Identification of Photoreceptor Precursors in the Pars Plana during Ocular Development and after Retinal Injury
To study the distribution and differentiation of photoreceptor precursors in the ciliary epithelium in mice. Proliferating cells in flat-mount specimens of the ciliary body and retina were studied by bromodeoxyuridine (BRDU; 150 mg/kg) labeling in young C57Bl mice. Immunoreactivity to anti-recoverin...
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description | To study the distribution and differentiation of photoreceptor precursors in the ciliary epithelium in mice.
Proliferating cells in flat-mount specimens of the ciliary body and retina were studied by bromodeoxyuridine (BRDU; 150 mg/kg) labeling in young C57Bl mice. Immunoreactivity to anti-recoverin, rhodopsin, and Pax6 antibodies and binding to peanut agglutinin were analyzed histologically to assess the distribution and differentiation of photoreceptor progenitors or precursors. Mice injected intraperitoneally with N-methyl-N-nitrosourea (MNU; 60 mg/kg) were also examined.
Part of the neuroblast layer composed of BrdU-positive retinal progenitor cells was identified within the ciliary epithelium of the pars plana in continuation of the layer of the peripheral retina during ocular development. In both the ciliary epithelium and the retina, the layer size decreased rapidly and disappeared mostly by postnatal day (P)9. Within the ciliary epithelium of the pars plana, numerous postmitotic rod and cone photoreceptor precursors were identified that rapidly differentiated morphologically and decreased in number with ocular development. Rod precursors were no longer seen in the pars plana at P12, whereas rare presumptive cone precursors persisted even at P120. An increase in the number of presumptive cone precursors (approximately 16-fold) was identified in the pars plana of adult mice with MNU-induced photoreceptor degeneration.
Rod and cone precursors were identified in the ciliary epithelium of the murine pars plana during ocular development but nearly disappeared after the completion of histogenesis. However, in response to retinal injury, an increased number of presumptive cone precursors was found even in the adult pars plana. |
doi_str_mv | 10.1167/iovs.07-1008 |
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Proliferating cells in flat-mount specimens of the ciliary body and retina were studied by bromodeoxyuridine (BRDU; 150 mg/kg) labeling in young C57Bl mice. Immunoreactivity to anti-recoverin, rhodopsin, and Pax6 antibodies and binding to peanut agglutinin were analyzed histologically to assess the distribution and differentiation of photoreceptor progenitors or precursors. Mice injected intraperitoneally with N-methyl-N-nitrosourea (MNU; 60 mg/kg) were also examined.
Part of the neuroblast layer composed of BrdU-positive retinal progenitor cells was identified within the ciliary epithelium of the pars plana in continuation of the layer of the peripheral retina during ocular development. In both the ciliary epithelium and the retina, the layer size decreased rapidly and disappeared mostly by postnatal day (P)9. Within the ciliary epithelium of the pars plana, numerous postmitotic rod and cone photoreceptor precursors were identified that rapidly differentiated morphologically and decreased in number with ocular development. Rod precursors were no longer seen in the pars plana at P12, whereas rare presumptive cone precursors persisted even at P120. An increase in the number of presumptive cone precursors (approximately 16-fold) was identified in the pars plana of adult mice with MNU-induced photoreceptor degeneration.
