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Jennifer L Aponte, Mathias N Chiano, Laura M Yerges-Armstrong, David A Hinds, Chao Tian, Akansha Gupta, Cong Guo, Dana J Fraser, Johannes M Freudenberg, Deepak K Rajpal, Margaret G Ehm, Dawn M Waterworth
Rosacea is a common, chronic skin disease of variable severity with limited treatment options. The cause of rosacea is unknown, but it is believed to be due to a combination of hereditary and environmental factors. Little is known about the genetics of the disease. We performed a genome-wide association study (GWAS) of rosacea symptom severity with data from 73,265 research participants of European ancestry from the 23andMe customer base. Seven loci had variants associated with rosacea at the genome-wide significance level (p≤5 × 10-8)...
May 16, 2018: Human Molecular Genetics
Philip D Shenefelt
Mindfulness-based cognitive hypnotherapy integrates mindfulness, cognitive-behavioral therapy, and hypnotherapy to improve physical, emotional, mental, and/or spiritual aspects of skin disorders. Meditation, including mindfulness meditation, and hypnosis both utilize trance phenomena to help produce focalization and specific improvements in skin disorders through psycho-neuro-endocrine-immunologic mechanisms. Hypnosis, cognitive hypnotherapy, focused meditation, and mindfulness meditation are discussed with respect to improving various skin disorders including acne, acne excoriée, alopecia areata, atopic dermatitis, congenital ichthyosiform erythroderma, dyshidrotic dermatitis, erythema nodosum, erythromelalgia, furuncles, glossodynia, herpes simplex, hyperhidrosis, ichthyosis vulgaris, lichen planus, neurodermatitis, nummular dermatitis, postherpetic neuralgia, prurigo nodularis, pruritus, psoriasis, rosacea, trichotillomania, urticaria, verruca vulgaris, and vitiligo...
July 2018: American Journal of Clinical Hypnosis
Sara Herrera, Jorge Lora, José I Hormaza, Maria Herrero, Javier Rodrigo
Apricot ( Prunus armeniaca L.) is a species of the Rosaceae that was originated in Central Asia, from where it entered Europe through Armenia. The release of an increasing number of new cultivars from different breeding programs is resulting in an important renewal of plant material worldwide. Although most traditional apricot cultivars in Europe are self-compatible, the use of self-incompatible cultivars as parental genotypes for breeding purposes is leading to the introduction of a number of new cultivars that behave as self-incompatible...
2018: Frontiers in Plant Science
Jiahui Sun, Shuo Shi, Jinlu Li, Jing Yu, Ling Wang, Xueying Yang, Ling Guo, Shiliang Zhou
Maleae consists of economically and ecologically important plants. However, there are considerable disputes on generic circumscription due to the lack of a reliable phylogeny at generic level. In this study, molecular phylogeny of 35 generally accepted genera in Maleae is established using 15 chloroplast regions. Gillenia is the most basal clade of Maleae, followed by Kageneckia + Lindleya , Vauquelinia , and a typical radiation clade, the core Maleae, suggesting that the proposal of four subtribes is reasonable...
2018: BioMed Research International
Wai Leong Kok, Hazel H Oon, Yoke Chin Giam
No abstract text is available yet for this article.
April 2018: Singapore Medical Journal
Jun Yeong Park, Min Kyun Ahn, Eun Byul Cho, Eun Joo Park, Kwang Ho Kim
BACKGROUND: Dual-frequency ultrasound (DFU) has emerged as a new treatment modality for improving inflammatory skin disorders. Although there have been few pilot studies, there are a limited number of studies that investigated efficacy of DFU on refractory rosacea. OBJECTIVE: This study investigated the effect of DFU on patients with refractory rosacea. MATERIALS AND METHODS: The authors retrospectively analyzed medical records of 42 patients with refractory rosacea (erythematotelangiectatic rosacea [ETR], n = 26; papulopustular rosacea [PPR], n = 14, mixed, n = 2)...
May 9, 2018: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
Oksana Sytar, Irene Hemmerich, Marek Zivcak, Cornelia Rauh, Marian Brestic
Bioactive phenolic compounds are powerful antioxidants in traditionally used medicinal and industrial crop plants and have attracted increased interest in the last years in their application and role in non-destructive methodology for pre-screening analysis of some stress factors. In this study the qualitative target was linked with future possible applications of received data for improving non-destructive methodology as well as for improving existing knowledge regarding antioxidant content in some plant species...
May 2018: Saudi Journal of Biological Sciences
Xiang Dong Su, Irshad Ali, Madeeha Arooj, Young Sang Koh, Seo Young Yang, Young Ho Kim
Sanguisorba officinalis L. (Rosaceae) is a perennial herbaceous plant and its roots have been used as an important astringent medicine in Eastern Asian countries over many thousand years. In this phytochemical research, 23 compounds (1-23) were isolated from the roots of S. officinalis. Their chemical structures were identified by extensive spectroscopic methods, including 1D and 2D NMR experiments. The anti-inflammatory effects of extracts and isolated compounds were investigated by measuring the production of pro-inflammatory cytokine IL-12 p40, IL-6 and TNF-α in LPS-stimulated bone marrow-derived dendritic cell...
