Terretonins from Aspergillus Genus: Structures, Biosynthesis, Bioactivities, and Structural Elucidation

2021 ◽  
Vol 18 ◽  
Author(s):  
Sabrin R.M. Ibrahim ◽  
Gamal A. Mohamed ◽  
Hani M.K. Kamal ◽  
Shaimaa G.A. Mohamed ◽  
Amgad I.M. Khedr
Keyword(s):  
Structural Characterization ◽  
Literature Search ◽  
Web Of Science ◽  
Structural Elucidation ◽  
Aspergillus Species ◽  
Google Scholar ◽  
Lead Compounds ◽  
Current Review ◽  
Therapeutic Category ◽  
Tetracyclic Core

: Fungi are considered as a prosperous pool of microbial bio-metabolites. Terretonins are meroterpenoids that are reported mainly from Aspergillus genus. They exhibited unique tetracyclic core skeletons and various bioactivities. The current review summarizes the published researches on the source, biosynthesis, isolation, structural characterization, and bioactivities of terretonins that have been reported from Aspergillus species, as well as from synthetic sources. A literature search on the published studies was conducted over different databases: Web of Science, MedLine (PubMed), Scopus, SpringerLink, Google Scholar, SciFinder, Wiley, and ACS Publications up to 2020. In this work, 18 compounds from Aspergillus species and synthetic sources are depicted. They have unrivaled and diversified skeletons as well as various bioactivities. Moreover, 37 references are included. Terretonins form a class of fungal bio-metabolites that attain all the characters for becoming lead compounds in their particular therapeutic category.

scholarly journals Review of Terms and Definitions Used in Descriptions of Running Shoes

2020 ◽  
Vol 17 (10) ◽  
pp. 3562 ◽  
Author(s):  
Ana Marchena-Rodriguez ◽  
Ana Belen Ortega-Avila ◽  
Pablo Cervera-Garvi ◽  
David Cabello-Manrique ◽  
Gabriel Gijon-Nogueron
Keyword(s):  
Motion Control ◽  
Literature Search ◽  
Web Of Science ◽  
Google Scholar ◽  
Inclusion Criteria ◽  
Large Group ◽  
New Approaches ◽  
Running Shoes ◽  
Different Types ◽  
Definition Of

Objective: Our study aim is to identify and describe the definitions used for different types of running shoes. In addition, we highlight the existence of gaps in these concepts and propose possible new approaches. Methods: This review was undertaken in line with the guidelines proposed by Green et al., based on a literature search (until December 2019) of the PubMed, Web of Science, Scopus, SPORTDiscus and Google Scholar databases. A total of 23 papers met the inclusion criteria applied to identify the definition of running shoes. Results: Although there is a certain consensus on the characteristics of minimalist footwear, it is also described by other terms, such as barefoot-style or barefoot-simulating. Diverse terms are also used to describe other types of footwear, and in these cases, there is little or no consensus regarding their characteristics. Conclusions: The terms barefoot-simulated footwear, barefoot-style footwear, lightweight shoes and full minimalist shoes are all used to describe minimalist footwear. The expressions partial minimalist, uncushioned minimalist and transition shoes are used to describe footwear with non-consensual characteristics. Finally, labels such as shod shoes, standard cushioned running shoes, modern shoes, neutral protective running shoes, conventional, standardised, stability style or motion control shoes span a large group of footwear styles presenting different properties.

scholarly journals Google Scholar compared to Web of Science. A Literature Review

2009 ◽  
Vol 1 (1) ◽  
Author(s):  
Susanne Mikki
Keyword(s):  
Literature Review ◽  
Web Of Science ◽  
Research Impact ◽  
Google Scholar ◽  
Educational Institutions ◽  
Educational Service ◽  
Current Review ◽  
Content Coverage ◽  
Database Content ◽  
Insight Into

Teaching information literacy at higher educational institutions forms the background for the current review. In order to provide an appropriate educational service for research scholars, Google Scholar is considered for teaching. To obtain insight into Google Scholar, it is compared to Web of Science (WoS), the most recognized database for peer reviewed content, well known to librarians and the research community. Both databases are multidisciplinary, provide links to library holdings and offer opportunities for export of references. In addition they have the powerful feature of tracking cited and citing items. The study aims at constructing a deeper understanding of Google Scholar. It is based on a literature review comparing database content, coverage and research impact measures.

