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Topical infections

Mohan P Joshi, Chifumbe Chintu, Mirfin Mpundu, Dan Kibuule, Oliver Hazemba, Tenaw Andualem, Martha Embrey, Bayobuya Phulu, Heran Gerba
The multi-faceted complexities of antimicrobial resistance (AMR) require consistent action, a multidisciplinary approach, and long-term political commitment. Building coalitions can amplify stakeholder efforts to carry out effective AMR prevention and control strategies. We have developed and implemented an approach to help local stakeholders kick-start the coalition-building process. The five-step process is to (1) mobilise support, (2) understand the local situation, (3) develop an action plan, (4) implement the plan, and (5) monitor and evaluate...
March 20, 2018: Global Public Health
Marlene Seegräber, Jerome Srour, Alexandra Walter, Macarena Knop, Andreas Wollenberg
Dupilumab is a new treatment option for patients with moderate-to-severe atopic dermatitis. It blocks IL-4/IL13-signaling and thereby inhibits receptor signaling downstream the JAK-STAT-pathway. Three of the main disease mechanisms of atopic dermatitis are affected by blocking this pathway; the decrease of skin barrier function, the class switch to IgE and the TH2-differentiation. Areas Covered: Dupilumab showed promising results in clinical trials of phase I-III. Clinical outcome parameters such as SCORAD, EASI, IGA and BSA improved with dupilumab...
March 20, 2018: Expert Review of Clinical Pharmacology
Matthew R Schmitz, Todd J Blumberg, Susan E Nelson, Julieanne P Sees, Wudbhav N Sankar
BACKGROUND: Developmental dysplasia of the hip (DDH), which encompasses a wide spectrum of disease from mild dysplasia to frank dislocation, is one of the most common developmental deformities of the lower extremities and one of the leading causes of future osteoarthritis and hip arthroplasty. Legg-Calvé-Perthes disease (LCPD) results from a vascular insult to the growing femoral epiphysis, which in turn can create permanent morphologic changes to the hip joint. Slipped capital femoral epiphysis (SCFE) occurs when the proximal femoral physis fails allowing the epiphysis to displace in relation to the metaphysis...
March 17, 2018: Journal of Pediatric Orthopedics
Shamir R Jacobino, Maaike Nederend, J Frederiek Reijneveld, Daan Augustijn, J H Marco Jansen, Jan Meeldijk, Karli R Reiding, Manfred Wuhrer, Frank E J Coenjaerts, C Erik Hack, Louis J Bont, Jeanette H W Leusen
Respiratory syncytial virus (RSV) infection is a leading cause of hospitalization and mortality in young children. Protective therapy options are limited. Currently, palivizumab, a monoclonal IgG1 antibody, is the only licensed drug for RSV prophylaxis, although other IgG antibody candidates are being evaluated. However, at the respiratory mucosa, IgA antibodies are most abundant and act as the first line of defense against invading pathogens. Therefore, it would be logical to explore the potential of recombinant human IgA antibodies to protect against viral respiratory infection, but very little research on the topic has been published...
March 19, 2018: MAbs
Sara L Revolinski, L Silvia Munoz-Price
New studies have been published regarding the epidemiology of Clostridium difficile in topics such as asymptomatic C. difficile colonization, community-associated C. difficile infection, environmental contamination outside healthcare settings, animal colonization, and the interactions between C. difficile and the gut microbiome. In addition to summarizing these findings, this review offers a perspective on the potential impact of high-throughput sequencing and other potential techniques on the prevention of C...
March 19, 2018: Infection Control and Hospital Epidemiology
Suzanne S Dunne, Merja Ahonen, Martina Modic, Francy Rl Crijns, Minna M Keinänen-Toivola, Ruth Meinke, C William Keevil, Jim Gray, Nuala H O'Connell, Colum P Dunne
Recognized issues with poor hand hygiene compliance among healthcare workers, and reports of re-contamination of previously chemically disinfected surfaces through hand contact, emphasize need for novel hygiene methods in addition to those currently available. One such approach involves antimicrobial (nano)-coatings (AMC), whereby integrated active ingredients are responsible for elimination of microorganisms that come into contact with treated surfaces. While widely studied under laboratory conditions with promising results, studies under real life healthcare conditions are scarce...
