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https://www.readbyqxmd.com/read/28106913/efficacy-of-50%C3%A2-hz-electromagnetic-fields-on-human-epidermal-stem-cell-transplantation-seeded-in-collagen-sponge-scaffolds-for-wound-healing-in-a-murine-model
#1
Wen-Fang Bai, Wei-Cheng Xu, Hong-Xiang Zhu, Hong Huang, Bo Wu, Ming-Sheng Zhang
To explore the possible efficacy of electromagnetic fields (EMF) for skin tissue engineering, effects of EMF exposure on epidermal stem cells (ESC) seeded in collagen sponge scaffolds for wound healing in a murine model were investigated. The wound models of a full-thickness defect established with 36 7 ∼ 8-week-old nude mice were randomly divided into three groups: a control group, an ESC-only group, and an ESC with EMF exposure group (frequency of 50 Hz, magnetic induction of 5 mT, 60 min per day for 20 days)...
January 20, 2017: Bioelectromagnetics
https://www.readbyqxmd.com/read/28095555/megasessions-for-robotic-hair-restoration
#2
Joa O Carlos Pereira, Joa O Carlos Pereira Filho, Joa O Pedro Cabrera Pereira
A robotic system can select and remove individual hair follicles from the donor area with great precision and without fatigue. This report describes the use of the robotic system in a megasession for hair restoration. Patients were instructed to cut their hair to 1.0 to 1.2 mm before surgery. The robot selected and removed 600 to 800 grafts per hour so the follicular units (FU)s could be transplanted manually to recipient sites. The robot arm consists of a sharp inner punch and a blunt outer punch which together separate FUs from the sur- rounding tissue...
November 1, 2016: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28061966/new-treatments-for-hair-loss
#3
S Vañó-Galván, F Camacho
The treatment of hair loss is an important part of clinical dermatology given the prevalence of the problem and great impact on patients' quality of life. Many new treatments have been introduced in recent years. This review summarizes the main ones in 4 groups: a) For androgenetic alopecia, we discuss new excipients for oral minoxidil, dutasteride, and finasteride as well as new forms of topical application; prostaglandin agonists and antagonists; low-level laser therapy; and regenerative medicine with Wnt signaling activators and stem cell therapy...
January 3, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28060174/commentary-on-association-between-scalp-laxity-elasticity-and-glidability-and-donor-strip-scar-width-in-hair-transplantation-and-a-new-elasticity-measuring-method
#4
Robert M Bernstein
No abstract text is available yet for this article.
December 29, 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28045822/fabrication-of-an-orbital-prosthesis-combined-with-eyebrow-transplantation
#5
Banu Karayazgan-Saracoglu, Azimet Ozdemir
Fabrication of an orbital prosthesis is considered as a challenging procedure as compared to the other facial prosthesis due to the presence of inactive eye movements and the need of artificial hair in order to mimic eyelashes and eyebrows. Generally these structures are sewed or bonded in the silicone. However, deformation or hair loss is observed within time. This deformation is visible especially in the eyebrow. This clinical report represents a patient with an implant supported orbital prosthesis. Patient was not satisfied with the nature of her eyebrow that was sewed in the silicone...
December 30, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28042321/pre-vascularization-enhances-therapeutic-effects-of-human-mesenchymal-stem-cell-sheets-in-full-thickness-skin-wound-repair
#6
Lei Chen, Qi Xing, Qiyi Zhai, Mitchell Tahtinen, Fei Zhou, Lili Chen, Yingbin Xu, Shaohai Qi, Feng Zhao
Split thickness skin graft (STSG) implantation is one of the standard therapies for full thickness wound repair when full thickness autologous skin grafts (FTG) or skin flap transplants are inapplicable. Combined transplantation of STSG with dermal substitute could enhance its therapeutic effects but the results remain unsatisfactory due to insufficient blood supply at early stages, which causes graft necrosis and fibrosis. Human mesenchymal stem cell (hMSC) sheets are capable of accelerating the wound healing process...
2017: Theranostics
https://www.readbyqxmd.com/read/28029476/a-murine-model-of-orthotopic-periorbital-subunit-transplantation
#7
Bowen Gao, Bin Li, Xinxin Li, Jinhong Bae, Kaiyan Xiao, Qingfeng Li, Hainan Zhu
BACKGROUND: Conventional reconstructive methods fail to achieve satisfactory results in total eyelid defect cases. Vascularized composite tissue allotransplantation might provide both good appearance and function for these patients. We developed an orthotopic periorbital transplantation model in rats to facilitate further experimentation in this field. METHODS: In anatomical studies, the vascular distribution to and innervation of the periorbital unit were identified and recorded...
