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https://www.readbyqxmd.com/read/28938311/feasibility-of-monotherapy-by-rituximab-without-additional-desensitization-in-abo-incompatible-living-donor-liver-transplantation
#1
Hidekazu Yamamoto, Koshi Uchida, Seiichi Kawabata, Kaori Isono, Kohei Miura, Shintaro Hayashida, Yuki Oya, Yasuhiko Sugawara, Yukihiro Inomata
BACKGROUND: Rituximab is a cornerstone in the regimens of desensitization for ABO-incompatible living donor liver transplantation (ABO-i LT) that makes this modality an acceptable option for liver transplantation. Plasmapheresis (PP) to reduce anti-ABO antibody titer and local infusion therapy (LI) were practiced as the strategies for desensitization before the application of rituximab and were reported as additional treatments. The aim of this study was to clarify the feasibility of monotherapy by rituximab without any additional desensitization treatments in ABO-i LT...
September 20, 2017: Transplantation
https://www.readbyqxmd.com/read/28938005/recombinant-vaccines-of-a-cd4-t-cell-epitope-promote-efficient-control-of-paracoccidioides-brasiliensis-burden-by-restraining-primary-organ-infection
#2
Rodrigo Assunção Holanda, Julián Esteban Muñoz, Lucas Santos Dias, Leandro Buffoni Roque Silva, Julliana Ribeiro Alves Santos, Sthefany Pagliari, Érica Leandro Marciano Vieira, Tatiane Alves Paixão, Carlos Pelleschi Taborda, Daniel Assis Santos, Oscar Bruña-Romero
Paracoccidioidomycosis (PCM) is an infectious disease endemic to South America, caused by the thermally dimorphic fungi Paracoccidioides. Currently, there is no effective human vaccine that can be used in prophylactic or therapeutic regimes. We tested the hypothesis that the immunogenicity of the immunodominant CD4+ T-cell epitope (P10) of Paracoccidioides brasiliensis gp43 antigen might be significantly enhanced by using a hepatitis B virus-derived particle (VLP) as an antigen carrier. This chimera was administered to mice as a (His)6-purified protein (rPbT) or a replication-deficient human type 5 adenoviral vector (rAdPbT) in an immunoprophylaxis assay...
September 22, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28936955/-analysis-of-characteristics-of-bacteria-in-respiratory-tract-infection-in-2013-2016-in-heibei-3a-hospital-a-single-center-report-of-7-497-patients
#3
Lili Hou, Lili Liu, Ping Dang, Guannan Kang, Qinfeng Zhang, Dongling Li
OBJECTIVE: To analyze the changes and characteristics of respiratory tract bacteria in Hebei 3A Hospital, and to provide new rationale for clinical diagnosis and treatment. METHODS: A single-center retrospective analysis was conducted. 7 497 patients with respiratory tract infection admitted to Hebei Chest Hospital from January 2013 to December 2016 were enrolled. Deep sputum was collected, and the bacterial cultures and susceptibility analysis was conducted in sputum and upper respiratory secretions were collected by fiberoptic bronchoscopy...
