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https://www.readbyqxmd.com/read/29351444/activated-human-t-lymphocytes-inhibit-tgf%C3%AE-induced-fibroblast-to-myofibroblast-differentiation-via-prostaglandins-d2-and-e2
#1
Shannon H Lacy, Amali P Epa, Stephen J Pollock, Collynn F Woeller, Thomas H Thatcher, Richard P Phipps, Patricia J Sime
In pulmonary fibrosis (PF), fibroblasts and myofibroblasts proliferate and deposit excessive extracellular matrix in the interstitium, impairing normal lung function. As most forms of PF have a poor prognosis and limited treatment options, PF represents an urgent unmet need for novel, effective therapeutics. While the role of immune cells in lung fibrosis is unclear, recent studies suggest that T lymphocyte (T cell) activation may be impaired in PF patients. Further, we have previously shown that activated T cells can produce prostaglandins with anti-scarring potential...
December 20, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/29351309/a-modified-elliptical-formula-to-estimate-kidney-collagen-content-in-a-model-of-chronic-kidney-disease
#2
Jake A Nieto, Janice Zhu, Bin Duan, Jingsong Li, Ping Zhou, Latha Paka, Michael A Yamin, Itzhak D Goldberg, Prakash Narayan
The extent of scarring or renal interstitial collagen deposition in chronic kidney disease (CKD) can only be ascertained by highly invasive, painful and sometimes risky, tissue biopsy. Interestingly, while CKD-related abnormalities in kidney size can often be visualized using ultrasound, not only does the ellipsoid formula used today underestimate true renal size, but the calculated renal size does not inform tubulointerstitial collagen content. We used coronal kidney sections from healthy mice and mice with kidney disease to develop a new formula for estimating renal parenchymal area...
2018: PloS One
https://www.readbyqxmd.com/read/29351270/is-mytomicyn-better-than-5-fluorouracil-as-antimetabolite-in-trabeculectomy-for-glaucoma
#3
Eduardo Pimentel, Jimena Schmidt
INTRODUCTION: Trabeculectomy is considered the standard for glaucoma surgery. Postoperative scarring is one the factors associated with surgery failure. Different antimetabolites have been used in order to reduce this risk, particularly 5-fluorouracil and mitomycin C. Although both are considered effective, it is not clear if they are different in terms of success of trabeculectomy and adverse effects. METHODS: To answer this question we used Epistemonikos, the largest database of systematic reviews in health, which is maintained by screening multiple information sources, including MEDLINE, EMBASE, Cochrane, among others...
January 18, 2018: Medwave
https://www.readbyqxmd.com/read/29350652/complications-associated-with-brachioplasty-a-literature-review
#4
Andrea Sisti, Roberto Cuomo, Luca Milonia, Juri Tassinari, Antonio Castagna, Antonio Castagna, Cesare Brandi, Luca Grimaldi, Carlo D'Aniello, Giuseppe Nisi
BACKGROUND: Paralleling the growth of bariatric surgery, the demand for post-bariatric body-contouring surgery is increasing. Weight loss is the main cause, although not the only one, that drives patients to arm lift surgery. Several surgical techniques have been proposed over the years. Our aim was to consider the complications and outcomes according to the performed technique, through a wide review of the literature. METHODS: A search on PubMed/Medline was performed using "brachioplasty", "upper arm lifting", and "techniques" as key words...
January 16, 2018: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29350367/posterior-interosseous-flap-versus-reverse-adipofascial-radial-forearm-flap-for-soft-tissue-reconstruction-of-dorsal-hand-defects
#5
Osman Akdağ, Gökçe Yıldıran, Mustafa Sütçü, Mehtap Karameşe
BACKGROUND: Our objective was to compare the outcomes of dorsal hand defect reconstruction using a posterior interosseous artery flap (PIAF) and a reverse adipofascial radial forearm flap (RARFF). METHODS: From 2008 to 2013, 23 patients who underwent hand soft tissue defect reconstruction with PIAF (11 patients) and RARFF (12 patients) were included in this retrospective study. Reconstruction methods were compared in terms of functionality with disability of the arm, shoulder, and hand (DASH) score and range of motion (ROM) and aesthetically with scar assessment...
