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https://www.readbyqxmd.com/read/27910822/prolonged-in-vitro-precultivation-alleviates-post-implantation-inflammation-and-promotes-stable-subcutaneous-cartilage-formation-in-a-goat-model
#1
Yi Liu, Dan Li, Zongqi Yin, Xusong Luo, Wei Liu, Wenjie Zhang, Zhiyong Zhang, Yilin Cao, Yu Liu, Guangdong Zhou
Synthetic biodegradable scaffolds such as polylactic acid coated polyglycolic acid (PLA-PGA) are especially suitable for engineering shaped cartilage such as auricle, but they induce a serious inflammatory reaction particularly in the immunologically aggressive subcutaneous site, leading to resorption of the engineered autologous cartilage. Our previous study in a rabbit model has demonstrated 2 weeks of in vitro precultivation could significantly alleviate the post-implantation inflammation induced by PLA-PGA engineered cartilaginous grafts, but reproduction of this result failed in a preclinical goat model...
December 2, 2016: Biomedical Materials
https://www.readbyqxmd.com/read/27891474/an-evaluation-of-use-of-botulinum-toxin-type-a-in-the-management-of-dynamic-forehead-wrinkles-a-clinical-study
#2
Avvaru Susmita, Naga Neelima Devi Kolli, Sridhar Meka, Srinivas Pandi Chakravarthi, Vivekanand Sabanna Kattimani, Krishna Prasad Lingamaneni, Latheef Saheb Shaik
INTRODUCTION: The pursuit of youth and beauty has undergone a resurgence of interest which is evidenced by increasing cosmetic procedures. Botulinum Toxin Type A (Botox) is one among the many procedures invented for facial rejuvenation which denervates certain muscles of facial expression responsible for facial wrinkles. It has been applied in the forehead, glabella, lateral canthal area and neck. In maxillofacial area hyperactive forehead wrinkles show sagging. AIM: This study was aimed to clinically evaluate the efficacy of Botox injection in the elimination of hyperdynamic forehead wrinkles and the objectives were to compare pre-operative and post-operative improvement in the number of wrinkles, photographic grading and patient satisfaction responses after 1(st) week, 4(th) week and 16(th) week...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27878850/analysis-of-morphological-changes-after-facial-massage-by-a-novel-approach-using-three-dimensional-computed-tomography
#3
H Nishimura, I Okuda, N Kunizawa, T Inoue, Y Nakajima, S Amano
BACKGROUND/PURPOSE: Photograph-based visual scoring has been used for evaluation of facial morphological changes. Here, we describe a three-dimensional computed tomography (3D-CT) method for objective analysis of facial and intra-facial (subcutaneous) changes. The effects of facial massage were examined using both methods. METHODS: Subjects were 12 healthy female volunteers without facial scars or deformation (age 30-54 years, mean 39.4 years). Photograph-based scoring of massage-induced morphological changes was done at the nasolabial folds, upper, lower and lateral cheeks and lower eyelids...
November 22, 2016: Skin Research and Technology
https://www.readbyqxmd.com/read/27855196/age-related-changes-in-the-regenerative-potential-of-adipose-derived-stem-cells-isolated-from-the-prominent-fat-pads-in-human-lower-eyelids
#4
Xinhai Ye, Caihe Liao, Guangpeng Liu, Yipin Xu, Jian Tan, Zhenshun Song
The existence of multipotent adipose-derived stem cells isolated from human orbital fat (OF) tissue has shown great therapeutic potential in tissue engineering and regenerative medicine. But the use of stem cells for therapeutic applications is influenced by their proliferative and differentiation potentials, which may be affected by the age of the donor. So far there is little knowledge about the effects of donor age on the biological properties of human orbital adipose-derived stem cells (OASCs). The intraorbital fat protrusion in the lower eyelids occurs as an aging process, and the protruded fat is routinely removed during aesthetic surgeries...
2016: PloS One
https://www.readbyqxmd.com/read/27829784/irbp-deficiency-permits-precocious-ocular-development-and-myopia
#5
Shanu Markand, Natecia L Baskin, Ranjay Chakraborty, Erica Landis, Sara A Wetzstein, Kevin J Donaldson, Priyanka Priyadarshani, Shannon E Alderson, Curran S Sidhu, Jeffrey H Boatright, P Michael Iuvone, Machelle T Pardue, John M Nickerson
PURPOSE: Interphotoreceptor retinoid-binding protein (IRBP) is abundant in the subretinal space and binds retinoids and lipophilic molecules. The expression of IRBP begins precociously early in mouse eye development. IRBP-deficient (KO) mice show less cell death in the inner retinal layers of the retina before eyelid opening compared to wild-type C57BL/6J (WT) controls and eventually develop profound myopia. Thus, IRBP may play a role in eye development before visually-driven phenomena...
