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https://www.readbyqxmd.com/read/27931128/antioxidant-activities-of-ginsenoside-rg1-against-cisplatin-induced-hepatic-injury-through-nrf2-signaling-pathway-in-mice
#1
Yan Gao, Shifeng Chu, Qianhang Shao, Meijin Zhang, Congyuan Xia, Yingying Wang, Yueting Li, Yuxia Lou, Huiyong Huang, Naihong Chen
Oxidative stress is mainly caused by reactive oxygen species (ROS). The damage causes a net stress on normal organs, leading to a gradual loss of vital physiological function. ROS, such as free radicals, represent a class of molecules which are derived from the metabolism of oxygen and exist inherently. However, excessive produced ROS can damage all aerobic organisms. Ginseng is one of the most commonly used alternative herbal medicines, also as a traditional Chinese medicine. The aim of this study is to investigate the antioxidant potential function of ginsenoside Rg1 against cisplatin-caused hepatic damage...
December 8, 2016: Free Radical Research
https://www.readbyqxmd.com/read/27921031/amniotic-epithelial-cells-a-new-tool-to-combat-aging-and-age-related-diseases
#2
Clara Di Germanio, Michel Bernier, Rafael de Cabo, Barbara Barboni
The number of elderly people is growing at an unprecedented rate and this increase of the aging population is expected to have a direct impact on the incidence of age-related diseases and healthcare-associated costs. Thus, it is imperative that new tools are developed to fight and slow age-related diseases. Regenerative medicine is a promising strategy for the maintenance of health and function late in life; however, stem cell-based therapies face several challenges including rejection and tumor transformation...
2016: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/27911955/scholarly-context-adrift-three-out-of-four-uri-references-lead-to-changed-content
#3
Shawn M Jones, Herbert Van de Sompel, Harihar Shankar, Martin Klein, Richard Tobin, Claire Grover
Increasingly, scholarly articles contain URI references to "web at large" resources including project web sites, scholarly wikis, ontologies, online debates, presentations, blogs, and videos. Authors reference such resources to provide essential context for the research they report on. A reader who visits a web at large resource by following a URI reference in an article, some time after its publication, is led to believe that the resource's content is representative of what the author originally referenced...
2016: PloS One
https://www.readbyqxmd.com/read/27904956/some-nontoxic-metal-based-drugs-for-selected-prevalent-tropical-pathogenic-diseases
#4
REVIEW
Saliu A Amolegbe, Caroline A Akinremi, Sheriff Adewuyi, Amudat Lawal, Mercy O Bamigboye, Joshua A Obaleye
Metal coordination of bioorganic compounds from both natural and synthetic products is not only gaining recognition in drug design and medicinal inorganic chemistry research, also they are being considered in the improvement of the bioactivity of drugs. What is done in this paper is a review of recent advances in the study of coordination-driven drug delivery, i.e., metal-based drugs (MBDs). The role of some late first row transition metal ions namely Fe, Cu and Zn in the biological activities of metallodrugs such as antimalarials and antimicrobials are highlighted...
November 30, 2016: Journal of Biological Inorganic Chemistry: JBIC
https://www.readbyqxmd.com/read/27899918/mechanistic-basis-of-antimicrobial-actions-of-silver-nanoparticles
#5
REVIEW
Tikam Chand Dakal, Anu Kumar, Rita S Majumdar, Vinod Yadav
Multidrug resistance of the pathogenic microorganisms to the antimicrobial drugs has become a major impediment toward successful diagnosis and management of infectious diseases. Recent advancements in nanotechnology-based medicines have opened new horizons for combating multidrug resistance in microorganisms. In particular, the use of silver nanoparticles (AgNPs) as a potent antibacterial agent has received much attention. The most critical physico-chemical parameters that affect the antimicrobial potential of AgNPs include size, shape, surface charge, concentration and colloidal state...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27865713/platensimycin-and-platencin-inspirations-for-chemistry-biology-enzymology-and-medicine
#6
REVIEW
Jeffrey D Rudolf, Liao-Bin Dong, Ben Shen
Natural products have served as the main source of drugs and drug leads, and natural products produced by microorganisms are one of the most prevalent sources of clinical antibiotics. Their unparalleled structural and chemical diversities provide a basis to investigate fundamental biological processes while providing access to a tremendous amount of chemical space. There is a pressing need for novel antibiotics with new mode of actions to combat the growing challenge of multidrug resistant pathogens. This review begins with the pioneering discovery and biological activities of platensimycin (PTM) and platencin (PTN), two antibacterial natural products isolated from Streptomyces platensis...
