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Journal of Clinical Bioinformatics

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https://www.readbyqxmd.com/read/25937888/comparative-efficacy-and-acceptability-of-five-anti-tubercular-drugs-in-treatment-of-multidrug-resistant-tuberculosis-a-network-meta-analysis
#1
Huaidong Wang, Xiaotian Zhang, Yuanxiang Bai, Zipeng Duan, Yan Lin, Guoqing Wang, Fan Li
Multidrug resistant tuberculosis (MDR-TB) is a serious form of tuberculosis (TB). There is no recognized effective treatment for MDR-TB, although there are a number of publications that have reported positive results for MDR-TB. We performed a network meta-analysis to assess the efficacy and acceptability of potential antitubercular drugs. We conducted a network meta-analysis of randomized controlled clinical trials to compare the efficacy and acceptability of five antitubercular drugs, bedaquiline, delamanid, levofloxacin, metronidazole and moxifloxacin in the treatment of MDR-TB...
2015: Journal of Clinical Bioinformatics
https://www.readbyqxmd.com/read/25834725/clinical-decision-support-systems-for-improving-diagnostic-accuracy-and-achieving-precision-medicine
#2
Christian Castaneda, Kip Nalley, Ciaran Mannion, Pritish Bhattacharyya, Patrick Blake, Andrew Pecora, Andre Goy, K Stephen Suh
As research laboratories and clinics collaborate to achieve precision medicine, both communities are required to understand mandated electronic health/medical record (EHR/EMR) initiatives that will be fully implemented in all clinics in the United States by 2015. Stakeholders will need to evaluate current record keeping practices and optimize and standardize methodologies to capture nearly all information in digital format. Collaborative efforts from academic and industry sectors are crucial to achieving higher efficacy in patient care while minimizing costs...
2015: Journal of Clinical Bioinformatics
https://www.readbyqxmd.com/read/25806102/metabolomics-and-partial-least-square-discriminant-analysis-to-predict-history-of-myocardial-infarction-of-self-claimed-healthy-subjects-validity-and-feasibility-for-clinical-practice
#3
Nornazliya Mohamad, Rose Iszati Ismet, MohdSalleh Rofiee, Zakaria Bannur, Thomas Hennessy, Manikandan Selvaraj, Aminuddin Ahmad, FadzilahMohd Nor, ThuhairahHasrah Abdul Rahman, Kamarudzaman Md Isa, AdzroolIdzwan Ismail, Lay Kek Teh, Mohd Zaki Salleh
BACKGROUND: The dynamics of metabolomics in establishing a prediction model using partial least square discriminant analysis have enabled better disease diagnosis; with emphasis on early detection of diseases. We attempted to translate the metabolomics model to predict the health status of the Orang Asli community whom we have little information. The metabolite expressions of the healthy vs. diseased patients (cardiovascular) were compared. A metabotype model was developed and validated using partial least square discriminant analysis (PLSDA)...
2015: Journal of Clinical Bioinformatics
https://www.readbyqxmd.com/read/25767694/k-core-decomposition-of-a-protein-domain-co-occurrence-network-reveals-lower-cancer-mutation-rates-for-interior-cores
#4
Arnold I Emerson, Simeon Andrews, Ikhlak Ahmed, Thasni Ka Azis, Joel A Malek
BACKGROUND: Network biology currently focuses primarily on metabolic pathways, gene regulatory, and protein-protein interaction networks. While these approaches have yielded critical information, alternative methods to network analysis will offer new perspectives on biological information. A little explored area is the interactions between domains that can be captured using domain co-occurrence networks (DCN). A DCN can be used to study the function and interaction of proteins by representing protein domains and their co-existence in genes and by mapping cancer mutations to the individual protein domains to identify signals...
2015: Journal of Clinical Bioinformatics
https://www.readbyqxmd.com/read/25745555/variations-in-genome-wide-rnai-screens-lessons-from-influenza-research
#5
Yu-Chi Chou, Michael Mc Lai, Yi-Chen Wu, Nai-Chi Hsu, King-Song Jeng, Wen-Chi Su
Genome-wide RNA interference (RNAi) screening is an emerging and powerful technique for genetic screens, which can be divided into arrayed RNAi screen and pooled RNAi screen/selection based on different screening strategies. To date, several genome-wide RNAi screens have been successfully performed to identify host factors essential for influenza virus replication. However, the host factors identified by different research groups are not always consistent. Taking influenza virus screens as an example, we found that a number of screening parameters may directly or indirectly influence the primary hits identified by the screens...
