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https://www.readbyqxmd.com/read/28110148/ciprofloxacin-induces-oxidative-stress-in-duckweed-lemna-minor-l-implications-for-energy-metabolism-and-antibiotic-uptake-ability
#1
Marcelo Pedrosa Gomes, Cíntia Almeida Gonçalves, Júlio César Moreira de Brito, Amanda Miranda Souza, Fernanda Vieira da Silva Cruz, Elisa Monteze Bicalho, Cleber Cunha Figueredo, Queila Souza Garcia
We investigate the physiological responses and antibiotic-uptake capacity of Lemna minor exposed to ciprofloxacin. Ciprofloxacin (Cipro) induced toxic effects and hormesis in plants by significantly modifying photosynthesis and respiration pathways. A toxic effect was induced by a concentration ≥1.05mg ciprofloxacin l(-1) while hormesis occurs at the lowest concentration studied (0.75mg ciprofloxacin l(-1)). By impairing normal electron flow in the respiratory electron transport chain, ciprofloxacin induces hydrogen peroxide (H2O2) production...
January 5, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28110083/preconditioning-in-neuroprotection-from-hypoxia-to-ischemia
#2
REVIEW
Sijie Li, Adam Hafeez, Fatima Noorulla, Xiaokun Geng, Guo Shao, Changhong Ren, Guowei Lu, Heng Zhao, Yuchuan Ding, Xunming Ji
Sublethal hypoxic or ischemic events can improve the tolerance of tissues, organs, and even organisms from subsequent lethal injury caused by hypoxia or ischemia. This phenomenon has been termed hypoxic or ischemic preconditioning (HPC or IPC) and is well established in the heart and the brain. This review aims to discuss HPC and IPC with respect to their historical development and advancements in our understanding of the neurochemical basis for their neuroprotective role. Through decades of collaborative research and studies of HPC and IPC in other organ systems, our understanding of HPC and IPC-induced neuroprotection has expanded to include: early- (phosphorylation targets, transporter regulation, interfering RNA) and late- (regulation of genes like EPO, VEGF, and iNOS) phase changes, regulators of programmed cell death, members of metabolic pathways, receptor modulators, and many other novel targets...
January 18, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28109414/snap-participation-and-diet-sensitive-cardiometabolic-risk-factors-in-adolescents
#3
Cindy W Leung, June M Tester, Eric B Rimm, Walter C Willett
INTRODUCTION: Previous research suggests participation in the Supplemental Nutrition Assistance Program (SNAP) is associated with poorer adult cardiometabolic health; the extent to which these associations extend to adolescents is unknown. Differences in diet quality, obesity, and cardiometabolic risk factors were examined among SNAP participants, income-eligible nonparticipants, and higher-income adolescents. METHODS: The study population comprised 4,450 adolescents ≤300% federal poverty level from the 2003-2010 National Health and Nutrition Examination Survey...
February 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28107573/diversity-and-bioprospecting-of-actinomycete-endophytes-from-the-medicinal-plants
#4
REVIEW
Nalini Monnanda Somaiah, Harishchandra Sripathy Prakash
The endophytic actinomycetes constitute one of the fascinating group of microorganisms associated with a wide range of plant species. The diversity of actinomycetes in plants and their tissue parts is a matter of debate as no consensus are derived between individual studies. Nevertheless, their diversity correlates with the occurrence in plant species harbored in unique regions of biologically diverse areas called 'hot spots'. Recent advances in the isolation techniques have facilitated the isolation of rare taxa from these environments...
January 20, 2017: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/28106792/prevalence-and-correlates-of-metabolic-syndrome-in-chinese-children-the-china-health-and-nutrition-survey
#5
Peige Song, Jinyue Yu, Xinlei Chang, Manli Wang, Lin An
Metabolic syndrome (MetS) is generally defined as a cluster of metabolically related cardiovascular risk factors which are often associated with the condition of insulin resistance, elevated blood pressure, and abdominal obesity. During the past decades, MetS has become a major public health issue worldwide in both adults and children. In this study, data from the China Health and Nutrition Surveys (CHNS) was used to assess the prevalence of MetS based on both the National Cholesterol Education Program Adult Treatment Panel III (NCEP-ATPIII) guidelines and the International Diabetes Federation (IDF) criteria, and to evaluate its possible correlates...
