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Rejuvenation Research

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https://www.readbyqxmd.com/read/28712331/feasibility-and-efficacy-of-mat-pilates-on-people-with-mild-to-moderate-parkinson-s-disease-a-preliminary-study
#1
Jose Maria Cancela, Irimia Mollinedo-Cardalda, Carlos Ayán, Iris Machado de Oliveira
This pilot study aimed at assessing the feasibility and efficacy of a Mat Pilates program in people with mild-to-moderate Parkinson's disease (PD). The participants carried out a Mat Pilates program twice a week for 12 weeks. The Senior Fitness Test battery and the 39-item PD Questionnaire were used to assess the effects of the program on the participants' fitness level and quality of life. A total of 16 patients with mild-to-moderate PD volunteered for and finished the study. The Mat Pilates program proved to be feasible...
September 14, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28514891/synergistic-effect-of-rapamycin-and-metformin-against-age-dependent-oxidative-stress-in-rat-erythrocytes
#2
Abhishek Kumar Singh, Geetika Garg, Sandeep Singh, Syed Ibrahim Rizvi
Erythrocytes are particularly vulnerable toward age-dependent oxidative stress-mediated damage. Caloric restriction mimetics (CRMs) may provide a novel strategy for the maintenance of redox balance as well as effective treatment of age-associated diseases. Herein, we have investigated the beneficial effect of cotreatment with CRM-candidate drugs, rapamycin (an immunosuppressant drug and inhibitor of mammalian target of rapamycin) and metformin (an antidiabetic biguanide and activator of adenosine monophosphate kinase), against aging-induced oxidative stress in erythrocytes and plasma of aging rats...
September 14, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28895468/prevalence-of-ideal-cardiovascular-health-and-its-association-with-cognitive-function-in-older-adults-the-chilean-national-health-survey-2009-2010
#3
Antonio García-Hermoso, Robison Ramírez-Vélez, Rodrigo Ramirez-Campillo, Mikel Izquierdo
BACKGROUND: Health behaviors and risk factors are independently related with cognitive function in older adults. This study aimed to examine the prevalence and relationship between cognitive function and a number of ideal cardiovascular health metrics in older adults from the 2009-2010 Chilean National Health Survey. BASIC PROCEDURES: Data from 460 older adults (mean age 73.5 years old, 59.3% women) from the 2009-2010 Chilean Health Survey were analyzed. Ideal cardiovascular health was defined as meeting the ideal levels of the following components: four behaviors (smoking, body mass index, physical activity and diet adherence) and three factors (total cholesterol, blood pressure and fasting glucose)...
September 12, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28891399/response-of-human-fetal-liver-progenitor-cell-types-to-temperature-and-ph-stresses-in-vitro
#4
Eva Schmelzer, Hubert G Foka, Robert L Thompson, Angelo Luca, Bruno Gridelli, Jörg C Gerlach
Prolonged physiological stresses including abnormal pH and temperature are deleterious. Yet, human hepatic progenitors have been shown to be quite tolerant of temporary temperature stress such as in cold ischemia. We aimed to identify how various stresses affect liver progenitors, and to determine whether distinct effects exist on different progenitor cells of the human liver. Total fetal liver cells were exposed to low (25°C), normal (37°C), or high (40°C) temperatures, or low (6.76), normal (7.35), or high (7...
September 11, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28891383/a-hypothesis-moderate-consumption-of-alcoholic-beverages-contributes-to-lower-prevalence-of-type-2-diabetes-t2dm-due-to-scavenging-of-%C3%AE-dicarbonyls-by-several-classes-of-dietary-phytochemicals
#5
Benjamin S Szwergold
The world is experiencing an epidemic of Type-2-Diabetes (T2DM). This has led to increased morbidity and mortality, explosive growth in heath-care budgets and has an even greater, if indirect, impact on societies and economies of the affected countries. While genetic susceptibility to T2DM is a major determinant of its prevalence, changes in life-styles also play a role. One such change has been a transition from traditional diets characterized by low caloric and high nutrient density to calorie-rich but nutrient-poor Western diets...
