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Keloid

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https://www.readbyqxmd.com/read/28346732/asiaticoside-hinders-the-invasive-growth-of-keloid-fibroblasts-through-inhibition-of-the-gdf-9-mapk-smad-pathway
#1
Xin Wu, Difei Bian, Yannong Dou, Zhunan Gong, Qian Tan, Yufeng Xia, Yue Dai
Higher expression of growth differentiation factor-9 (GDF-9) in keloids compared with hypertrophic scars and normal skin tissues has been reported recently. The present study was performed to investigate the role of GDF-9 in keloid pathogenesis, and to elucidate its implication for asiaticoside in the keloid management. The data showed that GDF-9 could enhance the proliferation, migration, and invasion of keloid fibroblasts (KFs), while it only slightly elevated collagen expression, indicating that the effect of GDF-9 was opposite to that of TGF-β1...
March 27, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28321844/keloids-on-the-ears
#2
Carolina Cabrera-Salom, Luis F González, Mariam Rolón, Boris F Sánchez
No abstract text is available yet for this article.
March 21, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28316288/donor-site-morbidities-resulting-from-conchal-cartilage-harvesting-in-rhinoplasty
#3
M Y Lan, J P Park, Y J Jang
OBJECTIVE: Conchal cartilage is frequently used in rhinoplasty, but donor site morbidity data are seldom reported. This study aimed to investigate the complications of conchal cartilage harvesting in rhinoplasty. METHODS: A retrospective chart review of 372 patients who underwent conchal cartilage harvesting for rhinoplasty was conducted. Data regarding patient demographics, types of nasal deformities, graft usage and complications were analysed. RESULTS: A total of 372 patients who underwent conchal cartilage harvesting for rhinoplasty were enrolled...
March 20, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28293527/the-use-of-silgel-stc-se-a-topical-silicone-gel-for-the-treatment-and-reduction-of-hypertrophic-and-keloid-scars
#4
Sharon A Stewart, Greig M G Dougall, Erica M Tafuro
BACKGROUND: A single-center study assessing the efficacy of Nagor's Silgel STC-SE silicone gel to reduce the appearance of hypertrophic and keloid scars. METHODS: A 16-week controlled study of 36 patients with hypertrophic or keloid scars. The subjects were divided between 2 cohorts: one assessing recently healed scars (<6 mo) and other assessing older scars (6 mo to 2 y). The efficacy of Silgel STC-SE on the scar was evaluated by skin hydration, skin moisture evaporation, skin elasticity, basic scar measurements, subjective patient questionnaire data, and image analysis...
December 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28288795/suppression-of-transforming-growth-factor-beta1-expression-in-keloids-after-cryosurgery
#5
Sara M Awad, Sahar A Ismail, Doaa S Sayed, Abeer E Refaiy, Rania Makboul
The biological mechanism underlying cryosurgical treatment of keloids remains unclear. Transforming growth factor-beta1 (TGF-β1) has been implicated in the pathogenesis of keloids and was reported to be the target of several therapeutic modalities. However, the effect of cryosurgery on its expression in keloid tissue has not been yet investigated. In this study, 26 consecutive keloid patients were treated with cryosurgery for 2-6 sessions. Keloids were biopsied before starting cryosurgery and after two treatment sessions for the immunohistochemical evaluation of TGF-β1 expression...
March 10, 2017: Cryobiology
https://www.readbyqxmd.com/read/28287424/keloid-and-hypertrophic-scars-are-the-result-of-chronic-inflammation-in-the-reticular-dermis
#6
REVIEW
Rei Ogawa
Keloids and hypertrophic scars are caused by cutaneous injury and irritation, including trauma, insect bite, burn, surgery, vaccination, skin piercing, acne, folliculitis, chicken pox, and herpes zoster infection. Notably, superficial injuries that do not reach the reticular dermis never cause keloidal and hypertrophic scarring. This suggests that these pathological scars are due to injury to this skin layer and the subsequent aberrant wound healing therein. The latter is characterized by continuous and histologically localized inflammation...
March 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28276195/nodular-colloid-milium-mimicking-keloid
#7
Seyyede Zeinab Azimi, Omid Zargari, Robert I Rudolph
Colloid milium is a rare cutaneous deposit disease that usually presents clinically by the development of yellowish translucent or flesh-colored papules or plaques on sun-exposed skin. Histologically, it is characterized by the presence of colloid in the dermal papillae. In this case report, we present a 52-year-old man who presented with a nodule on his upper lip that mistakenly was diagnosed and treated as keloid.
March 9, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28257480/site-specific-gene-expression-profiling-as-a-novel-strategy-for-unravelling-keloid-disease-pathobiology
#8
N Jumper, T Hodgkinson, R Paus, A Bayat
Keloid disease (KD) is a fibroproliferative cutaneous tumour characterised by heterogeneity, excess collagen deposition and aggressive local invasion. Lack of a validated animal model and resistance to a multitude of current therapies has resulted in unsatisfactory clinical outcomes of KD management. In order to address KD from a new perspective, we applied for the first time a site-specific in situ microdissection and gene expression profiling approach, through combined laser capture microdissection and transcriptomic array...
