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https://www.readbyqxmd.com/read/28634536/telavancin-a-novel-semisynthetic-lipoglycopeptide-agent-to-counter-the-challenge-of-resistant-gram-positive-pathogens
#1
REVIEW
Biswadeep Das, Chayna Sarkar, Debasmita Das, Amit Gupta, Arnav Kalra, Shubham Sahni
Telavancin (TD-6424), a semisynthetic lipoglycopeptide vancomycin-derivative, is a novel antimicrobial agent developed by Theravance for overcoming resistant Gram-positive bacterial infections, specifically methicillin-resistant Staphylococcus aureus (MRSA). The US Food and Drug Administration (USFDA) had approved telavancin in 2009 for the treatment of complicated skin and skin structure infections (cSSSIs) caused by Gram-positive bacteria, including MRSA (S. aureus, Streptococcus agalactiae, Streptococcus pyogenes, Streptococcus anginosus group, or Enterococcus faecalis)...
March 2017: Therapeutic Advances in Infectious Disease
https://www.readbyqxmd.com/read/28626746/frequency-of-cutaneous-fungal-infections-and-azole-resistance-of-the-isolates-in-patients-with-diabetes-mellitus
#2
Omid Raiesi, Mansour Siavash, Faezeh Mohammadi, Javaher Chabavizadeh, Behzad Mahaki, Mehrnoush Maherolnaghsh, Parvin Dehghan
BACKGROUND: Diabetic patients are more susceptible to cutaneous fungal infections. The higher blood sugar levels cause increasing the cutaneous fungal infections in these patients. The main objective of this study was to find the frequency of fungal infections among cutaneous lesions of diabetic patients and to investigate azole antifungal agent susceptibility of the isolates. MATERIALS AND METHODS: In this study, type 1diabetes (n = 78) and type 2 diabetes (n = 44) comprised 47 cases (38...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28614189/a-dose-response-study-of-topical-allyl-isothiocyanate-mustard-oil-as-human-surrogate-model-of-pain-hyperalgesia-and-neurogenic-inflammation
#3
H H Andersen, S Lo Vecchio, P Gazerani, L Arendt-Nielsen
Despite being a ubiquitous animal pain model, the natural TRPA1-agonist allyl-isothiocyanate (AITC, also known as "mustard oil") has only been sparsely investigated as a potential human surrogate model of pain, sensitization, and neurogenic inflammation. Its dose-response as an algogenic, sensitizing irritant remains to be elucidated in human skin. Three concentrations of AITC (10%, 50%, 90%) and vehicle (paraffin) were applied for 5 min to 3x3 cm areas on the volar forearms in 14 healthy volunteers, and evoked pain intensity (visual analog scale 0-100 mm) and pain quality were assessed...
June 9, 2017: Pain
https://www.readbyqxmd.com/read/28611925/prevalence-and-correlates-of-intestinal-parasites-among-patients-admitted-to-mirembe-national-mental-health-hospital-dodoma-tanzania
#4
Azan A Nyundo, David Z Munisi, Ainory P Gesase
BACKGROUND: Neglected tropical diseases continue to be one of the leading causes of morbidity and mortality in the developing world. Psychiatric patients are among groups at risk for parasitic infection although control and monitoring programs largely overlook this population. This study aimed at determining prevalence and factors associated with intestinal parasitic infection among patients admitted to a psychiatric facility. METHOD: The study followed cross-sectional design; all the residing patients that met the inclusion criteria were included in the survey...
2017: Journal of Parasitology Research
https://www.readbyqxmd.com/read/28609838/hepatoprotective-mechanism-of-lygodium-microphyllum-cav-r-br-through-ultrastructural-signaling-prevention-against-carbon-tetrachloride-ccl4-mediated-oxidative-stress
#5
Charles Gnanaraj, Muhammad Dawood Shah, Tan Tek Song, Mohammad Iqbal
Plants have been consumed in medicinal practices for centuries. Lygodium microphyllum (Cav.) R.Br. (Lygodiaceae), also known as Old World Climbing Fern, is a medicinal plant used by local communities in Sabah for skin and dysentery ailments. This study aims to test aqueous extract of L. microphyllum leaves for hepatoprotective and immunosuppressive activity in rats. Animal studies were carried out to evaluate hepatoprotection of aqueous extract of L. microphyllum at different doses (200, 400 and 600mg/kg b...
