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https://www.readbyqxmd.com/read/28813122/morphological-alterations-in-the-jejunal-mucosa-of-aged-rats-and-the-possible-protective-role-of-green-tea
#1
Zeinab Abel-Rehim Hassan, Agata Zauszkiewicz-Pawlak, Shaimaa A Abdelrahman, Sami Algaidi, Maha Desouky, Sally M Shalaby
INTRODUCTION: Gastrointestinal disorders become more prevalent with ageing. This study is aimed to describe morphological changes that occur in the jejunal mucosa of male albino rats as a result of ageing and the protective effect of green tea supplements. MATERIAL AND METHODS: The experiment was performed on sixty rats: thirty young-adult (6-month old, body mass 200-220 g) and thirty old (24-month-old, body mass 220-260 g) animals. Each group was further divided into two subgroups (n = 15 each): control rats and green tea-treated rats that received 1...
August 16, 2017: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/28812892/designer-extracts-as-tools-to-balance-estrogenic-and-chemopreventive-activities-of-botanicals-for-women-s-health
#2
Birgit M Dietz, Shao-Nong Chen, René F Ramos Alvarenga, Huali Dong, Dejan Nikolić, Martin Biendl, Richard B van Breemen, Judy L Bolton, Guido F Pauli
Botanical dietary supplements contain multiple bioactive compounds that target numerous biological pathways. The lack of uniform standardization requirements is one reason that inconsistent clinical effects are reported frequently. The multifaceted biological interactions of active principles can be disentangled by a coupled pharmacological/phytochemical approach using specialized ("knock-out") extracts. This is demonstrated for hops, a botanical for menopausal symptom management. Employing targeted, adsorbent-free countercurrent separation, Humulus lupulus extracts were designed for pre- and postmenopausal women by containing various amounts of the phytoestrogen 8-prenylnaringenin (8-PN) and the chemopreventive constituent xanthohumol (XH)...
August 16, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28812766/modulatory-effects-of-arginine-glutamine-and-branched-chain-amino-acids-on-heat-shock-proteins-immunity-and-antioxidant-response-in-exercised-rats
#3
Carolina Soares Moura, Pablo Christiano Barboza Lollo, Priscila Neder Morato, Eder Muller Risso, Jaime Amaya-Farfan
Heat shock proteins (HSPs) are endogenous proteins whose function is to maintain the cell's tolerance to insult, and glutamine supplementation is known to increase HSP expression during intense exercise. Since few studies have addressed the possibility that supplementation with other amino acids could have similar effects to that of glutamine, our objective was to evaluate the effects of leucine, valine, isoleucine and arginine as potential stimulators of HSPs 25, 60, 70 and 90 in rats subjected to acute exercise as a stressing factor...
August 16, 2017: Food & Function
https://www.readbyqxmd.com/read/28812278/monomer-dependent-secondary-nucleation-in-amyloid-formation
#4
REVIEW
Sara Linse
Secondary nucleation of monomers on the surface of an already existing aggregate that is formed from the same kind of monomers may lead to autocatalytic amplification of a self-assembly process. Such monomer-dependent secondary nucleation occurs during the crystallization of small molecules or proteins and self-assembled materials, as well as in protein self-assembly into fibrous structures. Indications of secondary nucleation may come from analyses of kinetic experiments starting from pure monomers or monomers supplemented with a low concentration of pre-formed aggregates (seeds)...
August 15, 2017: Biophysical Reviews
https://www.readbyqxmd.com/read/28812252/secondary-fracture-prevention-in-hip-fracture-patients-requires-cooperation-from-general-practitioners
#5
Jan Vaculík, Jan J Stepan, Pavel Dungl, Marek Majerníček, Alexander Čelko, Valér Džupa
Despite individual recommendations on osteoporosis management in patients after hip fracture surgery, addressed by orthopedic surgeons to Czech general practitioners, the patients remained undiagnosed and untreated because of provider-level barriers to post-fracture secondary prevention. PURPOSE: The goal of the study was to assess whether an individual recommendation on osteoporosis treatment addressed to a hip fracture patient's GP would lead to better osteoporosis management. METHODS: Two groups of patients who suffered hip fractures and were treated at the Orthopedic Department were evaluated...
