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https://www.readbyqxmd.com/read/28526017/the-effect-of-hypoxia-on-the-lipidome-of-recombinant-pichia-pastoris
#1
Núria Adelantado, Pablo Tarazona, Karlheinz Grillitsch, Xavier García-Ortega, Sergi Monforte, Francisco Valero, Ivo Feussner, Günther Daum, Pau Ferrer
BACKGROUND: Cultivation of recombinant Pichia pastoris (Komagataella sp.) under hypoxic conditions has a strong positive effect on specific productivity when the glycolytic GAP promoter is used for recombinant protein expression, mainly due to upregulation of glycolytic conditions. In addition, transcriptomic analyses of hypoxic P. pastoris pointed out important regulation of lipid metabolism and unfolded protein response (UPR). Notably, UPR that plays a role in the regulation of lipid metabolism, amino acid metabolism and protein secretion, was found to be upregulated under hypoxia...
May 19, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/28524381/antifungal-activity-of-gallic-acid-in-vitro-and-in-vivo
#2
Zhi-Jian Li, Meng Liu, Gulina Dawuti, Qin Dou, Yu Ma, Heng-Ge Liu, Silafu Aibai
Gallic acid (GA) is a polyphenol natural compound found in many medicinal plant species, including pomegranate rind (Punica granatum L.), and has been shown to have antiinflammatory and antibacterial properties. Pomegranate rind is used to treat bacterial and fungal pathogens in Uyghur and other systems of traditional medicine, but, surprisingly, the effects of GA on antifungal activity have not yet been reported. In this study, we aimed to investigate the inhibitory effects of GA on fungal strains both in vitro and in vivo...
May 19, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28515716/antifungal-activity-of-the-biphosphinic-cyclopalladate-c7a-against-candida-albicans-yeast-forms-in-vitro-and-in-vivo
#3
Julian E Muñoz, Diego C P Rossi, Kelly Ishida, Cristina C Spadari, Marcia S C Melhem, Daniel M Garcia, Antonio C F Caires, Carlos P Taborda, Elaine G Rodrigues
Vulvovaginal and invasive candidiasis are frequent conditions in immunosuppressed individuals caused by Candida albicans and non-albicans Candida spp. Fluconazole and Amphotericin B are the main drugs used to fight the infection. However, resistance to fluconazole and other azole antifungal drugs is an important clinical problem that encourages the search for new therapeutic alternatives. In this work, we evaluate the antifungal activity of the biphosphinic cyclopalladate C7a in the in vitro and in vivo model...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28513812/common-dermatophytes-and-in-vitro-anti-fungal-susceptibility-testing-in-patients-attending-the-dermatological-clinic-at-the-hospital-for-tropical-medicine-bangkok
#4
Watcharamat Muangkaew, Thanwa Wongsuk, Natthanej Luplertlop
Dermatophytes comprising the genera Trichophyton, Microsporum, and Epidermophyton are important causes of superficial mycoses. The number of infected patients and the distribution of species of these organisms in our hospital were unknown. We therefore aimed to investigate the clinical pattern of dermatophyte infections and to identify the species of these dermatophytes at the Dermatological Clinic of the Hospital for Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok in a 1-year period...
May 17, 2017: New Microbiologica
https://www.readbyqxmd.com/read/28513771/species-distribution-and-antifungal-susceptibility-patterns-of-candida-isolates-from-a-public-tertiary-teaching-hospital-in-the-eastern-cape-province-south-africa
#5
P Mnge, B I Okeleye, S D Vasaikar, T Apalata
Candida species are the leading cause of invasive fungal infections, and over the past decade there has been an increased isolation of drug resistant Candida species. This study aimed to identify the species distribution of Candida isolates and to determine their unique antifungal susceptibility and resistance patterns. During a cross-sectional study, 209 Candida isolates (recovered from 206 clinical samples) were collected and their species distribution was determined using ChromAgar Candida. The Vitek-2 system (Biomerieux, South Africa) was used to determine minimum inhibitory concentrations (MICs) to azoles (fluconazole, voriconazole), echinocandins (caspofungin, micafungin), polyenes (amphotericin B) and flucytosine...
