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Oancea I, Movva R, Das I, Aguirre de Cárcer D, Schreiber V, Yang Y, Purdon A, Harrington B, Proctor M, Wang R, Sheng Y, Lobb M, Lourie R, Ó Cuív P, Duley JA, Begun J, Florin THJ. Colonic microbiota can promote rapid local improvement of murine colitis by thioguanine independently of T lymphocytes and host metabolism. Gut 2017; 66:59-69. [PMID: 27411368 PMCID: PMC5256391 DOI: 10.1136/gutjnl-2015-310874] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Revised: 06/13/2016] [Accepted: 06/15/2016] [Indexed: 01/19/2023]
Abstract
OBJECTIVE Mercaptopurine (MP) and pro-drug azathioprine are 'first-line' oral therapies for maintaining remission in IBD. It is believed that their pharmacodynamic action is due to a slow cumulative decrease in activated lymphocytes homing to inflamed gut. We examined the role of host metabolism, lymphocytes and microbiome for the amelioration of colitis by the related thioguanine (TG). DESIGN C57Bl/6 mice with or without specific genes altered to elucidate mechanisms responsible for TG's actions were treated daily with oral or intrarectal TG, MP or water. Disease activity was scored daily. At sacrifice, colonic histology, cytokine message, caecal luminal and mucosal microbiomes were analysed. RESULTS Oral and intrarectal TG but not MP rapidly ameliorated spontaneous chronic colitis in Winnie mice (point mutation in Muc2 secretory mucin). TG ameliorated dextran sodium sulfate-induced chronic colitis in wild-type (WT) mice and in mice lacking T and B lymphocytes. Remarkably, colitis improved without immunosuppressive effects in the absence of host hypoxanthine (guanine) phosphoribosyltransferase (Hprt)-mediated conversion of TG to active drug, the thioguanine nucleotides (TGN). Colonic bacteria converted TG and less so MP to TGN, consistent with intestinal bacterial conversion of TG to so reduce inflammation in the mice lacking host Hprt. TG rapidly induced autophagic flux in epithelial, macrophage and WT but not Hprt-/- fibroblast cell lines and augmented epithelial intracellular bacterial killing. CONCLUSIONS Treatment by TG is not necessarily dependent on the adaptive immune system. TG is a more efficacious treatment than MP in Winnie spontaneous colitis. Rapid local bacterial conversion of TG correlated with decreased intestinal inflammation and immune activation.
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Affiliation(s)
- I Oancea
- Immunity Infection and Inflammation Program, Mater Research Institute-University of Queensland, Brisbane, Queensland, Australia,Translational Research Institute, Woolloongabba, Queensland, Australia
| | - R Movva
- Immunity Infection and Inflammation Program, Mater Research Institute-University of Queensland, Brisbane, Queensland, Australia,Translational Research Institute, Woolloongabba, Queensland, Australia,School of Pharmacy, Griffith University, Brisbane, Queensland, Australia
| | - I Das
- Immunity Infection and Inflammation Program, Mater Research Institute-University of Queensland, Brisbane, Queensland, Australia
| | - D Aguirre de Cárcer
- Division of Livestock Industries, CSIRO Preventative Health National Research Flagship, Brisbane, Queensland, Australia
| | - V Schreiber
- Immunity Infection and Inflammation Program, Mater Research Institute-University of Queensland, Brisbane, Queensland, Australia,Translational Research Institute, Woolloongabba, Queensland, Australia
| | - Y Yang
- Immunity Infection and Inflammation Program, Mater Research Institute-University of Queensland, Brisbane, Queensland, Australia,School of Pharmacy, University of Queensland, Brisbane, Queensland, Australia
| | - A Purdon
- Immunity Infection and Inflammation Program, Mater Research Institute-University of Queensland, Brisbane, Queensland, Australia,Translational Research Institute, Woolloongabba, Queensland, Australia
| | - B Harrington
- Immunity Infection and Inflammation Program, Mater Research Institute-University of Queensland, Brisbane, Queensland, Australia,Translational Research Institute, Woolloongabba, Queensland, Australia
