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Locomotive Syndrome

Audrey M Bernstein, Robert Ritch, J Mario Wolosin
Exfoliation syndrome (XFS) is an age-related disease involving the deposition of aggregated fibrillar material (XFM) at extracellular matrices in tissues that synthesize elastic fibers. Its main morbidity is in the eye, where XFM accumulations form on the surface of the ciliary body, iris and lens. Exfoliation glaucoma (XFG) occurs in a high proportion of persons with XFS and can be a rapidly progressing disease. Worldwide, XFG accounts for about 25% of open-angle glaucoma cases. XFS and XFG show a sharp age-dependence, similarly to the many age-related diseases classified as aggregopathies...
March 15, 2018: Journal of Glaucoma
Federico Gennaro, Eling D de Bruin
Assessment of the cortical role during bipedalism has been a methodological challenge. While surface electroencephalography (EEG) is capable of non-invasively measuring cortical activity during human locomotion, it is associated with movement artifacts obscuring cerebral sources of activity. Recently, statistical methods based on blind source separation revealed potential for resolving this issue, by segregating non-cerebral/artifactual from cerebral sources of activity. This step marked a new opportunity for the investigation of the brains' role while moving and was tagged mobile brain/body imaging (MoBI)...
2018: Frontiers in Public Health
Manabu Akahane, Akie Maeyashiki, Yasuhito Tanaka, Tomoaki Imamura
OBJECTIVE: We assessed the impact of musculoskeletal diseases, depressive mental state, and hypertension on locomotive syndrome, a condition of reduced mobility requiring nursing care. Since locomotive syndrome is a major public health issue that needs attention, its relationship with functional inconvenience in performing daily activities was also investigated. METHODS: We conducted a cross-sectional study using an Internet panel survey, comprising 747 persons aged 30-90 years...
March 12, 2018: Modern Rheumatology
Satoshi Tanaka, Kei Ando, Kazuyoshi Kobayashi, Tetsuro Hida, Kenyu Ito, Mikito Tsushima, Masayoshi Morozumi, Masaaki Machino, Kyotaro Ota, Taisuke Seki, Koji Suzuki, Yoshihiro Nishida, Naoki Ishiguro, Yukiharu Hasegawa, Shiro Imagama
OBJECTIVES: The locomotive syndrome (LS) risk has been recently proposed as a criterion for evaluating physical ability. Serum cystatin C level is an early renal function marker and a cardiovascular disease predictor. This study aimed to evaluate the relationship between serum cystatin C level and LS risk. METHODS: We enrolled 54 participants and conducted the two-step test, stand-up test, 25-question geriatric locomotive function scale, LS risk test, Timed Up and Go test, back muscle strength, grip strength, blood test and serum cystatin C level measurement...
March 2, 2018: Modern Rheumatology
Kohei Maruya, Hiroaki Fujita, Tomoyuki Arai, Toshiki Hosoi, Kennichi Ogiwara, Shunnichiro Moriyama, Hideaki Ishibashi
[Purpose] The purpose is to verify the effectiveness of the 2-step test in predicting cognitive decline in elderly individuals. [Subjects and Methods] One hundred eighty-two participants aged over 65 years underwent the 2-step test, cognitive function tests and higher level competence testing. Participants were classified as Robust, <1.3, and <1.1 using criteria regarding the locomotive syndrome risk stage for the 2-step test, variables were compared between groups. In addition, ordered logistic analysis was used to analyze cognitive functions as independent variables in the three groups, using the 2-step test results as the dependent variable, with age, gender, etc...
January 2018: Journal of Physical Therapy Science
Xiaonan Liang, Gang Yu, Ruibin Su
Neuropathic pain is among the most common and difficult-to-treat types of chronic pain and is associated with sodium channel malfunction. The sodium channel blocker ralfinamide has exhibited potent analgesic effects in several preclinical pain models and in patients with mixed neuropathic pain syndromes (Phase II trials), but it failed to ameliorate neuropathic low back pain in Phase III trials. It is unclear whether ralfinamide is effective against neuropathic pain induced by specified etiologies. In the present study, the antinociceptive effects of ralfinamide in neuropathic pain models induced by spared nerve injury and chemotherapy were compared in a gabapentin-controlled manner...
January 30, 2018: European Journal of Pharmacology
Nina Z Xu, Margot Ernst, Marco Treven, Rok Cerne, Mark Wakulchik, Xia Li, Timothy M Jones, Scott D Gleason, Denise Morrow, Jeffrey M Schkeryantz, Md Toufiqur Rahman, Guanguan Li, Michael M Poe, James M Cook, Jeffrey M Witkin
RATIONALE: Associated with frank neuropathology, patients with Alzheimer's disease suffer from a host of neuropsychiatric symptoms that include depression, apathy, agitation, and aggression. Negative allosteric modulators (NAMs) of α5-containing GABAA receptors have been suggested to be a novel target for antidepressant action. We hypothesized that pharmacological modulation of this target would engender increased motivation in stressful environments. METHODS: We utilized electrophysiological recordings from Xenopus oocytes and behavioral measures in mice to address this hypothesis...
