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https://www.readbyqxmd.com/read/28213689/serious-fungal-infections-in-egypt
#1
S M Zaki, D W Denning
We aimed to estimate the burden of serious fungal infections in Egypt, currently unknown, based on the size of the populations at risk and available epidemiological data. Data were obtained from the World Health Organization (WHO), the Joint United Nations Programme on HIV/AIDS (UNAIDS), and published reports with clearcut denominators. When no data existed, risk populations were used to estimate frequencies of fungal infections, using previously described methodology. The population of Egypt in 2011 was ∼82,500,000; 31% children, and 8% women >60 years of age...
February 17, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28210295/global-impact-of-bronchiectasis-and-cystic-fibrosis
#2
REVIEW
Margarida Redondo, Holly Keyt, Raja Dhar, James D Chalmers
EDUCATIONAL AIMS: To recognise the clinical and radiological presentation of the spectrum of diseases associated with bronchiectasis.To understand variation in the aetiology, microbiology and burden of bronchiectasis and cystic fibrosis across different global healthcare systems. : Bronchiectasis is the term used to refer to dilatation of the bronchi that is usually permanent and is associated with a clinical syndrome of cough, sputum production and recurrent respiratory infections...
September 2016: Breathe
https://www.readbyqxmd.com/read/28209712/mycobacterium-tuberculosis-esxl-inhibit-mhc-ii-expression-by-promoting-hypermethylation-in-class-ii-transactivator-loci-in-macrophages
#3
Srabasti Sengupta, Saba Naz, Ishani Das, Abdul Ahad, Avinash Padhi, Sumanta Naik, Geetanjali Ganguli, Kaliprasad Patnaik, Sunil Kumar Raghav, Vinay Nandicoori, Avinash Sonawane
Mycobacterium tuberculosis (Mtb) is known to modulate the host immune responses to facilitate its persistence inside the host cells. One of the key mechanisms includes repression of class-II transactivator (CIITA) and MHC-II expression in infected macrophages. However, the precise mechanism of CIITA and MHC-II down-regulation is not well studied. Mtb 6-kDa early secretory antigenic target (ESAT-6) is a known potent virulence and antigenic determinant. Mtb genome encodes 23 such ESAT-6 family proteins. We herein report that Mtb and M...
February 16, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28208927/tuberculosis-of-glans-penis-a-rare-presentation
#4
C Gangalakshmi, Sankaramahalingam
Tuberculosis (TB) of penis is a very rare entity, even in developing countries. It may present as primary or secondary to Pulmonary TB (PTB). Penile TB mimics carcinoma penis, granulomatous penile ulcer, genital herpes simplex, granuloma inguinale and HIV infection. We, hereby, present the case of a 57-year-old male patient who presented to us with ulcerative growth over glans penis and was clinically diagnosed as carcinoma penis, however biopsy of the lesion showed evidence of tuberculosis which was supported by chest X-ray...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208863/fine-needle-aspiration-cytology-of-papulonodular-lesions-of-skin-a-study-of-50-cases
#5
Sapna Patel, Asha Mahadevappa, Gubbanna Vimalambike Manjunath
INTRODUCTION: Skin is one of the frequent site of disease in human body. Fine Needle Aspiration Cytology (FNAC) is a safe diagnostic method in these cases. FNAC has some limitation, particularly related to representativity of samples, exact typing of skin adnexal tumours and classifying the nature of metastatic cutaneous nodules. Thus, FNAC alone may not give a confirmative diagnosis regarding few skin lesions. Hence, histopathological study has been the standard technique for the diagnosis of skin lesions...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208160/quantitative-and-qualitative-profiles-of-circulating-monocytes-may-help-identifying-tuberculosis-infection-and-disease-stages
#6
Marco Pio La Manna, Valentina Orlando, Francesco Dieli, Paola Di Carlo, Antonio Cascio, Gilda Cuzzi, Fabrizio Palmieri, Delia Goletti, Nadia Caccamo
Tuberculosis (TB) is one of the most important cause of morbidity and death among infectious diseases, and continuous efforts are needed to improve diagnostic tools and therapy. Previous published studies showed that the absolute cells number of monocytes or lymphocytes in peripheral blood or yet the ratio of monocytes to lymphocytes displayed the ability to predict the risk of active TB. In the present study we evaluated the ratio of monocytes to lymphocytes variation and we also analyzed the ex-vivo expression of CD64 on monocytes as tools to identify biomarkers for discriminating TB stages...