January 2018: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/29349699/to-evaluate-the-feasibility-of-magnetic-resonance-imaging-in-predicting-unusual-site-ectopic-pregnancy-a-retrospective-cohort-study
#6
Gabriele Masselli, Martina Derme, Maria Grazia Piccioni, Vincenzo Spina, Francesca Laghi, Gianfranco Gualdi, Marialuisa Framarino-Dei-Malatesta
OBJECTIVE: To evaluate the accuracy of pelvic MRI in the diagnosis of unusual ectopic pregnancy (EP), when ultrasound (US) examination is inconclusive. METHODS: We retrospectively reviewed the medical records of 150 patients with suspected EP. Clinical, US and MRI features of 15 unusual EPs were analysed. Two radiologists independently reviewed each case resolving by consensus any diagnostic discrepancy. Interobserver agreement was assessed using the Cohen κ test...
January 18, 2018: European Radiology
https://www.readbyqxmd.com/read/29349667/comparison-of-enalapril-candesartan-and-intralesional-triamcinolone-in-reducing-hypertrophic-scar-development-an-experimental-study
#7
Canser Yilmaz Demir, Muhammet Eren Ersoz, Remzi Erten, Omer Faruk Kocak, Yilmaz Sultanoglu, Yildiray Basbugan
BACKGROUND: The purpose of this study was to compare the effects of oral enalapril, an angiotensin-converting enzyme inhibitor (ACE-I), oral candesartan, an angiotensin receptor blocker (ARB), and intralesional corticosteroid treatments in reducing scar formation. METHODS: Twenty male rabbits were divided into five study groups: A (sham), B (control), C (ACE-I), D (ARB) and E (intralesional corticosteroid). The rabbit ear hypertrophic scar model was used. The hypertrophic scars were photographed and analyzed with the program ImageJ quantitatively to determine the degree of collagen fibers...
January 18, 2018: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29349520/experimental-study-of-5-fluorouracil-encapsulated-ethosomes-combined-with-co2-fractional-laser-to-treat-hypertrophic-scar
#8
Zhen Zhang, Jun Chen, Jun Huang, Yan Wo, Yixin Zhang, Xiangdong Chen
OBJECTIVE: This study is designed to explore permeability of ethosomes encapsulated with 5-florouracil (5-FU) mediated by CO2 fractional laser on hypertrophic scar tissues. Moreover, therapeutic and duration effect of CO2 fractional laser combined with 5-FU encapsulated ethosomes in rabbit ear hypertrophic scar model will be evaluated. METHODS: The permeated amount of 5-FU and retention contents of 5-FU were both determined by high-performance liquid chromatography (HPLC)...
January 18, 2018: Nanoscale Research Letters
https://www.readbyqxmd.com/read/29349055/reconstruction-of-a-traumatic-cleft-earlobe-using-a-combination-of-the-inverted-v-shaped-excision-technique-and-vertical-mattress-suture-method
#9
June Kyu Park, Kyung Sik Kim, Seung Hong Kim, Jun Choi, Jeong Yeol Yang
Traumatic cleft earlobes are a common problem encountered by plastic and reconstructive surgeons. Various techniques have been reported for the repair of traumatic cleft earlobes. Usually, the techniques of split earlobe repair are divided into two categories, namely straight- and broken-line repairs. Straight-line repair is simple and easy, but scar contracture frequently results in notching of the inferior border of the lobule. It can be avoided by the broken-line repair such as Z-plasty, L-plasty, or a V-shaped flap...
December 2017: Archives of Craniofacial Surgery
https://www.readbyqxmd.com/read/29349049/the-reliability-of-the-transconjunctival-approach-for-orbital-exposure-measurement-of-positional-changes-in-the-lower-eyelid
#10
Sung Ho Yoon, Jin Hoon Lee
Background: Lower eyelid incisions are widely used for the orbital approach in periorbital trauma and aesthetic surgery. In general, the subciliary approach is known to cause disposition of the lower eyelid by scarring the anterior lamella in some cases. On the other hand, many surgeons believe that a transconjunctival approach usually does not result in such complications and is a reliable method. We measured positional changes in the lower eyelid in blowout fracture repair since entropion is one of the most serious complications of the transconjunctival orbital approach...
