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https://www.readbyqxmd.com/read/29334720/-responding-to-national-strategy-demand-for-a-new-era-and-grasping-key-problems-of-basic-frontiers-in-preventive-medicine-shuangqing-forum-no-192-of-national-natural-science-foundation-of-china
#1
L Q Qin, C Q Yu, Y F Dai, A H Gu, Z W Zhang
No abstract text is available yet for this article.
January 6, 2018: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29334712/-the-effect-of-ambient-pm-10-on-sperm-quality-in-wuhan
#2
X C Wang, X J Tian, B Ye, L Ma, Y Zhang, J Yang
Objective: To investigate the effect of exposure to particulate matter ≤10 μm in aerodynamic diameter (PM(10)) on sperm quality in different stages of sperm development. Methods: This cross-sectional study included 1 827 patients attending the reproductive medicine center in Renmin Hospital of Wuhan University during April 2013 to January 2015. Air pollution data from January 2013 to January 2015 was obtained from the database of Wuhan Municipal Environmental Protection Bureau. The generalized linear model was employed to assess the association between each exposure variables and sperm parameters for several exposure windows (0-9, 10-14, 15-69, 70-90, 0-90 days before sampling) ...
January 6, 2018: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29334690/intestinal-metabolism-of-polygonum-cuspidatum-in-vitro-and-in-vivo
#3
Jinfeng Fu, Songyan Wu, Min Wang, Yuan Tian, Zunjian Zhang, Rui Song
Rhizoma et Radix Polygoni Cuspidati (RRPC) is commonly prescribed for the treatments of amenorrhea, arthralgia, jaundice and abscess in traditional Chinese medicine. Previous pharmacological studies have indicated that polyphenols are the main pharmacological active ingredients in RRPC. Meanwhile, the poor bioavailability of polyphenols in RRPC implies that those components are probably metabolized by intestinal bacteria before absorption. However, there is rather limited information about RRPC's metabolites produced by intestinal bacteria and the intestinal absorbed constituents...
January 15, 2018: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/29334669/anti-obesity-effects-of-clausena-excavata-in-high-fat-diet-induced-obese-mice
#4
Young-Rak Cho, Jung A Lee, Yoon Yeon Kim, Jae-Shin Kang, Jae-Ho Lee, Eun-Kyung Ahn
Clausena excavata (C. excavata) has been used as a traditional medicine for the treatment of abdominal pain, enteritis, dysentery, and malaria. The present study was designed to evaluate the effect of a 50% ethanol extract of C. excavata (ECE) on weight loss, adipocyte size, and obesity-related biochemical parameters in high-fat diet (HFD)-induced obese mice. After 6 weeks of HFD + ECE administration, HFD-induced total fat, subcutaneous fat, and visceral fat were evaluated by micro-computed tomography. The serum levels of triglyceride (TG), total cholesterol (TCH), high-density lipoprotein (HDL) cholesterol, and low-density lipoprotein (LDL) cholesterol were evaluated with a biochemical analyzer, and leptin and adiponectin levels in the serum were assessed via enzyme-linked immunoassay (ELISA)...
January 12, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29334662/aqueous-extracts-of-two-tropical-ethnobotanicals-tetrapleura-tetraptera-and-quassia-undulata-improved-spatial-and-non-spatial-working-memories-in-scopolamine-induced-amnesic-rats-influence-of-neuronal-cholinergic-and-antioxidant-systems
#5
Veronica O Odubanjo, Emmanuel O Ibukun, Ganiyu Oboh, Stephen A Adefegha
BACKGROUND: Tetrapleura tetraptera (TT) and Quassia undulata (QU) are two predominant tropical ethnobotanicals with various medicinal values but are commonly used in folklore for the treatment of mental illness without justifiable mechanisms of action. AIM OF THE STUDY: To investigate the effects of aqueous extracts from TT fruits and QU leaves on the spatial and non-spatial working memory, antioxidant status and activities of neuronal marker enzymes of scopolamine-induced amnesic rats and thus, understand the possible mechanism of action of these plants...
