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https://www.readbyqxmd.com/read/29333341/preventive-effects-of-salvia-officinalis-leaf-extract-on-insulin-resistance-and-inflammation-in-a-model-of-high-fat-diet-induced-obesity-in-mice-that-responds-to-rosiglitazone
#1
Mohamed R Ben Khedher, Mohamed Hammami, Jonathan R S Arch, David C Hislop, Dominic Eze, Edward T Wargent, Małgorzata A Kępczyńska, Mohamed S Zaibi
Background: Salvia officinalis (sage) is a native plant to the Mediterranean region and has been used for a long time in traditional medicine for various diseases. We investigated possible anti-diabetic, anti-inflammatory and anti-obesity effects of sage methanol (MetOH) extract in a nutritional mouse model of obesity, inflammation and insulin resistance, as well as its effects on lipolysis and lipogenesis in 3T3-L1 cells. Methods: Diet-induced obese (DIO) mice were treated for five weeks with sage methanol extract (100 and 400 mg kg-1/day bid), or rosiglitazone (3 mg kg-1/day bid), as a positive control...
2018: PeerJ
https://www.readbyqxmd.com/read/29332819/chemometric-analysis-of-nmr-and-gc-datasets-for-chemotype-characterization-of-essential-oils-from-different-species-of-ocimum
#2
João Vito B Freitas, Elenilson G Alves Filho, Lorena Mara A Silva, Guilherme J Zocolo, Edy S de Brito, Nilce V Gramosa
The genus Ocimum (Labiatae) comprises 30 species found in tropical and subtropical regions of the planet, of which species O. basilicum L. and O. gratissimum are widely used in food and traditional medicine. Phytochemical studies on Ocimum have revealed a number of essential oil chemotypes, for example, eugenol, methyl chavicol, linalool, and methyl cinnamate. Since essential oils are commercially assessed according to their content, the aim of this study was to develop a simple and precise method for their qualitative and quantitative analysis using NMR spectroscopy combined with chemometrics...
April 1, 2018: Talanta
https://www.readbyqxmd.com/read/29332581/cetuximab-and-the-head-and-neck-squamous-cell-cancer
#3
Riccardo Concu, Maria Natalia Dias Soeiro Cordeiro
The head and neck squamous cell cancer (HNSCC) is the most common type of head and neck cancer (more than 90%), and all over the world more than a half million people have been developing this cancer in the last years. This type of cancer is usually marked by a poor prognosis with a really significant morbidity and mortality. Cetuximab received early favor as an exciting and promising new therapy with relatively mild side effect, and due to this received authorization in the 2004 from the European Medicines Agency (EMA) and in the 2006 from the Food and Drug Association (FDA) for the treatment of patients with squamous cell cancer of the head and neck in combination with radiation therapy for locally advanced disease...
January 12, 2018: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/29331852/no-time-to-waste-organic-waste-nanosizing-converts-remains-of-food-processing-into-refined-materials
#4
Sharoon Griffin, Muhammad Sarfraz, Verda Farida, Muhammad Jawad Nasim, Azubuike P Ebokaiwe, Cornelia M Keck, Claus Jacob
Modern food processing results in considerable amounts of side-products, such as grape seeds, walnut shells, spent coffee grounds, and harvested tomato plants. These materials are still rich in valuable and biologically active substances and therefore of interest from the perspective of waste management and "up-cycling". In contrast to traditional, often time consuming and low-value uses, such as vermicomposting and anaerobic digestion, the complete conversion into nanosuspensions unlocks considerable potentials of and new applications for such already spent organic materials without the need of extraction and without producing any additional waste...
January 11, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29331816/new-robust-sensitive-fluorescence-spectroscopy-coupled-with-plsr-for-estimation-of-quercetin-in-ziziphus-mucronata-and-ziziphus-sativa
#5
Javid Hussain, Fazal Mabood, Ahmed Al-Harrasi, Liaqat Ali, Tania Shamim Rizvi, Farah Jabeen, Syed Abdullah Gilani, Shehla Shinwari, Mushtaq Ahmad, Zahra Khalfan Alabri, Said Hamood Salim Al Ghawi
Flavonoids are natural antioxidants derived from plants and commonly found in a variety of foods to sequester free radicals. Quercetin, belonging to flavonol subclass of flavonoids, has received considerable attention because of its wide uses as a nutritional supplement as well as a phytochemical remedy for a number of diseases. In the current study, quantification of quercetin was carried out in two medicinally important flavonoid rich plant Ziziphus mucronata and Ziziphus sativa. Emission spectroscopy was utilized as a new method coupled with Partial Least Squares Regression (PLSR) and the cross validation was done by UV-Visible spectroscopy...
