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https://www.readbyqxmd.com/read/28651236/tanshinone-i-alleviates-insulin-resistance-in-type-2-diabetes-mellitus-rats-through-irs-1-pathway
#1
Ying Wei, Jiaqi Gao, Lingling Qin, Yunling Xu, Dongchao Wang, Haoxia Shi, Tunhai Xu, Tonghua Liu
Tanshinone I from tanshen has been used in traditional Chinese medicine for treating cardiovascular diseases and inflammatory diseases. Given the link between inflammation and Type 2 diabetes mellitus (T2DM), we suspect that tanshinone I may have a beneficial effect on T2DM. This study was to investigate the potential effects of tanshinone I on T2DM and its underlying mechanism. T2DM was thus induced in Sprague-Dawley (SD) rats using streptozotocin (STZ) and high-fat diet. It was observed that T2DM rats had higher levels of total cholesterol (TC), nonesterified fatty acids (NEFAs), total triglyceride (TG) and total low density lipoprotein cholesterol (LDL-C) compared with normal, healthy SD rats...
June 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28650707/a-review-of-radiation-countermeasures-focusing-on-injury-specific-medicinals-and-regulatory-approval-status-part-i-radiation-sub-syndromes-animal-models-and-fda-approved-countermeasures
#2
Vijay K Singh, Thomas M Seed
PURPOSE: The increasing global risk of nuclear and radiological accidents or attacks has driven renewed research interest in developing medical countermeasures to potentially injurious exposures to acute irradiation. Clinical symptoms and signs of a developing acute radiation injury, i.e. the acute radiation syndrome, are grouped into three sub-syndromes named after the dominant organ system affected, namely the hematopoietic, gastrointestinal, and neurovascular systems. The availability of safe and effective countermeasures against the above threats currently represents a significant unmet medical need...
June 26, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/28650133/imaging-in-primary-hyperparathyroidism-focus-on-the-evidence-based-diagnostic-performance-of-different-methods
#3
Giorgio Treglia, Pierpaolo Trimboli, Martin Huellner, Luca Giovanella
BACKGROUND: Primary hyperparathyroidism (PHPT) is a common endocrine disorder usually due to hyperfunctioning parathyroid glands (HP). Surgical removal of HP is the main treatment in PHPT, particularly in symptomatic patients. The correct detection and localization of HP is challenging and crucial as it may guide surgical treatment in patients with PHPT. To date, different imaging methods have been used to detect and localize HP in patients with PHPT including radiology, nuclear medicine and hybrid techniques...
June 23, 2017: Minerva Endocrinologica
https://www.readbyqxmd.com/read/28649019/a-preliminary-study-for-the-production-of-high-specific-activity-radionuclides-for-nuclear-medicine-obtained-with-the-isotope-separation-on-line-technique
#4
F Borgna, M Ballan, S Corradetti, E Vettorato, A Monetti, M Rossignoli, M Manzolaro, D Scarpa, U Mazzi, N Realdon, A Andrighetto
Radiopharmaceuticals represent a fundamental tool for nuclear medicine procedures, both for diagnostic and therapeutic purposes. The present work aims to explore the Isotope Separation On-Line (ISOL) technique for the production of carrier-free radionuclides for nuclear medicine at SPES, a nuclear physics facility under construction at INFN-LNL. Stable ion beams of strontium, yttrium and iodine were produced using the SPES test bench (Front-End) to simulate the production of (89)Sr, (90)Y, (125)I and (131)I and collected with good efficiency on suitable targets...
June 17, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28648929/toxicological-effects-of-nux-vomica-in-rats-urine-and-serum-by-means-of-clinical-chemistry-histopathology-and-1-h-nmr-based-metabonomics-approach
#5
Yunfei Fan, Shaofeng Liu, Xiaodong Chen, Meirou Feng, Fenyun Song, Xiaoxia Gao
ETHNOPHARMACOLOGICAL RELEVANCE: The dried ripe seeds of Nux Vomica (Strychnos nux-vomica L.), a traditional Chinese medicine, have been used to treat multifarious symptoms. However, the clinical applications of Nux Vomica are limited by its severe toxicity. In this study, Nux Vomica was subjected to nuclear magnetic resonance (NMR) metabonomics and pathological examination to determine relevant biomarkers in target organs and to explain the underlying toxicity mechanism. MATERIALS AND METHOD: Thirty-six male Sprague-Dawley rats were randomly divided into three groups of twelve rats...
