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https://www.readbyqxmd.com/read/28926877/-clinical-effects-of-repair-of-wounds-in-fingers-after-electrical-burn-with-wrist-perforator-free-flaps
#1
H P Di, C D Xia, P P Xing, Q Li, D W Han, J D Xue, D Y Cao
Objective: To explore the clinical effects of repair of wounds in the fingers after electrical burn with wrist perforator free flaps. Methods: Twelve patients (13 fingers) with electrical burn were hospitalized in our burn ward from January 2016 to January 2017. After radical debridement, the size of wounds ranged from 5.0 cm×2.0 cm to 10.0 cm×7.0 cm. Wounds with size below or equal to 6.0 cm ×2.5 cm were repaired with free flaps based on the superficial palmar branch of radial artery, with flap area ranging from 2...
September 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28926875/-effects-of-perforator-flaps-combined-with-muscle-flaps-for-repairing-grade-%C3%A2-pressure-ulcers-in-ischial-tuberosity-of-elderly-patients
#2
W G Su, D P Li, P P Xing, L G Xu, F C Shi, B Wen, X H Niu
Objective: To explore effects of perforator flaps combined with muscle flaps for repairing grade Ⅳ pressure ulcers in ischial tuberosity of elderly patients. Methods: Nine elderly patients with grade Ⅳ pressure ulcers in ischial tuberosity were hospitalized in our burn ward from April 2014 to April 2017. Size of wounds ranged from 5 cm×3 cm to 12 cm×7 cm, and depth of sinus ranged from 6 to 22 cm. After admission, emergency debridement or debridement in selective time was performed. After debridement, the wounds were treated with continuous vacuum assisted closure therapy...
September 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28925493/repair-and-sensory-reconstruction-of-the-children-s-finger-pulp-defects-with-perforator-pedicled-propeller-flap-in-proper-digital-artery
#3
S-M Feng, A-G Wang, Z-Y Zhang, Q-Q Sun, Y-L Tao, M-M Zhou, Y-J Hao
OBJECTIVE: This study was designed to investigate the clinical effects of adopting perforator pedicled propeller flap in the proper digital artery for treatment and sensory reconstruction of finger pulp defects in children. PATIENTS AND METHODS: Perforator pedicled propeller flap of proper digital arteries in thirty-one fingers from twenty-three children patients were selected for repairing the pulp defects on the 2nd to the 5th fingers. All cases were treated from September 2012 to December 2013...
August 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28919362/a-homozygote-trex1-mutation-in-two-siblings-with-different-phenotypes-chilblains-and-cerebral-vasculitis
#4
Rabia Miray Kisla Ekinci, Sibel Balci, Atil Bisgin, Derya Ufuk Altintas, Mustafa Yılmaz
Three prime repair exonuclease 1 degrades single and double stranded DNA with 3'-5' nuclease activity and its mutations are related to type 1 IFN mediated autoinflammation due to accumulated intracellular nucleic acids. To date, several cases of systemic lupus erythematosus, Aicardi-Goutieres syndrome, familial chilblain lupus, retinal vasculopathy-cerebral leukodystrophy have been reported with TREX1 mutations. Chilblain lupus is a skin disease characterized by blue-reddish coloring, swelling or ulcers on acral regions of body such as fingertips, heels, nose and auricles...
September 12, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28916996/successive-release-of-tissue-inhibitors-of-metalloproteinase-1-through-graphene-oxide-based-delivery-system-can-promote-skin-regeneration
#5
Cheng Zhong, Dike Shi, Yixiong Zheng, Peter J Nelson, Qi Bao
The purpose of this study was to testify the hypothesis that graphene oxide (GO) could act as an appropriate vehicle for the release of tissue inhibitors of metalloproteinase-1 (TIMP-1) protein in the context of skin repair. GO characteristics were observed by scanning electron microscopy, atomic force microscopy, and thermal gravimetric analysis. After TIMP-1 absorbing GO, the release profiles of various concentrations of TIMP-1 from GO were compared. GO biocompatibility with fibroblast viability was assessed by measuring cell cycle and apoptosis...