2017: PloS One
https://www.readbyqxmd.com/read/28208151/bacillus-calmette-gu%C3%A3-rin-confers-neuroprotection-in-a-murine-model-of-japanese-encephalitis
#7
Sahil Kulkarni, Sandeepan Mukherjee, Anupama Pandey, Ritwik Dahake, Usha Padmanabhan, Abhay S Chowdhary
OBJECTIVE: Japanese encephalitis (JE) is a debilitating disease caused by infection with the JE virus (JEV; family: Flaviviridae), which leaves neurological sequelae in survivors but more often leads to mortality. Neurodegeneration caused by inflammation is the primary pathology behind the clinical manifestation of encephalitis caused by JEV. Bacillus Calmette-Guérin (BCG) has been used in immunoprophylaxis for tuberculosis and in the adjuvant therapy of many malignancies, and has exhibited neuroprotective activities in experimental models of Parkinson and Alzheimer disease...
February 17, 2017: Neuroimmunomodulation
https://www.readbyqxmd.com/read/28206982/biocompatible-chitosan-nanoparticles-as-an-efficient-delivery-vehicle-for-mycobacterium-tuberculosis-lipids-to-induce-potent-cytokines-and-antibody-response-through-activation-of-%C3%AE-%C3%AE-t-cells-in-mice
#8
Ishani Das, Avinash Padhi, Sitabja Mukherjee, Debi Dash, Santosh Kar, Avinash Sonawane
Activation of cell mediated and humoral immune responses to Mycobacterium tuberculosis (Mtb) are critical for protection and that nanoparticles mediated delivery of antigens are more potent in inducing different immune responses. Herein, we show that mice immunized with Mtb lipid bound chitosan nanoparticles(NPs) induce secretion of prominent type 1 T helper (Th1) and type 2 T helper (Th2) cytokines in lymph node and spleen cells, and also induced significantly higher levels of IgG, IgG1, IgG2 and IgM in comparison to control mice...
February 16, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28206680/an-ssdna-aptamer-against-mannose-capped-lipoarabinomannan-enhances-anti-tuberculosis-activity-of-macrophages-through-downregulation-of-lipid-sensing-nuclear-receptor-peroxisome-proliferator-activated-receptor-%C3%AE-expression
#9
Qin Pan, Jiamin Yan, Qi Liu, Chunhui Yuan, Xiao-Lian Zhang
Mannose-capped lipoarabinomannan (ManLAM) is an immunomodulatory epitope of Mycobacterium tuberculosis (Mtb). We previously generated an aptamer (ZXL1) that specifically binds to ManLAM from the virulent Mtb H37Rv strain and reported that ZXL1 functioned as an antagonist, inhibiting the ManLAM-induced immunosuppression of dendritic cells (DCs). In the present study, we found that ZXL1 inhibited Mtb entry into murine macrophages. ZXL1 enhanced IL-1β and IL-12 mRNA expression and cytokine production in ManLAM-treated macrophages but decreased IL-10 production...
February 16, 2017: Microbiology and Immunology
https://www.readbyqxmd.com/read/28205471/a-rare-case-of-primary-tuberculous-tenosynovitis-in-a-young-patient-with-an-acute-history
#10
Alistair J M Reed, Jeremy N Rodrigues, Sharif Al-Ghazal, Zakir Shariff
We present a rare case of primary tuberculous tenosynovitis in a young patient with an acute history of non-penetrating traumatic injury. The patient had recently visited Pakistan and presented with sudden onset pain at the base of their right fifth digit after trying to catch a cricket ball. A provisional diagnosis of haematoma was made; however, ultrasonography revealed a mass attached to the A2 pulley. Surgical excision followed by histological examination and culture identified Mycobacterium Tuberculosis infection...
