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https://www.readbyqxmd.com/read/28651289/a-validated-method-for-the-quality-control-of-andrographis-paniculata-preparations
#1
Anastasia Karioti, Patricia Timoteo, Maria Camilla Bergonzi, Anna Rita Bilia
Andrographis paniculata is a herbal drug of Asian traditional medicine largely employed for the treatment of several diseases. Recently, it has been introduced in Europe for the prophylactic and symptomatic treatment of common cold and as an ingredient of dietary supplements. The active principles are diterpenes with andrographolide as the main representative. In the present study, an analytical protocol was developed for the determination of the main constituents in the herb and preparations of A. paniculata...
June 26, 2017: Planta Medica
https://www.readbyqxmd.com/read/28650970/point-of-care-testing-for-toxoplasma-gondii-igg-igm-using-toxoplasma-ict-igg-igm-test-with-sera-from-the-united-states-and-implications-for-developing-countries
#2
Ian J Begeman, Joseph Lykins, Ying Zhou, Bo Shiun Lai, Pauline Levigne, Kamal El Bissati, Kenneth Boyer, Shawn Withers, Fatima Clouser, A Gwendolyn Noble, Peter Rabiah, Charles N Swisher, Peter T Heydemann, Despina G Contopoulos-Ioannidis, Jose G Montoya, Yvonne Maldonado, Raymund Ramirez, Cindy Press, Eileen Stillwaggon, François Peyron, Rima McLeod
BACKGROUND: Congenital toxoplasmosis is a serious but preventable and treatable disease. Gestational screening facilitates early detection and treatment of primary acquisition. Thus, fetal infection can be promptly diagnosed and treated and outcomes can be improved. METHODS: We tested 180 sera with the Toxoplasma ICT IgG-IgM point-of-care (POC) test. Sera were from 116 chronically infected persons (48 serotype II; 14 serotype I-III; 25 serotype I-IIIa; 28 serotype Atypical, haplogroup 12; 1 not typed)...
June 26, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28650599/anti-mullerian-hormone-a-marker-of-upcoming-menopause-or-a-questionable-guesswork
#3
(no author information available yet)
Anti-Müllerian hormone (AMH) is a protein produced by pre-antral and small antral ovarian follicles. It is an acknowledged marker of ovarian reserve and remaining reproductive capacity, commonly used in reproductive medicine. From the third decade of life, AMH serum levels decrease consecutively up to menopause. Since the standardization of commercial assays, novel contributions of that parameter are being observed. Up to date, there is no screening tool for predicting the age of natural menopause (ANM). The following literature review evaluates the utility of AMH measurement in predicting ANM...
May 26, 2017: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28649643/molecular-stratification-of-early-breast-cancer-identifies-drug-targets-to-drive-stratified-medicine
#4
Jane Bayani, Cindy Q Yao, Mary Anne Quintayo, Fu Yan, Syed Haider, Alister D'Costa, Cassandra L Brookes, Cornelis J H van de Velde, Annette Hasenburg, Dirk G Kieback, Christos Markopoulos, Luc Dirix, Caroline Seynaeve, Daniel Rea, Paul C Boutros, John M S Bartlett
Many women with hormone receptor-positive early breast cancer can be managed effectively with endocrine therapies alone. However, additional systemic chemotherapy treatment is necessary for others. The clinical challenges in managing high-risk women are to identify existing and novel druggable targets, and to identify those who would benefit from these therapies. Therefore, we performed mRNA abundance analysis using the Tamoxifen and Exemestane Adjuvant Multinational (TEAM) trial pathology cohort to identify a signature of residual risk following endocrine therapy and pathways that are potentially druggable...
2017: NPJ Breast Cancer
https://www.readbyqxmd.com/read/28647152/a-first-report-of-rare-earth-elements-in-northwestern-mediterranean-seaweeds
#5
Stefania Squadrone, Paola Brizio, Marco Battuello, Nicola Nurra, Rocco Mussat Sartor, Alessandro Benedetto, Daniela Pessani, Maria Cesarina Abete
The concentrations of rare earth elements (REE) were determined by ICP-MS in dominant seaweed species, collected from three locations of the northwestern Mediterranean Sea. This is the first study to define levels and patterns of REE in macro algae from these coastal areas. Rare elements are becoming emerging inorganic contaminants in marine ecosystems, due to their worldwide increasing applications in industry, technology, medicine and agriculture. Significant inter-site and interspecies differences were registered, with higher levels of REE in brown and green macro algae than in red seaweeds...
