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https://www.readbyqxmd.com/read/29334710/-a-study-on-genotype-of-271-mycobacterium-tuberculosis-isolates-in-6-prefectures-in-yunnan-province
#1
L Y Chen, X Yang, H H Ru, H J Yang, S Q Yan, L Ma, J O Chen, R Yang, L Xu
Objective: To understand the characteristics of genotypes of Mycobacterium tuberculosis isolates in Yunnan province, and provide the molecular epidemiological evidence for prevention and control of tuberculosis in Yunnan Province. Methods: Mycobacterium Tuberculosis isolates were collected from 6 prefectures of Yunnan province in 2014 and their Genetypes of Mycobacterium tuberculosis isolates were obtained using spoligotyping and multiple locus variable numbers of tandem repeats analysis (MLVA). The results of spoligotyping were entered into the SITVITWEB database to obtain the Spoligotyping International Type (SIT) patterns and the sublineages of MTB isolates...
January 6, 2018: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29334389/effect-of-coordination-geometry-on-the-magnetic-properties-of-a-series-of-ln2-and-ln4-hydroxo-clusters
#2
Amaleswari Rasamsetty, Chinmoy Das, E Carolina Sañudo, Maheswaran Shanmugam, Viswanathan Baskar
A series of three isostructural tetranuclear complexes with the general molecular formula [Ln4(μ3-OH)4(L)4(μ2-piv)4(MeOH)4] (Ln = Gd 1, Dy 2 and Ho 3; LH = [1,3-bis(o-methoxyphenyl)-propane-1,3-dione]) were isolated and unambiguously characterized by single crystal XRD. Under similar reaction conditions, simply changing the co-ligand from pivalate to 2,6-bis(hydroxymethyl)-p-cresol (LH'3) led to the isolation of dinuclear Ln(iii) complexes with the general molecular formula [Ln2(L)4(μ2-LH'2)2]·4DMF (Ln = Gd 4, Dy 5 and Ho 6)...
January 15, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29334373/prevention-of-tuberculosis-in-rhesus-macaques-by-a-cytomegalovirus-based-vaccine
#3
Scott G Hansen, Daniel E Zak, Guangwu Xu, Julia C Ford, Emily E Marshall, Daniel Malouli, Roxanne M Gilbride, Colette M Hughes, Abigail B Ventura, Emily Ainslie, Kurt T Randall, Andrea N Selseth, Parker Rundstrom, Lauren Herlache, Matthew S Lewis, Haesun Park, Shannon L Planer, John M Turner, Miranda Fischer, Christina Armstrong, Robert C Zweig, Joseph Valvo, Jackie M Braun, Smitha Shankar, Lenette Lu, Andrew W Sylwester, Alfred W Legasse, Martin Messerle, Michael A Jarvis, Lynn M Amon, Alan Aderem, Galit Alter, Dominick J Laddy, Michele Stone, Aurelio Bonavia, Thomas G Evans, Michael K Axthelm, Klaus Früh, Paul T Edlefsen, Louis J Picker
Despite widespread use of the bacille Calmette-Guérin (BCG) vaccine, tuberculosis (TB) remains a leading cause of global mortality from a single infectious agent (Mycobacterium tuberculosis or Mtb). Here, over two independent Mtb challenge studies, we demonstrate that subcutaneous vaccination of rhesus macaques (RMs) with rhesus cytomegalovirus vectors encoding Mtb antigen inserts (hereafter referred to as RhCMV/TB)-which elicit and maintain highly effector-differentiated, circulating and tissue-resident Mtb-specific CD4+ and CD8+ memory T cell responses-can reduce the overall (pulmonary and extrapulmonary) extent of Mtb infection and disease by 68%, as compared to that in unvaccinated controls, after intrabronchial challenge with the Erdman strain of Mtb at ∼1 year after the first vaccination...