May 7, 2018: Archives of Pharmacal Research
P V Chernyshov, L Tomas-Aragones, L Manolache, A Svensson, S E Marron, A W M Evers, V Bettoli, G B Jemec, J C Szepietowski
According to results of a recent literature search performed by the European Academy of Dermatology and Venereology (EADV) Task Forces (TF) on Quality of Life and Patient Oriented Outcomes (QoL and PO) and Acne, Rosacea and Hidradenitis Suppurativa (ARHS) most of publications where health-related (HR) QoL of acne patients was studied were clinical trials. Members of the EADV TF on QoL and PO decided to detect which acne treatment has the best influence on HRQoL of acne patients. A new literature search was organized to find publications on acne treatment where the HRQoL of patients was assessed as an outcome measure...
May 5, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
Natalia Sastre, Oriol Calvete, Jessica Martínez-Vargas, Nuria Medarde, Joaquim Casellas, Laura Altet, Armand Sánchez, Olga Francino, Jacint Ventura
Myobia sp. and Demodex sp. are two skin mites that infest mice, particularly immunodeficient or transgenic lab mice. In the present study, wild house mice from five localities from the Barcelona Roberstonian system were analysed in order to detect skin mites and compare their prevalence between standard (2n = 40) and Robertsonian mice (2n > 40). We found and identified skin mites through real-time qPCR by comparing sequences from the mitochondrial 16S rRNA and the nuclear 18S rRNA genes since no sequences are available so far using the mitochondrial gene...
May 4, 2018: Parasitology Research
Mireia Alcántara Rodríguez, Andrea Angueyra, Antoine M Cleef, Tinde Van Andel
BACKGROUND: The Sierra Nevada del Cocuy-Güicán in the Colombian Andes is protected as a National Natural Park since 1977 because of its fragile páramo ecosystems, extraordinary biodiversity, high plant endemism, and function as water reservoir. The vegetation on this mountain is threatened by expanding agriculture, deforestation, tourism, and climate change. We present an ethnobotanical inventory among local farmer communities and discuss the effects of vegetation change on the availability of useful plants...
May 5, 2018: Journal of Ethnobiology and Ethnomedicine
Shiwei Sun, Yang Liu, Xiaohong Liu, Shuang Zhang, Wei Wang, Rongrong Wang, Yuxue Hou, Wei Wang
Phytochemical investigation of the ethanol extract from the roots of Spiraea salicifolia L. (Rosaceae) led to the isolation of one new neolignan glycoside, (7S,8R)-3,5-dimethoxy-4',7-epoxy-8,5'-neolignan-3',4,9,9'-tetraol 9-O-α-L-rhamnopyranoside (1), along with two known neolignan glycosides, (7S,8R)-3-methoxy-4',7-epoxy-8,5'-neolignan-3',4,9,9'-tetraol 9-O-α-L-rhamnopyranoside (2) and (7R,8S)-dihydrodehydrodiconiferyl alcohol 9'-O-β-d-glucopyranoside (3). The structural characterisations of the isolated compounds were elucidated by spectroscopic data and comparison with the literatures reported on the chemical constituents from Juniperus communis var...
May 4, 2018: Natural Product Research
Håkan Mobacken, Mats Berg, Eva Angesjö, Kari Dunér, Margareta Svensson, Ingrid Synnerstad
Rosacea is a chronic inflammatory disease with facial erythema and papulopustules. It is common in middle-aged/elderly persons and often affects self-perception and social well-being. It is generally classified into four subtypes. Improved understanding of pathophysiology has resulted in novel treatment approaches, but routine management in health care usually follows old trails. Most patients are managed in primary care. Greater attention to the reduced skin barrier, avoidance of exacerbating factors, better topicals and encouragement to topical maintenance treatment should reduce the use of oral tetracyclines...
April 24, 2018: Läkartidningen
Jae Eun Choi, Anna Di Nardo
The epidermis closely interacts with nerve endings, and both epidermis and nerves produce substances for mutual sustenance. Neuropeptides, like substance P (SP) and calcitonin gene-related protein (CGRP), are produced by sensory nerves in the dermis; they induce mast cells to release vasoactive amines that facilitate infiltration of neutrophils and T cells. Some receptors are more important than others in the generation of itch. The Mas-related G protein-coupled receptors (Mrgpr) family as well as transient receptor potential ankyrin 1 (TRPA1) and protease activated receptor 2(Par2) have important roles in itch and inflammation...