June 21, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28646964/global-advocacy-needed-for-sepsis-in-children
#6
Sagar Dugani, Niranjan Kissoon
Sepsis in children is a complex syndrome that develops from various infections and results in 15-30% mortality in high-income countries and up to 50% or higher in low-income countries. Worldwide, this represents an annual burden of 30 million cases resulting in 8 million deaths. Not surprisingly, there is a significantly higher burden in low-income countries with children there being 18 times more likely to die before the age of 5 years compared to high-income countries. Factors such as commercial air travel, climate change, and unchecked population growth have contributed to the growing burden of infectious diseases and ensuing sepsis...
June 2017: Journal of Infection
https://www.readbyqxmd.com/read/28646288/extremophilic-proteases-as-novel-and-efficient-tools-in-short-peptide-synthesis
#7
REVIEW
Aneta M Białkowska, Krzysztof Morawski, Tomasz Florczak
The objective of this review is to outline the crucial role that peptides play in various sectors, including medicine. Different ways of producing these compounds are discussed with an emphasis on the benefits offered by industrial enzyme biotechnology. This paper describes mechanisms of peptide bond formation using a range of proteases with different active site structures. Importantly, these enzymes may be further improved chemically and/or genetically to make them better suited for their various applications and process conditions...
June 23, 2017: Journal of Industrial Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28642108/investing-in-new-technology-in-pulmonary-medicine-navigating-the-tortuous-path-to-success
#8
REVIEW
Robert Kruklitis, Kim French, Michael Joseph Cangelosi, Kevin L Kovitz
The introduction of new technologies offer the promise to advance medicine. This occurs alongside improved efforts to control costs of healthcare by hospital administrators, Center for Medicare and Medicaid Services' (CMS) pivot to value programs, and commercial payers' efforts to reduce reimbursement. These trends present a challenge for the pulmonologist, among others, who must navigate increasingly complex and highly scrutinized evaluation processes used to secure new technologies. Healthcare providers are turning toward value assessments, while simultaneously tasked with a mission of offering state-of-the art technologies and services...
June 19, 2017: Chest
https://www.readbyqxmd.com/read/28641915/the-antimicrobial-spectrum-of-xeroform-%C3%A2
#9
David J Barillo, Anthony R Barillo, Sarah Korn, Kan Lam, Paul S Attar
INTRODUCTION/BACKGROUND: Xeroform(®) is a petrolatum-based fine mesh gauze containing 3% bismuth tribromophenate. Bismuth, similar to other metals, has antimicrobial properties. Xeroform(®) has been used for decades in burn and plastic surgery as a donor site dressing and as a covering for wounds or partial thickness burns. Despite this, the antimicrobial spectrum of Xeroform(®) remains largely unknown. We examined the in-vitro efficacy of Xeroform(®) against common burn pathogens using zone-of-inhibition methodology in a commercial research facility...
June 19, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28640244/systematic-design-and-comparison-of-expanded-carrier-screening-panels
#10
Kyle A Beauchamp, Dale Muzzey, Kenny K Wong, Gregory J Hogan, Kambiz Karimi, Sophie I Candille, Nikita Mehta, Rebecca Mar-Heyming, K Eerik Kaseniit, H Peter Kang, Eric A Evans, James D Goldberg, Gabriel A Lazarin, Imran S Haque
PurposeThe recent growth in pan-ethnic expanded carrier screening (ECS) has raised questions about how such panels might be designed and evaluated systematically. Design principles for ECS panels might improve clinical detection of at-risk couples and facilitate objective discussions of panel choice.MethodsGuided by medical-society statements, we propose a method for the design of ECS panels that aims to maximize the aggregate and per-disease sensitivity and specificity across a range of Mendelian disorders considered serious by a systematic classification scheme...
June 22, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28639115/chemical-composition-of-selected-commercial-herbal-remedies-in-relation-to-geographical-origin-and-inter-species-diversity
#11
Pawel Konieczynski, Agnieszka Viapiana, Roman Lysiuk, Marek Wesolowski
Infusions prepared from medicinal herbs that are rich in flavonoids are very popular herbal remedies in societies of Eastern Europe. Therefore, the content of essential elements together with total flavonoids was analyzed in 65 commercially available samples of herbal drugs originating from Ukraine, Romania, and Belarus. The results showed that metallic elements (in mg kg(-1) d.w.) have occurred in the following order: Fe > Mn > Zn > Cu, both for total and water-extractable species. Total flavonoids were determined in the range from 10...