June 22, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28648927/silibinin-capsules-improves-high-fat-diet-induced-nonalcoholic-fatty-liver-disease-in-hamsters-through-modifying-hepatic-de-novo-lipogenesis-and-fatty-acid-oxidation
#6
Chun-Xue Cui, Jing-Na Deng, Li Yan, Yu-Ying Liu, Jing-Yu Fan, Hong-Na Mu, Hao-Yu Sun, Ying-Hong Wang, Jing-Yan Han
ETHNOPHARMACOLOGICAL RELEVANCE: Silibinin Capsules (SC) is a silybin-phospholipid complex with silybin as the bioactive component. Silybin accounts for 50-70% of the seed extract of Silybum marianum (L.) Gaertn.. As a traditional medicine, silybin has been used for treatment of liver diseases and is known to provide a wide range of hepatoprotective effects. AIM OF THE STUDY: High fat diet (HFD)-induced nonalcoholic fatty liver disease (NAFLD) is a worldwide health problem...
June 22, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28648253/statistical-validation-of-1-h-nmr-protocol-vs-standard-biochemical-assay-in-quality-control-of-rbc-packed-units
#7
Thelma A Pertinhez, Emanuela Casali, Laura Zambianchi, Alberto Spisni, Roberto Baricchi
BACKGROUND: Time dependent quantification of endogenous metabolites in biological samples (blood, urine, biological tissues extracts) in normal and pathological conditions as well as following therapeutic protocols is well established. In the clinical practice, such a dynamic flux of information allows the physician to identify and appreciate alterations associated to biochemical pathways of specific organs. In the years, many biochemical assays have been developed to detect, selectively, this vast array of molecules...
June 15, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28646645/comorbidity-assessment-in-patients-with-oral-squamous-cell-carcinoma-can-imaging-techniques-fludeoxyglucose-positron-emission-tomographic-computed-tomography-and-contrast-enhanced-computed-tomography-provide-additional-information
#8
Matthias Troeltzsch, Florian Andreas Probst, Axel Rominger, Ulrich Müller-Lisse, Monika Probst, Katharina Obermeier, Michael Ehrenfeld, Sven Otto
PURPOSE: This study evaluated the role of imaging staging examinations (positron-emission tomographic computed tomography [PET/CT] and contrast-enhanced computed tomography [ceCT]) for the assessment of the comorbidity status of patients with oral squamous cell carcinoma (OSCC). A binary null hypothesis was drafted: 1) imaging staging examinations do not augment knowledge about the comorbidity status of patients with OSCC and 2) there is no difference between PET/CT and ceCT in this regard...
May 31, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28644616/importance-of-a-fully-anharmonic-treatment-of-equilibrium-isotope-fractionation-properties-of-dissolved-ionic-species-as-evidenced-by-li-aq
#9
Romain Dupuis, Magali Benoit, Mark E Tuckerman, Merlin Méheut
Equilibrium fractionation of stable isotopes is critically important in fields ranging from chemistry, including medicinal chemistry, electrochemistry, geochemistry, and nuclear chemistry, to environmental science. The dearth of reliable estimates of equilibrium fractionation factors, from experiment or from natural observations, has created a need for accurate computational approaches. Because isotope fractionation is a purely quantum mechanical phenomenon, exact calculation of fractionation factors is nontrivial...