Rod and cone precursors were identified in the ciliary epithelium of the murine pars plana during ocular development but nearly disappeared after the completion of histogenesis. However, in response to retinal injury, an increased number of presumptive cone precursors was found even in the adult pars plana.</description><identifier>ISSN: 0146-0404</identifier><identifier>ISSN: 1552-5783</identifier><identifier>EISSN: 1552-5783</identifier><identifier>DOI: 10.1167/iovs.07-1008</identifier><identifier>PMID: 18172121</identifier><identifier>CODEN: IOVSDA</identifier><language>eng</language><publisher>Rockville, MD: ARVO</publisher><subject>Animals ; Biological and medical sciences ; Bromodeoxyuridine - metabolism ; Cell Differentiation ; Ciliary Body - cytology ; Eye - growth & development ; Eye and associated structures. Visual pathways and centers. Vision ; Eye Proteins - metabolism ; Fluorescent Antibody Technique, Indirect ; Fundamental and applied biological sciences. Psychology ; Homeodomain Proteins - metabolism ; Medical sciences ; Methylnitrosourea - toxicity ; Mice ; Mice, Inbred C57BL ; Microscopy, Confocal ; Ophthalmology ; Paired Box Transcription Factors - metabolism ; PAX6 Transcription Factor ; Photoreceptor Cells, Vertebrate - cytology ; Photoreceptor Cells, Vertebrate - metabolism ; Pigment Epithelium of Eye - cytology ; Recoverin - metabolism ; Repressor Proteins - metabolism ; Retinal Degeneration - chemically induced ; Retinal Degeneration - pathology ; Rhodopsin - metabolism ; Stem Cells - cytology ; Stem Cells - metabolism ; Vertebrates: nervous system and sense organs</subject><ispartof>Investigative ophthalmology & visual science, 2008-01, Vol.49 (1), p.422-428</ispartof><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c415t-5ed69282599813f5fd4a97997d63f26f4bd264c92f94abe0a1f1c491b97bfbab3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,4010,27900,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19981051$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18172121$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Nishiguchi, Koji M</creatorcontrib><creatorcontrib>Kaneko, Hiroki</creatorcontrib><creatorcontrib>Nakamura, Makoto</creatorcontrib><creatorcontrib>Kachi, Shu</creatorcontrib><creatorcontrib>Terasaki, Hiroko</creatorcontrib><title>Identification of Photoreceptor Precursors in the Pars Plana during Ocular Development and after Retinal Injury</title><title>Investigative ophthalmology & visual science</title><addtitle>Invest Ophthalmol Vis Sci</addtitle><description>To study the distribution and differentiation of photoreceptor precursors in the ciliary epithelium in mice.
Proliferating cells in flat-mount specimens of the ciliary body and retina were studied by bromodeoxyuridine (BRDU; 150 mg/kg) labeling in young C57Bl mice. Immunoreactivity to anti-recoverin, rhodopsin, and Pax6 antibodies and binding to peanut agglutinin were analyzed histologically to assess the distribution and differentiation of photoreceptor progenitors or precursors. Mice injected intraperitoneally with N-methyl-N-nitrosourea (MNU; 60 mg/kg) were also examined.
Part of the neuroblast layer composed of BrdU-positive retinal progenitor cells was identified within the ciliary epithelium of the pars plana in continuation of the layer of the peripheral retina during ocular development. In both the ciliary epithelium and the retina, the layer size decreased rapidly and disappeared mostly by postnatal day (P)9. Within the ciliary epithelium of the pars plana, numerous postmitotic rod and cone photoreceptor precursors were identified that rapidly differentiated morphologically and decreased in number with ocular development. Rod precursors were no longer seen in the pars plana at P12, whereas rare presumptive cone precursors persisted even at P120. An increase in the number of presumptive cone precursors (approximately 16-fold) was identified in the pars plana of adult mice with MNU-induced photoreceptor degeneration.