June 21, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28639068/what-about-the-rheological-properties-of%C3%A2-prp-microfat-mixtures-in-fat-grafting-procedure
#12
R Ghazouane, B Bertrand, C Philandrianos, J Veran, M Abellan, P Francois, M Velier, C Orneto, P Piccerelle, J Magalon
BACKGROUND: Fat grafting has emerged as a reference procedure in daily plastic surgery practice. Unpredictable fat resorption is the main clinical problem. For this purpose, the addition of PRP to enhance fat revascularization is now an easy and popular procedure. However, no consensus exists regarding the respective volume of fat and PRP used to obtain the ideal mixture. This study investigated the rheological properties of microfat mixed with different proportions of PRP. Results obtained were compared with commercialized hyaluronic acid fillers...
June 21, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28631817/application-of-high-resolution-melting-analysis-for-authenticity-testing-of-valuable-dendrobium-commercial-products
#13
Xiaoman Dong, Chao Jiang, Yuan Yuan, Daiyin Peng, Yuqin Luo, Yuyang Zhao, Luqi Huang
BACKGROUND: The accurate identification of botanical origin in commercial products is important to ensure food authenticity and safety for consumers. The Dendrobium species have long been commercialized as functional food supplements and herbal medicines in Asia. Three valuable Dendrobium species, namely Dendrobium officinale, D. huoshanense and D. moniliforme, are often mutually adulterated in trade products in pursuit of higher profit. RESULTS: In this paper, a rapid and reliable semi-quantitative method for identifying the botanical origin of Dendrobium products in terminal markets was developed using HRM (High-Resolution Melting) analysis with specific primer pairs to target the trnL-F region...
June 20, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28630625/quantification-of-antioxidant-phenolic-compounds-in-a-new-chrysanthemum-cultivar-by-high-performance-liquid-chromatography-with-diode-array-detection-and-electrospray-ionization-mass-spectrometry
#14
Ah-Reum Han, Hyo Young Kim, Yangkang So, Bomi Nam, Ik-Soo Lee, Joo-Won Nam, Yeong Deuk Jo, Sang Hoon Kim, Jin-Baek Kim, Si-Yong Kang, Chang Hyun Jin
The flowers of Chrysanthemum morifolium Ramat. have been used as an herbal tea and in traditional medicine, and the plant has been developed to produce horticultural cultivars of various colors and shapes. In this study, a new chrysanthemum cultivar with dark purple petals (C. morifolium cv. ARTI-Dark Chocolate; ADC) was developed by radiation-induced mutation breeding of its original cultivar with purple striped white petals (C. morifolium cv. Noble Wine, NW). The phenolic profile and antioxidant property of ADC were investigated and compared with NW and the commercially available medicinal herb, C...
2017: International Journal of Analytical Chemistry
https://www.readbyqxmd.com/read/28629531/survey-of-traditional-dai-medicine-reveals-species-confusion-and-potential-safety-concerns-a-case-study-on-radix-clerodendri-japonicum
#15
Bao-Zhong Duan, Hai-Lan Fang, Xi-Wen Li, Lin-Fang Huang, Wang Ping, Shi-Lin Chen
The adulteration of herbal products is a threat to consumer safety. In the present study, we surveyed the species composition of commercial Radix Clerodendri Japonicum products using DNA barcoding as a supervisory method. A reference database for plant-material DNA-barcode was successfully constructed with 48 voucher samples from 12 Clerodendrum species. The database was used to identify 27 Radix Clerodendri Japonicum decoction piece samples purchased from drug stores and hospitals. The DNA sequencing results revealed that only 1 decoction piece (3...