January 11, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29334625/light-quality-affects-flavonoid-production-and-related-gene-expression-in-cyclocarya-paliurus
#6
Yang Liu, Shengzuo Fang, Wanxia Yang, Xulan Shang, Xiangxiang Fu
Understanding the responses of plant growth and secondary metabolites to differential light conditions is very important to optimize cultivation conditions of medicinal woody plants. As a highly valued and multiple function tree species, Cyclocarya paliurus is planted and managed for timber production and medical use. In this study, LED-based light including white light (WL), blue light (BL), red light (RL), and green light (GL) were used to affect leaf biomass production, flavonoid accumulation and related gene expression of one-year C...
January 11, 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29334559/sex-differences-in-faculty-rank-among-academic-surgeons-in-the-united-states-in-2014
#7
Daniel M Blumenthal, Regan W Bergmark, Nikhila Raol, Jordan D Bohnen, Jean Anderson Eloy, Stacey T Gray
OBJECTIVE: The aim of this study was to evaluate sex differences in full professorship among a comprehensive, contemporary cohort of US academic surgeons. SUMMARY OF BACKGROUND DATA: Previous work demonstrates that women are less likely than men to be full professors in academic medicine, and in certain surgical subspecialties. Whether sex differences in academic rank exist across all surgical fields, and after adjustment for confounders, is not known. METHODS: A comprehensive list of surgeons with faculty appointments at US medical schools in 2014 was obtained from Association of American Medical Colleges (AAMC) faculty roster and linked to a comprehensive physician database from Doximity, an online physician networking website, which contained the following data for all physicians: sex, age, years since residency, publication number (total and first/last author), clinical trials participation, National Institutes of Health grants, and surgical subspecialty...
January 12, 2018: Annals of Surgery
https://www.readbyqxmd.com/read/29334511/evaluation-of-recombinant-factor-viia-tranexamic-acid-and-desmopressin-to-reduce-prasugrel-related-bleeding-a-randomised-placebo-controlled-study-in-a-rabbit-model
#8
Fanny Bonhomme, Thomas Lecompte, Charles M Samama, Anne Godier, Pierre Fontana
BACKGROUND: Prasugrel is a thienopyridine that inhibits platelet aggregation more rapidly and effectively than clopidogrel, with an increased bleeding risk. OBJECTIVE: The current study aimed to evaluate the efficacy of three nonspecific haemostatic drugs - recombinant activated factor VII (rFVIIa), tranexamic acid and desmopressin (DDAVP) - to limit blood loss after administration of prasugrel in a rabbit model of bleeding while also evaluating any prothrombotic effects...
January 13, 2018: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/29334498/evidence-based-interpretation-of-amyloid-%C3%AE-pet-results-a-clinician-s-tool
#9
David Bergeron, Rik Ossenkoppele, Robert Jr Laforce
BACKGROUND: Amyloid-β positron emission tomography (PET) allows for in vivo detection of fibrillar amyloid plaques, a pathologic hallmark of Alzheimer's disease (AD). However, amyloid-β PET interpretation is limited by the imperfect correlation between PET and autopsy, and the fact that it is positive in about 20% to 30% of cognitively normal individuals and non-AD dementias, especially when older or carrying the ε4 allele of apolipoprotein E (ApoE4). When facing a positive amyloid PET, clinicians have to evaluate the probability of a pathologic false positive as well as the probability of amyloid positivity being age-related, comorbid to a primary non-AD dementia (clinicopathologic false positive)...
January 12, 2018: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/29334444/pregnancy-and-parenthood-during-medical-school
#10
Emma M Bye, Brody W Brisk, Suzanne D Reuter, Keith A Hansen, Mary D Nettleman
PURPOSE: The stress of pregnancy and parenthood during the intense educational experience of medical school could increase the risk of student burnout. Because 9.2 percent of U.S. medical students are parents by graduation, it would seem prudent to include this topic in wellness programs and policies. The purpose of this study was to determine the effects of pregnancy and parenthood on medical students. METHOD: This was a cross-sectional, internet survey distributed to all four classes of medical students at the University of South Dakota Sanford School of Medicine during the 2016-2017 academic year...