May 15, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28511380/fungal-profile-of-vulvovaginal-candidiasis-in-a-tertiary-care-hospital
#6
Krishnapriya Kalaiarasan, Rakesh Singh, Latha Chaturvedula
INTRODUCTION: Vulvovaginal Candidiasis (VVC) is a common medical health problem of adult women. It is most commonly caused by Candida albicans. But there is a change in fungal profile. Sabouraud's Dextrose Agar (SDA) is the most common culture medium used where mixed fungal infection may be missed. It can be detected easily by using chromogenic culture medium. AIM: To know the fungal profile of vulvovaginal candidiasis using Candida CHROMagar and antifungal susceptibility pattern in patients attending tertiary care hospital...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28508692/seifem-2010-e-economic-evaluation-of-posaconazole-for-antifungal-prophylaxis-in-patients-with-acute-myeloid-leukemia-receiving-induction-chemotherapy
#7
Alessandro Busca, Federica Lessi, Luisa Verga, Anna Candoni, Chiara Cattaneo, Simone Cesaro, Giulia Dragonetti, Mario Delia, Alessio De Luca, Gaspare Guglielmi, Mario Tumbarello, Giordana Martino, Gianpaolo Nadali, Rosa Fanci, Marco Picardi, Leonardo Potenza, Annamaria Nosari, Franco Aversa, Livio Pagano
Posaconazole demonstrated clinical superiority over fluconazole and itraconazole for prophylaxis of mold infections, although concerns exist regarding the high acquisition cost for posaconazole. In this respect, we sought to analyze the costs of antifungal prophylaxis in patients with acute myeloid leukemia (AML) who received prophylactic posaconazole (n = 510, 58%), itraconazole (n = 120, 14%) or fluconazole (n = 175, 20%) during induction chemotherapy. The estimated cost of antifungal prophylaxis as well as the costs of subsequent systemic antifungal therapy for treatening an invasive fungal infections (IFI) was higher in the posaconazole group compared to itraconazole and fluconazole groups...
May 16, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28507352/candidiasis-prevalence-and-resistance-profiling-in-a-tertiary-care-hospital-of-pakistan
#8
Bushra Jamil, Mohammad Tauseef Mukhtar Bokhari, Azhar Saeed, Mohammad Zahid Mukhtar Bokhari, Zakir Hussain, Tayyaba Khalid, Habib Bokhari, Mohammad Imran, Shahid Ahmad Abbasi
OBJECTIVE: To determine Candida colonisation/infection in renal transplant patients and to determine the resistance pattern against antifungal drugs. METHODS: This prospective, observational study was conducted at Al-Sayyed Hospital, Rawalpindi, Pakistan, from January to October 2014, in collaboration with the Microbiology and Public Health Laboratory's, Islamabad campus..The clinical specimens investigated included respiratory tract secretions, blood, urine, high vaginal swab, skin scrapings, and plastic devices samples...
May 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28506251/diversity-in-vitro-virulence-traits-and-antifungal-susceptibility-pattern-of-gastrointestinal-yeast-flora-of-healthy-poultry-gallus-gallus-domesticus
#9
Supram Hosuru Subramanya, Nawal Kishor Sharan, Bharat Prasad Baral, Deependra Hamal, Niranjan Nayak, Peralam Yegneswaran Prakash, Brijesh Sathian, Indira Bairy, Shishir Gokhale
BACKGROUND: Poultry farming and consumption of poultry (Gallus gallus domesticus) meat and eggs are common gastronomical practices worldwide. Till now, a detailed understanding about the gut colonisation of Gallus gallus domesticus by yeasts and their virulence properties and drug resistance patterns in available literature remain sparse. This study was undertaken to explore this prevalent issue. RESULTS: A total of 103 specimens of fresh droppings of broiler chickens (commercial G domesticus) and domesticated chickens (domesticated G domesticus) were collected from the breeding sites...
May 15, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28504057/molecular-dynamic-modeling-of-cyp51b-in-complex-with-azole-inhibitors
#10
Pan Gao, Yinglu Cui, Rongling Wu
Cytochrome P450 14α-sterol demethylase (CYP51), the key enzyme in sterol biosynthesis pathway, is an important target protein of cholesterol-lowering agents, antifungal drugs and herbicides. CYP51B enzyme is one of the CYP51 family members. In the present study, we have chosen four representative inhibitors of CYP51B: diniconazole(Din), fluconazole(Flu), tebuconazole(Teb), voriconazole(Vor) and launched to investigate the binding features of CYP51B-inhibitor and gating characteristics via molecular docking and molecular dynamics(MD) simulations...