January 15, 2018: Nature Medicine
https://www.readbyqxmd.com/read/29334197/increased-non-aids-mortality-among-persons-with-aids-defining-events-after-antiretroviral-therapy-initiation
#4
April C Pettit, Mark J Giganti, Suzanne M Ingle, Margaret T May, Bryan E Shepherd, Michael J Gill, Gerd Fätkenheuer, Sophie Abgrall, Michael S Saag, Julia Del Amo, Amy C Justice, Jose M Miro, Matthias Cavasinni, François Dabis, Antonella D Monforte, Peter Reiss, Jodie Guest, David Moore, Leah Shepherd, Niels Obel, Heidi M Crane, Colette Smith, Ramon Teira, Robert Zangerle, Jonathan Ac Sterne, Timothy R Sterling
INTRODUCTION: HIV-1 infection leads to chronic inflammation and to an increased risk of non-AIDS mortality. Our objective was to determine whether AIDS-defining events (ADEs) were associated with increased overall and cause-specific non-AIDS related mortality after antiretroviral therapy (ART) initiation. METHODS: We included HIV treatment-naïve adults from the Antiretroviral Therapy Cohort Collaboration (ART-CC) who initiated ART from 1996 to 2014. Causes of death were assigned using the Coding Causes of Death in HIV (CoDe) protocol...
January 2018: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/29333884/use-of-tidal-breathing-curves-for-evaluating-expiratory-airway-obstruction-in-infants
#5
Avigdor Hevroni, Aliza Goldman, Miriam Blank-Brachfeld, Wiessam Abu Ahmad, Lior Ben-Dov, Chaim Springer
OBJECTIVE: To evaluate tidal breathing (TB) flow-volume and flow-time curves for identification of expiratory airway obstruction in infants. METHODS: Pulmonary function tests were analyzed retrospectively in 156 infants aged 3-24 months with persistent or recurrent respiratory complaints. Parameters derived from TB curves were compared to maximal expiratory flow at functional residual capacity ([Formula: see text]maxFRC) measured by rapid thoracoabdominal compression technique...
January 15, 2018: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/29333103/interleukin-35-level-is-elevated-in-patients-with-chronic-hepatitis-b-virus-infection
#6
Sheng-Tao Cheng, Ding Yuan, Yi Liu, Ying Huang, Xiang Chen, Hai-Bo Yu, Lin He, Hui Jiang, Ji-Hua Ren, Juan Chen
Backgrounds: As one of the major public health problems, the hepatitis B virus (HBV) infection would activate the immune system. The outcome of HBV infection was affect significantly by the interactions between HBV and host immune response. Interleukins play important role in anti-viral immunity. Here we investigated the role of interleukin-35 (IL-35) in chronic HBV infection patients. Methods/Results: Serum IL-35 in 72 chronic hepatitis B virus infection patients and 41 healthy control subjects were analyzed by ELISA assay...
2018: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/29332659/a-case-of-hepatic-tuberculosis-a-tuberculoma
#7
Sameer Khanijo, Pragati Tandon
Tuberculosis (TB) is a common cause of morbidity and mortality worldwide and its eradication in the United States has stalled for the first time in decades. Isolated hepatic TB is an extremely uncommon form of extrapulmonary TB. Here we present a case of a tuberculous liver abscess and suggest that TB should be considered in patients who fail to respond to antibiotics and prompt diagnostic intervention.
January 2018: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/29332655/research-on-tuberculosis-in-tribal-areas-in-india-a-systematic-review
#8
REVIEW
V G Rao, M Muniyandi, J Bhat, R Yadav, R Sharma
BACKGROUND: Tuberculosis (TB) remains a major public health problem in resource-poor countries including India. Scientific knowledge is used to guide policy and practice. There is however, a limited, systematically collected data required for guiding the scale-up of interventions particularly amongst vulnerable populations including tribal groups in the country. In view of this, a systematic review of the TB research studies carried out in tribal areas of different parts of the country was undertaken...
January 2018: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/29332654/evaluation-of-loop-mediated-isothermal-amplification-lamp-assay-in-the-diagnosis-of-tubercular-lymphadenitis-a-pilot-study
#9
Baijayantimala Mishra, Vinaykumar Hallur, Bijayini Behera, C Preetam, Priti Nanda Mishra, Jyotirmayee Turuk, Prasanta Raghab Mohapatra
Tubercular lymphadenitis (TBLA) contributes to 30-40% of extrapulmonary TB cases in the immunocompetent individuals and 40-50% in people with HIV. Current diagnostic methods for TBLA like Gene-Xpert or PCR are costly and conventional methods like fine needle aspiration cytology, histopathology lack sensitivity and specificity. Culture which is considered as gold standard require high turnaround time. Loop mediated isothermal amplification (LAMP) assay has been developed as a novel technique for nucleic acid amplification and has shown promising results in the diagnosis of pulmonary tuberculosis...
