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https://www.readbyqxmd.com/read/29454536/the-role-of-the-ovol1-ovol2-axis-in-normal-and-diseased-human-skin
#1
REVIEW
Gaku Tsuji, Takamichi Ito, Takahito Chiba, Chikage Mitoma, Takeshi Nakahara, Hiroshi Uchi, Masutaka Furue
OVOLs (OVO-like proteins) are ubiquitously conserved genes encoding a C2 H2 zinc finger transcription factor in mammals. Functional studies on OVOL1 and OVOL2 using knockout mice have suggested that these genes play a pivotal role in the development of epithelial tissues arising from germ cells; however, the role of the OVOL1-OVOL2 axis in normal and diseased tissues remains unclear. This review highlights recent advances in understanding how the OVOL1-OVOL2 axis modulates cell differentiation and proliferation in human keratinocytes, hair follicles, and benign or malignant skin tumors including squamous cell carcinoma and malignant melanoma...
February 12, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/29453499/screening-for-gene-environment-g%C3%A3-e-interaction-using-omics-data-from-exposed-individuals-an-application-to-gene-arsenic-interaction
#2
Maria Argos, Lin Tong, Shantanu Roy, Mekala Sabarinathan, Alauddin Ahmed, Md Tariqul Islam, Tariqul Islam, Muhammad Rakibuz-Zaman, Golam Sarwar, Hasan Shahriar, Mahfuzar Rahman, Md Yunus, Joseph H Graziano, Farzana Jasmine, Muhammad G Kibriya, Xiang Zhou, Habibul Ahsan, Brandon L Pierce
Identifying gene-environment interactions is a central challenge in the quest to understand susceptibility to complex, multi-factorial diseases. Developing an understanding of how inter-individual variability in inherited genetic variation alters the effects of environmental exposures will enhance our knowledge of disease mechanisms and improve our ability to predict disease and target interventions to high-risk sub-populations. Limited progress has been made identifying gene-environment interactions in the epidemiological setting using existing statistical approaches for genome-wide searches for interaction...
February 16, 2018: Mammalian Genome: Official Journal of the International Mammalian Genome Society
https://www.readbyqxmd.com/read/29450147/lemongrass-cymbopogon-flexuosus-essential-oil-demonstrated-anti-inflammatory-effect-in-pre-inflamed-human-dermal-fibroblasts
#3
Xuesheng Han, Tory L Parker
Lemongrass ( Cymbopogon flexuosus ) essential oil (LEO), which has citral as its main component, has exhibited anti-inflammatory effect in both animal and human cells. In this study, we evaluated the anti-inflammatory activity of a commercially available LEO in pre-inflamed human dermal fibroblasts. We first studied the impact of LEO on 17 protein biomarkers that are critically associated with inflammation and tissue remodeling. LEO significantly inhibited production of the inflammatory biomarkers vascular cell adhesion molecule 1 (VCAM-1), interferon gamma-induced protein 10 (IP-10), interferon-inducible T-cell alpha chemoattractant (I-TAC), and monokine induced by gamma interferon (MIG); decreased levels of the tissue remodeling biomarkers collagen-I and III, epidermal growth factor receptor (EGFR), and plasminogen activator inhibitor (PAI-1); and inhibited the immunomodulatory biomarker macrophage colony-stimulating factor (M-CSF)...
June 2017: Biochimie Open
https://www.readbyqxmd.com/read/29450142/arborvitae-thuja-plicata-essential-oil-significantly-inhibited-critical-inflammation-and-tissue-remodeling-related-proteins-and-genes-in-human-dermal-fibroblasts
#4
Xuesheng Han, Tory L Parker
Arborvitae ( Thuja plicata ) essential oil (AEO) is becoming increasingly popular in skincare, although its biological activity in human skin cells has not been investigated. Therefore, we sought to study AEO's effect on 17 important protein biomarkers that are closely related to inflammation and tissue remodeling by using a pre-inflamed human dermal fibroblast culture model. AEO significantly inhibited the expression of vascular cell adhesion molecule 1 (VCAM-1), intracellular cell adhesion molecule 1 (ICAM-1), interferon gamma-induced protein 10 (IP-10), interferon-inducible T-cell chemoattractant (I-TAC), monokine induced by interferon gamma (MIG), and macrophage colony-stimulating factor (M-CSF)...