2016: Molecular Vision
https://www.readbyqxmd.com/read/27828631/expression-of-heparanase-in-basal-cell-carcinoma-and-squamous-cell-carcinoma
#6
Maria Aparecida Silva Pinhal, Maria Carolina Leal Almeida, Alessandra Scorse Costa, Thérèse Rachell Theodoro, Rodrigo Lorenzetti Serrano, Carlos D'Apparecida Santos Machado
Background: Heparanase is an enzyme that cleaves heparan sulfate chains. Oligosaccharides generated by heparanase induce tumor progression. Basal cell carcinoma and squamous cell carcinoma comprise types of nonmelanoma skin cancer. Objectives: Evaluate the glycosaminoglycans profile and expression of heparanase in two human cell lines established in culture, immortalized skin keratinocyte (HaCaT) and squamous cell carcinoma (A431) and also investigate the expression of heparanase in basal cell carcinoma, squamous cell carcinoma and eyelid skin of individuals not affected by the disease (control)...
September 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/27755407/anthropometrically-based-surgical-technique-for-tessier-3-cleft-reconstruction
#7
Aaron L Morgan, Roger Cason, Christian A El Amm
Craniofacial clefts are rare entities, with an incidence reported as 1.43 to 4.85 per 100,000 births. The Tessier number 3 cleft, the most medial of the oblique clefts, can manifest as clefting of the lip between the canine and lateral incisors, colobomas of the nasal ala and lower eyelid, and inferior displacement of the medial canthus-frequently disrupting the lacrimal system with extreme variability in expressivity (Eppley).Literature on cleft lip repair is extensive and has evolved to incorporate anthropometric techniques, based on identifiable landmarks and anthropometric measurements that are compared with contralateral unaffected anatomy or population means and tracked over time to assess impact on growth...
October 14, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27755193/reversibility-of-gland-dropout-and-significance-of-eyelid-hygiene-treatment-in-meibomian-gland-dysfunction
#8
Yue Yin, Lan Gong
PURPOSE: To observe reversibility of meibomian gland (MG) dropout and analyze correlated factors and to compare the treatment efficiency with and without eyelid hygiene in patients with meibomian gland dysfunction (MGD). METHODS: Consecutive 78 eyes of 78 MGD (stage 2-3) patients who finished follow-up examination after 1-month of treatment were recruited in this retrospective study. All patients were treated with artificial lubricant and eyelid hygiene. Related ocular surface evaluation and meibomian gland assessment were examined...
October 14, 2016: Cornea
https://www.readbyqxmd.com/read/27750289/pemphigus-autoantibodies-induce-blistering-in-human-conjunctiva
#9
Franziska Vielmuth, Vera Rötzer, Eva Hartlieb, Christoph Hirneiß, Jens Waschke, Volker Spindler
Purpose: The autoimmune blistering skin disease pemphigus vulgaris (PV) is caused by autoantibodies against desmosomal adhesion molecules. Patients may suffer conjunctival involvement, yet the underlying mechanisms are largely unclear. We characterized human and murine conjunctiva with respect to the PV autoantigens, and evaluated the effects and mechanisms of PV autoantibodies applied to human conjunctiva ex vivo. Methods: We obtained human conjunctiva specimens from surgical explants and established a short-term culture model to study the alterations induced by antibody fractions of PV patients (PV-IgG)...
August 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27749621/periocular-breast-carcinoma-metastases-predominant-origin-from-the-lobular-variant
#10
Frederick A Jakobiec, Anna M Stagner, Natalie Homer, Michael K Yoon
PURPOSE: To further define the histopathologic features of breast carcinoma conducive to orbital metastasis. METHODS: Ten new female patients with orbital or eyelid breast cancer metastases encountered between 2011 and 2016 had their medical records reviewed for determining their clinical characteristics. Microscopic glass slides from biopsies and immunohistochemical test results were also analyzed. Biomarkers studied included cytokeratin 7, nuclear estrogen and progesterone receptors, HER2, and E-cadherin...
