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https://www.readbyqxmd.com/read/28531998/reline-assisted-green-and-facile-synthesis-of-fluorapatite-nanoparticles
#1
Mohammad Karimi, Majid Rastegar Ramsheh, Seyed Mohammad Ahmadi, Mohammad Reza Madani, Mehdi Shamsi, Reyhaneh Reshadi, Farahnaz Lotfi
A fast, simple and sustainable method based on choline chloride-urea deep eutectic solvent (known as Reline) was employed to synthesize nanosized fluorapatite (FA) particles. Using XRD, FESEM, TEM, EDS, and FTIR, the formation of FA nanoparticles with average crystal size of ~34nm, percent crystallinity of 93%, particle size of ~45nm, and high crystal, elemental, and structural purity was confirmed. The MTT cytotoxicity assay endorsed the non-toxicity of as-synthesized FA nanoparticles. The good biocompatibility, osteogenity and mineralization ability of as-synthesized FA nanoparticles were confirmed by Alizarin red staining, Acridine orange staining and ALP activity tests...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28530602/bioactive-compound-and-antioxidant-activity-distribution-in-roller-milled-and-pearled-fractions-of-conventional-and-pigmented-wheat-varieties
#2
Debora Giordano, Monica Locatelli, Fabiano Travaglia, Matteo Bordiga, Amedeo Reyneri, Jean Daniel Coïsson, Massimo Blandino
In this study, the chemical composition of pigmented wheats (yellow, purple and blue types), and the distribution of the bioactive compounds in their roller-milled and pearled fractions, were compared with conventional wheats (red and white types). Roller-milling promoted the recovery of total dietary fiber, β-glucans, phenolic acids and anthocyanins in the bran fraction, which resulted also in a higher total antioxidant activity than the refined flour. Conversely, lutein resulted mainly concentrated in the refined flour...
October 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28530505/ingestion-of-sodium-bicarbonate-nahco3-following-a-fatiguing-bout-of-exercise-accelerates-post-exercise-acid-base-balance-recovery-and-improves-subsequent-high-intensity-cycling-time-to-exhaustion
#3
Lewis A Gough, Steven Rimmer, Callum J Osler, Matthew F Higgins
This study evaluated the ingestion of sodium bicarbonate (NaHCO3) on post-exercise acid-base balance recovery kinetics and subsequent high-intensity cycling time to exhaustion. In a counterbalanced, crossover design, nine healthy and active males (age: 23±2 years, height: 179±5 cm, body mass: 74±9 kg, peak mean minute power (WPEAK) 256±45 W, peak oxygen uptake (V̇O2PEAK) 46±8 ml.kg(-1).min(-1)) performed a graded incremental exercise test, two familiarisation and two experimental trials. Experimental trials consisted of cycling to volitional exhaustion (TLIM1) at 100% WPEAK on two occasions (TLIM1 and TLIM2) interspersed by a 90 min passive recovery period...
May 22, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28530444/real-world-strategies-to-engage-and-retain-racial-ethnic-minority-young-men-who-have-sex-with-men-in-hiv-prevention-services
#4
Thomas E Freese, Howard Padwa, Brandy T Oeser, Beth A Rutkowski, Marya T Schulte
Racial/ethnic minority young men who have sex with men (YMSM)-particularly African Americans and Hispanics/Latinos-are at particularly high risk for HIV infection. Devising strategies to improve engagement and retention in HIV prevention services among minority YMSM is critical if the United States is going to achieve the National HIV/AIDS Strategy goal of reducing HIV health-related disparities. This article presents findings from a national summit on racial/ethnic YMSM services convened by the Substance Abuse and Mental Health Services Administration-funded Center of Excellence on Racial and Ethnic Minority Young Men Who Have Sex with Men and Other Lesbian, Gay, Bisexual, and Transgender Populations (YMSM + LGBT CoE) in September 2015...
May 22, 2017: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/28530340/-can-post-traumatic-stress-disorder-be-prevented-with-glucocorticoids
#5
REVIEW
Hagit Cohen, Zeev Kaplan, Joseph Zohar
Glucocorticoids (GCs) play a major role in orchestrating the complex physiological and behavioral reactions essential for the maintenance of homeostasis. These compounds enable the organism to prepare for, respond to and cope with the acute demands of physical and emotional stressors. The appropriate GC release, commensurate with stressor severity, enables the body to properly contain stress responses so as to promote recovery by rapidly restoring homeostasis. Indeed, inadequate GC release following stress not only delays recovery by disrupting biological homeostasis in the short run but can also interfere with the processing or interpretation of stressful information that results in long-term disruptions in memory integration...
