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https://www.readbyqxmd.com/read/28637176/dissociation-of-striatal-dopamine-and-tyrosine-hydroxylase-expression-from-aging-related-motor-decline-evidence-from-calorie-restriction-intervention
#1
Michael F Salvatore, Jennifer Terrebonne, Mark A Cantu, Tamara R McInnis, Katy Venable, Parker Kelley, Ella A Kasanga, Brian Latimer, Catherine L Owens, Brandon S Pruett, Yongmei Yu, Robert Luedtke, Michael J Forster, Nathalie Sumien, Donald K Ingram
The escalating increase in retirees living beyond their 8th decade brings increased prevalence of aging-related impairments, including locomotor impairment (Parkinsonism) which may affect ~50% of those reaching age 80, but has no confirmed neurobiological mechanism. Lifestyle strategies that attenuate motor decline, and its allied mechanisms, must be identified. Aging studies report little to moderate loss of striatal dopamine (DA) or tyrosine hydroxylase (TH) in nigrostriatal terminals, in contrast to ~70-80% loss associated with bradykinesia onset in Parkinson's disease...
June 20, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28637146/instilling-positive-beliefs-about-disabilities-pilot-testing-a-novel-experiential-learning-activity-for-rehabilitation-students
#2
Arielle M Silverman, Jennifer S Pitonyak, Ian K Nelson, Patricia N Matsuda, Deborah Kartin, Ivan R Molton
PURPOSE: To develop and test a novel impairment simulation activity to teach beginning rehabilitation students how people adapt to physical impairments. METHODS: Masters of Occupational Therapy students (n = 14) and Doctor of Physical Therapy students (n = 18) completed the study during the first month of their program. Students were randomized to the experimental or control learning activity. Experimental students learned to perform simple tasks while simulating paraplegia and hemiplegia...
February 25, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637130/community-integration-and-life-satisfaction-among-individuals-with-spinal-cord-injury-living-in-the-community-after-receiving-institutional-care-in-bangladesh
#3
Nayeema Ahmed, Mohammad Morshedul Quadir, Mohammad Akhlasur Rahman, Hasanat Alamgir
PURPOSE: This study reports level of community integration and life satisfaction among individuals who sustained traumatic spinal cord injuries, received institutional rehabilitation care services, and went back to live in the community in Bangladesh. It examines the impact of type of injury, demographic characteristics, socio-economic profile, and secondary health conditions on community integration and life satisfaction and explores the association between these two measures. METHOD: Individuals with spinal cord injury were telephone interviewed by the Centre for the Rehabilitation of the Paralysed, Bangladesh from February to June of 2014...
February 7, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637128/maximizing-gait-and-balance-behaviors-and-decision-making-processes-of-persons-with-multiple-sclerosis-and-physical-therapists
#4
Elissa Held Bradford, Marcia Finlayson, Andrea White Gorman, Joanne Wagner
PURPOSE: To describe the behavioral decisions used by persons with multiple sclerosis (MS) and physical therapists to maximize gait and balance following outpatient physical therapy. METHODS: A multi-method case series with seven matched pairs (persons with MS-physical therapists). Quota sampling maximized variability among persons with MS (disease steps score range 3-6). Three of the four physical therapists were MS or neurology certified. Persons with MS completed a phone survey, follow-up interview, and standardized questionnaires...
February 7, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637127/clinical-utility-of-the-modified-trunk-impairment-scale-for-stroke-survivors
#5
YunBok Lee, SeungHeon An, GyuChang Lee
OBJECTIVE: The present study aimed to determine the discriminant power of the modified Trunk Impairment Scale (mTIS) in stroke survivors versus healthy adults. DESIGN: Cross-sectional. SETTING: Inpatient rehabilitation center. PARTICIPANTS: Fifty-five subjects with stroke and 29 healthy adults. METHODS: Subjects were examined using the mTIS, Berg Balance Scale, and Timed Up and Go test for balance; 5-m Walk Test and Functional Ambulation Category for gait; Fugl-Meyer Assessment for motor function; Postural Assessment Scale for Stroke-Trunk Control and Trunk Control Test for trunk control; and Modified Barthel Index for activities of daily living performance...