2015: Journal of Clinical Bioinformatics
https://www.readbyqxmd.com/read/25558350/copy-number-variation-analysis-based-on-aluscan-sequences
#6
Jian-Feng Yang, Xiao-Fan Ding, Lei Chen, Wai-Kin Mat, Michelle Zhi Xu, Jin-Fei Chen, Jian-Min Wang, Lin Xu, Wai-Sang Poon, Ava Kwong, Gilberto Ka-Kit Leung, Tze-Ching Tan, Chi-Hung Yu, Yue-Bin Ke, Xin-Yun Xu, Xiao-Yan Ke, Ronald Cw Ma, Juliana Cn Chan, Wei-Qing Wan, Li-Wei Zhang, Yogesh Kumar, Shui-Ying Tsang, Shao Li, Hong-Yang Wang, Hong Xue
BACKGROUND: AluScan combines inter-Alu PCR using multiple Alu-based primers with opposite orientations and next-generation sequencing to capture a huge number of Alu-proximal genomic sequences for investigation. Its requirement of only sub-microgram quantities of DNA facilitates the examination of large numbers of samples. However, the special features of AluScan data rendered difficult the calling of copy number variation (CNV) directly using the calling algorithms designed for whole genome sequencing (WGS) or exome sequencing...
2014: Journal of Clinical Bioinformatics
https://www.readbyqxmd.com/read/25379168/semi-automated-literature-mining-to-identify-putative-biomarkers-of-disease-from-multiple-biofluids
#7
Rick Jordan, Shyam Visweswaran, Vanathi Gopalakrishnan
BACKGROUND: Computational methods for mining of biomedical literature can be useful in augmenting manual searches of the literature using keywords for disease-specific biomarker discovery from biofluids. In this work, we develop and apply a semi-automated literature mining method to mine abstracts obtained from PubMed to discover putative biomarkers of breast and lung cancers in specific biofluids. METHODOLOGY: A positive set of abstracts was defined by the terms 'breast cancer' and 'lung cancer' in conjunction with 14 separate 'biofluids' (bile, blood, breastmilk, cerebrospinal fluid, mucus, plasma, saliva, semen, serum, synovial fluid, stool, sweat, tears, and urine), while a negative set of abstracts was defined by the terms '(biofluid) NOT breast cancer' or '(biofluid) NOT lung cancer...
2014: Journal of Clinical Bioinformatics
https://www.readbyqxmd.com/read/25276338/extraction-of-echocardiographic-data-from-the-electronic-medical-record-is-a-rapid-and-efficient-method-for-study-of-cardiac-structure-and-function
#8
Quinn S Wells, Eric Farber-Eger, Dana C Crawford
BACKGROUND: Measures of cardiac structure and function are important human phenotypes that are associated with a range of clinical outcomes. Studying these traits in large populations can be time consuming and costly. Utilizing data from large electronic medical records (EMRs) is one possible solution to this problem. We describe the extraction and filtering of quantitative transthoracic echocardiographic data from the Epidemiologic Architecture for Genes Linked to Environment (EAGLE) study, a large, racially diverse, EMR-based cohort (n = 15,863)...
2014: Journal of Clinical Bioinformatics
https://www.readbyqxmd.com/read/25170420/meta-analyses-of-4-cftr-variants-associated-with-the-risk-of-the-congenital-bilateral-absence-of-the-vas-deferens
#9
Xuting Xu, Jufen Zheng, Qi Liao, Huiqing Zhu, Hongyan Xie, Huijuan Shi, Shiwei Duan
AIMS: The aim of our study was to evaluate the relationship between four CFTR variations and the congenital bilateral absence of the vas deferens (CBAVD). METHODS: A systematic search was performed in the literature databases for the case-control studies of CFTR variations with the risk of CBAVD. A total of 29 studies among 1139 controls and 1562 CBAVD patients were gathered for the meta-analyses of three commonly tecsted variations (5T, ΔF508 and M470V) with CBAVD...