January 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28105936/pathways-of-aging-comparative-analysis-of-gene-signatures-in-replicative-senescence-and-stress-induced-premature-senescence
#6
Kamil C Kural, Neetu Tandon, Mikhail Skoblov, Olga V Kel-Margoulis, Ancha V Baranova
BACKGROUND: In culturing normal diploid cells, senescence may either happen naturally, in the form of replicative senescence, or it may be a consequence of external challenges such as oxidative stress. Here we present a comparative analysis aimed at reconstruction of molecular cascades specific for replicative (RS) and stressinduced senescence (SIPS) in human fibroblasts. RESULTS: An involvement of caspase-3/keratin-18 pathway and serine/threonine kinase Aurora A/ MDM2 pathway was shared between RS and SIPS...
December 28, 2016: BMC Genomics
https://www.readbyqxmd.com/read/28105719/allostatic-load-and-biological-anthropology
#7
Ashley N Edes, Douglas E Crews
Multiple stressors affect developing and adult organisms, thereby partly structuring their phenotypes. Determining how stressors influence health, well-being, and longevity in human and nonhuman primate populations are major foci within biological anthropology. Although much effort has been devoted to examining responses to multiple environmental and sociocultural stressors, no holistic metric to measure stress-related physiological dysfunction has been widely applied within biological anthropology. Researchers from disciplines outside anthropology are using allostatic load indices (ALIs) to estimate such dysregulation and examine life-long outcomes of stressor exposures, including morbidity and mortality...
January 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28101651/eslicarbazepine-acetate-its-effectiveness-as-adjunctive-therapy-in-clinical-trials-and-open-studies
#8
REVIEW
S D Shorvon, E Trinka, B J Steinhoff, M Holtkamp, V Villanueva, J Peltola, E Ben-Menachem
Eslicarbazepine acetate (ESL) is a once-daily antiepileptic drug that is approved as adjunctive therapy in adults with focal-onset seizures. Following oral administration, ESL is rapidly metabolized to its active metabolite, eslicarbazepine, which acts primarily by enhancing slow inactivation of voltage-gated sodium channels. The efficacy and safety/tolerability of ESL in the adjunctive setting were established in a comprehensive Phase III program (n = 1702 randomized patients) and this evidence has been supported by several open studies (n = 864)...
January 18, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28100703/paternal-epigenetic-programming-evolving-metabolic-disease-risk
#9
Suzy Sj Hur, Jennifer E Cropley, Catherine M Suter
Parental health or exposures can affect the lifetime health outcomes of offspring, independently of inherited genotypes. Such 'epigenetic' effects occur over a broad range of environmental stressors, including defects in parental metabolism. While maternal metabolic effects are well documented, it has only recently been established that that there is also an independent paternal contribution to long-term metabolic health. Both paternal undernutrition and overnutrition can induce metabolic phenotypes in immediate offspring, and in some cases the induced phenotype can affect multiple generations, implying inheritance of an acquired trait...
January 18, 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28100227/prenatal-and-postnatal-mothering-by-diesel-exhaust-pm2-5-exposed-dams-differentially-program-mouse-energy-metabolism
#10
Minjie Chen, Shuai Liang, Huifen Zhou, Yanyi Xu, Xiaobo Qin, Ziying Hu, Xiaoke Wang, Lianglin Qiu, Wanjun Wang, Yuhao Zhang, Zhekang Ying
BACKGROUND: Obesity is one of the leading threats to global public health. It is consequent to abnormal energy metabolism. Currently, it has been well established that maternal exposure to environmental stressors that cause inappropriate fetal development may have long-term adverse effects on offspring energy metabolism in an exposure timing-dependent manner, known as developmental programming of health and diseases paradigm. Rapidly increasing evidence has indicated that maternal exposure to ambient fine particles (PM2...