Scientometrics: Tools, Techniques and Software for Analysis

2019 ◽  
Vol 9 (2) ◽  
pp. 116-121
Author(s):  
V. Jayasree ◽  
M. D. Baby
Keyword(s):  
Bibliometric Analysis ◽  
Literature Search ◽  
Web Of Science ◽  
Software Tools ◽  
Google Scholar ◽  
Scientometric Analysis ◽  
Citation Networks ◽  
Publish Or Perish ◽  
Vos Viewer ◽  
Productive Method

This paper aims to discuss the significance of e-resources on scientometrics study. Tools for scientometric analysis are listed out. Data collected from literature search and website of softwares. Citation tracking tools like Web of science, Scopus and Google Scholar citations, CiteseerX etc., are discussed. Various software tools for bibliometric analysis like Bibexcel, CiteSpace, Histcite, Pajek, Publish or Perish, Scholarometer, VOS viewer-tool for constructing and visualizing bibliometric networks, CitNet explorer – tool for visualizing and analysing citation networks of publications etc are discussed, The study concludes that combination of different software tools can be used for complete scientometric analysis and the familiarization of bibliometric software among students and researchers will help to promote research in scientometrics in a more productive method.

scholarly journals Emerging cellular and molecular mechanisms underlying anticancer indications of chrysin

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Marjan Talebi ◽  
Mohsen Talebi ◽  
Tahereh Farkhondeh ◽  
Jesus Simal-Gandara ◽  
Dalia M. Kopustinskiene ◽  
...  
Keyword(s):  
Blood Cells ◽  
Molecular Mechanisms ◽  
Web Of Science ◽  
Experimental Studies ◽  
Protective Effects ◽  
Pharmacological Activities ◽  
Current Review ◽  
Mesh Terms ◽  
Online Databases ◽  
Anti Cancer

AbstractChrysin has been shown to exert several beneficial pharmacological activities. Chrysin has anti-cancer, anti-viral, anti-diabetic, neuroprotective, cardioprotective, hepatoprotective, and renoprotective as well as gastrointestinal, respiratory, reproductive, ocular, and skin protective effects through modulating signaling pathway involved in apoptosis, oxidative stress, and inflammation. In the current review, we discussed the emerging cellular and molecular mechanisms underlying therapeutic indications of chrysin in various cancers. Online databases comprising Scopus, PubMed, Embase, ProQuest, Science Direct, Web of Science, and the search engine Google Scholar were searched for available and eligible research articles. The search was conducted by using MeSH terms and keywords in title, abstract, and keywords. In conclusion, experimental studies indicated that chrysin could ameliorate cancers of the breast, gastrointestinal tract, liver and hepatocytes, bladder, male and female reproductive systems, choroid, respiratory tract, thyroid, skin, eye, brain, blood cells, leukemia, osteoblast, and lymph. However, more studies are needed to enhance the bioavailability of chrysin and evaluate this agent in clinical trial studies. Graphic abstract

scholarly journals Computed Tomography Colonography as a Sensible Option for Colorectal Cancer Screening: Evidence Based on Metanalysis

2021 ◽  
Vol 41 (01) ◽  
pp. 087-095
Author(s):  
Ingrid Chaves de Souza Borges ◽  
Natália Costa Resende Cunha ◽  
Amanda Marsiaj Rassi ◽  
Marcela Garcia de Oliveira ◽  
Jacqueline Andréia Bernardes Leão-Cordeiro ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Computed Tomography ◽  
Cancer Screening ◽  
Literature Search ◽  
Web Of Science ◽  
Screening Method ◽  
Colorectal Polyp ◽  
Evidence Based ◽  
Polyp Detection ◽  
Computed Tomography Colonography