Rod and cone precursors were identified in the ciliary epithelium of the murine pars plana during ocular development but nearly disappeared after the completion of histogenesis. However, in response to retinal injury, an increased number of presumptive cone precursors was found even in the adult pars plana.</description><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Bromodeoxyuridine - metabolism</subject><subject>Cell Differentiation</subject><subject>Ciliary Body - cytology</subject><subject>Eye - growth & development</subject><subject>Eye and associated structures. Visual pathways and centers. Vision</subject><subject>Eye Proteins - metabolism</subject><subject>Fluorescent Antibody Technique, Indirect</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Homeodomain Proteins - metabolism</subject><subject>Medical sciences</subject><subject>Methylnitrosourea - toxicity</subject><subject>Mice</subject><subject>Mice, Inbred C57BL</subject><subject>Microscopy, Confocal</subject><subject>Ophthalmology</subject><subject>Paired Box Transcription Factors - metabolism</subject><subject>PAX6 Transcription Factor</subject><subject>Photoreceptor Cells, Vertebrate - cytology</subject><subject>Photoreceptor Cells, Vertebrate - metabolism</subject><subject>Pigment Epithelium of Eye - cytology</subject><subject>Recoverin - metabolism</subject><subject>Repressor Proteins - metabolism</subject><subject>Retinal Degeneration - chemically induced</subject><subject>Retinal Degeneration - pathology</subject><subject>Rhodopsin - metabolism</subject><subject>Stem Cells - cytology</subject><subject>Stem Cells - metabolism</subject><subject>Vertebrates: nervous system and sense organs</subject><issn>0146-0404</issn><issn>1552-5783</issn><issn>1552-5783</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpNkEtLAzEUhYMoWh8715KNO0dzM5lHluKzUGgRXYc7mcRGpklJZlr8906xoKtzFh-Hw0fIJbBbgLK6c2GTblmVAWP1AZlAUfCsqOr8kEwYiDJjgokTcprSF2McgLNjcgI1VBw4TEiYtsb3zjqNvQueBksXy9CHaLRZj0EXYxtiCjFR52m_NHSBY1906JG2Q3T-k8710GGkj2ZjurBejYMUfUvR9ibSN9M7jx2d-q8hfp-TI4tdMhf7PCMfz0_vD6_ZbP4yfbifZVpA0WeFaUvJa15IWUNuC9sKlJWUVVvmlpdWNC0vhZbcSoGNYQgWtJDQyKqxDTb5Gbn53dUxpBSNVevoVhi_FTC186Z23hSr1M7biF_94uuhWZn2D96LGoHrPYBJY2cjeu3SH7f7yYp_3NJ9LrcuGpVW2HXjLKjtdiukAiU4z38AS9qFNQ</recordid><startdate>20080101</startdate><enddate>20080101</enddate><creator>Nishiguchi, Koji M</creator><creator>Kaneko, Hiroki</creator><creator>Nakamura, Makoto</creator><creator>Kachi, Shu</creator><creator>Terasaki, Hiroko</creator><general>ARVO</general><general>Association for Research in Vision and Ophtalmology</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20080101</creationdate><title>Identification of Photoreceptor Precursors in the Pars Plana during Ocular Development and after Retinal Injury</title><author>Nishiguchi, Koji M ; Kaneko, Hiroki ; Nakamura, Makoto ; Kachi, Shu ; Terasaki, Hiroko</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c415t-5ed69282599813f5fd4a97997d63f26f4bd264c92f94abe0a1f1c491b97bfbab3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Bromodeoxyuridine - metabolism</topic><topic>Cell Differentiation</topic><topic>Ciliary Body - cytology</topic><topic>Eye - growth & development</topic><topic>Eye and associated structures. Visual pathways and centers. Vision</topic><topic>Eye Proteins - metabolism</topic><topic>Fluorescent Antibody Technique, Indirect</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Homeodomain Proteins - metabolism</topic><topic>Medical sciences</topic><topic>Methylnitrosourea - toxicity</topic><topic>Mice</topic><topic>Mice, Inbred C57BL</topic><topic>Microscopy, Confocal</topic><topic>Ophthalmology</topic><topic>Paired Box Transcription Factors - metabolism</topic><topic>PAX6 Transcription Factor</topic><topic>Photoreceptor Cells, Vertebrate - cytology</topic><topic>Photoreceptor Cells, Vertebrate - metabolism</topic><topic>Pigment Epithelium of Eye - cytology</topic><topic>Recoverin - metabolism</topic><topic>Repressor Proteins - metabolism</topic><topic>Retinal Degeneration - chemically induced</topic><topic>Retinal Degeneration - pathology</topic><topic>Rhodopsin - metabolism</topic><topic>Stem Cells - cytology</topic><topic>Stem Cells - metabolism</topic><topic>Vertebrates: nervous system and sense organs</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nishiguchi, Koji M</creatorcontrib><creatorcontrib>Kaneko, Hiroki</creatorcontrib><creatorcontrib>Nakamura, Makoto</creatorcontrib><creatorcontrib>Kachi, Shu</creatorcontrib><creatorcontrib>Terasaki, Hiroko</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><jtitle>Investigative ophthalmology & visual science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nishiguchi, Koji M</au><au>Kaneko, Hiroki</au><au>Nakamura, Makoto</au><au>Kachi, Shu</au><au>Terasaki, Hiroko</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Identification of Photoreceptor Precursors in the Pars Plana during Ocular Development and after Retinal Injury</atitle><jtitle>Investigative ophthalmology & visual science</jtitle><addtitle>Invest Ophthalmol Vis Sci</addtitle><date>2008-01-01</date><risdate>2008</risdate><volume>49</volume><issue>1</issue><spage>422</spage><epage>428</epage><pages>422-428</pages><issn>0146-0404</issn><issn>1552-5783</issn><eissn>1552-5783</eissn><coden>IOVSDA</coden><abstract>To study the distribution and differentiation of photoreceptor precursors in the ciliary epithelium in mice.
Proliferating cells in flat-mount specimens of the ciliary body and retina were studied by bromodeoxyuridine (BRDU; 150 mg/kg) labeling in young C57Bl mice. Immunoreactivity to anti-recoverin, rhodopsin, and Pax6 antibodies and binding to peanut agglutinin were analyzed histologically to assess the distribution and differentiation of photoreceptor progenitors or precursors. Mice injected intraperitoneally with N-methyl-N-nitrosourea (MNU; 60 mg/kg) were also examined.
Part of the neuroblast layer composed of BrdU-positive retinal progenitor cells was identified within the ciliary epithelium of the pars plana in continuation of the layer of the peripheral retina during ocular development. In both the ciliary epithelium and the retina, the layer size decreased rapidly and disappeared mostly by postnatal day (P)9. Within the ciliary epithelium of the pars plana, numerous postmitotic rod and cone photoreceptor precursors were identified that rapidly differentiated morphologically and decreased in number with ocular development. Rod precursors were no longer seen in the pars plana at P12, whereas rare presumptive cone precursors persisted even at P120. An increase in the number of presumptive cone precursors (approximately 16-fold) was identified in the pars plana of adult mice with MNU-induced photoreceptor degeneration.
Rod and cone precursors were identified in the ciliary epithelium of the murine pars plana during ocular development but nearly disappeared after the completion of histogenesis. However, in response to retinal injury, an increased number of presumptive cone precursors was found even in the adult pars plana.</abstract><cop>Rockville, MD</cop><pub>ARVO</pub><pmid>18172121</pmid><doi>10.1167/iovs.07-1008</doi><tpages>7</tpages></addata></record> |
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source | MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central |
subjects | Animals Biological and medical sciences Bromodeoxyuridine - metabolism Cell Differentiation Ciliary Body - cytology Eye - growth & development Eye and associated structures. Visual pathways and centers. Vision Eye Proteins - metabolism Fluorescent Antibody Technique, Indirect Fundamental and applied biological sciences. Psychology Homeodomain Proteins - metabolism Medical sciences Methylnitrosourea - toxicity Mice Mice, Inbred C57BL Microscopy, Confocal Ophthalmology Paired Box Transcription Factors - metabolism PAX6 Transcription Factor Photoreceptor Cells, Vertebrate - cytology Photoreceptor Cells, Vertebrate - metabolism Pigment Epithelium of Eye - cytology Recoverin - metabolism Repressor Proteins - metabolism Retinal Degeneration - chemically induced Retinal Degeneration - pathology Rhodopsin - metabolism Stem Cells - cytology Stem Cells - metabolism Vertebrates: nervous system and sense organs |
title | Identification of Photoreceptor Precursors in the Pars Plana during Ocular Development and after Retinal Injury |
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