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Tuberculosis biomarker

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https://www.readbyqxmd.com/read/29129701/biomarkers-for-treatment-monitoring-in-tuberculosis-a-new-hope
#1
Subash Babu
No abstract text is available yet for this article.
November 3, 2017: EBioMedicine
https://www.readbyqxmd.com/read/29119205/secretome-profile-analysis-of-multidrug-resistant-monodrug-resistant-and-drug-susceptible-mycobacterium-tuberculosis
#2
Chanyanuch Putim, Narumon Phaonakrop, Janthima Jaresitthikunchai, Ratikorn Gamngoen, Khajornsak Tragoolpua, Sorasak Intorasoot, Usanee Anukool, Chayada Sitthidet Tharincharoen, Ponrut Phunpae, Chatchai Tayapiwatana, Watchara Kasinrerk, Sittiruk Roytrakul, Bordin Butr-Indr
The emergence of drug-resistant tuberculosis has generated great concern in the control of tuberculosis and HIV/TB patients have established severe complications that are difficult to treat. Although, the gold standard of drug-susceptibility testing is highly accurate and efficient, it is time-consuming. Diagnostic biomarkers are, therefore, necessary in discriminating between infection from drug-resistant and drug-susceptible strains. One strategy that aids to effectively control tuberculosis is understanding the function of secreting proteins that mycobacteria use to manipulate the host cellular defenses...
November 8, 2017: Archives of Microbiology
https://www.readbyqxmd.com/read/29113814/plasma-cell-free-dna-level-and-its-integrity-as-biomarkers-to-distinguish-non-small-cell-lung-cancer-from-tuberculosis
#3
Shaoyi Leng, Jianjun Zheng, Yinhua Jin, Hongbin Zhang, Ya Zhu, Jing Wu, Yan Xu, Puhong Zhang
No abstract text is available yet for this article.
November 4, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29102433/effect-of-vitamin-d-supplementation-on-non-skeletal-disorders-a-systematic-review-of-meta-analyses-and-randomised-trials
#4
REVIEW
Philippe Autier, Patrick Mullie, Alina Macacu, Miruna Dragomir, Magali Boniol, Kim Coppens, Cécile Pizot, Mathieu Boniol
Randomised trials reported up to Dec 31, 2012, did not confirm that vitamin D supplementation could protect from non-skeletal health conditions affecting adults, as was expected on the basis of data from observational studies. To examine whether the more recently published meta-analyses and trials would change past conclusions, we systematically reviewed meta-analyses of vitamin D supplementation and non-skeletal disorders published between Jan 1, 2013, and May 31, 2017, that included study participants of all ages, including pregnant women...
October 25, 2017: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/29100778/biomarkers-of-tuberculosis-severity-and-treatment-effect-a-directed-screen-of-70-host-markers-in-a-randomized-clinical-trial
#5
G B Sigal, M R Segal, A Mathew, L Jarlsberg, M Wang, S Barbero, N Small, K Haynesworth, J L Davis, M Weiner, W C Whitworth, J Jacobs, J Schorey, D M Lewinsohn, P Nahid
More efficacious treatment regimens are needed for tuberculosis, however, drug development is impeded by a lack of reliable biomarkers of disease severity and of treatment effect. We conducted a directed screen of host biomarkers in participants enrolled in a tuberculosis clinical trial to address this need. Serum samples from 319 protocol-correct, culture-confirmed pulmonary tuberculosis patients treated under direct observation as part of an international, phase 2 trial were screened for 70 markers of infection, inflammation, and metabolism...