March 14, 2018: Journal of Hospital Infection
Siew Mei Samantha Ng, Jia Mao Yap, Qiu Ying Lau, Fui Mee Ng, Esther Hong Qian Ong, Timothy Barkham, Jeanette Woon Pei Teo, Mohammad Alfatah, Kiat Whye Kong, Shawn Hoon, Prakash Arumugam, Jeffrey Hill, Cheng San Brian Chia
Vulvovaginal candidiasis (VVC) is a genital fungal infection afflicting approximately 75% of women globally and is primarily caused by the yeast Candida albicans. The extensive use of fluconazole, the first-line antifungal drug of choice, has led to the emergence of fluconazole-resistant C. albicans, creating a global clinical concern. This, coupled to the lack of new antifungal drugs entering the market over the past decade, has made it imperative for the introduction of new antifungal drug classes. Peptides with antifungal properties are deemed potential drug candidates due to their rapid membrane-disrupting mechanism of action...
March 9, 2018: European Journal of Medicinal Chemistry
Amarateedha H Prak, Kristina M Dela Rosa
With skin lesions that have failed previous treatments, consideration for an atypical mycobacteria, specifically Mycobacterium marinum, infection should be suspected. Importance of the history cannot be stressed as this is a clue that the patient may have been inoculated and infected in the field environment. A marine with chronic right knee plaque for 3 yr that first appeared after a field exercise at The Basic School but worsened despite treatment with clindamycin, TMP-SMX, and incision and drainage in 2012...
March 14, 2018: Military Medicine
Bryan Markinson, Mahmoud Ghannoum, Tate Winter, Anthony Rycerz, Fernando Rock, Aditya K Gupta
Onychomycosis is a fungal infection of the nail primarily caused by the dermatophytes Trichophyton rubrum and Trichophyton mentagrophytes. The topical-based treatment of onychomycosis remains a challenge because of the difficulty associated with penetrating the dense, protective structure of the keratinized nail plate. Tavaborole is a novel small-molecule antifungal agent recently approved in the United States for the topical treatment of toenail onychomycosis. The low molecular weight, slight water solubility, and boron chemistry of tavaborole maximize nail penetration after topical application, allowing for effective targeting of the infection in the nail bed...
January 2018: Journal of the American Podiatric Medical Association
Raza Aly, Tate Winter, Steve Hall, Tracey Vlahovic
Dermatophytoma is a little-known, difficult to treat fungal infection that complicates onychomycosis. First described by Roberts and Evans in the late 1990's, dermatophytoma presents as a dense concentration of fungal hyphae within or under the nail plate and is generally white or yellow/brown in color, and linear (streaks) or round (patches) in shape; primary etiologic organisms are dermatophytes. Oral antifungals have limited success in treating dermatophytoma owing to difficulties accessing and penetrating what is hypothesized to be a fungal biofilm...
March 1, 2018: Journal of Drugs in Dermatology: JDD
Sam Hanna, Anneke Andriessen, Jennifer Beecker, Martin Gilbert, Eric Goldstein, Sunil Kalia, Aaron King, John Kraft, Carrie Lynde, Davindra Singh, Irina Turchin, Catherine Zip
BACKGROUND: Recently, experience and knowledge have been gained using effective topical treatment for onychomycosis, a difficult-to-treat infection. METHODS: This project aims to help understand and improve patient-focused quality of care for fungal nail infections. A panel of dermatologists who treat onychomycosis convened on several occasions to review and discuss recent learnings in the treatment of onychomycosis. The panel developed and conducted a survey on diagnosis, treatment and prevention, discussed the results, and provided recommendations...
