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https://www.readbyqxmd.com/read/28537412/-solid-pseudopapillary-neoplasms-of-the-pancreas
#1
J Tesaříková, M Loveček, Č Neoral, K Vomáčková, L Bébarová, P Skalický
INTRODUCTION: Solid pseudopapillary neoplasm (SPN) is a very rare neoplasm that occurs in girls and young women in 90% of cases; the range is 779 years of age, and the median is 28 years of age. This tumour was first described by Virginia Frantz in 1959 as a papillary cystic tumour of the pancreas. METHODS: The aim of this retrospective study was to analyse the incidence of SPN in all patients with a pancreatic tumour operated at the 1st Dept. of Surgery, University Hospital Olomouc between years 2006 and 2015...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28502905/inhibition-of-proinflammatory-mediators-by-coumaroyl-lupendioic-acid-a-new-lupane-type-triterpene-from-careya-arborea-on-inflammation-induced-animal-model
#2
Rayhana Begum, Manjur Ali Sheliya, Showkat R Mir, Ekta Singh, Manju Sharma
ETHNOPHARMACOLOGICAL RELEVANCE: Careya arborea Roxb. (Lecythidaceae) is a large tree found throughout India in deciduous forests and grasslands. C. arborea is traditionally used in tumors, inflammation, anthelmintic, bronchitis, epileptic fits, astringents, antidote to snake-venom, skin disease, diarrhea, dysentery with bloody stools, dyspepsia, ulcer, tooth ache, and ear pain. AIM OF THE STUDY: In our previous work, the methanolic extract of Careya arborea stem bark showed significant anti-inflammatory activity...
May 11, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28491940/data-on-eleven-sesquiterpenoids-from-the-cultured-mycelia-of-ganoderma-capense
#3
Zhen Tan, Jinlian Zhao, Jimei Liu, Min Zhang, Ridao Chen, Kebo Xie, Jungui Dai
The data included in this paper are associated with the research article entitled "Sesquiterpenoids from the cultured mycelia of Ganoderma capense" [1]. (1)H NMR, (13)C NMR, DEPT, HSQC, (1)H-(1)H COSY, HMBC, NOESY, HRESIMS, and IR spectra of Ganodermanol A-H (1-11), together with Mo2(AcO)4-induced CD spectrum of Ganodermanol A, CD spectra of Ganodermanol D-E were included in the Data in Brief article. In addition, the cytotoxicities and anti-HIV-1 activity of isolated compounds were also included in the Data in Brief article...
June 2017: Data in Brief
https://www.readbyqxmd.com/read/28489013/-incidence-cause-and-treatment-of-colonic-perforations-in-iceland-1998-2007-a-nationwide-study
#4
Kristin Jonsdottir, Elsa B Valsdottir, Shreekrishna Datye, Fritz Berndsen, Pall Helgi Moller
INTRODUCTION: Colon perforation is a serious illness with mortality reported from 0-39%. Surgery used to be the gold standard but treatment has changed as studies have indicated comparable results with less invasive treatment. The aim of this study was to evaluate the incidence of acute colon perforations in Iceland, causes and treatment. MATERIAL AND METHODS: A retrospective, nationwide, multicenter analysis was performed based on ICD-10 codes from databases of the main hospitals in Iceland...
February 2017: Læknablađiđ
https://www.readbyqxmd.com/read/28479735/cucurbitane-type-triterpenoids-from-the-blood-glucose-lowering-extracts-of-coccinia-indica-and-momordica-balsamina-fruits
#5
Ujjwal Kaushik, Vidhu Aeri, R Mir Showkat, Mohammad Ali
CONTEXT: Few vegetables that are commonly consumed in India as part of diet have been claimed for their antidiabetic potential. OBJECTIVE: The present study was aimed at evaluating preventive effects of cucurbit vegetables namely, Coccinia indica and Momordica balsamina belonging to family Cucurbitaceae in diabetic hyperglycemia. MATERIALS AND METHODS: The fruits of M. balsamina and C. indica were extracted with chloroform and fractionated with hexane to prepare an extract rich in moderately polar components...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28465526/%C3%AF-development-%C3%AF-%C3%AF-of%C3%AF-%C3%AF-%C3%AF-a-facescan-3d-facial-reconstruction-technology-method%C3%A2-for-quantitative-evaluation%C3%A2-of-cheilitis-granulomatosa
#6
Chang-Qing Mu, Shi-Qin Wang, Yang Liu, Chun-Lei Li, Xiao-Sheng Hu, Hong Hua
We explored the applicability of Facescan three-dimensional (3D) facial reconstruction technology for adjunctive diagnosis and therapeutic evaluation of cheilitis granulomatosa (CG) in 33 patients with CG and 29 healthy controls at the Dept. of Oral Medicine, Peking University, School and Hospital of Stomatology (PKUSS), from January 2015 to May 2016. The Facescan structured-light 3D facial reconstruction scanner was used to scan the scope of lips in both groups, in order to acquire 3D morphological data of the lips...