| | - M Proctor
- Immunity Infection and Inflammation Program, Mater Research Institute-University of Queensland, Brisbane, Queensland, Australia,Translational Research Institute, Woolloongabba, Queensland, Australia
| | - R Wang
- Immunity Infection and Inflammation Program, Mater Research Institute-University of Queensland, Brisbane, Queensland, Australia,Translational Research Institute, Woolloongabba, Queensland, Australia
| | - Y Sheng
- Immunity Infection and Inflammation Program, Mater Research Institute-University of Queensland, Brisbane, Queensland, Australia,Translational Research Institute, Woolloongabba, Queensland, Australia
| | - M Lobb
- Inflammatory Diseases Biology & Therapeutics Program, Mater Research Institute-University of Queensland, Brisbane, Queensland, Australia
| | - R Lourie
- Immunity Infection and Inflammation Program, Mater Research Institute-University of Queensland, Brisbane, Queensland, Australia,Translational Research Institute, Woolloongabba, Queensland, Australia
| | - P Ó Cuív
- Translational Research Institute, Woolloongabba, Queensland, Australia,Diamantina Institute-University of Queensland, Brisbane, Queensland, Australia
| | - J A Duley
- Division of Livestock Industries, CSIRO Preventative Health National Research Flagship, Brisbane, Queensland, Australia,Inflammatory Diseases Biology & Therapeutics Program, Mater Research Institute-University of Queensland, Brisbane, Queensland, Australia
| | - J Begun
- Immunity Infection and Inflammation Program, Mater Research Institute-University of Queensland, Brisbane, Queensland, Australia,Translational Research Institute, Woolloongabba, Queensland, Australia,School of Medicine-University of Queensland, St Lucia, Queensland, Australia
| | - T H J Florin
- Immunity Infection and Inflammation Program, Mater Research Institute-University of Queensland, Brisbane, Queensland, Australia,Translational Research Institute, Woolloongabba, Queensland, Australia,School of Medicine-University of Queensland, St Lucia, Queensland, Australia
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Sheng YH, He Y, Hasnain SZ, Wang R, Tong H, Clarke DT, Lourie R, Oancea I, Wong KY, Lumley JW, Florin TH, Sutton P, Hooper JD, McMillan NA, McGuckin MA. MUC13 protects colorectal cancer cells from death by activating the NF-κB pathway and is a potential therapeutic target. Oncogene 2016; 36:700-713. [PMID: 27399336 PMCID: PMC5541270 DOI: 10.1038/onc.2016.241] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2016] [Revised: 05/24/2016] [Accepted: 06/01/2016] [Indexed: 02/07/2023]
Abstract
MUC13 is a transmembrane mucin glycoprotein that is over produced by many cancers, although its functions are not fully understood. Nuclear factor-κB (NF-κB) is a key transcription factor promoting cancer cell survival, but therapeutically targeting this pathway has proved difficult because NF-κB has pleiotropic functions. Here, we report that MUC13 prevents colorectal cancer cell death by promoting two distinct pathways of NF-kB activation, consequently upregulating BCL-XL. MUC13 promoted tumor necrosis factor (TNF)-induced NF-κB activation by interacting with TNFR1 and the E3 ligase, cIAP1, to increase ubiquitination of RIPK1. MUC13 also promoted genotoxin-induced NF-κB activation by increasing phosphorylation of ATM and SUMOylation of NF-κB essential modulator. Moreover, elevated expression of cytoplasmic MUC13 and NF-κB correlated with colorectal cancer progression and metastases. Our demonstration that MUC13 enhances NF-κB signaling in response to both TNF and DNA-damaging agents provides a new molecular target for specific inhibition of NF-κB activation. As proof of principle, silencing MUC13 sensitized colorectal cancer cells to killing by cytotoxic drugs and inflammatory signals and abolished chemotherapy-induced enrichment of CD133+ CD44+ cancer stem cells, slowed xenograft growth in mice, and synergized with 5-fluourouracil to induce tumor regression. Therefore, these data indicate that combining chemotherapy and MUC13 antagonism could improve the treatment of metastatic cancers.