May 18, 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/28812245/association-of-elements-with-schizophrenia-and-intervention-of-selenium-supplements
#6
Zhe Li, Yumei Liu, Xia Li, Wen Ju, Guanrui Wu, Xiaomei Yang, Xiaofeng Fu, Xibao Gao
The purpose of this study is to explore more trace elements (zinc, potassium, copper, iron, boron, manganese, selenium, chromium and cadmium elements) in addition to calcium, magnesium, lead and arsenic in the sera of patients with schizophrenia and the general population in China and to determine the effect of selenium on schizophrenia patients. Participants were collected from the Pingyin County Mental Health Hospital and Pingyin County. A t test was used to analyse the differences between schizophrenia patients and healthy subjects, and element content differences in gender...
August 15, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28812231/the-neuroprotective-effect-of-conditioned-medium-from-human-adipose-derived-mesenchymal-stem-cells-is-impaired-by-n-acetyl-cysteine-supplementation
#7
Teodoro Palomares, María Cordero, Cristina Bruzos-Cidon, María Torrecilla, Luisa Ugedo, Ana Alonso-Varona
Oxidative stress is a common feature in neurodegenerative diseases associated with neuroinflammation, and therefore, has been proposed as a key target for novel therapies for these diseases. Recently, adipose-derived stem cell (ASC)-based cell therapy has emerged as a novel strategy for neuroprotection. In this study, we evaluate the therapeutic role of ASC-conditioned medium (ASC-CM) against H2O2-induced neurotoxicity in a new in vitro model of ec23/brain-derived neurotrophic factor (BDNF)-differentiated human SH-SY5Y neuron-like cells (SH-SY5Yd)...
August 15, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28812209/effect-of-vitamin-d-supplementation-in-chronic-widespread-pain-a-systematic-review-and-meta-analysis
#8
Wai Chung Yong, Anawin Sanguankeo, Sikarin Upala
Chronic non-specific widespread pain (CWP) including fibromyalgia (FMS) is characterized by widespread pain, reduced pain threshold, and multiple tender points on examination, causing disability and decreased quality of life. Vitamin D has been proposed as an associated factor in CWP. This meta-analysis aimed to explore the benefit of vitamin D supplementation in the management of CWP. A comprehensive search of the CENTRAL, MEDLINE, and Embase databases was performed from inception through January 2017. The inclusion criterion was the randomized clinical trials' evaluating the effects of vitamin D treatment in adult subjects with CWP or FMS...
August 15, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28812189/nutrient-intake-of-swiss-toddlers
#9
Thomas A Brunner, Luca Casetti, Petra Haueter, Pascal Müller, Andreas Nydegger, Johannes Spalinger
PURPOSE: During the first years of life, food preferences are shaped that might last throughout a person's entire life affecting his/her health in the long term. However, knowledge on early feeding habits is still limited for toddlers. Therefore, the goal of the present study was to: (1) assess toddlers' nutrient intake; (2) compare the findings to past studies as well as to national feeding recommendations and (3) identify major food sources for energy and macronutrients. METHODS: A food survey using a 4-day diary was conducted...
August 10, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28812144/-trends-in-ablation-surgery-what-has-changed-compared-to-2001
#10
C V Fischer, M Kulanga, H Hoerauf
INTRODUCTION: In 2001 a survey among retinal surgeons regarding the treatment of rhegmatogenous retinal detachment either with scleral buckling methods or primary vitrectomy was performed. Due to the technical progress of vitrectomy and observational systems, it seemed appropriate to renew and update this survey supplemented with current aspects. METHODS: In this study 78 vitreoretinal surgeons from German-speaking countries were surveyed via an anonymous online questionnaire on their treatment decisions for defined retinal detachment constellations...