May 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28448888/isolation-identification-and-characterization-of-potential-impurities-of-anidulafungin
#7
Lanning Zhao, Qilong Wang, Yi Bie, Xiaoxia Lu
Eight impurities ranging from 0.03 to 0.97% in anidulafungin bulk drug were detected by HPLC. Four impurities (Imp-I, Imp-II, Imp-III and Imp-VIII) among impurities were isolated from the self-prepared or marketed samples of anidulafungin bulk drug by means of preparative HPLC. A thorough study was undertaken to characterize these impurities and based on 1D ((1)H, (13)C, H-D, DEPT 90 and 135) and 2D (COSY, TOCSY, HSQC, HMBC) NMR and ESI-MS spectral data. Based on the characterization data, Imp-I was found to be known open-chain hydrolysis product formed during the synthesis and degradation...
April 17, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28440576/new-cascarosides-from-rhamnus-purshiana-and-fragmentation-studies-of-the-class-by-it-ms
#8
Daniel P Demarque, Danielle R Pinho, Daniel R Callejon, Gibson G de Oliveira, Denise B Silva, Carlos A Carollo, Norberto P Lopes
RATIONALE: Anthrone and oxanthrone are important anthraquinone derivatives present in medicinal plants and are used in therapeutics as laxatives. Some of these plants need to be stored at least one year before they can be used in order to oxidize anthrones into oxanthrones, so to avoid severe diarrhea and dehydration. Therefore, this work aimed to characterize fragmentation reactions between these anthraquinones to provide an easy way to differentiate between the two classes, since it is necessary and important to discriminate and identify these derivatives in laxative plants and phytotherapic drugs...
April 25, 2017: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/28433158/characterization-of-a-sulfated-galactoglucan-from-antrodia-cinnamomea-and-its-anticancer-mechanism-via-tgf%C3%AE-fak-slug-axis-suppression
#9
Mei-Kuang Lu, Tung-Yi Lin, Chun-Hao Hu, Chi-Hsein Chao, Chia-Chuan Chang, Hsien-Yeh Hsu
A sulfated 1,4-β-d-galactoglucan (B86-III) with 1,6-branches was isolated and identified from Antrodia cinnamomea. The repeating unit of B86-III was proposed based on one-dimensional 1D ((1)H, (13)C and DEPT-135) and 2D (DQF-COSY, TOCSY, HSQC and HMBC) NMR spectra. The conformation of the sugars was hypothesized to be a rare boat form instead of a (4)C1 chair form. The sulfate substitutions were suggested to be on the C-2 and C-3 positions, resulting in the following structure: B86-III inhibited the viability of H1975 lung cancer cells via cell apoptosis, including the activation of caspase 3 and PARP...
July 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28423800/project-peach-at-uclh-student-projects-in-healthcare-computing
#10
Navin Ramachandran, Dean Mohamedally, Paul Taylor
A collaboration between clinicians at UCLH and the Dept of Computer Science at UCL is giving students of computer science the opportunity to undertake real healthcare computing projects as part of their education. This is enabling the creation of a significant research computing platform within the Trust, based on open source components and hosted in the cloud, while providing a large group of students with experience of the specific challenges of health IT.
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28345710/desktop-nmr-for-structure-elucidation-and-identification-of-strychnine-adulteration
#11
Kawarpal Singh, Bernhard Blümich
Elucidating the structure of complex molecules is difficult at low magnetic fields due to the overlap of different peak multiplets and second-order coupling effects. This is even more challenging for rigid molecules with small chemical shift differences and with prochiral centers. Since low-field NMR spectroscopy is sometimes presumed as restricted to the analysis of only small and simple molecules, this paper aims at countering this misconception: it demonstrates the use of low-field NMR spectroscopy in chemical forensics for identifying strychnine and its counterions by exploring the chemical shift as a signature in different 1D (1)H and (13)C experiments...