June 2017: Biochimie Open
https://www.readbyqxmd.com/read/29450138/biological-activities-of-frankincense-essential-oil-in-human-dermal-fibroblasts
#5
Xuesheng Han, Damian Rodriguez, Tory L Parker
Although frankincense essential oil (FREO) has become increasingly popular in skin care, research on its biological activities in human skin cells is scarce, if not completely absent. In the current study, we explored the biological activities of FREO in pre-inflamed human dermal fibroblasts by analyzing the levels of 17 important protein biomarkers pertinent to inflammation and tissue remodeling. FREO exhibited robust anti-proliferative activity in these skin cells. It also significantly inhibited collagen III, interferon gamma-induced protein 10, and intracellular cell adhesion molecule 1...
June 2017: Biochimie Open
https://www.readbyqxmd.com/read/29449854/genome-wide-characterization-of-bhlh-genes-in-grape-and-analysis-of-their-potential-relevance-to-abiotic-stress-tolerance-and-secondary-metabolite-biosynthesis
#6
Pengfei Wang, Ling Su, Huanhuan Gao, Xilong Jiang, Xinying Wu, Yi Li, Qianqian Zhang, Yongmei Wang, Fengshan Ren
Basic helix-loop-helix (bHLH) transcription factors are involved in many abiotic stress responses as well as flavonol and anthocyanin biosynthesis. In grapes ( Vitis vinifera L.), flavonols including anthocyanins and condensed tannins are most abundant in the skins of the berries. Flavonols are important phytochemicals for viticulture and enology, but grape bHLH genes have rarely been examined. We identified 94 grape bHLH genes in a genome-wide analysis and performed Nr and GO function analyses for these genes...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29449565/amphibian-chytridiomycosis-outbreak-dynamics-are-linked-with-host-skin-bacterial-community-structure
#7
Kieran A Bates, Frances C Clare, Simon O'Hanlon, Jaime Bosch, Lola Brookes, Kevin Hopkins, Emilia J McLaughlin, Olivia Daniel, Trenton W J Garner, Matthew C Fisher, Xavier A Harrison
Host-associated microbes are vital for combatting infections and maintaining health. In amphibians, certain skin-associated bacteria inhibit the fungal pathogen Batrachochytrium dendrobatidis (Bd), yet our understanding of host microbial ecology and its role in disease outbreaks is limited. We sampled skin-associated bacteria and Bd from Pyrenean midwife toad populations exhibiting enzootic or epizootic disease dynamics. We demonstrate that bacterial communities differ between life stages with few shared taxa, indicative of restructuring at metamorphosis...
February 15, 2018: Nature Communications
https://www.readbyqxmd.com/read/29446002/genomic-characterization-of-the-first-oral-avian-papillomavirus-in-a-colony-of-breeding-canaries-serinus-canaria
#8
Daniel A Truchado, Michaël A J Moens, Sergio Callejas, Javier Pérez-Tris, Laura Benítez
Papillomaviruses are non-enveloped, DNA viruses that infect skin and mucosa of a wide variety of vertebrates, causing neoplasias or simply persisting asymptomatically. Avian papillomaviruses, with six fully sequenced genomes, are the second most studied group after mammalian papillomaviruses. In this study, we describe the first oral avian papillomavirus, detected in the tongue of a dead Yorkshire canary (Serinus canaria) and in oral swabs of the same bird and other two live canaries from an aviary in Madrid, Spain...
February 14, 2018: Veterinary Research Communications
https://www.readbyqxmd.com/read/29445421/evidence-for-a-pre-malignant-cell-line-in-a-skin-biopsy-from-a-patient-with-nijmegen-breakage-syndrome
#9
Raneem Habib, Heidemarie Neitzel, Aurelie Ernst, John K L Wong, Bozenna Goryluk-Kozakiewicz, Antje Gerlach, Ilja Demuth, Karl Sperling, Krystyna Chrzanowska
Background: Nijmegen breakage syndrome is an autosomal recessive disorder characterized by microcephaly, immunodeficiency, hypersensitivity to X-irradiation, and a high predisposition to cancer. Nibrin, the product of the NBN gene, is part of the MRE11/RAD50 (MRN) complex that is involved in the repair of DNA double strand breaks (DSBs), and plays a critical role in the processing of DSBs in immune gene rearrangements, telomere maintenance, and meiotic recombination. NBS skin fibroblasts grow slowly in culture and enter early into senescence...