June 23, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28644425/significance-of-parathyroid-scintigraphy-and-correlation-of-findings-with-parathyroid-hormone-values-in-patients-undergoing-hemodialysis
#10
Nermana Ahmetbegović, Nadira Suljagić, Vahidin Katica
Aim To compare finding of thyroid gland scintigraphy with serum concentration of parathyroid hormone in patients undergoing hemodialysis. Methods This retrospective-prospective study included 50 patients undergoing hemodialysis with established hyperparathyroidism who were treated at Cantonal Hospital Zenica in the period 2009 - 2014. Besides anthropological data, concentration of parathyroid hormone in serum of patients was monitored too. Scintigraphy was performed at the Department of Nuclear Medicine using two-headed gamma camera Prism 2000xp...
August 1, 2017: Medicinski Glasnik
https://www.readbyqxmd.com/read/28643106/-new-and-old-aspects-of-retroperitoneal-fibrosis
#11
REVIEW
A S Brandt, N M Dreger, E Müller, S Kukuk, S Roth
Retroperitoneal fibrosis (RPF) is an uncommon chronic inflammatory disease of the rear abdomen and it is commonly associated with the complication of uni- or bilateral hydronephrosis. Despite the rarity of this disease, multiple publications concerning etiology, diagnosis, therapy monitoring and both medical and surgical therapy have been published in recent years. Recent research has focused on asbestos exposure as a possible risk factor, the meaning of IgG4-associated RPF, measuring disease activity using different radiological and nuclear medicine procedures, and new approaches to medical therapy...
June 22, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28643003/recent-developments-in-solution-nuclear-magnetic-resonance-nmr-based-molecular-biology
#12
REVIEW
Joshua J Ziarek, Diego Baptista, Gerhard Wagner
Visualizing post-translational modifications, conformations, and interaction surfaces of protein structures at atomic resolution underpins the development of novel therapeutics to combat disease. As computational resources expand, in silico calculations coupled with experimentally derived structures and functional assays have led to an explosion in structure-based drug design (SBDD) with several compounds in clinical trials. It is increasingly clear that "hidden" transition-state structures along activation trajectories can be harnessed to develop novel classes of allosteric inhibitors...
June 23, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28641522/advances-on-ppar%C3%AE-research-in-the-emerging-era-of-precision-medicine
#13
Pinyi Lu, Zhongming Zhao
BACKGROUND: Peroxisome proliferator-activated receptor gamma (PPARγ) is a member of the nuclear receptor superfamily that functions as a ligand-inducible transcription factor. It regulates glucose and lipid metabolism, immunity, and cellular growth and differentiation. Thiazolidinediones (TZDs) are potent insulin sensitizers that function by activating PPARs, with a high specificity for PPARγ. Due to their ability to preserve pancreatic beta cell function and reduce insulin resistance, TZDs have become one of the most prescribed classes of medications for type 2 diabetes (T2D) since their approval by the US Food and Drug Administration (FDA) and initial use in 1997...
June 21, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28641051/beneficial-role-of-citrus-fruit-polyphenols-against-hepatic-dysfunctions-a-review
#14
Md Mohabbulla Mohib, Kazi Afnan, Tasfiq Zaman Paran, Salma Khan, Juthika Sarker, Nahid Hasan, Istiaque Hasan, Md Abu Taher Sagor
Alcoholic liver diseases and virus-induced hepatic dysfunctions are prevalent in western countries. Evidence also suggests that hyperglycemia and insulin resistance are key players in the development of hepatic diseases and their complications. Since the comorbid diseases like obesity, diabetes and vascular dysfunctions primarily affect liver, the modern therapies against other hepatic dysfunctions are becoming a major challenge to treat. In addition to these, polypharmacy and adverse drug reactions (ADRs) are further aggravating the phenomenon...
June 22, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/28639953/impressive-paget-disease-of-the-lumbar-spine-masks-the-coexisting-multiple-myeloma
#15
Xiao Zhong, Yunxia Ye, Xiaohong Ou
Multimodality imaging, including MRI, bone scintigraphy, and FDG PET/CT, was performed to evaluate a 49-year-old man who had right hip and lower limb pain for 4 months because possible malignancy was suspected. All 3 modalities showed obvious Paget disease of the lumbar spine. However, less impressive increased activity was also noted on FDG PET/CT images. Subsequent laboratory tests and pathology examination leads to diagnosis of multiple myeloma. Our case further confirms the notion that it is insufficient to focus on the most obvious and unintentionally overlook the less impressive findings in interpreting nuclear medicine images...
