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https://www.readbyqxmd.com/read/29149671/silver-nanoparticles-stimulate-the-proliferation-of-sulfate-reducing-bacterium-desulfovibrio-vulgaris
#1
Zhaoyu Chen, Ji Lu, Shu-Hong Gao, Min Jin, Philip L Bond, Ping Yang, Zhiguo Yuan, Jianhua Guo
The intensive use of silver nanoparticles (AgNPs) in cosmetics and textiles causes their release into sewer networks of urban water systems. Although a few studies have investigated antimicrobial activities of nanoparticles against environmental bacteria, little is known about potential impacts of the released AgNPs on sulfate reducing bacteria in sewers. Here, we investigated the effect of AgNPs on Desulfovibrio vulgaris Hidenborough (D. vulgaris), a typical sulfate-reducing bacterium (SRB) in sewer systems...
November 8, 2017: Water Research
https://www.readbyqxmd.com/read/29149287/genomic-and-epigenomic-immunity-in-common-bean-the-unusual-features-of-nb-lrr-gene-family
#2
Manon M S Richard, Ariane Gratias, Vincent Thareau, Kyung Do Kim, Sandrine Balzergue, Johann Joets, Scott A Jackson, Valérie Geffroy
In plants, a key class of genes comprising most of disease resistance (R) genes encodes Nucleotide-binding leucine-rich repeat (NL) proteins. Access to common bean (Phaseolus vulgaris) genome sequence provides unparalleled insight into the organization and evolution of this large gene family (∼400 NL) in this important crop. As observed in other plant species, most common bean NL are organized in cluster of genes. However, a particularity of common bean is that these clusters are often located in subtelomeric regions close to terminal knobs containing the satellite DNA khipu...
November 15, 2017: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes
https://www.readbyqxmd.com/read/29148415/exacerbation-of-beh%C3%A3-et-s-syndrome-and-familial-mediterranean-fever-with-menstruation
#3
Gul Guzelant, Yesim Ozguler, Sinem Nihal Esatoglu, Guzin Karatemiz, Huri Ozdogan, Sebahattin Yurdakul, Hasan Yazici, Emire Seyahi
OBECTIVES: Menstruation triggers several conditions such as migraine, recurrent aphthous stomatitis and acne vulgaris in healthy individuals. There is evidence that Behçet's syndrome (BS) and familial Mediterranean fever (FMF) may exacerbate during menstruation. The aim is to assess whether BS and FMF patients experience menstrual flares. METHODS: Females of reproductive age with BS and FMF seen consecutively at the outpatient clinic of Cerrahpasa Medical Faculty at Istanbul, as well as apparently healthy hospital workers were studied using a standardised questionnaire...
October 24, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29148294/synthesis-physiochemical-property-and-antimicrobial-activity-of-novel-quaternary-ammonium-salts
#4
Xianrui Xie, Wei Cong, Feng Zhao, Hongjuan Li, Wenyu Xin, Guige Hou, Chunhua Wang
Twenty-four novel 5-phenyl-1,3,4-oxadiazole-2-thiol (POT) analogues, benzo[d]oxazole-2-thiol, benzo[d]thiazole-2-thiol and 5-methyl-1,3,4-thiadiazole-2-thiol-substituted N,N-bis(2-hydroxyethyl) quaternary ammonium salts (QAS) (5a-d, 6a-d, 7a-d, 10a-d, 13a-d, 16a-d) were prepared and characterised by FTIR, NMR and elemental analysis. Part of target compounds (5d, 6d, 7d, 10d, 13d, 16d) displayed potent antimicrobial effect against ten common pathogens (S. aureus, α-H-tococcus, β-H-tococcus, E. coli, P. aeruginosa, Proteus vulgaris, Canidia Albicans, Cytospora mandshurica, Physalospora piricola, Aspergillus niger) and had relatively low cytotoxity against two human cell lines (HaCat and LO2)...
