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https://www.readbyqxmd.com/read/28740899/cryptic-nocardia-nova-brain-abscess-postradiation-treatment-and-neurosurgery-in-a-patient-with-small-cell-lung-cancer-a-case-report-and-review-of-the-literature
#1
Stephen Abel, Shaakir Hasan, Brandon Kujawski, Aditya Talwar, James Betler, Rodney Wegner, Athanasios Colonias, Khaled Aziz
No abstract text is available yet for this article.
October 2016: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/28729142/nocardia-farcinica-brain-abscess-report-of-3-cases
#2
Ana Galacho-Harriero, Pedro D Delgado-López, Maria P Ortega-Lafont, Javier Martín-Alonso, José M Castilla-Díez, Belen Sánchez-Borge
BACKGROUND: Central nervous system nocardial infection is a rarely reported disease that usually affects patients with predisposing and debilitating conditions but also the immunocompetent population. The most common variant affecting the brain is Nocardia farcinica. Management of brain nocardiosis is troublesome and requires consideration of the severity of the underlying systemic disease, the difficulties in identifying the bacterium and the frequent delay in initiating adequate therapy...
July 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28716481/-disseminated-nocardiosis-caused-by-nocardia-nova-with-brain-abscesses-and-osteomyelitis-in-an-immunocompetent-patient
#3
P-L Conan, C Ficko, F Charton, O Bylicki, H Le Floch, J Margery, F Rivière
INTRODUCTION: Nocardia is an opportunist bacteria involved in patients with cellular immunodepression or chronic lung disease. The most frequent portals of entry are the respiratory tract by inhalation or direct inoculation through a cutaneous effraction. Nocardiosis may be localised or disseminated. CASE REPORT: We report a rare case of disseminated nocardiosis to Nocardia nova with pulmonary, cutaneous, cerebral attacks and femoral osteomyelitis. The diagnosis was confirmed by prolonged cultures of the bronchoalveolar fluid and the pus extracted from a cutaneous lesion...
July 14, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/28711667/identification-of-three-homologous-latex-clearing-protein-lcp-genes-from-the-genome-of-streptomyces-sp-strain-cfmr-7
#4
Jayaram Nanthini, Su Yean Ong, Kumar Sudesh
Rubber materials have greatly contributed to human civilization. However, being a polymeric material does not decompose easily, it has caused huge environmental problems. On the other hand, only few bacteria are known to degrade rubber, with studies pertaining them being intensively focusing on the mechanism involved in microbial rubber degradation. The Streptomyces sp. strain CFMR 7, which was previously confirmed to possess rubber-degrading ability, was subjected to whole genome sequencing using the single molecule sequencing technology of the PacBio® RS II system...
July 12, 2017: Gene
https://www.readbyqxmd.com/read/28706856/disseminated-nocardia-cyriacigeorgia-causing-pancreatitis-in-a-haploidentical-stem-cell-transplant-recipient
#5
Jason Chen, Jonathan Pan, Joanne Filicko-O'Hara, Margaret Kasner, Phyllis Flomenberg
We report the first published case of acute pancreatitis secondary to disseminated nocardiosis in a hematopoietic stem cell transplant (HSCT) recipient on chronic immunosuppression for graft-versus-host disease (GVHD). Nocardiosis in the HSCT population is relatively rare, and has not yet been described in haploidentical HSCT recipients. Our patient is a 28-year-old male with a history of haploidentical HSCT and GVHD of the skin and lung who was admitted to the hospital with acute pancreatitis. The workup for the etiology of his pancreatitis was initially unrevealing...