November 16, 2016: Biochemical Pharmacology
https://www.readbyqxmd.com/read/27865394/recent-developments-in-genomics-bioinformatics-and-drug-discovery-to-combat-emerging-drug-resistant-tuberculosis
#7
REVIEW
Soumya Swaminathan, Jagadish Chandrabose Sundaramurthi, Alangudi Natarajan Palaniappan, Sujatha Narayanan
Emergence of drug-resistant tuberculosis (DR-TB) is a big challenge in TB control. The delay in diagnosis of DR-TB leads to its increased transmission, and therefore prevalence. Recent developments in genomics have enabled whole genome sequencing (WGS) of Mycobacterium tuberculosis (M. tuberculosis) from 3-day-old liquid culture and directly from uncultured sputa, while new bioinformatics tools facilitate to determine DR mutations rapidly from the resulting sequences. The present drug discovery and development pipeline is filled with candidate drugs which have shown efficacy against DR-TB...
December 2016: Tuberculosis
https://www.readbyqxmd.com/read/27849457/the-center-for-rehabilitation-sciences-research-advancing-the-rehabilitative-care-for-service-members-with-complex-trauma
#8
Brad M Isaacson, Brad D Hendershot, Seth D Messinger, Jason M Wilken, Christopher A Rábago, Elizabeth Russell Esposito, Erik Wolf, Alison L Pruziner, Christopher L Dearth, Marilynn Wyatt, Steven P Cohen, Jack W Tsao, Paul F Pasquina
The Center for Rehabilitation Sciences Research (CRSR) was established to advance the rehabilitative care for service members with combat-related injuries, particularly those with orthopedic, cognitive, and neurological complications. The center supports comprehensive research projects to optimize treatment strategies and promote the successful return to duty and community reintegration of injured service members. The center also provides a unique platform for fostering innovative research and incorporating clinical/technical advances in the rehabilitative care for service members...
November 2016: Military Medicine
https://www.readbyqxmd.com/read/27849039/an-insecticide-resistance-breaking-mosquitocide-targeting-inward-rectifier-potassium-channels-in-vectors-of-zika-virus-and-malaria
#9
Daniel R Swale, Darren W Engers, Sean R Bollinger, Aaron Gross, Edna Alfaro Inocente, Emily Days, Fariba Kanga, Reed M Johnson, Liu Yang, Jeffrey R Bloomquist, Corey R Hopkins, Peter M Piermarini, Jerod S Denton
Insecticide resistance is a growing threat to mosquito control programs around the world, thus creating the need to discover novel target sites and target-specific compounds for insecticide development. Emerging evidence suggests that mosquito inward rectifier potassium (Kir) channels represent viable molecular targets for developing insecticides with new mechanisms of action. Here we describe the discovery and characterization of VU041, a submicromolar-affinity inhibitor of Anopheles (An.) gambiae and Aedes (Ae...
November 16, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27845274/potential-applications-of-antimicrobial-peptides-and-their-mimics-in-combating-caries-and-pulpal-infections
#10
REVIEW
Sui Mai, Matthew T Mauger, Li-Na Niu, Jonathan B Barnes, Solon Kao, Brian E Bergeron, Jun-Qi Ling, Franklin R Tay
: Antimicrobial peptides (AMPs) are short cationic host-defense molecules that provide the early stage of protection against invading microbes. They also have important modulatory roles and act as a bridge between innate and acquired immunity. The types and functions of oral AMPs were reviewed and experimental reports on the use of natural AMPs and their synthetic mimics in caries and pulpal infections were discussed. Natural AMPs in the oral cavity, predominantly defensins, cathelidin and histatins, possess antimicrobial activities against oral pathogens and biofilms...