February 7, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637001/a-novel-method-to-generate-salmonella-typhi-ty21a-ghosts-exploiting-the-%C3%AE-phage-holin-endolysin-system
#6
Gayeon Won, Boram Kim, John Hwa Lee
Human typhoid fever caused by Salmonella Typhi still poses a severe global disease burden in developing countries despite the availability of commercial vaccines. In this study, we constructed a non-living S. Typhi Ty21a vaccine candidate by employing a lambda (λ) phage-derived holin-endolysin system to efficiently construct bacterial ghosts. The lysis plasmid pJHL464 harbors an R lysis cassette that is stringently regulated by dual promoters containing cI857/λPR and ParaBAD/araC components. The plasmid was introduced into an asd gene-deleted S...
June 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636806/ph-dependent-general-base-catalyzed-activation-rather-than-isocyanate-liberation-may-explain-the-superior-anticancer-efficacy-of-laromustine-compared-to-related-1-2-bis-methylsulfonyl-1-2-chloroethyl-hydrazine-prodrugs
#7
P G Penketh, R A Finch, R Sauro, R P Baumann, E S Ratner, K Shyam
Laromustine (also known as cloretazine, onrigin, VNP40101M, 101M) is a prodrug of 90CE, a short-lived chloroethylating agent with anticancer activity. The short half-life of 90CE necessitates the use of latentiated prodrug forms for in vivo treatments. Alkylaminocarbonyl based prodrugs such as laromustine exhibit significantly superior in vivo activity in several murine tumor models compared to analogs utilizing acyl, and alkoxycarbonyl latentiating groups. The alkylaminocarbonyl prodrugs possess two exclusive characteristics: (i) they are primarily unmasked by spontaneous base catalyzed elimination; and (ii) they liberate a reactive carbamoylating species...
June 21, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28636662/differential-regulation-of-polarized-synaptic-vesicle-trafficking-and-synapse-stability-in-neural-circuit-rewiring-in-caenorhabditis-elegans
#8
Naina Kurup, Dong Yan, Karina Kono, Yishi Jin
Neural circuits are dynamic, with activity-dependent changes in synapse density and connectivity peaking during different phases of animal development. In C. elegans, young larvae form mature motor circuits through a dramatic switch in GABAergic neuron connectivity, by concomitant elimination of existing synapses and formation of new synapses that are maintained throughout adulthood. We have previously shown that an increase in microtubule dynamics during motor circuit rewiring facilitates new synapse formation...
June 21, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28636650/the-formation-of-lipid-droplets-favors-intracellular-mycobacterium-leprae-survival-in-sw-10-non-myelinating-schwann-cells
#9
Song-Hyo Jin, Sung-Kwan An, Seong-Beom Lee
Leprosy is a chronic infectious disease that is caused by the obligate intracellular pathogen Mycobacterium leprae (M.leprae), which is the leading cause of all non-traumatic peripheral neuropathies worldwide. Although both myelinating and non-myelinating Schwann cells are infected by M.leprae in patients with lepromatous leprosy, M.leprae preferentially invades the non-myelinating Schwann cells. However, the effect of M.leprae infection on non-myelinating Schwann cells has not been elucidated. Lipid droplets (LDs) are found in M...
June 21, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28636574/early-intervention-programme-for-patients-with-psychotic-disorders-in-sveti-ivan-psychiatric-hospital-ripepp-sociodemographic-and-baseline-characteristics-of-the-participants
#10
Branka Restek-Petrović, Ana Majdančić, Sven Molnar, Majda Grah, Ena Ivezić, Igor Filipčić, Anamarija Bogović, Vladimir Grošić, Nina Mayer, Slobodanka Kezić, Irena Pavlović
BACKGROUND: Psychiatric hospital "Sveti Ivan" in Zagreb, Croatia, offers an outpatient Early intervention programme for patients with psychotic disorders (RIPEPP), consisting of psychoeducational workshops and group psychodynamic psychotherapy. The aim of this study was to describe sociodemographic and baseline characteristics of the participants, in order to provide better understanding of this population, and to assist with the development of more effective therapeutic approaches. SUBJECTS AND METHODS: Since 2008, a total of 245 patients with first episodes of psychosis and their family members participated in the programme...
