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https://www.readbyqxmd.com/read/28528940/macromolecular-agents-with-antimicrobial-potentialities-a-drive-to-combat-antimicrobial-resistance
#1
REVIEW
Muhammad Bilal, Tahir Rasheed, Hafiz M N Iqbal, Hongbo Hu, Wei Wang, Xuehong Zhang
In recent years, the antimicrobial resistance (AMR) or multidrug resistance (MDR) has become a serious health concern and major challenging issue, worldwide. After decades of negligence, the AMR has now captured global attention. The increasing number of antibiotic-resistant strains has threatened the achievements of science and medicine since it inactivates conventional antimicrobial therapeutics. Scientists are trying to respond to AMR/MDR threat by exploring innovative platforms and new therapeutic strategies to tackle infections from these resistant strains and bypass treatment limitations related to these pathologies...
May 18, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28527355/antimycotic-activity-of-fengycin-c-biosurfactant-and-its-interaction-with-phosphatidylcholine-model-membranes
#2
Lina María González-Jaramillo, Francisco José Aranda, José Antonio Teruel, Valeska Villegas-Escobar, Antonio Ortiz
Lipopeptide biosurfactants constitute one of the most promising groups of compounds for the treatment and prevention of fungal diseases in plants. Bacillus subtilis strain EA-CB0015 produces iturin A, fengycin C and surfactin and it has been proven useful for the treatment of black Sigatoka disease in banana plants, an important pathology caused by the fungus Mycosphaerella fijiensis (Morelet). We have found that B. subtilis EA-CB0015 cell free supernatants and purified fractions inhibit M. fijiensis cellular growth...
May 10, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28525602/aloin-a-component-of-the-aloe-vera-plant-leaf-induces-pathological-changes-and-modulates-the-composition-of-microbiota-in-the-large-intestine-of-f344-n-male-rats
#3
Mary D Boudreau, Greg R Olson, Volodymyr P Tryndyak, Matthew S Bryant, Robert P Felton, Frederick A Beland
In a previous study, the oral administration of an Aloe vera whole leaf extract induced dose-related mucosal and goblet cell hyperplasia in the rat colon after 13-weeks and colon cancer after two years. The primary goal of this study was to determine whether or not the administration of aloin, a component of the Aloe vera plant leaf, would replicate the pathophysiological effects that were observed in rats in the previous study with an Aloe vera whole leaf extract. Groups of 10 male F344/N rats were administered aloin at 0, 6...
May 19, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28512713/matairesinol-suppresses-neuroinflammation-and-migration-associated-with-src-and-erk1-2-nf-%C3%AE%C2%BAb-pathway-in-activating-bv2-microglia
#4
Peng Xu, Meng-Wei Huang, Chen-Xi Xiao, Fen Long, Ying Wang, Si-Yu Liu, Wan-Wan Jia, Wei-Jun Wu, Di Yang, Jin-Feng Hu, Xin-Hua Liu, Yi-Zhun Zhu
Chronic neuroinflammation is a pathological feature of neurodegenerative diseases. Inhibition of microglia-mediated neuroinflammation might be a potential strategy for neurodegeneration. Matairesinol, a dibenzylbutyrolactone plant lignan, presents in a wide variety of foodstuffs. It has been found to possess anti-angiogenic, anti-oxidative, anti-cancer and anti-fungal activities. In the present study, we investigated the anti-neuroinflammation effects of matairesinol on lipopolysaccharide (LPS)-induced BV2 microglia cells and the related molecular mechanisms...