January 6, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29331210/to-roll-the-eyes-and-snap-a-bite-function-development-and-evolution-of-craniofacial-muscles
#6
REVIEW
Frank R Schubert, Arun J Singh, Oluwatomisin Afoyalan, Chrissa Kioussi, Susanne Dietrich
Craniofacial muscles, muscles that move the eyes, control facial expression and allow food uptake and speech, have long been regarded as a variation on the general body muscle scheme. However, evidence has accumulated that the function of head muscles, their developmental anatomy and the underlying regulatory cascades are distinct. This article reviews the key aspects of craniofacial muscle and muscle stem cell formation and discusses how this differs from the trunk programme of myogenesis; we show novel RNAseq data to support this notion...
January 10, 2018: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/29329891/medical-use-of-cannabis-and-cannabinoids-containing-products-regulations-in-europe-and-north-america
#7
REVIEW
Ran Abuhasira, Liat Shbiro, Yuval Landschaft
In 1937, the United States of America criminalized the use of cannabis and as a result its use decreased rapidly. In recent decades, there is a growing interest in the wide range of medical uses of cannabis and its constituents; however, the laws and regulations are substantially different between countries. Laws differentiate between raw herbal cannabis, cannabis extracts, and cannabinoid-based medicines. Both the European Medicines Agency (EMA) and the United States Food and Drug Administration (FDA) do not approve the use of herbal cannabis or its extracts...
January 10, 2018: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/29329073/nanobiostructure-of-fibrous-like-alumina-functionalized-with-an-analog-of-the-bp100-peptide-synthesis-characterization-and-biological-applications
#8
L M F C Torres, N A Braga, I P Gomes, M T Almeida, T L Santos, J P de Mesquita, L M da Silva, H R Martins, K C Kato, W T P Dos Santos, J M Resende, M C Pereira, M P Bemquerer, M A Rodrigues, R M Verly
The functionalization of alumina nanoparticles of specific morphology with antimicrobial peptides (AMP) can be a promising strategy for modeling medical devices and packaging materials for cosmetics, medicines or food, since the contamination by pathogens could be reduced. In this paper, we show the synthesis of a fibrous-like alumina nanobiostructure, as well as its functionalization with the peptide EAAA-BP100, an analog of the antimicrobial peptide BP100. The antibacterial activity of the obtained material against some bacterial strains is also investigated...
January 3, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29327507/rapid-characterization-of-chlorogenic-acids-in-duhaldea-nervosa-based-on-uhplc-ltq-orbitrap-ms-and-mass-spectral-trees-similarity-filter-technique
#9
Lianghong Liu, Jiayu Zhang, Binjie Zheng, Ying Guan, Liting Wang, Lei Chen, Wei Cai
Duhaldea nervosa (Wallich ex Candolle) A. Anderberg (D. nervosa) has been traditionally used as a food spice and also in folk medicine for treating traumatic injury and relieving rheumatism, especially, accelerating the healing of a fracture. However, so far as we are aware, the chemical constituents have not been fully investigated. In this study, a practical method of mass spectral trees similarity filter, a data-mining technique, was developed and evaluated for the rapid detection and identification complicated constituents based on UHPLC-LTQ-Orbitrap-MS...
January 12, 2018: Journal of Separation Science
https://www.readbyqxmd.com/read/29325842/use-of-dexmedetomidine-in-cardiothoracic-and-vascular-anesthesia
#10
REVIEW
Lucía Gallego-Ligorit, Marc Vives, Jorge Vallés-Torres, T Alberto Sanjuán-Villarreal, Azucena Pajares, Mario Iglesias
Dexmedetomidine is a highly selective α2-adrenergic agonist with analgesic and sedative properties. In the United States, the Food and Drug Administration approved the use of the drug for short-lasting sedation (24 h) in intensive care units (ICUs) in patients undergoing mechanical ventilation and endotracheal intubation. In October 2008, the Food and Drug Administration extended use of the drug for the sedation of nonintubated patients before and during surgical and nonsurgical procedures. In the European Union, the European Medicine Agency approved the use of dexmedetomidine in September 2011 with a single recognized indication: ICU adult patients requiring mild sedation and awakening in response to verbal stimulus...