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Affiliation(s)
- Y H Sheng
- Inflammatory Disease Biology and Therapeutics Group-Mater Research Institute, The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - Y He
- Cancer Biology Group, Mater Research Institute-The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - S Z Hasnain
- Inflammatory Disease Biology and Therapeutics Group-Mater Research Institute, The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - R Wang
- Inflammatory Disease Biology and Therapeutics Group-Mater Research Institute, The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - H Tong
- Inflammatory Disease Biology and Therapeutics Group-Mater Research Institute, The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - D T Clarke
- Molecular Basis of Disease Program, School of Medical Sciences, Griffith University, Gold Coast Campus, Southport, Queensland, Australia
| | - R Lourie
- Inflammatory Disease Biology and Therapeutics Group-Mater Research Institute, The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia.,Inflammatory Bowel Diseases Group, Mater Research Institute-The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - I Oancea
- Inflammatory Disease Biology and Therapeutics Group-Mater Research Institute, The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia.,Inflammatory Bowel Diseases Group, Mater Research Institute-The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - K Y Wong
- Inflammatory Disease Biology and Therapeutics Group-Mater Research Institute, The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - J W Lumley
- Wesley Hospital, Auchenflower, Australia
| | - T H Florin
- Inflammatory Bowel Diseases Group, Mater Research Institute-The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - P Sutton
- Mucosal Immunology, Murdoch Children's Research Institute, Royal Children's Hospital, Parkville, Melbourne, Victoria, Australia.,Centre for Animal Biotechnology, School of Veterinary and Agricultural Science, University of Melbourne, Melbourne, Victoria, Australia.,Department of Paediatrics, University of Melbourne, Victoria, Australia
| | - J D Hooper
- Cancer Biology Group, Mater Research Institute-The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - N A McMillan
- Molecular Basis of Disease Program, School of Medical Sciences, Griffith University, Gold Coast Campus, Southport, Queensland, Australia
| | - M A McGuckin
- Inflammatory Disease Biology and Therapeutics Group-Mater Research Institute, The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
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Hristea A, Luka AI, Oancea I, Bica F, Stăniceanu F, Arama V, Streinu-Cercel A, Moroti R. Isolated tuberculous tenosynovitis of the forearm in an immunocompetent patient. Chirurgia (Bucur) 2010; 105:427-430. [PMID: 20726315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Primary tuberculous tenosynovitis is a rare manifestation of extraspinal musculoskeletal tuberculosis. The diagnosis may be easily delayed because of its nonspecific clinical signs. We report a case of culture-proven tuberculous tenosynovitis of the extensor carpi ulnaris tendon and common extensor tendon in a 68-year-old female without concomitant pulmonary tuberculosis, nor documented immunodeficiency. The diagnosis was initially overlooked due to the lack of appropriate histological and bacteriological analyses and the lesion recurred after surgery. MR imaging represents the most accurate method in making the diagnosis, but has no diagnostic specificity in regard to tuberculosis, therefore surgical biopsy is strongly recommended. The patient had a favorable clinical response after a combination of excision and appropriate antituberculous therapy for sensitive Mycobacterium tuberculosis. We emphasize the need for an increased awareness and high index of suspicion of tuberculosis in all cases of a chronic orrecurrent abscess in the extremities, not only in patients living in endemic areas but also in those who have emigrated from regions with a high prevalence of tuberculosis.
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Affiliation(s)
- A Hristea
- Prof. Dr. Matei Balş National Institute for Infectious Diseases, Department of Infectious Diseases, UMF Carol Davila, Bucharest.
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Bolog N, Oancea I, Andreisek G, Mangrau A, Caruntu F. Diagnosis Performance of Different MR Imaging Signs of Cirrhosis: the Caudate to Right Lobe Ratio, the Posterior Right Hepatic Notch, and the Expanded Gallbladder Fossa. Curr Health Sci J 2009; 35:16-22. [PMID: 24778811 PMCID: PMC3945240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2008] [Accepted: 01/27/2009] [Indexed: 10/26/2022]
Abstract
Background & Aims The purpose of the study is to evaluate the accuracy of the C/RL, RPN, and EGF in diagnosing cirrhosis. Methods The study population included 95 cirrhotic patients in the cirrhosis group (56 men, 39 women, age range 14-76;mean age 52.3) and 57 subjects in the control group (26 men, 31 women, age range 18-83;mean age 51). All MR examinations were performed by using the same protocol. Two radiologists independently assessed data sets in two different reading sessions. The sensitivity, specificity, and accuracy and the relative risk of the signs in diagnosing cirrhosis were calculated. The diagnosis accuracy of the C/RL sign was calculated using the ROC curve. The statistical significance of any difference of each sign between different classes of cirrhosis was also calculated. Results The interobserver agreement between the readers was excellent (κ≥ 0.81;95% CI:0.92, 1.0). There was a significant statistical difference of the diagnostic value of C/RL, RPN, and EGF between cirrhotic patients and control group (p<0.001). The sensitivity, specificity, and accuracy of C/RL were 72%, 87%, and 78%; 67%, 87%, and 75% for RPN; and 49%, 91%, and 65% for EGF. C/RL (OR=18.95) and RPN (OR=14.74) showed a higher risk for cirrhosis compared to EGF (OR=14.74). There was a statistical significance difference between C/RL and EGF (p=0.002) and between RPN and EGF for Child A class of cirrhosis (p-0.037). Conclusion The C/RL and RPN have similar performance regarding the diagnosis of cirrhosis having a higher diagnostic performance compared to EGF in cirrhosis.