May 17, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28511420/effect-of-intraperitoneal-injection-of-saffron-on-the-treatment-of-experimental-endotoxin-induced-uveitis-in-the-rabbit
#5
Mohammad Reza Talebnejad, Kazem Soltanzadeh, Eghtedari Masoomeh, Masoud Yasemi, Mohammad Reza Khalili, Sherafat Maryam
INTRODUCTION: Saffron with scientific name of "Crocus sativus" from the family "Iridaceae" is a plant without stem and root. Antioxidative and immunomodulatory effects of saffron has been demonstrated in different studies. AIM: To assess the effects of saffron in the treatment on Lipopolysaccharide (LPS) induced uveitis in the rabbit. MATERIALS AND METHODS: Thirty healthy female New Zealand white rabbits were prepared. LPS induced uveitis was confirmed via slit lamp examination 24 hours after intravitreal injection of Salmonella typhimurium LPS endotoxin in the right eye of all rabbits...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28508084/clinicopathologic-and-molecular-spectrum-of-rnaseh1-related-mitochondrial-disease
#6
Enrico Bugiardini, Olivia V Poole, Andreea Manole, Alan M Pittman, Alejandro Horga, Iain Hargreaves, Cathy E Woodward, Mary G Sweeney, Janice L Holton, Jan-Willem Taanman, Gordon T Plant, Joanna Poulton, Massimo Zeviani, Daniele Ghezzi, John Taylor, Conrad Smith, Carl Fratter, Meena A Kanikannan, Arumugam Paramasivam, Kumarasamy Thangaraj, Antonella Spinazzola, Ian J Holt, Henry Houlden, Michael G Hanna, Robert D S Pitceathly
OBJECTIVE: Pathologic ribonuclease H1 (RNase H1) causes aberrant mitochondrial DNA (mtDNA) segregation and is associated with multiple mtDNA deletions. We aimed to determine the prevalence of RNase H1 gene (RNASEH1) mutations among patients with mitochondrial disease and establish clinically meaningful genotype-phenotype correlations. METHODS: RNASEH1 was analyzed in patients with (1) multiple deletions/depletion of muscle mtDNA and (2) mendelian progressive external ophthalmoplegia (PEO) with neuropathologic evidence of mitochondrial dysfunction, but no detectable multiple deletions/depletion of muscle mtDNA...
June 2017: Neurology. Genetics
https://www.readbyqxmd.com/read/28503087/established-human-cell-lines-as-models-to-study-anti-leukemic-effects-of-flavonoids
#7
EDITORIAL
Katrin Sak, Hele Everaus
Despite the extensive work on pathological mechanisms and some recent advances in the treatment of different hematological malignancies, leukemia continues to present a significant challenge being frequently considered as incurable disease. Therefore, the development of novel therapeutic agents with high efficacy and low toxicity is urgently needed to improve the overall survival rate of patients. In this comprehensive review article, the current knowledge about the anticancer activities of flavonoids as plant secondary polyphenolic metabolites in the most commonly used human established leukemia cell lines (HL-60, NB4, KG1a, U937, THP-1, K562, Jurkat, CCRF- CEM, MOLT-3, and MOLT-4) is compiled, revealing clear anti-proliferative, pro-apoptotic, cell cycle arresting, and differentiation inducing effects for certain compounds...
February 2017: Current Genomics
https://www.readbyqxmd.com/read/28498240/simple-vaginal-trachelectomy-a-valuable-fertility-preserving-option-in-early-stage-cervical-cancer
#8
Marie Plante, Marie-Claude Renaud, Alexandra Sebastianelli, Jean Gregoire
OBJECTIVE: Radical trachelectomy is a valid alternative for the treatment of early-stage cervical cancer in young women who wish to preserve fertility potential. Recent data indicate that even less radical surgery could be performed in low-risk cases. The objective of our study was to evaluate the safety of simple vaginal trachelectomy and node assessment in patients with low-risk, early-stage cervical cancer (<2 cm). METHODS: From May 2007 to July 2016, 35 women underwent a simple vaginal trachelectomy with laparoscopic sentinel lymph node mapping + pelvic node dissection...
June 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28498017/dietary-supplements-as-surrogate-of-mediterranean-diet-in-healthy-smoking-subjects
#9
Sonya Vasto, Giulia Accardi, Anna Aiello, Francesca Di Gaudio, Annalisa Barera, Serena Indelicato, Damiano Galimberti, Emilio Italiano, Roberto Monastero, Claudia Rizzo, Calogero Caruso, Giuseppina Candore
The interventions to slow ageing, favouring active life expectancy, represent the new perspectives in ageing investigation. Some mechanisms that delay or prevent the onset of ageing pathologies have been identified. Between them, a healthy lifestyle seems to reduce many risk factors. In particular, eating habits represent the most concrete, low cost way to act on ageing process. Mediterranean diet has received much attention since it has been consistently demonstrated its anti-oxidant and anti-inflammatory effects...