2017: IDCases
https://www.readbyqxmd.com/read/28706854/nocardia-beijingensis-brain-abscesses-in-an-hiv-infected-individual
#6
Jolie Guevara Keenan, Sunita Mohapatra
We describe a case of a 50-year-old Hispanic man diagnosed with HIV/AIDS who presented with a generalized tonic clonic seizure and ring enhancing cerebral lesions on imaging. He was initially treated for CNS toxoplasmosis but presented to the hospital with another tonic clonic seizure despite prescribed therapy. Brain biopsy was performed which revealed Nocardia beijingensis. He was treated with intravenous meropenem and trimethoprim/sulfamethoxazole for six weeks followed by long term oral trimethoprim/sulfamethoxazole with radiographic and clinical improvement...
2017: IDCases
https://www.readbyqxmd.com/read/28688759/-respiratory-infections-caused-by-slow-growing-bacteria-nocardia-actinomyces-rhodococcus
#7
E Eschapasse, C Hussenet, A Bergeron, D Lebeaux
INTRODUCTION: Pneumonia caused by slow-growing bacteria is rare but sometimes severe. STATE OF THE ART: These infections share many similarities such as several differential diagnoses, difficulties to identify the pathogen, the importance of involving the microbiologist in the diagnostic investigation and the need for prolonged antibiotic treatment. However, major differences distinguish them: Nocardia and Rhodococcus infect mainly immunocompromised patients while actinomycosis also concerns immunocompetent patients; the severity of nocardioses is related to their hematogenous spread while locoregional extension by contiguity makes the gravity of actinomycosis...
July 5, 2017: Revue des Maladies Respiratoires
https://www.readbyqxmd.com/read/28686600/analysis-of-corynebacterium-diphtheriae-macrophage-interaction-dispensability-of-corynomycolic-acids-for-inhibition-of-phagolysosome-maturation-and-identification-of-a-new-gene-involved-in-synthesis-of-the-corynomycolic-acid-layer
#8
Lisa Ott, Elena Hacker, Timo Kunert, Ian Karrington, Philipp Etschel, Roland Lang, Veit Wiesmann, Thomas Wittenberg, Albel Singh, Cristian Varela, Apoorva Bhatt, Vartul Sangal, Andreas Burkovski
Corynebacterium diphtheriae is the causative agent of diphtheria, a toxin mediated disease of upper respiratory tract, which can be fatal. As a member of the CMNR group, C. diphtheriae is closely related to members of the genera Mycobacterium, Nocardia and Rhodococcus. Almost all members of these genera comprise an outer membrane layer of mycolic acids, which is assumed to influence host-pathogen interactions. In this study, three different C. diphtheriae strains were investigated in respect to their interaction with phagocytic murine and human cells and the invertebrate infection model Caenorhabditis elegans...
2017: PloS One
https://www.readbyqxmd.com/read/28626172/pulmonary-nocardiosis-a-clinical-analysis-of-30-cases
#9
Yasuo Takiguchi, Shunsuke Ishizaki, Takayuki Kobayashi, Shun Sato, Yaeko Hashimoto, Yosuke Suruga, Yoko Akiba
Objective Pulmonary nocardiosis frequently develops as an opportunistic infection in patients with malignant tumor and is treated with steroids. This study was performed to clarify the clinical features of pulmonary nocardiosis in Japan. Methods The patients definitively diagnosed with pulmonary nocardiosis at our hospital between January 1995 and December 2015 were retrospectively investigated. Results Nineteen men and 11 women (30 in total) were diagnosed with pulmonary nocardiosis. Almost all patients were complicated by a non-pulmonary underlying disease, such as malignant tumor or collagen vascular disease, or pulmonary disease, such as chronic obstructive pulmonary disease or interstitial pneumonia, and 13 patients (43...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28622118/imaging-spectrum-of-invasive-fungal-and-fungal-like-infections
#10
Hilary L P Orlowski, Sebastian McWilliams, Vincent M Mellnick, Sanjeev Bhalla, Meghan G Lubner, Perry J Pickhardt, Christine O Menias
Invasive fungal and fungal-like infections contribute to substantial morbidity and mortality in immunocompromised individuals. The incidence of these infections is increasing-largely because of rising numbers of immunocompromised patients, including those with neutropenia, human immunodeficiency virus, chronic immunosuppression, indwelling prostheses, burns, and diabetes mellitus, and those taking broad-spectrum antibiotics. Invasive fungal pathogens include primary mycotic organisms such as Histoplasma capsulatum, Coccidioides immitis, Blastomyces dermatitidis, and Paracoccidioides brasiliensis, which are true pathogens and inherently virulent...
