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impression cytology

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https://www.readbyqxmd.com/read/28643798/topical-administration-of-esculetin-as-a-potential-therapy-for-experimental-dry-eye-syndrome
#1
D Jiang, X Liu, J Hu
PurposeIn this study, we investigated the therapeutic effects of topical Esculetin for dry eye rabbits through the ocular tests, inflammatory factor levels and specific phosphorylated protein expressions of ERK1/2 singnal pathway.Patients and methodsThirty-two healthy adult male New Zealand white rabbits were chosen for the study. DES models were established after removing of the main lacrimal gland, Harderian gland and nictitating membrane in the left eyes and randomly divided into group DES control, group CsA, group Esculetin and group Esculetin combined with CsA (C&E), meanwhile the right eyes served as group Normal control...
June 23, 2017: Eye
https://www.readbyqxmd.com/read/28582373/ocular-surface-changes-after-sulfur-mustard-exposure-in-rabbits-monitored-by-impression-cytology
#2
Shlomit Dachir, Hila Gutman, Ariel Gore, Liat Cohen, Maayan Cohen, Adina Amir, Vered Horwitz, Tamar Kadar
PURPOSE: Ocular injuries after exposure to sulfur mustard (SM) are characterized by acute corneal erosion and inflammation of the anterior segment that may be followed by delayed corneal neovascularization and epithelial defects, associated with limbal stem cell deficiency in part of the exposed eyes. This study aimed to further clarify the mechanism of the late injury by monitoring SM-induced cytological alterations in the ocular surface, in relation to the clinical symptoms, using impression cytology (IC)...
June 2, 2017: Cornea
https://www.readbyqxmd.com/read/28557568/a-grid-based-nucleus-counting-method-for-estimates-of-the-density-of-superficial-conjunctival-cells-from-impression-cytology-samples-taken-from-normal-healthy-human-eyes
#3
Michael J Doughty
PURPOSE: To develop and validate an easily procured objective estimate of the cell density of the superficial epithelial cells of the normal bulbar conjunctiva using conjunctival impression cytology (CIC). METHODS: From 20 healthy non-contact lens-wearing young adults, CIC was undertaken off the nasal aspect of the exposed bulbar conjunctiva, the filters stained with Giemsa, and images taken at 200× that only included an all-but-contiguous monolayer of epithelial cells...
May 30, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28535133/impression-smear-agreement-with-acetate-tape-preparation-for-cytologic-sampling
#4
Elizabeth A Layne, Sonja Zabel
Cutaneous cytologic sampling techniques are used to detect bacteria, yeast, and inflammatory cells for diagnosis and therapeutic monitoring. Studies have examined slide evaluation techniques, ear swab cytology staining methods, and observer variations; few studies compare common clinical sampling techniques. The primary aim of this study was to measure detection of microorganisms and neutrophils by impression smear compared to acetate tape preparation; comparison of agreement between two acetate tape staining methods was a secondary aim...