March 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28203422/colobronchial-fistula-the-pathogenesis-clinical-presentations-diagnosis-and-treatment
#11
Jinbo Zhao, Nan Ma, Zhengwei Zhao, Jie Lei, Qiang Lu, Feng Tian, Yongan Zhou, Yong Han, Xiaofei Li
BACKGROUND: Colobronchial fistula (CBF) is rare and easy to be delayed in clinic. There is no systemic study about this disease. The pathogenesis, clinical presentations, diagnosis and treatment of CBF were analyzed in this study. METHODS: The clinical data from 37 cases of CBF, which included one case in our institute and the other 36 cases in literature from January 1960 to August 2016, were reviewed and analyzed. The etiology, clinical presentations, diagnostic and therapeutic methods, and outcomes were summarized...
January 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28203237/activation-of-the-wnt-pathway-by-mycobacterium-tuberculosis-a-wnt-wnt-situation
#12
REVIEW
Tomás Villaseñor, Edgardo Madrid-Paulino, Rafael Maldonado-Bravo, Antonio Urbán-Aragón, Leonor Pérez-Martínez, Gustavo Pedraza-Alva
Mycobacterium tuberculosis (M. tuberculosis), an intracellular pathogenic Gram-positive bacterium, is the cause of tuberculosis (TB), a major worldwide human infectious disease. The innate immune system is the first host defense against M. tuberculosis. The recognition of this pathogen is mediated by several classes of pattern recognition receptors expressed on the host innate immune cells, including Toll-like receptors, Nod-like receptors, and C-type lectin receptors like Dectin-1, the Mannose receptor, and DC-SIGN...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28203178/a-patient-with-supraclavicular-lymphadenopathy-and-anterior-mediastinal-mass-presenting-as-a-rare-case-of-composite-lymphoma-a-case-report-and-literature-review
#13
Alex Raufi, James Jerkins, Yung Lyou, Deepa Jeyakumar
Composite lymphoma (CL) is a rare disease with 2 distinct lymphomas concurrently arising in a single patient with an estimated incidence of 1-4.7% of newly diagnosed lymphomas per year. CL most commonly involves 2 B-cell non-Hodgkin lymphomas (NHL) or a B-cell NHL with a Hodgkin lymphoma. Our case is unique in that it was a bilineage CL with both a T-cell and B-cell NHL, which has only been reported in a few case reports. A 49-year-old woman presented with several months of progressive cough, weight loss, dyspnea, and supraclavicular lymphadenopathy...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/28202315/mycobacterium-tuberculosis-chorismate-mutase-a-potential-target-for-tb
#14
REVIEW
Manjulatha Khanapur, Mallika Alvala, Maddela Prabhakar, K Shiva Kumar, R K Edwin, P S V K Sri Saranya, Raj Kumar Patel, Gopalakrishnan Bulusu, P Misra, Manojit Pal
Mycobacterium tuberculosis chorismate mutase (MtbCM) catalyzes the rearrangement of chorismate to prephenate in the shikimate biosynthetic pathway to form the essential amino acids, phenylalanine and tyrosine. Two genes encoding chorismate mutase have been identified in Mtb. The secretory form,∗MtbCM (encoded by Rv1885c) is assumed to play a key role in pathogenesis of tuberculosis. Also, the inhibition of MtbCM may hinder the supply of nutrients to the organism. Indeed, the existence of chorismate mutase (CM) in bacteria, fungi and higher plants but not in human and low sequence homology among known CM makes it an interesting target for the discovery of anti-tubercular agents...
February 4, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28202091/isolation-unit-for-multidrug-resistant-tuberculosis-patients-in-a-low-endemic-country-a-step-towards-the-world-health-organization-end-tb-strategy
#15
M C Payen, J P VAN Vooren, O Vandenberg, N Clumeck, S DE Wit
Tuberculosis (TB) remains a threat to public health and is the second cause of death due to a single infectious agent after HIV/AIDS. The worldwide distribution of TB is heterogeneous. The incidence is decreasing in most high-income regions, but the situation remains worrying in many parts of the world. The emergence of Mycobacterium tuberculosis strains resistant to key agents used in treatment (rifampin and isoniazid) contributes to TB transmission around the world. To achieve TB elimination, both high and low endemic countries must upscale their efforts to decrease disease transmission and improve cure rates...