December 2018: Journal of Enzyme Inhibition and Medicinal Chemistry
https://www.readbyqxmd.com/read/29145342/evaluation-of-anti-desmoglein-1-and-anti-desmoglein-3-autoantibody-titers-in-pemphigus-patients-at-the-time-of-the-initial-diagnosis-and-after-clinical-remission
#5
Irene Russo, Francesco Paolo De Siena, Andrea Saponeri, Mauro Alaibac
It has been suggested that anti-desmoglein autoantibody titers could be helpful in follow-up and therapeutic management of pemphigus patients. However, there is no consensus regarding the relationship between anti-desmoglein autoantibody titers and clinical activity of pemphigus.The aim of our study was to evaluate if clinical remission of pemphigus relates to the presence of anti-desmoglein autoantibodies.Thirty patients with pemphigus vulgaris and 7 patients with pemphigus foliaceous were included in the study...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145242/the-association-of-genetic-variants-in-chemokine-genes-with-the-risk-of-psoriasis-vulgaris-in-chinese-population-a-case-control-study
#6
Jin Zhang, Qiuhe Song, Kun Zhu, Jun Lu, Xiaogang Xiong, Fei Hao
This study aimed to investigate the influence of polymorphisms in chemokine genes, including MCP1, CCR2, and CCR5 with psoriasis vulgaris (PV) risk in a Chinese population.The genotyping of studied polymorphisms through polymerase chain reaction (PCR) and sequencing was conducted in 142 PV patients and 147 healthy controls. The genotype distribution of the polymorphisms in the control group was checked to determine whether it conformed to Hardy-Weinberg equilibrium (HWE). The genotype and allele frequencies were compared between PV patients and the healthy controls using Chi-square test...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29141062/management-of-severe-acne-vulgaris-with-topical-therapy
#7
Linda Stein Gold, Hilary E Baldwin, Tina Lin
<p>Acne vulgaris (acne) is the most common skin disease we see in dermatology practice. Although rare in childhood, severe acne can affect up to 12% of the adolescent population. A chronic disease, it requires both aggressive management and effective maintenance strategies. Oral antibiotics, in combination with topical agents are recommended for treatment, with topical agents being continued as maintenance therapy to minimize resistance and recurrence. However, concerns with systemic side effects have recently resulted in a greater focus on the potential of fixed combination topical therapies to treat severe acne...
November 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/29141057/lasers-light-and-the-treatment-of-acne-a-comprehensive-review-of-the-literature
#8
Lana X Tong, Jeremy A Brauer
INTRODUCTION: Acne vulgaris is common dermatologic condition with an estimated prevalence of 70 to 87%. Acne has been shown to have a significant impact on patient quality of life and mental health, especially as inflammatory lesions typically occur on cosmetically sensitive areas with the potential for permanent scarring. There have been numerous advances in the treatment of inflammatory acne with light-based and laser devices. OBJECTIVE: To review the current evidence for light-based and laser treatments in the management of inflammatory acne...
November 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/29138306/key-metabolites-and-mechanistic-changes-for-salt-tolerance-in-an-experimentally-evolved-sulfate-reducing-bacterium-desulfovibrio-vulgaris
#9
Aifen Zhou, Rebecca Lau, Richard Baran, Jincai Ma, Frederick von Netzer, Weiling Shi, Drew Gorman-Lewis, Megan L Kempher, Zhili He, Yujia Qin, Zhou Shi, Grant M Zane, Liyou Wu, Benjamin P Bowen, Trent R Northen, Kristina L Hillesland, David A Stahl, Judy D Wall, Adam P Arkin, Jizhong Zhou
Rapid genetic and phenotypic adaptation of the sulfate-reducing bacterium Desulfovibrio vulgaris Hildenborough to salt stress was observed during experimental evolution. In order to identify key metabolites important for salt tolerance, a clone, ES10-5, which was isolated from population ES10 and allowed to experimentally evolve under salt stress for 5,000 generations, was analyzed and compared to clone ES9-11, which was isolated from population ES9 and had evolved under the same conditions for 1,200 generations...
November 14, 2017: MBio
https://www.readbyqxmd.com/read/29138082/synthesis-of-chitosan-alginate-cs-alg-microspheres-with-high-antimicrobial-and-antibiofilm-activity-against-multi-drug-resistant-microbial-pathogens
#10
Rajagopalan Thaya, Baskaralingam Vaseeharan, Jeyachandran Sivakamavalli, Arokiadhas Iswarya, Marimuthu Govindarajan, Naiyf S Alharbi, Shine Kadaikunnan, Mohammed N Al-Anbr, Jamal M Khaled, Giovanni Benelli
The successful treatment of multi-drug resistant microbial pathogens represents a major challenge for public health management. Here, chitosan-alginate (CS/ALG) microspheres with narrow size distribution were fabricated by ionically cross linking method using Ca(2+) ions as agents for polymer solidification. The physicochemical properties of CS/ALG microspheres, such as surface morphology and size were studied by SEM and the functional group interactions were confirmed by Fourier transform infrared (FTIR) spectroscopy...