September 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28936201/trichoderma-asperelloides-spores-downregulate-dectin1-2-and-tlr2-receptors-of-mice-macrophages-and-decrease-candida-parapsilosis-phagocytosis-independent-of-the-m1-m2-polarization
#4
Andréa G Dos Santos, Érica A Mendes, Rafael P de Oliveira, Ana M C Faria, Aurizangela O de Sousa, Carlos P Pirovani, Fernanda F de Araújo, Andréa T de Carvalho, Marliete Carvalho Costa, Daniel Assis Santos, Quimi V Montoya, Andre Rodrigues, Jane L Dos Santos
The intensive use of pesticides to control pests in agriculture has promoted several issues relating to environment. As chemical pesticides remain controversial, biocontrol agents originating from fungi could be an alternative. Among them, we highlight biocontrol agents derived from the fungi genus Trichoderma, which have been documented in limiting the growth of other phytopathogenic fungus in the roots and leaves of several plant species. An important member of this genus is Trichoderma asperelloides, whose biocontrol agents have been used to promote plant growth while also treating soil diseases caused by microorganisms in both greenhouses and outdoor crops...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28935260/insights-of-lr28-mediated-wheat-leaf-rust-resistance-transcriptomic-approach
#5
Dharmendra Singh, Dhananjay Kumar, Lopamudra Satapathy, Jyoti Pathak, Saket Chandra, Adnan Riaz, Govindraj Bhaganagre, Raman Dhariwal, Manish Kumar, Kumble Vinod Prabhu, Harindra Singh Balyan, Pushpendra Kumar Gupta, Kunal Mukhopadhyay
Leaf rust is a fungal disease that causes severe yield losses in wheat. Resistant varieties with major and quantitative resistance genes are the most effective method to control the disease. However, the main problem is inadequate information for understanding resistance mechanism and its usefulness. This paper presents Lr28 mediated genome-wide response of known and unknown genes during wheat-Puccinia triticina interaction. In this study, we prepared Serial Analysis of Gene Expression (SAGE) libraries using seedling wheat mRNA for infected and mock conditions...
September 18, 2017: Gene
https://www.readbyqxmd.com/read/28935221/thermal-stability-of-mafenide-and-amphotericin-b-topical-solution
#6
Julie A Rizzo, Angela K Martini, Kaitlin A Pruskowski, Matthew P Rowan, Krista L Niece, Kevin S Akers
OBJECTIVE: Fungal infections remain a major cause of mortality in the burned population. Mafenide acetate/amphotericin B solution (SMAT) has been used topically for prophylaxis and treatment of these infections. Current manufacturer guidelines only guarantee the stability of mafenide solution and amphotericin B at room temperature. Additionally, the recommended maximum storage time for mafenide solution is 48h, leading to significant financial and material loss when unused solutions are discarded...
September 18, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28935008/coccidioidomycosis-in-an-indoor-housed-rhesus-macaque-macaca-mulatta
#7
Mila C Kundu, Michael A Ringenberg, Denise L d'Epagnier, Heather L Haag, Sean Maguire
Coccidioides spp. are saprophytic, dimorphic fungi that are endemic to arid climates, are capable of infecting many species, and result in diverse clinical presentations. An indoor-housed laboratory rhesus macaque presented with weight loss and decreased activity and appetite. During the diagnostic evaluation, a bronchiolar-alveolar pattern in the cranial lung lobes, consistent with bronchopneumonia, was noted on radiographs. Given the poor prognosis, the macaque was euthanized. Confirming the radiographic assessment, gross necropsy findings included multifocal to coalescing areas of consolidation in the right and left cranial lung lobes...
October 1, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28934824/acid-fastness-of-histoplasma-in-surgical-pathology-practice
#8
Madhu Rajeshwari, Immaculata Xess, Mehar Chand Sharma, Deepali Jain
BACKGROUND: Histoplasmosis (HP) is diagnosed by visualizing intracellular microorganisms in biopsy and/or culture. Periodic-acid Schiff (PAS) and Gomori methenamine silver (GMS) staining methods are routinely used for identification. The acid-fast property of Histoplasma was identified decades ago, but acid-fast staining has not been practiced in current surgical pathology. Awareness of the acid-fast property of Histoplasma, which is due to mycolic acid in the cell wall, is important in distinguishing Histoplasma from other infective microorganisms...
September 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28934415/first-report-of-urease-activity-in-the-novel-systemic-fungal-pathogen-emergomyces-africanus-a-comparison-with-the-neurotrope-cryptococcus-neoformans
#9
Barbra Lerm, Chris Kenyon, Ilan S Schwartz, Heinrich Kroukamp, Riaan de Witt, Nelesh P Govender, G Sybren de Hoog, Alfred Botha
Cryptococcus neoformans is an opportunistic pathogen responsible for the AIDS-defining illness, cryptococcal meningitis. During the disease process, entry of cryptococcal cells into the brain is facilitated by virulence factors that include urease enzyme activity. A novel species of an Emmonsia-like fungus, recently named Emergomyces africanus, was identified as a cause of disseminated mycosis in HIV-infected persons in South Africa. However, in contrast to C. neoformans, the enzymes produced by this fungus, some of which may be involved in pathogenesis, have not been described...