December 2016: Harefuah
https://www.readbyqxmd.com/read/28529912/female-gonadal-hormone-effects-on-microglial-activation-and-functional-outcomes-in-a-mouse-model-of-moderate-traumatic-brain-injury
#6
Odera Umeano, Haichen Wang, Hana Dawson, Beilei Lei, Afoma Umeano, Dawn Kernagis, Michael L James
AIM: To address the hypothesis that young, gonad-intact female mice have improved long-term recovery associated with decreased neuroinflammation compared to male mice. METHODS: Eight to ten week-old male, female, and ovariectomized (OVX) mice underwent closed cranial impact. Gonad-intact female mice were injured only in estrus state. After injury, between group differences were assessed using complementary immunohistochemical staining for microglial cells at 1 h, mRNA polymerase chain reaction for inflammatory markers at 1 h after injury, Rotarod over days 1-7, and water maze on days 28-31 after injury...
May 4, 2017: World Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28529492/depression-in-men-and-women-one-year-following-traumatic-brain-injury-tbi-a-tbi-model-systems-study
#7
Sarah Lavoie, Samantha Sechrist, Nhung Quach, Reza Ehsanian, Thao Duong, Ian H Gotlib, Linda Isaac
In the general population, females experience depression at significantly higher rates than males. Individuals with traumatic brain injury (TBI) are at substantially greater risk for depression compared to the overall population. Treatment of, and recovery from, TBI can be hindered by depression; comorbid TBI and depression can lead to adverse outcomes and negatively affect multiple aspects of individuals' lives. Gender differences in depression following TBI are not well understood, and relevant empirical findings have been mixed...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28529240/protective-effects-of-curcumin-on-manganese-induced-bv-2-microglial-cell-death
#8
Euteum Park, Hong Sung Chun
Curcumin, a bioactive component in tumeric, has been shown to exert antioxidant, anti-inflammatory, anticarcinogenic, hepatoprotective, and neuroprotective effects, but the effects of curcumin against manganese (Mn)-mediated neurotoxicity have not been studied. This study examined the protective effects of curcumin on Mn-induced cytotoxicity in BV-2 microglial cells. Curcumin (0.1-10 μM) dose-dependently prevented Mn (250 μM)-induced cell death. Mn-induced mitochondria-related apoptotic characteristics, such as caspase-3 and -9 activation, cytochrome c release, Bax increase, and Bcl-2 decrease, were significantly suppressed by curcumin...
May 20, 2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28529060/the-effect-of-anxiety-sensitivity-on-psychological-and-biological-variables-during-the-cold-pressor-test
#9
Naomi Dodo, Ryusaku Hashimoto
We examined the relationship between anxiety sensitivity (AS) and autonomic nervous system responses (ANS) during the cold pressor test (CPT). Seventy-four university students participated and were divided into low-AS (M=9.06, SD=3.97) and high-AS groups (M=28.68, SD=6.63) based on AS Index scores (n's=36 and 38, respectively). The study included three phases: Rest, CPT, and Recovery. We measured the psychological variables (fear of pain and subjective pain) at pre- and post-CPT. ANS response data were collected during each phase...
May 13, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28528966/nampt-inhibitor-protects-ischemic-neuronal-injury-in-rat-brain-via-anti-neuroinflammation
#10
Chen-Xiang Chen, Jing Huang, Ga-Qi Tu, Jia-Tong Lu, Xian Xie, Bing Zhao, Ming Wu, Qiao-Juan Shi, San-Hua Fang, Er-Qing Wei, Wei-Ping Zhang, Yun-Bi Lu
Nicotinamide phosphoribosyltransferase (NAMPT) is an important neuroprotective factor in cerebral ischemia, and it has been reported that NAMPT inhibitors can aggravate neuronal injury in the acute phase. However, because it is a cytokine, NAMPT participates in many inflammatory diseases in the peripheral system, and its inhibitors have therapeutic effects. Following cerebral ischemia, the peripheral and resident inflammatory and immune cells produce many pro-inflammatory mediators in the ischemic area, which induce neuroinflammation and impair the brain...
