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Qualitative and Quantitative Analysis of Definitions of e-Health and m-Health
David Hallberg,Narges Salimi 대한의료정보학회 2020 Healthcare Informatics Research Vol.26 No.2
Objectives: Skills to employ nursing informatics to promote the health of individuals is of such importance that it is considered a core competence. Although investments are made to increase the use of e-health, there is no full understanding of the usability of e-health for healthcare. This paper presents a current picture of how e-health and m-health are defined and used as well as the effects their usage may have on the intended target group. Methods: Peer-reviewed open-access papers and grey literature that define e-health and m-health from PubMed, SpringerLink, and Google.com were randomized. A mixed method design with an inductive approach was employed. Open-source software were used for analysis. Results: The overview includes 30 definitions of e-health and m-health, respectively. The definitions were thematised into 14 narrative themes. The results of the study, and primarily a three-level model, provide an understanding of how different types of e-health and m-health can be put into practice, and the effects or consequences of using them, which may be either positive or negative. Conclusions: Mobility and flexibility is important for both m-health and e-health. Five keywords that characterize the definitions of e-health and m-health are “health”, “mobile”, “use”, “information”, and “technology”. E-health or m-health cannot replace human actors because e-health and m-health consist of social and material interactions. Using e-health and m-health is, thus, about developing healthcare without compromising native relics.
Identification of trehalose as a compatible solute in different species of acidophilic bacteria
Pedro A. Galleguillos,Barry M. Grail,Kevin B. Hallberg,Cecilia S. Demergasso,D. Barrie Johnson 한국미생물학회 2018 The journal of microbiology Vol.56 No.10
The major industrial heap bioleaching processes are located in desert regions (mainly Chile and Australia) where fresh water is scarce and the use of resources with low water activity becomes an attractive alternative. However, in spite of the importance of the microbial populations involved in these processes, little is known about their response or adaptation to osmotic stress. In order to investigate the response to osmotic stress in these microorganisms, six species of acidophilic bacteria were grown at elevated osmotic strength in liquid media, and the compatible solutes synthesised were identified using ion chromatography and MALDI-TOF mass spectrometry. Trehalose was identified as one of, or the sole, compatible solute in all species and strains, apart from Acidithiobacillus thiooxidans where glucose and proline levels increased at elevated osmotic potentials. Several other potential compatible solutes were tentatively identified by MALDITOF analysis. The same compatible solutes were produced by these bacteria regardless of the salt used to produce the osmotic stress. The results correlate with data from sequenced genomes which confirm that many chemolithotrophic and heterotrophic acidophiles possess genes for trehalose synthesis. This is the first report to identify and quantify compatible solutes in acidophilic bacteria that have important roles in biomining technologies.
<i>BRCA2</i> Hypomorphic Missense Variants Confer Moderate Risks of Breast Cancer
Shimelis, Hermela,Mesman, Romy L.S.,Von Nicolai, Catharina,Ehlen, Asa,Guidugli, Lucia,Martin, Charlotte,Callé,ja, Fabienne M.G.R.,Meeks, Huong,Hallberg, Emily,Hinton, Jamie,Lilyquist, Jenna,Hu, American Association for Cancer Research 2017 Cancer Research Vol.77 No.11
<P>These results show how BRCA2 missense variants that partially influence protein function can confer clinically relevant increased risks of breast cancer, with potential implications for risk management of women who harbor specific variants.</P><P>Breast cancer risks conferred by many germline missense variants in the <I>BRCA1</I> and <I>BRCA2</I> genes, often referred to as variants of uncertain significance (VUS), have not been established. In this study, associations between 19 BRCA1 and 33 BRCA2 missense substitution variants and breast cancer risk were investigated through a breast cancer case–control study using genotyping data from 38 studies of predominantly European ancestry (41,890 cases and 41,607 controls) and nine studies of Asian ancestry (6,269 cases and 6,624 controls). The BRCA2 c.9104A>C, p.Tyr3035Ser (OR = 2.52; <I>P</I> = 0.04), and BRCA1 c.5096G>A, p.Arg1699Gln (OR = 4.29; <I>P</I> = 0.009) variant were associated with moderately increased risks of breast cancer among Europeans, whereas BRCA2 c.7522G>A, p.Gly2508Ser (OR = 2.68; <I>P</I> = 0.004), and c.8187G>T, p.Lys2729Asn (OR = 1.4; <I>P</I> = 0.004) were associated with moderate and low risks of breast cancer among Asians. Functional characterization of the BRCA2 variants using four quantitative assays showed reduced BRCA2 activity for p.Tyr3035Ser compared with wild-type. Overall, our results show how BRCA2 missense variants that influence protein function can confer clinically relevant, moderately increased risks of breast cancer, with potential implications for risk management guidelines in women with these specific variants. <I>Cancer Res; 77(11); 2789–99. ©2017 AACR</I>.</P>