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Lacrimal gland

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https://www.readbyqxmd.com/read/28319642/therapeutic-efficacy-of-nanocomplex-of-poly-ethylene-glycol-and-catechin-for-dry-eye-disease-in-a-mouse-model
#1
Hyesook Lee, Whuisu Shim, Chae Eun Kim, So Yeon Choi, Haeshin Lee, Jaewook Yang
Purpose: We investigated the possibility of the nanocomplex of poly(ethylene glycol) (PEG) and catechin as a new biomedical material to treat dry eye disease. Methods: NOD.B10.H2b mice were exposed to an air draft and injected with scopolamine for 10 days. Ten days later, the mice were treated with normal saline (n = 11), 1% catechin (n = 11), 1% PEG (n = 11), and 1% catechin/PEG nanocomplex solution mixture containing catechin and PEG at weight ratios of 1:1 (CP1, n = 11), 1:5 (CP5, n = 11), and 1:10 (CP10, n = 11)...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28306365/ulcerative-granuloma-of-the-eyelid-as-the-initial-manifestation-of-granulomatosis-with-polyangiitis-wegener-s-granulomatosis-a-case-report
#2
Helena Brosa Morros, Olaia Subirà, Montse Gomà Gàllego, Maria José Paúles Villar, Ferran Mascaró Zamora, Maravillas Abia Serrano
A 56-year-old-man presented a 2-month history of chalazion in the eyelids without response to treatment and with an inconclusive biopsy. Laboratory results confirmed the presence of Enterobacter cloacae and Streptococcus gordonii infection. Despite appropriate intravenous antibiotic treatment, clinical worsening was observed. Radical surgical excision and total tarsorrhaphy were performed. Following treatment, the patient was asymptomatic for 6 weeks until he developed acute renal failure, generalised arthralgia, acute hypertensive anterior uveitis, and dacryoadenitis...
March 17, 2017: Orbit
https://www.readbyqxmd.com/read/28303065/bilateral-lacrimal-caruncle-lesions
#3
Yuta Okumura, Yoshiko Takai, Shunsuke Yasuda, Hiroko Terasaki
A 65-year-old man was referred to our hospital for the treatment of a lesion on the medial lacrimal canthus of both eyes. He had a history of perinuclear anti-neutrophil cytoplasmic antibodies, i.e., pANCA-positive interstitial pneumonia. Orbital magnetic resonance imaging excluded space occupying lesions, and laboratory testing excluded thyroid-related diseases. The masses were excised, and histopathological examinations showed sebaceous gland hyperplasia and inflammatory changes around the gland. In addition, the specimen from the left eye showed a retention cyst possibly caused by an infection...
February 2017: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/28283891/the-potential-role-for-early-biomarker-testing-as-part-of-a-modern-multidisciplinary-approach-to-sj%C3%A3-gren-s-syndrome-diagnosis
#4
REVIEW
Kenneth A Beckman, Jodi Luchs, Mark S Milner, Julian L Ambrus
Sjögren's syndrome (SS) is a chronic and progressive multisystem autoimmune disease typically managed by rheumatologists. Diagnostic delays are common, due in large part to the non-specific and variable nature of SS symptoms and the slow progression of disease. The hallmark characteristics of SS are dry eye and dry mouth, but there are a broad range of other possible symptoms such as joint and muscle pain, skin rashes, chronic dry cough, vaginal dryness, extremity numbness or tingling, and disabling fatigue...
March 10, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28281688/effects-of-silk-fibroin-in-murine-dry-eye
#5
Chae Eun Kim, Ji Hyun Lee, Yeung Kyu Yeon, Chan Hum Park, JaeWook Yang
The study aimed to investigate the effects of silk fibroin in a mouse model of dry eye. The experimental dry eye mouse model was developed using more than twelve-weeks-old NOD.B10.H2(b) mice exposing them to 30-40% ambient humidity and injecting them with scopolamine hydrobromide for 10 days. Tear production and corneal irregularity score were measured by the instillation of phosphate buffered saline or silk fibroin. Corneal detachment and conjunctival goblet cell density were observed by hematoxylin and eosin or periodic acid Schiff staining in the cornea or conjunctiva...
