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https://www.readbyqxmd.com/read/28299439/vitamin-b12-deficiency-evaluation-and-treatment-in-severe-dry-eye-disease-with-neuropathic-ocular-pain
#1
Serkan Ozen, Murat Atabey Ozer, Mehmet Orçun Akdemir
PURPOSE: This study aims to understand the effect of vitamin B12 deficiency on neuropathic ocular pain (NOP) and symptoms in patients with dry eye disease (DED). METHODS: Patients with severe DED (without receiving topical artificial tears treatment) and ocular pain were enrolled (n = 90). Patients with severe DED and vitamin B12 deficiency (group 1, n = 45) received parenteral vitamin B12 supplement + topical treatment (artificial tears treatment + cyclosporine), and patients with severe DED and normal serum vitamin B12 level (group 2, n = 45) received only topical treatment (artificial tears treatment + cyclosporine)...
March 15, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28275666/data-representing-two-separate-lc-ms-methods-for-detection-and-quantification-of-water-soluble-and-fat-soluble-vitamins-in-tears-and-blood-serum
#2
Maryam Khaksari, Lynn R Mazzoleni, Chunhai Ruan, Robert T Kennedy, Adrienne R Minerick
Two separate liquid chromatography (LC)-mass spectrometry (MS) methods were developed for determination and quantification of water-soluble and fat-soluble vitamins in human tear and blood serum samples. The water-soluble vitamin method was originally developed to detect vitamins B1, B2, B3 (nicotinamide), B5, B6 (pyridoxine), B7, B9 and B12 while the fat-soluble vitamin method detected vitamins A, D3, 25(OH)D3, E and K1. These methods were then validated with tear and blood serum samples. In this data in brief article, we provide details on the two LC-MS methods development, methods sensitivity, as well as precision and accuracy for determination of vitamins in human tears and blood serum...
April 2017: Data in Brief
https://www.readbyqxmd.com/read/28245347/autologous-serum-eye-drops-for-dry-eye
#3
REVIEW
Qing Pan, Adla Angelina, Michael Marrone, Walter J Stark, Esen K Akpek
BACKGROUND: Theoretically, autologous serum eye drops (AS) offer a potential advantage over traditional therapies on the assumption that AS not only serve as a lacrimal substitute to provide lubrication but contain other biochemical components that allow them to mimic natural tears more closely. Application of AS has gained popularity as second-line therapy for patients with dry eye. Published studies on this subject indicate that autologous serum could be an effective treatment for dry eye...
February 28, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28212263/shoulder-synovial-fluid-lipoprotein-levels-and-their-relationship-to-the-rotator-cuff
#4
Daniel E Davis, Alexa Narzikul, Daniel Sholder, Mark Lazarus, Surena Namdari, Joseph Abboud
INTRODUCTION: Rotator cuff pathology has been proposed to occur through intrinsic and extrinsic mechanisms. Hyperlipidemia has been proposed as a mechanism of intrinsic rotator cuff pathology. This prospective observational study evaluates serum and synovial lipid profiles in patients with and without rotator cuff tears to further define the relationship of cholesterol and rotator cuff pathology. METHODS: Patients were prospectively enrolled with intact rotator cuff (37 patients) and rotator cuff tear requiring a repair (40 patients) groups...
March 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28184150/randomized-masked-in-vitro-comparison-of-three-commercially-available-tear-film-osmometers
#5
Guillermo Rocha, Eric Gulliver, Armand Borovik, Clara C Chan
PURPOSE: The purpose of this study was to compare the precision and accuracy of commercially available tear film osmometers. METHODS: Contrived tear solution target values representing the physiological range of tear osmolarity (normal eyes 297 mOsm/L, moderately dry eyes 342 mOsm/L, and severe dry eyes 383 mOsm/L) were constructed using a mix of mono- and divalent electrolytes, metabolites, serum albumin, and pH balanced to 7.4. Solution values were randomized and masked from the investigators during testing...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28182154/anterior-segment-findings-in-women-with-polycystic-ovary-syndrome
#6
Seda Karaca Adıyeke, Ibrahim Karaca, Suna Yıldırım, Mehmet Adıyeke, İbrahim Uyar, Gamze Türe
OBJECTIVES: This study aimed to investigate the anterior segment in women with polycystic ovary syndrome (PCOS) and to compare them with those of healthy reproductive-age female volunteers. MATERIALS AND METHODS: The study included 50 right eyes of 50 women with PCOS (group 1) and 50 right eyes of 50 healthy women (group 2). Intraocular pressure, Schirmer's test, tear film break-up time and central corneal thickness were evaluated in all subjects. Correlations between serum hormone (estradiol and testosterone) levels and observed findings were also investigated...