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Affiliation(s)
- N. Bolog
- Phoenix Diagnostic Clinic, Bucharest
| | - I. Oancea
- Phoenix Diagnostic Clinic, Bucharest
| | | | | | - F. Caruntu
- Institute of Infectious Diseases “Matei Bals”, Bucharest
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Plewako H, Holmberg K, Oancea I, Gotlib T, Samoliński B, Rak S. A follow-up study of immunotherapy-treated birch-allergic patients: effect on the expression of chemokines in the nasal mucosa. Clin Exp Allergy 2008; 38:1124-31. [PMID: 18691293 DOI: 10.1111/j.1365-2222.2008.03005.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Specific immunotherapy (SIT) is the only treatment producing lasting clinical improvement in patients with allergy. We investigated the long-term effect of SIT treatment on the expression of chemokines: eotaxin, RANTES (regulated upon activation, normal T cell expressed and secreted) and thymus and activation-regulated chemokine (TARC), and their receptors CCR3 and CCR4 in biopsies of nasal mucosa from birch-allergic individuals. METHODS Sixteen patients who completed a 3-year treatment programme 3-5 years ago, and 12 untreated, matched controls were included in the study. Patients recorded symptoms and use of rescue medication before and during the pollen season. Nasal mucosa samples obtained before and during the season were stained for eosinophil and mast cell markers and for eotaxin, RANTES, TARC, CCR3 and CCR4. RESULTS During the pollen season, rhinoconjunctivitis symptoms increased in both SIT and control groups (P=0.001 and 0.002, respectively). However, SIT patients had 37% fewer symptoms than controls. Medication use increased in both groups (P=0.002) during the season but the SIT group used 28% less than the controls (P=0.02). The number of eosinophils in the nasal mucosa increased in the control group (P=0.01) and the difference between the groups was significant during the season (P=0.01). No seasonal increase in the numbers of mast cells was seen, but during the pollen season, more (P=0.02) AA(+) cells were found in the controls than in the SIT group. The number of eotaxin(+) and RANTES(+) cells increased in the control group (P=0.01 and 0.03, respectively) and the difference between groups during the season was significant (P=0.01 and 0.01, respectively). The TARC(+) cell numbers were lower in the SIT group during the season (P=0.003). The CCR3(+) cells increased only in the control group during the pollen season and remained unchanged in SIT patients, while CCR4(+) cell numbers increased in both the control (P=0.03) and SIT (P=0.02) groups. CONCLUSION This study confirmed that decreased numbers of eosinophils in the nasal mucosa is a long-lasting effect of birch SIT. SIT also prevented seasonal rises in the number of cells expressing the chemokines eotaxin and RANTES.
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Affiliation(s)
- H Plewako
- Department of Respiratory Medicine and Allergology, Asthma and Allergy Research Group, The Sahlgrenska University Hospital, Göteborg, Sweden
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Abstract
BACKGROUND Exposure of patients sensitized to pollen triggers development of seasonal allergic rhinitis symptoms (SAR). Eicosanoids are a group of arachidonic acid metabolites contributing to the symptoms of SAR. The aim of this study was to investigate seasonal changes in the expression of enzymes of the eicosanoid pathway in the nasal mucosa of patients with SAR. METHODS Twenty SAR patients allergic to birch or grass and eight healthy subjects were included in the study. Patients registered rhinoconjunctivitis symptoms and use of rescue medication before and during the pollen season. Nasal biopsies were obtained before and around the peak of the season, sectioned and stained using markers for eosinophils, mast cells, T cells and neutrophils. Antibodies against the following enzymes were also used: cyclo-oxygenase (COX-1, COX-2), 5-lipoxygenase (5-LO), 5-lipoxygenase-activating factor (FLAP), LTA4 hydrolase (LTA4h) and LTC4 synthase (LTC4s). RESULTS During the pollen season symptoms of rhinoconjunctivitis and medication score increased significantly (P=0.001; P=0.001 respectively). During the pollen season numbers of eosinophils (P=0.02) and cell positive 5-LO (P=0.02), LTC4s (P=0.04) and LTA4h (P=0.02) increased significantly. During season number of mast cells and cells expressing 5-LO and LTA4h were higher in SAR than in healthy controls group (P=0.02; P=0.01; P=0.03 respectively). CONCLUSION In sensitized patients exposure to pollen allergen results in increased expression of enzymes of the eicosanoid pathway.