January 2018: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/29332653/efficacy-of-alternate-day-directly-observed-treatment-short-course-dots-in-skeletal-tuberculosis-a-retrospective-study
#10
Rajat Chopra, Rama Bhatt, S K Biswas, R Bhalla
OBJECTIVE: To assess the efficacy of alternate day (thrice a week) Directly Observed Treatment Short-course (DOTS) regimen spanning six to nine months in providing sustained cure for skeletal tuberculosis (TB) under programmatic conditions. DESIGN: Retrospective cohort study. SETTING: An urban district tuberculosis centre in India under the Revised National Tuberculosis Programme. PARTICIPANTS: A cohort of 218 patients treated with alternate day DOTS regimen for skeletal TB between 2007 and 2012...
January 2018: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/29332652/initial-airflow-obstruction-in-new-cases-of-pulmonary-tuberculosis-complication-comorbidity-or-missed
#11
Andrii Dudnyk, Svitlana Blyzniuk, Oleksandr Pavel'chuk, Olena Zakharchenko, Dmytro Butov, Sergiі Zaіkov
Tuberculosis (TB) may have a similar spirometry findings as a chronic obstructive pulmonary disease but the prevalence of TB-induced airflow obstruction (AO) is still unknown. OBJECTIVES: To measure frequency of AO in new TB cases at the beginning of treatment and to evaluate factors associated with obstructive abnormalities following TB diagnosis. MATERIALS AND METHODS: 317 patients that have no history of prior AO were recruited into the study with a median age of 39...
January 2018: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/29332647/social-support-a-key-factor-for-adherence-to-multidrug-resistant-tuberculosis-treatment
#12
R D Deshmukh, D J Dhande, K S Sachdeva, A N Sreenivas, A M V Kumar, M Parmar
BACKGROUND: Multidrug-resistant tuberculosis (MDR-TB) is emerging as a major public health problem globally. Treatment success rates in MDR-TB across the globe are not encouraging as completing MDR-TB treatment successfully is challenging due to high proportion of lost to follow up. METHODS: Using qualitative methods and grounded theory approach, in-depth interviews were conducted with MDR-TB patients and treatment providers. The social cognitive framework was explored as a way to guide understanding of the factors affecting treatment adherence among MDR-TB patients...
January 2018: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/29332646/strategy-and-way-forward-for-tb-elimination
#13
REVIEW
Devesh Gupta
India's National Strategic Plan (NSP) for TB Elimination 2017-25 looks ambitious in terms of targets of TB notification aiming to reach 35 lakh TB patients annually, i.e. double that of current status. Strategies and interventions designed under the Plan with patient centered approaches, with synergistic public-private-patient partnership can make it possible to achieve real aim of reaching the unreached, by extending patient support systems and social protection to affected communities. In this review point, these strategies and commitments are summarized as future plan...
January 2018: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/29332642/current-affairs-future-perspectives-of-tuberculosis-and-antitubercular-agents
#14
REVIEW
Jineetkumar Gawad, Chandrakant Bonde
Tuberculosis (TB) is the major threat for humans from past several decades. Even after advent of several antitubercular drugs, researchers are still struggling for the mycobacterial infections in humans are TB and leprosy. Chronic infections caused by Mycobacterium tuberculosis and Mycobacterium leprae. A particular problem with both of these organisms is that they can survive inside macrophages after phagocytosis, unless these cells are activated by cytokines produced by T-lymphocytes, because of this researchers are not yet succeeded in finding effective treatment on TB...
January 2018: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/29332619/clinical-characteristics-of-non-tuberculous-mycobacterial-pulmonary-infections-in-bamako-mali
#15
B Kone, Y S Sarro, M Maiga, M Sanogo, A M Somboro, B Diarra, A C G Togo, N Coulibaly, B P P Dembele, D Goita, B Baya, A Kone, S Diabaté, M A Polis, M Belson, S Dao, S Orsega, C J Achenbach, R L Murphy, S Diallo, S Siddiqui
The global spread of non-tuberculous mycobacteria (NTM) may be due to HIV/AIDS and other environmental factors. The symptoms of NTM and tuberculosis (TB) disease are indistinguishable, but their treatments are different. Lack of research on the epidemiology of NTM infections has led to underestimation of its prevalence within TB endemic countries. This study was designed to determine the prevalence and clinical characteristics of pulmonary NTM in Bamako. A cross-sectional study which include 439 suspected cases of pulmonary TB...