Abstract Objective This metanalysis aimed to evaluate the sensitivity and specificity of computed tomography colonography in colorectal polyp detection. Methods A literature search was performed in the PubMed and Web of Science databases. Results A total of 1,872 patients (males 57.2%, females 42.8%) aged 49 to 82 years old (mean age 59.7 ± 5.3 years) were included in this metanalysis. The estimated sensitivity of computed tomography colonography was 88.4% (46.3–95.7%, coefficient of variation [CV] = 28.5%) and the estimated specificity was 73.6% (47.4–100.0%, CV = 37.5%). For lesions up to 9 mm, the sensitivity was 82.5% (62.0–99.9%, CV = 25.1%) and the specificity was 79.2% (32.0–98.0%, CV = 22.9%). For lesions > 9 mm, the sensitivity was 90.2% (64.0–100.0%, CV = 7.4%) and the specificity was 94.7% (80.0–100.0%, CV = 6.2%). No statistically significant differences in sensitivity according to the size of the lesion were found (p = 0.0958); however, the specificity was higher for lesions > 9 mm (p < 0.0001). Conclusions Most of the studies analyzed in the present work were conducted before 2010, which is about a decade after computed tomography colonography started being indicated as a screening method by European and American guidelines. Therefore, more studies aimed at analyzing the technique after further technological advancements are necessary, which could lead to the development of more modern devices.

scholarly journals The Role of Chemotherapy in Management of Inoperable, Metastatic and/or Recurrent Melanotic Neuroectodermal Tumor of Infancy—Own Experience and Systematic Review

Cancers ◽  
2021 ◽  
Vol 13 (15) ◽  
pp. 3872
Author(s):  
Małgorzata Styczewska ◽  
Małgorzata A. Krawczyk ◽  
Ines B. Brecht ◽  
Konrad Haug ◽  
Ewa Iżycka-Świeszewska ◽  
...  
Keyword(s):  
Systematic Review ◽  
Pediatric Oncology ◽  
Literature Search ◽  
Web Of Science ◽  
Poor Response ◽  
Neuroectodermal Tumor ◽  
Incomplete Resection ◽  
Systematic Literature Search ◽  
Neural Crest Origin

Melanotic Neuroectodermal Tumor of Infancy (MNTI) is a very rare pediatric neoplasm of neural crest origin. In most cases, it develops in infants as a localized tumor of the maxilla, and surgery is usually curative. In less than 10% of patients with inoperable, metastatic or persistently recurring MNTI, chemotherapy (CHT) may be considered; however, its role is still unclear. The aim of our study was to assess the efficacy of CHT in children with large, inoperable, metastatic and/or recurrent MNTI. Four such infants, treated with CHT in Polish and German centers of pediatric oncology, were presented. Additionally, a systematic literature search of the PubMed/MEDLINE, Scopus and Web of Science databases was performed, yielding 38 similar cases within the last 42 years. Neoadjuvant CHT, based mainly on the protocols for neuroblastoma, was often effective, allowing for complete delayed surgery in most cases. However, the role of adjuvant CHT in preventing recurrences after incomplete resection of MNTI remains unclear. Disseminated inoperable MNTI was almost universally associated with poor response to CHT and unfavorable outcome. Further investigations to elaborate standards of management in patients with inoperable, metastatic or persistently recurring MNTIs are necessary to improve outcomes.

scholarly journals Trapped Between Two Pandemics: Domestic Violence Cases Under COVID-19 Pandemic Lockdown: A Scoping Review

2021 ◽  
pp. 0272684X2110221
Author(s):  
Endurance Uzobo ◽  
Aboluwaji D Ayinmoro
Keyword(s):  
South Africa ◽  
Domestic Violence ◽  
Scoping Review ◽  
Literature Search ◽  
Web Of Science ◽  
Biomed Central ◽  
Inclusion Criteria ◽  
African Countries ◽  
The World ◽  
The Government