March 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28272212/ophthalmic-manifestations-in-igg4-related-disease-clinical-presentation-and-response-to-treatment-in-a-french-case-series
#6
Mikael Ebbo, Matthieu Patient, Aurelie Grados, Matthieu Groh, Julien Desblaches, Eric Hachulla, David Saadoun, Sylvain Audia, Aude Rigolet, Benjamin Terrier, Antoinette Perlat, Constance Guillaud, Frederic Renou, Emmanuelle Bernit, Nathalie Costedoat-Chalumeau, Jean-Robert Harlé, Nicolas Schleinitz
IgG4-related disease (IgG4-RD) is characterized by variable tissue or organ involvements sharing common pathological findings. Orbital or orbital adnexa involvement of the disease has been reported in a few case series. The aim of our study was to characterize and analyze ophthalmic manifestations from a nationwide French case-series.Patients with IgG4-RD and orbital or orbital adnexa involvement included in the French multicentric IgG4-RD case-registry were identified. Only patients fulfilling "modified" comprehensive diagnostic criteria with pathological documentation were retained for the study...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28270126/analysis-of-novel-sjogren-s-syndrome-autoantibodies-in-patients-with-dry-eyes
#7
Sandra Everett, Sahana Vishwanath, Vanessa Cavero, Long Shen, Lakshmanan Suresh, Kishore Malyavantham, Norah Lincoff-Cohen, Julian L Ambrus
BACKGROUND: Dry eye is a common problem in Ophthalmology and may occur for many reasons including Sjogren's syndrome (SS). Recent studies have identified autoantibodies, anti-salivary gland protein 1 (SP1), anti-carbonic anhydrase 6 (CA6) and anti-parotid secretory protein (PSP), which occur early in the course of SS. The current studies were designed to evaluate how many patients with idiopathic dry eye and no evidence of systemic diseases from a dry eye practice have these autoantibodies...
March 7, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28260285/-value-of-dce-mri-and-dwi-in-the-differential-diagnosis-of-inflammatory-pseudotumor-and-lymphoma-in-the-lacrimal-gland
#8
L L Feng, J F Xian, F Yan, L Fu, H Y Zhou
Objective: To evaluate the value of dynamic contrast-enhanced MR (DCE-MRI) and diffusion weighted MR (DWI) in differential diagnosis of inflammatory pseudotumor and lymphoma in the lacrimal gland. Methods: In this retrospective study, a total of 24 cases of inflammatory pseudotumor and 22 cases of lymphoma in the lacrimal gland at Beijing Tongren Hospital confirmed by histological results were enrolled from January 2010 to January 2015.DCE-MRI and DWI were performed in these cases, and the type of time-signal intensity curve (time-intensity curve, TIC), the peak contrast index (CIpeak), maximum enhancement ratio (ERmax), washout ratio (WR) and ADC value were analyzed...
February 21, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28258566/aquaporins-and-gland-secretion
#9
Christine Delporte
Aquaporins (AQPs ) are expressed in most exocrine and endocrine secretory glands. Consequently, summarizing the expression and functions of AQPs in secretory glands represents a daunting task considering the important number of glands present in the body, as well as the number of mammalian AQPs - thirteen. The roles played by AQPs in secretory processes have been investigated in many secretory glands. However, despite considerable research, additional studies are clearly needed to pursue our understanding of the role played by AQPs in secretory processes...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28257384/meibomian-gland-dysfunction-in-patients-with-chemotherapy-induced-lacrimal-drainage-obstruction
#10
Youngsub Eom, Sehyun Baek, Hyo Myung Kim, Jong Suk Song
PURPOSE: To investigate the relationship between chemotherapy-induced lacrimal drainage (LD) obstruction and obstructive meibomian gland dysfunction. METHODS: Twenty patients who had received chemotherapy were divided into 2 groups, according to the presence of LD obstruction: the LD obstruction group (n = 10) and control group (n = 10). Upper and lower meibomian gland loss was evaluated using noncontact meibography, and tear film lipid layer thickness was measured using an interferometer...
March 1, 2017: Cornea
https://www.readbyqxmd.com/read/28237145/application-of-rose-and-wright-s-algorithm-in-the-diagnosis-of-lacrimal-gland-masses-a-study-of-93-cases
#11
Xiang-Ning Wang, Jiang Qian, Yi-Fei Yuan, Rui Zhang, Yan-Qing Zhang
OBJECTIVE: To investigate the application of Rose and Wright's algorithm in diagnosing lacrimal gland masses. DESIGN: Retrospective observational cases series. PARTICIPANTS: A total of 93 consecutive patients with primary masses within the orbital lobe of the lacrimal gland were reviewed. METHODS: Before treatment, patients' detailed history was collected verbally and all patients underwent image examination (computed tomography and magnetic resonance imaging)...