March 1, 2018: Journal of Drugs in Dermatology: JDD
Wenting He, Shengfeng Hu, Xialin Du, Qian Wen, Xiao-Ping Zhong, Xinying Zhou, Chaoying Zhou, Wenjing Xiong, Yuchi Gao, Shimeng Zhang, Ruining Wang, Jiahui Yang, Li Ma
The mechanisms by which vitamins regulate immunity and their effect as an adjuvant treatment for tuberculosis have gradually become very important research topics. Studies have found that vitamin B5 (VB5) can promote epithelial cells to express inflammatory cytokines. We aimed to examine the proinflammatory and antibacterial effect of VB5 in macrophages infected with Mycobacterium tuberculosis (MTB) strain H37Rv and the therapeutic potential of VB5 in vivo with tuberculosis. We investigated the activation of inflammatory signal molecules (NF-κB, AKT, JNK, ERK, and p38), the expression of two primary inflammatory cytokines (tumor necrosis factor and interleukin-6) and the bacterial burdens in H37Rv-infected macrophages stimulated with VB5 to explore the effect of VB5 on the inflammatory and antibacterial responses of macrophages...
2018: Frontiers in Immunology
Ines Greco, Bernard D Hummel, Jaspreet Vasir, Jeffrey L Watts, Jason Koch, Johannes E Hansen, Hanne Mørck Nielsen, Peter Damborg, Paul R Hansen
Antimicrobial peptides (AMPs) hold promise as the next generation of antimicrobial agents, but often suffer from rapid degradation in vivo. Modifying AMPs with non-proteinogenic residues such as peptoids (oligomers of N -alkylglycines) provides the potential to improve stability. We have identified two novel peptoid-based compounds, B1 and D2 , which are effective against the canine skin pathogen Staphylococcus pseudintermedius , the main cause of antibiotic use in companion animals. We report on their potential to treat infections topically by characterizing their release from formulation and in vitro ADME properties...
March 10, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Andrea O Rossetti, Kaspar Schindler, Vincent Alvarez, Raoul Sutter, Jan Novy, Mauro Oddo, Loane Warpelin-Decrausaz, Stephan Rüegg
Continuous video-EEG is recommended for patients with altered consciousness; as compared to routine EEG (lasting <30 minutes), it improves seizure detection, but is time- and resource-consuming. Although North American centers increasingly implement continuous video-EEG, most other (including European) hospitals have insufficient resources. Only one study suggested that continuous video-EEG could improve outcome in adults, and a recent assessments challenge this view. This article reviews current evidence on the added value for continuous video-EEG in clinical terms and describes a design for a prospective study...
March 8, 2018: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
Tomas Strandin, Simon A Babayan, Kristian M Forbes
While urban expansion increasingly encroaches on natural habitats, many wildlife species capitalize on anthropogenic food resources, which have the potential to both positively and negatively influence their responses to infection. Here we examine how food availability and key nutrients have been reported to shape innate and adaptive immunity in wildlife by drawing from field-based studies, as well as captive and food restriction studies with wildlife species. Examples of food provisioning and key nutrients enhancing immune function were seen across the three study type distinctions, as were cases of trace metals and pharmaceuticals impairing the immunity of wildlife species...
May 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
Mahdi Abastabar, Abdullah M S Al-Hatmi, Mohammad Vafaei Moghaddam, G Sybren de Hoog, Iman Haghani, Seyed Reza Aghili, Tahereh Shokohi, Mohammad Taghi Hedayati, Roshanak Daie Ghazvini, Reza Kachuei, Ali Rezaei-Matehkolaei, Koichi Makimura, Jacques F Meis, Hamid Badali
A collection of clinical (n=47) and environmental (n=79) Fusarium isolates were tested against 10 antifungal drugs, including two novel imidazoles. Luliconazole and lanoconazole demonstrated very low GM MIC values of 0.005 μg/ml and 0.013 μg/ml, respectively, in comparison with 0.51 μg/ml for micafungin, 0.85 μg/ml for efinaconazole, 1.12 μg/ml for natamycin, 1.18 μg/ml for anidulafungin, 1.31 μg/ml for voriconazole, 1.35 μg/ml for caspofungin, 1.9 μg/ml for amphotericin B and 4.08 μg/ml for itraconazole...