May 23, 2017: Journal of the American Animal Hospital Association
https://www.readbyqxmd.com/read/28524144/-new-approaches-to-the-treatment-of-keratoconjunctivitis-sicca
#5
T N Safonova, O V Gladkova, I A Novikov, V I Boev, A A Fedorov
A new method has been developed for the treatment of severe forms of keratoconjunctivitis sicca (KCS) that involves the use of an original cyclosporine A (CyA) saturated soft contact lens (SCL) together with preservative-free artificial tears therapy. AIM: to evaluate the effectiveness of the newly developed treatment for KCS based on the use of medical SCL saturated with 0.05% CyA. MATERIAL AND METHODS: The patients (43 men, 60 eyes) with severe KCS were divided into 2 groups...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28523309/immunohistochemical-expression-of-ki-67-and-p53-along-with-their-digitalized-evaluation-in-the-discriminatory-analysis-of-reactive-atypia-and-dysplastic-lesions-in-gastrointestinal-biopsies-of-the-stomach
#6
Dan Ştefan Sâmpălean, Mihai Turcu, Annamária Fetykó, Jenő Róbert Bartha, Simona Maria BăŢagă, Sabin Gligore Turdean
The differential diagnosis between reactive atypia and non-invasive neoplasia (or dysplasia) can be challenging in the case of small conventional forceps biopsy specimens of the stomach. Despite the existence of several classifications for neoplastic epithelial lesions of the stomach, there are few auxiliary tools for aiding in this decision besides standard stains. We studied the utility of Ki-67 and p53 immunohistochemistry in this setting and their clinico-pathological correlations, based on a set of 99 cases with cytological or architectural atypia reviewed by three pathologists...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28513494/tear-film-and-ocular-surface-dysfunction-in-diabetes-mellitus-in-an-indian-population
#7
Divya Kesarwani, Syed Wajahat Ali Rizvi, Adeeb Alam Khan, Abadan Khan Amitava, Shaista Manan Vasenwala, Ziya Siddiqui
PURPOSE: Ophthalmic complications in diabetes such as retinopathy, cataract, and infections have been extensively studied. Recently, attention has been drawn toward ocular surface changes in diabetes mellitus (DM). This study has been carried out to investigate the tear film and ocular surface abnormalities in type II DM patients. MATERIALS AND METHODS: A total of 83 participants (130 eyes) were enrolled: 53 diabetics (80 eyes) and 30 healthy controls (50 eyes)...
April 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28479849/impression-cytology-implicates-cell-autophagy-in-aqueous-deficiency-dry-eye
#8
Tony Lin, Richard Filek, Joy M Wang, Chong H Wu, Hong Liu, Cindy Ml Hutnik
PURPOSE: Impression cytology in combination with a cell autophagy marker was used to demonstrate the utility of a novel frozen section technique, to assess the health of the ocular surface, as well as to correlate autophagic cell death with the commonly used clinical tests for dry eye. METHODS: Female patients over the age of 18 years who attended an outpatient ophthalmology clinic were invited to participate. Schirmer's test, tear film break-up time and the ocular surface disease index questionnaire were used as objective and subjective clinical tests for dry eye...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28448672/correlation-between-the-inflammatory-marker-hla-dr-and-signs-and-symptoms-in-moderate-to-severe-dry-eye-disease
#9
Françoise Brignole-Baudouin, Luisa Riancho, Dahlia Ismail, Maëva Deniaud, Mourad Amrane, Christophe Baudouin
Purpose: To investigate correlations of the inflammatory HLA-DR marker with clinical signs and symptoms commonly used to assess dry eye disease (DED) severity. Methods: Baseline data were collected from three clinical studies conducted on moderate to severe DED patients. Characteristics of DED were analyzed and correlations were performed in 311 patients. Data were analyzed after treatment with 1 mg/mL cyclosporine (CsA) and vehicle. We quantified HLA-DR by flow cytometry in impression cytology specimens...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28426441/diagnosis-of-corneal-limbal-stem-cell-deficiency
#10
REVIEW
Kyeong Hwan Kim, Shahzad I Mian
PURPOSE OF REVIEW: A state of limbal stem cell deficiency (LSCD) can be secondary to a number of etiologies, resulting in either a reduction in the total number of limbal stem cells or an abnormality in stem cell function. Initially, the epithelium becomes irregular and hazy; however, this condition may progress to persistent corneal epithelial defects, stromal scarring, ulceration, and even perforation. Since LSCD secondary to a variety of etiologies may be reversible, and various factors are prognostic of disease progression, timely diagnosis is important...
July 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28404931/a-retrospective-analysis-of-the-utility-of-endocervical-curettage-in-screening-population
#11
Yan Song, Yu-Qian Zhao, Ling Li, Qin-Jin Pan, Nan Li, Fang-Hui Zhao, Wen Chen, Xun Zhang, You-Lin Qiao
The performance of endocervical curettage (ECC) is a dispute in population screening programs. Data of 3,460 women referred to colposcopy examination and had completed pathological results in the Shanxi Province Cervical Cancer Screening Study I and II were reviewed. Among them, 0.6% and 2.7% women were identified as the histopathological confirmed high-grade squamous intraepithelial lesion or worse (HSIL+) by ECC alone or both ECC and quadrants biopsy respectively. Age, cytology, and colposcopy impression are the impact factors for the HSIL+ yield of ECC (P<0...