July 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28620593/phenotypic-and-molecular-identification-of-nocardia-in-brain-abscess
#11
Mehdi Fatahi-Bafghi
No abstract text is available yet for this article.
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28614268/pulmonary-and-cutaneous-infection-caused-by-nocardia-farcinica-in-a-patient-with-nephrotic-syndrome-a-case-report
#12
Ning Zhu, Yuan Zhu, Yi Wang, Shaoshao Dong
RATIONALE: Nocardia species is known as conditional pathogenic bacteria. Disseminated infection caused by Nocardia species is rare and occurs primarily in immunosuppressed patients. Signs and symptoms of this infection are frequently nonspecific making early diagnosis and treatment difficult. PATIENT CONCERNS: We report a case of subcutaneous and pulmonary nocardiosis due to Nocardia farcinica (N farcinica) in a patient with nephrotic syndrome who is undergoing long-term corticosteroid therapy...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28606302/-brain-abscesses-caused-by-nocardia-farcinica-in-a-kidney-transplanted-man
#13
Michaela Tinggaard, Kristian Bagge
Nocardiosis is primarily an opportunistic infection caused by aerobic Gram-positive bacteria of the genus Nocardia. In this case report we describe a male patient who previously received a kidney transplant and was admitted to hospital with chills, headache and pain in the neck and left eye, tremor and coordination problems. A magnetic resonance scan of the brain showed multiple abscesses, and blood culture was positive for Nocardia farcinica. Nocardiosis of the central nervous system is a rare, but serious differential diagnosis in immunosuppressed patients with signs of high intracranial pressure...
June 5, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28602739/adjuvant-effect-of-recombinant-interleukin-12-in-the-nocardiosis-formalin-killed-vaccine-of-the-amberjack-seriola-dumerili
#14
Megumi Matsumoto, Kyosuke Araki, Kazuma Hayashi, Yutaka Takeuchi, Kazuhiro Shiozaki, Hiroaki Suetake, Atsushi Yamamoto
Nocardiosis causes serious economic damage in the fish farming of Japanese yellowtail fish. Nocardia seriolae identified as pathogenic bacterium is an intracellular-pathogen. In general, induction of cell-mediated immunity (CMI) is effective in infection defense against intracellular-pathogen. However, the conventional formalin-killed N. seriolae (FKC) vaccine induces humoral immunity. Interleukin-12 (IL-12) is Th1 type heterodimeric cytokine and induces cell differentiation in mammals. Our previous study showed that recombinant amberjack IL-12 has a role in CMI induction in vitro and could be a possible CMI inducing adjuvant...
August 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28595598/isolation-biochemical-and-molecular-identification-of-nocardia-species-among-tb-suspects-in-northeastern-tanzania-a-forgotten-or-neglected-threat
#15
Abubakar S Hoza, Sayoki G S Mfinanga, Irmgard Moser, Brigitte König
BACKGROUND: Pulmonary nocardiosis mimic pulmonary tuberculosis in most clinical and radiological manifestations. In Tanzania, where tuberculosis is one of the major public health threat clinical impact of nocardiosis as the cause of the human disease remains unknown. The objective of the present study was to isolate and identify Nocardia isolates recovered from TB suspects in Northeastern, Tanzania by using biochemical and molecular methods. METHODS: The study involved 744 sputum samples collected from 372 TB suspects from four periphery diagnostic centers in Northeastern, Tanzania...