May 12, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28496071/solubility-based-separation-and-purification-of-long-chain-chitin-oligosaccharides-with-an-organic-water-mixed-solvent
#10
Hajime Katano, Shota Noba, Kimihiko Sato, Hisashi Kimoto
A simple and rapid method for separation and purification of chitin oligosaccharides, (GlcNAc)n, with n ≥ 5 is presented. A commercially available chitin oligosaccharides sample, consisting of (GlcNAc)n with n = 1 - 7, was used as the starting material. Ten milligrams of the material was mixed with 100 μL of the 1 mol/L HCl. All the (GlcNAc)n species were dissolved in the aqueous medium. The aqueous solution was mixed with 900 μL of EtOH; the mixture was centrifuged, and the supernatant was removed to obtain a precipitate...
2017: Analytical Sciences: the International Journal of the Japan Society for Analytical Chemistry
https://www.readbyqxmd.com/read/28491068/phytoplasmas-the-crouching-tiger-threat-of-australian-plant-pathology
#11
REVIEW
Jian Liu, David Gopurenko, Murray J Fletcher, Anne C Johnson, Geoff M Gurr
Phytoplasmas are insect-vectored bacteria that cause disease in a wide range of plant species. The increasing availability of molecular DNA analyses, expertise and additional methods in recent years has led to a proliferation of discoveries of phytoplasma-plant host associations and in the numbers of taxonomic groupings for phytoplasmas. The widespread use of common names based on the diseases with which they are associated, as well as separate phenetic and taxonomic systems for classifying phytoplasmas based on variation at the 16S rRNA-encoding gene, complicates interpretation of the literature...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28487653/chinese-herbal-medicines-attenuate-acute-pancreatitis-pharmacological-activities-and-mechanisms
#12
REVIEW
Hong Xiang, Qingkai Zhang, Bing Qi, Xufeng Tao, Shilin Xia, Huiyi Song, Jialin Qu, Dong Shang
Acute pancreatitis (AP) is a commonly occurring gastrointestinal disorder. An increase in the annual incidence of AP has been observed, and it causes acute hospitalization and high mortality. The diagnosis and treatment guidelines for AP recommend conservative medical treatments focused on reducing pancreatic secretion and secondary injury, as a primary therapeutic approach. Unfortunately, the existing treatment options have limited impact on the incidence and severity of AP due to the complex and multifaceted pathological process of this disease...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28487229/every-member-of-the-kingdom-animalia-is-a-potential-vector-of-human-pathogens
#13
LETTER
Seema Patel
Zoonotic diseases are a subset of infectious diseases, which account for enormous morbidity and mortality. Pathologies like malaria, rabies, Lyme disease, leptospirosis, avian flu etc. are microbe- and parasite-caused ailments, where the etiological agents are introduced into or on the human body via ticks, mosquitoes, birds, rodents, bats, and deer, among other members of kingdom Animalia. While some of the zoonotic diseases are well-investigated and caution taken against, a lot many are yet to be recognized...
May 6, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28476069/elac-3-12-di-o-acetyl-8-o-tigloilingol-a-plant-derived-lathyrane-diterpene-induces-subventricular-zone-neural-progenitor-cell-proliferation-through-protein-kinase-c-beta-activation
#14
Maribel Murillo-Carretero, Noelia Geribaldi-Doldán, Eugenia Flores-Giubi, Francisco García-Bernal, Elkin A Navarro, Manuel Carrasco-Viñuela, Antonio J Macías-Sánchez, Pilar Herrero-Foncubierta, Antonio Delgado-Ariza, Cristina Verástegui, Jesús Domínguez-Riscart, Mourad Daoubi, Rosario Hernández-Galán, Carmen Castro
BACKGROUND AND PURPOSE: Pharmacological strategies aimed to facilitate neuronal renewal in the adult brain, by promoting endogenous neurogenesis, constitute promising therapeutic options for pathologic or traumatic brain lesions. We have previously shown that non-tumor-promoting PKC-activating compounds (12-deoxyphorbols) promote adult neural progenitor cell (NPC) proliferation in vitro and in vivo, enhancing the endogenous neurogenic response of the brain to a traumatic injury. Here, we show for the first time that a diterpene with lathyrane skeleton can also activate PKC and promote NPC proliferation...
May 5, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28473245/the-development-and-use-of-a-drug-induced-immunosuppressed-rat-model-to-screen-phela-for-mechanism-of-immune-stimulation
#15
Makhotso Rose Lekhooa, Andrew Walubo, Jan B du Plessis, Motlalepula Gilbert Matsabisa
ETHNOPHARMACOLOGY RELEVANCY: Phela, is code name for a medicinal product made from four South African traditional medicinal plants (Clerodendrum glabrum E. Mey, Polianthes tuberosa (Linn.), Rotheca myricoides (Hochst.) Steane & Mabb. and Senna occidentalis (L.) Link). All these plants have established traditional use in a wide spectrum of diseases. It is under development for use as an immune booster in immunocompromised patients, which includes patients with the human immunodeficiency virus (HIV)...