2014: Journal of Clinical Bioinformatics
https://www.readbyqxmd.com/read/25068036/tools-to-identify-linear-combination-of-prognostic-factors-which-maximizes-area-under-receiver-operator-curve
#10
Nicolae Todor, Irina Todor, Gavril Săplăcan
BACKGROUND: The linear combination of variables is an attractive method in many medical analyses targeting a score to classify patients. In the case of ROC curves the most popular problem is to identify the linear combination which maximizes area under curve (AUC). This problem is complete closed when normality assumptions are met. With no assumption of normality search algorithm are avoided because it is accepted that we have to evaluate AUC n(d) times where n is the number of distinct observation and d is the number of variables...
2014: Journal of Clinical Bioinformatics
https://www.readbyqxmd.com/read/25045465/comor-a-software-for-disease-comorbidity-risk-assessment
#11
Mohammad Ali Moni, Pietro Liò
BACKGROUND: The diagnosis of comorbidities, which refers to the coexistence of different acute and chronic diseases, is difficult due to the modern extreme specialisation of physicians. We envisage that a software dedicated to comorbidity diagnosis could result in an effective aid to the health practice. RESULTS: We have developed an R software comoR to compute novel estimators of the disease comorbidity associations. Starting from an initial diagnosis, genetic and clinical data of a patient the software identifies the risk of disease comorbidity...
2014: Journal of Clinical Bioinformatics
https://www.readbyqxmd.com/read/24987515/interpretation-for-scales-of-measurement-linking-with-abstract-algebra
#12
Jitsuki Sawamura, Shigeru Morishita, Jun Ishigooka
THE STEVENS CLASSIFICATION OF LEVELS OF MEASUREMENT INVOLVES FOUR TYPES OF SCALE: "Nominal", "Ordinal", "Interval" and "Ratio". This classification has been used widely in medical fields and has accomplished an important role in composition and interpretation of scale. With this classification, levels of measurements appear organized and validated. However, a group theory-like systematization beckons as an alternative because of its logical consistency and unexceptional applicability in the natural sciences but which may offer great advantages in clinical medicine...
2014: Journal of Clinical Bioinformatics
https://www.readbyqxmd.com/read/24872872/estimating-age-dependent-per-encounter-chlamydia-trachomatis-acquisition-risk-via-a-markov-based-state-transition-model
#13
Yu Teng, Nan Kong, Wanzhu Tu
BACKGROUND: Chlamydial infection is a common bacterial sexually transmitted infection worldwide, caused by C. trachomatis. The screening for C. trachomatis has been proven to be successful. However, such success is not fully realized through tailoring the recommended screening strategies for different age groups. This is partly due to the knowledge gap in understanding how the infection is correlated with age. In this paper, we estimate age-dependent risks of acquiring C. trachomatis by adolescent women via unprotected heterosexual acts...
2014: Journal of Clinical Bioinformatics
https://www.readbyqxmd.com/read/24739673/a-novel-tree-based-procedure-for-deciphering-the-genomic-spectrum-of-clinical-disease-entities
#14
Cyprien Mbogning, Hervé Perdry, Wilson Toussile, Philippe Broët
BACKGROUND: Dissecting the genomic spectrum of clinical disease entities is a challenging task. Recursive partitioning (or classification trees) methods provide powerful tools for exploring complex interplay among genomic factors, with respect to a main factor, that can reveal hidden genomic patterns. To take confounding variables into account, the partially linear tree-based regression (PLTR) model has been recently published. It combines regression models and tree-based methodology...
2014: Journal of Clinical Bioinformatics
https://www.readbyqxmd.com/read/24684958/fish-oracle-2-a-web-server-for-integrative-visualization-of-genomic-data-in-cancer-research
#15
Malte Mader, Ronald Simon, Stefan Kurtz
BACKGROUND: A comprehensive view on all relevant genomic data is instrumental for understanding the complex patterns of molecular alterations typically found in cancer cells. One of the most effective ways to rapidly obtain an overview of genomic alterations in large amounts of genomic data is the integrative visualization of genomic events. RESULTS: We developed FISH Oracle 2, a web server for the interactive visualization of different kinds of downstream processed genomics data typically available in cancer research...