September 11, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28885889/a-genetic-variant-of-asct2-hampers-in-vitro-rna-splicing-and-correlates-with-human-longevity
#6
Patrizia D'Aquila, Paolina Crocco, Francesco De Rango, Cesare Indiveri, Dina Bellizzi, Giuseppina Rose, Giuseppe Passarino
Given the role of amino acid regulation for physiological and pathological cell proliferation, we investigated whether the variability of solute carrier family 1, member 5 (SLC1A5, namely ASCT2), encoding for ASCT2 protein, a major glutamine transporter, is related to longevity. A total of 607 differently aged unrelated individuals, 351 very old subjects (≥85 years, range 85-106 years, mean age 93.82 ± 4.44 years) and 256 younger controls (<85 years, range 64-84 years, mean age 73.60 ± 5.70 years) were analyzed...
September 8, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28673122/rejuvenating-effect-of-long-term-insulin-like-growth-factor-i-gene-therapy-in-the-hypothalamus-of-aged-rats-with-dopaminergic-dysfunction
#7
José I Schwerdt, Micaela Lopez-Leon, Gloria M Cónsole, Oscar A Brown, Gustavo R Morel, Eduardo Spinedi, Rodolfo G Goya
The aging female rat constitutes an interesting model of spontaneous and progressive age-related dopaminergic dysfunction as it allows assessing new therapeutic strategies for Parkinson's disease. Insulin-like growth factor I (IGF-I) is emerging as a powerful neuroprotective molecule, strongly induced in the central nervous system after different insults. We constructed a helper-dependent recombinant adenoviral vector (HDRAd-IGFI) harboring the gene for rat IGF-I. This was used to implement long-term IGF-I gene therapy in the hypothalamus of aged female rats, which display hypothalamic dopaminergic (DA) dysfunction and, as a consequence, chronic hyperprolactinemia...
September 6, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28851251/targeting-ageing-with-functional-food-pasta-with-opuntia-single-arm-pilot-study
#8
Anna Aiello, Danilo Di Bona, Giuseppina Candore, Ciriuaco Carru, Angelo Zinellu, Giuseppe Di Miceli, Aldo Nicosia, Caterina Maria Gambino, Paolo Ruisi, Calogero Caruso, Sonya Vasto, Giulia Accardi
Interventions to extend life span represent the new perspective in ageing investigation. Healthy dietary habits are important modifiable factors that can favour a healthy ageing phenotype. Many studies have demonstrated benefits for metabolic syndrome and type 2 diabetes mellitus resulting from the traditional Mediterranean foods. Opuntia Ficus Indica (OFI), widespread in the Mediterranean basin, belongs to the Cactaceae family. It is known for its antioxidant and anti-inflammatory properties. Moreover, products containing extracts from OFI fruits or cladodes have been used to control obesity and other metabolic parameters, such as glycemia and lipid profile...
August 29, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28728538/effects-of-cataract-opacity-and-surgery-on-sleep-quality
#9
Aya Kokune-Takahashi, Masahiko Ayaki, Kazuo Tsubota, Kazuno Negishi
This study aimed to identify the type of cataract opacity associated with subjective sleep quality for cataract patients. A total of 180 consecutive patients (average age 74.2 years) underwent cataract surgery with implantation of an ultraviolet-blocking or blue light-blocking intraocular lens. The participants' subjective sleep quality was evaluated using the Pittsburgh sleep quality index (PSQI) before and at 2 months after surgery. Patients were divided into two groups for analysis: normal sleepers (preoperative PSQI ≤5) and poor sleepers (preoperative PSQI ≥6)...
August 29, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28661208/natural-substances-for-prevention-of-skin-photoaging-screening-systems-in-the-development-of-sunscreen-and-rejuvenation-cosmetics
#10
Vladimir Kostyuk, Alla Potapovich, Ahmed R Albuhaydar, Wolfgang Mayer, Chiara De Luca, Liudmila Korkina
Solar broadband UV irradiation is commonly regarded as a major causative reason for cutaneous photoaging. The pro-aging molecular pathways and cellular targets affected by UVA+UVB light in human skin have been extensively investigated. Notwithstanding growing knowledge in mechanisms of photoaging, research and development of clinically efficient, nontoxic, and sustainable topical preparations providing full physical, chemical, and biological photoprotection still remain a great challenge for pharmaceutical and cosmetic industries...