2017: PloS One
https://www.readbyqxmd.com/read/28244902/vibration-anesthesia-for-pain-reduction-during-intralesional-steroid-injection-for-keloid-treatment
#9
Kui Young Park, Yohan Lee, Ji Yeon Hong, Won Soon Chung, Myeung Nam Kim, Beom Joon Kim
BACKGROUND: Patients suffer significant pain during intralesional steroid injection treatment for keloids and hypertrophic scars. Vibration anesthesia has been shown to effectively and safely alleviate pain sensations, likely by reducing pain transmission from peripheral receptors to the brain. OBJECTIVE: The objective was to evaluate the efficacy, safety, and patient satisfaction associated with vibration anesthesia for reducing pain during intralesional corticosteroid injection...
February 27, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28219131/-recombinant-human-bone-morphogenetic-protein-7-inhibits-the-proliferation-and-extracellular-matrix-secretion-of-fibroblast-of-urethral-scars
#10
Y Wu, L M Ma, B Cai, H L Li, Q W Xing
Objective: To study the effect and its mechanism of recombinant human bone morphogenetic protein 7 (rhBMP-7) on urethral keloid fibroblast. Methods: Urethral fibroblasts were extracted and cultured, and the fourth-generation fibroblasts were used for experiment. Urethral fibroblasts were treated with rhBMP-7. Proliferation rate was detected by CCK-8 method. RT-PCR was applied to test changes of mRNA in α smooth muscle actin (α-SMA) and type Ⅰ collagen protein (COL-1) of each group. Western blot was used to measure α-SMA protein expression and the effect of rhBMP-7 on signaling pathway of urethral keloid fibroblasts...
February 14, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28216825/surgical-excision-and-contoured-custom-made-splint-to-treat-helical-keloid
#11
Ankita Chamaria, Reuben Fernando De Sousa, Meena Ajay Aras, Kennedy Mascarenhas
Helical keloids are difficult to treat as surgical excision requires effective compression of the operative scar to prevent recurrence while retaining the contour and elasticity of the helix. The authors fabricated a conforming custom made post-operative splint from a commonly used dental material. Splints could be fabricated in both pre-operative and post-operative stage.
September 2016: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/28195846/color-doppler-ultrasound-assessment-of-activity-in-keloids
#12
Nelson Lobos, Ximena Wortsman, Fernando Valenzuela, Faustino Alonso
BACKGROUND: The assessment of activity in keloids may be critical for defining their management. There is a lack of clinical scorings designed for the evaluation of keloids and biopsies may be contraindicated. OBJECTIVE: To assess the sonographic activity of keloids in comparison with clinical scoring. MATERIALS AND METHODS: A retrospective study of the clinical and color Doppler ultrasound (CDU) images of patients medically derived to CDU with the diagnosis of keloid was performed...
February 9, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28192879/knockdown-of-irf3-inhibits-extracellular-matrix-expression-in-keloid-fibroblasts
#13
Yi Zhang, Li Zhang, Xiao-Hua Lin, Zhi-Ming Li, Qi-Yu Zhang
Keloid is a pathologic fibro-proliferative disorder and is characterized by hyper-proliferation of fibroblasts and excess extracellular matrix (ECM) deposition. Interferon regulatory factor 3 (IRF3) is a member of the interferon-regulatory factor (IRF) family and has been shown to play a critical modulator in the progression of fibrosis. However, the function of IRF3 in dermal fibrosis remains unclear. Thus, in this study, we investigated the effects of IRF3 on keloid-derived fibroblasts (KFs) proliferation and ECM expression, and explored the underlying mechanism...
April 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28190657/cross-sectional-analysis-of-biobank-japan-clinical-data-a-large-cohort-of-200-000-patients-with-47-common-diseases
#14
Makoto Hirata, Yoichiro Kamatani, Akiko Nagai, Yutaka Kiyohara, Toshiharu Ninomiya, Akiko Tamakoshi, Zentaro Yamagata, Michiaki Kubo, Kaori Muto, Taisei Mushiroda, Yoshinori Murakami, Koichiro Yuji, Yoichi Furukawa, Hitoshi Zembutsu, Toshihiro Tanaka, Yozo Ohnishi, Yusuke Nakamura, Koichi Matsuda
BACKGROUND: To implement personalized medicine, we established a large-scale patient cohort, BioBank Japan, in 2003. BioBank Japan contains DNA, serum, and clinical information derived from approximately 200,000 patients with 47 diseases. Serum and clinical information were collected annually until 2012. METHODS: We analyzed clinical information of participants at enrollment, including age, sex, body mass index, hypertension, and smoking and drinking status, across 47 diseases, and compared the results with the Japanese database on Patient Survey and National Health and Nutrition Survey...