October 24, 2017: EBioMedicine
https://www.readbyqxmd.com/read/29095265/identification-of-differential-expressed-pe-exosomal-mirna-in-lung-adenocarcinoma-tuberculosis-and-other-benign-lesions
#6
Yan Wang, Yan-Mei Xu, Ye-Qing Zou, Jin Lin, Bo Huang, Jing Liu, Jing Li, Jing Zhang, Wei-Ming Yang, Qing-Hua Min, Shu-Qi Li, Qiu-Fang Gao, Fan Sun, Qing-Gen Chen, Lei Zhang, Yu-Huan Jiang, Li-Bin Deng, Xiao-Zhong Wang
Pleural effusion (PE) is a common clinical complication of many pulmonary and systemic diseases, including lung cancer and tuberculosis. Nevertheless, there is no clinical effective biomarker to identify the cause of PE. We attempted to investigate differential expressed exosomal miRNAs in PEs of lung adenocarcinoma (APE), tuberculous (TPE), and other benign lesions (NPE) by using deep sequencing and quantitative polymerase chain reaction (qRT-PCR). As a result, 171 differentiated miRNAs were observed in 3 groups of PEs, and 11 significantly differentiated exosomal miRNAs were validated by qRT-PCR...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29071813/serum-macrophage-migration-inhibitory-factor-as-a-biomarker-of-active-pulmonary-tuberculosis
#7
Zhong Bo Shang, Jun Wang, Shou Gang Kuai, Yin Yin Zhang, Qin Fang Ou, Hao Pei, Li Hua Huang
BACKGROUND: Macrophage migration inhibitory factor (MIF), a pro-inflammatory cytokine with chemokine-like functions, has been shown to play a central role in several acute and chronic inflammatory diseases. However, limited information is available regarding the use of MIF as an inflammatory pathway marker in patients with tuberculosis. This study aimed to investigate the association of MIF with IFN-γ and TNF-α in active pulmonary tuberculosis (APTB) following anti-tuberculosis treatment...
January 2018: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/29062328/effect-of-smoking-on-acute-phase-reactants-stress-hormone-responses-and-vitamin-c-in-pulmonary-tuberculosis
#8
John O Opolot, Annette J Theron, Patrick MacPhail, Charles Feldman, Ronald Anderson
BACKGROUND: Chronic inflammation, possibly exacerbated by cigarette smoking, is considered to be the primary cause of pulmonary damage in patients with tuberculosis (TB). However, the mechanisms which underpin these harmful inflammatory responses, have not been well documented. OBJECTIVES: The current study was undertaken to determine possible associations between systemic biomarkers of inflammation (acute phase reactants, stress hormones, leukocyte vitamin C) and smoking status in patients (n=71, 20 smokers) with newly-diagnosed pulmonary TB presenting at a tertiary hospital, Johannesburg, South Africa...
June 2017: African Health Sciences
https://www.readbyqxmd.com/read/29062177/comparative-diagnostic-utility-of-neopterin-and-ifn-%C3%AE-il-2-in-extrapulmonary-tuberculosis
#9
Nisha Goyal, Bineeta Kashyap, N P Singh, Iqbal R Kaur
Resurgence of TB has emphasized the need for newer methods of diagnosis. Extrapulmonary tuberculosis (EPTB), being paucibacillary, is a diagnostic dilemma. The aim of the present study was to correlate IFN-γ/IL-2 with neopterin in diagnosis of EPTB. Extrapulmonary specimens from 69 clinically diagnosed cases were stained by Ziehl-Neelsen and cultured on Lowenstein-Jensen medium for Mycobacterium tuberculosis. ELISA was used to assess serum IFN-γ, IL-2 and neopterin levels. Median serum levels of IFN-γ/IL-2 and neopterin were 3...
October 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/29057952/identification-of-differentially-expressed-circular-rnas-in-human-monocyte-derived-macrophages-response-to-mycobacterium-tuberculosis-infection
#10
Zikun Huang, Rigu Su, Zhen Deng, Jianqing Xu, Yiping Peng, Qing Luo, Junming Li
Macrophages act as the first line of host immune defense against Mycobacterium tuberculosis (Mtb). Recent studies have demonstrated circular RNAs (circRNAs) are implicated in a variety of physiological and pathological processes; however, the role of circRNAs in macrophages response to Mtb infection remain unknown. To address this issue, here we characterized circRNAs expression profiles in human monocyte derived macrophages (MDMs) response to Mtb infection using microarray assay. Our results revealed that many circRNAs were differentially expressed in human MDMs after Mtb infection; of these, 32 circRNAs were up-regulated and 110 were down-regulated...
October 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29050777/multiplex-analysis-of-plasma-cytokines-chemokines-showing-different-immune-responses-in-active-tb-patients-latent-tb-infection-and-healthy-participants
#11
Xiangyang Yao, Yongliang Liu, Yang Liu, Wei Liu, Zhizhong Ye, Chao Zheng, Shengxiang Ge
Interferon gamma release assays (IGRAs) have been widely used to diagnose Mycobacterium tuberculosis (MTB) infection. However, IGRAs cannot discriminate between active TB patients and latent TB infection (LTBI), and the sensitivity of IGRAs for MTB infection is suboptimal. Here, we analyzed cytokines/chemokines in MTB antigen-stimulated and -unstimulated plasma samples to identify host biomarkers that are associated with active TB and MTB infection. Active TB patients, subjects with LTBI and healthy participants were recruited...