November 11, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29138059/pityrosporum-folliculitis-a-retrospective-review-of-110-cases
#11
Brea Prindaville, Leah Belazarian, Nikki A Levin, Karen Wiss
BACKGROUND: Pityrosporum folliculitis is an under-recognized eruption of the face and upper trunk that may be confused with, or occur simultaneously with, acne vulgaris. OBJECTIVE: We sought to characterize risk factors for Pityrosporum folliculitis, its clinical presentation, and response to treatment. METHODS: A retrospective chart review was performed on all patients aged 0 to 21 years seen from 2010-2015 with Pityrosporum folliculitis confirmed by potassium hydroxide (KOH) preparation...
November 11, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29137766/mild-synthesis-of-a-zn-ii-metal-organic-polymer-and-its-hybrid-with-activated-carbon-application-as-antibacterial-agent-and-in-water-treatment-by-using-sonochemistry-optimization-kinetic-and-isotherm-study
#12
Tahere Taghipour, Gholamreza Karimipour, Mehrorang Ghaedi, Arash Asfaram
In this work, a room temperature and short method (30min) for synthesis of nanosized rod-like metal organic polymer (MOP) has been described. Reaction of 1,4-phenylenedioxy diacetic acid with zinc salt leads to the formation of [Zn(C10H8O6)(H2O)4]n and subsequently was loaded on activated carbon following sonication and structurally characterized by FTIR, SEM, EDX and XRD analysis. The combination of this new composite with sonication was applied for rapid and efficient adsorption of Bromocresol Purple (BCP)...
March 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/29137347/antiandrogenic-and-antimineralocorticoid-health-benefits-of-coc-containing-newer-progestogens-dienogest-and-drospirenone
#13
REVIEW
Pedro-Antonio Regidor, Adolf E Schindler
Data have demonstrated that COCs, besides offering a satisfactory and safe contraception, offer a variety of non-contraceptive health benefits and therapeutic positive aspects. Many prescribes and users, however, do not realize these positive aspects especially the non-contraceptive health benefits. While the contraceptive use is the primary indication for COC use for most women, these users should be advised in regard of the non-contraceptive benefits when contraception is discussed and prescribed. Using COCs specifically for non-contraceptive indications is an off-label use in many clinical situations (only some exceptions as e...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137071/a-comparative-study-of-biological-and-metabolic-biomarkers-between-healthy-individuals-and-patients-with-acne-vulgaris-a-cross-sectional-study-protocol
#14
Kyuseok Kim, Injin Ha, Eunok Kim, Kyunglee Kim
Acne is a multifactorial dermatosis, which is influenced not only by hormones but also by the biochemical relationship between them and the pilosebaceous unit. Inflammatory cytokines, chemokines, active oxygen, and zinc are known to be associated with the development of acne. Further, steroid metabolism is known as one of the important factors related to sebum secretion and comedone formation in acne. However, there is a lack of studies comparing these human biomarkers between healthy individuals and patients with acne...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29136308/author-s-response-to-the-comment-to-compound-heterozygotes-for-filaggrin-gene-mutations-do-not-always-show-severe-atopic-dermatitis
#15
A Sekiya, K Kono, M Akiyama
FLG mutations play a causal role in the development of ichthyosis vulgaris (IV) and are known to be a predisposing factor for atopic dermatitis (AD) in European and Asian populations. However, it remains a matter of debate how loss of function of filaggrin leads to AD. Skin barrier dysfunction due to the loss of structural proteins in the epidermis makes it easy for allergens to invade, and sensitization to the allergens, increases in serum IgE, and dermatitis follow. In addition, loss of filaggrin results in increased pH in the stratum corneum, increased serine protease activity and hyper-activation of cytokine cascades...
