual-and-developmental-disabilities
#16
A Durbin, H K Brown, S Bansal, T Antoniou, J K H Jung, Y Lunsky
OBJECTIVE(S): Although rates of human immunodeficiency virus (HIV) are similar for individuals with and without intellectual and developmental disabilities (IDD), very little is known about the health needs and service use of those with IDD and HIV. Among a population with IDD, we compared the physical and mental health profiles, as well as general and mental health service use for those with and without HIV. DESIGN: Retrospective cohort study in Ontario, Canada using linked administrative health and social service databases...
July 2017: Journal of Intellectual Disability Research: JIDR
https://www.readbyqxmd.com/read/28608771/developing-a-health-related-quality-of-life-measure-for-people-with-intellectual-disability
#17
Lauren Clark, Marjorie A Pett, Elizabeth M Cardell, Jia-Wen Guo, Erin Johnson
Using principles of community-based participatory research we developed a new theory-based measure of health-related quality of life (HRQOL) for individuals with intellectual disability (ID). We recruited adults with ID (n = 129) to take part in interviews and review successive versions of HRQOL items. Critical input about content and understandability shaped the items, as did input from four focus groups of parents/caregivers (n = 16) and representative stakeholders from community-based agencies (n = 7). The resulting HRQOL measure, called the HRQOL-IDD, contains 42 items...
June 2017: Intellectual and Developmental Disabilities
https://www.readbyqxmd.com/read/28600575/altered-humoral-immunity-to-mycobacterial-antigens-in-japanese-patients-affected-by-inflammatory-demyelinating-diseases-of-the-central-nervous-system
#18
Davide Cossu, Kazumasa Yokoyama, Yuji Tomizawa, Eiichi Momotani, Nobutaka Hattori
Mycobacterium avium subsp. paratuberculosis (MAP) and Mycobacterium bovis (BCG) have been associated to several human autoimmune diseases such as multiple sclerosis (MS), but there are conflicting evidence on the issue. The objective of this study is to evaluate their role in Japanese patients affected by inflammatory demyelinating disorders of the central nervous system (IDDs). A total of 97 IDDs subjects including 51 MS and 46 neuromyelitis optica spectrum disorder (NMOSD) patients, and 34 healthy controls (HCs) were tested for the detection of IgG, IgM and IgA against mycobacterial antigens by indirect ELISA...
June 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28599254/differences-in-patterns-of-physical-participation-in-recreational-activities-between-children-with-and-without-intellectual-and-developmental-disability
#19
Chi-Wen Chien, Sylvia Rodger, Jodie Copley
BACKGROUND: Children with intellectual and developmental disability (IDD) are at risk of experiencing limited participation in recreational activities, where they may be present but not physically engaged. AIM: To compare patterns of physical engagement in recreational activities between children with and without IDD. METHODS AND PROCEDURES: Fifty children with IDD (26 boys, 24 girls; mean age 8.7 years) were matched for age and sex with 50 typically developing children...
August 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28588682/comparison-of-biological-characteristics-of-nucleus-pulposus-mesenchymal-stem-cells-derived-from-non-degenerative-and-degenerative-human-nucleus-pulposus
#20
Zhiwei Jia, Pushan Yang, Yaohong Wu, Yong Tang, Yachao Zhao, Jianhong Wu, Deli Wang, Qing He, Dike Ruan
Cell therapy using mesenchymal stem cells provides a promising approach for the treatment of intervertebral disc degeneration (IDD). In recent years, human nucleus pulposus mesenchymal stem cells (NPMSCs) have been identified in nucleus pulposus tissue and displayed great potential for the regeneration of IDD. However, biological differences between non-degenerative and degenerative nucleus pulposus-derived NPMSCs have remained to be defined. The aim of the present study was to compare the biological characteristics of human NPMSCs derived from non-degenerative and degenerative nucleus pulposus...
June 2017: Experimental and Therapeutic Medicine
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