January 15, 2018: Epidemiology and Infection
https://www.readbyqxmd.com/read/29332319/treatment-of-latent-tuberculosis-infection-and-its-clinical-efficacy
#16
REVIEW
Hyung Woo Kim, Ju Sang Kim
The role of the treatment for latent tuberculosis infection (LTBI) has been underscored in the intermediate tuberculosis (TB) burden countries like South Korea. LTBI treatment is recommended only for patients at risk for progression to active TB-those with frequent exposure to active TB cases, and those with clinical risk factors (e.g., immunocompromised patients). Recently revised National Institute for Health and Care Excellence (NICE) guideline recommended that close contacts of individuals with active pulmonary or laryngeal TB, aged between 18 and 65 years, should undergo LTBI treatment...
January 2018: Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/29332258/photodynamic-antimicrobial-chemotherapy-pact-using-toluidine-blue-inhibits-both-growth-and-biofilm-formation-by-candida-krusei
#17
Bruna Graziele Marques da Silva, Moisés Lopes Carvalho, Isabela Bueno Rosseti, Stella Zamuner, Maricilia Silva Costa
Among non-albicans Candida species, the opportunistic pathogen Candida krusei emerges because of the high mortality related to infections produced by this yeast. The Candida krusei is an opportunistic pathogen presenting an intrinsic resistance to fluconazol. In spite of the reduced number of infections produced by C. krusei, its occurrence is increasing in some groups of patients submitted to the use of fluconazol for prophylaxis. Photodynamic antimicrobial chemotherapy (PACT) is a potential antimicrobial therapy that combines visible light and a nontoxic dye, known as a photosensitizer, producing reactive oxygen species (ROS) that can kill the treated cells...
January 13, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29331743/preliminary-investigation-of-human-exhaled-breath-for-tuberculosis-diagnosis-by-multidimensional-gas-chromatography-time-of-flight-mass-spectrometry-and-machine-learning
#18
Marco Beccaria, Theodore R Mellors, Jacky S Petion, Christiaan A Rees, Mavra Nasir, Hannah K Systrom, Jean W Sairistil, Marc-Antoine Jean-Juste, Vanessa Rivera, Kerline Lavoile, Patrice Severe, Jean W Pape, Peter F Wright, Jane E Hill
Tuberculosis (TB) remains a global public health malady that claims almost 1.8 million lives annually. Diagnosis of TB represents perhaps one of the most challenging aspects of tuberculosis control. Gold standards for diagnosis of active TB (culture and nucleic acid amplification) are sputum-dependent, however, in up to a third of TB cases, an adequate biological sputum sample is not readily available. The analysis of exhaled breath, as an alternative to sputum-dependent tests, has the potential to provide a simple, fast, and non-invasive, and ready-available diagnostic service that could positively change TB detection...
January 4, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29330673/vacuum-assisted-closure-therapy-of-paradoxical-reaction-in-tuberculous-lymphadenopathy-caused-by-mycobacterium-africanum
#19
H F Geerdes-Fenge, P Pongratz, J Liese, E C Reisinger
A 26-year-old HIV-negative male from Ghana was treated for cervical, intrathoracic and abdominal lymph node tuberculosis (TB) and tuberculous hepatitis. Penetration of the thoracic trachea by a mediastinal lymph node had caused bronchomucosal TB. Sputum culture grew M. africanum, sensitive to all first-line antituberculous drugs. Four weeks after the beginning of directly observed treatment with isoniazid, rifampin, pyrazinamide and ethambutol, the right cervical lymph node increased in size, liquefied and caused a spontaneous fistula...
January 12, 2018: Infection
https://www.readbyqxmd.com/read/29330384/detection-of-apparent-cell-free-m-tuberculosis-dna-from-plasma
#20
E S Click, W Murithi, G S Ouma, K McCarthy, M Willby, S Musau, H Alexander, E Pevzner, J Posey, K P Cain
New diagnostics are needed to improve clinicians' ability to detect tuberculosis (TB) disease in key populations such as children and persons living with HIV and to rapidly detect drug resistance. Circulating cell-free DNA (ccfDNA) in plasma is a diagnostic target in new obstetric and oncologic applications, but its utility for diagnosing TB is not known. Here we show that Mycobacterium tuberculosis complex DNA can be detected in plasma of persons with sputum smear-positive TB, even in the absence of mycobacteremia...
January 12, 2018: Scientific Reports
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