January 18, 2017: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/28099149/clinically-relevant-hif-1%C3%AE-dependent-metabolic-reprogramming-in-oropharyngeal-squamous-cell-carcinomas-includes-coordinated-activation-of-caix-and-the-mir-210-iscu-signaling-axis-but-not-mct1-and-mct4-upregulation
#11
Inés Sáenz-de-Santa-María, Cristóbal Bernardo-Castiñeira, Pablo Secades, Sandra Bernaldo-de-Quirós, Juan Pablo Rodrigo, Aurora Astudillo, María-Dolores Chiara
Metabolic reprogramming is a very heterogeneous phenomenon in cancer. It mostly consists on increased glycolysis, lactic acid formation and extracellular acidification. These events have been associated to increased activity of the hypoxia inducible factor, HIF-1α. This study aimed at defining the metabolic program activated by HIF-1α in oropharyngeal squamous cell carcinomas (SCC) and assessing its clinical impact. Global gene/miRNA expression was analyzed in SCC-derived cells exposed to hypoxia. Expression of HIF-1α, the carbonic anhydrase CAIX, and the lactate/H+ transporters MCT1 and MCT4 were analyzed by immunohistochemistry in 246 SCCs...
January 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28098053/dairy-consumption-is-associated-with-a-lower-incidence-of-the-metabolic-syndrome-in-middle-aged-and-older-korean-adults-the-korean-genome-and-epidemiology-study-koges
#12
Dasom Kim, Jihye Kim
This cohort study examined the association between total and individual dairy products and the risk of developing the metabolic syndrome (MetS) and its components in Korean adults from the Korean Genome and Epidemiology Study. We prospectively analysed 5510 participants aged 40-69 years without the MetS at baseline during a 10-year follow-up period. Dairy consumption was assessed with a semi-quantitative FFQ at baseline and after 4 years. The MetS was defined according to the criteria by the National Cholesterol Education Program Adult Treatment Panel III...
January 18, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28097013/randomised-double-blind-clinical-investigation-to-compare-orlistat-60-milligram-and-a-customized-polyglucosamine-two-treatment-methods-for-the-management-of-overweight-and-obesity
#13
Manfred Stoll, Norman Bitterlich, Umberto Cornelli
BACKGROUND: The efficacy of a non-prescription drug to support weight loss programs has yet to be compared. This clinical trial investigates the comparability of orlistat 60 milligram (mg) and polyglucosamine. METHODS: Sixty-four overweight or obese subjects were included in a two-center double-blind study. One center was in Germany [center 1] and the other was in Italy [center 2]. The subjects (26 in center 1 and 38 in center 2) were recommended to follow a calorie deficit of about 2000 kilojoules/day and to increase their physical activity to 3 metabolic equivalent hours (MET h)/day...
2017: BMC Obesity
https://www.readbyqxmd.com/read/28096874/prevalence-of-metabolic-syndrome-in-patients-with-schizophrenia-in-korea-a-multicenter-nationwide-cross-sectional-study
#14
Jung Sun Lee, Jun Soo Kwon, Daeho Kim, Sung-Wan Kim, Jae-Jin Kim, Jong-Hoon Kim, Hee Jung Nam, Seunghyong Ryu, Il Ho Park, Suk Kyoon An, Hong-Seok Oh, Seunghee Won, Kanguk Lee, Kyu Young Lee, Seung-Hwan Lee, Yu Sang Lee, Jung-Seo Yi, Kyung Sue Hong, Yeon Ho Joo
OBJECTIVE: We designed a nationwide study with limited exclusion criteria to investigate the prevalence of metabolic syndrome (MetS) in Korea and its relationship with antipsychotic medications. METHODS: This multicenter, cross-sectional, and observational study included patients diagnosed with schizophrenia or schizoaffective disorder. Sixteen hospitals enrolled 845 patients aged 18 to 65 years prescribed any antipsychotic medication between August 2011 and August 2013...
January 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/28096698/burkitt-lymphoma-in-adolescents-and-young-adults-management-challenges
#15
REVIEW
Massimo Dozzo, Francesca Carobolante, Pietro Maria Donisi, Annamaria Scattolin, Elena Maino, Rosaria Sancetta, Piera Viero, Renato Bassan
About one-half of all Burkitt lymphoma (BL) patients are younger than 40 years, and one-third belong to the adolescent and young adult (AYA) subset, defined by an age between 15 and 25-40 years, based on selection criteria used in different reports. BL is an aggressive B-cell neoplasm displaying highly characteristic clinico-diagnostic features, the biologic hallmark of which is a translocation involving immunoglobulin and c-MYC genes. It presents as sporadic, endemic, or epidemic disease. Endemicity is pathogenetically linked to an imbalance of the immune system which occurs in African children infected by malaria parasites and Epstein-Barr virus, while the epidemic form strictly follows the pattern of infection by HIV...