January 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28146241/meibomian-gland-physiology-in-pre-and-postmenopausal-women
#7
Tomo Suzuki, Yasuaki Minami, Aoi Komuro, Norihiko Yokoi, Shigeru Kinoshita
Purpose: The purpose of this study was to assess the change of meibomian gland physiology during the menstrual cycle and compare its physiology among pre- and postmenopausal women and men. Methods: This study involved 18 healthy subjects: 6 premenopausal women with a regular 28- to 30-day menstrual cycle, 6 postmenopausal women, and 6 men who were age-matched to the premenopausal women. All subjects measured basal body temperature every day at home and were seen once weekly for 5 weeks, and the menstrual state of the premenopausal subjects was masked until after the investigation...
February 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28139163/comparison-of-autologous-serum-versus-preservative-free-artificial-tear-in-patients-with-dry-eyes-due-to-systemic-isotretinoin-therapy
#8
Uğur Yılmaz, Erkut Küçük, Çağdaş Koç, Enes Gökler
PURPOSE: To investigate dry eye development in the patients receiving systemic retinoic acid therapy and to compare effectiveness of Autologous Serum (AS) and preservative free artificial tear (PFAT) in the patients with dry eye disease. METHOD: This prospective, crossover, double blind study was conducted on patients who have dry eyes due to systemic isotretinoin treatment for different indications. Patients detected as having dry eye during systemic isotretinoin treatment were included to our study...
January 31, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28129516/intra-articular-recombinant-human-proteoglycan-4-mitigates-cartilage-damage-after-destabilization-of-the-medial-meniscus-in-the-yucatan-minipig
#9
Kimberly A Waller, Kaitlyn E Chin, Gregory D Jay, Ling X Zhang, Erin Teeple, Scott McAllister, Gary J Badger, Tannin A Schmidt, Braden C Fleming
BACKGROUND: Lubricin, or proteoglycan 4 (PRG4), is a glycoprotein responsible for joint boundary lubrication. PRG4 has been shown previously to be down-regulated after traumatic joint injury such as a meniscal tear. Preliminary evidence suggests that intra-articular injection of PRG4 after injury will reduce cartilage damage in rat models of surgically induced posttraumatic osteoarthritis. OBJECTIVE: To determine the efficacy of intra-articular injection of full-length recombinant human lubricin (rhPRG4) for reducing cartilage damage after medial meniscal destabilization (DMM) in a preclinical large animal model...
January 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28124649/dry-eye-disease-and-allergic-conditions-a-korean-nationwide-population-based-study
#10
Minkyeong Kim, Jong-Hyun Oh, Choul Yong Park, Sang Wha Lee
BACKGROUND: Dry eye disease (DED) is a multifactorial disease of the tears and ocular surface. No epidemiologic reports have yet been published about the relationship between DED and allergic rhinitis or sensitization to allergens. OBJECTIVE: To investigate the association between DED and allergic conditions in the general adult Korean population. METHODS: This population-based cross-sectional study included 17,542 individuals (ages ≥ 19 years) who participated in the Korea National Health and Nutrition Examination Survey (KNHANES) from 2010 to 2012...