May 2, 2017: Analyst
https://www.readbyqxmd.com/read/28333275/anti-m%C3%A3-llerian-hormone-inhibits-activation-and-growth-of-bovine-ovarian-follicles-in-vitro-and-is-localized-to-growing-follicles
#12
M Y Yang, R A Cushman, J E Fortune
STUDY QUESTION: Does anti-Müllerian hormone (AMH) inhibit activation (initiation of growth) of primordial follicles and attenuate the growth of primary follicles in cattle, an excellent animal model for human ovarian follicular development? SUMMARY ANSWER: AMH inhibited activation of bovine primordial follicles and attenuated the growth of activated follicles in vitro. WHAT IS KNOWN ALREADY: In mice null mutant for AMH, the pool of primordial follicles is depleted prematurely and AMH inhibits follicle activation in vitro...
May 1, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28330230/isolation-and-biological-evaluation-of-n-4-aminocyclooctyl-3-5-dinitrobenzamide-a-new-semisynthetic-derivative-from-the-mangrove-associated-actinomycete-pseudonocardia-endophytica-vuk-10
#13
Usha Kiranmayi Mangamuri, Muvva Vijayalakshmi, Sudhakar Poda, Bramanandam Manavathi, Bhujangarao Chitturi, Venkateswarlu Yenamandra
The present study was aimed to isolate novel bioactive compounds from actinomycetes species isolated from mangrove habitats. With this connection, Pseudonocardia endophytica (VUK-10) was isolated using dilution plate technique and was examined for its secondary metabolite profiling. After successive purification and spectroscopic characterization viz., FTIR, mass, NMR, DEPT, HMQC, HMBC, and COSY spectroscopy, two compounds were identified including a semi synthetic derivative N-(4-aminocyclooctyl)-3, 5-dinitrobenzamide (1), obtained from the precursor of novel natural product cyclooctane-1,4-diamine (3), along with a known compound 3-((1H-indol-6-yl) methyl) hexahydropyrrolo [1, 2-a] pyrazine-1, 4-dione (2)...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28287291/-the-blood-glucose-value-not-necessarily-indicates-correctly-the-cellular-metabolic-state
#14
Kornél Simon, István Wittmann
In clinical recommendations the normalized blood glucose level is declared as the main target in therapy of diabetes mellitus, i.e. the achievement of euglycemia is the main therapeutic goal. This approach suggests, that the normal blood glucose value is the marker of the normal carbohydrate metabolism (eumetabolism), and vice versa: hyperglycemia is associated with abnormal metabolism (dysmetabolism). However the question arises, whether identical blood glucose values do reflect the same intracellular biochemical mechanisms? On the basis of data published in the literature authors try to answer these questions by studying the relations between the short/longterm blood glucose level and the cellular metabolism in different clinical settings characterized by divergent pathophysiological parameters...
March 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28278658/new-naphthalene-derivative-from-the-leaves-of-cassia-grandis-l
#15
Pham Thi Nhat Trinh, Ngoc Quoc Luan, Mai Dinh Tri, Vu Duy Khanh, Nguyen Huu An, Phan Nhat Minh, Pham Ngoc An, Nguyen Thi Le Thuy, Nguyen Kim Phi Phung, Le Tien Dung
Cassia grandis is used for the treatment of skin disorders, back pain, aches, etc. in Vietnamese traditional medicine. In this paper, phytochemicals of the leaves were investigated. A new naphthalene derivative (1, cassgranon D) and, seven known compounds rutin (2), afzelin (3), quercitrin (4), epicatechin (5), (-)-epiafzelechin (6), isoquercitrin (7) and aloe emodin (8) were isolated from the ethyl acetate and methanol extracts. Their structures were elucidated by spectral evidences (UV, IR, MS, (1)H, (13)C, DEPT, HSQC and HMBC NMR), as well as by comparing with published data...