June 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28602647/state-marker-properties-of-niacin-skin-sensitivity-in-ultra-high-risk-groups-for-psychosis-an-optical-reflection-spectroscopy-study
#6
Kerstin Langbein, Ulrike Schmidt, Stephan Schack, Natalie J Biesel, Maria Rudzok, G Paul Amminger, Maximus Berger, Heinrich Sauer, Stefan Smesny
Impaired niacin sensitivity (NS) is one of the most replicated findings in untreated schizophrenia, and reflects a disturbance of prostaglandin-mediated pathways in association with deregulated arachidonic acid metabolism, pro-inflammatory activation, and vasomotor function. In ultra-high risk individuals (UHR) increased NS was reported recently, pointing towards dynamic alterations of the underlying pathomechanisms in the period preceding psychosis. However, these characteristics are still unresolved in the diverse UHR groups...
June 8, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28601354/studies-on-wound-healing-potential-of-polyherbal-formulation-using-in%C3%A2-vitro-and-in%C3%A2-vivo-assays
#7
Yogesh P Talekar, Kishori G Apte, Shubhangi V Paygude, Prasad R Tondare, Pradeep B Parab
BACKGROUND: The use of herbal plant extracts in wound healing is known through decades, but it is necessary to provide scientific data through reverse pharmacology. OBJECTIVE: The aim of the present study is to find the mechanism behind the healing of wounds using in vitro and in vivo assays. METHODS AND MATERIAL: The study was designed to determine proliferation and mobilization of fibroblast and keratinocytes at the site of injury, angiogenesis at the site of healing and reduction in oxidative stress while healing...
June 7, 2017: Journal of Ayurveda and Integrative Medicine
https://www.readbyqxmd.com/read/28594356/synergistic-antibacterial-effects-of-chitosan-caffeic-acid-conjugate-against-antibiotic-resistant-acne-related-bacteria
#8
Ji-Hoon Kim, Daeung Yu, Sung-Hwan Eom, Song-Hee Kim, Junghwan Oh, Won-Kyo Jung, Young-Mog Kim
The object of this study was to discover an alternative therapeutic agent with fewer side effects against acne vulgaris, one of the most common skin diseases. Acne vulgaris is often associated with acne-related bacteria such as Propionibacteriumacnes, Staphylococcusepidermidis, Staphylococcusaureus, and Pseudomonasaeruginosa. Some of these bacteria exhibit a resistance against commercial antibiotics that have been used in the treatment of acne vulgaris (tetracycline, erythromycin, and lincomycin). In the current study, we tested in vitro antibacterial effect of chitosan-phytochemical conjugates on acne-related bacteria...
June 8, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28593388/different-clinical-effect-of-several-types-of-airborne-allergens-on-the-severity-of-bronchial-hyperreactivity
#9
Slavomír Perečinský, Marek Varga, Jozefína Petrovičová, Ondrej Ragač, Katarína Perečinská, Andrea Jančová, Lenka Murínová, Tomáš Bačinský, L'ubomír Legáth
BACKGROUND: Atopic sensitization belongs to the most common risk factors for bronchial asthma. However, in clinical practice, it is not clear whether sensitization against pollen and perennial allergens is differently associated with the severity of bronchial hyperresponsiveness (BHR). AIM: To find out whether patients sensitized to perennial allergens differ in severity of bronchial hyperresponsiveness from patients sensitized to pollen allergens. METHODS: The study includes 109 patients...
June 7, 2017: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/28592459/the-effects-of-10-days-of-separate-heat-and-hypoxic-exposure-on-heat-acclimation-and-temperate-exercise-performance
#10
Rebecca A Neal, Jamie Prout, Joseph Costello, Heather C Massey, Michael J Tipton, John S Young, Jo Corbett
Adaptations to heat and hypoxia are typically studied in isolation, but are often encountered in combination. Whether the adaptive response to multiple stressors affords the same response as when examined in isolation is unclear. We examined: i) the influence of overnight moderate normobaric hypoxia on the time course and magnitude of adaption to daily heat exposure; ii) whether heat acclimation (HA) was ergogenic and if this was influenced by an additional hypoxic-stimulus. Eight males (V̇O2max=58.5[8.3] mL·kg(-1)·min(-1)) undertook two 11-day HA programmes (balanced-crossover design), once with overnight normobaric hypoxia (8[1] h per night; 10 nights; FIO2=0...