2018: Molecular Cytogenetics
https://www.readbyqxmd.com/read/29438294/first-diagnosed-case-of-camelpox-virus-in-israel
#10
Oran Erster, Sharon Melamed, Nir Paran, Shay Weiss, Yevgeny Khinich, Boris Gelman, Aharon Solomony, Orly Laskar-Levy
An outbreak of a disease in camels with skin lesions was reported in Israel during 2016. To identify the etiological agent of this illness, we employed a multidisciplinary diagnostic approach. Transmission electron microscopy (TEM) analysis of lesion material revealed the presence of an orthopox-like virus, based on its characteristic brick shape. The virus from the skin lesions successfully infected chorioallantoic membranes and induced cytopathic effect in Vero cells, which were subsequently positively stained by an orthopox-specific antibody...
February 13, 2018: Viruses
https://www.readbyqxmd.com/read/29434612/transcriptomic-and-functional-analyses-reveal-that-ppglk1-regulates-chloroplast-development-in-peach-prunus-persica
#11
Min Chen, Xiao Liu, Shenghui Jiang, Binbin Wen, Chao Yang, Wei Xiao, Xiling Fu, Dongmei Li, Xiude Chen, Dongsheng Gao, Ling Li
Peach is an ideal species for fruit tree research because of its small, fully sequenced genome. Chloroplast development is dependent on the tight cooperation between the nuclear and plastid genomes, and is regulated by GLK transcription factors. In this work, the pigment content was monitored and the chloroplast-to-chromoplast conversion during the fruit ripening was visualized by transmission electron microscopy. Localization and expression analyses showed that PpGLK1 was located in the nucleus and expressed mainly in the leaves and fruit skin...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29425888/understanding-the-microbiome-emerging-biomarkers-for-exploiting-the-microbiota-for-personalized-medicine-against-cancer
#12
REVIEW
Meenakshi Rajpoot, Anil K Sharma, Anil Sharma, Girish Kumar Gupta
The human body is a home to more than 1 trillion microbes with a diverse variety of commensal microbes that play a crucial role towards the health of the individual. These microbes occupy different habitats such as gut, skin, vagina, oral etc. Not only the types and abundance of microbes are different in different organs, but also these may differ in different individuals. The genome of these microbiota and their ecosystem constitute to form a microbiome. Factors such as diet, environment, host genetics etc...
February 6, 2018: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/29421277/epidermal-lipid-composition-barrier-integrity-and-eczematous-inflammation-are-associated-with-skin-microbiome-configuration
#13
Hansjörg Baurecht, Malte C Rühlemann, Elke Rodríguez, Frederieke Thielking, Inken Harder, Anna-Sophie Erkens, Dora Stölzl, Eva Ellinghaus, Melanie Hotze, Wolfgang Lieb, Sheng Wang, Femke-Anouska Heinsen, Andre Franke, Stephan Weidinger
BACKGROUND: Genomic approaches have revealed characteristic site-specificities of skin bacterial community structures. In addition, in children with atopic dermatitis (AD), characteristic shifts were described at creases and in particular during flares, which have been postulated to mirror the disturbed skin barrier function and/or cutaneous inflammation. OBJECTIVE: We sought to comprehensively analyse microbial configurations in AD across body sites, and to explore the impact of distinct abnormalities of epidermal barrier function...
February 5, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29420823/characterization-of-nannizziopsis-guarroi-with-genomic-and-proteomic-analysis-in-three-lizard-species
#14
Juliane Schneider, Tilo Heydel, Linus Klasen, Michael Pees, Wieland Schrödl, Volker Schmidt
Fungal infections in captive as well as in free-living reptiles caused by emerging obligate pathogenic fungi appear with increasing frequency and give occasion to establish new and fast methods for routine diagnostics. The so-called yellow fungus disease is one of the most important and common fungal dermatomycoses in central bearded dragons (Pogona vitticeps) and green iguanas (Iguana iguana) and is caused by Nannizziopsis guarroi. The aim of this study was to prove reliability in identification of N. guarroi with Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) in comparison to molecular biological analysis of ribosomal DNA genes...
October 9, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/29419890/genetic-and-clinical-findings-in-a-chinese-cohort-of-patients-with-collagen-vi-related-myopathies
#15
Y Fan, A Liu, C Wei, H Yang, X Chang, S Wang, Y Yuan, C Bonnemann, Q Wu, X Wu, H Xiong
Collagen VI-related myopathy, caused by pathogenic variants in the genes encoding collagen VI, represents a clinical continuum from Ullrich congenital muscular dystrophy (UCMD) to Bethlem myopathy (BM). Clinical data of 60 probands and their family members were collected and muscle biopsies of 26 patients were analyzed. COL6A1, COL6A2 and COL6A3 exons were analyzed by direct sequencing or next generation sequencing (NGS). Sixty patients were characterized by delayed motor milestones, muscle weakness, skin and joint changes with forty UCMD and twenty BM...
