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https://www.readbyqxmd.com/read/28437853/inhibition-of-tgf-%C3%AE-signaling-promotes-expansion-of-human-epidermal-keratinocytes-in-feeder-cell-co-culture
#1
Daisuke Suzuki, Filipa Pinto, Makoto Senoo
Cultured epidermal autografts have been used worldwide since 1981 for patients with extensive third-degree burn wounds and limited skin donor sites. Despite significant progress in techniques toward improving clinical outcome of skin grafts, the long in vitro preparation time of cultured autografts has remained a major factor limiting its widespread use. Here, we show that pharmacological inhibition of TGF-β signaling promotes the expansion of human epidermal keratinocytes (HEKs) with high proliferative potential in co-cultures with both murine 3T3-J2 cells and human feeder cells, including dermal fibroblasts and preadipocytes...
April 24, 2017: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28437003/high-intensity-focused-ultrasound-for-the-treatment-of-adenomyosis-selection-criteria-efficacy-safety-and-fertility
#2
Lian Zhang, Fangwen Rao, Raymond Setzen
Adenomyosis is a disorder of uterus in which endometrial glands and stroma are present within the uterine musculature. The main clinical manifestations are dysmenorrhea and menorrhagia. Adenomyosis has a great impact on both the quality of life and fertility of women. The treatment of adenomyosis remains an immense challenge MATERIAL AND METHODS: Relevant articles were searched through MEDLINE, Pubmed between 2000 and March 2017. The search terms of adenomyosis, magnetic resonance imaging (MRI) features of adenomyosis, high intensity focused ultrasound (HIFU), Ultrasound-guided HIFU and MRgFUS were used...
April 24, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28435057/accelerated-wound-healing-capabilities-of-a-dressing-fabricated-from-silkworm-cocoon
#3
Kun Yu, Fei Lu, Qing Li, Yini Zou, Yang Xiao, Bitao Lu, Jiawei Liu, Fangying Dai, Dayang Wu, Guangqian Lan
Silk fibroin materials have shown some success in wound dressing applications; however, their use for this purpose remains limited by a complex production process and wasted sericin. In the present study, Bombyx mori cocoon materials are used because the protective function of the silkworm cocoon resembles the manner in which the skin protects the human body. A series of silkworm cocoon sol-gel film (SCSF) wound dressings are prepared by immersion in a CaCl2-ethanol-H2O solution for different treatment times...
April 20, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28434868/hif-1%C3%AE-dependent-wound-healing-angiogenesis-in%C3%A2-vivo-can-be-controlled-by-site-specific-lentiviral-magnetic-targeting-of-shp-2
#4
Yvonn Heun, Kristin Pogoda, Martina Anton, Joachim Pircher, Alexander Pfeifer, Markus Woernle, Andrea Ribeiro, Petra Kameritsch, Olga Mykhaylyk, Christian Plank, Florian Kroetz, Ulrich Pohl, Hanna Mannell
Hypoxia promotes vascularization by stabilization and activation of the hypoxia inducible factor 1α (HIF-1α), which constitutes a target for angiogenic gene therapy. However, gene therapy is hampered by low gene delivery efficiency and non-specific side effects. Here, we developed a gene transfer technique based on magnetic targeting of magnetic nanoparticle-lentivirus (MNP-LV) complexes allowing site-directed gene delivery to individual wounds in the dorsal skin of mice. Using this technique, we were able to control HIF-1α dependent wound healing angiogenesis in vivo via site-specific modulation of the tyrosine phosphatase activity of SHP-2...
April 20, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28432721/emollients-and-moisturisers-for-eczema-abridged-cochrane-systematic-review-including-grade-assessments
#5
REVIEW
E J van Zuuren, Z Fedorowicz, B W M Arents
Eczema is a chronic inflammatory skin disorder with considerable impact on quality of life. Emollients or moisturisers are widely recommended, but are these effective and safe? We searched for randomised controlled trials (RCTs) in the Cochrane Skin Group Specialised Register, CENTRAL in The Cochrane Library, Medline, Embase, LILACS, GREAT database and five trial registers to December 2015. We included 77 RCTs with 6603 participants. Seven studies (9.1%) were at low risk of bias, 34 (44.2%) at unclear and 36 (46...