August 15, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28812082/a-broader-view-on-ion-heating-in-traveling-wave-devices-using-fragmentation-of-csi-clusters-and-extent-of-h%C3%AB-migration-as-molecular-thermometers
#11
Frederik Lermyte, Frank Sobott
Electron transfer dissociation (ETD) is becoming increasingly important in mass spectrometry-based analysis of peptides and proteins. Supplemental collisional activation of undissociated electron transfer products can significantly increase fragmentation yield and sequence coverage, but hydrogen rearrangements - specifically, transfer of a hydrogen radical from a c to a z fragment - lead to distorted isotope distributions and increased potential for signal overlap. Concomitant collisional activation during the ion/ion reaction significantly reduces these rearrangements, but, in ion traps, also leads to lower reaction rates and reduced overlap of anion and cation clouds...
August 16, 2017: Analyst
https://www.readbyqxmd.com/read/28812046/extra-virgin-olive-oil-ameliorates-cognition-and-neuropathology-of-the-3xtg-mice-role-of-autophagy
#12
Elisabetta Lauretti, Luigi Iuliano, Domenico Praticò
OBJECTIVE: Consumption of extra virgin olive oil (EVOO), a major component of the Mediterranean diet, has been associated with reduced incidence of Alzheimer's disease (AD). However, the mechanisms involved in this protective action remain to be fully elucidated. METHODS: Herein, we investigated the effect of daily consumption of EVOO on the AD-like phenotype of a mouse mode of the disease with plaques and tangles. RESULTS: Triple transgenic mice (3xTg) received either regular chow or a chow diet supplemented with EVOO starting at 6 months of age for 6 months, then assessed for the effect of the diet on the AD-like neuropathology and behavioral changes...
August 2017: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/28811873/a-human-plasma-derived-supplement-preserves-function-of-human-vascular-cells-in-absence-of-fetal-bovine-serum
#13
C Castells-Sala, J Martorell, M Balcells
Current techniques for cell culture routinely use animal-derived components. Fetal bovine serum (FBS) is the most widely applied supplement, but it often displays significant batch-to-batch variations and is generally not suitable for clinical applications in humans. A robust and xeno-free alternative to FBS is of high interest for cellular therapies, from early in vitro testing to clinical trials in human subjects. In the current work, a highly consistent human plasma derived supplement (SCC) has been tested, as a potential substitute of FBS in primary human vascular cells culture...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28811831/potent-phosphodiesterase-inhibition-and-nitric-oxide-release-stimulation-of-anti-impotence-thai-medicinal-plants-from-manosroi-iii-database
#14
Aranya Manosroi, Theeraphong Tangjai, Charinya Chankhampan, Worapaka Manosroi, Yaravee Najarut, Worapong Kitdamrongtham, Jiradej Manosroi
Seven plants in the top rank were selected from the "MANOSROI III" database using the two Thai keywords which meant impotence and sexual tonic. Boesenbergia rotunda (L.) Mansf. extract [EDP1-001(1)] gave the highest PDE inhibition activity of 4.36-fold sildenafil, a standard anti-impotence drug. Plumbago indica Linn. extract [EDP2-001(1)] exhibited the highest NO release stimulation activity of 666.85% which was 1.50-fold acetylcholine, a standard drug. Most selected plant extracts were nontoxic to EA.hy926 cells at 1...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28811828/nonvitamin-nonmineral-dietary-supplement-use-among-adults-with-fibromyalgia-united-states-2007-2012
#15
Termeh Feinberg, Christa Lilly, Kim Innes
BACKGROUND: Fibromyalgia (FMS) is a pain condition affecting 2-6% of US adults; effective treatment remains limited. Determinants of nonvitamin, nonmineral dietary supplement (NVNM) use among adults with FMS are not well-studied. We investigated the relation of NVNM use to FMS, and trends, in two nationally representative samples of US adults ≥18 years. METHODS: Data were drawn from 2007 and 2012 National Health Interview Surveys (N's = 20127 and 30672, resp.)...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28811809/peppered-and-rare-gastric-and-duodenal-pseudomelanosis-a-case-series
