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https://www.readbyqxmd.com/read/30097671/the-application-of-the-acellular-dermal-matrix-in-the-correction-of-the-tear-trough-deformity
#1
Di Yue, Xiaowei Wu, Haichen Song, Zhichun Zhou, Man Ye, Mengshan Zhu
OBJECTIVE: The acellular dermal matrix (ADM) used in correcting the tear trough deformity has been reported, but there were only a few cases. The long-term effectiveness of ADM was not clear. We aim to discuss the technique and the effect of using ADM to correct the tear trough deformity through more cases. METHODS: A retrospective study was conducted from January 2012 to January 2017. Twenty-six patients who showed obvious tear trough deformity with moderate or severe orbital fat bulging and excess of lower eyelid skin were treated with ADM to improve the appearance of the midface...
August 10, 2018: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/30092820/adipose-tissue-derived-extracellular-fraction-characterization-biological-and-clinical-considerations-in-regenerative-medicine
#2
Barbara Bellei, Emilia Migliano, Marinella Tedesco, Silvia Caputo, Federica Papaccio, Gianluca Lopez, Mauro Picardo
BACKGROUND: Adipose tissue-derived stem cells are considered to be a promising source in the field of cell therapy and regenerative medicine. In addition to direct cell replacement using adipose tissue or purified stem cells, intercellular molecule exchange by the adipose tissue complex, a vast array of bioactive secretory factors, demonstrated beneficial effects by reducing tissue damage and stimulation of endogenous repair. However, for therapeutic purposes, the use of secretome derivatives, such as full conditioned media or purified exosomes generated in vitro, may present considerable disadvantages for cell manufacturing, storage, product safety, and their potential as a ready-to-go therapeutic product...
August 9, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/30089435/hard-palate-dermis-fat-composite-graft-for-reconstruction-of-contracted-anophthalmic-socket
#3
Catherine J Choi, Ann Q Tran, David T Tse
PURPOSE: To describe a novel technique of using a hard palate-dermis fat composite graft (HPDFG) for reconstruction of a contracted anophthalmic socket. METHODS: Retrospective, noncomparative, interventional case series of four patients who underwent HPDFG placement by one surgeon between 2010 and 2017. RESULTS: Six harvested HPDFGs were placed in four patients with contracted anophthalmic sockets. A harvested hard palate graft (HPG) and a dermis fat graft (DFG) were adjoined with sutures to form a composite graft...
August 8, 2018: Orbit
https://www.readbyqxmd.com/read/30087356/an-orally-active-adiponectin-receptor-agonist-mitigates-cutaneous-fibrosis-inflammation-and-microvascular-pathology-in-a-murine-model-of-systemic-sclerosis
#4
Takashi Yamashita, Katja Lakota, Takashi Taniguchi, Ayumi Yoshizaki, Shinichi Sato, Wen Hong, Xingchun Zhou, Snezn Sodin-Semrl, Feng Fang, Yoshihide Asano, John Varga
The hallmarks of systemic sclerosis (SSc) are autoimmunity, microangiopathy and fibrosis. Skin fibrosis is accompanied by attrition of the dermal white adipose tissue layer, and alterations in the levels and function of adiponectin. Since these findings potentially implicate adiponectin in the pathogenesis of SSc, we employed a novel pharmacological approach to augment adiponectin signaling using AdipoRon, an orally active adiponectin receptor agonist. Chronic treatment with AdipoRon significantly ameliorated bleomycin-induced dermal fibrosis in mice...
August 7, 2018: Scientific Reports
https://www.readbyqxmd.com/read/30064607/hardness-and-painful-lesion-of-the-breast
#5
Alejandro Vilas-Sueiro, Daniel González-Vilas, Cristina Aguilera, Benigno Monteagudo, Cristina De De Las Heras
Dear Editor, Lupus panniculitis or lupus profundus is a rare inflammatory complication found in patients with systemic lupus erythematosus (SLE), or discoid lupus erythematosus (DLE) (1). When the breast is involved, the term lupus mastitis (LM) is used. This disease involving the breast is rare, and the lesions may precede, coincide with, or occur later than the onset of other lupus lesions. Tissue biopsy is required to confirm the suspected diagnoses of LM. We report a case of a patient with lupus mastitis due to the important differential diagnosis...