December 2, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29325476/twelve-weeks-of-ombitasvir-paritaprevir-r-and-dasabuvir-without-ribavirin-is-effective-and-safe-in-the-treatment-of-patients-with-hcv-genotype-1b-infection-and-compensated-cirrhosis-results-from-a-real-world-cohort-study
#11
Esther Chamorro-de-Vega, Alvaro Gimenez-Manzorro, Carmen-Guadalupe Rodriguez-Gonzalez, Vicente Escudero-Vilaplana, Ana De Lorenzo-Pinto, Irene Iglesias-Peinado, Ana Herranz-Alonso, Maria Sanjurjo Saez
OBJECTIVE: To explore the effectiveness and safety of ombitasvir/paritaprevir/ritonavir and dasabuvir (OBV/PTV/r+DSV) for 12 weeks without ribavirin in adults with chronic HCV genotype 1b infection and compensated cirrhosis. METHODS: Observational study of a prospective cohort of adult patients with HCV genotype 1b infection and compensated cirrhosis who received 12 weeks of OBV/PTV/r and DSV without ribavirin. Effectiveness was assessed by recording the percentage of patients achieving sustained virological response at week 12 post-treatment (SVR12)...
January 11, 2018: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/29322778/using-genome-sequence-to-enable-the-design-of-medicines-and-chemical-probes
#12
Alicia J Angelbello, Jonathan L Chen, Jessica L Childs-Disney, Peiyuan Zhang, Zi-Fu Wang, Matthew D Disney
Rapid progress in genome sequencing technology has put us firmly into a postgenomic era. A key challenge in biomedical research is harnessing genome sequence to fulfill the promise of personalized medicine. This Review describes how genome sequencing has enabled the identification of disease-causing biomolecules and how these data have been converted into chemical probes of function, preclinical lead modalities, and ultimately U.S. Food and Drug Administration (FDA)-approved drugs. In particular, we focus on the use of oligonucleotide-based modalities to target disease-causing RNAs; small molecules that target DNA, RNA, or protein; the rational repurposing of known therapeutic modalities; and the advantages of pharmacogenetics...
January 11, 2018: Chemical Reviews
https://www.readbyqxmd.com/read/29320637/rejuvenating-regenerative-medicine-regulation
#13
R Alta Charo, Douglas Sipp
The Food and Drug Administration (FDA) recently made long-awaited progress toward protecting patients from interventions involving human cell- and tissue-based products (HCT/P) of unknown safety and efficacy. By clarifying its position on the handling and therapeutic use of cells, the agency has..
January 10, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29319361/cinnamon-cinnamomum-zeylanicum-as-an-antidote-or-a-protective-agent-against-natural-or-chemical-toxicities-a-review
#14
Mahyar Dorri, Shirin Hashemitabar, Hossein Hosseinzadeh
Cinnamon (Cinnamomum zeylanicum, Lauraceae) is a food additive greatly used for its taste. However, recently this medicinal plant has been brought to attention due to its medical effects. Cinnamon has constituents such as cinnamaldehyde and cinnamic acid that offers some health benefits including antioxidant and free-radical scavenging properties, lowering of blood glucose, anti-cholesterolemic, analgesic, antimicrobial, anti-inflammatory, anti-yeast, anti-secretagogue, and anti-gastric ulcer effects. This review summarizes various in vitro and animal studies on the protective effects of cinnamon against natural and chemical toxins...
January 10, 2018: Drug and Chemical Toxicology
https://www.readbyqxmd.com/read/29319156/overview-of-the-european-medicines-agency-s-development-of-product-specific-bioequivalence-guidelines
#15
Jane O' Sullivan, Kevin Blake, Michael Berntgen, Tomas Salmonson, Jan Welink
The European Medicines Agency's (EMA) product-specific bioequivalence guidelines outline harmonized regulatory requirements for studies to demonstrate bioequivalence for products that may have particular needs due to their pharmacokinetics, in addition to those outlined in general guidance. As such they are potentially very useful to the pharmaceutical industry in the development of generic medicinal products and to regulatory authorities for harmonized decision-making. Since their introduction in 2013, EMA product-specific bioequivalence guidelines continue to increase in number, and as of June 2017, encompass a number of different pharmacotherapeutic groups and pharmaceutical forms...