December 2017: Archives of Craniofacial Surgery
https://www.readbyqxmd.com/read/29349048/versatility-of-modified-nasolabial-flap-in-oral-and-maxillofacial-surgery
#11
Geeti Vajdi Mitra, Sarwpriya Sharma Bajaj, Sushmitha Rajmohan, Tejas Motiwale
Background: To evaluate the versatility and reach of modified nasolabial flap used in reconstruction of defects created in and around the oral cavity. Methods: A total number of 20 cases were selected. Out of which 13 were males and 7 females. The age of these patients ranged from 24-63 years. 29 modified nasolabial flaps were raised in twenty patients. Based on clinical and histopathological examination, out of 20 patients, 14 patients were diagnosed with oral submucous fibrosis, 3 with verrucous carcinoma, 1 with squamous papilloma, 1 with oro-antral fistula and 1 with traumatic loss of lower lip...
December 2017: Archives of Craniofacial Surgery
https://www.readbyqxmd.com/read/29349046/reduction-of-closed-frontal-sinus-fractures-through-suprabrow-approach
#12
Hyung Min Hahn, Yoo Jung Lee, Myong Chul Park, Il Jae Lee, Sue Min Kim, Dong Ha Park
Background: The traditional approach for reduction of frontal sinus fractures is coronal incision. Inherent complications of the coronal approach include long scar, hair loss, and long operation time. We describe a simple approach for the reduction of frontal sinus anterior wall fractures using a suprabrow incision that is commonly used for brow lift. Methods: From March 2007 to October 2016, the authors identified patients with anterior wall frontal sinus fractures treated by open reduction through a suprabrow incision...
December 2017: Archives of Craniofacial Surgery
https://www.readbyqxmd.com/read/29348423/a-tissue-mimetic-nano-fibrillar-hybrid-injectable-hydrogel-for-potential-soft-tissue-engineering-applications
#13
Neda Latifi, Meisam Asgari, Hojatollah Vali, Luc Mongeau
While collagen type I (Col-I) is commonly used as a structural component of biomaterials, collagen type III (Col-III), another fibril forming collagen ubiquitous in many soft tissues, has not previously been used. In the present study, the novel concept of an injectable hydrogel with semi-interpenetrating polymeric networks of heterotypic collagen fibrils, with tissue-specific Col-III to Col-I ratios, in a glycol-chitosan matrix was investigated. Col-III was introduced as a component of the novel hydrogel, inspired by its co-presence with Col-I in many soft tissues, its influence on the Col-I fibrillogenesis in terms of diameter and mechanics, and its established role in regulating scar formation...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29348279/-clinically-suspected-myocarditis-with-pseudoinfarct-presentation-complicated-with-left-ventricular-aneurysm
#14
Annick Haouzi, Ahmed Ahmed
A 51-year-old man presented with chest pain, high troponin level, inflammatory syndrome and ST-segment elevation in the anterior leads. While the transthoracic echocardiogram (TTE) showed anteroseptal hypokinesis and apical akinesis, the coronary angiogram was normal. Cardiac MR demonstrated a typical aspect of myocarditis (multiple areas of mid-myocardial late gadolinium enhancement, sparing the subendocardial layer, along with oedema). The initial diagnosis was clinically suspected myocarditis with pseudoinfarct presentation...
January 17, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29348182/trends-in-mortality-from-idiopathic-pulmonary-fibrosis-in-the-european-union-an-observational-study-of-the-who-mortality-database-from-2001-2013
#15
Dominic C Marshall, Justin D Salciccioli, Barry S Shea, Praveen Akuthota
Idiopathic pulmonary fibrosis (IPF) is the most common of the idiopathic interstitial pneumonias and is characterised by progressive accumulation of scar tissue in the lungs. The objective of this study was to describe the current mortality rates due to IPF in Europe, based on the World Health Organization (WHO) mortality database.We used country-level data for IPF mortality, identified in the WHO mortality database using International Classification of Diseases 10th Edition (ICD-10) codes, for the period 2001-2013...