May 18, 2017: Neuroscience
https://www.readbyqxmd.com/read/28528957/proteasomes-in-corneal-epithelial-cells-and-cultured-autologous-oral-mucosal-epithelial-cell-sheet-caomecs-graft-used-for-the-ocular-surface-regeneration
#11
Fawzia Bardag-Gorce, Richard Hoft, Imara Meepe, Julio Garcia, Kumar Tiger, Andrew Wood, Amanda Laporte, Derek Pan, Andrew Makalinao, Robert Niihara, Joan Oliva, Arjie Florentino, Amber M Gorce, Jeremy Stark, Daileen Cortez, Samuel W French, Yutaka Niihara
PURPOSE: This study focuses on characterizing proteasomes in corneal epithelial cells (CEC) and in cultured autologous oral mucosal epithelial cell sheets (CAOMECS) used to regenerate the ocular surface. METHODS: Limbal stem cell deficiency (LSCD) was surgically induced in rabbit corneas. CAOMECS was engineered and grafted onto corneas with LSCD to regenerate the ocular surface. RESULTS: LSCD caused an increase in inflammatory cells in the ocular surface, an increase in the formation of immunoproteasomes (IPR), and a decrease in the formation of constitutive proteasome (CPR)...
May 18, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28528818/patellar-tendon-vibration-reduces-the-increased-facilitation-from-quadriceps-to-soleus-in-post-stroke-hemiparetic-individuals
#12
Eric Maupas, Joseph-Omer Dyer, Sibele de Andrade Melo, Robert Forget
BACKGROUND: Stimulation of the femoral nerve in healthy people can facilitate soleus H-reflex and electromyography (EMG) activity. In stroke patients, such facilitation of transmission in spinal pathways linking the quadriceps and soleus muscles is enhanced and related to co-activation of knee and ankle extensors while sitting and walking. Soleus H-reflex facilitation can be depressed by vibration of the quadriceps in healthy people, but the effects of such vibration have never been studied on the abnormal soleus facilitation observed in people after stroke...
May 18, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28528418/spatial-distribution-and-temporal-trend-of-anthropogenic-organic-compounds-derived-from-the-2011-east-japan-earthquake
#13
Kaoruko Mizukawa, Yasuko Hirai, Hiroyuki Sakakibara, Satoshi Endo, Keiji Okuda, Hideshige Takada, Naoko Murakami-Sugihara, Kotaro Shirai, Hiroshi Ogawa
The tsunami caused by the Great East Japan Earthquake on March 11, 2011 disturbed coastal environments in the eastern Tohoku region in Japan. Numerous terrestrial materials, including anthropogenic organic compounds, were deposited in the coastal zone. To evaluate the impacts of the disaster, we analyzed PCBs, LABs, PAHs, and hopanes in mussels collected from 12 locations in the east of Tohoku during 2011-2015 (series A) by GC-ECD or GC-MS and compared them with results from mussels collected from 22 locations around Japan during 2001-2004 (series B)...
May 20, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28528414/tissue-contaminant-burdens-in-san-francisco-estuary-white-sturgeon-acipenser-transmontanus-implications-for-population-recovery
#14
Deke T Gundersen, Steven C Zeug, Robert B Bringolf, Joseph Merz, Zachary Jackson, Molly A H Webb
The San Francisco Estuary (SFE) is heavily influenced by anthropogenic activities, including historic and chronic contaminant inputs. These contaminants can adversely affect SFE fish populations, particularly white sturgeon, because they are a benthic dwelling, long-lived species. We measured a suite of metals and organic contaminants in liver and gonad tissues of 25 male and 32 female white sturgeon as well as several physiological indicators of sturgeon health. Most sturgeon (68% of males and 83% of females) were estimated to be between 13 and 17 years of age...