November 1, 2017: FEMS Yeast Research
https://www.readbyqxmd.com/read/28933975/foot-problems-in-older-women
#10
F Guidozzi
Between 20 and 45% of women aged over 65 years of age will develop one or more foot problems, which, although not specific to older women, are more common in that age group than in younger women. These include structural defects of the toes including hallux valgus, hammer, mallet or claw toes, skin disorders, fungal infection of the toes and toe nails, thickened toe nails, ulcers, fissures or cracks between the toes, corns and calluses, flat or high-arched feet. Foot pain is common and may be associated with other co-morbid diseases of the foot...
September 21, 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/28933671/of-mice-and-men-and-larvae-galleria-mellonella-to-model-the-early-host-pathogen-interactions-after-fungal-infection
#11
Andrew M Borman
No abstract text is available yet for this article.
September 21, 2017: Virulence
https://www.readbyqxmd.com/read/28933181/-heart-transplantation-and-infection
#12
Eva Ozábalová, Jan Krejčí, Petr Hude, Julius Godava, Tomáš Honek, Lenka Špinarová, Petr Pavlík, Helena Bedáňová, Petr Němec
Heart transplantation (HTx) is a method of treatment for patients with end-stage heart failure with severe symptoms despite complex therapy. Post-transplant difficulties include acute rejection and infectious complications, which are the most common reason of morbidity and mortality in the first year after heart transplant. It requires the patient to remain on immunosuppressive medication to avoid the possibility of graft rejection. Therefore the range of infection is much larger. The diagnosis and treatment of viral, bacterial and fungal infections is often difficult...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28932216/mycoviruses-in-aspergilli-a-comprehensive-review
#13
REVIEW
Ioly Kotta-Loizou, Robert H A Coutts
Fungi, similar to all species, are susceptible to viral infection. Aspergillus is arguably the most well studied fungal genus because of its medical, ecological and economical significance. Mycoviruses were initially detected in Aspergillus species almost 50 years ago and the field continues to be active today with ground-breaking discoveries. The aim of the present review is to cover the scientific progress in all aspects of mycovirology as exemplified by Aspergillus-focused research. Initially an overview of the population studies illustrating the presence of mycoviruses in numerous important Aspergillus species, such as A...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28931683/caenorhabditis-elegans-as-an-emerging-model-for-virus-host-interactions
#14
Don B Gammon
Since 1999, Caenorhabditis elegans has been extensively used to study microbe-host interactions due to its simple culture, genetic tractability, and susceptibility to numerous bacterial and fungal pathogens. In contrast, virus studies have been hampered by a lack of convenient virus infection models in nematodes. The recent discovery of a natural viral pathogen of C. elegans and development of diverse artificial infection models are providing new opportunities to explore virus-host interplay in this powerful model organism...
September 20, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28929638/interactions-of-wrky15-and-wrky33-transcription-factors-and-their-roles-in-the-resistance-of-oilseed-rape-to-sclerotinia-infection
#15
Fei Liu, Xiaoxia Li, Meirong Wang, Jing Wen, Bin Yi, Jinxiong Shen, Chaozhi Ma, Tingdong Fu, Jinxing Tu
WRKY transcription factors are known to participate in the defense responses of higher plants. However, little is known about the roles of such proteins, especially regarding their functions in the resistance of oilseed rape (Brassica napus) to Sclerotinia sclerotiorum, a necrotrophic fungal pathogen that causes stem rot. In the present study, we identified BnWRKY33 as a S. sclerotiorum-responsive gene that positively regulates resistance to this pathogen by enhancing the expression of genes involved in camalexin synthesis and genes regulated by salicylic acid (SA) and jasmonic acid (JA)...