April 22, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28432719/effect-of-ficus-carica-leaf-extract-on-the-gene-expression-of-selected-factors-in-hacat-cells
#6
Murat Turkoglu, Erkin Pekmezci, Songul Kilic, Cihat Dundar, Hakan Sevinc
BACKGROUND: Ficus carica Linn. (Fc), common fig, has been traditionally used for many metabolic, cardiovasculary, respiratory, gastrointestinal, and skin disorders. Several studies were performed showing its anti-inflammatory, anti-angiogenic, anticancerogenic, and tissue-protective effects. In all of those studies, the positive effects of Fc were concluded as the result of its antioxidant and anti-inflammatory features due to the polyphenols it contains. AIMS: To study the phenolic compounds of Fc extract and to investigate the molecular basis of anti-inflammatory, anti-angiogenic, antimitotic, and anti-androgenic effects of Fc leaf extract in vitro...
April 22, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28432683/prospective-evaluation-of-the-diagnostic-value-of-sensitive-kit-d816v-mutation-analysis-of-blood-in-adults-with-suspected-systemic-mastocytosis
#7
Thomas Kristensen, Hanne Vestergaard, Carsten Bindslev-Jensen, Charlotte Gotthard Mortz, Henrik Fomsgaard Kjaer, Markus Ollert, Michael Boe Møller, Sigurd Broesby-Olsen
BACKGROUND: Sensitive KIT D816V mutation analysis of blood has been proposed to guide bone marrow (BM) investigation in suspected systemic mastocytosis (SM). The aim of this prospective study was for the first time to compare the D816V-status of the "screening blood sample" used to guide BM biopsy in suspected SM to the outcome of the subsequent BM investigation. METHODS: 58 adult patients with suspected SM were included. The outcome of sensitive KIT D816V-analysis of blood was compared to the result of the BM investigation...
April 22, 2017: Allergy
https://www.readbyqxmd.com/read/28432394/-vitamin%C3%A2-d-and-uv-protection
#8
REVIEW
H Stege, T Schwarz
A high percentage of people present with reduced vitamin D3 levels. Reduced vitamin D3 levels have to be supplemented. Oral supplementation can be performed easily and without significant side effects. Because vitamin D3 can be produced in the skin via ultraviolet B (UVB) irradiation, it is possible to elevate reduced vitamin D3 levels by UVB exposure. However, UVB, which is classified as a complete carcinogen, induces skin cancer. Therefore, UVB irradiation should not be utilized to stimulate vitamin D3 synthesis...
April 21, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28430587/parkin-regulates-translesion-dna-synthesis-in-response-to-uv-radiation
#9
Xuefei Zhu, Xiaolu Ma, Yingfeng Tu, Min Huang, Hongmei Liu, Fengli Wang, Juanjuan Gong, Jiuqiang Wang, Xiaoling Li, Qian Chen, Hongyan Shen, Shu Zhu, Yun Wang, Yang Liu, Caixia Guo, Tie-Shan Tang
Deficiency of Parkin is a major cause of early-onset Parkinson's disease (PD). Notably, PD patients also exhibit a significantly higher risk in melanoma and other skin tumors, while the mechanism remains largely unknown. In this study, we show that depletion of Parkin causes compromised cell viability and genome stability after ultraviolet (UV) radiation. We demonstrate that Parkin promotes efficient Rad18-dependent proliferating cell nuclear antigen (PCNA) monoubiquitination by facilitating the formation of Replication protein A (RPA)-coated ssDNA upon UV radiation...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430393/invited-commentary-in-vivo-cutaneous-malignancy-diagnosis-using-mitochondrial-imaging
#10
Lindsay C Strowd
A recent study by Pouli et al. (2016) published in Science Translational Medicine used an elegant set of experiments to demonstrate the ability of mitochondrial monitoring to distinguish skin cancer cells from healthy tissue in vivo. This study reveals important implications regarding the future of real-time malignancy detection (Pouli 2016). Skin cancers represent the vast majority of human malignancy, with the current estimated incidence of 4.5 million cases per year in the United States alone (Centers for Disease Control 2017)...