June 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28629185/leptadenia-reticulata-retz-wight-arn-jivanti-botanical-agronomical-phytochemical-pharmacological-and-biotechnological-aspects
#16
REVIEW
Sudipta Kumar Mohanty, Mallappa Kumara Swamy, Uma Rani Sinniah, Maniyam Anuradha
Leptadenia reticulata (Retz.) Wight & Arn. (Apocynaceae), is a traditional medicinal plant species widely used to treat various ailments such as tuberculosis, hematopoiesis, emaciation, cough, dyspnea, fever, burning sensation, night blindness, cancer, and dysentery. In Ayurveda, it is known for its revitalizing, rejuvenating, and lactogenic properties. This plant is one of the major ingredients in many commercial herbal formulations, including Speman, Envirocare, Calshakti, Antisept, and Chyawanprash. The therapeutic potential of this herb is because of the presence of diverse bioactive compounds such as α-amyrin, β-amyrin, ferulic acid, luteolin, diosmetin, rutin, β-sitosterol, stigmasterol, hentricontanol, a triterpene alcohol simiarenol, apigenin, reticulin, deniculatin, and leptaculatin...
June 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28628208/carbocyclic-c-c-bond-formation-intramolecular-radical-ring-closure-to-yield-diastereomerically-pure-7-s-me-or-7-r-me-carba-lna-nucleotide-analogs
#17
Oleksandr Plashkevych, Ram Shankar Upadhayaya, Jyoti Chattopadhyaya
In light of the impressive gene-silencing properties of carba-LNA modified oligo DNA and RNA, both in antisense RNA and siRNA approaches, which have been confirmed as proof-of-concept for biochemical applications in post-transcriptional gene silencing, we envision the true potential of carba-LNA modifications to be revealed soon. Herein we provide detailed protocols for synthesis of carba-LNA-A, -G, -(5-Me) C, and -T nucleosides on a medium/large scale (gram scale), as well as important guidelines for incorporation of these modified carba-LNAs into DNA or RNA oligonucleotides...
June 19, 2017: Current Protocols in Nucleic Acid Chemistry
https://www.readbyqxmd.com/read/28627123/pharmacokinetics-and-relative-bioavailability-of-orally-administered-innovator-formulated-itraconazole-capsules-and-solution-in-healthy-dogs
#18
A E Hasbach, D K Langlois, E J Rosser, M G Papich
BACKGROUND: Itraconazole is commonly used for treatment of systemic and cutaneous mycoses in veterinary medicine. Two formulations, capsule and solution, are used interchangeably in dogs. However, marked differences in bioavailability have been reported in other species. Similar investigations have not been performed in dogs. OBJECTIVE: To determine and compare pharmacokinetics of itraconazole in dogs after oral administration of commercially available capsule and solution formulations intended for use in humans...
June 19, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28621949/cyclotides-from-the-indian-medicinal-plant-viola-odorata-banafsha-identification-and-characterization
#19
M Narayani, Anju Chadha, Smita Srivastava
Cyclotides are cyclic cystine knotted macrocyclic plant peptides that have several promising applications. This study was undertaken to detect and identify known and new cyclotides in Viola odorata, a commercially important medicinal plant, from three geographical locations in India. The number of cyclotides in the plant varied with the tissue (leaves, petioles, flowers, runners, and roots) and with geographical locations in India. Using liquid chromatography coupled to Fourier transform mass spectrometry (FTMS), 166 cyclotide-like masses were observed to display cyclotide-diagnostic mass shifts following reduction, alkylation, and digestion, and 71 of these were positively identified based on automated spectrum matching...
June 16, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28621931/tunable-surface-repellency-maintains-stemness-and-redox-capacity-of-human-mesenchymal-stem-cells
#20
Daniel A Balikov, Spencer William Crowder, Timothy C Boire, Jung Bok Lee, Mukesh K Gupta, Aidan M Fenix, Holley N Lewis, Caitlyn M Ambrose, Philip A Short, Chang-Soo Kim, Dylan T Burnette, Matthew A Reilly, N Sanjeeva Murthy, Mi-Lan Kang, Won Shik Kim, Hak-Joon Sung
Human bone marrow-derived mesenchymal stem cells (hMSCs) hold great promise for regenerative medicine due to their multipotent differentiation capacity and immunomodulatory capabilities. Substantial research has elucidated mechanisms by which extracellular cues regulate hMSC fate decisions, but considerably less work has addressed how material properties can be leveraged to maintain undifferentiated stem cells. Here, we show that synthetic culture substrates designed to exhibit moderate cell-repellency promote high stemness and low oxidative stress - two indicators of naïve, healthy stem cells - in commercial and patient-derived hMSCs...
June 16, 2017: ACS Applied Materials & Interfaces
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