{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,9]],"date-time":"2026-07-09T13:07:44Z","timestamp":1783602464049,"version":"3.55.0"},"reference-count":43,"publisher":"Oxford University Press (OUP)","issue":"4","license":[{"start":{"date-parts":[[2011,11,29]],"date-time":"2011-11-29T00:00:00Z","timestamp":1322524800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2011,11,29]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Primary open angle (POAG) and pseudoexfoliative glaucoma (PXG) are the most common primary and secondary forms of glaucoma, respectively. Even though the patho-physiology, aqueous humor composition, risk factors, clinical features, therapy and drug induced ocular surface changes in POAG and PXG have been widely studied, to date information concerning tear protein characterization is lacking. Tears are a source of nourishment for ocular surface tissues and a vehicle to remove local waste products, metabolized drugs and inflammatory mediators produced in several ophthalmic diseases. In glaucoma, the proteomic definition of tears may provide insights concerning patho-physiology of the disease and ocular surface modifications induced by topical therapy. Our study aimed at characterizing protein patterns in tears of patients with medically controlled POAG and PXG. A comparative tears proteomic analysis by label-free LC-MSE highlighted differences in the expression of several proteins in the two glaucoma sub-types and control subjects, highlighting inflammation pathways expressed in both diseases. Results were independently reconfirmed by SDS-PAGE and linear MALDI-TOF MS, validating altered levels of Lysozyme C, Lipocalin-1, Protein S100, Immunoglobulins and Prolactin Inducible Protein. Moreover, we found a differential pattern of phosphorylated Cystatin-S that distinguishes the two pathologies. The most relevant results suggest that in both pathologies there may be active inflammation pathways related to the disease and\/or induced by therapy. We show, for the first time, tear protein patterns expressed under controlled intraocular pressure conditions in POAG and PXG subjects. These findings could help in the understanding of molecular machinery underlying these ophthalmologic diseases, resulting in early diagnosis and more specific therapy.<\/jats:p>\n                  <jats:p\/>","DOI":"10.1039\/c1mb05357d","type":"journal-article","created":{"date-parts":[[2011,11,30]],"date-time":"2011-11-30T06:02:07Z","timestamp":1322632927000},"page":"1017-1028","source":"Crossref","is-referenced-by-count":75,"title":["Differential protein expression in tears of patients with primary open angle and pseudoexfoliative glaucoma"],"prefix":"10.1093","volume":"8","author":[{"given":"Damiana","family":"Pieragostino","sequence":"first","affiliation":[{"name":"Research Centre on Aging (Ce.S.I), University \u201cG. d'Annunzio\u201d of Chieti-Pescara b , Chieti, Italy"},{"name":"Department of Biomedical Sciences, University \u201cG. d'Annunzio\u201d of Chieti-Pescara a , Via dei Vestini, 66100 Chieti Italy \u00a0 dpieragostino@unich.it \u00a0 +39 0871 541598 \u00a0 +39 0871 541593\/(3554516)"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sonia","family":"Bucci","sequence":"additional","affiliation":[{"name":"Department of Neuroscience and Imaging, University \u201cG. d'Annunzio\u201d of Chieti-Pescara c , Chieti, Italy"},{"name":"Research Centre on Aging (Ce.S.I), University \u201cG. d'Annunzio\u201d of Chieti-Pescara b , Chieti, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luca","family":"Agnifili","sequence":"additional","affiliation":[{"name":"Ophthalmic Clinic, Department of Medicine and Ageing Science, University \u201cG. d'Annunzio\u201d of Chieti-Pescara d , Chieti, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vincenzo","family":"Fasanella","sequence":"additional","affiliation":[{"name":"Ophthalmic Clinic, Department of Medicine and Ageing Science, University \u201cG. d'Annunzio\u201d of Chieti-Pescara d , Chieti, 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Department of Medicine and Ageing Science, University \u201cG. d'Annunzio\u201d of Chieti-Pescara d , Chieti, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carmine Di","family":"Ilio","sequence":"additional","affiliation":[{"name":"Research Centre on Aging (Ce.S.I), University \u201cG. d'Annunzio\u201d of Chieti-Pescara b , Chieti, Italy"},{"name":"Department of Biomedical Sciences, University \u201cG. d'Annunzio\u201d of Chieti-Pescara a , Via dei Vestini, 66100 Chieti Italy \u00a0 dpieragostino@unich.it \u00a0 +39 0871 541598 \u00a0 +39 0871 541593\/(3554516)"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paolo","family":"Sacchetta","sequence":"additional","affiliation":[{"name":"Research Centre on Aging (Ce.S.I), University \u201cG. d'Annunzio\u201d of Chieti-Pescara b , Chieti, Italy"},{"name":"Department of Biomedical Sciences, University \u201cG. d'Annunzio\u201d of Chieti-Pescara a , Via dei Vestini, 66100 Chieti Italy \u00a0 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