March 12, 2018: Antimicrobial Agents and Chemotherapy
Yasmin A Williams, Lucy S Tusting, Sophia Hocini, Patricia M Graves, Gerry F Killeen, Immo Kleinschmidt, Fredros O Okumu, Richard G A Feachem, Allison Tatarsky, Roly D Gosling
BACKGROUND: Additional vector control tools (VCTs) are needed to supplement insecticide-treated nets (ITNs) and indoor residual spraying (IRS) to achieve malaria elimination in many settings. To identify options for expanding the malaria vector control toolbox, we conducted a systematic review of the availability and quality of the evidence for 21 malaria VCTs, excluding ITNs and IRS. METHODS: Six electronic databases and grey literature sources were searched from January 1, 1980 to September 28, 2015 to identify systematic reviews, Phase I-IV studies, and observational studies that measured the effect of malaria VCTs on epidemiological or entomological outcomes across any age groups in all malaria-endemic settings...
2018: Advances in Parasitology
Wolfgang Miehsler, Clemens Dejaco, Hans-Peter Gröchenig, Harry Fuchssteiner, Christoph Högenauer, Lili Kazemi-Shirazi, Harald Maier, Andreas Mayer, Alexander Moschen, Walter Reinisch, Wolfgang Petritsch, Reingard Platzer, Pius Steiner, Herbert Tilg, Harald Vogelsang, Heimo Wenzl, Gottfried Novacek
Anti-TNFα-antibodies have revolutionized the therapy of inflammatory bowel diseases and other immune-mediated inflammatory diseases. Due to the increasing application of these substances, the Working Group of Inflammatory Bowel Diseases of the Austrian Association of Gastroenterology and Hepatology intended to update their consensus report on the safe use of Infliximab (published in 2010) and to enlarge its scope to cover all anti-TNFα-antibodies. The present consensus report summarizes the current evidence on the safe use of anti-TNFα-antibodies and covers the following topics: general risk of infection, bacterial infections (i...
March 2018: Zeitschrift Für Gastroenterologie
Kanika Thakur, Gajanand Sharma, Bhupinder Singh, Ashay Jain, Rajeev Tyagi, Sanjay Chhibber, Om P Katare
AIM: The aim of the current study was to investigate the therapeutic efficacy of cationic-charged bilayered nanoemulsion for topical delivery of fusidic acid in eradicating methicillin-resistant Staphylococcus aureus (MRSA) bacterial burn wound infection. MATERIALS & METHODS: The developed carriers were characterized for particle size, antibacterial activity, cell viability assay in HaCat cell lines, rheological profile, ex vivo and in vivo studies, namely, full thickness MRSA 33591 murine burn wound infection via topical route...
March 12, 2018: Nanomedicine
Michela Lizier, Alessandra Castelli, Cristina Montagna, Franco Lucchini, Paolo Vezzoni, Francesca Faggioli
There is wide agreement that cell fusion is a physiological process in cells in mammalian bone, muscle and placenta. In other organs, such as the cerebellum, cell fusion is controversial. The liver contains a considerable number of polyploid cells: They are commonly believed to originate by genome endoreplication, although the contribution of cell fusion to polyploidization has not been excluded. Here, we address the topic of cell fusion in the liver from a historical point of view. We discuss experimental evidence clearly supporting the hypothesis that cell fusion occurs in the liver, specifically when bone marrow cells were injected into mice and shown to rescue genetic hepatic degenerative defects...
February 27, 2018: World Journal of Hepatology
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