June 7, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28585001/testing-antifungal-vaccines-in-an-animal-model-of-invasive-candidiasis-and-in-human-mucosal-candidiasis
#11
Esther Segal
The following article will concentrate on the NDV-3 anti-Candida and Staphylococcus vaccine. The vaccine is composed of the N-terminal portion of the Candida albicans agglutinin-like sequence 3 protein (Als3p) and aluminum hydroxide as adjuvant. The vaccine conferred protection to mice against experimental vaginal, oral, and intravenous challenge with C. albicans. Due to the sequence and structural homology of the Als3p with Staphylococcus aureus surface proteins, the vaccine also protected against experimental skin and IV infection with S...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28583316/formulation-development-and-evaluation-of-antimicrobial-polyherbal-gel
#12
S D Bhinge, M A Bhutkar, D S Randive, G H Wadkar, S S Todkar, P M Kakade, P M Kadam
OBJECTIVE: In the recent years, there has been a gradual revival of interest in the use of medicinal plants in developing countries because herbal medicines have been reported safe with minimal adverse side effect especially when compared with synthetic drugs. METHOD: In the present study we prepared gel formulations (formulations A and B) which comprised of ethanolic extract of Azadirachta indica, Curcuma longa, Allium sativum, Ocimum sactum, Cinnamomum zeylanicum nees and Tamarindus indica in a concentration of 0...
June 2, 2017: Annales Pharmaceutiques Françaises
https://www.readbyqxmd.com/read/28581826/gold-nanoparticles-capped-with-benzalkonium-chloride-and-poly-ethylene-imine-for-enhanced-loading-and-skin-permeability-of-5-fluorouracil
#13
Mohamed A Safwat, Ghareb M Soliman, Douaa Sayed, Mohamed A Attia
OBJECTIVE: To enhance 5-fluorouracil (5-FU) permeability through the skin by loading onto gold nanoparticles (GNPs) capped with two cationic ligands, benzalkonium chloride (BC) or poly (ethylene imine) (PEI). Whereas 5-FU has excellent efficacy against many cancers, its poor permeability through biological membranes and several adverse effects limit its clinical benefits. BC and PEI were selected to stabilize GNPs and to load 5-FU through ionic interactions. METHODS: 5-FU/BC-GNPs and 5-FU/PEI-GNPs were prepared at different 5-FU/ligand molar ratios and different pH values and were evaluated using different techniques...
June 21, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28577900/a-novel-prophylaxis-with-c1-inhibitor-concentrate-in-hereditary-angioedema-during-erythema-marginatum
#14
Kinga Viktória Kőhalmi, Nóra Veszeli, László Cervenak, Lilian Varga, Henriette Farkas
BACKGROUND: Hereditary angioedema with C1-inhibitor deficiency (C1-INH-HAE) is a rare, autosomal dominant disorder. The characteristic episodes of subcutaneous/submucosal edema formation may be preceded by erythema marginatum (EM) - the occurrence of a 'map-like' pattern on the skin. EM can occur as an isolated finding or accompanying a hereditary angiooedema (HAE) attack as well. Nevertheless, it is unknown whether a HAE attack can be prevented by the proper prophylactic treatment during EM...
May 31, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28577541/phytomedical-assessment-of-two-cymbopogon-species-found-in-nkonkobe-municipality-toxicological-effect-on-human-chang-liver-cell-line
#15
Voster Muchenje, Beauty E Omoruyi
BACKGROUND: Cymbopogon species are widely used as herbal remedies by the traditional healers living in Nkonkobe Municipality for the treatment and management of skin and respiratory infections. According to our survey, the plants seem to be very important because of the higher demands. METHODS: The leaves of C. validis and C. plurinodis were hydro-distilled and the resulted extracted oils were analyzed by GC/MS. Minimum inhibitory concentrations (MICs) ranging from 7...