February 16, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28197023/genitourinary-sarcoidosis-an-essential-review-for-the-practicing-clinician
#16
REVIEW
Norman L Block, Bruce R Kava
INTRODUCTION: Sarcoidosis is a multisystem disease that commonly involves the lungs, but may also present with extrapulmonary manifestations. Genitourinary (GU) tract involvement has been traditionally thought to be rare, but that view may underestimate the true prevalence of the disease due to the often, silent presentation thereof. METHODS: The literature pertaining to sarcoidosis from the general systemic point of view, etiology and therapy and with regard to specific organs was reviewed by identifying key words in a PubMed search...
January 2017: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/28194086/silicosis-in-the-form-of-progressive-massive-fibrosis-a-diagnostic-challenge
#17
Somnath Bhattacharya, Atin Dey, Amitava Pal, Saurav Kar, Sayantan Saha
Silicosis is a major occupational lung disease with a relatively fatal and irreversible outcome. Early diagnosis for shifting the potential candidates to safe modes of workplace as well as for prevention of further progression is the cornerstone of management. Here, we present a complicated case of silicosis in the form of progressive massive fibrosis, which was initially interpreted as tuberculosis; radiological images had resemblance with tuberculosis and cryptogenic organizing pneumonia. Radiology-guided trucut biopsy was imperative to confirm the diagnosis...
May 2016: Indian Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28192419/seq-well-portable-low-cost-rna-sequencing-of-single-cells-at-high-throughput
#18
Todd M Gierahn, Marc H Wadsworth, Travis K Hughes, Bryan D Bryson, Andrew Butler, Rahul Satija, Sarah Fortune, J Christopher Love, Alex K Shalek
Single-cell RNA-seq can precisely resolve cellular states, but applying this method to low-input samples is challenging. Here, we present Seq-Well, a portable, low-cost platform for massively parallel single-cell RNA-seq. Barcoded mRNA capture beads and single cells are sealed in an array of subnanoliter wells using a semipermeable membrane, enabling efficient cell lysis and transcript capture. We use Seq-Well to profile thousands of primary human macrophages exposed to Mycobacterium tuberculosis.
February 13, 2017: Nature Methods
https://www.readbyqxmd.com/read/28190800/cocoon-carcinomatosa-an-unusual-cause-of-intestinal-obstruction
#19
Jimil Shah, Amit Kumar, Harjeet Singh, Roshan Agarwala, Vishal Sharma, Surinder S Rana
Abdominal cocoon, also termed sclerosing encapsulating peritonitis, is an uncommon entity associated with formation of a fibro-collagenous membrane around intestinal loops resulting in intestinal obstruction. Most reported cases are idiopathic, but many other causes have been implicated in cocoon formation, including use of continuous ambulatory peritoneal dialysis, peritoneal tuberculosis, and connective tissue disease. However, peritoneal carcinomatosis is a rarely reported entity that causes this condition...
February 13, 2017: Drug Discoveries & Therapeutics
https://www.readbyqxmd.com/read/28190404/determinants-of-mortality-in-elderly-patients-with-tuberculosis-a-population-based-follow-up-study
#20
Y-F Yen, J-Y Feng, S-W Pan, P-H Chuang, V Y-F Su, W-J Su
Elderly individuals with tuberculosis (TB) are more likely to have a non-specific clinical presentation of TB and high mortality. However, factors associated with mortality in elderly TB patients have not been extensively studied. This retrospective cohort study aimed to identify factors associated with death among elderly Taiwanese with TB. All elderly patients with TB from 2006 to 2014 in Taipei, Taiwan, were included in a study. Multiple logistic regression was used to identify the factors associated with death in elderly TB patients...
February 13, 2017: Epidemiology and Infection
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