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Affiliation(s)
- H Plewako
- Asthma and Allergy Research Group, Department of Respiratory Medicine and Allergology, The Sahlgrenska University Hospital, Göteborg, Sweden
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Plewako H, Arvidsson M, Oancea I, Hasséus B, Dahlgren U, Rak S. The effect of specific immunotherapy on the expression of costimulatory molecules in late phase reaction of the skin in allergic patients. Clin Exp Allergy 2005; 34:1862-7. [PMID: 15663560 DOI: 10.1111/j.1365-2222.2004.02120.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Specific immunotherapy (SIT) modulates immune responses to allergens resulting in improvement of allergic symptoms. However, the mechanisms behind the clinical changes are not clear. Participation of costimulatory molecules on antigen-presenting cells and T cells in the process of antigen recognition is suggested to be of essential importance. The SIT effect on expression of costimulatory molecules has not been earlier examined. METHODS Forty-one birch-allergic patients were treated with SIT or placebo. After 1 year of treatment skin biopsies were obtained 24 h following allergen challenge. Sections were stained with antibodies against: EG2 (eosinophils), CD4 (T cells), CD68 (macrophages), CD1a (Langerhans cells), CD28 (on T cells) and costimulatory molecules (CD80, CD86). RESULTS Following allergen challenge number of the CD4(+) and CD68(+) cells increased significantly (P=0.002, 0.0001, respectively) in the placebo, but not in the SIT-treated patients. The difference between groups was significant (P=0.003, 0.01, respectively). The numbers of EG2(+) cells increased significantly in both groups. CD80(+) cell numbers increased in the placebo (P=0.01) but not in the SIT group. The number of CD86(+) cells increased in both groups (placebo, P=0.001; SIT, P=0.01) but significantly less in the SIT group (P=0.05). The numbers of CD28(+) cells increased in the placebo (P=0.001) but remained unchanged in the SIT group. The difference between the groups was significant (P=0.05). CONCLUSION There were lower numbers of cells expressing costimulatory molecules in SIT-treated than in placebo-treated patients. Decreased costimulation may lead to diminished immune response following allergen exposure. This could be an important factor contributing to the clinical improvement after SIT.
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Affiliation(s)
- H Plewako
- Asthma and Allergy Research Group, Department of Respiratory Medicine and Allergology, The Sahlgrenska University Hospital, 413 45 Göteborg, Sweden
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Pullerits T, Oancea I, Rak S, Lötvall J. Expression of 5-lipoxygenase-activating protein (FLAP) in allergic rhinitis patients: The effect of allergen exposure and treatment. J Allergy Clin Immunol 2005. [DOI: 10.1016/j.jaci.2004.12.567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Plewako H, Arvidsson M, Petruson K, Oancea I, Holmberg K, Adelroth E, Gustafsson H, Sandström T, Rak S. The effect of omalizumab on nasal allergic inflammation. J Allergy Clin Immunol 2002; 110:68-71. [PMID: 12110823 DOI: 10.1067/mai.2002.125488] [Citation(s) in RCA: 77] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
BACKGROUND In sensitized patients, coupling between IgE and FcepsilonRI receptors on mast cells leads to release of proinflammatory mediators and a subsequent influx of inflammatory cells to the affected organ. Omalizumab (Xolair; formerly rhuMAb-E25) binds to circulating IgE, thus preventing induction of the allergic process. OBJECTIVE We investigated the effect of treatment with omalizumab on seasonal allergic rhinitis and related changes in inflammatory cell numbers in nasal biopsy specimens. METHODS Patients were randomized to treatment with omalizumab or placebo before the pollen season; the treatment was started and continued during season. Symptoms and use of medication were recorded, and blood samples and nasal biopsy specimens were obtained before and during season. Immunocytochemistry was performed on biopsy sections through use of the following antibodies: anti-CD4, CD8 (T lymphocytes), EG2, and anti-eosinophil peroxidase (eosinophils), anti-tryptase (mast cells), human neutrophil lipocalin (neutrophils), and antibodies against IgE and FcepsilonRI. RESULTS During the season, blood eosinophils increased in placebo-treated patients but not in omalizumab-treated patients (P =.01); the difference between the treatment groups was significant (P =.04). Free IgE in serum decreased significantly (P =.0002) in omalizumab-treated patients but not in placebo-treated patients; the difference between the groups was significant (P =.0001). In nasal biopsy specimens, the number of eosinophil peroxidase-positive staining cells increased in the placebo-treated patients (P =.003) but not in the actively treated patients during the season; the difference between the groups was significant (P =.0001). The number of IgE(+) staining cells decreased significantly in the omalizumab group during the season in comparison with the placebo group (P =.04). CONCLUSION The clinical benefit of treatment with omalizumab is associated with an anti-inflammatory effect on cellular markers in blood and nasal tissue.
