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https://www.readbyqxmd.com/read/28302024/medicinal-plants-as-protective-strategies-against-parkinson-s-disease
#1
Natalia Areiza Mazo, Valentina Echeverria, Ricardo Cabezas, Marco Ávila-Rodriguez, Gjumrakch Aliev, Jerzy Leszek, George E Barreto
Parkinson´s disease is a neurodegenerative disease caused by the loss of dopaminergic neurons in the substantia nigra pars compacta region. An important mechanism contributing to its development is oxidative stress, induced by the imbalance between the endogenous antioxidant defenses and free radicals production. Naturally occurring bioactive compounds exhibit high antioxidant capacity that may help reducing oxidative stress and even reverse the damage induced by ROS. Fruits are particularly rich in phytochemicals with antioxidant effect, and their properties against the development of neurodegenerative diseases are of great interest...
March 16, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28295846/the-enigmatic-oncogene-and-tumor-suppressor-like-properties-of-rad54b-insights-into-genome-instability-and-cancer
#2
REVIEW
Erin N McAndrew, Kirk J McManus
One of the major challenges to the cell is to ensure genome stability, which can be compromised through endogenous errors or exogenous DNA damaging agents, such as ionizing radiation or common chemotherapeutic agents. To maintain genome stability the cell has a multifaceted line of defense, including cell cycle checkpoints and DNA damage repair pathways. RAD54B is involved in many of these pathways and thus exhibits a role in maintaining and repairing genome stability following DNA damage. RAD54B is involved in cell cycle regulation after DNA damage and participates in homologous recombinational repair, which ensures the precise repair of the most deleterious DNA lesions, double-stranded breaks...
March 13, 2017: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/28293265/iridoid-glycosides-fraction-isolated-from-veronica-ciliata-fisch-protects-against-acetaminophen-induced-liver-injury-in-mice
#3
Shancai Tan, Qiuxia Lu, Yueyue Shu, Yiran Sun, Fang Chen, Lin Tang
Veronica ciliata Fisch. has traditionally been used in Tibetan medicine for the treatment of hepatitis, cholecystitis, rheumatism, and urticaria. We analyzed the chemical composition of the iridoid glycosides fraction (IGF) isolated from V. ciliata and evaluated the antioxidant and hepatoprotective properties. The IGF was separated by high-speed countercurrent chromatography (HSCCC) and the main compounds were identified by ultra-performance liquid chromatography coupled to a photodiode array. We determined the in vitro antioxidant ability of the IGF through radical scavenging assays and assessed the in vivo hepatoprotective potential in an acetaminophen- (APAP-) induced acute liver injury murine model...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28290954/improving-surgical-complications-and-patient-safety-at-the-nation-s-largest-military-hospital-an-analysis-of-national-surgical-quality-improvement-program-data
#4
Steve Maturo, Charlotte Hughes, George Kallingal, Stephen Silvey, A J Johnson, Douglas Soderdahl, Evan Renz, Joseph Brennan
INTRODUCTION: The U.S. Military Health System cares for over 9 million patients and encompasses 63 hospitals and 413 clinics worldwide. Military medicine balances the simultaneous tasks of caring for those patients wounded in military engagements, treating large numbers of families of service men and women, and training the next generation of health care providers and ancillary staff. Similar to civilian health care delivery in the United States, military medicine has also seen increased scrutiny in the areas of cost and quality...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28290953/chief-of-residents-for-quality-improvement-and-patient-safety-a-recipe-for-a-new-role-in-graduate-medical-education
#5
Kelly Ferraro, Randall Zernzach, Stephen Maturo, Christopher Nagy, Rebecca Barrett
INTRODUCTION: The San Antonio Uniformed Services Health Education Consortium (SAUSHEC) is the largest group of residency programs in the Department of Defense. In an effort to provide improved Quality Improvement and Patient Safety (QI/PS) training for its residents, SAUSHEC created the position of Chief of QI/PS for Residents in the academic year 2014-2015. The Chief of QI/PS for Residents was based in the Internal Medicine residency program but also assisted with SAUSHEC-wide QI/PS projects...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28290949/dod-supported-overseas-training-rotations-in-tropical-medicine-and-global-health-2000-2015