April 21, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28429540/silencing-of-astrocyte-elevated-gene-1-inhibits-proliferation-and-migration-and-induces-apoptosis-in-melanoma
#11
Yue Zhang, Ge Peng, Ying Wang, Lixia Cui, Wenqing Wu, Luan Wang, Chengyu Liu, Xiuping Han
Melanoma is an aggressive skin malignancy with a high mortality. Astrocyte elevated gene-1 (AEG-1), a downstream target of ras and c-myc, has been implicated in the development of multiple tumors, yet its role in melanoma remains unclear. In the present study, the role of AEG-1 in melanoma was explored through AEG-1 silencing. Our results showed that silencing of AEG-1 inhibited proliferation of melanoma cells and induced cell cycle arrest, accompanied by reduced levels of cyclinA, cyclinB, cyclinD1, cyclinE and cyclin dependent kinase 2...
April 21, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28429472/transoral-orthodromic-temporalis-muscle-transfer-technique-for-the-paralysed-midface-our-learning-curve-experience-from-the-first-10-cases
#12
Lepa Lazarova, Tristram H Lesser, Samuel C Leong
Sir Harold Gillies first described rotating a band of temporalis muscle over the zygoma where the muscle sling was augmented with strips of fascia lata to rehabilitate facial paralysis (1) . McLaughlin later modified this technique in the 1950s without inversion of the temporal muscle but in an orthodromic manner thus avoiding the soft tissue fullness over the zygomatic arch area and depression of the donor site (2) . Although several refinements of this technique have been described, all required skin incisions on the face until a transoral technique was described recently by this clinical group (3) ...
April 21, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28427959/beneficial-effects-of-heparin-and-l-arginine-on-dermonecrosis-effect-induced-by-vipera-lebetina-venom-involvement-of-no-in-skin-regeneration
#13
Nouara Bennacef-Heffar, Fatima Laraba-Djebari
It is well known that snake venoms such as Viperidae caused severe local effects such as hemorrhage, myonecrosis and dermonecrosis which can lead to permanent tissue loss or the disability. The aim of this study is to evaluate the skin regeneration using heparin and l-arginine as well as the dermonecrotic effects induced by Vipera lebetina venom (VLV). To better understand the toxic effects induced by VLV and to prevent or treat these effects, we evaluate the local effects and the skin regeneration with or without drugs...
April 17, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28427297/the-effect-of-moisture-content-within-multilayer-protective-clothing-on-protection-from-radiation-and-steam
#14
Yun Su, Jun Li, Guowen Song
The moisture from skin sweat and atmospheric water affects thermal protective performance provided by multilayer protective clothing. Four levels of moisture content were selected to evaluate the impact of moisture on thermal protection under dry (thermal radiation) and wet (thermal radiation and low-pressure steam) heat exposure. Also, the role of moisture and its relationship with exposure time were analyzed based on skin heat flux and Henriques integral value. It was found that the addition of moisture to a fabric system results in differences in second---- and third-degree skin burn times...