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MESH Headings
- Adult
- Anti-Allergic Agents/therapeutic use
- Antibodies, Anti-Idiotypic
- Antibodies, Monoclonal/therapeutic use
- Antibodies, Monoclonal, Humanized
- Biopsy
- Eosinophils
- Female
- Humans
- Immunoglobulin E/blood
- Immunohistochemistry
- Inflammation/drug therapy
- Inflammation/immunology
- Inflammation/physiopathology
- Leukocyte Count
- Male
- Middle Aged
- Nasal Mucosa/immunology
- Omalizumab
- Rhinitis, Allergic, Seasonal/drug therapy
- Rhinitis, Allergic, Seasonal/immunology
- Rhinitis, Allergic, Seasonal/physiopathology
- Treatment Outcome
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Affiliation(s)
- Halina Plewako
- Asthma and Allergy Research Group, Department of Respiratory Medicine and Allergology, Sahlgrenska University Hospital, Göteborg, Sweden
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Pop R, Oancea I, Literat A, Vlăduţiu C, Abderahim A, Bagoşi P, Clepee E. [The serology of toxoplasmosis in uveitis]. Oftalmologia 1992; 36:47-52. [PMID: 1520669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Determinations for decelerating the antitoxoplasma anticorps that have been effectuated for 696 uveas proved positivity at 123 aerums (17.6%). The repartition of the positive serology concerning the clinic form of the uvea has proved 48 iridocyclitis, 26 serous central corioretinals, 23 in panuveitis, 13 in posterior uveitis, 11 muscular chorioretinitis, 2 in hyalitis. Taking into consideration only the equal or less than 1:160 titrures, these have been at 7 iridocyclitis, 4 serous central chorioretinitis, 4 panuveitis, 3 posterior uveitis and 3 atrophic central chorioretinitis. It is shown that the diagnosis of ocular toxoplasma must be effectuated just corroborating the clinic data with the positive serology. The antiparasitic treatment doesn't influence upon the low titrures of serous anticorps, which generally maintain at the same value all the life.
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Affiliation(s)
- R Pop
- Clinica Oftalmologică Cluj-Napeca
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Vlăduţiu C, Oancea I, Fărcăşanu I. [The use of piroxicam in the treatment of inflammatory diseases of the eyeball]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1989; 33:277-80. [PMID: 2533367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The action of phyroxicam was studied in the treatment of inflammatory affections of the eye globe. Pyroxicam proved to be an efficient nonsteroid anti-inflammatory drug in the treatment of iridocyclitis, keratoiridocyclitis, uveitis etc.
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Oancea I, Pop R, Călugăru M, Vlăduţiu C, Marin C. [The possibilities for early diagnosis in primary open-angle glaucoma]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1989; 33:117-21. [PMID: 2529592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The study was carried out on a group of 127 patients, admitted into the Cluj-Napoca Clinic of Ophthalmology, suspected of primary glaucoma with open angle. The complex antiglaucomatous investigation confirmed the diagnosis in 57 cases.