June 20, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28639924/cushing-syndrome-diagnostic-workup-and-imaging-features-with-clinical-and-pathologic-correlation
#16
Nicolaus A Wagner-Bartak, Ali Baiomy, Mouhammed Amir Habra, Shalini V Mukhi, Ajaykumar C Morani, Brinda R Korivi, Steven G Waguespack, Khaled M Elsayes
OBJECTIVE: Cushing syndrome (CS) is a constellation of clinical signs and symptoms resulting from chronic exposure to excess cortisol, either exogenous or endogenous. Exogenous CS is most commonly caused by administration of glucocorticoids. Endogenous CS is subdivided into two types: adrenocorticotropic hormone (ACTH) dependent and ACTH independent. CONCLUSION: Cushing disease, which is caused by a pituitary adenoma, is the most common cause of ACTH-dependent CS for which pituitary MRI can be diagnostic, with bilateral inferior petrosal sinus sampling useful in equivocal cases...
July 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28639310/high-resolution-31-p-echo-planar-spectroscopic-imaging-in-vivo-at-7t
#17
Andreas Korzowski, Peter Bachert
PURPOSE: Conventional (31) P chemical shift imaging is time-consuming and yields only limited spatial resolution. The purpose of this study was to demonstrate feasibility of (31) P echo-planar spectroscopic imaging (EPSI) in vivo at 7T. METHODS: A 3D (31) P EPSI sequence with trapezoidal-shaped gradient pulses was implemented on a 7T MR scanner. To increase spectral width with reduced demand on gradient performance, a multishot approach was chosen. Acquisition weighting and (31) P-{(1) H} double resonance for nuclear Overhauser signal enhancement were applied to increase sensitivity...
June 21, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28637964/how-to-utilize-the-nuclear-medicine-division
#18
Hiroyuki Tsushima
No abstract text is available yet for this article.
2017: Nihon Hoshasen Gijutsu Gakkai Zasshi
https://www.readbyqxmd.com/read/28632200/the-beginning-and-development-of-the-theranostic-approach-in-nuclear-medicine-as-exemplified-by-the-radionuclide-pair-86-y-and-90-y
#19
Frank Rösch, Hans Herzog, Syed M Qaim
In the context of radiopharmacy and molecular imaging, the concept of theranostics entails a therapy-accompanying diagnosis with the aim of a patient-specific treatment. Using the adequate diagnostic radiopharmaceutical, the disease and the state of the disease are verified for an individual patient. The other way around, it verifies that the radiopharmaceutical in hand represents a target-specific and selective molecule: the "best one" for that individual patient. Transforming diagnostic imaging into quantitative dosimetric information, the optimum radioactivity (expressed in maximum radiation dose to the target tissue and tolerable dose to healthy organs) of the adequate radiotherapeutical is applied to that individual patient...
June 20, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28631036/practical-recommendations-for-radium-223-treatment-of-metastatic-castration-resistant-prostate-cancer
#20
Yong Du, Ignasi Carrio, Giuseppe De Vincentis, Stefano Fanti, Harun Ilhan, Caroline Mommsen, Egbert Nitzsche, Francis Sundram, Wouter Vogel, Wim Oyen, Val Lewington
PURPOSE: Radium Ra 223 dichloride (radium-223, Xofigo®) is the first targeted alpha therapy for patients with castration-resistant prostate cancer and symptomatic bone metastases. Radium-223 provides a new treatment option for this setting, but also necessitates a new treatment management approach. We provide straightforward and practical recommendations for European nuclear medicine centres to optimize radium-223 service provision. METHODS: An independent research consultancy agency observed radium-223 procedures and conducted interviews with all key staff members involved in radium-223 treatment delivery in 11 nuclear medicine centres across six countries (Germany, Italy, the Netherlands, Spain, Switzerland and the UK) experienced in administering radium-223...
June 19, 2017: European Journal of Nuclear Medicine and Molecular Imaging
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