September 15, 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28915235/transamniotic-stem-cell-therapy-trascet-a-novel-strategy-for-the-prenatal-management-of-congenital-anomalies
#6
REVIEW
Dario O Fauza
Transamniotic Stem Cell Therapy, or TRASCET, is an emerging therapeutic concept for the management of congenital anomalies based on the augmentation of the biological role of select populations of stem cells that already occur in the amniotic fluid, for targeted therapeutic benefit. Amniotic fluid-derived mesenchymal stem cells (afMSCs) play a central role in the enhanced ability of the fetus to repair tissue damage. This germane recent finding constitutes the biological foundation for the use of afMSCs in TRASCET...
September 15, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28914704/rectoneovaginal-fistula-in-a-transgender-woman-successfully-repaired-using-a-buccal-mucosa-graft
#7
Molly Abbott Elmer-DeWitt, Hadley M Wood, Tracy Hull, Cecile A Unger
BACKGROUND: Rectoneovaginal fistulae (RnVFs) are abnormal connections between the rectum and a surgically created neovagina. Although very uncommon, they confer significant morbidity in patients and may require a multidisciplinary team approach to the repair. Risk factors for RnVF include rectal injury at the time of neovaginoplasty, malignancy in the neovagina, trauma (iatrogenic or otherwise), radiation, and neovaginal revision surgery. CASE DESCRIPTION: The patient is a 64-year-old transgender woman with recurrent RnVF following penile skin inversion neovaginoplasty, which was complicated by an intraoperative rectal injury...
September 13, 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28914336/patterns-of-cutaneous-nerve-fibre-loss-and-regeneration-in-type-2-diabetes-with-painful-and-painless-polyneuropathy
#8
Gidon J Bönhof, Alexander Strom, Sonja Püttgen, Bernd Ringel, Jutta Brüggemann, Kálmán Bódis, Karsten Müssig, Julia Szendroedi, Michael Roden, Dan Ziegler
AIMS/HYPOTHESIS: The determinants and mechanisms of the development of diabetic sensorimotor polyneuropathy as a painful (DSPN+p) or painless (DSPN-p) entity remain unclear. We examined the degree of cutaneous nerve fibre loss and regeneration in individuals with type 2 diabetes with DSPN+p or DSPN-p compared with individuals with recent-onset type 2 diabetes and corresponding healthy volunteers. METHODS: In this cross-sectional study, skin biopsies taken from the distal lateral calf were obtained from individuals with recent-onset type 2 diabetes (n = 32) from the German Diabetes Study, with DSPN+p (n = 34) and DSPN-p (n = 32) from the PROPANE study, and volunteers with normal glucose tolerance (n = 50)...
September 15, 2017: Diabetologia
https://www.readbyqxmd.com/read/28904904/scrotal-reconstruction-and-testicular-prosthetics
#9
REVIEW
Jacob W Lucas, Kyle M Lester, Andrew Chen, Jay Simhan
Scrotal surgery encompasses a wide-variety of surgical techniques for an even wider variety of indications. In this manuscript, we review our indications, techniques, and pit-falls for various reconstructive scrotal surgeries as-well-as surgical tips for placement of testicular prostheses. Penoscrotal webbing (PSW) is an abnormal, often-problematic distal insertion of scrotal skin onto the ventral penile shaft. There are several effective and straightforward techniques used to revise this condition, which include simple scrotoplasty, single- or double-Z-plasty, or the VY-flap scrotoplasty...
August 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28899689/enhanced-expression-of-genes-related-to-xenobiotic-metabolism-in-the-skin-of-patients-with-atopic-dermatitis-but-not-with-ichthyosis-vulgaris
#10
Stefan Blunder, Sulev Kõks, Gea Kõks, Ene Reimann, Hubert Hackl, Robert Gruber, Verena Moosbrugger-Martinz, Matthias Schmuth, Sandrine Dubrac
Previous transcriptome analyses underscored the importance of immunological and skin barrier abnormalities in atopic dermatitis (AD). We sought to identify novel pathogenic pathways involved in AD by comparing the transcriptomes of AD patients stratified for filaggrin (FLG) null mutations to those of both healthy donors and patients with ichthyosis vulgaris (IV). We applied RNA-sequencing to analyze the whole transcriptome of nonlesional skin. Six-hundred and seven genes (476 up-regulated and 131 down-regulated by greater than 2-fold) and one-hundred and ninety-three genes (172 up-regulated and 21 down-regulated by greater than 2-fold) were differentially expressed when all AD or IV patients were compared to healthy donors, respectively...