February 8, 2018: Clinical Genetics
https://www.readbyqxmd.com/read/29416598/genome-wide-comparison-of-the-protein-coding-repertoire-reveals-fast-evolution-of-immune-related-genes-in-cephalochordates-and-osteichthyes-superclass
#16
Qi-Lin Zhang, Bin Xu, Xiu-Qiang Wang, Ming-Long Yuan, Jun-Yuan Chen
Amphioxus is used to investigate the origin and evolution of vertebrates. To better understand the characteristics of genome evolution from cephalochordates to Osteichthyes, we conducted a genome-wide pairwise comparison of protein-coding genes within amphioxus (a comparable group) and parallel analyses within Osteichthyes (two comparable groups). A batch of fast-evolving genes in each comparable group was identified. Of these genes, the most fast-evolving genes (top 20) were scrutinized, most of which were involved in immune system...
January 2, 2018: Oncotarget
https://www.readbyqxmd.com/read/29413990/mitochondrial-gene-expression-changes-in-cultured-human-skin-cells-following-simulated-sunlight-irradiation
#17
J Kelly, J E Murphy
BACKGROUND: Exposure of skin to simulated sunlight irradiation (SSI) has being extensively researched and shown to be the main cause for changes in the skin including changes in cellular function and generation of reactive oxygen species (ROS). This oxidative stress can subsequently exert downstream effects and the subcellular compartments most affected by this oxidative stress are mitochondria. The importance of functional mitochondrial morphology is apparent as morphological defects are related to many human diseases including diabetes mellitus, liver disease, neurodegenerative diseases, aging and cancer...
November 10, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29409030/genetic-variability-of-the-noncoding-control-region-of-cutaneous-merkel-cell-polyomavirus-identification-of-geographically-related-genotypes
#18
Yumiko Hashida, Tomonori Higuchi, Kiyohiko Matsui, Yuka Shibata, Kimiko Nakajima, Shigetoshi Sano, Masanori Daibata
Background: Merkel cell polyomavirus (MCPyV) is a ubiquitous cutaneous virus that causes Merkel cell carcinoma (MCC), which develops preferentially in white European/North American populations. However, the genomic variations of MCPyV among ethnic groups have not been well delineated, and even less is known regarding alterations in the noncoding control region (NCCR) in the general population. Methods: MCPyV strains recovered from skin swabs of 250 healthy participants with distinct ethnicity/geographic origins were subjected to sequencing analysis of the NCCR...
February 2, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29401702/bioactive-dietary-vdr-ligands-regulate-genes-encoding-biomarkers-of-skin-repair-that-are-associated-with-risk-for-psoriasis
#19
Amitis Karrys, Islam Rady, Roxane-Cherille N Chamcheu, Marya S Sabir, Sanchita Mallick, Jean Christopher Chamcheu, Peter W Jurutka, Mark R Haussler, G Kerr Whitfield
Treatment with 1,25-dihydroxyvitamin D₃ (1,25D) improves psoriasis symptoms, possibly by inducing the expression of late cornified envelope (LCE)3 genes involved in skin repair. In psoriasis patients, the majority of whom harbor genomic deletion of LCE3B and LCE3C (LCE3C_LCE3B-del), we propose that certain dietary analogues of 1,25D activate the expression of residual LCE3A/LCE3D/LCE3E genes to compensate for the loss of LCE3B/LCE3C in the deletant genotype. Herein, human keratinocytes (HEKn) homozygous for LCE3C_LCE3B-del were treated with docosahexaenoic acid (DHA) and curcumin, two low-affinity, nutrient ligands for the vitamin D receptor (VDR)...
February 4, 2018: Nutrients
https://www.readbyqxmd.com/read/29395148/symposium-review-lactococcus-lactis-from-nondairy-sources-their-genetic-and-metabolic-diversity-and-potential-applications-in-cheese
#20
Olivia McAuliffe
The widespread dissemination of species of the lactic acid bacteria (LAB) group in different environments testifies to their extraordinary niche adaptability. Members of the LAB are present on grass and other plant material, in dairy products, on human skin, and in the gastrointestinal and reproductive tracts. The selective pressure imparted by these specific environments is a key driver in the genomic diversity observed between strains of the same species deriving from distinct habitats. Strains that are exploited in the dairy industry for the production of fermented dairy products are often referred to as "domesticated" strains...
January 30, 2018: Journal of Dairy Science
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