January 26, 2018: Psychopharmacology
Keiko Yamada, Shingo Muranaga, Tomohiro Shinozaki, Kozo Nakamura, Sakae Tanaka, Toru Ogata
BACKGROUND: Mobility decrease is reportedly age-dependent in community dwelling elderly, and a major factor of disability in the geriatric population. The purpose of this study is to examine whether mobility decrease, as assessed using a set of tests, is similarly age-dependent in elderly adults who already have disability. METHODS: One hundred thirty-five community-dwelling elderly (54 men, 81 women) with disability and 1469 independent community dwellers (1009 men, 460 women) were analyzed...
January 26, 2018: BMC Geriatrics
Li He, Kun Yu, Fanghui Lu, Jiajia Wang, Laiman N Wu, Chuntao Zhao, Qianmei Li, Xianyao Zhou, Hanmin Liu, Dezhi Mu, Mei Xin, Mengsheng Qiu, Q Richard Lu
Bergmann glia facilitate granule neuron migration during development and maintain the cerebellar organization and functional integrity. At present, molecular control of Bergmann glia specification from cerebellar radial glia is not fully understood. In this report, we show that Zeb2 (a.k.a. Sip1 or Zfhx1b), a Mowat-Wilson-syndrome-associated transcriptional regulator, is highly expressed in Bergmann glia, but hardly detectable in astrocytes in the cerebellum. The mice lacking Zeb2 in cerebellar radial glia exhibit severe deficits in Bergmann glia specification, and develop cerebellar cortical lamination dysgenesis and locomotion defects...
January 11, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
Keiko Abe, Takumi Misaka
In Japan, where a super-aging society is realized, we are most concerned about healthy longevity, which would ascertain the wellness of people by improving their quality of life (QOL). In 2014, the Cabinet Office proposed a strategic innovation promotion programme, launching a national project for the development of the agricultural-forestry-fisheries food products with new functionalities for the next generation. In addition to focusing on a conventional prevention of lifestyle-associated metabolic syndromes, the project targets the scientific evidence of the activation of brain cognitive ability and the improvement of bodily locomotive function...
January 10, 2018: Bioscience, Biotechnology, and Biochemistry
Andrea Santangelo, Marco Bortolato, Laura J Mosher, Giuseppe Crescimanno, Giuseppe Di Giovanni, Emanuele Cassioli, Valdo Ricca, Maurizio Casarrubea
AIM: The transgenic D1CT-7 mouse is one of the best-characterized animal models of Tourette's syndrome (TS), exhibiting spontaneous tic-like Head-Body Twitches (HBT) and deficits in sensorimotor gating. This study is aimed at evaluating the behavioral dynamics of these mutants and their potential relevance to TS. METHODS: The behavior of D1CT-7 and Wild Type littermates was firstly assessed by considering frequencies and durations. To detect recurrent real-time behavioral sequences, the multivariate T-pattern analysis was employed...
January 3, 2018: CNS Neuroscience & Therapeutics
Aude Molinard-Chenu, Alexandre Dayer
BACKGROUND: Alterations in early steps of cortical circuit assembly are thought to play a critical role in vulnerability to schizophrenia (SZ), but the pathogenic impact of SZ-risk mutations on corticogenesis remains to be determined. DiGeorge syndrome critical region 2 (DGCR2) is located in the 22q11.2 locus, whose deletion is a major risk factor for SZ. Moreover, exome sequencing of individuals with idiopathic SZ identified a rare missense mutation in DGCR2, further suggesting that DGCR2 is involved in SZ...
November 21, 2017: Biological Psychiatry
Marie-Jeanne Cabirol-Pol, Bilal Khalil, Thomas Rival, Catherine Faivre-Sarrailh, Marie Thérèse Besson
Mitochondrial defects associated with respiratory chain complex I deficiency lead to heterogeneous fatal syndromes. While the role of NDUFS8, an essential subunit of the core assembly of the complex I, is established in mitochondrial diseases, the mechanisms underlying neuropathology are poorly understood. We developed a Drosophila model of NDUFS8 deficiency by knocking down the expression of its fly homologue in neurons or in glial cells. Downregulating ND23 in neurons resulted in shortened lifespan, and decreased locomotion...