June 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28636409/subjective-well-being-of-visually-impaired-older-adults-living-in-the-community
#11
Liran Rafaely, Sara Carmel, Yaacov G Bachner
OBJECTIVES: Vision impairment is one of the most common disabilities among older adults, and it has a substantial impact on well-being. The present study constructs an integrative model to identify which variables derived from four dimensions of life (physical/functional, social, psychological and environmental) combined with sociodemographic variables explain the overall subjective well-being (SWB) visually impaired older adults living in the community. METHOD: A total of 121 severe visually impaired persons, aged 60 and over (M = 77...
June 21, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28636321/copper-oxide-nanoparticles-induce-lysogenic-bacteriophage-and-metal-resistance-genes-in-pseudomonas-aeruginosa-pao1
#12
Jianhua Guo, Shu-Hong Gao, Ji Lu, Philip L Bond, Willy Verstraete, Zhiguo Yuan
The intensive use of metal-based nanoparticles results in their continuous release into the environment, leading to potential risks for human health and microbial ecosystems. Although previous studies have indicated that nanoparticles may be toxic to microorganisms, there is a scarcity of data available to assess the underlying molecular mechanisms of inhibitory and biocidal effects of nanoparticles on microorganisms. This study used physiological experiments, microscopy, Live/Dead staining and the genome-wide RNA sequencing to investigate the multiple responses of Pseudomonas aeruginosa to the exposure of copper oxide nanoparticles (CuO NPs)...
June 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28636279/effects-of-in-ovo-injection-of-chrysin-quercetin-and-ascorbic-acid-on-hatchability-somatic-attributes-hepatic-oxidative-status-and-early-post-hatch-performance-of-broiler-chicks
#13
F Khaligh, A Hassanabadi, H Nassiri-Moghaddam, A Golian, G-A Kalidari
An experiment was conducted to evaluate the effects of in ovo injection of chrysin, quercetin and ascorbic acid on hatchability, somatic attributes, hepatic antioxidant status and early post-hatch growth performance of broiler chicks. Four hundred and eighty embryonated broiler breeder eggs containing live 18-day-old embryos were divided into six groups of 80 eggs each. One group remained intact and served as a control group (i), whereas the other five groups were injected with the prepared injection solutions as follows: (ii) 0...
June 21, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28636200/functional-impairment-an-unmeasured-marker-of-medicare-costs-for-postacute-care-of-older-adults
#14
S Ryan Greysen, Irena Stijacic Cenzer, W John Boscardin, Kenneth E Covinsky
OBJECTIVES: To assess the effects of preadmission functional impairment on Medicare costs of postacute care up to 365 days after hospital discharge. DESIGN: Longitudinal cohort study. SETTING: Health and Retirement Study (HRS). PARTICIPANTS: Nationally representative sample of 16,673 Medicare hospitalizations of 8,559 community-dwelling older adults from 2000 to 2012. MEASUREMENTS: The main outcome was total Medicare costs in the year after hospital discharge, assessed according to Medicare claims data...
June 21, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28635507/cochlear-implant-effectiveness-in-postlingual-single-sided-deaf-individuals-what-s-the-point
#15
Mareike Finke, Hanna Bönitz, Björn Lyxell, Angelika Illg
OBJECTIVES: By extending the indication criteria for cochlear implants (CI), the population of CI candidates increased in age, as well as range and type of hearing loss. This qualitative study identified factors that contributed to seek CI treatment in single-sided deaf individuals and gained insights how single-sided deafness (SSD) and hearing with a CI affect their lives. DESIGN: An open-ended questionnaire and a standardised inventory (IOI-HA) were used. Qualitative data reflecting the reasons to seek CI treatment and the individual experiences after CI switch-on were collected...