May 20, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28528317/levels-of-blood-lead-in-griffon-vultures-from-a-wildlife-rehabilitation-center-in-spain
#15
Fernando González, Irene López, Laura Suarez, Virginia Moraleda, Casilda Rodríguez
Lead is considered a highly toxic contaminant with important impacts to bird wildlife. Griffon vultures (Gyps fulvus) are a sensitive indicator of the level of environmental contamination due to their position at the top of the food chain and their dependence on human activities. The aim of this study was to assess susceptibility to lead intoxication in Griffon vultures admitted to Wildlife Rehabilitation Centers (WRC), measuring blood lead levels and determining if blood lead concentrations are related to clinical signs, hematological, biochemical or radiographic findings...
May 18, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28527784/phrenic-and-hypoglossal-nerve-activity-during-respiratory-response-to-hypoxia-in-6-ohda-unilateral-model-of-parkinson-s-disease
#16
Kryspin Andrzejewski, Krystyna Budzińska, Katarzyna Kaczyńska
AIMS: Parkinson's disease (PD) patients apart from motor dysfunctions exhibit respiratory disturbances. Their mechanism is still unknown and requires investigation. Our research was designed to examine the activity of phrenic (PHR) and hypoglossal (HG) nerves activity during a hypoxic respiratory response in the 6-hydroxydopamine (6-OHDA) model of PD. MAIN METHODS: Male adult Wistar rats were injected unilaterally with 6-OHDA (20μg) or the vehicle into the right medial forebrain bundle (MFB)...
May 17, 2017: Life Sciences
https://www.readbyqxmd.com/read/28527515/optimization-of-critical-medium-components-for-enhancing-antibacterial-thiopeptide-nocathiacin-i-production-with-significantly-improved-quality
#17
Mao-Yu Yang, Jia-Wei Zhang, Xu-Ri Wu, Yi-Jun Chen
Nocathiacin I, a glycosylated thiopeptide antibiotic, displays excellent antibacterial activities against multidrug resistant bacterial pathogens. Previously, a novel nocathiacin I formulation for intravenous administration has been successfully developed and its aqueous solubility is greatly enhanced for clinical application. The purpose of the present study was to increase the fermentation titer of nocathiacin I and reduce or eliminate analogous impurities by screening the medium ingredients using response surface methodology...
April 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28527227/correlation-of-the-gait-speed-with-the-quality-of-life-and-the-quality-of-life-classified-according-to-speed-based-community-ambulation-in-thai-stroke-survivors
#18
Phichamon Khanittanuphong, Suttipong Tipchatyotin
BACKGROUND: Gait abnormality commonly resulted from stroke which affected patients living and probably quality of life (QOL). OBJECTIVE: To assess the relationship between gait speed and the QOL in Thai stroke patients and to compare the QOL among three patient groups that were categorized by gait speed: i) household ambulators <0.4 m/s, ii) limited community ambulators 0.4-0.8 m/s and iii) community ambulators >0.8 m/s. METHODS: This was a cross-sectional descriptive research study...
May 19, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28527224/does-assist-as-needed-upper-limb-robotic-therapy-promote-participation-in-repetitive-activity-based-motor-training-in-sub-acute-stroke-patients-with-severe-paresis
#19
Anne-Gaëlle Grosmaire, Christophe Duret
BACKGROUND: Repetitive, active movement-based training promotes brain plasticity and motor recovery after stroke. Robotic therapy provides highly repetitive therapy that reduces motor impairment. However, the effect of assist-as-needed algorithms on patient participation and movement quality is not known. OBJECTIVE: To analyze patient participation and motor performance during highly repetitive assist-as-needed upper limb robotic therapy in a retrospective study...
May 19, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28527041/mechanisms-of-acupuncture-therapy-for-cerebral-ischemia-an-evidence-based-review-of-clinical-and-animal-studies-on-cerebral-ischemia
#20
REVIEW
Wen Zhu, Yang Ye, Yi Liu, Xue-Rui Wang, Guang-Xia Shi, Shuai Zhang, Cun-Zhi Liu
Ischemic stroke is a major cause of mortality and disability worldwide. As a part of Traditional Chinese Medicine (TCM), acupuncture has been shown to be effective in promoting recovery after stroke. In this article, we review the clinical and experimental studies that demonstrated the mechanisms of acupuncture treatment for cerebral ischemia. Clinical studies indicated that acupuncture activated relevant brain regions, modulated cerebral blood flow and related molecules in stroke patients. Evidence from laboratory indicated that acupuncture regulates cerebral blood flow and metabolism after the interrupt of blood supply...
May 19, 2017: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
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