November 14, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29132911/antioxidant-anti-inflammatory-and-gastroprotective-activity-of-filipendula-ulmaria-l-maxim-and-filipendula-vulgaris-moench
#16
Stevan Samardžić, Jelena Arsenijević, Dragana Božić, Marina Milenković, Vele Tešević, Zoran Maksimović
ETHNOPHARMACOLOGICAL RELEVANCE: Meadowsweet (Filipendula ulmaria (L.) Maxim.) and dropwort (Filipendula vulgaris Moench) are herbaceous perennials employed in folk medicine for their antirheumatic, antipyretic and anti-ulcer properties. AIM OF THE STUDY: To assess ethnomedicinal claims through investigation of antioxidant, anti-inflammatory and gastroprotective effects of F. ulmaria and F. vulgaris lyophilized flower infusions (LFIs) as well as the F. vulgaris isolated flavonoids spiraeoside, kaempferol 4'-O-glucoside, astragalin 2''-O-gallate, mixture of hyperoside 2''-O-gallate and isoquercitrin 2''-O-gallate, and a tannin tellimagrandin II...
November 10, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29132070/sixteen-year-history-of-rituximab-therapy-for-1085-pemphigus-vulgaris-patients-a-systematic-review
#17
REVIEW
Soheil Tavakolpour, HamidReza Mahmoudi, Kamran Balighi, Robabeh Abedini, Maryam Daneshpazhooh
Pemphigus vulgaris (PV) is a rare autoimmune disease due to the production of pathogenic autoantibodies directed against desmoglein 1 and 3, usually affecting both skin and mucous membranes. Recently, rituximab, a chimeric IgG1 monoclonal antibody which targets the CD20 molecules have been regarded as a promising treatment for PV. In this study, a systematic review was conducted to conclude on how and which PV patients could benefit from rituximab infusion. Search in PubMed results in 114 relevant studies, which met the criteria...
November 10, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29131711/aerobic-treatment-of-swine-manure-to-enhance-anaerobic-digestion-and-microalgal-cultivation
#18
Dominic Bekoe, Lijun Wang, Bo Zhang, Matthew Scott Todd, Abolghasem Shahbazi
Aerobic treatment of swine manure was coupled with anaerobic digestion and microalgal cultivation. A 14-day aerobic treatment reduced the total solid content of swine manure by >15%. Ammonia and carbon dioxide were stripped by the air supplied, and this off-gas was further used to aerate the culture of Chlorella vulgaris. The microalgal growth rates in Bristol medium and the wastewater with the off-gas increased from 0.08 to 0.22 g/L/d and from 0.15 to 0.24 g/L/d, respectively. Meanwhile, the aerobically treated swine manure showed a higher methane yield during anaerobic digestion...
November 13, 2017: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/29131371/utility-of-gram-staining-for-diagnosis-of-malassezia-folliculitis
#19
Wei-Ting Tu, Szu-Ying Chin, Chia-Lun Chou, Che-Yuan Hsu, Yu-Tsung Chen, Donald Liu, Woan-Ruoh Lee, Yi-Hsien Shih
Malassezia folliculitis (MalF) mimics acne vulgaris and bacterial folliculitis in clinical presentations. The role of Gram staining in rapid diagnosis of MalF has not been well studied. In our study, 32 patients were included to investigate the utility of Gram staining for MalF diagnosis. The final diagnoses of MalF were determined according to clinical presentation, pathological result and treatment response to antifungal agents. Our results show that the sensitivity and specificity of Gram staining are 84...
November 13, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/29131127/pleiotropic-effects-of-white-willow-bark-and-1-2-decanediol-on-human-adult-keratinocytes
#20
Eleonora Bassino, Franco Gasparri, Luca Munaron
BACKGROUND: Acne vulgaris is a common skin defect, usually occurring during adolescence, but often it can persist in adults leaving permanent face scarring. Acne is usually treated with topical drugs, oral antibiotics, retinoids, and hormonal therapies, but medicinal plants are increasingly employed. OBJECTIVE: To investigate the protective role of white willow bark (WWB) and 1,2-decanediol (DD) on the damage caused by lipopolysaccharides (LPS) on human adult keratinocytes (HaCaT)...
November 8, 2017: Skin Pharmacology and Physiology
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