#6
James D Mancuso, Patrick W Hickey, Rodney L Coldren, Amy K Korman, Lisa W Keep, Robert F DeFraites, Maria Smith, Luke J Mancuso, Jose L Sanchez
In 1999, the Department of Defense developed a tropical medicine training program (TMTP) to train military physicians, medical students, and scientists in performing surveillance activities in an overseas environment. This review describes the competencies, educational approach, program participants, institutional collaborations, and process outcomes of the TMTP from 2000 to 2015. TMTP-sponsored rotations addressed a wide variety of interdisciplinary competencies, many of which have military-unique applications...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28290932/primary-care-of-men-who-have-sex-with-men-in-the-u-s-military-in-the-post-don-t-ask-don-t-tell-era-a-review-of-recent-progress-health-needs-and-challenges
#7
Wesley R Campbell, Mojgan Jahan, Mary F Bavaro, Robert J Carpenter
BACKGROUND: With repeal of "Don't Ask, Don't Tell" (DADT) in 2011 and the Supreme Court decision regarding Section 3 of the Defense of Marriage Act (DOMA) in 2013, military providers are now able to openly address unique health needs of lesbian, gay, and bisexual (LGB) service members and their same-sex spouse beneficiaries. These federal laws created health care barriers, either real or perceived, between providers and patients and often limited medical research involving LGB patients in the Military Health System (MHS)...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28290931/prophylactic-ankle-bracing-in-military-settings-a-review-of-the-literature
#8
Thomas M Newman, Michael R Gay, W E Buckley
BACKGROUND: Within athletics and the military, ankle sprains are one of the most common injuries with the potential for long-term functional deficits. Incidence rates for ankle sprains within the military are one of the leading causes of limited duty days, especially during basic combat training, parachute training exercises, and in cadet populations. In 2008, the Department of Defense U.S. Army Center for Health Promotion and Preventative Medicine report recommended that military personnel should wear semirigid ankle braces during parachuting, basketball, soccer, and other similar high-risk activities to reduce ankle sprain injuries...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28290925/two-decades-of-saving-lives-on-the-battlefield-tactical-combat-casualty-care-turns-20
#9
Frank K Butler
BACKGROUND: Twenty years ago, the original Tactical Combat Casualty Care (TCCC) article was published in this journal. Since TCCC is essentially a set of best-practice prehospital trauma care guidelines customized for use on the battlefield, the presence of a journal with a specific focus on military medicine was a profound benefit to the initial presentation of TCCC to the U.S. Military. METHODS: In the two ensuing decades, which included the longest continuous period of armed conflict in our nation's history, TCCC steadily evolved as the prehospital trauma care evidence base was augmented and as feedback from user medics, corpsmen, and pararescuemen was obtained...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28273165/transcriptome-profiling-of-influenza-a-virus-infected-lung-epithelial-a549-cells-with-lariciresinol-4-%C3%AE-d-glucopyranoside-treatment
#10
Beixian Zhou, Jing Li, Xiaoli Liang, Zifeng Yang, Zhihong Jiang
The influenza A virus is an acute contagious pathogen that affects the human respiratory system and can cause severe lung disease and even death. Lariciresinol-4-β-D-glucopyranoside is a lignan that is extracted from Isatis indigotica, which is a medicinal herb plant that was commonly applied to treat infections, the common cold, fever and inflammatory diseases. Our previous study demonstrated that lariciresinol-4-β-D-glucopyranoside possesses anti-viral and anti-inflammatory properties. However, the comprehensive and detailed mechanisms that underlie the effect of lariciresinol-4-β-D-glucopyranoside interventions against influenza virus infection remain to be elucidated...