June 2, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28566124/melatonin-for-prevention-of-erythema-and-oxidative-stress-in-response-to-ultraviolet-radiation
#16
Cecilie Scheuer
Skin damage induced by UVR is an escalating problem in dermatology, and increasing incidence of skin cancer, especially for non-melanoma skin cancer, has been reported worldwide. UVR from sun exposure and the production of reactive oxygen species (ROS) is known to be a pivotal factor in the aetiology of skin cancer. The pineal hormone melatonin is recognized as the most potent endogenous antioxidant. Melatonin conducts its antioxidant effects acting directly as a radical scavenger and indirectly by up regulation of antioxidant enzymes...
June 2017: Danish Medical Journal
https://www.readbyqxmd.com/read/28559565/anti-aging-potentials-of-methylene-blue-for-human-skin-longevity
#17
Zheng-Mei Xiong, Mike O'Donovan, Linlin Sun, Ji Young Choi, Margaret Ren, Kan Cao
Oxidative stress is the major cause of skin aging that includes wrinkles, pigmentation, and weakened wound healing ability. Application of antioxidants in skin care is well accepted as an effective approach to delay the skin aging process. Methylene blue (MB), a traditional mitochondrial-targeting antioxidant, showed a potent ROS scavenging efficacy in cultured human skin fibroblasts derived from healthy donors and from patients with progeria, a genetic premature aging disease. In comparison with other widely used general and mitochondrial-targeting antioxidants, we found that MB was more effective in stimulating skin fibroblast proliferation and delaying cellular senescence...
May 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28559266/an-immunomodulatory-peptide-that-confers-protection-in-an-experimental-candidemia-murine-model
#18
Camila G Freitas, Stella M F Lima, Mirna S Freire, Ana Paula C Cantuária, Nelson G O Júnior, Tatiane S Santos, Jéssica S Folha, Suzana M Ribeiro, Simoni C Dias, Taia M B Rezende, Patrícia Albuquerque, André M Nicola, César de la Fuente-Núñez, Robert E W Hancock, Octávio L Franco, Maria Sueli S Felipe
Fungal Candida species are commensals present in the mammalian skin and mucous membranes. Candida spp. are capable of breaching the epithelial barrier of immuno-compromised patients with neutrophil and cell-mediated immune dysfunctions, and it can also disseminate to multiple organs through the bloodstream. Here we examined the action of innate defence regulator (IDR)-1018, a 12-aminoacid residue peptide derived from bovine bactenecin (Bac2A), showed weak antifungal and anti-biofilm activity against C. albicans laboratory (ATCC 10231) and a clinical isolate (CI) strains (MICs of 32 μg...
May 30, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28557435/cross-linked-collagen-hydrogel-matrix-resisting-contraction-to-facilitate-full-thickness-skin-equivalents
#19
Christian Lotz, Freia F Schmid, Eva Oechsle, Michael G Monaghan, Heike Walles, Florian Groeber-Becker
Full-thickness skin equivalents are gathering increased interest as skin grafts for the treatment of large skin defects or chronic wounds or as nonanimal test platforms. However, their fibroblast-mediated contraction and poor mechanical stability lead to disadvantages toward their reproducibility and applicability in vitro and in vivo. To overcome these pitfalls, we aimed to chemically cross-link the dermal layer of a full-thickness skin model composed of a collagen type I hydrogel. Using a noncytotoxic four-arm succinimidyl glutarate polyethylene glycol (PEG-SG), cross-linking could be achieved in cell seeded collagen hydrogels...
June 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28556026/preclinical-pilot-study-monitoring-topical-drug-penetration-and-dermal-bioavailability-of-a-peptidase-inhibitor-from-different-galenic-formulations-into-pig-dermis-using-cutaneous-microdialysis
#20
S R Quist, A Heimburg, U Bank, D Mahnkopf, G Koch, H Gollnick, M Täger, S Ansorge
BACKGROUND: Cutaneous microdialysis (CM) is an ex vivo technique that allows study of tissue chemistry, including bioavailability of actual tissue concentration of unbound drug in the interstitial fluid of the body. AIM: To test the penetration and dermal bioavailability of galenic formulations of the small-molecule IP10.C8, a dual-protease inhibitor of the dipeptidyl peptidase and aminopeptidase families. METHODS: Using CM, we tested the penetration and dermal bioavailability of IP10...
May 29, 2017: Clinical and Experimental Dermatology
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