February 9, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28177974/optimizing-radiotherapy-for-keloids-a-meta-analysis-systematic-review-comparing-recurrence-rates-between-different-radiation-modalities
#15
Peter Mankowski, Jonathan Kanevsky, Jared Tomlinson, Alina Dyachenko, Mario Luc
BACKGROUND: The high recurrence rate of keloids has lead to the use of multiple treatment adjuncts to improve cosmetic outcomes after surgery. To date, there has been no single, standardized modality agreed upon to produce the best results. The purpose of this study was to review the radiation-based treatments (brachytherapy, electron beam and X-ray) used for keloid management and compare their outcomes. METHODS: A literature review was performed from 1942 to October 2014 using the databases: PubMed database of the National Center of Biotechnology Information, MEDLINE, Biosis, Embase, Google scholar, and Cochrane database...
February 8, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28163460/diode-laser-ear-piercing-a-novel-technique
#16
Bibilash Babu Suseela, Preethitha Babu, Ravi Kumar Chittoria, Devi Prasad Mohapatra
Earlobe piercing is a common office room procedure done by a plastic surgeon. Various methods of ear piercing have been described. In this article, we describe a novel method of laser ear piercing using the diode laser. An 18-year-old female patient underwent an ear piercing using a diode laser with a power of 2.0 W in continuous mode after topical local anaesthetic and pre-cooling. The diode laser was fast, safe, easy to use and highly effective way of ear piercing. The advantages we noticed while using the diode laser over conventional methods were more precision, minimal trauma with less chances of hypertrophy and keloids, no bleeding with coagulation effect of laser, less time taken compared to conventional method and less chance of infection due to thermal heat effect of laser...
October 2016: Journal of Cutaneous and Aesthetic Surgery
https://www.readbyqxmd.com/read/28149806/robotic-retroauricular-thyroid-surgery
#17
REVIEW
Haytham Alabbas, Daniah Bu Ali, Emad Kandil
Surgery is the gold standard treatment for patients with thyroid cancer or nodules suspicious for cancer. Open conventional approach is the standard surgical approach. However, a visible neck incision could be a concern for most young female patients, especially for patients with a history of healing with keloid or hypertrophic scars. Robotic remote access approaches have evolved into a safe and feasible approach in selected patients, providing a hidden scar with good patient satisfaction. This review will focus on the performance and safety of robotic retroauricular thyroid surgery...
December 2016: Gland Surgery
https://www.readbyqxmd.com/read/28139418/postoperative-single-dose-interstitial-high-dose-rate-brachytherapy-in-therapy-resistant-keloids
#18
C J H Hafkamp, O Lapid, R Dávila Fajardo, A L van de Kar, C Koedooder, L J Stalpers, B R Pieters
PURPOSE: Patients with keloids complain of the cosmetic aspect, pain, and pruritus. Many different therapies are being used for keloids. The aim of this study was to evaluate the recurrence rate and outcome after resection followed by a single-dose brachytherapy. METHODS AND MATERIALS: Patients treated by resection of the keloid plus a single dose of 13 Gy high-dose-rate brachytherapy were evaluated at least 1 year after treatment. Clinical response and cosmesis were assessed by a plastic surgeon and by the patients using the Patient and Observer Scar Assessment Scale...
January 27, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28138959/growing-trend-of-tattooing-and-its-complications-in-nigeria
#19
REVIEW
Olusola O Ayanlowo, Shakirat A Gold-Olufadi, Ayesha O Akinkugbe, Erere Otrofanowei, Charles N Nga, Yetunde M Olumide
Tattoo, a Polynesian word meaning 'to mark', is a form of body modification done by inserting indelible ink into the dermis to change its pigmentation. Tattoos are done for social, cultural, and religious purposes. It has been in existence since the 18th century and was associated with sailors, lower class individuals, and criminals. However, since the late 20th century, tattooing has undergone a redefinition and shifted to an acceptable form of expression all over the world, including Nigeria, cutting across almost all age groups and socioeconomic class...
January 31, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28130757/microrna-29-a-crucial-player-in-fibrotic-disease
#20
REVIEW
Zhenjun Deng, Yongjing He, Xujuan Yang, Hang Shi, Ao Shi, Lechun Lu, Li He
Fibrosis is a common pathological state characterized by the excessive accumulation of extracellular matrix components, but the pathogenesis of the disease is still not clear. Previous studies have shown that microRNA-29 (miR-29) can play pivotal roles in the regulation of a variety of organ fibrosis, including cardiac fibrosis, hepatic fibrosis, lung fibrosis, systemic sclerosis, and keloid. In this review, we outline the structure, expression, and regulation of miR-29 as well as its role in fibrotic diseases...
January 28, 2017: Molecular Diagnosis & Therapy
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