November 1, 2016: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28120286/adverse-perinatal-outcomes-and-postpartum-multi-systemic-dysregulation-adding-vitamin-d-deficiency-to-the-allostatic-load-index
#11
Eynav Elgavish Accortt, James Mirocha, Christine Dunkel Schetter, Calvin J Hobel
Background Allostatic load (AL) is an index of multi-system physiological "wear-and-tear," operationalizing emergent chronic disease risk and predicting morbidity and mortality. AL has been proposed as an organizing framework for studying pregnancy outcomes and additional AL biomarkers for the study of maternal health would be valuable. Objectives To test whether adverse perinatal outcomes are associated with postpartum AL and if including vitamin D deficiency (serum 25(OH)D < 20 ng/ml) as an additional marker of postpartum AL increases the association...
January 24, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28026813/-mechanisms-of-perioperative-corneal-abrasions-alterations-in-tear-film-proteome
#12
E Yu Zernii, O S Gancharova, I E Ishutina, V E Baksheeva, M O Golovastova, E I Kabanova, M S Savchenko, M V Serebryakova, L F Sotnikova, A A Zamyatnin, P P Philippov, I I Senin
Perioperative corneal abrasion is an ophthalmic complication commonly found in patients underwent general anesthesia. In this study, correlations between development of corneal injury and proteomic changes in tear film during general anesthesia were examined using an animal (rabbit) model. Being started after 1-h anesthesia, the process of accumulation of pathological changes in the cornea unequivocally led clinically significant abrasions following 3-6 h of the narcosis. The corneal damage was associated with alterations in profiles of major proteins of the tear film...
November 2016: Biomedit︠s︡inskai︠a︡ Khimii︠a︡
https://www.readbyqxmd.com/read/28025000/determination-of-water-soluble-and-fat-soluble-vitamins-in-tears-and-blood-serum-of-infants-and-parents-by-liquid-chromatography-mass-spectrometry
#13
Maryam Khaksari, Lynn R Mazzoleni, Chunhai Ruan, Robert T Kennedy, Adrienne R Minerick
Tears serve as a viable diagnostic fluid with advantages including less invasive sample to collect and less complex to prepare for analysis. Several water-soluble and fat-soluble vitamins were detected and quantified in human tears and compared with blood serum levels. Samples from 15 family pairs, each pair consisting of a four-month-old infant and one parent were analyzed; vitamin concentrations were compared between tears and blood serum for individual subjects, between infants and parents, and against self-reported dietary intakes...
December 23, 2016: Experimental Eye Research
https://www.readbyqxmd.com/read/27984016/trace-elements-and-diabetes-assessment-of-levels-in-tears-and-serum
#14
A Cancarini, J Fostinelli, L Napoli, M E Gilberti, P Apostoli, F Semeraro
Tear film is critical for the well-being and homeostasis of the ocular surface. Although the composition of the tear film is well known, the composition of metallic elements have yet to be analysed. Despite trace elements metabolism has been reported to play a role in the pathogenesis of diabetes mellitus, a metabolic disease that affects several aspects of homeostasis, little is known in the literature regarding concentration and possible variation of metallic elements in tear film. We studied the concentrations of several essential and non-essential metallic elements in the tear fluid and serum of patients with type II diabetes mellitus and a group of non-diabetic controls...
October 29, 2016: Experimental Eye Research
https://www.readbyqxmd.com/read/27980879/lower-vitamin-d-level-and-distinct-tear-cytokine-profile-were-observed-in-patients-with-mild-dry-eye-signs-but-exaggerated-symptoms
#15
Rohit Shetty, Swaminathan Sethu, Priyanka Chevour, Kalyani Deshpande, Natasha Pahuja, Harsha Nagaraja, Narendra Pindipapanahalli, Arkasubhra Ghosh
PURPOSE: Dry eye is associated with inflammation, pain, and discomfort. Vitamin D is known to modulate immune responses and pain. This study investigates the level of serum vitamin D and tear-inflammatory proteins with relation to exaggerated symptoms in patients with mild dry eye. METHODS: Patients with mild dry eye signs (Dry Eye Workshop [DEWS] severity grade 1) but with exaggerated symptoms and healthy controls (n = 19, each) were recruited for this cross-sectional study...