October 28, 2016: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28005630/association-between-scalp-laxity-elasticity-and-glidability-and-donor-strip-scar-width-in-hair-transplantation-and-a-new-elasticity-measuring-method
#8
Jae Hyun Park
BACKGROUND: Hair transplantation requires precise evaluation of donor site laxity, elasticity, and glidability. OBJECTIVE: The purpose of this study was to examine the relationship between donor strip scar width and preoperative laxity, elasticity, and glidability. MATERIALS AND METHODS: Preoperative measurements of scalp laxity, elasticity, and glidability and of donor site scar width 10 months postoperatively were evaluated in 88 patients who underwent hair transplantation with strip harvesting...
December 21, 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28004257/literature-review-of-cosmetic-procedures-in-men-approaches-and-techniques-are-gender-specific
#9
REVIEW
Brandon E Cohen, Sameer Bashey, Ashley Wysong
The proportion of men receiving non-surgical cosmetic procedures has risen substantially in recent years. Various physiologic, anatomic, and motivational considerations differentiate the treatments for male and female patients. Nevertheless, research regarding approaches to the male cosmetic patient is scarce. We sought to provide an overview and sex-specific discussion of the most popular cosmetic dermatologic procedures pursued by men by conducting a comprehensive literature review pertaining to non-surgical cosmetic procedures in male patients...
December 21, 2016: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28003975/preoperative-evaluation-and-outcome-of-corneal-transplantation-for-limbal-dermoids-a-ten-year-follow-up-study
#10
Meng Xin, Yue-Rong Gong, Shan-Hao Jiang, Chun-Hua Dai, Su-Xia Li, Wei-Yun Shi
AIM: To summarize preoperative evaluation and outcome of corneal transplantation for limbal dermoids for ten years. METHODS: Eighty-five patients diagnosed with limbal dermoids and treated with corneal transplantation were analyzed retrospectively. All patients were further divided into two groups according to absence or presence of neovascularization surrounding the dermoids in the corneal stroma. Eighty-two eyes were treated with tumor excision combined with partial lamellar sclerokeratoplasty, and the other three eyes were performed by penetrating keratoplasty...
2016: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28001323/prenatal-transplantation-of-epidermal-neural-crest-stem-cells-in-malformation-of-cortical-development-mouse-model
#11
Ameneh Omidi, Mohammad Akbari, Keywan Mortezaee, Ehsan Eqlimi, Cordian Beyer, Adib Zendedel, Iraj Ragerdi Kashani
Prenatal interventions may offer an immense opportunity in therapeutic protocols of malformations of cortical development (MCD). Epidermal neural crest stem cells (EPI-NCSCs) of the hair follicle bulge exhibit features of both embryonic and adult stem cells; these cells maintain their neurologic differentiation capability because of their neural crest origin. However, it is unknown if prenatal use of EPI-NCSCs could be beneficial in targeting methylazoxymethanol (MAM)-induced MCD, which further addressed in the present work...
December 21, 2016: Microscopy Research and Technique
https://www.readbyqxmd.com/read/27966334/study-of-mouse-induced-pluripotent-stem-cell-transplantation-intowistar-albino-rat-cochleae-after-hair-cell-damage
#12
Mustafa Kürşat Gökcan, Selçuk Mülazimoğlu, Emre Ocak, Pınar Can, Murat Çalışkan, Ömer Beşaltı, Serpil Dizbay Sak, Gülşah Kaygusuz
BACKGROUND/AIM: As the regeneration capacity of hair cells is limited, inner ear stem cell therapies hold promise. Effects of mouse induced pluripotent stem cells (IPSCs) on Wistar albino rats (WARs) with hearing impairment were investigated. MATERIALS AND METHODS: Thirty-five adult WARs with normal hearing were divided into 4 groups. Excluding the study group (n = 15), the other three groups served as control groups for ototoxicity and IPSC injection models. IPSC injections were performed via cochleostomy after a retroauricular approach...
November 17, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/27904182/comparative-study-of-efficacy-of-epidermal-melanocyte-transfer-versus-hair-follicular-melanocyte-transfer-in-stable-vitiligo
#13
Navya Donaparthi, Ajay Chopra
BACKGROUND: Vitiligo surgery has come up a long way from punch skin grafts to epidermal cell suspension and latest to the extracted hair follicle outer root sheath cell suspension (EHFORSCS) transplantation. The progressive development from one technique to the other is always on a quest for the best. In the latest development, EHFORSCS, which is an enriched source of follicular inactive melanocyte (melanocyte stem cells), seems to be a good addition to the prevailing cell-based therapies for vitiligo...
November 2016: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/27892611/towards-a-bacterial-treatment-for-armpit-malodour
#14
Chris Callewaert, Jo Lambert, Tom Van de Wiele
Axillary malodour is a frustrating condition for many people. It can lead to significant discomforts and various psychological effects. The underarm microbiome generally plays a major role in axillary malodour formation. Not only the bacteria on the armpit epidermis, but especially those living in the sweat glands, sweat pores and hair follicles play a pivotal role in malodour development. In order to treat underarm malodour, this viewpoint paper envisions a bacterial treatment. Replacing the autochthonous malodour causing microbiome with a non-odour causing microbiome, through an armpit bacterial transplantation or direct application of probiotics/non-odour causing bacteria could resolve the condition...