February 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/28235631/clinicopathologic-features-of-peripheral-nerve-sheath-tumors-involving-the-eye-and-ocular-adnexa
#12
Mingjuan L Zhang, Maria J Suarez, Thomas M Bosley, Fausto J Rodriguez
Peripheral nerve sheath tumors (PNSTs) are known to occur in the orbit and comprise 4% of all orbital tumors, but have not been well-studied in contemporary literature. Ninety specimens involving the eye and ocular adnexa (1979-2015) from 67 patients were studied. The mean age was 32.5years. Locations included orbit (58.9%), eyelid (60.0%) and other ocular adnexa. A large majority of specimens were neurofibromas (70.0%), followed by schwannomas (11.1%), neuromas (11.1%), granular cell tumors (n=4), nerve sheath myxomas (n=2), and malignant peripheral nerve sheath tumor (n=1)...
February 21, 2017: Human Pathology
https://www.readbyqxmd.com/read/28221296/long-term-outcomes-of-eye-sparing-surgery-for-adenoid-cystic-carcinoma-of-lacrimal-gland
#13
Jisang Han, Yoon-Duck Kim, Kyung In Woo, Deepak Sobti
PURPOSE: This study's primary purpose is to assess the long-term outcomes of patients who have undergone eye-sparing surgery and adjuvant radiotherapy for adenoid cystic carcinoma of the lacrimal gland. METHODS: In this retrospective analysis, clinical records were reviewed of all patients diagnosed with adenoid cystic carcinoma of the lacrimal gland, at a single institution, between March 1998 and November 2012. Ten patients were identified as having undergone eye-sparing surgery and adjuvant radiotherapy for adenoid cystic carcinoma of the lacrimal gland...
February 17, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28203199/plexiform-neurofibroma-involving-the-lacrimal-gland
#14
Mikael Hofsli, Nico Gampenrieder, Steffen Heegaard
BACKGROUND: To present a rare case of a 2-year-old girl with neurofibromatosis type 1 (NF1) who presented with ptosis of the right upper eyelid along with a tumor in the eyelid. METHODS: A magnetic resonance imaging scan of the orbit revealed a solid tumor located extraconally at the site of the right lacrimal gland. A transcranial orbitotomy was performed. RESULTS: Histopathological examination demonstrated expanded nerve branches/fascicles cut in various planes in between normal lacrimal gland acini...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28203109/a-b-cell-lymphoma-case-that-is-unclassifiable-and-intermediate-between-diffuse-large-b-cell-lymphoma-and-burkitt-lymphoma-of-lacrimal-gland
#15
Tatsuya Yunoki, Jun Murakami, Yukihiro Imagawa, Takahiko Nakajima, Atsushi Hayashi
A 60-year-old woman presented with acute eyelid swelling and a subcutaneous hemorrhage in the right eye. Magnetic resonance imaging showed a spherical tumor of the lacrimal gland. The tumor was removed by the Kroenlein method. We diagnosed as a B-cell lymphoma that is unclassifiable, and intermediate between diffuse large B-cell lymphoma (DLBCL) and Burkitt lymphoma (BL) (intermediate DLBCL/BL) based on its immunohistopathological examination and c-MYC/IgH rearrangement. We administered six cycles of dose-adjusted-EPOCH-R (etoposide, prednisone, vincristine, cyclophosphamide, doxorubicin hydrochloride, and rituximab) therapy, and remission of the lymphoma was obtained...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/28192800/molecular-profiling-of-the-developing-lacrimal-gland-reveals-putative-role-of-notch-signaling-in-branching-morphogenesis
#16
Galina Dvoriantchikova, Wensi Tao, Steve Pappas, Gabriel Gaidosh, David T Tse, Dmitry Ivanov, Daniel Pelaez
Purpose: Although normal function of the lacrimal gland is essential for vision (and thus for human well-being), the lacrimal gland remains rather poorly understood at a molecular level. The purpose of this study was to identify new genes and signaling cascades involved in lacrimal gland development. Methods: To identify these genes, we used microarray analysis to compare the gene expression profiles of developing (embryonic) and adult lacrimal glands. Differential data were validated by quantitative RT-PCR, and several corresponding proteins were confirmed by immunohistochemistry and Western blot analysis...