December 2017: Tuberculosis
https://www.readbyqxmd.com/read/29050775/differential-expression-of-long-non-coding-rnas-in-patients-with-tuberculosis-infection
#12
Jianan He, Qingye Ou, Chunxiao Liu, Lei Shi, Chunzhong Zhao, Yunqing Xu, Siu Kai Kong, Jacky Fong Chuen Loo, Boan Li, Dayong Gu
Tuberculosis (TB) remains a major worldwide health problem and has caused millions of deaths in the past few years. Current diagnostic methods, such as sputum smear microscopy and sputum culture, are time-consuming and cannot prevent the rapid spreading of TB during the diagnostic period. In this connection, detecting biomarkers specific to TB at molecular level in plasma of patients will provide a rapid means for diagnosis. In this study, we first evaluated the differential expression of the long non-coding RNAs (lncRNAs) in the plasma from patients with TB (TB positive), community acquired pneumonia (CAP) and healthy individuals (CG) using lncRNA microarray scanning...
December 2017: Tuberculosis
https://www.readbyqxmd.com/read/29050771/host-blood-rna-signatures-predict-the-outcome-of-tuberculosis-treatment
#13
Ethan G Thompson, Ying Du, Stephanus T Malherbe, Smitha Shankar, Jackie Braun, Joe Valvo, Katharina Ronacher, Gerard Tromp, David L Tabb, David Alland, Shubhada Shenai, Laura E Via, James Warwick, Alan Aderem, Thomas J Scriba, Jill Winter, Gerhard Walzl, Daniel E Zak
Biomarkers for tuberculosis treatment outcome will assist in guiding individualized treatment and evaluation of new therapies. To identify candidate biomarkers, RNA sequencing of whole blood from a well-characterized TB treatment cohort was performed. Application of a validated transcriptional correlate of risk for TB revealed symmetry in host gene expression during progression from latent TB infection to active TB disease and resolution of disease during treatment, including return to control levels after drug therapy...
December 2017: Tuberculosis
https://www.readbyqxmd.com/read/29050758/identification-of-mycobacterial-bacterioferritin-b-for-immune-screening-of-tuberculosis-and-latent-tuberculosis-infection
#14
Xinyu Yang, Jia-Bao Wu, Ying Liu, Yanqing Xiong, Ping Ji, Shu-Jun Wang, Yingying Chen, Guo-Ping Zhao, Shui-Hua Lu, Ying Wang
OBJECTIVES: It remains necessary and urgent to search for novel mycobacterial antigens to increase the sensitivity and specificity for tuberculosis (TB) diagnosis and latent TB infection (LTBI) screening. Antigens capable of inducing strong immune responses during Mycobacterium tuberculosis (M.tb) infection would be good candidates. METHODS: Cellular responses specific to M.tb derived bacterioferritin B (BfrB) were assessed by IFN-γ ELISPOT in three human cohorts, including healthy controls (HCs), LTBI population and pulmonary TB (PTB) patients...
December 2017: Tuberculosis
https://www.readbyqxmd.com/read/29046674/tbvac2020-advancing-tuberculosis-vaccines-from-discovery-to-clinical-development
#15
REVIEW
Stefan H E Kaufmann, Hazel M Dockrell, Nick Drager, Mei Mei Ho, Helen McShane, Olivier Neyrolles, Tom H M Ottenhoff, Brij Patel, Danielle Roordink, François Spertini, Steffen Stenger, Jelle Thole, Frank A W Verreck, Ann Williams
TBVAC2020 is a research project supported by the Horizon 2020 program of the European Commission (EC). It aims at the discovery and development of novel tuberculosis (TB) vaccines from preclinical research projects to early clinical assessment. The project builds on previous collaborations from 1998 onwards funded through the EC framework programs FP5, FP6, and FP7. It has succeeded in attracting new partners from outstanding laboratories from all over the world, now totaling 40 institutions. Next to the development of novel vaccines, TB biomarker development is also considered an important asset to facilitate rational vaccine selection and development...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29039217/the-role-of-metabolomics-in-tuberculosis-treatment-research
#16
Laneke Luies, Ilse du Preez, Du Toit Loots
Despite the fact that tuberculosis (TB) is a curable disease, it still results in approximately 1.8 million deaths annually. Various inadequacies in the current TB treatment strategies are major contributors to this high disease prevalence, including the long duration of therapy, the severe side effects associated with TB drugs, treatment failure due to drug resistance, post-treatment disease relapse, and HIV co-infection. In this review, we describe how metabolomics has contributed toward better explaining/elucidating the mechanisms of drug action/metabolism, drug toxicity and microbial drug resistance, and how metabolite biomarkers may serve as prognostic indicators for predicting treatment outcome as well as for the development of new TB drugs...