December 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/29334443/the-sanford-school-of-medicine-s-healthcare-quality-improvement-program-connecting-education-with-quality-improvement
#11
Shane Schellpfeffer, Mark Beard
No abstract text is available yet for this article.
December 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/29334372/pharmacological-blockade-of-asct2-dependent-glutamine-transport-leads-to-antitumor-efficacy-in-preclinical-models
#12
Michael L Schulte, Allie Fu, Ping Zhao, Jun Li, Ling Geng, Shannon T Smith, Jumpei Kondo, Robert J Coffey, Marc O Johnson, Jeffrey C Rathmell, Joe T Sharick, Melissa C Skala, Jarrod A Smith, Jordan Berlin, M Kay Washington, Michael L Nickels, H Charles Manning
The unique metabolic demands of cancer cells underscore potentially fruitful opportunities for drug discovery in the era of precision medicine. However, therapeutic targeting of cancer metabolism has led to surprisingly few new drugs to date. The neutral amino acid glutamine serves as a key intermediate in numerous metabolic processes leveraged by cancer cells, including biosynthesis, cell signaling, and oxidative protection. Herein we report the preclinical development of V-9302, a competitive small molecule antagonist of transmembrane glutamine flux that selectively and potently targets the amino acid transporter ASCT2...
January 15, 2018: Nature Medicine
https://www.readbyqxmd.com/read/29334363/macrophage-membrane-coated-iron-oxide-nanoparticles-for-enhanced-photothermal-tumor-therapy
#13
Qian-Fang Meng, Lang Rao, Minghui Zan, Ming Chen, Guang-Tao Yu, Xiaoyun Wei, Zhuhao Wu, Yue Sun, Shi Shang Guo, Xing-Zhong Zhao, Fu-Bing Wang, Wei Liu
Nanotechnology possesses the potential to revolutionize the diagnosis and treatment of tumors. The ideal nanoparticles used for in vivo cancer therapy should own long blood circulation and active cancer targeting. Additionally, they should be innoxious and invisible to the immune system. Here, we developed a biomimetic nanoplatform with the above properties for cancer therapy. Macrophage membranes were reconstructed into vesicles and then coated onto magnetic iron oxide nanoparticles (Fe3O4 NPs). Inherited from the Fe3O4 core and the macrophage membrane shell, the resulting Fe3O4@MM NPs exhibited good biocompatibility, immune evasion, cancer targeting, and light-to-heat conversion capabilities...
January 15, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29334348/assessing-the-readiness-of-precision-medicine-interoperabilty-an-exploratory-study-of-the-national-institutes-of-health-genetic-testing-registry
#14
Jay G Ronquillo, Chunhua Weng, William T Lester
BACKGROUND:   Precision medicine involves three major innovations currently taking place in healthcare:  electronic health records, genomics, and big data.  A major challenge for healthcare providers, however, is understanding the readiness for practical application of initiatives like precision medicine. OBJECTIVE:   To better understand the current state and challenges of precision medicine interoperability using a national genetic testing registry as a starting point, placed in the context of established interoperability formats...
November 17, 2017: Journal of Innovation in Health Informatics
https://www.readbyqxmd.com/read/29334346/in-this-issue-prerequisites-for-precision-medicine-are-genomics-computerised-medical-record-systems-and-big-data-analytics
#15
Simon De Lusignan
No abstract text is available yet for this article.
January 12, 2018: Journal of Innovation in Health Informatics
https://www.readbyqxmd.com/read/29334308/neuromuscular-degenerative-effects-of-ankaferd-blood-stopper%C3%A2-in-mouse-sciatic-nerve-model
#16
Ramazan Üstün, Elif Kaval Oğuz, Çağrı Delilbaşı, Ayşe Şeker, Filiz Taşpınar, Mehmet Reşit Öncü, Ahmet Regaip Oğuz
Purpose Ankaferd Blood Stopper® (ABS), a licenced medicinal herbal extract, is commonly used as an effective topical haemostatic agent. This study is designed to investigate whether topical ABS application may cause peripheral nerve degeneration and neuromuscular dysfunction in a mouse sciatic nerve model. Methods Twenty mice were randomly divided into two groups; an ABS treated experimental group and a saline-treated control group. Left sciatic nerves were treated with 0.3 ml of ABS in the experimental group and 0...