February 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28403024/multimodal-hyperspectroscopic-imaging-for-detection-of-high-grade-cervical-intraepithelial-neoplasia
#12
Renée M F Ebisch, Marjolein Hermens, Petronella A J van den Akker, Leon F A G Massuger, Willem J G Melchers, Ruud L M Bekkers
OBJECTIVE: Numerous new alternative digital colposcopy techniques have been developed, of which multimodal hyperspectroscopy (MHS) showed a high sensitivity in previous studies. The objective of this prospective single-center cohort study was to evaluate the clinical value of MHS for detecting high-grade cervical intraepithelial neoplasia in a colposcopy referral population and colposcopy follow-up population, to assess whether MHS could be safely used to improve care for women at risk for high-grade cervical intraepithelial neoplasia...
April 11, 2017: Journal of Lower Genital Tract Disease
https://www.readbyqxmd.com/read/28391980/histamine-h1-and-h4-receptor-expression-on-the-ocular-surface-of%C3%A2-patients-with-chronic-allergic-conjunctival-diseases
#13
Noriko Inada, Jun Shoji, Yukiko Shiraki, Hiroshi Aso, Satoru Yamagami
BACKGROUND: This study investigated the histamine H1 and H4 receptors mRNA (H1R and H4R, respectively) expression on the ocular surface of patients with chronic forms of allergic conjunctival diseases to determine whether they can serve as biomarkers for allergic inflammation in the conjunctiva. METHODS: We examined 19 patients with vernal or atopic keratoconjunctivitis (AKC/VKC group) and 15 healthy volunteers (control group). The AKC/VKC group was divided into active and stable stage subgroups...
April 5, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28390092/clinical-impact-of-inflammation-in-dry-eye-disease-proceedings-of-the-odissey-group-meeting
#14
REVIEW
Christophe Baudouin, Murat Irkeç, Elisabeth M Messmer, José M Benítez-Del-Castillo, Stefano Bonini, Francisco C Figueiredo, Gerd Geerling, Marc Labetoulle, Michael Lemp, Maurizio Rolando, Gysbert Van Setten, Pasquale Aragona
Dry eye disease (DED) is a common, multifactorial ocular condition with major impact on vision and quality of life. It is now well recognized that the pathophysiology of chronic DED can include a cycle of inflammation involving both innate and adaptive immune responses. Recently, in vitro/in vivo models have been used to obtain a better understanding of DED-related inflammatory processes at molecular/cellular levels although they do not truly reproduce the complex and chronic hallmarks of human DED. In clinical DED research, advanced techniques such as impression cytology, conjunctival biopsy, in vivo confocal microscopy and multiplex tear analyses have allowed an improved assessment of inflammation in DED patients...
April 8, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28375792/safety-and-efficacy-of-cortisol-phosphate-in-hyaluronic-acid-vehicle-in-the-treatment-of-dry-eye-in-sjogren-syndrome
#15
Maurizio Rolando, Aldo Vagge
PURPOSE: Evaluation of 0.3% cortisol phosphate eye drops in hyaluronic acid vehicle in the treatment of dry eye in Sjogren Syndrome. METHODS: This prospective, single-center, masked (single blind), randomized controlled study included 40 female patients divided into 2 groups, group 1 treated with Idracemi, 0.3% cortisol phosphate eye drops twice a day, and group 2 treated with Cortivis, 0.3% cortisol phosphate in hyaluronic acid vehicle, with the same posology. Screening (day -7), randomization (day 0), follow-up (day 7), and termination (day 28) visits were conducted...
June 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28346860/comparison-of-short-term-effects-of-diquafosol-and-rebamipide-on-mucin-5ac-level-on-the-rabbit-ocular-surface
#16
Yuichi Hori, Tomofumi Kageyama, Asuka Sakamoto, Tomoaki Shiba, Masatsugu Nakamura, Takatoshi Maeno
PURPOSE: To investigate the short-term effects of 2 new secretagogue eye drops for dry eye, 3% diquafosol tetrasodium ophthalmic solution (diquafosol) and 2% rebamipide ophthalmic suspension (rebamipide), on the concentration of mucin 5AC (MUC5AC) in rabbit tear fluid and conjunctival goblet cells. METHODS: One dose of artificial tears, diquafosol or rebamipide, was instilled into 8 eyes of Japanese white rabbits. MUC5AC concentration in the tear fluid was examined using the enzyme-linked immunosorbent assay 15 min after instillation and compared with 8 untreated controls...