2014: Journal of Clinical Bioinformatics
https://www.readbyqxmd.com/read/24555538/a-novel-molecular-typing-method-of-mycobacteria-based-on-dna-barcoding-visualization
#16
Bin Liu, Xiaotian Zhang, Honglan Huang, Ying Zhang, Fengfeng Zhou, Guoqing Wang
Different subtypes of Mycobacterium tuberculosis (MTB) may induce diverse severe human infections, and some of their symptoms are similar to other pathogenes, e.g. Nontuberculosis mycobacteria (NTM). So determination of mycobacterium subtypes facilitates the effective control of MTB infection and proliferation. This study exploits a novel DNA barcoding visualization method for molecular typing of 17 mycobacteria genomes published in the NCBI prokaryotic genome database. Three mycobacterium genes (Rv0279c, Rv3508 and Rv3514) from the PE/PPE family of MT Band were detected to best represent the inter-strain pathogenetic variations...
2014: Journal of Clinical Bioinformatics
https://www.readbyqxmd.com/read/24533689/development-of-detection-method-for-novel-fusion-gene-using-genechip-exon-array
#17
Yusaku Wada, Masaaki Matsuura, Minoru Sugawara, Masaru Ushijima, Satoshi Miyata, Koichi Nagasaki, Tetsuo Noda, Yoshio Miki
BACKGROUND: Fusion genes have been recognized to play key roles in oncogenesis. Though, many techniques have been developed for genome-wide analysis of fusion genes, a more efficient method is desired. RESULTS: We introduced a new method of detecting the novel fusion gene by using GeneChip Exon Array that enables exon expression analysis on a whole-genome scale and TAIL-PCR. To screen genes with abnormal exon expression profiles, we developed computational program, and confirmed that the program was able to search the fusion partner gene using Exon Array data of T-cell acute lymphocytic leukemia (T-ALL) cell lines...
2014: Journal of Clinical Bioinformatics
https://www.readbyqxmd.com/read/24456927/combined-analysis-of-chromosomal-instabilities-and-gene-expression-for-colon-cancer-progression-inference
#18
Claudia Cava, Italo Zoppis, Manuela Gariboldi, Isabella Castiglioni, Giancarlo Mauri, Marco Antoniotti
BACKGROUND: Copy number alterations (CNAs) represent an important component of genetic variations. Such alterations are related with certain type of cancer including those of the pancreas, colon, and breast, among others. CNAs have been used as biomarkers for cancer prognosis in multiple studies, but few works report on the relation of CNAs with the disease progression. Moreover, most studies do not consider the following two important issues. (I) The identification of CNAs in genes which are responsible for expression regulation is fundamental in order to define genetic events leading to malignant transformation and progression...
2014: Journal of Clinical Bioinformatics
https://www.readbyqxmd.com/read/24418497/clinical-detection-of-human-probiotics-and-human-pathogenic-bacteria-by-using-a-novel-high-throughput-platform-based-on-next-generation-sequencing
#19
Chih-Min Chiu, Feng-Mao Lin, Tzu-Hao Chang, Wei-Chih Huang, Chao Liang, Ting Yang, Wei-Yun Wu, Tzu-Ling Yang, Shun-Long Weng, Hsien-Da Huang
BACKGROUND: The human body plays host to a vast array of bacteria, found in oral cavities, skin, gastrointestinal tract and the vagina. Some bacteria are harmful while others are beneficial to the host. Despite the availability of many methods to identify bacteria, most of them are only applicable to specific and cultivable bacteria and are also tedious. Based on high throughput sequencing technology, this work derives 16S rRNA sequences of bacteria and analyzes probiotics and pathogens species...
2014: Journal of Clinical Bioinformatics
https://www.readbyqxmd.com/read/24195863/mathematical-models-for-translational-and-clinical-oncology
#20
Ralf Gallasch, Mirjana Efremova, Pornpimol Charoentong, Hubert Hackl, Zlatko Trajanoski
In the context of translational and clinical oncology, mathematical models can provide novel insights into tumor-related processes and can support clinical oncologists in the design of the treatment regime, dosage, schedule, toxicity and drug-sensitivity. In this review we present an overview of mathematical models in this field beginning with carcinogenesis and proceeding to the different cancer treatments. By doing so we intended to highlight recent developments and emphasize the power of such theoretical work...
November 7, 2013: Journal of Clinical Bioinformatics
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