May 1, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28468621/white-muscle-disease-in-foals-focus-on-selenium-soil-content-a-case-series
#16
Catherine Delesalle, Marco de Bruijn, Sanne Wilmink, Hilde Vandendriessche, Gerben Mol, Berit Boshuizen, Lukas Plancke, Guy Grinwis
BACKGROUND: White muscle disease (WMD) is a nutritional myopathy caused by selenium (Se) deficiency. In most soils, Se is present in low concentrations, sometimes even below 0.2 mg/kg, a trend which is seen in many countries. Apart from total soil Se concentrations, soil conditions may be such that the bio-availability of Se is so low that it causes very low uptake in plants which can ultimately lead to deficiency problems in animals. This is the first case series to report clinical WMD in foals in areas deficient in Se, in the Netherlands...
May 3, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28454037/agricultural-expansion-as-risk-to-endangered-wildlife-pesticide-exposure-in-wild-chimpanzees-and-baboons-displaying-facial-dysplasia
#17
Sabrina Krief, Philippe Berny, Francis Gumisiriza, Régine Gross, Barbara Demeneix, Jean Baptiste Fini, Colin A Chapman, Lauren J Chapman, Andrew Seguya, John Wasswa
Prenatal exposure to environmental endocrine disruptors can affect development and induce irreversible abnormalities in both humans and wildlife. The northern part of Kibale National Park, a mid-altitude rainforest in western Uganda, is largely surrounded by industrial tea plantations and wildlife using this area (Sebitoli) must cope with proximity to human populations and their activities. The chimpanzees and baboons in this area raid crops (primarily maize) in neighboring gardens. Sixteen young individuals of the 66 chimpanzees monitored (25%) exhibit abnormalities including reduced nostrils, cleft lip, limb deformities, reproductive problems and hypopigmentation...
April 25, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28445699/journey-of-cystatins-from-being-mere-thiol-protease-inhibitors-to-at-heart-of-many-pathological-conditions
#18
REVIEW
Anas Shamsi, Bilqees Bano
Cystatins are thiol proteinase inhibitors (TPI), present ubiquitously in animals, plants and micro-organisms. These are not merely inhibitors rather they are at heart of many pathological conditions ranging from diabetes to renal failure. These are essential for maintenance of protein balance of the cell; once this balance gets disturbed, it may lead to cell death. Thus, cystatins cannot be merely regarded as TPI's as these have been found to play a pivotal role in tumorigenesis and neurodegenerative diseases...
April 23, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28444858/dietary-protein-content-for-an-optimal-diet-a-clinical-view
#19
EDITORIAL
Lidia Santarpia, Franco Contaldo, Fabrizio Pasanisi
The dietary protein role in different clinical nutritional conditions and some physio-pathological perspectives is a current and hot topic to discuss. Recent Proceedings of the Protein Summit 2, joining more than 60 nutrition scientists, health experts, and nutrition educators, suggest to increase plant but, in particular, animal protein intake because richer in leucine and consequently more effective to influence anabolic protein metabolism. The Panel conclusions are in apparent contradiction with the nutritional ecology statements, which strongly sustain the reduction of animal origin foods in the human diet and are currently concerned about the excessive, mainly animal protein intake in western and westernized Countries...
April 25, 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/28440187/genetic-modifications-of-icosahedral-plant-virus-based-nanoparticles-for-vaccine-and-immunotherapy-applications
#20
Kannan Badri Narayanan, Sung Soo Han
Vaccine development is one of the greatest achievements of modern medicine. Vaccines made of live-attenuated pathogens can revert to virulent live strains, which causes safety concerns. On the other hand, the use of purified antigenic components as subunit vaccines is safer, but less effective, as these components induce lower levels of protective immunity. Multiple copy presentation of an antigenic determinant in a well-ordered and well-defined orientation on a nanosized particle can mimic the natural host-pathogen surface interaction to provide antigen stability and immunogenicity similar to that of conventional vaccines with improved safety...
April 24, 2017: Current Protein & Peptide Science
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