December 2017: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/30058570/safety-and-efficacy-of-autologous-noncultured-dermal-cell-suspension-transplantation-in-the-treatment-of-localized-facial-volume-loss-a-pilot-study
#6
Alok Kumar Sahoo, Savita Yadav, Vinod K Sharma, Anita Singh Parihar, Surabhi Vyas, Somesh Gupta
Background: Available options for correction of facial volume loss, such as synthetic fillers, autologous fat and cultured fibroblasts, have limitations viz. temporary effect and high cost. Aim: To assess the use of a novel technique, autologous non-cultured dermal cell suspension transplantation, for correction of localized facial volume loss due to inflammatory pathologies. Methods: It was a pilot study conducted in the Dermatology Outpatient Department, All India Institute of Medical Sciences (AIIMS), New Delhi, India...
July 30, 2018: Indian Journal of Dermatology, Venereology and Leprology
https://www.readbyqxmd.com/read/30057597/magnetic-resonance-imaging-evaluation-in-patients-with-linear-morphea-treated-with-methotrexate-and-high-dose-corticosteroid
#7
Mohammad Shahidi-Dadras, Fahimeh Abdollahimajd, Razieh Jahangard, Ali Javinani, Amir Ashraf-Ganjouei, Parviz Toossi
Background: Morphea is an inflammatory disease of the connective tissue that may lead to thickening and hardening of the skin due to fibrosis. The aim of this study was to document magnetic resonance imaging (MRI) changes in patients with linear morphea who were treated with methotrexate (MTX) and high-dose corticosteroid. Methods: This study was conducted on 33 patients from the outpatient's dermatology clinic of our institute, who fulfilled the inclusion criteria...
2018: Dermatology Research and Practice
https://www.readbyqxmd.com/read/30056221/comparison-of-phenotypes-and-transcriptomes-of-mouse-skin-derived-precursors-and-dermal-mesenchymal-stem-cells
#8
Yiming Li, Xiaohua Li, Lidan Xiong, Jie Tang, Li Li
Both skin-derived precursors (SKPs) and dermal mesenchymal stem cells (dMSCs) are promising candidates for cellular therapy and regenerative medicine. To date the comparison of phenotypes and transcriptomes of mouse SKPs (mSKPs) and dMSCs has never been reported. Here we characterized and compared the biological properties and transcriptomes of mSKP and dMSCs from the same mouse dermis sample. Firstly, we analyzed mSKPs and dMSCs by use of immunocytochemistry, cell cycle analysis, and CD antigen expression...
July 20, 2018: Differentiation; Research in Biological Diversity
https://www.readbyqxmd.com/read/30030915/detecting-and-quantifying-activity-inflammation-in-localized-scleroderma-with-thermal-imaging
#9
I Ranosz-Janicka, A Lis-Święty, A Skrzypek-Salamon, L Brzezińska-Wcisło
BACKGROUND: The disease phase in localized scleroderma (LoS) is commonly assessed by clinical investigation using the LoS cutaneous assessment tool (LoSCAT). There is a need for more objective methods for assessing the degree of activity/inflammation in LoS. The aim of our work was to evaluate the correlation between severity of the LoS lesions scored using LoSCAT and the degree of hyperthermia observed with infrared thermography (IRT). MATERIALS AND METHODS: The LoS lesions were examined using the LoSCAT and IRT independently by two examiners...
July 21, 2018: Skin Research and Technology
https://www.readbyqxmd.com/read/30030486/prevascularization-of-dermal-substitutes-with-adipose-tissue-derived-microvascular-fragments-enhances-early-skin-grafting
#10
Florian S Frueh, Thomas Später, Christina Körbel, Claudia Scheuer, Anna C Simson, Nicole Lindenblatt, Pietro Giovanoli, Michael D Menger, Matthias W Laschke
Split-thickness skin grafts (STSG) are still the gold standard for the treatment of most skin defects. Hence, there is an ongoing need to improve this procedure. For this purpose, we herein analyzed dermal matrices seeded with adipose tissue-derived microvascular fragments (ad-MVF) in a bradythrophic wound model. In additional experiments, the matrices were covered with autologous STSG 10 days after implantation. Green fluorescence protein (GFP)+ ad-MVF were isolated from C57BL/6-Tg(CAG-EGFP)1Osb/J mice and seeded onto collagen-glycosaminoglycan matrices...