November 11, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27845266/psidium-guajava-l-from-ethnobiology-to-scientific-evaluation-elucidating-bioactivity-against-pathogenic-microorganisms
#11
REVIEW
Maria Flaviana B Morais-Braga, Joara Nalyda P Carneiro, Antonio Júdson T Machado, Antonia Thassya L Dos Santos, Débora L Sales, Luciene F Lima, Fernando G Figueredo, Henrique Douglas M Coutinho
ETHNOPHARMACOLOGICAL RELEVANCE: The use of popular plants has guided pharmaceutical research aimed at combating pathogenic microorganisms. Psidium guajava L. is a plant of great versatility and it has been used both as food and as a therapeutic agent. Root, bark, leaves, fruits, flowers and seeds are used for medicinal purposes, especially in infusions and decoctions for oral and topical use. P. guajava is utilized in symptomatology treatment related to organ malfunction and of diseases caused by the action of pathogenic and/or opportunistic microorganisms...
November 11, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27814611/targeted-drugs-and-diagnostic-assays-companions-in-the-race-to-combat-ethnic-disparity
#12
Nikita Wright, Padmashree Rida, Uma Krishnamurti, Xiaoxian Li, Ritu Aneja
African Americans (AAs) are more likely than European Americans to develop aggressive breast cancer subtypes, and have higher recurrence and mortality rates; this results in a stark breast-cancer related ethnic disparity in clinical outcomes. In this era of personalized oncology, companion diagnostics (CDx) are transforming the cancer treatment narrative slowly but steadily, by enabling the use of safety and/or efficacy biomarkers to stratify patient populations, and thus ensuring more effective deployment of targeted therapeutics...
January 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/27812230/time-to-response-toxicity-analysis-as-a-method-for-drug-susceptibility-assessment-in-salmon-lice
#13
Greta Carmona-Antoñanzas, Joseph L Humble, Stephen N Carmichael, Jan Heumann, Hayden R L Christie, Darren M Green, David I Bassett, James E Bron, Armin Sturm
: The salmon louse Lepeophtheirus salmonis (Krøyer, 1837) is an ectoparasite causing infections of wild and farmed Atlantic salmon (Salmo salar L.) in the Northern hemisphere. While L. salmonis control at commercial mariculture sites increasingly employs non-medicinal approaches, such as cage designs reducing infection rates and biological control through cleaner fish, anti-parasitic drugs are still a requirement for effective fish health care. With only a limited range of salmon delousing agents available, all of which have been in use for more than a decade, drug resistance formation has been reported for different products...
November 1, 2016: Aquaculture
https://www.readbyqxmd.com/read/27809883/alternatives-to-currently-used-antimalarial-drugs-in-search-of-a-magic-bullet
#14
REVIEW
Akshaya Srikanth Bhagavathula, Asim Ahmed Elnour, Abdulla Shehab
Malaria is a major cause of morbidity and mortality in many African countries and parts of Asia and South America. Novel approaches to combating the disease have emerged in recent years and several drug candidates are now being tested clinically. However, it is long before these novel drugs can hit the market, especially due to a scarcity of safety and efficacy data.To reduce the malaria burden, the Medicines for Malaria Venture (MMV) was established in 1999 to develop novel medicines through industry and academic partners' collaboration...
November 4, 2016: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/27809394/precision-wildlife-medicine-applications-of-the-human-centred-precision-medicine-revolution-to-species-conservation
#15
Jenny Whilde, Mark Q Martindale, David J Duffy
The current species extinction crisis is being exacerbated by an increased rate of emergence of epizootic disease. Human-induced factors including habitat degradation, loss of biodiversity and wildlife population reductions resulting in reduced genetic variation are accelerating disease emergence. Novel, efficient and effective approaches are required to combat these epizootic events. Here, we present the case for the application of human precision medicine approaches to wildlife medicine in order to enhance species conservation efforts...