December 5, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29318884/inhibition-of-epithelial-mesenchymal-transition-and-tissue-regeneration-by-waterborne-titanium-dioxide-nanoparticles
#16
Xiaojiao Li, Lele Song, Xingjie Hu, Chang Liu, Jiye Shi, Hui Wang, Lixing Zhan, Haiyun Song
Titanium dioxide nanoparticles (TiO2NPs) are among the most widely manufactured nanomaterials with broad applications in food industry, cosmetics and medicine. Whereas the toxicity of TiO2NPs at high doses has been extensively explored, potential health risks of TiO2NPs exposure at non-toxic concentrations remain poorly understood. Epithelial-mesenchymal transition (EMT) plays pivotal roles in a diversity of physiological and pathological processes including tissue regeneration and cancer metastasis. In this study, we find that cellular uptake of TiO2NPs inhibits EMT-mediated cell remodeling and cell migration without exhibiting cytotoxicity...
January 10, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29318007/severe-haematuria-of-lower-urinary-tract-origin-with-low-dose-dabigatran-use-in-three-indian-elderly-patients-unresolved-issues-in-the-safety-of-novel-oral-anticoagulants
#17
Upinder Kaur, Sankha Shubhra Chakrabarti, Sukdev Manna, Indrajeet Singh Gambhir
Dabigatran is a newer oral direct thrombin inhibitor approved by the United States Food and Drug Administration and the European Medicines Agency (EMA). The proper dosage of the drug, the potential for adverse drug reactions and the nature of bleeds with use of this drug as with other novel oral anticoagulants (NOACs), in the elderly population are still areas of uncertainty. Despite the existence of a specific antibody, idarucizumab which is an antidote to dabigatran toxicity, management of dabigatran-induced bleeds is an undefined area especially in resource constrained settings...
January 2018: Therapeutic Advances in Drug Safety
https://www.readbyqxmd.com/read/29317823/european-perspective-on-the-management-of-rheumatoid-arthritis-clinical-utility-of-tofacitinib
#18
REVIEW
Paweł Kawalec, Katarzyna Śladowska, Iwona Malinowska-Lipień, Tomasz Brzostek, Maria Kózka
Xeljanz® (tofacitinib) is an oral small-molecule inhibitor that reversibly inhibits Janus-activated kinase (JAK)-dependent cytokine signaling, thus reducing inflammation. As a result of these mechanisms, effects on the immune system such as a moderate decrease in the total lymphocyte count, a dose-dependent decrease in natural killer (NK) cell count, and an increase in B-cell count have been observed. Therefore, tofacitinib provides an innovative approach to modulating the immune and inflammatory responses in patients with rheumatoid arthritis (RA), which is especially important in individuals who do not respond to tumor necrosis factor inhibitors or show a loss of response over time...
2018: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/29316974/protective-effects-of-mentha-piperita-l-leaf-essential-oil-against-ccl4-induced-hepatic-oxidative-damage-and-renal-failure-in-rats
#19
Khaled Bellassoued, Anis Ben Hsouna, Khaled Athmouni, Jos van Pelt, Fatma Makni Ayadi, Tarek Rebai, Abdelfattah Elfeki
BACKGROUND: Mentha piperita L. is a flowering plant belonging to the Lamiaceae family. Mentha plants constitute one of the main valuable sources of essential oil used in foods and for medicinal purposes. METHODS: The present study aimed to investigate the composition and in vitro antioxidant activity of Mentha piperita leaf essential oil (MpEO). A single dose of CCl4 was used to induce oxidative stress in rats, which was demonstrated by a significant rise of serum enzyme markers...
January 9, 2018: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29315702/strategies-to-target-the-hedgehog-signaling-pathway-for-cancer-therapy
#20
REVIEW
Minhang Xin, Xinyue Ji, Ladie Kimberly De La Cruz, Suresh Thareja, Binghe Wang
Hedgehog (Hh) signaling is an essential pathway in the human body, and plays a major role in embryo development and tissue patterning. Constitutive activation of the Hh signaling pathway through sporadic mutations or other mechanisms is explicitly associated with cancer development and progression in various solid malignancies. Therefore, targeted inhibition of the Hh signaling pathway has emerged as an attractive and validated therapeutic strategy for the treatment of a wide range of cancers. Vismodegib, a first-in-class Hh signaling pathway inhibitor was approved by the US Food and Drug Administration in 2012, and sonidegib, another potent Hh pathway inhibitor, received FDA's approval in 2015 as a new treatment of locally advanced or metastatic basal cell carcinoma...
January 5, 2018: Medicinal Research Reviews
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