September 20, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28928736/selective-igm-deficiency-an-underestimated-primary-immunodeficiency
#16
REVIEW
Sudhir Gupta, Ankmalika Gupta
Although selective IgM deficiency (SIGMD) was described almost five decades ago, it was largely ignored as a primary immunodeficiency. SIGMD is defined as serum IgM levels below two SD of mean with normal serum IgG and IgA. It appears to be more common than originally realized. SIGMD is observed in both children and adults. Patients with SIGMD may be asymptomatic; however, approximately 80% of patients with SIGMD present with infections with bacteria, viruses, fungi, and protozoa. There is an increased frequency of allergic and autoimmune diseases in SIGMD...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28928478/biomimetically-engineered-amphotericin-b-nano-aggregates-circumvent-toxicity-constraints-and-treat-systemic-fungal-infection-in-experimental-animals
#17
Qamar Zia, Owais Mohammad, Mohd Ahmar Rauf, Wasi Khan, Swaleha Zubair
Biomimetic synthesis of nanoparticles offers a convenient and bio friendly approach to fabricate complex structures with sub-nanometer precision from simple precursor components. In the present study, we have synthesized nanoparticles of Amphotericin B (AmB), a potent antifungal agent, using Aloe vera leaf extract. The synthesis of AmB nano-assemblies (AmB-NAs) was established employing spectro-photometric and electron microscopic studies, while their crystalline nature was established by X-ray diffraction...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28927397/detection-of-bacterial-pathogens-from-clinical-specimens-using-conventional-microbial-culture-and-16s-metagenomics-a-comparative-study
#18
Lalanika M Abayasekara, Jennifer Perera, Vishvanath Chandrasekharan, Vaz S Gnanam, Nisala A Udunuwara, Dileepa S Liyanage, Nuwani E Bulathsinhala, Subhashanie Adikary, Janith V S Aluthmuhandiram, Chrishanthi S Thanaseelan, D Portia Tharmakulasingam, Tharaga Karunakaran, Janahan Ilango
BACKGROUND: Infectious disease is the leading cause of death worldwide, and diagnosis of polymicrobial and fungal infections is increasingly challenging in the clinical setting. Conventionally, molecular detection is still the best method of species identification in clinical samples. However, the limitations of Sanger sequencing make diagnosis of polymicrobial infections one of the biggest hurdles in treatment. The development of massively parallel sequencing or next generation sequencing (NGS) has revolutionized the field of metagenomics, with wide application of the technology in identification of microbial communities in environmental sources, human gut and others...
September 19, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28927203/diagnostic-imaging-and-invasive-fungal-diseases-in-children
#19
Aspasia Katragkou, Brian T Fisher, Andreas H Groll, Emmanuel Roilides, Thomas J Walsh
Invasive fungal disease (IFD) is a life-threatening condition, especially in immunocompromised children. The role of diagnostic imaging in children at risk for an IFD is multifactorial, including initially detecting it, evaluating for dissemination of infection beyond the primary site of disease, monitoring the response to antifungal therapy, and assessing for potential relapse. The objective of this review was to synthesize the published literature relevant to the use of various imaging modalities for the diagnosis and management of IFD in children...
September 1, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28927201/recognition-and-clinical-presentation-of-invasive-fungal-disease-in-neonates-and-children
#20
Jill King, Zoi-Dorothea Pana, Thomas Lehrnbecher, William J Steinbach, Adilia Warris
Invasive fungal diseases (IFDs) are devastating opportunistic infections that result in significant morbidity and death in a broad range of pediatric patients, particularly those with a compromised immune system. Recognizing them can be difficult, because nonspecific clinical signs and symptoms or isolated fever are frequently the only presenting features. Therefore, a high index of clinical suspicion is necessary in patients at increased risk of IFD, which requires knowledge of the pediatric patient population at risk, additional predisposing factors within this population, and the clinical signs and symptoms of IFD...
September 1, 2017: Journal of the Pediatric Infectious Diseases Society
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