December 2016: Translational Vision Science & Technology
https://www.readbyqxmd.com/read/27918832/the-effect-of-ambient-titanium-dioxide-microparticle-exposure-to-the-ocular-surface-on-the-expression-of-inflammatory-cytokines-in-the-eye-and-cervical-lymph-nodes
#16
Youngsub Eom, Jong Suk Song, Hyun Kyu Lee, Boram Kang, Hyeon Chang Kim, Hyung Keun Lee, Hyo Myung Kim
Purpose: To investigate the ocular immune response following exposure to airborne titanium dioxide (TiO2) microparticles. Methods: Rats in the TiO2-exposed group (n = 10) were exposed to TiO2 particles for 2 hours twice daily for 5 days, while the controls (n = 10) were not. Corneal staining score and tear lactic dehydrogenase (LDH) activity were measured to evaluate ocular surface damage, serum immunoglobulin (Ig) G and E were assayed by using enzyme-linked immunosorbent assay, and the size of cervical lymph nodes was measured...
December 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27901388/systemic-and-ocular-immune-responses-in-cattle-following-intranasal-vaccination-with-precipitated-or-partially-solubilized-recombinant-moraxella-bovis-cytotoxin-adjuvanted-with-polyacrylic-acid
#17
RANDOMIZED CONTROLLED TRIAL
John A Angelos, Munashe Chigerwe, Judy M Edman, John F Hess
OBJECTIVE To evaluate changes in systemic and ocular antibody responses of steers following intranasal vaccination with precipitated or partially solubilized recombinant Moraxella bovis cytotoxin (MbxA). ANIMALS 13 Angus steers with ages ranging from 318 to 389 days and weights ranging from 352 to 437 kg. PROCEDURES Steers were assigned to receive 500 μg of a precipitated (MbxA-P; n = 5) or partially solubilized (MbxA-S; 5) recombinant MbxA subunit adjuvanted with polyacrylic acid. A control group (n = 3) received the adjuvant alone...
December 2016: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/27889980/-the-importance-of-free-nucleic-acids-in-the-non-invasive-diagnostics
#18
Bálint Nagy, Zoltán Csanádi, Róbert Póka
There is a great interest to determine the physiological role of "free" nucleic acids, and to use them in the clinical diagnostics. These could be DNA, mRNA, microRNA and long non-coding RNA molecules, they are in the body fluids, like serum, tear, saliva, etc. Their exact role in the normal and pathological physiological processes is still in the focus of the research, while their use in the diagnostics is becoming more and more important. The use of "free" DNA in the non-invasive prenatal diagnosis is the first clinical application of the new generation sequencers, these methods are able to reach 99...
November 2016: Orvosi Hetilap
https://www.readbyqxmd.com/read/27874256/correlation-of-vitamin-d-levels-with-tear-film-stability-and-secretion-in-patients-with-dry-eye-syndrome
#19
Ki Won Jin, Jin Woo Ro, Young Joo Shin, Joon Young Hyon, Won Ryang Wee, Shin Goo Park
PURPOSE: To investigate tear film stability and secretion according to serum 25-hydroxyvitamin D3 [25(OH)D] levels in dry eye patients. METHODS: In this retrospective observational study, the medical charts of 92 patients who visited the Department of Ophthalmology at Hallym University Kangnam Sacred Heart Hospital from April to August 2015 were reviewed. Serum 25(OH)D levels were measured. Subjects were divided into three groups according to serum 25(OH)D levels: sufficient, inadequate or deficient group...
November 22, 2016: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27835065/sustained-delivery-of-timolol-maleate-for-over-90-days-by-subconjunctival-injection
#20
Erin Lavik, Markus H Kuehn, Andrew J Shoffstall, Kristyn Atkins, Alina V Dumitrescu, Young H Kwon
PURPOSE: Medical treatment of glaucoma relies on intraocular pressure (IOP)-lowering medications, typically administered daily by the patient. While these medications are effective when applied correctly, patient adherence is a major obstacle in glaucoma treatment. We have developed a sustained-release formulation of timolol maleate that can be injected subconjunctivally to avoid patient noncompliance. METHODS: A biodegradable microsphere formulation for timolol maleate was injected subconjunctivally in normal rabbits...
December 2016: Journal of Ocular Pharmacology and Therapeutics
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