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https://www.readbyqxmd.com/read/29116676/salvage-therapy-with-topical-posaconazole-in-lung-transplant-recipients-with-invasive-scedosporium-infection
#1
Amparo Solé, Ana A García-Robles, Carlos Jordá, Enrique Cases Viedma, Nuria Mancheño, José Luis Poveda-Andrés, Juan Pablo Reig Mezquida, Javier Pemán
Scedosporium is an important pathogen in cystic fibrosis (CF) and post-transplant, but it rarely causes invasive infection. Treatment remains challenging, particularly due to the inherent resistance to multiple antifungal agents. We present three complicated invasive tracheobronchial and lung Scedosporium apiospermum infections following lung transplant. In two of three cases, the infection was clinically and radiologically cured with frequent cleansing bronchoscopies, combining triazole with terbinafine therapy and nebulized posaconazole...
November 8, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/29111602/scedosporium-apiospermum-infection-of-the-urinary-system-with-a-review-of-treatment-options-and-cases-in-the-literature
#2
Esther Benamu, Alexander Tin-Han Yu, Lijia Xie, Sebastian Fernandez-Pol, Anna Y Liu, Dora Y Ho
Infection with Scedosporium species is associated with significant morbidity and mortality and is becoming increasingly common, especially in immunocompromised patients. We describe the presentation and successful management of an immunocompromised patient with Scedosporium apiospermum infection of the upper urinary tract system, a rare disease manifestation. The current literature on urinary tract scedosporiosis is further reviewed with emphasis on treatment options and limitations of current antifungal therapy...
November 7, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29094263/exophiala-dermatitidis-revealing-cystic-fibrosis-in-adult-patients-with-chronic-pulmonary-disease
#3
Frédéric Grenouillet, Bernard Cimon, Heloise Pana-Katatali, Christine Person, Marie Gainet-Brun, Marie-Claire Malinge, Yohann Le Govic, Bénédicte Richaud-Thiriez, Jean-Philippe Bouchara
Cystic fibrosis (CF) is a genetic inherited disease due to mutations in the gene cystic fibrosis transmembrane conductance regulator (CFTR). Because of the huge diversity of CFTR mutations, the CF phenotypes are highly heterogeneous, varying from typical to mild form of CF, also called atypical CF. These atypical features are more frequently diagnosed at adolescence or adulthood, and among clinical signs and symptoms leading to suspect a mild form of CF, colonization or infection of the respiratory tract due to well-known CF pathogens should be a warning signal...
November 1, 2017: Mycopathologia
https://www.readbyqxmd.com/read/29074141/bullous-necrotic-purpura-caused-by-scedosporium-apiospermum-presenting-with-a-sporotrichoid-pattern
#4
J Company-Quiroga, C Martínez-Morán, A Moreno, J Borbujo
No abstract text is available yet for this article.
October 23, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/29069388/the-secreted-polyketide-boydone-a-is-responsible-for-the-anti-staphylococcus-aureus-activity-of-scedosporium-boydii
#5
Cindy Staerck, Anne Landreau, Gaëtan Herbette, Catherine Roullier, Samuel Bertrand, Benjamin Siegler, Gérald Larcher, Jean-Philippe Bouchara, Maxime J J Fleury
Usually living as a soil saprophyte, the filamentous fungus Scedosporium boydii may also cause various infections in human. Particularly, it is one of the major causative agents of fungal colonization of the airways in patients with cystic fibrosis (CF). To compete with other microorganisms in the environment, fungi have evolved sophisticated strategies, including the production of secondary metabolites with antimicrobial activity which may also help them to establish successfully within the respiratory tract of receptive hosts...
October 24, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/29044831/a-cluster-of-scedosporiosis-in-lung-transplant-candidates-and-recipients-the-zurich-experience-and-review-of-the-literature
#6
Irene A Abela, Christian Murer, Macé M Schuurmans, Juergen W Schmitt, Frabci Muller, Frank Imkamp, Nicolas J Mueller, Christian Benden
Scedosporium species are fungal pathogens increasingly recognized in cystic fibrosis (CF). They can cause multiresistant, life-threatening infections that are of particular concern in CF patients undergoing lung transplantation, as optimal treatment remains unclear. Here, we describe our Zurich experience of CF patients with Scedosporium infection. Disseminated infection occurred in one patient after transplantation and was successfully treated. We propose a step-by-step approach to treat candidates with colonization, and discuss our cases in the context of the current literature...
October 17, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29031652/-scedosporium-apiospermum-skin-infection-mimicking-a-pyoderma-gangrenosum
#7
C Duretz, P Buchlin, A Huguenin, A Durlach, M Hentzien, S Mestrallet, D Lebrun
No abstract text is available yet for this article.