October 17, 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/29023060/polymorphism-of-glutamate-cysteine-ligase-subunit-catalytic-gclc-gene-in-pulmonary-tuberculosis-patients
#17
Ari Yuniastuti, R Susanti, Dewi Mustikaningtyas
BACKGROUND AND OBJECTIVE: The biomarker of oxidative stress in pulmonary tuberculosis patients has not been found. Oxidative stress occurs due to the low level of antioxidants. Single nucleotide polymorphism of glutamate-cysteine ligase subunit catalytic (GCLC) gene namely -129C/T GCLC has been reported to have an association with a risk factor of oxidative stress' susceptibility. The Objective of this study was to determine the GCLC polymorphism in pulmonary tuberculosis (TB) patient...
2017: Pakistan Journal of Biological Sciences: PJBS
https://www.readbyqxmd.com/read/29017282/plasma-cytokine-predictors-of-tuberculosis-recurrence-in-antiretroviral-treated-human-immunodeficiency-virus-infected-individuals-from-durban-south-africa
#18
Aida Sivro, Lyle R McKinnon, Nonhlanhla Yende-Zuma, Santhana Gengiah, Natasha Samsunder, Salim S Abdool Karim, Kogieleum Naidoo
Background: Immune correlates of tuberculosis (TB) risk in populations infected with human immunodeficiency virus (HIV) remain understudied, despite HIV being associated with a high burden of TB disease. Here we describe plasma cytokine correlates of TB recurrence in a well-characterized cohort of HIV-infected individuals on antiretroviral therapy (ART) with a history of prior TB cure. Methods: Study participants were drawn from a prospective cohort study initiated at the conclusion of a randomized clinical trial in which individuals presented with untreated HIV infection and active pulmonary TB...
September 1, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29017244/plasma-indoleamine-2-3-dioxygenase-a-biomarker-for-tuberculosis-in-human-immunodeficiency-virus-infected-patients
#19
Clement G Adu-Gyamfi, Tracy Snyman, Christopher J Hoffmann, Neil A Martinson, Richard E Chaisson, Jaya A George, Melinda S Suchard
Background: There is no biomarker for diagnosing active tuberculosis in patients with human immunodeficiency virus (HIV) infection. Indoleamine 2, 3-dioxygenase (IDO) is an immunoregulatory enzyme that breaks down tryptophan (Trp) to metabolites known as kynurenines (Kyns). We investigated whether IDO activity, as measured by the ratio of Kyn to Trp, could be used to diagnose or predict active tuberculosis disease in HIV-infected adults. Methods: Kyn and Trp concentrations were measured using ultraperformance liquid chromatography mass spectrometry in plasma samples from 32 HIV-infected patients in whom active tuberculosis developed and who were followed up prospectively...
October 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28979922/clinic-based-urinary-lipoarabinomannan-as-a-biomarker-of-clinical-disease-severity-and-mortality-among-antiretroviral-therapy-naive-human-immunodeficiency-virus-infected-adults-in-south-africa
#20
Paul K Drain, Elena Losina, Sharon M Coleman, Janet Giddy, Douglas Ross, Jeffrey N Katz, Kenneth A Freedberg, Ingrid V Bassett
BACKGROUND: Urinary lipoarabinomannan (LAM) has limited sensitivity for diagnosing active human immunodeficiency virus (HIV)-associated tuberculosis (TB) disease, but LAM screening at HIV diagnosis might identify adults with more severe clinical disease or greater risk of mortality. METHODS: We enrolled antiretroviral therapy-naive HIV-infected adults from 4 clinics in Durban. Nurses performed urine LAM testing using a rapid assay (Determine TB LAM) graded from low (1+) to high (≥3+) intensity...
2017: Open Forum Infectious Diseases
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