April 21, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
https://www.readbyqxmd.com/read/28426906/measuring-the-impact-of-dermatological-conditions-on-family-and-caregivers-a-review-of-dermatology-specific-instruments
#15
REVIEW
F Sampogna, A Y Finlay, S S Salek, P Chernyshov, F J Dalgard, A W M Evers, D Linder, L Manolache, S E Marron, F Poot, S Spillekom-van Koulil, Å Svensson, J C Szepietowski, L Tomas-Aragones, D Abeni
The patient is the centre of a web of relationships and the impact of his/her disease on family members and caregivers must be taken into account. The aim of this study was to identify the specific instruments that measure the impact of a dermatological disease on the quality of life (QoL) of family members, by performing a systematic search of the literature. Fifteen papers were identified, describing the creation and validation of nine instruments. Four of them concerned atopic dermatitis (Dermatitis Family Index, DFI; Parents' Index QoL Atopic Dermatitis, PiQoL-AD; QoL in Primary Caregivers of children with Atopic Dermatitis, QPCAD; Childhood Atopic Dermatits Impact Scale, CADIS), two measured the impact of psoriasis in family members (Psoriasis Family Index, PFI; FamilyPso), one the impact of epidermolysis bullosa (Epidermolysis Bullosa Burden of Disease, EB-BoD), one of ichthyosis (Family Burden Ichthyosis, FBI), and one was generic for dermatological conditions (Family Dermatology Life Quality Index, FDLQI)...
April 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28426905/acantholytic-dyskeratotic-acanthoma-a-possible-skin-adverse-event-of-vemurafenib-treatment
#16
Takaya Komori, Atsushi Otsuka, Yo Kaku, Tetsuya Honda, Kenji Kabashima
Acantholytic dyskeratotic acanthoma (ADA) is a solitary small papule that is pathologically characterized by dyskeratosis with acantholytic acanthosis (1). Vemulafenib is a specific inhibitor of BRAF protein kinase with V600E mutation and is administered to treat metastatic melanoma. Various skin adverse events associated with vemurafenib, including acantholysis and flare up of Darier's disease, have been reported (2, 3). Here we report a case of ADA that developed during vemulafenib treatment for metastatic melanoma...
April 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28426900/videodermoscopy-supports-the-diagnosis-of-eyelash-trichotillomania
#17
M Sławińska, A Opalska, D Mehrholz, M Sobjanek, R Nowicki, W Barańska-Rybak
37-year-old woman presented with extensive erythematous and ulcerative eruptions on the face and chest with concomitant isolated eyelash alopecia. Skin problems started during adolescence; eyelash loss several years before hospital admission. This article is protected by copyright. All rights reserved.
April 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28426893/diffuse-normolipemic-plane-xanthoma-on-striae
#18
C Baykal, Z Yılmaz, N Büyükbabani
Diffuse normolipemic plane xanthoma (DNPX) is a rare skin disorder characterized by the presence of symmetric, asymptomatic, flat, yellow plaques of different size.(1) As it is commonly located on the eyelids, xanthelesma may be a differential diagnostic consideration, but the lesions of DNPX are usually larger and other parts of the face, neck, flexural folds and trunk may also be involved.(1) This article is protected by copyright. All rights reserved.
April 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28425260/the-efficacy-of-microphototherapy-with-a-medlight-cupcubegrimed-device-in-psoriatic-patients-with-localized-lesions
#19
Neslihan Yildirim, Gül Erkin
BACKGROUND/AIM: Psoriasis is a chronic skin disease. To reduce side effects associated with current treatment modalities, new treatment methods are required. Some clinicians have begun to use microphototherapy to treat psoriatic patients with a limited number of lesions (lesions affecting <10% of the body surface area). MATERIALS AND METHODS: Microphototherapy is indicated in patients whose lesions persist despite systemic and topical treatment or when such treatment is contraindicated...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28425257/role-of-hygienic-factors-in-the-etiology-of-allergic-disorders-in-children
#20
Şule Yeşil, Ahmet Kan, Olkar Abdulmajed, Arzu Bakirtaş, Nedim Sultan, Sadık M Demirsoy
BACKGROUND/AIM: We investigated the role of body flora and chronic inflammatory infections in the etiology of allergic disorders in Turkish children. MATERIALS AND METHODS: Forty pediatric asthma patients with positive skin prick tests and 40 age-matched healthy subjects with negative skin prick tests were enrolled in this cross-sectional study. Serum H. pylori IgG, viral hepatitis serology, IL-10, and TGF-beta levels were measured. Stool and throat cultures were taken and tested for occurrence of microorganisms...
April 18, 2017: Turkish Journal of Medical Sciences
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