June 8, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28573992/nocardia-infection-following-intraocular-surgery-report-of-seven-cases-from-a-tertiary-eye-hospital
#16
Devesh Sharma, Umang Mathur, Abha Gour, Manisha Acharya, Nidhi Gupta, Neelam Sapra
PURPOSE: To study the outcome of ocular nocardiosis following intraocular surgery. MATERIALS AND METHODS: A retrospective review of medical records of all postoperative cases of culture proven Nocardia infection over a period of 3 years, from October 2010 to September 2013, was performed. Microbiological analysis was performed for all cases and included smears and cultures. Fortified 2% amikacin eye drops were the mainstay of treatment. Surgical intervention was performed in case of nonresponse to medical therapy or suspected endophthalmitis...
May 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28573110/nocardia-cyriacigeogica-from-bovine-mastitis-induced-in-vitro-apoptosis-of-bovine-mammary-epithelial-cells-via-activation-of-mitochondrial-caspase-pathway
#17
Wei Chen, Yongxia Liu, Limei Zhang, Xiaolong Gu, Gang Liu, Muhammad Shahid, Jian Gao, Tariq Ali, Bo Han
Nocardia is one of the causing agents of bovine mastitis and increasing prevalence of nocardial mastitis in shape of serious outbreaks has been reported from many countries. However, the mechanisms by which this pathogen damages the bovine mammary epithelial cells (bMECs) is not yet studied. Therefore, this study was designed with the aim to evaluate the apoptotic effects elicited by Nocardia and to investigate the pathway by which the Nocardia induce apoptosis in bMECs. Clinical Nocardia cyriacigeorgica strain from bovine mastitis was used to infect the bMECs for different time intervals, viz...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28560514/illumina-based-sequencing-analysis-directed-selection-for-actinobacterial-probiotic-candidates-for-banana-plants
#18
Xin Du, Yanyan Zhai, Qingli Deng, Hongming Tan, Lixiang Cao
As potential probiotic candidates, plant vertically transmitted actinobacteria are beneficial to growth and health of host plants. New methods to isolate the actinobacterial taxa with low growth rates should be developed. Based on the actinobacterial population information, the probiotic actinobacterial taxa could be directly isolated from healthy banana shoot tips. However, actinobacterial DNAs with high GC contents could bias estimates of actinobacteria by PCR. In the study, two amplicon sequencing strategies were adopted to elucidate the endophytic actinobacterial community of banana plants...
May 30, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/28559710/cutaneous-nocardiosis-manifesting-as-a-frontal-mass-in-a-patient-with-giant-cell-arteritis
#19
Violeta Tincuta Briciu, Mirela Flonta, Mihaela Lupse, Laura Damian
We report the case of a subcutaneous abscess due to Nocardia spp. mimicking a spontaneous hematoma or an aneurysm of the temporal artery branch, in a giant cell arteritis patient treated with methylprednisolone and azathioprine. Ultrasonography, incision and drainage with cultures helped in the diagnosis. This case highlights the importance of considering rare pathogens in immunosuppressed patients, besides the more frequent disease complications.
2017: Clujul Medical (1957)
https://www.readbyqxmd.com/read/28542092/approach-to-skin-and-soft-tissue-infections-in-non-hiv-immunocompromised-hosts
#20
Victoria E Burke, Fred A Lopez
PURPOSE OF REVIEW: Skin and soft tissue infections are frequent contributors to morbidity and mortality in the immunocompromised host. This article reviews the changing epidemiology and clinical manifestations of the most common cutaneous pathogens in non-HIV immunocompromised hosts, including patients with solid organ transplants, stem cell transplants, solid tumors, hematologic malignancies, and receiving chronic immunosuppressive therapy for inflammatory disorders. RECENT FINDINGS: Defects in the innate or adaptive immune response can predispose the immunocompromised host to certain cutaneous infections in a predictive fashion...
August 2017: Current Opinion in Infectious Diseases
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