#16
Sami Samiullah, Hadi Bhurgri, Arooj Babar, Fatima Samad, Moaz M Choudhary, Michael Demyen
Upper Gastrointestinal (GI) pseudomelanosis is an uncommon entity characterized by endoscopic visualization of speckled dark mucosal pigmentation. While described in the rectum and colon, 'melanosis' or more aptly 'pseudomelanosis' is rare in the duodenum and exceedingly rare in the stomach. Five cases of pseudomelanosis were encountered at our department. Four females and one male were diagnosed, with a mean age of 70 years. All patients exhibited duodenal pseudomelanosis, with one demonstrating gastric antral pseudomelanosis as well...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28811780/role-of-vitamin-d-in-reducing-number-of-acute-exacerbations-in-chronic-obstructive-pulmonary-disease-copd-patients
#17
Dur Muhammad Khan, Aziz Ullah, Fawad Ahmad Randhawa, Somia Iqtadar, Nasir Farooq Butt, Khadija Waheed
BACKGROUND AND OBJECTIVE: Chronic obstructive pulmonary disease (COPD) is characterized by chronic incompletely reversible poor airflow and air trapping and usually this debilitating disorder limits the outside activities of the patients depriving them of sunlight which is a rich source of Vitamin D. The objective of this study was to determine the effect of vitamin D supplementation in reducing number of acute exacerbation in COPD patients. METHODS: This randomized control trial was conducted at East Medical Ward Mayo Hospital Lahore from January to December 2015 as exacerbations of COPD are season dependent...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28811698/effect-of-tulsi-ocimum-sanctum-linn-supplementation-on-metabolic-parameters-and-liver-enzymes-in-young-overweight-and-obese-subjects
#18
Swayamjeet Satapathy, Namrata Das, Debapriya Bandyopadhyay, Sushil Chandra Mahapatra, Dip Sundar Sahu, Mruthyumjayarao Meda
Ocimum sanctum Linn. (also known as Tulsi) is a sacred Indian plant, the beneficial role of which, in obesity and diabetes is described traditionally. This is a randomized, parallel group, open label pilot study to investigate the effect of O. sanctum on metabolic and biochemical parameters in thirty overweight/obese subjects, divided into two groups A and B. Group A (n = 16) received one 250 mg capsule of Tulsi (O. sanctum) extract twice daily in empty stomach for 8 weeks and group B (n = 14) received no intervention...
July 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28811664/structure-based-cross-docking-analysis-of-antibody-antigen-interactions
#19
Krishna Praneeth Kilambi, Jeffrey J Gray
Antibody-antigen interactions are critical to our immune response, and understanding the structure-based biophysical determinants for their binding specificity and affinity is of fundamental importance. We present a computational structure-based cross-docking study to test the identification of native antibody-antigen interaction pairs among cognate and non-cognate complexes. We picked a dataset of 17 antibody-antigen complexes of which 11 have both bound and unbound structures available, and we generated a representative ensemble of cognate and non-cognate complexes...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811612/coenzyme-q10-improves-lipid-metabolism-and-ameliorates-obesity-by-regulating-camkii-mediated-pde4-inhibition
#20
Zhe Xu, Jia Huo, Xin Ding, Mu Yang, Lin Li, Jian Dai, Kazunori Hosoe, Hiroshi Kubo, Masayuki Mori, Keiichi Higuchi, Jinko Sawashita
Our recent studies revealed that supplementation with the reduced form of coenzyme Q10 (CoQ10H2) inhibits oxidative stress and slows the process of aging in senescence-accelerated mice. CoQ10H2 inhibits adipocyte differentiation and regulates lipid metabolism. In the present study, we show that dietary supplementation with CoQ10H2 significantly reduced white adipose tissue content and improved the function of brown adipose tissue by regulating expression of lipid metabolism-related factors in KKAy mice, a model of obesity and type 2 diabetes...
August 15, 2017: Scientific Reports
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