August 28, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28661207/thyroid-function-in-aging-a-discerning-approach
#11
Leonidas H Duntas
Thyroid disease, increasingly common among the general population, is also rising among the elderly, which, given that the global population is aging, constitutes a serious public health issue that needs to be urgently addressed. The most common thyroid disease in younger and older individuals alike is hypothyroidism, including subclinical (SCH) and overt disease. Since TSH tends to increase with age due to intrinsic changes of thyroid metabolism and the gradual resetting of the hypothalamic-pituitary-thyroid axis, the diagnosis of "true" hypothyroidism is challenging, another difficulty being distinguishing disease-specific from aging-associated clinical symptoms...
August 28, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28844183/attenuation-of-oxidative-damage-by-coenzyme-q10-loaded-nanoemulsion-via-oral-route-for-the-management-of-parkinson-s-disease
#12
Sanjula Baboota, Bijay Kumar Gupta, Shobhit Kumar, Harleen Kaur, Javed Ali
Coenzyme Q10 (CoQ10) is a well known antioxidant molecule which is used in the treatment of neurodegenerative disorders but due to poor solubility it suffers with the drawback of low oral bioavailability. The aim of present study was to prepare and characterize CoQ10 loaded nanoemulsion to improve the oral bioavailability. Prepared formulation was studied for droplet size, polydispersity index (PDI), percentage transmittance, refractive index, viscosity, zeta potential, surface morphology by transmission electron microscopy (TEM) and in vitro release study...
August 26, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28791889/symbiotic-origin-of-aging
#13
Edward Greenberg, Sergei Vatolin
Normally aging cells are characterized by an unbalanced mitochondrial dynamic skewed toward punctate mitochondria. Genetic and pharmacological manipulation of mitochondrial fission/fusion cycles can contribute to both accelerated and decelerated cellular or organismal aging. In this work, we connect these experimental data with the symbiotic theory of mitochondrial origin to generate new insight into the evolutionary origin of aging. Mitochondria originated from autotrophic α-proteobacteria during an ancient endosymbiotic event early in eukaryote evolution...
August 9, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28782427/berberine-improves-diabetic-encephalopathy-through-sirt1-er-stress-pathway-in-db-db-mice
#14
Hong-Ying Li, Xin-Chen Wang, Yu-Min Xu, Na-Chuan Luo, Si Luo, Xu-Yi Hao, Shu-Yi Cheng, Jian-Song Fang, Qi Wang, Shi-Jie Zhang, Yun-Bo Chen
The association between diabetes and dementia has been well-demonstrated by epidemiologic studies. Berberine (BBR) has been reported to ameliorate diabetes and diabetic encephalopathy (DE). However, the mechanism is still unknown. In this study, we employ a diabetic model, db/db mice, to explore whether BBR could protect DE through SIRT1/endoplasmic reticulum (ER) stress pathway. The behavioral results (Morris water maze, Y-maze spontaneous alternation test and fearing condition test) showed that oral administration of BBR (50 mg/kg) improved the learning and memory ability...
August 7, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28782414/protective-effect-of-neuropeptide-apelin-13-on-6-hydroxydopamine-induced-neurotoxicity-in-sh-sy5y-dopaminergic-cells-involvement-of-its-antioxidant-and-antiapoptotic-properties
#15
Elham Pooresmaeili-Babaki, Saeed Esmaeili-Mahani, Mehdi Abbasnejad, Hadi Ravan
Parkinson's disease (PD) is a severe neurodegenerative disorder characterized by the loss of brain dopaminergic neurons. Beside pharmacologic and symptomatic treatment of PD the neuroprotective therapy has recently attracted more attention. Apelin, a novel neuropeptide, and its receptors have numerous reported roles in regulating brain functions. In addition, this peptide has potent neuroprotective effects in some neurodegenerative situations. Here, the effects of apelin-13 were investigated in a cell model of PD...