November 3, 2016: Global Change Biology
https://www.readbyqxmd.com/read/27793177/approaches-to-modernize-the-combination-drug-development-paradigm
#16
REVIEW
Daphne Day, Lillian L Siu
Recent advances in genomic sequencing and omics-based capabilities are uncovering tremendous therapeutic opportunities and rapidly transforming the field of cancer medicine. Molecularly targeted agents aim to exploit key tumor-specific vulnerabilities such as oncogenic or non-oncogenic addiction and synthetic lethality. Additionally, immunotherapies targeting the host immune system are proving to be another promising and complementary approach. Owing to substantial tumor genomic and immunologic complexities, combination strategies are likely to be required to adequately disrupt intricate molecular interactions and provide meaningful long-term benefit to patients...
October 28, 2016: Genome Medicine
https://www.readbyqxmd.com/read/27791467/identification-of-natural-products-with-neuronal-and-metabolic-benefits-through-autophagy-induction
#17
Yuying Fan, Nan Wang, Altea Rocchi, Weiran Zhang, Robert Vassar, Yifa Zhou, Congcong He
Autophagy is a housekeeping lysosomal degradation pathway important for cellular survival, homeostasis and function. Various disease models have shown that upregulation of autophagy may be beneficial to combat disease pathogenesis. However, despite several recently reported small-molecule screens for synthetic autophagy inducers, natural chemicals of diverse structures and functions have not been included in the synthetic libraries, and characterization of their roles in autophagy has been lacking. To discover novel autophagy-regulating compounds and study their therapeutic mechanisms, we used analytic chemistry approaches to isolate natural phytochemicals from a reservoir of medicinal plants used in traditional remedies...
October 28, 2016: Autophagy
https://www.readbyqxmd.com/read/27790424/efficacy-of-aqueous-and-methanolic-extracts-of-rheum-spiciformis-against-pathogenic-bacterial-and-fungal-strains
#18
Khalid Bashir Dar, Aashiq Hussain Bhat, Shajrul Amin, Suhail Anees, Akbar Masood, Mohammed Iqbal Zargar, Showkat Ahmad Ganie
INTRODUCTION: Rheum spiciformis is a newly identified edible medicinal plant of genus Rheum. The plant is used to treat various diseases on traditional levels in Kashmir Valley, India. AIM: To evaluate the phytochemical screening, antibacterial and antifungal potential of aqueous and methanolic extracts of Rheum spiciformis, a traditionally used edible medicinal plant. MATERIALS AND METHODS: Methanolic and aqueous extracts of Rheum spiciformis were tested for their antimicrobial activities against six bacterial strains namely Bacillus subtilis, Staphylococcus aureus, Klebsiella pneumoniae, Pseudomonas aeruginosa, Proteus vulgaris and Escherichia coli and four fungal strains Penicillium chrysogenum, Aspergillus fumigatus, Candida albicans and Saccharomyces cerevisiae...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27784222/endophytic-peptides-a-source-of-therapeutic-agents
#19
Keerthi Kumari Chikkode Narayana, Jamuna Bai Aswathanarayan, Ravishankar Rai Vittal
Endophytic peptides (EPPs) have been considered as potential therapeutic sources of future antibiotics because of their broad-spectrum activities and different mechanisms of action compared to the conventional antibiotics. The world human population is increasingly facing different types of health issues. For instance, emerging wide array of the drug-resistant pathogens is a health concern. Research on bioactive agents and other natural products of microbes is essential to combat emerging antimicrobial resistance...
October 25, 2016: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/27782287/graphical-presentation-of-patient-treatment-interaction-elucidated-by-continuous-biomarkers-current-practice-and-scope-for-improvement
#20
Yu-Ming Shen, Lien D Le, Rory Wilson, Ulrich Mansmann
BACKGROUND: Biomarkers providing evidence for patient-treatment interaction are key in the development and practice of personalized medicine. Knowledge that a patient with a specific feature - as demonstrated through a biomarker - would have an advantage under a given treatment vs. a competing treatment can aid immensely in medical decision-making. Statistical strategies to establish evidence of continuous biomarkers are complex and their formal results are thus not easy to communicate...
October 26, 2016: Methods of Information in Medicine
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