July 20, 2018: Scientific Reports
https://www.readbyqxmd.com/read/30027508/isolation-and-characterization-of-cutaneous-epithelial-stem-cells
#11
Stephanie R Gillespie, David M Owens
The outer layer of mammalian skin is a multilayered epithelium that perpetually renews multiple differentiated lineages. During homeostasis, the maintenance of skin epithelial turnover is ensured by regionalized populations of stem cells that largely remain dedicated to distinct epithelial lineages including squamous, follicular, sebaceous, Merkel, and sweat glands. Cutting edge developments in this field have focused on: (1) stem cell activation cues derived from a number of extrinsic sources including neurons, dermal fibroblasts and adipocyte, and immune cells; and (2) characterization of epithelial stem cell homeostasis via hierarchical versus stochastic paradigms...
July 20, 2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/30022246/fgf-2-combined-with-bilayer-artificial-dermis-composed-of-collagen-matrix-prompts-generation-of-fat-pad-in-subcutis-of-mice
#12
Natsuko Kakudo, Naoki Morimoto, Takeshi Ogawa, Shigeru Taketani, Kenji Kusumoto
Fibroblast growth factor (FGF)-2 induces mitogenesis, angiogenesis and adipogenesis. In this study, the adipogenesis-inducing effects of FGF-2 combined with bilayer artificial dermis in mice were evaluated. FGF-2-impregnated bilayer artificial dermis composed of collagen matrix, PELNAC (Gunze Corp., Osaka, Japan) was implanted subcutaneously into the thoracic region of mice. At 1, 2, 3, and 4 weeks, samples were collected for H&E staining, von Willebrand factor immunostaining, and perilipin immunostaining to examine adipose tissue localization and angiogenesis...
July 18, 2018: Medical Molecular Morphology
https://www.readbyqxmd.com/read/30007274/the-influence-of-fat-grafting-on-skin-quality-in-cosmetic-foot-grafting-a-randomized-cross-over-clinical-trial
#13
Stephanie E Dreifuss, Danielle Minteer, Beth R Gusenoff, Jeffrey A Gusenoff
Background: Pedal fat grafting is a cosmetic procedure indicated to treat the functional and aesthetic sequelae of pedal fat pad atrophy. Fat grafting has been found to mitigate these symptoms, but the exact mechanism is unknown. Objectives: We hypothesize that pedal fat grafting may improve skin quality, accounting for prolonged symptomatic improvement despite loss of grafted fat. Methods: Patients with pedal atrophy were enrolled in a randomized crossover clinical trial...
July 10, 2018: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/30006585/inflammation-linked-adaptations-in-dermal-microvascular-reactivity-accompany-the-development-of-obesity-and-type-2-diabetes
#14
Marie-Sophie Nguyen-Tu, Pierre Nivoit, Valérie Oréa, Sandrine Lemoine, Cécile Acquaviva, Aurélie Pagnon-Minot, Bérengère Fromy, Jaswinder K Sethi, Dominique Sigaudo-Roussel
BACKGROUND/OBJECTIVES: The increased prevalence of obesity has prompted great strides in our understanding of specific adipose depots and their involvement in cardio-metabolic health. However, the impact of obesity on dermal white adipose tissue (dWAT) and dermal microvascular functionality remains unclear. This study aimed to investigate the temporal changes that occur in dWAT and dermal microvascular functionality during the development of diet-induced obesity and type 2 diabetes in mice...
July 13, 2018: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/30005786/dorsal-augmentation-using-autogenous-tissues
#15
REVIEW
Man-Koon Suh
Autogenous materials used for Asian dorsal augmentation are temporal fascia, dermofat, solid block type of costal cartilage, and diced cartilage. The temporal fascia is used for radix augmentation or correction of minor focal depression. Dermofat, solid block costal cartilage, and diced cartilage are recommended for major dorsal augmentation. The vertically oriented folded dermal graft curtails use of the fat component. Diced cartilage wrapped in temporal fascia exhibits a lower resorption rate, and may easily fit into the contour of the dorsum...