April 30, 2018: Seminars in Immunopathology
Olivier Raymond, Jérôme Gouzy, Jérémy Just, Hélène Badouin, Marion Verdenaud, Arnaud Lemainque, Philippe Vergne, Sandrine Moja, Nathalie Choisne, Caroline Pont, Sébastien Carrère, Jean-Claude Caissard, Arnaud Couloux, Ludovic Cottret, Jean-Marc Aury, Judit Szécsi, David Latrasse, Mohammed-Amin Madoui, Léa François, Xiaopeng Fu, Shu-Hua Yang, Annick Dubois, Florence Piola, Antoine Larrieu, Magali Perez, Karine Labadie, Lauriane Perrier, Benjamin Govetto, Yoan Labrousse, Priscilla Villand, Claudia Bardoux, Véronique Boltz, Céline Lopez-Roques, Pascal Heitzler, Teva Vernoux, Michiel Vandenbussche, Hadi Quesneville, Adnane Boualem, Abdelhafid Bendahmane, Chang Liu, Manuel Le Bris, Jérôme Salse, Sylvie Baudino, Moussa Benhamed, Patrick Wincker, Mohammed Bendahmane
Roses have high cultural and economic importance as ornamental plants and in the perfume industry. We report the rose whole-genome sequencing and assembly and resequencing of major genotypes that contributed to rose domestication. We generated a homozygous genotype from a heterozygous diploid modern rose progenitor, Rosa chinensis 'Old Blush'. Using single-molecule real-time sequencing and a meta-assembly approach, we obtained one of the most comprehensive plant genomes to date. Diversity analyses highlighted the mosaic origin of 'La France', one of the first hybrids combining the growth vigor of European species and the recurrent blooming of Chinese species...
April 30, 2018: Nature Genetics
Yu Han, Aoying Tang, Huihua Wan, Tengxun Zhang, Tangren Cheng, Jia Wang, Weiru Yang, Huitang Pan, Qixiang Zhang
Rosa chinensis , which is a famous traditional flower in China, is a major ornamental plant worldwide. Long-term cultivation and breeding have resulted in considerable changes in the number of rose petals, while most wild Rosaceae plants have only one whorl consisting of five petals. The petals of double flowers reportedly originate from stamens, but the underlying molecular mechanism has not been fully characterized. In this study, we observed that the number of petals of R. chinensis 'Old Blush' flowers increased and decreased in response to low- and high-temperature treatments, respectively, similar to previous reports...
2018: Frontiers in Plant Science
Miguel A Naranjo-Ortíz, Silvia Rodríguez-Píres, Rosario Torres, Antonieta De Cal, Josep Usall, Toni Gabaldón
Monilinia laxa (phylum Ascomycota ) is a plant pathogen responsible for the brown rot blossom blight disease in stone fruit trees of the Rosaceae family, such as apricots. We report here the genome sequence of strain 8L of this species, which was assembled into 618 scaffolds, having a total size of 40.799 Mb and encoding 9,567 unique protein-coding genes.
April 26, 2018: Genome Announcements
M Lova Navarro, P Sánchez-Pedreño Guillen, A M Victoria Martínez, T Martínez Menchón, R Corbalán Vélez, J Frías Iniesta
INTRODUCTION: Oral tetracyclines and topical antibiotics have been used to treat papulopustular rosacea (PPR) for years, but it is not uncommon to find patients who do not respond to this standard treatment. In such refractory cases, oral azithromycin has proven to be an effective option. MATERIAL AND METHOD: We conducted a prospective pilot study of 16 patients with PPR who were treated with oral azithromycin after a lack of response to oral doxycycline and metronidazole gel...
April 23, 2018: Actas Dermo-sifiliográficas
Ting Li, Qingwen Zeng, Xingming Chen, Guojiang Wang, Haiqing Zhang, Aihua Yu, Hairui Wang, Yang Hu
Acne rosacea is a type of chronic dermatosis with the characteristics of erubescence, angiotelectasis and pustule formation. However, current treatment methods are limited due to the side effects. Artesunate demonstrated a promising therapeutic efficacy with a high safety margin. HaCaT cells were treated with antibacterial peptide LL‑37 to simulate rosacea caused by Demodex folliculorum (D. folliculorum) infection. Cell Counting kit 8 and flow cytometry assays were performed to measure cellular proliferation, apoptosis, the stage of the cell cycle and reactive oxygen species generation in order to determine the level of cell damage...
April 16, 2018: Molecular Medicine Reports
Hai Bing Yan, Hui Jing Ma, Fan Feng, Nan Liang, Chan Shi, Xiu Qing Yang, You Zhi Han
Based on the monitoring data from the plots of Changbai Mountains in the temperate zone (CBS), Guandi Mountain in the warm temperate zone (GDS), Heishiding Mountain in the subtropical zone (HSD), we analyzed the spatial distribution of tree species from three families (Pinaceae, Fagaceae, Rosaceae) and their correlation using paired correlation function g(r). The results showed that the individual number and size class structural characteristics of the trees from the three families varied among different regions...
February 2018: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
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