March 27, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28346747/agreement-between-cytotechnologists-and-cytopathologists-as-a-new-measure-of-cytopathologist-performance-in-gynecologic-cytology
#17
Andrew M Quinn, Abu T Minhajuddin, Linda S Hynan, Joan S Reisch, Edmund S Cibas
BACKGROUND: Although objective measures of cytotechnologist (CT) and cytopathologist (CP) performance exist, challenges remain. Two assumptions deserve examination: CPs' interpretations are correct, and CTs and CPs render interpretations independently of each other. This study presents a CT-CP interpretation comparison and provides insight into these assumptions. METHODS: Every gynecologic cytology specimen examined by both a CT and a CP from December 2004 to March 2015 was extracted from the laboratory information system; glandular interpretations were excluded...
March 27, 2017: Cancer
https://www.readbyqxmd.com/read/28345628/tissue-resident-memory-t-cells-in-the-human-conjunctiva-and-immune-signatures-in-human-dry-eye-disease
#18
Tanima Bose, Ryan Lee, Aihua Hou, Louis Tong, K George Chandy
Non-recirculating resident memory (TRM) and recirculating T cells mount vigorous immune responses to both self and foreign antigens in barrier tissues like the skin, lung and gastrointestinal tract. Using impression cytology followed by flow cytometry we identified two TRM subsets and four recirculating T-subsets in the healthy human ocular surface. In dry eye disease, principal component analysis (PCA) revealed two clusters of patients with distinct T-cell signatures. Increased conjunctival central memory and naïve T cells characterized Cluster-1 patients, and increased CD8(+) TRMs and CD4(+) recirculating memory T cells characterized Cluster-2 patients...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28345224/involvement-of-multiple-chlamydia-suis-genotypes-in-porcine-conjunctivitis
#19
R Chahota, H Ogawa, K Ohya, T Yamaguchi, K D E Everett, H Fukushi
Chlamydia suis has been detected in numerous disease conditions of pigs, particularly in eye infections. This study examined recurring conjunctivitis cases in five commercial pig farms in Japan. 40.5% of the cases were identified as Chlamydia positive using impression cytology of ocular smears and a genus-specific direct fluorescent antibody. C. suis was detected in 59.5% of the samples using PCR tests targeting 16S-23S rRNA intergenic spacer region (ISR) and ompA gene. Genetic analysis of PCR amplicons revealed nine sequence variants of 16S-23S rRNA ISR and 20 sequence variants within ompA gene...
March 27, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/28336260/the-analysis-of-human-conjunctival-epithelium-proteome-in-ocular-surface-diseases-using-impression-cytology-and-2d-dige
#20
Javier Soria, Arantxa Acera, Juan A Durán, Ana Boto-de-Los-Bueis, Almudena Del-Hierro-Zarzuelo, Nerea González, Rebeca Reigada, Tatiana Suárez
Conjunctival impression cytology samples from patients with meibomian gland dysfunction (MGD), dry eye (DE), and healthy subjects (CT) were collected for determination of the degree of squamous metaplasia (SM) by PAS-hematoxylin staining and for comparative proteomic analyses by 2D-DIGE. The protein spots with discriminant expression were identified by MALDI-TOF/TOF mass spectrometry. Three independent statistical studies were conducted: i). Analysis of differential protein expression between study groups: We observed increased expression of proteins S100A4, S100A8, retinal dehydrogenase-1, peroxiredoxin-1, annexin-A1, annexin-A2, α-enolase, and glutathione S-transferase-P in DE, whereas the highest expression of peroxiredoxin-6, actin cytoplasmic-1, peroxiredoxin-2, and heat shock protein HSP-90-α was observed in MGD; ii)...
March 20, 2017: Experimental Eye Research
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