December 29, 2017: Glia
Yasuharu Nakashima, Ken Okazak, Koichiet Nakayama, Seiji Okada, Hideki Mizu-uchi
With the increase of elderly population, orthopaedic surgeons need to deal with the diseases related to aging, such as joint disorders and fragility fractures. The number of total joint replacements, for example, is two times more than it was 10 years ago. With these backgrounds, the Japanese Orthopaedic Association (JOA) has proposed the concept of locomotive syndrome; conditions under which the elderly have been receiving care services due to problems of the locomotive organs. To prevent geriatric or disuse syndrome, JOA is currently providing the care‒prevention programs such as the loco-check and loco-training...
January 2017: Fukuoka Igaku Zasshi, Hukuoka Acta Medica
Kristýna Štefková, Monika Židková, Rachel R Horsley, Nikola Pinterová, Klára Šíchová, Libor Uttl, Marie Balíková, Hynek Danda, Martin Kuchař, Tomáš Páleníček
Methylone (3,4-methylenedioxy- N -methylcathinone) is a synthetic cathinone analog of the recreational drug ecstasy. Although it is marketed to recreational users as relatively safe, fatalities due to hyperthermia, serotonin syndrome, and multi-organ system failure have been reported. Since psychopharmacological data remain scarce, we have focused our research on pharmacokinetics, and on a detailed evaluation of temporal effects of methylone and its metabolite nor-methylone on behavior and body temperature in rats...
2017: Frontiers in Psychiatry
Neide Vieira, Carlos Bessa, Ana J Rodrigues, Paulo Marques, Fung-Yi Chan, Ana Xavier de Carvalho, Margarida Correia-Neves, Nuno Sousa
The sorting nexins family of proteins (SNXs) plays pleiotropic functions in protein trafficking and intracellular signaling and has been associated with several disorders, namely Alzheimer's disease and Down's syndrome. Despite the growing association of SNXs with neurodegeneration, not much is known about their function in the nervous system. The aim of this work was to use the nematode Caenorhabditis elegans that encodes in its genome eight SNXs orthologs, to dissect the role of distinct SNXs, particularly in the nervous system...
December 1, 2017: Cellular and Molecular Life Sciences: CMLS
Dongsoo Kim, Chang Yul Kim, Hyojin Koo, Yong Heo, Kicheol Cheon
OBJECTIVE: Predator stress, social defeat stress, and fear conditioning animal models have been applied to investigate combat-related posttraumatic stress disorder (PTSD). However, no animal model psychopharmacological studies have investigated prevention of somatization of increased mental stress and fatigue at the beginning of combat exposure. This study utilized a novel animal model simulating the beginning of combat exposure that aided specification of a set of biomarkers. METHODS: Psychological stress was induced by both inescapable electric foot shock and noise stimuli...
November 22, 2017: Neuroimmunomodulation
Zhaoxia Xue, Justin N Siemian, Bernard N Johnson, Yanan Zhang, Jun-Xu Li
Impulsivity is an important personality trait associated with several clinical syndromes including drug abuse. While repeated drug exposure is known to increase certain behavioral responses, such as locomotion, to subsequent drug exposure, few studies have examined whether such sensitization develops for impulsive behavior. In the current study we tested the effects of methamphetamine acutely, during the course of, and upon discontinuation of chronic methamphetamine treatment on impulsive behavior in two models, the 5-choice serial reaction time task (5-CSRTT) and the delay-discounting task which measure impulsive action and impulsive choice, respectively...
February 2018: Neuropharmacology
Chika Tanimura, Hiromi Matsumoto, Yasuko Tokushima, Junko Yoshimura, Shinji Tanishima, Hiroshi Hagino
The purpose of this 2 year longitudinal study was to identify the relationship between self-care agency, lifestyle, physical condition, and frailty among community-dwelling older people in a rural area of Japan. The participants were 133 older individuals aged 65 years or above. Data collection was conducted via face-to-face interviews using self-administered questionnaires. Background information, such as age, sex, current employment status, family structure, medication use, comorbidities, and knee and lower back pain, were assessed...
November 8, 2017: Nursing & Health Sciences
Atsushi Kimura, Katsushi Takeshita, Hirokazu Inoue, Atsushi Seichi, Yosuke Kawasaki, Toshitaka Yoshii, Hiroyuki Inose, Takeo Furuya, Kazuhiro Takeuchi, Shunji Matsunaga, Shoji Seki, Mikito Tsushima, Shiro Imagama, Masao Koda, Masashi Yamazaki, Kanji Mori, Hirosuke Nishimura, Kenji Endo, Kei Yamada, Kimiaki Sato, Atsushi Okawa
BACKGROUND: Fall-induced injuries represent a major public health concern for older individuals. The relationship between risk of falling and the severity of locomotive syndrome (LS) remains largely unknown. METHODS: We conducted a retrospective analysis of patients who had undergone surgery from January 2012 to December 2013 and completed at least 1 year of follow-up at 12 participating institutes. Patients completed a questionnaire survey regarding their fall experience during a routine postoperative follow-up...
October 31, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
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