August 7, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28602121/frailty-and-risk-of-cardiovascular-diseases-in-older-persons-the-age-gene-environment-susceptibility-reykjavik-study
#16
Nicola Veronese, Kristin Sigeirsdottir, Gudny Eiriksdottir, Elisa A Marques, Didier Chalhoub, Caroline L Phillips, Lenore J Launer, Stefania Maggi, Vilmundur Gudnason, Tamara B Harris
Frailty is a risk factor for cardiovascular diseases (CVD), but the studies available have not considered the presence of subclinical atherosclerotic disease as potential confounders. We investigated the association between frailty and the onset of CVD independently of subclinical atherosclerotic disease. For this reason, a sample of 3818 older participants participating in the Age, Gene/Environment Susceptibility-Reykjavik Study without CVD at baseline was followed for a median of 8.7 years. Frailty was defined as the presence of ≥3 among five Fried's criteria (unintentional weight loss, low physical activity level, weakness, exhaustion, and slow gait speed)...
August 7, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28629266/polygonatum-sibiricum-polysaccharide-promotes-osteoblastic-differentiation-through-the-erk-gsk-3%C3%AE-%C3%AE-catenin-signaling-pathway-in-vitro
#17
Xiaoming Peng, Jichen He, Jinmin Zhao, Yunle Wu, Xiongzhi Shi, Li Du, Mengni Nong, Shaohui Zong, Gaofeng Zeng
Natural compound polygonatum sibiricum polysaccharide (PSP) has a variety of biological actions such as reducing blood fat, antitumor and antioxidant activities, and enhancing immune function. Our previous study has revealed that PSP can promote osteoblastic (OB) differentiation in bone mesenchymal stem cells by increasing nuclear accumulation of β-catenin. This study was designed to investigate that PSP can upregulate nuclear β-catenin, which was prevented by inhibiting the glycogen synthase kinase 3β (GSK-3β) activity, by effectively activating Wnt signaling independent of low-density lipoprotein receptor-related protein 5 (LRP5)...
August 3, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28756747/nampt-mediated-nad-biosynthesis-as-the-internal-timing-mechanism-in-nad-world-time-is-running-in-its-own-way
#18
Borut Poljsak
The biological age of organisms differs from the chronological age and is determined by internal aging clock(s). How cells estimate time on a scale of 24 h is relatively well-studied; however, how biological time is measured by cells, tissues, organs or organisms in longer time periods (years and decades) is largely unknown. What is clear and widely agreed upon is that the link to age and age-related diseases is not chronological, as it does not depend on a fixed passage of time. Rather, this link depends on the biological age of an individual cell, tissue, organ or organism and not on time in a strictly chronological sense...
July 29, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28756746/nordic-walking-can-be-incorporated-in-the-exercise-prescription-to-increase-aerobic-capacity-strength-and-quality-of-life-for-elderly-a-systematic-review-and-meta-analysis
#19
Valentina Bullo, Stefano Gobbo, Barbara Vendramin, Federica Duregon, Lucia Cugusi, Andrea Di Blasio, Danilo Sales Bocalini, Marco Zaccaria, Marco Bergamin, Andrea Ermolao
The aim of this systematic review and meta-analysis was to summarize and analyze the effects of Nordic Walking on physical fitness, body composition and quality of life in the elderly. METHODS: keyword "Nordic Walking" associated with "elderly" AND/OR "aging" AND/OR "old subjects" AND/OR "aged" AND/OR "older adults" were used in the onlines database Medline, Embase, PubMed, Scopus, PsycINFO and SPORTDiscus. Only studies written in English language and published in peer-reviewed journals were considered...
July 29, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28622086/naringenin-ameliorates-behavioral-dysfunction-and-neurological-deficits-in-a-d-galactose-induced-aging-mouse-model-through-activation-of-pi3k-akt-nrf2-pathway
#20
Yan Zhang, Bin Liu, Xi Chen, Ning Zhang, Guang Li, Li-Hong Zhang, Li-Yan Tan
In this study, we evaluated the protective effects of naringenin on aging mice induced by d-galactose (d-gal). Open field test and Morris water maze test were performed to evaluate the effect of naringenin on behavioral dysfunction. Hematoxylin-eosin staining, TUNEL staining, and Nissl staining were used to estimate the effect of naringenin on neurological deficits. Furthermore, naringenin markedly activated PI3K/Akt signaling, eventually promoted the nuclear translocation of nuclear factor-erythroid 2-related factor 2, and induced the expression of heme oxygenase 1 and NAD(P)H-quinone oxidoreductase 1...
July 24, 2017: Rejuvenation Research
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