Background As it is common with the most devastating events in the world, women always seem to be at the most disadvantage position. This situation manifested during the period of COVID-19 lockdown throughout the world and Africa in particular. The purpose of this study is to explore Domestic Violence (DV) cases in African during the COVID-19 lockdown. Methods Data for this study were gleaned from an electronic literature search using various databases PubMed and BioMed Central, Web of Science, etc. Key search words were gender DV during and after COVID-19. A total of 68 records were identified during the search. However, only 46 of these sources met the inclusion criteria. Results From the review done in selected African countries which include Egypt, South Africa, Kenya, Nigeria, Ghana and Zimbabwe; it was discovered that COVID-19 lockdown across these countries worsens the already existing cases of DV. The study also noted that generally, the response of the government has been very poor in terms of dealing with DV cases in the period of COVID-19 lockdown. Conclusion The study concluded that despite the failures of government in tackling the DV pandemics, NGOs have been very active in championing the cause of those violated while also trying to provide succour to victims. Thus, the study recommended that countries in Africa need to join international initiatives in prioritising DV cases while trying to deal with the virus itself. Thus, one disease should not be traded for another.

scholarly journals Race Analysis in Competitive Swimming: A Narrative Review

2020 ◽  
Vol 18 (1) ◽  
pp. 69
Author(s):  
Tomohiro Gonjo ◽  
Bjørn Harald Olstad
Keyword(s):  
Web Of Science ◽  
Narrative Review ◽  
Limited Evidence ◽  
Long Distance ◽  
Competitive Swimming ◽  
Future Studies ◽  
Current Review ◽  
Short Course ◽  
Definition Of ◽  
Race Analysis

Researchers have quantified swimming races for several decades to provide objective information on race strategy and characteristics. The purpose of the present review was to summarize knowledge established in the literature and current issues in swimming race analysis. A systematic search of the literature for the current narrative review was conducted in September 2020 using Web of Science, SPORTDiscus (via EBSCO), and PubMed. After examining 321 studies, 22 articles were included in the current review. Most studies divided the race into the start, clean swimming, turn, and/or finish segments; however, the definition of each segment varied, especially for the turn. Ideal definitions for the start and turn-out seemed to differ depending on the stroke styles and swimmers’ level. Many studies have focused on either 100 m or 200 m events with the four strokes (butterfly, backstroke, breaststroke, and freestyle). Contrastingly, there were few or no studies for 50 m, long-distance, individual medley, and relay events. The number of studies examining races for short course, junior and Paralympic swimmers were also very limited. Future studies should focus on those with limited evidence as well as race analysis outside competitions in which detailed kinematic and physiological analyses are possible.

scholarly journals Prevalence of Burnout Syndrome for Public Schoolteachers in the Brazilian Context: A Systematic Review

2021 ◽  
Vol 18 (4) ◽  
pp. 1606
Author(s):  
Natalia P. Montoya ◽  
Lia C. O. B. Glaz ◽  
Lucas A. Pereira ◽  
Irineu Loturco
Keyword(s):  
Systematic Review ◽  
Public Schools ◽  
Emotional Exhaustion ◽  
Methodological Quality ◽  
Literature Search ◽  
Web Of Science ◽  
Teaching Quality ◽  
Burnout Syndrome ◽  
Database Searching ◽  
Exclusion Criteria

The aim of this systematic review was to examine the prevalence of burnout-related symptoms in Brazilian schoolteachers who work in public schools. The literature search was conducted using the following databases: PubMed-MEDLINE, Scopus, and Web of Science. Peer-reviewed studies published in English, Spanish, or Portuguese were considered for inclusion. A total of 2106 records were identified through database searching and 7 additional studies were identified through other sources. Based on the inclusion and exclusion criteria, 19 studies were included in the systematic review. Burnout syndrome prevalence was assessed through seven distinct questionnaires. Overall, the majority of the studies presented high methodological quality. Brazilian schoolteachers exhibited high levels of emotional exhaustion (21–69%), high or moderate degrees of depersonalization (8–32%), and high levels of personal realization and enthusiasm toward the job (30–90%). From these data, it is possible to infer that Brazilian schoolteachers are, in general, affected by burnout syndrome. However, and, surprisingly, they seem to be motivated and idealistic, as demonstrated by their high levels of personal realization and enthusiasm toward the job (30–90%). This likely favors the implementation of programs designed to avoid or reduce burnout, deal with stress, and enhance teaching quality.

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