February 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28170196/lacrimal-gland-repair-using-progenitor-cells
#17
Anastasia Gromova, Dmitry A Voronov, Miya Yoshida, Suharika Thotakura, Robyn Meech, Darlene A Dartt, Helen P Makarenkova
In humans, the lacrimal gland (LG) is the primary contributor to the aqueous layer of the tear film. Production of tears in insufficient quantity or of inadequate quality may lead to aqueous-deficiency dry eye (ADDE). Currently there is no cure for ADDE. The development of strategies to reliably isolate LG stem/progenitor cells from the LG tissue brings great promise for the design of cell replacement therapies for patients with ADDE. We analyzed the therapeutic potential of epithelial progenitor cells (EPCPs) isolated from adult wild-type mouse LGs by transplanting them into the LGs of TSP -1(-/-) mice, which represent a novel mouse model for ADDE...
January 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28165063/heavy-chain-hyaluronan-pentraxin-3-from-amniotic-membrane-suppresses-inflammation-and-scarring-in-murine-lacrimal-gland-and-conjunctiva-of-chronic-graft-versus-host-disease
#18
Yoko Ogawa, Hua He, Shin Mukai, Toshihiro Imada, Shigeru Nakamura, Chen-Wei Su, Megha Mahabole, Scheffer C G Tseng, Kazuo Tsubota
Chronic graft-versus-host disease (cGVHD) is a major complication of hematopoietic stem cell transplantation. Dry eye disease is the prominent ocular sequel of cGVHD and is caused by excessive inflammation and fibrosis in the lacrimal glands. Heavy chain-Hyaluronan/Pentraxin 3 (HC-HA/PTX3) is a complex purified from human amniotic membrane (AM) and known to exert anti-inflammatory and anti-scarring actions. In this study, we utilized a mouse model of cGVHD to examine whether HC-HA/PTX3 could attenuate dry eye disease elicited by cGVHD...
February 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28165054/novel-treatment-of-chronic-graft-versus-host-disease-in-mice-using-the-er-stress-reducer-4-phenylbutyric-acid
#19
Shin Mukai, Yoko Ogawa, Fumihiko Urano, Chie Kudo-Saito, Yutaka Kawakami, Kazuo Tsubota
Chronic graft-versus-host disease (cGVHD) is a notorious complication of allogeneic hematopoietic stem cell transplantation and causes disabling systemic inflammation and fibrosis. In this novel study, we focused on a relationship between endoplasmic reticulum (ER) stress and cGVHD, and aimed to create effective treatment of cGVHD. A series of experiments were conducted using a mouse model of cGVHD. Our data suggested (1) that ER stress was elevated in organs affected by cGVHD and (2) that 4-phenylbutyric acid (PBA) could reduce cGVHD-induced ER stress and thereby alleviate systemic inflammation and fibrosis...
February 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28159752/studies-of-an-androgen-binding-protein-knockout-corroborate-a-role-for-salivary-abp-in-mouse-communication
#20
Amanda G Chung, Phillip M Belone, Barbora Vošlajerová Bímová, Robert M Karn, Christina M Laukaitis
The house mouse Androgen-binding protein (Abp) gene family is comprised of 64 paralogs, 30 Abpa and 34 Abpbg, encoding the alpha (ABPA) and betagamma (ABPBG) protein subunits that are disulfide-bridged to form dimers in secretions. Only 14 Abp genes are expressed in distinct patterns in the lacrimal (11) and submandibular glands (3). We created a knockout mouse line lacking two of the three genes expressed in submandibular glands, Abpa27 and Abpbg27, by replacing them with the neomycin resistance gene. The knockout genotype (-/-) showed no Abpa27 or Abpbg27 transcripts in submandibular gland cDNA libraries and there was a concomitant lack of protein expression of ABPA27 and ABPBG27 in the -/- genotype saliva, shown by elimination of these two proteins from the saliva proteome and the loss of cross-reactive material in the acinar cells of the submandibular glands...
February 3, 2017: Genetics
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