January 15, 2018: Somatosensory & Motor Research
https://www.readbyqxmd.com/read/29334256/differential-content-of-secondary-metabolites-in-diploid-and-tetraploid-cytotypes-of-siegesbeckia-orientalis-l
#17
Saroj Kumar Pradhan, Raghbir Chand Gupta, Rajesh Kumar Goel
Siegesbeckia orientalis L. is an annual herb widely distributed throughout the world and has many medicinal properties. In Chinese traditional system, it is popularly known as Xi-Xian and used for its anti-inflammatory properties. In the present study, two cytotypes (diploid and tetraploid) have been investigated for their secondary metabolites. The different plant parts have been explored in terms of total phenolics, total flavonoids, DPPH radical scavenging acitivity and total antioxidant capacity. Out of different plant parts, leaves have the maximum amount of secondary metabolites and antioxidant potential...
January 15, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29334246/screening-of-north-east-mexico-medicinal-plants-with-activities-against-herpes-simplex-virus-and-human-cancer-cell-line
#18
David Silva-Mares, Veronica M Rivas-Galindo, Ricardo Salazar-Aranda, Luis Alejandro Pérez-Lopez, Noemí Waksman De Torres, Jonathan Pérez-Meseguer, Ernesto Torres-Lopez
The plants examined in this study have previous biological activity reports indicating the possibility of found activity against herpes and cancer cell. The aim of this contribution was to carry out a screening of Juglans mollis (Juglandaceae), Persea americana (Lauraceae), Hamelia patens (Rubiaceae), Salvia texana (Lamiaceae), Salvia ballotaeflora (Lamiaceae), Ceanothus coeruleus (Rhamnaceae), Chrysactinia mexicana (Asteraceae) y Clematis drummondii (Ranunculaceae), against HeLa cells, VHS-1 and VHS-2. The method MTT was used to determine the 50% cytotoxic concentration (CC50), in Vero and HeLa cell lines...
January 15, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29334238/chemical-constituents-from-the-flowers-of-satsuma-mandarin-and-their-free-radical-scavenging-and-%C3%AE-glucosidase-inhibitory-activities
#19
Anjana Adhikari-Devkota, Sara Mustafa Idris Elbashir, Takashi Watanabe, Hari Prasad Devkota
Flowers of Citrus plants are used as mild sedatives and for the treatment of insomnia in traditional medicines. In Japan, tea made from the flowers of Satsuma mandarin is consumed as healthy drink. Hesperidin (1), hesperetin (2), rutin (3), quercetin (4), nicotiflorin (5), eriocitrin (6), narirutin (7), phenylethyl glucoside (8) and unshuoside A (9) were isolated from the MeOH extract of fresh flowers. Structure elucidation of these compounds was performed on the basis of NMR spectroscopic data. Among them, rutin (3), quercetin (4) and eriocitrin (6) showed potent free radical scavenging activity, whereas hesperetin (2) and quercetin (4) showed potent α-glucosidase inhibitory activity...
January 15, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29334237/safety-of-working-patterns-among-uk-neuroradiologists-what-can-we-learn-from-the-aviation-industry-and-cognitive-science
#20
John Reicher, Stuart Currie, Daniel Birchall
As the volume and complexity of imaging in the UK continues to rise, there is pressure on radiologists to spend increasing lengths of time reporting to cope with the growing workload. However, there is limited guidance for radiologists about structuring the working day to achieve the necessary balance between satisfactory reporting volume and maintaining quality and safety. We surveyed 86 Neuroradiologists (receiving 59 responses), regarding time spent reporting, frequency and duration of work breaks, and break activities...
January 15, 2018: British Journal of Radiology
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