February 16, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28250656/new-cytotoxic-cembranoid-from-indonesian-soft-coral-sarcophyton-sp
#16
Hedi Indra Januar, Neviaty Putri Zamani, Dedi Soedharma, Ekowati Chasanah
CONTEXT: Sarcophyton is a soft coral species that contains various secondary metabolites with cytotoxic activity. The production of cytotoxic compounds in soft corals is suggested as their allelochemical to win space competition. Therefore, if a particular soft coral species dominates a reef area, it may suggest to contain interesting bioactive compounds. AIMS: This research aimed to characterize the cytotoxic compounds in dominant soft coral species (Sarcophyton sp...
January 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/28221758/synthesis-and-fabrication-of-collagen-coated-ostholamide-electrospun-nanofiber-scaffold-for-wound-healing
#17
Subramani Kandhasamy, Sathiamurthi Perumal, Balaraman Madhan, Narayanan Umamaheswari, Javid Ahmad Banday, Paramasivan Thirumalai Perumal, Vichangal Pridiuldi Santhanakrishnan
A novel scaffold for effective wound healing treatment was developed utilizing natural product bearing collagen-based biocompatible electrospun nanofibers. Initially, ostholamide (OSA) was synthesized from osthole (a natural coumarin), characterized by (1)H, (13)C, DEPT-135 NMR, ESI-MS, and FT-IR spectroscopy analysis. OSA was incorporated into polyhydroxybutyrate (PHB) and gelatin (GEL), which serve as templates for electrospun nanofibers. The coating of OSA-PHB-GEL nanofibers with collagen resulted in PHB-GEL-OSA-COL nanofibrous scaffold which mimics extracellular matrix and serves as an effective biomaterial for tissue engineering applications, especially for wound healing...
March 1, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28191810/gist-institutional-experience-at-srms-ims-india
#18
Shubhanshu Gupta, Keshri Amit, Ashish Gupta, Tanu Argawal
Gastro-Intestinal Stromal Tumors (GIST) is a malignant, non-epithelial, mesenchymal tumor of the digestive tract that is not uncommon in clinical practice nowadays; diagnosis being based upon immuno-histo-chemical analysis of the resected or biopsied (FNAC) specimen. Abdominal lump with or without intra-luminal bleed is a common mode of presentation. Early diagnosis and appropriate management with surgery and/or Imatinib therapy improves recurrence free survival and may impact overall survival. We present here our institutional experience of four patients, admitted in Onco-Surgery Dept...
September 2016: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28183048/potential-impurities-of-anxiolytic-drug-clobazam-identification-synthesis-and-characterization-using-hplc-lc-esi-ms-n-and-nmr
#19
Neeraj Kumar, Subba Rao Devineni, Shailendra Kumar Dubey, Pramod Kumar
During the optimization of process, eight impurities (CLB Imp-A to CLB Imp-H) were detected in few of the laboratory batches of clobazam, used as anxiolytic agent, in the range of 0.02-0.12% using gradient HPLC method with UV detection. On the basis of co-spiking analysis, six impurities (CLB Imp-A to -F) enumerated by European Pharmacopoeia, however, not reported in the earlier literature, have been harmonized and found to be two impurities are completely unknown (CLB Imp-G and -H). These two new impurities structures were presumed based on LC-ESI/MS(n) study as 8-chloro-1-methyl-5-phenyl-1,5-dihydro-3H-1,5-benzodiazepine-2,4-dione (CLB Imp-G) and 5-chloro-1-methyl-3-phenyl-1H-benzo[d]imidazol-2(3H)-one (CLB Imp-H)...
January 29, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28152388/spectral-characterization-and-antibacterial-activity-of-an-isolated-compound-from-memecylon-edule-leaves
#20
R Srinivasan, D Natarajan, M S Shivakumar
Memecylon edule Roxb. (Melastamataceae family) is a small evergreen tree reported as having ethnobotanical and pharmacological properties. The present study was aimed to investigate the spectral characterization and antibacterial activity of isolated pure compound (3β-hydroxyurs-12-en-28-oic acid (ursolic acid)) from Memecylon edule leaves by performing bioassay guided isolation method. The structure derivation of isolated compound was done by different spectral studies like UV, FT-IR, LC-MS, CHNS analysis, 1D ((1)H, (13)C and DEPT-135) and 2D-NMR (HSQC and HMBC), respectively...
March 2017: Journal of Photochemistry and Photobiology. B, Biology
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