October 5, 2016: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27732647/are-eyes-a-mirror-of-the-soul-what-eye-wrinkles-reveal-about-a-horse-s-emotional-state
#11
Sara Hintze, Samantha Smith, Antonia Patt, Iris Bachmann, Hanno Würbel
Finding valid indicators of emotional states is one of the biggest challenges in animal welfare science. Here, we investigated in horses whether variation in the expression of eye wrinkles caused by contraction of the inner eyebrow raiser reflects emotional valence. By confronting horses with positive and negative conditions, we aimed to induce positive and negative emotional states, hypothesising that positive emotions would reduce whereas negative emotions would increase eye wrinkle expression. Sixteen horses were individually exposed in a balanced order to two positive (grooming, food anticipation) and two negative conditions (food competition, waving a plastic bag)...
2016: PloS One
https://www.readbyqxmd.com/read/27706598/defective-eyelid-leading-edge-cell-migration-in-c57bl-6-corneal-opacity-mice-with-an-eye-open-at-birth-phenotype
#12
L C Wu, C Liu, M R Jiang, Y M Jiang, Q H Wang, Z Y Lu, S J Wang, W L Yang, Y X Shao
Development of the eyelid requires coordination of the cellular processes involved in proliferation, cell size alteration, migration, and cell death. C57BL/6J-corneal opacity (B6-Co) mice are mutant mice generated by the administration of N-ethyl-N-nitrosourea (100 mg/kg). They exhibit the eyelids open at birth phenotype, abnormal round cell shape from tightened F-actin bundles in leading edge keratinocytes at E16.5, and gradual corneal opacity with neovessels. The tip of the leading edge in B6-Co mice did not move forward, and demonstrated a sharp peak shape without obvious directionality...
August 26, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27680487/extranodal-natural-killer-t-cell-lymphoma-nasal-type-with-primary-manifestation-as-an-upper-eyelid-swelling
#13
Akiko Kanzaki, Yoko Funasaka, Munenaga Nakamizo, Ayaka Shima, Takeshi Ryotokuji, Kazuo Dan, Mika Terasaki, Yuichi Sugisaki, Yu Fukuda, Seiji Kawana, Hidehisa Saeki
Extranodal natural killer/T-cell lymphoma (ENK/TCL) is most often in the nose or the nasopharynx but can present elsewhere. We report a rare case of ENK/TCL that presented as swelling of an upper eyelid without ocular involvement. A 76-year-old man visited our hospital with a swollen lesion of the left upper eyelid which had appeared 2 months earlier. A biopsy of the upper eyelid revealed slight perivascular and periadnexal infiltration of mononuclear cells with dermal edema. Treatment with oral prednisolone at a dosage of 20 mg/day decreased the eyelid swelling...
2016: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
https://www.readbyqxmd.com/read/27671791/viable-ednra-y129f-mice-feature-human-mandibulofacial-dysostosis-with-alopecia-mfda-syndrome-due-to-the-homologue-mutation
#14
Sibylle Sabrautzki, Michael A Sandholzer, Bettina Lorenz-Depiereux, Robert Brommage, Gerhard Przemeck, Ingrid L Vargas Panesso, Alexandra Vernaleken, Lillian Garrett, Katharina Baron, Ali O Yildirim, Jan Rozman, Birgit Rathkolb, Christine Gau, Wolfgang Hans, Sabine M Hoelter, Susan Marschall, Claudia Stoeger, Lore Becker, Helmut Fuchs, Valerie Gailus-Durner, Martin Klingenspor, Thomas Klopstock, Christoph Lengger, Leuchtenberger Stefanie, Eckhard Wolf, Tim M Strom, Wolfgang Wurst, Martin Hrabě de Angelis
Animal models resembling human mutations are valuable tools to research the features of complex human craniofacial syndromes. This is the first report on a viable dominant mouse model carrying a non-synonymous sequence variation within the endothelin receptor type A gene (Ednra c.386A>T, p.Tyr129Phe) derived by an ENU mutagenesis program. The identical amino acid substitution was reported recently as disease causing in three individuals with the mandibulofacial dysostosis with alopecia (MFDA, OMIM 616367) syndrome...
December 2016: Mammalian Genome: Official Journal of the International Mammalian Genome Society
https://www.readbyqxmd.com/read/27513760/a-%C3%AE-a-crystallin-mouse-mutant-secc-with-small-eye-cataract-and-closed-eyelid
#15
Man Hei Cheng, Chung Nga Tam, Kwong Wai Choy, Wai Hung Tsang, Sze Lan Tsang, Chi Pui Pang, You Qiang Song, Mai Har Sham
Cataract is the most common cause of visual loss in humans. A spontaneously occurred, autosomal dominant mouse mutant Secc, which displayed combined features of small eye, cataract and closed eyelid was discovered in our laboratory. In this study, we identified the mutation and characterized the cataract phenotype of this novel Secc mutant. The Secc mutant mice have eyelids that remain half-closed throughout their life. The mutant lens has a significant reduction in size and with opaque spots clustered in the centre...