March 5, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28635329/lead-induces-siberian-tiger-fibroblast-apoptosis-by-interfering-with-intracellular-homeostasis
#16
Zheng Liu, Hui Wang, Wenxiu Zhang, Ziao Yuan, Hongyi Yuan, Xueting Liu, Minghai Zhang, Xuesong Guo, Weijun Guan
Lead (Pb(2+)) is a poisonous heavy metal that causes many pathophysiological effects in living systems. Its toxicological effects are well known as it causes apoptosis of several cell types and tissues. This study aimed to determine the criteria required for early diagnosis of Pb(2+) poisoning in the Siberian tiger using a tiger population in China, to identify a safety Pb(2+) concentration threshold, and to provide suggestions for preventing Pb(2+) poisoning in Siberian tigers. We investigated the apoptotic effects of Pb(2+) (0, 32, 64, and 125 μM) for 12-48 h on Siberian tiger fibroblasts in vitro...
June 21, 2017: Drug and Chemical Toxicology
https://www.readbyqxmd.com/read/28635314/fluorescent-labeled-bioconjugates-of-the-opioid-peptides-biphalin-and-dpdpe-incorporating-fluorescein-maleimide-linkers
#17
Azzurra Stefanucci, Wei Lei, Victor J Hruby, Giorgia Macedonio, Grazia Luisi, Simone Carradori, John M Streicher, Adriano Mollica
AIM: The conjugation of fluorescent labels to opioid peptides is an extremely challenging task, which needs to be overcome to create new classes of probes for biological assays. MATERIALS & METHODS: Three opioid peptide analogs of biphalin and [D-Pen2,5]-Enkephalin (DPDPE) containing a fluorescein-maleimide motif were synthesized. RESULTS & DISCUSSION: The biphalin analog 17 binds to opioid receptors with Ki(μ) = 530 ± 90 nM and Ki(δ) = 69...
June 21, 2017: Future Medicinal Chemistry
https://www.readbyqxmd.com/read/28634768/futile-treatment-a-review
#18
Lenko Šarić, Ivana Prkić, Marko Jukić
The main goal of intensive care medicine is helping patients survive acute threats to their lives, while preserving and restoring life quality. Because of medical advancements, it is now possible to sustain life to an extent that would previously have been difficult to imagine. However, the goals of medicine are not to preserve organ function or physiological activity but to treat and improve the health of a person as a whole. When dealing with medical futilities, physicians and other members of the care team should be aware of some ethical principles...
June 20, 2017: Journal of Bioethical Inquiry
https://www.readbyqxmd.com/read/28634767/including-people-with-dementia-in-research-an-analysis-of-australian-ethical-and-legal-rules-and-recommendations-for-reform
#19
Nola M Ries, Katie A Thompson, Michael Lowe
Research is crucial to advancing knowledge about dementia, yet the burden of the disease currently outpaces research activity. Research often excludes people with dementia and other cognitive impairments because researchers and ethics committees are concerned about issues related to capacity, consent, and substitute decision-making. In Australia, participation in research by people with cognitive impairment is governed by a national ethics statement and a patchwork of state and territorial laws that have widely varying rules...
June 20, 2017: Journal of Bioethical Inquiry
https://www.readbyqxmd.com/read/28634668/black-and-white-snub-nosed-monkey-rhinopithecus-bieti-feeding-behavior-in-a-degraded-forest-fragment-clues-to-a-stressed-population
#20
Zhi-Pang Huang, Matthew B Scott, Yan-Peng Li, Guo-Peng Ren, Zuo-Fu Xiang, Liang-Wei Cui, Wen Xiao
Rapid global deforestation has forced many of the world's primates to live in fragmented habitats, making the understanding of their behavioral responses to degraded and fragmented habitats a key challenge for their future protection and management. The black-and-white snub-nosed monkey (Rhinopithecus bieti) is an endangered species endemic to southwest China. The forest habitat ranges from near-continuous to fragmented. In this study, we investigated the activity budget and diet of a R. bieti population that live in an isolated and degraded habitat patch at Mt...
June 20, 2017: Primates; Journal of Primatology
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