November 28, 2016: Experimental Dermatology
https://www.readbyqxmd.com/read/27853485/study-on-the-efficacy-of-platelet-rich-fibrin-matrix-in-hair-follicular-unit-transplantation-in-androgenetic-alopecia-patients
#15
Sandeep Mahapatra, Dhruva Kumar, Vignesh Subramanian, Swarup K Chakrabarti, Kaushik D Deb
Objective: Hair loss is a significant problem worldwide. The most common cause of hair loss in men is male androgenetic alopecia, male pattern baldness, which is primarily due to the presence of nonfunctional or dead hair follicles in the scalp. Hair follicular unit transplantation has been a widely used technique to transplant hair follicles into bald areas. Although follicular unit transplantation generally gives satisfactory hair transplantation, efforts have been made to further increase the efficacy of follicular unit transplantation in hair regeneration...
September 2016: Journal of Clinical and Aesthetic Dermatology
https://www.readbyqxmd.com/read/27837565/cryopreservation-of-hair-follicle-associated-pluripotent-hap-stem-cells-maintains-differentiation-and-hair-growth-potential
#16
Robert M Hoffman, Satoshi Kajiura, Wenluo Cao, Fang Liu, Yasuyuki Amoh
Hair follicles contain nestin-expressing pluripotent stem cells which originate above the bulge area of the follicle, below the sebaceous gland. We have termed these cells hair follicle-associated pluripotent (HAP) stem cells. We have established efficient cryopreservation methods of the hair follicle that maintain the pluripotency of HAP stem cells as well as hair growth. We cryopreserved the whole hair follicle by slow-rate cooling in TC-Protector medium or in DMSO-containing medium and storage in liquid nitrogen or at -80 °C...
2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27830323/study-of-frontal-hairline-patterns-for-natural-design-and-restoration
#17
Suzan Sirinturk, Hassan Bagheri, Figen Govsa, Yelda Pinar, Mehmet Asim Ozer
OBJECTIVE: Hair loss is one of the most noticeable esthetic problems of the mankind. Hair transplantation has been a highly effective technique in reducing wide foreheads and recontouring the hairline. Creating a natural hairline is one of the most important elements of a successful hair transplant. This study aims at the requirements which are essential in designing hairline morphometrics and natural frontline. METHODS: Standard photographs of the forehead region were obtained from two hundred young Turkish adults participated in this study...
November 10, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27827560/development-of-a-novel-automated-hair-counting-system-for-the-quantitative-evaluation-of-laser-hair-removal
#18
Hyoung-Woo Lim, Minwoo Cho, Dong-Hun Lee, Wooseok Koh, Youdan Kim, Jin Ho Chung, Sungwan Kim
OBJECTIVE: We aimed to develop and validate a novel computer-assisted automated hair counting system for the quantitative evaluation of laser hair removal (LHR). METHODS: We developed a computer-aided image processing system to count hairs on shaved skin and validated its performance through clinical trials. Five volunteers of Fitzpatrick skin type III-IV volunteered and were tested on both thighs. The system automatically detects hair and places a "+" sign on each hair site for every positive detection...
November 3, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27813161/successful-treatment-of-vitiligo-on-the-scalp-of-a-9-year-old-girl-using-autologous-cultured-pure-melanocyte-transplantation
#19
Xin-Gang Wu, Ai-E Xu
Leukotrichia frequently accompanies vitiligo on hairy areas such as the scalp. Treatment with conventional medical therapy is usually unsuccessful because of deficiencies in the melanocyte reservoir. We describe transplantation of autologous cultured pure melanocytes for scalp vitiligo with leukotrichia in a 9-year-old girl, resulting in almost complete and stable repigmentation of skin and hair.
January 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/27773992/the-kynurenine-pathway-is-a-double-edged-sword-in-immune-privileged-sites-and-in-cancer-implications-for-immunotherapy
#20
Jean-Pierre Routy, Bertrand Routy, Gina M Graziani, Vikram Mehraj
The term "immune privilege" was originally coined to describe the suppression of inflammatory responses within organs protected by anatomic barriers, ie, the eyes, brain, placenta, and testes. However, cellular and metabolic processes, which orchestrate immune responses, also control inflammation within these sites. Our current understanding of tolerogenic mechanisms has extended the definition of immune privilege to include hair follicles, the colon, and cancer. By catabolizing tryptophan, cells expressing the enzyme indoleamine-2,3-dioxygenase produce kynurenine metabolites, which orchestrate local and systemic responses to control inflammation, thus maintaining immune privilege...
2016: International Journal of Tryptophan Research: IJTR
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