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Oancea I, Sandovici EM, Lazarov E. [Approach to the Cluj-Napoca Ophthalmologic Clinic in the treatment of the surgical treatment of concomitant strabismus]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1987; 31:287-90. [PMID: 2964697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Càlugăru M, Oancea I. [Ocular hypotensive action of bupranolol solutions]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1987; 31:43-6. [PMID: 2955468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Pop R, Oancea I, Lazarov E, Vlăduţiu C. [Potentials for functional recovery in unilateral traumatic cataract]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1985; 29:249-54. [PMID: 2939495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Câlugâru M, Oancea I, Grigorescu R, Hantâ C. Die Wirksamkeit der transkutanen Levatorresektion bei der kongenitalen Ptosis des Oberlides*. Klin Monbl Augenheilkd 1985. [DOI: 10.1055/s-2008-1051004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Călugăru M, Oancea I, Grigorescu R, Hantă C. [Effectiveness of transcutaneous levator resection in congenital ptosis of the upper lid]. Klin Monbl Augenheilkd 1985; 187:129-38. [PMID: 4057903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Thirteen patients (15 eyes) were treated for simple congenital blepharoptosis by means of transcutaneous levator resection. The patients' ages ranged from 6 to 23 years, the postoperative follow-up period from 29 to 63 months. In 2 cases the operation was performed because of residual ptosis following transconjunctival levator resection. In 11 eyes the results were very good, with postoperative ptosis of between 0 and +/- 0.5 mm and complete lid closure. In 3 eyes the results were good, with ptosis between greater than + 0.5 mm and + 1.5 mm and complete lid closure; and there was one failure, with postsurgical ptosis of greater than + 1.5 mm. The major cosmetic defect in all cases was lid lag on extreme downward gaze. In view of these good results and the multiple advantages of the anterior transcutaneous levator resection procedure as compared to the posterior (conjunctival) approach, the authors feel able to claim that transcutaneous levator resection is the method of choice for most types of simple ptosis. The operation is extremely laborious but fully justified by the good results.
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Literat A, Bornuz M, Oancea I, Pop R. [Serology of toxoplasmosis in eye infections]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1985; 29:191-5. [PMID: 2931768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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19
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Sandovici EM, Oancea I, Lazarov E, Grigorescu R. [Policy of the Clinica de Oftalmologie in Cluj-Napoca on the surgical indications in concomitant strabismus]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1985; 29:119-22. [PMID: 3161125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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20
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Grigorescu R, Oancea I, Călugăru M, Marin C, Cristea M. [Clinical and immunological aspects in Gougerot-Sjögren syndrome]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1985; 29:115-8. [PMID: 3161124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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21
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Păcurariu I, Oancea I, Pop R. [Therapeutic management problems in unilateral cataract]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1985; 29:1-12. [PMID: 3159045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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22
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Oancea I, Pop R, Călugáru M, Grigorescu R, Vlăduţiu C, Sandovici EM, Popa L, Marin C, Lazarov E, Trif V. [Early results following trabeculectomy at the Cluj-Napoca Ophthalmological Clinic]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1984; 28:277-90. [PMID: 6241327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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23
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Sandovici EM, Oancea I, Lazarov E. [Procedures of the Cluj-Napoca Ophthalmology Clinic in the orthoptic treatment of concomitant strabismus]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1983; 27:301-4. [PMID: 6229827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Sandovici EM, Oancea I, Lazarov E. [Difficulties in the diagnosis and treatment of congenital strabismus]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1983; 27:147-151. [PMID: 6227042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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25
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Oancea I, Pop R, Călugăru M, Grigorescu R, Popa L, Kaucsar E, Miu A, Gorgea A. [Perinatal morbidity in the Cluj-Napoca Ophthalmology Clinic]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1983; 27:13-9. [PMID: 6224245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Lazarov E, Sandovici EM, Oancea I. [Pleoptic treatment of amblyopia in concomitant strabismus. Experience of the Cluj-Napoca Ophthalmology Clinic]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1983; 27:41-3. [PMID: 6224250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Hanţă C, Oancea I. [Slight incidents of ketamine anesthesia in ophthalmologic surgery in children]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1982; 26:295-7. [PMID: 6222412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Pop R, Oancea I. [Transitory intraocular hypertension after cryo-extraction of the crystalline lens]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1982; 26:285-8. [PMID: 6222410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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29
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Oancea I, Lazarov E, Pop R. [Single-strand thread suture of corneal wounds]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1982; 26:281-3. [PMID: 6222409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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30
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Grigorescu R, Oancea I. [Use of cortisone in therapy of endogenous uveitis]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1982; 26:201-4. [PMID: 6218534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Oancea I, Sandovici EM, Lazarov E. [Methods of the Cluj-Napoca ophthalmological clinic in optical treatment of concomitant strabismus]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1982; 26:193-6. [PMID: 6218532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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32