2017: PloS One
https://www.readbyqxmd.com/read/28265620/glycine-functionalized-copper-ii-hydroxide-nanoparticles-with-high-intrinsic-superoxide-dismutase-activity
#11
Karsten Korschelt, Ruben Ragg, Carmen S Metzger, Martin Kluenker, Michael Oster, Bastian Barton, Martin Panthöfer, Dennis Strand, Ute Kolb, Mihail Mondeshki, Susanne Strand, Jürgen Brieger, M Nawaz Tahir, Wolfgang Tremel
Superoxide dismutases (SOD) are a group of enzymes that catalyze the dismutation of superoxide (O2(-)) radicals into molecular oxygen (O2) and H2O2 as a first line of defense against oxidative stress. Here, we show that glycine-functionalized copper(ii) hydroxide nanoparticles (Gly-Cu(OH)2 NPs) are functional SOD mimics, whereas bulk Cu(OH)2 is insoluble in water and catalytically inactive. In contrast, Gly-Cu(OH)2 NPs form water-dispersible mesocrystals with a SOD-like activity that is larger than that of their natural CuZn enzyme counterpart...
March 7, 2017: Nanoscale
https://www.readbyqxmd.com/read/28261616/the-protective-effect-of-chrysanthemum-indicum-extract-against-ankylosing-spondylitis-in-mouse-models
#12
Mei Dong, Dongsheng Yu, Veeramuthu Duraipandiyan, Naif Abdullah Al-Dhabi
In traditional Chinese and Korean homeopathic medicine, Chrysanthemum indicum Linné (Asteraceae) is a time-honored herb, prescribed for the resolution of symptoms associated with inflammatory and hypertensive conditions as well as those affecting the lungs and its associated structures. The goal of this work is to investigate the defensive role of Chrysanthemum indicum extract in fighting ankylosing spondylitis (AS) using mouse models, through which the manifestation and extent of the disease progression were measured with quantitative analysis of the intervertebral joints...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28244162/exploring-the-effect-of-ginsenoside-rh1-in-a-sleep-deprivation-induced-mouse-memory-impairment-model
#13
Cong Lu, Zhe Shi, Liming Dong, Jingwei Lv, Pan Xu, Yinghui Li, Lina Qu, Xinmin Liu
Panax ginseng C.A. Meyer (Araliaceae) has been used in traditional Chinese medicine for enhancing cognition for thousands of years. Ginsenoside Rh1, a constituent of ginseng root, as with other constituents, has memory-improving effects in normal mice and scopolamine-induced amnesic mice. Sleep deprivation (SD) is associated with memory impairment through induction of oxidative stress. The present study investigated the effect of Rh1 against SD-induced cognitive impairment and attempted to define the possible mechanisms involved...
February 28, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28235986/-fecal-microbiota-transplantation
#14
C Lübbert, B Salzberger, J Mössner
The human intestinal microbiome has important metabolic and immunological functions for the host and is part of the defense against pathogens in the gastrointestinal tract. Antibiotics, probiotics, dietary measures, such as prebiotics, and the relatively newly established method of fecal microbiota transplantation (FMT, also known as fecal microbiome transfer) all influence the intestinal microbiome. The FMT procedure comprises the transmission of fecal microorganisms from a healthy donor into the gastrointestinal tract of a patient...
February 24, 2017: Der Internist
https://www.readbyqxmd.com/read/28220135/differential-gene-expression-analysis-in-polygonum-minus-leaf-upon-24-h-of-methyl-jasmonate-elicitation
#15
Reyhaneh Rahnamaie-Tajadod, Kok-Keong Loke, Hoe-Han Goh, Normah M Noor
Polygonum minus is an herbal plant that grows in Southeast Asian countries and traditionally used as medicine. This plant produces diverse secondary metabolites such as phenolic compounds and their derivatives, which are known to have roles in plant abiotic and biotic stress responses. Methyl jasmonate (MeJA) is a plant signaling molecule that triggers transcriptional reprogramming in secondary metabolism and activation of defense responses against many biotic and abiotic stresses. However, the effect of MeJA elicitation on the genome-wide expression profile in the leaf tissue of P...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28215278/nucleic-acid-immunity
#16
G Hartmann
Organisms throughout biology need to maintain the integrity of their genome. From bacteria to vertebrates, life has established sophisticated mechanisms to detect and eliminate foreign genetic material or to restrict its function and replication. Tremendous progress has been made in the understanding of these mechanisms which keep foreign or unwanted nucleic acids from viruses or phages in check. Mechanisms reach from restriction-modification systems and CRISPR/Cas in bacteria and archaea to RNA interference and immune sensing of nucleic acids, altogether integral parts of a system which is now appreciated as nucleic acid immunity...