2017: Adolescent Health, Medicine and Therapeutics
https://www.readbyqxmd.com/read/28096640/prevalence-of-metabolic-syndrome-in-pre-and-post-menopausal-women-a-prospective-study-from-apex-institute-of-north-india
#16
Sandeep Sharma, Neelam Aggarwal, Bharti Joshi, Vanita Suri, Sanjay Badada
BACKGROUND: The metabolic syndrome (MS) (syndrome X, insulin resistance syndrome) is a constellation of metabolic abnormalities and a complex predisease state that predicts future development of type 2 diabetes mellitus and cardiovascular disease. Menopausal transition and postmenopausal state are considered as a vulnerable period for developing MS, and this increased risk has been attributed to decreasing estrogen levels with an increasing risk of insulin resistance following menopause...
October 2016: Journal of Mid-life Health
https://www.readbyqxmd.com/read/28096371/cox2-mpges1-pge2-pathway-regulates-pd-l1-expression-in-tumor-associated-macrophages-and-myeloid-derived-suppressor-cells
#17
Victor Prima, Lyudmila N Kaliberova, Sergey Kaliberov, David T Curiel, Sergei Kusmartsev
In recent years, it has been established that programmed cell death protein ligand 1 (PD-L1)-mediated inhibition of activated PD-1(+) T lymphocytes plays a major role in tumor escape from immune system during cancer progression. Lately, the anti-PD-L1 and -PD-1 immune therapies have become an important tool for treatment of advanced human cancers, including bladder cancer. However, the underlying mechanisms of PD-L1 expression in cancer are not fully understood. We found that coculture of murine bone marrow cells with bladder tumor cells promoted strong expression of PD-L1 in bone marrow-derived myeloid cells...
January 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28095810/neonatal-screening-for-congenital-adrenal-hyperplasia-in-southern-brazil-a-population-based-study-with-108-409-infants
#18
Cristiane Kopacek, Simone Martins de Castro, Mayara Jorgens Prado, Claudia Maria Dornelles da Silva, Luciana Amorim Beltrão, Poli Mara Spritzer
BACKGROUND: Congenital adrenal hyperplasia (CAH) is an autosomal recessive disorder associated with inborn errors of steroid metabolism. 21-hydroxylase enzyme deficiency occurs in 90 to 95% of all cases of CAH, with accumulation of 17 hydroxyprogesterone (17-OHP). Early diagnosis of CAH based on newborn screening is possible before the development of symptoms and allows proper treatment, correct sex assignment, and reduced mortality rates. This study describes the results obtained in the first year of a public CAH screening program in the state of Rio Grande do Sul, Brazil...
January 17, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28095715/an-overview-of-aldehyde-oxidase-an-enzyme-of-emerging-importance-in-novel-drug-discovery
#19
Mohammad-Reza Rashidi, Somaieh Soltani
Given the rising trend in medicinal chemistry strategy to reduce cytochrome P450-dependent metabolism, aldehyde oxidase (AOX) has recently gained increased attention in drug discovery programs and the number of drug candidates that are metabolized by AOX is steadily growing. Areas covered: Despite the emerging importance of AOX in drug discovery, there are certain major recognized problems associated with AOX-mediated metabolism of drugs. Intra- and inter-species variations in AOX activity, the lack of reliable and predictive animal models using the common experimental animals, and failure in the predictions of in vivo metabolic activity of AOX using traditional in vitro methods are among these issues that are covered in this article...
January 17, 2017: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/28093900/who-is-responsible-for-metabolic-screening-for-mental-health-clients-taking-antipsychotic-medications
#20
Tamara Ward, Dianne Wynaden, Karen Heslop
Metabolic syndrome is common in mental health consumer populations, and is linked to cardiovascular disease, stroke and diabetes. Metabolic screening is a way of recognising consumers who are at risk of developing metabolic syndrome but internationally screening rates remain low. A retrospective audit was completed at one Australian public mental health service on the case files of 100 randomly selected consumers to determine nurses level of compliance with metabolic screening policies over a 12 month period...
January 17, 2017: International Journal of Mental Health Nursing
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