September 9, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28899684/glycoprotein-non-melanoma-clone-b-regulates-the-crosstalk-between-macrophages-and-mesenchymal-stem-cells-towards-wound-repair
#11
Bing Yu, Talib Alboslemy, Fayez Safadi, Min-Ho Kim
The process of wound repair requires the coordinated participation of multiple types of cells, which are sequentially recruited during the healing process. In response to tissue injury, both macrophages and mesenchymal stem cells (MSCs) are recruited to the site of injury, where they participate in the repair process. Despite considerable understanding on the role of each cell type in the process of wound repair, the nature of the dynamic interplay between these two cell types and how this interaction influences the process of wound repair are not well understood...
September 9, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28895956/atopic-dermatitis-skin-care-and-topical-therapies
#12
David M Fleischer, Jeremy Udkoff, Jenna Borok, Adam Friedman, Noreen Nicol, Jeffrey Bienstock, Peter Lio, Megha M Tollefson, Lawrence F Eichenfield
Atopic dermatitis (AD) pathogenesis is strongly influenced by Type 2 innate lymphoid cell and T-helper cell type 2 lymphocyte-driven inflammation and skin barrier dysfunction. AD therapies attempt to correct this pathology, and guidelines suggest suggest basics of AD therapy, which include repair of the skin barrier through bathing practices and moisturizers, infection control, and further lifestyle modifications to avoid and reduce AD triggers.While some patients' AD may be controlled using these measures, inflammatory eczema including acute flares and maintenance therapy in more severe patients are treated with topical pharmacologic agents such as topical corticosteroids, topical calcineurin inhibitors, and, more recently, topical PDE-4 inhibitors...
September 2017: Seminars in Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28894084/tbx3-dependent-amplifying-stem-cell-progeny-drives-interfollicular-epidermal-expansion-during-pregnancy-and-regeneration
#13
Ryo Ichijo, Hiroki Kobayashi, Saori Yoneda, Yui Iizuka, Hirokazu Kubo, Shigeru Matsumura, Satsuki Kitano, Hitoshi Miyachi, Tetsuya Honda, Fumiko Toyoshima
The skin surface area varies flexibly in response to body shape changes. Skin homeostasis is maintained by stem cells residing in the basal layer of the interfollicular epidermis. However, how the interfollicular epidermal stem cells response to physiological body shape changes remains elusive. Here, we identify a highly proliferative interfollicular epidermal basal cell population in the rapidly expanding abdominal skin of pregnant mice. These cells express Tbx3 that is necessary for their propagation to drive skin expansion...
September 11, 2017: Nature Communications
https://www.readbyqxmd.com/read/28893156/erythrosine-b-and-quinoline-yellow-dyes-regulate-dna-repair-gene-expression-in-human-hepg2-cells
#14
Farah Md Chequer, Vinicius P Venancio, Mara R Almeida, Alexandre F Aissa, Maria Lourdes P Bianchi, Lusânia Mg Antunes
Erythrosine B (ErB) is a cherry pink food colorant and is widely used in foods, drugs, and cosmetics. Quinoline yellow (QY) is a chinophthalon derivative used in cosmetic compositions for application to the skin, lips, and/or body surface. Previously, ErB and QY synthetic dyes were found to induce DNA damage in HepG2 cells. The aim of this study was to investigate the molecular basis underlying the genotoxicity attributed to ErB and QY using the RT(2) Profiler polymerase chain reaction array and by analyzing the expression profile of 84 genes involved in cell cycle arrest, apoptosis, and DNA repair in HepG2 cells...
January 1, 2017: Toxicology and Industrial Health
https://www.readbyqxmd.com/read/28892018/antioxidant-artemisia-princeps-extract-enhances-the-expression-of-filaggrin-and-loricrin-via-the-ahr-ovol1-pathway
#15
Akiko Hirano, Masashi Goto, Tsukasa Mitsui, Akiko Hashimoto-Hachiya, Gaku Tsuji, Masutaka Furue
The Japanese mugwort, Artemisia princeps (yomogi in Japanese), has anti-inflammatory and antioxidant effects. Skin care products containing Artemisia princeps extract (APE) are known to improve dry skin symptoms in atopic dermatitis. Atopic dry skin is associated with a marked reduction of skin barrier proteins, such as filaggrin (FLG) and loricrin (LOR). Recently, aryl hydrocarbon receptor (AHR), and its downstream transcription factor OVO-like 1 (OVOL1), have been shown to regulate the gene expression of FLG and LOR...