October 11, 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/29022198/gene-disruption-in-scedosporium-aurantiacum-proof-of-concept-with-the-disruption-of-sodc-gene-encoding-a-cytosolic-cu-zn-superoxide-dismutase
#8
Victoire Pateau, Bienvenue Razafimandimby, Patrick Vandeputte, Christopher R Thornton, Thomas Guillemette, Jean-Philippe Bouchara, Sandrine Giraud
Scedosporium species are opportunistic pathogens responsible for a large variety of infections in humans. An increasing occurrence was observed in patients with underlying conditions such as immunosuppression or cystic fibrosis. Indeed, the genus Scedosporium ranks the second among the filamentous fungi colonizing the respiratory tracts of the CF patients. To date, there is very scarce information on the pathogenic mechanisms, at least in part because of the limited genetic tools available. In the present study, we successfully developed an efficient transformation and targeted gene disruption approach on the species Scedosporium aurantiacum...
October 11, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28974395/scedosporium-boydii-cata1-and-sodc-recombinant-proteins-new-tools-for-serodiagnosis-of-scedosporium-infection-of-patients-with-cystic-fibrosis
#9
Sara Mina, Cindy Staerck, Agnès Marot, Charlotte Godon, Alphonse Calenda, Jean-Philippe Bouchara, Maxime J J Fleury
Scedosporium species rank the second among the filamentous fungi colonizing the airways of patients with cystic fibrosis (CF), after Aspergillus fumigatus. In CF, these fungi may cause various respiratory infections similar to those caused by A. fumigatus, including bronchitis and allergic broncho-pulmonary mycoses. Diagnosis of these infections relies on the detection of serum antibodies using crude antigenic extracts. However, many components of these extracts are common to Scedosporium and Aspergillus species, leading to cross-reactions...
August 26, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28966527/a-case-of-localized-cutaneous-infection-caused-by-scedosporium-apiospermum-presenting-as-cellulitis
#10
Soo Hyeon Noh, Ga Hye Na, Kun Park, Eun Jung Kim
No abstract text is available yet for this article.
October 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28963165/first-draft-genome-sequence-of-the-pathogenic-fungus-lomentospora-prolificans-formerly-scedosporium-prolificans
#11
Ruibang Luo, Aleksey Zimin, Rachael Workman, Yunfan Fan, Geo Pertea, Nina Grossman, Maggie P Wear, Bei Jia, Heather Miller, Arturo Casadevall, Winston Timp, Sean X Zhang, Steven L Salzberg
Here we describe the sequencing and assembly of the pathogenic fungus Lomentospora prolificans using a combination of short, highly accurate Illumina reads and additional coverage in very long Oxford Nanopore reads. The resulting assembly is highly contiguous, containing a total of 37,627,092 bp with over 98% of the sequence in just 26 scaffolds. Annotation identified 8896 protein-coding genes. Pulsed-field gel analysis suggests that this organism contains at least 7 and possibly 11 chromosomes, the two longest of which have sizes corresponding closely to the sizes of the longest scaffolds, at 6...
November 6, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28950832/orbital-apex-syndrome-secondary-to-a-fungal-nasal-septal-abscess-caused-by-scedosporium-apiospermum-in-a-patient-with-uncontrolled-diabetes-a-case-report
#12
Ippei Kishimoto, Shogo Shinohara, Tetsuhiro Ueda, Shoichi Tani, Hajime Yoshimura, Yukihiro Imai
BACKGROUND: Orbital apex syndrome is a localized type of orbital cellulitis, where mass lesions occur at the apex of the cranial nerves. Although nasal septal abscess is uncommon, the organism most likely to cause nasal septal abscess is Staphylococcus aureus, and fungal septal abscesses are rare. Here we present an extremely rare and serious case of orbital apex syndrome secondary to fungal nasal septal abscess caused by Scedosporium apiospermum in a patient with uncontrolled diabetes...
September 26, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28929280/ecology-of-scedosporium-species-present-knowledge-and-future-research
#13
A Rougeron, S Giraud, A Alastruey-Izquierdo, J Cano-Lira, J Rainer, A Mouhajir, S Le Gal, G Nevez, W Meyer, J P Bouchara
The genus Scedosporium, which comprises at least five clinically relevant species, i.e. Scedosporium apiospermum, Scedosporium boydii, Scedosporium aurantiacum, Scedosporium dehoogii and Scedosporium minutisporum, ranks the second among the filamentous fungi colonizing the airways of patients with cystic fibrosis (CF). This colonization of the airways is thought to contribute to the inflammatory reaction leading to a progressive deterioration of the lung function. Additionally, these colonizing fungi may lead to severe disseminated infections in case of lung transplantation...
September 19, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28919789/antifungal-resistance-current-trends-and-future-strategies-to-combat
#14
REVIEW
Nathan P Wiederhold
Antifungal resistance represents a major clinical challenge to clinicians responsible for treating invasive fungal infections due to the limited arsenal of systemically available antifungal agents. In addition current drugs may be limited by drug-drug interactions and serious adverse effects/toxicities that prevent their prolonged use or dosage escalation. Fluconazole resistance is of particular concern in non-Candida albicans species due to the increased incidence of infections caused by these species in different geographic locations worldwide and the elevated prevalence of resistance to this commonly used azole in many institutions...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/28912311/draft-genome-sequence-of-the-human-pathogenic-fungus-scedosporium-boydii
#15
Ludovic Duvaux, Jason Shiller, Patrick Vandeputte, Thomas Dugé de Bernonville, Christopher Thornton, Nicolas Papon, Bruno Le Cam, Jean-Philippe Bouchara, Amandine Gastebois
The opportunistic fungal pathogen Scedosporium boydii is the most common Scedosporium species in French patients with cystic fibrosis. Here we present the first genome report for S. boydii, providing a resource which may enable the elucidation of the pathogenic mechanisms in this species.