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Hanţă C, Oancea I. [Ketamine in infantile ophthalmological anesthesia]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1982; 26:51-3. [PMID: 6215687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Pop R, Marin C, Oancea I, Orosz R. [Role of the vitreous body in pathogenesis of retinal detachment in aphakia]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1981; 25:181-6. [PMID: 6460287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Oancea I, Călugăru M. [Bupranolol in the treatment of primary glaucoma]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1981; 25:219-22. [PMID: 6460297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Sandovici EM, Lazarov E, Oancea I, Cornea M, Ghelberg N. [Consequences of the loss of the vitreous humor in cataract operations]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1981; 25:149-52. [PMID: 6457360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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36
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Oancea I, Marin C, Kaucsar E, Moisescu V, Popescu M. [Ethambutol as a risk factor in optical neuropathy]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1981; 25:45-52. [PMID: 6455713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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37
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Oancea I, Sandovici EM, Preotu M, Kalmar C. [Relative gravity of piercing injuries of the eye]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1980; 24:257-60. [PMID: 6454917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Pop R, Grigorescu R, Oancea I. [Electrotonography associated with the water-drinking provocative test in establishing the early diagnosis of simple chronic glaucoma]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1980; 24:265-9. [PMID: 6454919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Oancea I, Vasinca M, Pop R. [Steplike sclerocorneal incision and wound suture with single-stranded nylon thread in cataract operations]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1980; 24:199-201. [PMID: 6457342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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40
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Oancea I. [Thresholds of photosensitivity and statistical errors in adaptometric studies of functional amblyopia]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1980; 24:107-10. [PMID: 6449039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Vasinca M, Oancea I. [A case of juvenile conjunctival papillomatosis]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1980; 24:73-4. [PMID: 6447904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Oancea I. [Comparative adaptometry of amblyopic eyes and the congener eyes]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1980; 24:7-15. [PMID: 6447903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Oancea I, Trif V. [Pressure reducing effect of bupranolol and pilo eserine in chronic glaucoma with open iridocorneal angle]. Med Welt 1979; 30:1934-7. [PMID: 542111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Oancea I, Trif V. [Effect of a .2 percent acqueous bupranolol solution in chronic glaucoma with open iridocorneal angle]. Med Welt 1979; 30:1863-5. [PMID: 545072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Călugăru M, Oancea I, Trif V. [Improvement of the drainage of the aqueous humor in chronic glaucoma simplex after administration of bupranolol and piloeserine]. Med Welt 1979; 30:1483-4. [PMID: 502821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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46
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Oancea I. [Adaptometric studies in red light in normal and amblyopic children]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1979; 23:255-60. [PMID: 583509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Oancea I, Trif V. [Lowering of intraocular pressure by aqueous solution of bupranolol in chronic uncomplicated glaucoma simplex (author's transl)]. Klin Monbl Augenheilkd 1979; 174:739-44. [PMID: 491450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
In two previous studies the effects of topically applied 1% and 0.2% solutions of bupranolol on intraocular pressure were investigated in 21 and respectively 20 eyes with chronic uncomplicated open-angle glaucoma.--As early as 30 minutes after both solutions a very significant pressure drop, without concomittant pupillary reaction, was recorded. The 1% bupranolol solution was less well tolerated and caused some ocular irritation. The present study was therefore initiated in order to find out whether a 0.2% solution of bupranolol would yield significantly different results in comparison with the former.--Statistical evaluation, based on variance analysis linked with multiple t-tests, showed a barely significant difference between the pressure-lowering effects of the 1% and 0.2% solutions after one hour, whereas after 2 hours the difference became clearly significant in favour of the 0.2% solution. Furthermore, the 0.2% solution clearly showed a tendency to prolonged duration of effect, beyond the two-hour observation time. It therefore seems justified to supplement the present findings by long-term studies aimed at assessing optimal concentrations of the drug on the one hand, and its long-acting properties on the other. In this way, bupranolol is likely to gain recognition as an antiglaucomatous agent.
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Oancea I. [Adaptometric examinations in functional amblyopia]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1979; 23:95-7. [PMID: 504747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Letia L, Oancea I. [Study of amblyopic students in the Secondary School for the Blind in Cluj-Napoca]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1979; 23:111-3. [PMID: 504734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Călugăru M, Oancea I. [Propranolol in the treatment of glaucoma]. Rev Chir Oncol Radiol O R L Oftalmol Stomatol Ser Oftalmol 1979; 23:125-8. [PMID: 388538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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