2017: Advances in Immunology
https://www.readbyqxmd.com/read/28198622/a-cell-penetrant-manganese-superoxide-dismutase-mnsod-mimic-is-able-to-complement-mnsod-and-exerts-an-antiinflammatory-effect-on-cellular-and-animal-models-of-inflammatory-bowel-diseases
#17
Emilie Mathieu, Anne-Sophie Bernard, Nicolas Delsuc, Elodie Quévrain, Géraldine Gazzah, Barry Lai, Florian Chain, Philippe Langella, Maria Bachelet, Joelle Masliah, Philippe Seksik, Clotilde Policar
Inorganic complexes are increasingly used for biological and medicinal applications, and the question of the cell penetration and distribution of metallodrugs is key to understanding their biological activity. Oxidative stress is known to be involved in inflammation and in inflammatory bowel diseases for which antioxidative defenses are weakened. We report here the study of the manganese complex Mn1 mimicking superoxide dismutase (SOD), a protein involved in cell protection against oxidative stress, using an approach in inorganic cellular chemistry combining the investigation of Mn1 intracellular speciation using mass spectrometry and of its quantification and distribution using electron paramagnetic resonance and spatially resolved X-ray fluorescence with evaluation of its biological activity...
February 15, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28176198/constituents-of-leaves-from-bauhinia-curvula-benth-exert-gastroprotective-activity-in-rodents-role-of-quercitrin-and-kaempferol
#18
Ana Paula Beber, Priscila de Souza, Thaise Boeing, Lincon Bordignon Somensi, Luísa Nathália Bolda Mariano, Benhur Judah Cury, Ligia Moura Burci, Cristiane Bezerra da Silva, Euclésio Simionatto, Sérgio Faloni de Andrade, Luísa Mota da Silva
The Bauhinia genus is known as "Pata-de-Vaca" and a wide variety of these species are used in Brazilian folk medicine due to their gastroprotective properties. This study aimed to investigate the antiulcer efficacy of the hydroalcoholic extract from B. curvula (HEBC) leaves, as well as its semi-purified fraction (SPFr) and the contribution of their phytochemicals constituents for this effect. For that, ethanol 60%/HCl 0.3 M- and indomethacin-induced gastric ulcer were performed in rodents. Gastric ulcerated tissues were processed for histological, histochemical and biochemical analysis...
February 7, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28164123/novel-approach-to-classify-plants-based-on-metabolite-content-similarity
#19
Kang Liu, Azian Azamimi Abdullah, Ming Huang, Takaaki Nishioka, Md Altaf-Ul-Amin, Shigehiko Kanaya
Secondary metabolites are bioactive substances with diverse chemical structures. Depending on the ecological environment within which they are living, higher plants use different combinations of secondary metabolites for adaptation (e.g., defense against attacks by herbivores or pathogenic microbes). This suggests that the similarity in metabolite content is applicable to assess phylogenic similarity of higher plants. However, such a chemical taxonomic approach has limitations of incomplete metabolomics data...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28162767/transcriptome-profiling-of-the-australian-arid-land-plant-eremophila-serrulata-a-dc-druce-scrophulariaceae-for-the-identification-of-monoterpene-synthases
#20
Octavia Natascha Kracht, Ann-Christin Ammann, Julia Stockmann, Daniel Wibberg, Jörn Kalinowski, Markus Piotrowski, Russell Kerr, Thomas Brück, Robert Kourist
Plant terpenoids are a large and highly diverse class of metabolites with an important role in the immune defense. They find wide industrial application as active pharmaceutical ingredients, aroma and fragrance compounds. Several Eremophila sp. derived terpenoids have been documented. To elucidate the terpenoid metabolism, the transcriptome of juvenile and mature Eremophila serrulata (A.DC.) Druce (Scrophulariaceae) leaves was sequenced and a transcript library was generated. We report on the first transcriptomic dataset of an Eremophila plant...
April 2017: Phytochemistry
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