January 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29347941/a-five-year-retrospective-study-of-the-epidemiological-characteristics-and-visual-outcomes-of-pediatric-ocular-trauma
#16
Edita Puodžiuvienė, Giedrė Jokūbauskienė, Monika Vieversytė, Kirwan Asselineau
BACKGROUND: Pediatric trauma can lead to serious visual impairment as a result of the trauma itself or secondary to amblyopia. Precise data on epidemiological characteristics and visual outcomes of pediatric ocular injuries are valuable for the prevention of monocular blindness. METHODS: A total of 268 cases of pediatric ocular trauma admitted to the Department of Ophthalmology of the Lithuanian University of Health Sciences Hospital from January 2008 to December 2013 were retrospectively reviewed...
January 18, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29347331/two-dimensional-collective-electron-magnetotransport-oscillations-and-chaos-in-a-semiconductor-superlattice
#17
L L Bonilla, M Carretero, A Segura
When quantized, traces of classically chaotic single-particle systems include eigenvalue statistics and scars in eigenfuntions. Since 2001, many theoretical and experimental works have argued that classically chaotic single-electron dynamics influences and controls collective electron transport. For transport in semiconductor superlattices under tilted magnetic and electric fields, these theories rely on a reduction to a one-dimensional self-consistent drift model. A two-dimensional theory based on self-consistent Boltzmann transport does not support that single-electron chaos influences collective transport...
December 2017: Physical Review. E
https://www.readbyqxmd.com/read/29346928/signatures-of-classical-structures-in-the-leading-eigenstates-of-quantum-dissipative-systems
#18
Gabriel G Carlo, Leonardo Ermann, Alejandro M F Rivas, María E Spina
By analyzing a paradigmatic example of the theory of dissipative systems-the classical and quantum dissipative standard map-we are able to explain the main features of the decay to the quantum equilibrium state. The classical isoperiodic stable structures typically present in the parameter space of these kinds of systems play a fundamental role. In fact, we have found that the period of stable structures that are near in this space determines the phase of the leading eigenstates of the corresponding quantum superoperator...
September 2017: Physical Review. E
https://www.readbyqxmd.com/read/29346796/background-factors-and-subjective-voice-symptoms-in-patients-with-acquired-vocal-fold-scarring-and-sulcus-vocalis
#19
Emma Malmström, Stellan Hertegård
OBJECTIVE: Vocal fold scarring (VFS) and sulcus vocalis (SV) often result in severe and chronic voice disorders. This study compares subjective voice complaints as rated with the Voice Handicap Index and etiological factors for patients with VFS and SV. PATIENTS AND METHODS: Data were collected from the medical records at the Department of Otorhinolaryngology, Karolinska University Hospital, for 27 VFS patients and 27 SV patients. Descriptive background factors were compared between the groups and data were compared from the Swedish Voice Handicap Index (Sw-VHI) questionnaires...
January 18, 2018: Folia Phoniatrica et Logopaedica
https://www.readbyqxmd.com/read/29346521/the-intracellular-and-intercellular-cross-talk-during-subsidiary-cell-formation-in-zea-mays-existing-and-novel-components-orchestrating-cell-polarization-and-asymmetric-division
#20
P Apostolakos, P Livanos, E Giannoutsou, E Panteris, B Galatis
Background: Formation of stomatal complexes in Poaceae is the outcome of three asymmetric and one symmetric cell division occurring in particular leaf protodermal cells. In this definite sequence of cell division events, the generation of subsidiary cells is of particular importance and constitutes an attractive model for studying local intercellular stimulation. In brief, an induction stimulus emitted by the guard cell mother cells (GMCs) triggers a series of polarization events in their laterally adjacent protodermal cells...
January 15, 2018: Annals of Botany
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