May 13, 2017: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/28503064/combined-intrastromal-injection-of-amphotericin-b-and-topical-fluconazole-in-the-treatment-of-resistant-cases-of-keratomycosis-a-retrospective-study
#11
Waled Mahdy Nada, Mahmoud A Al Aswad, Wael M El-Haig
PURPOSE: To evaluate the efficacy of combination therapy of a single intrastromal injection of amphotericin B and topical fluconazole in resistant cases of fungal keratitis, and also topical amphotericin B as monotherapy in terms of the duration of the recovery period and toxic drug effects. METHODS: This retrospective 2-year study reviewed 68 cases of unilateral fungal keratitis diagnosed by clinical features and positive laboratory culture results. Forty-one cases were resistant and did not respond to monotherapy with an antifungal agent...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28501465/candiduria-evidence-based-approach-to-management-are-we-there-yet
#12
REVIEW
W A Alfouzan, R Dhar
Candiduria is considered one of the most controversial issues in patient management. Neither the diagnosis nor the optimal treatment options are standardized. This is further complicated by lack of defined laboratory criteria for diagnosis as most of the studies were set for bacterial rather than fungal urinary tract infection (UTI). Furthermore, since Candida species is a known commensal of the genitourinary tract its presence in the urine sample adds ambiguity to making a definitive diagnosis of candidal UTI...
May 10, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28499959/impact-of-initial-empirical-antifungal-agents-on-the-outcome-of-critically-ill-patients-with-invasive-candidiasis-analysis-of-the-china-scan-study
#13
Na Cui, Hao Wang, Haibo Qiu, Ruoyu Li, Dawei Liu
The effect of different empirical antifungal agents on the clinical outcome of critically ill patients with invasive candidiasis (IC) has not been fully elucidated. In this study, 136 patients with proven IC who received empirical therapy in the China-SCAN multicentre study were retrospectively analysed. Initial empirical antifungal monotherapy consisted of a triazole [fluconazole (n = 61), voriconazole (n = 20) or itraconazole (n = 12)] or an echinocandin (n = 43). Hospital mortality as the primary outcome and global responses (clinical and microbiological) were assessed...
May 9, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28499407/early-neurosyphilis-presenting-with-facial-palsy-and-an-oral-ulcer-in-a-patient-who-is-human-immunodeficiency-virus-positive-a-case-report
#14
Evangeline Njiru, Jamil Abdulkadir, Zipporah Kamuren, Gabriel Kigen
BACKGROUND: Neurosyphilis is the tertiary stage of Treponema pallidum infection that involves the central nervous system, which occurs within days or weeks after an initial syphilis infection, especially in immunocompromised patients. The diagnosis of neurosyphilis is quite challenging as it is uncommon and often presents with obscure symptoms since any organ system may be involved. CASE PRESENTATION: We describe a case of a 40-year-old African man who is human immunodeficiency virus positive with early neurosyphilis who presented with a stiff neck, headache, confusion, restlessness, and a left-sided chest pain; he did not respond to an empiric treatment of ceftriaxone and fluconazole for meningitis, and tramadol for headache...
May 13, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28498297/gastrointestinal-colonization-of-candida-albicans-increases-serum-1%C3%A2-3-%C3%AE-d-glucan-without-candidemia-and-worsens-cecal-ligation-and-puncture-sepsis-in-murine-model
#15
Wimonrat Panpetch, Naraporn Somboonna, Dewi Embong Bulan, Jiraphorn Issara-Amphorn, Navaporn Worasilchai, Malcolm Finkelman, Ariya Chindamporn, Tanapat Palaga, Somying Tumwasorn, Asada Leelahavanichkul
The role of intestinal Candida albicans in bacterial sepsis, in the absence of candidemia, was investigated in murine models. Live C. albicans or normal saline solution (NSS) was administered orally once, followed by 5 days of daily oral antibiotic-mixtures (ATB). Cecal ligation and puncture (CLP) was then performed to induce sepsis.Fecal Candida was detected by culture only in models with Candida administration. Oral Candida administration with/without ATB enhanced gut-pathogenic bacteria as determined by microbiome analysis...