September 14, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28868050/biofilm-formation-by-pseudallescheria-scedosporium-species-a-comparative-study
#16
Rodrigo Rollin-Pinheiro, Jardel V de Meirelles, Taissa V M Vila, Beatriz B Fonseca, Vinicius Alves, Susana Frases, Sonia Rozental, Eliana Barreto-Bergter
Pseudallescheria/Scedosporium species are medically important fungi that are present in soil and human impacted areas and capable of causing a wide spectrum of diseases in humans. Although little is known about their pathogenesis, their growth process and infection routes are very similar to those of Aspergillus species, which grow as biofilms in invasive infections. All nine strains tested here displayed the ability to grow as biofilms in vitro and to produce a dense network of interconnected hyphae on both polystyrene and the surfaces of central venous catheters, but with different characteristics...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28864936/a-case-of-cutaneous-mycosis-caused-by-scedosporium-dehoogii-on-an-immunocompromised-patient
#17
Yuichi Sakata, Fumiaki Taga, Tsuyoshi Ushigami, Kiminobu Takeda, Kazushi Anzawa, Akiko Nishibu, Takashi Mochizuki
This report describes a 77-year-old man with cutaneous mycosis caused by Scedosporium dehoogii while taking oral betamethasone and tacrolimus for the treatment of rheumatoid arthritis. At examination in our clinic, the patient had multiple cystic lesions and nodules with slight tenderness, varying in size up to 4 cm, on his left knee and shin. He had not noticed any traumatic injury at the site of the lesions. Fungal cultures of samples taken from the abscesses, scales, and crusts of the lesions yielded white, later grayish brown, fluffy surfaced colonies...
September 1, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28864921/invasive-pulmonary-fungal-infections-in-cystic-fibrosis
#18
Carsten Schwarz, Claudia Brandt, Paul Whitaker, Sivagurunathan Sutharsan, Heino Skopnik, Silvia Gartner, Christina Smazny, Jobst F Röhmel
Invasive pulmonary mycosis is after allergic bronchopulmonary aspergillosis (ABPA) a frequent and severe complication of CF lung disease. Among CF caregivers, there is an insecurity when and how to treat infections of the lung parenchyma caused by different fungi in patients with CF. This case series provides a multicenter experience on diagnostic, manifestation, and treatment of non-ABPA cases of pulmonary. Non-ABPA cases of pulmonary mycoses in patients with CF have been collected from the CF Centers in Berlin, Essen, Worms, Frankfurt (Germany), Leeds (UK), and Barcelona (Spain)...
September 1, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28837349/amino-acid-directed-strategy-for-inducing-the-marine-derived-fungus-scedosporium-apiospermum-f41-1-to-maximize-alkaloid-diversity
#19
Li-Hong Huang, Meng-Yang Xu, Hou-Jin Li, Jin-Qian Li, Yan-Xiu Chen, Wen-Zhe Ma, Yi-Ping Li, Jun Xu, De-Po Yang, Wen-Jian Lan
By feeding various amino acids to the marine fungus Scedosporium apiospermum F41-1, 22 diverse alkaloids, including 14 new compounds, were obtained. Scedapins A-E (1-5) possess a rare skeleton of a pyrazinoquinazolinedione and an imidazoindolone/indolone linked by a tetrahydrofuran ring. Scedapin C (3) is the first example of fumiquinazoline that contains an aminosulfonyl group. Their structures were determined by HRMS, NMR, ECD calculations and X-ray single-crystal diffraction analysis. The biosynthetic pathways of fumiquinazolines 1-18 were proposed...
August 24, 2017: Organic Letters
https://www.readbyqxmd.com/read/28836110/effects-of-photodynamic-therapy-on-the-growth-and-antifungal-susceptibility-of-scedosporium-and-lomentospora-spp
#20
Qiaoyun Lu, Yi Sun, Dingdan Tian, Shoubao Xiang, Lujuan Gao
Scedosporium and Lomentospora species are the second most frequent colonizing, allergenic, or invasive fungal pathogens in patients with cystic fibrosis, and are responsible for infections varying from cutaneous and subcutaneous tissue infections caused by traumatic inoculation to severe systemic diseases in immunocompromised patients. The clinical relevance of fungal airway colonization for individual patients harboring Scedosporium and Lomentospora species is still an underestimated issue. The high resistance of Scedosporium and Lomentospora species to antifungal drugs has highlighted the need for alternative treatment modalities, and antimicrobial photodynamic therapy may be one such alternative...
December 2017: Mycopathologia
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