September 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28888216/vitamin-b-derivative-nicotinamide-appears-to-reduce-skin-cancer-risk
#16
S Nazarali, P Kuzel
Nicotinamide, an amide form of vitamin B3, has shown the potential to treat a variety of dermatological conditions, including acne, rosacea, and atopic dermatitis. Recent studies have demonstrated the role of nicotinamide, in both topical and oral forms, as a chemopreventive agent against skin cancer. Its anti-carcinogenic role may be due to its ability to enhance DNA repair and prevent ultraviolet (UV)-induced immunosuppression, which is known to contribute to the progression of pre-malignant lesions. Furthermore, nicotinamide is a precursor of essential coenzymes for many important reactions in the body, including the production of nicotinamide adenine dinucleotide (NAD)...
September 2017: Skin Therapy Letter
https://www.readbyqxmd.com/read/28887870/activation-of-nlrp3-signaling-accelerates-skin-wound-healing
#17
Hiroyasu Ito, Ayumu Kanbe, Hiroyasu Sakai, Mitsuru Seishima
The process of skin wound healing involves the following three steps: inflammation, tissue formation, and tissue remodeling. These optimal steps are required for the development of normal wound healing. Recent reports demonstrated that inflammasomes are involved in the innate immune response. In the present study, we examined whether the activation of inflammasomes affects the process of skin wound repair. The skin wound repair model was established using wild-type (WT), NACHT, LRR and PYD domains-containing protein 3 (NALP3) knockout (KO) and ASC-KO mice...
September 8, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28882678/rna-interference-mediated-knockdown-of-sirt1-and-or-sirt2-in-melanoma-identification-of-downstream-targets-by-large-scale-proteomics-analysis
#18
Melissa J Wilking-Busch, Mary A Ndiaye, Xiaoqi Liu, Nihal Ahmad
Melanoma is the most notorious and fatal of all skin cancers and the existing treatment options have not been proven to effectively manage this neoplasm, especially the metastatic disease. Sirtuin (SIRT) proteins have been shown to be differentially expressed in melanoma. We have shown that SIRTs 1 and 2 were overexpressed in melanoma and inhibition of SIRT1 imparts anti-proliferative responses in human melanoma cells. To elucidate the impact of SIRT 1 and/or 2 in melanoma, we created stable knockdowns of SIRTs 1, 2, and their combination using shRNA mediated RNA interference in A375 human melanoma cells...
September 4, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28879183/deep-sequencing-transcriptome-analysis-of-murine-wound-healing-effects-of-a-multicomponent-multitarget-natural-product-therapy-tr14
#19
Georges St Laurent, Bernd Seilheimer, Michael Tackett, Jianhua Zhou, Dmitry Shtokalo, Yuri Vyatkin, Maxim Ri, Ian Toma, Dan Jones, Timothy A McCaffrey
Wound healing involves an orchestrated response that engages multiple processes, such as hemostasis, cellular migration, extracellular matrix synthesis, and in particular, inflammation. Using a murine model of cutaneous wound repair, the transcriptome was mapped from 12 h to 8 days post-injury, and in response to a multicomponent, multi-target natural product, Tr14. Using single-molecule RNA sequencing (RNA-seq), there were clear temporal changes in known transcripts related to wound healing pathways, and additional novel transcripts of both coding and non-coding genes...
2017: Frontiers in Molecular Biosciences
https://www.readbyqxmd.com/read/28878258/oxidative-damage-and-impairment-of-protein-quality-control-systems-in-keratinocytes-exposed-to-a-volatile-organic-compounds-cocktail
#20
Marlène Dezest, Mickael Le Bechec, Laurent Chavatte, Valérie Desauziers, Benoît Chaput, Jean-Louis Grolleau, Pascal Descargues, Carine Nizard, Sylvianne Schnebert, Sylvie Lacombe, Anne-Laure Bulteau
Compelling evidence suggests that volatile organic compounds (VOCs) have potentially harmful effects to the skin. However, knowledge about cellular signaling events and toxicity subsequent to VOC exposure to human skin cells is still poorly documented. The aim of this study was to focus on the interaction between 5 different VOCs (hexane, toluene, acetaldehyde, formaldehyde and acetone) at doses mimicking chronic low level environmental exposure and the effect on human keratinocytes to get better insight into VOC-cell interactions...
September 6, 2017: Scientific Reports
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