August 2018: Facial Plastic Surgery Clinics of North America
https://www.readbyqxmd.com/read/30005778/breast-reconstruction
#16
REVIEW
Hani Sbitany
Breast reconstruction is offered to women undergoing mastectomy or breast conservation, given its safe nature and highly aesthetic reconstructive outcomes. Breast implants are safe, offer flexibility of sizes and projections, and shorter recovery. Autologous flaps allow women to avoid prosthetic devices, using skin and fat to replace breast tissue. The increasing frequency of nipple-sparing mastectomy, autologous fat grafting, use of acellular dermal matrices, and prepectoral prosthetic reconstruction have enhanced aesthetic outcomes...
August 2018: Surgical Clinics of North America
https://www.readbyqxmd.com/read/30004072/cutaneous-intramuscular-lipoma-a-new-subtype-of-intramuscular-lipoma
#17
Bommie Florence Seo, Ji Seon Choi, Hyung-Sup Shim
Intramuscular lipoma is an uncommon variant of lipoma that occurs inside muscle tissue. Pathogenesis is thought to be related to neoplastic activity of mesenchymal stem cells, but there still is not an established theory. This entity can be found in almost all areas of the body, mostly within or in connection with skeletal muscle tissue. We have encountered an atypical intramuscular lipoma located in the epidermal layer of the right thigh of an otherwise healthy 35-year-old female. The superficial, protruding skin mass resembled a sebaceous nevus or skin malignancy but was histologically composed of well-defined adipocytes between a mixture of muscle fibers, corresponding with the diagnosis of intramuscular lipoma...
July 2018: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29987390/bone-marrow-derived-versus-adipose-derived-stem-cells-in-wound-healing-value-and-route-of-administration
#18
Basma Emad Aboulhoda, Shereen Abd El Fattah
The stem cells with their distinct ability of self-renewal and differentiation are considered an innovation in wound healing. However, there is lack of studies comparing the differential effect of the type and administration route of stem cells in the wound healing context. Thus, the current study has been designed to elucidate the effect of two of the most important stem cell types-the bone marrow-derived and adipose-derived stem cells in full thickness wound healing-and to evaluate, in this optimized wound model, the effectiveness of intradermal versus intravenous routes using H&E, Masson's trichrome, and PKH26-stained sections...
July 10, 2018: Cell and Tissue Research
https://www.readbyqxmd.com/read/29981277/improved-vasculogenesis-and-bone-matrix-formation-through-co-culture-of-endothelial-cells-and-stem-cells-in-tissue-specific-methacryloyl-gelatin-based-hydrogels
#19
Annika Wenz, Iva Tjoeng, Isabelle Schneider, Petra J Kluger, Kirsten Borchers
The co-culture of osteogenic and angiogenic cells and the resulting paracrine signaling via soluble factors is supposed to be crucial for successfully engineering vascularized bone tissue equivalents. In this study, a co-culture system combining primary human adipose-derived stem cells (hASCs) and primary human dermal microvascular endothelial cells (HDMECs) within two types of hydrogels based on methacryl-modified gelatin (GM) as threedimensional (3D) scaffolds was examined regarding its support of tissue specific cell functions...
July 7, 2018: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/29973295/iberian-pig-mesenchymal-stem-stromal-cells-from-dermal-skin-abdominal-and-subcutaneous-adipose-tissues-and-peripheral-blood-in-vitro-characterization-and-migratory-properties-in-inflammation
#20
Alexandra Calle, Clara Barrajón-Masa, Ernesto Gómez-Fidalgo, Mercedes Martín-Lluch, Paloma Cruz-Vigo, Raúl Sánchez-Sánchez, Miguel Ángel Ramírez
BACKGROUND: Recently, the capacity of mesenchymal stem/stromal cells (MSCs) to migrate into damaged tissues has been reported. For MSCs to be a promising tool for tissue engineering and cell and gene therapy, it is essential to know their migration ability according to their tissue of origin. However, little is known about the molecular mechanisms regulating porcine MSC chemotaxis. The aim of this study was to examine the migratory properties in an inflammatory environment of porcine MSC lines from different tissue origins: subcutaneous adipose tissue (SCA-MSCs), abdominal adipose tissue (AA-MSCs), dermal skin tissue (DS-MSCs) and peripheral blood (PB-MSCs)...
July 4, 2018: Stem Cell Research & Therapy
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