2016: PloS One
https://www.readbyqxmd.com/read/27463714/real-time-3d-facial-movement-tracking-using-a-monocular-camera
#16
Yanchao Dong, Yanming Wang, Jiguang Yue, Zhencheng Hu
The paper proposes a robust framework for 3D facial movement tracking in real time using a monocular camera. It is designed to estimate the 3D face pose and local facial animation such as eyelid movement and mouth movement. The framework firstly utilizes the Discriminative Shape Regression method to locate the facial feature points on the 2D image and fuses the 2D data with a 3D face model using Extended Kalman Filter to yield 3D facial movement information. An alternating optimizing strategy is adopted to fit to different persons automatically...
2016: Sensors
https://www.readbyqxmd.com/read/27461379/express-miniature-glaucoma-shunt-for-intractable-secondary-glaucoma-in-superior-vena-cava-syndrome-a-case-report
#17
Yi-Ju Ho, Chi-Hsiao Yeh, Chi-Chun Lai, Jerry Chien-Chieh Huang, Lan-Hsin Chuang
BACKGROUND: The aim of this study was to clarify the pathogenic mechanism and to evaluate an intervention for intractable secondary glaucoma in superior vena cava (SVC) syndrome. CASE PRESENTATION: A 66-year-old female with underlying hypertension, diabetes mellitus, ischaemic heart disease and end-stage renal disease complained of bilateral puffy eyelids for 3 months. Over three years, the patient experienced a progressive, marked face and neck swelling, which was accompanied by dyspnoea and nocturnal coughing...
2016: BMC Ophthalmology
https://www.readbyqxmd.com/read/27429228/effect-of-manuka-honey-on-eyelid-wound-healing-a-randomized-controlled-trial
#18
Raman Malhotra, Kimia Ziahosseini, Cornelia Poitelea, Andre Litwin, Suresh Sagili
PURPOSE: To report outcomes of a randomized trial on the role of "active" Manuka honey on eyelid surgical wound healing. METHOD: Prospective, randomized, single-blinded study was performed for patients undergoing bilateral upper blepharoplasty. Vaseline was applied 4 times a day to both sides for 6 weeks and in addition, one eyelid was randomized to receive Manuka honey twice daily. Postoperative wounds were graded by a masked observer at 1 week, 1 month, and 4 months using Manchester scar scale and a modified eyelid scar grading scale...
July 13, 2016: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27413540/evaluation-of-the-safety-and-effectiveness-of-intense-pulsed-light-in-the-treatment-of-meibomian-gland-dysfunction
#19
Xiaodan Jiang, Huibin Lv, Hang Song, Mingzhou Zhang, Yan Liu, Xiaodan Hu, Xuemin Li, Wei Wang
Purpose. This study aims to explore the safety and efficacy of a novel treatment-intense pulsed light (IPL) in MGD eyes. Methods. This study is a prospective and open label study. Forty eyes of 40 MGD patients were recruited in the study and received 4 consecutive IPL treatments on day 1, day 15, day 45, and day 75. Ten ocular surface symptoms were evaluated with a subjective face score at every visit. Best spectacle corrected visual acuity, intraocular pressure (IOP), conjunctival injection, upper and lower tear meniscus height (TMH), tear break-up time (TBUT), corneal staining, lid margin and meibomian gland assessments, and meibography were also recorded at every visit, as well as the adverse effects on the eye and ocular surface...
2016: Journal of Ophthalmology
https://www.readbyqxmd.com/read/27391797/impaired-dna-double-strand-break-repair-contributes-to-the-age-associated-rise-of-genomic-instability-in-humans
#20
Z Li, W Zhang, Y Chen, W Guo, J Zhang, H Tang, Z Xu, H Zhang, Y Tao, F Wang, Y Jiang, F L Sun, Z Mao
Failing to repair DNA double-strand breaks by either nonhomologous end joining (NHEJ) or homologous recombination (HR) poses a threat to genome integrity, and may have roles in the onset of aging and age-related diseases. Recent work indicates an age-related decrease of NHEJ efficiency in mouse models, but whether NHEJ and HR change with age in humans and the underlying mechanisms of such a change remain uncharacterized. Here, using 50 eyelid fibroblast cell lines isolated from healthy donors at the age of 16-75 years, we demonstrate that the efficiency and fidelity of NHEJ, and the efficiency of HR decline with age, leading to increased IR sensitivity in cells isolated from old donors...
November 1, 2016: Cell Death and Differentiation
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