May 11, 2017: Shock
https://www.readbyqxmd.com/read/28493896/candidemia-in-the-elderly-what-does-it-change
#16
Francesco Barchiesi, Elena Orsetti, Sara Mazzanti, Francesca Trave, Aldo Salvi, Cinzia Nitti, Esther Manso
BACKGROUND: Candidemia is a life-threatening fungal infection and it can affect patients of all ages. Characterization of candidemia in the elderly is lacking. METHODS: We performed a retrospective study of adults (≥ 18 years) with candidemia diagnosed in our center in 2010-2015. Demographics, comorbidities, clinical and microbiologic characteristics, antifungal treatment and outcome were compared between older (≤65 years) and younger (>65 years) patients...
2017: PloS One
https://www.readbyqxmd.com/read/28493889/characterization-of-a-novel-antibiofilm-effect-of-nitric-oxide-releasing-aspirin-ncx-4040-on-candida-albicans-isolates-from-denture-stomatitis-patients
#17
Francisco Madariaga-Venegas, Roberto Fernández-Soto, Luisa Fernanda Duarte, Nicole Suarez, Daniela Delgadillo, José A Jara, Ricardo Fernández-Ramires, Blanca Urzúa, Alfredo Molina-Berríos
Candida albicans biofilms play a key role in denture stomatitis, one of the most common oral pathologies in elderly people. Because biofilms are highly resistant to antifungals, new pharmacological strategies are needed. Aspirin and nitric oxide-donor molecules have both shown antibiofilm effects on C. albicans, making them promising candidates for treatment. In this study, we evaluated the antifungal/antibiofilm effect of a nitric-oxide releasing aspirin (NO-ASA) on C. albicans isolates from denture stomatitis patients in vitro...
2017: PloS One
https://www.readbyqxmd.com/read/28493006/activity-of-combined-antifungal-agents-against-multidrug-resistant-candida-glabrata-strains
#18
Laura Bedin Denardi, Jéssica Tairine Keller, Vanessa Oliveira, Débora Alves Nunes Mario, Janio Morais Santurio, Sydney Hartz Alves
In this study, we evaluated the in vitro activity of echinocandins, azoles, and amphotericin B alone and in combination against echinocandin/azole-sensitive and echinocandin/azole-resistant Candida glabrata isolates. Susceptibility tests were performed using the broth microdilution method in accordance with the Clinical and Laboratory Standards Institute document M27-A3. The checkerboard method was used to evaluate the fractional inhibitory concentration index of the interactions. Cross-resistance was observed among echinocandins; 15% of the isolates resistant to caspofungin were also resistant to anidulafungin and micafungin...
May 10, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28491253/isolation-molecular-identification-and-antifungal-susceptibility-profiles-of-vaginal-isolates-of-candida-species
#19
Ali Rezaei-Matehkolaei, Shokoofe Shafiei, Ali Zarei-Mahmoudabadi
BACKGROUND AND OBJECTIVES: Vulvovaginal candidiasis is a common fungal infection among women during reproductive ages. Although, Candida albicans is accounted as the main etiologic agent of vaginitis, non-albicans species have arisen during last years. Resistant to antifungal drugs especially, fluconazole has been more reported by researchers from around the World. The aims of this study were to determine the prevalence of vulvovaginal candidiasis among suspected patients with vaginitis, the frequency of Candida species, and the susceptibility profiles of isolates to caspofungin, fluconazole and clotrimazole...
December 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28491252/inhibitory-effects-of-carvacrol-on-the-expression-of-secreted-aspartyl-proteinases-1-3-in-fluconazole-resistant-candida-albicans-isolates
#20
Seyedeh Sedigheh Hosseini, Mohammad Hossein Yadegari, Masoumeh Rajabibazl, Ezzat Allah Ghaemi
BACKGROUND AND OBJECTIVES: Secreted Aspartyl Proteinase (SAP) is one of the main virulence factors in the pathogenesis of Candida. This enzyme is encoded by a family of at least ten genes. Among these genes, the role of SAP1-3 in mucosal infections is evident. This study aimed to investigate the expression of SAP1-3 genes of Candida albicans isolates after treatment with Echinophora platyloba extract, carvacrol and caspofungin drug. MATERIALS AND METHODS: Vaginal samples of 68 women with suspected vaginitis were obtained and cultured...
December 2016: Iranian Journal of Microbiology
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