Identification of Antiangiogenic and Antiinflammatory Proteins in Human Amniotic Membrane
PURPOSE.To identify the potential antiangiogenic and antiinflammatory proteins expressed in human amniotic membrane tissue. METHODS.Human amniotic epithelial and mesenchymal cells were isolated from human amniotic membranes by sequential trypsin and collagenase digestion. Total RNAs were harvested f...
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| Veröffentlicht in: | Cornea 2000-05, Vol.19 (3), p.348-352 |
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| creator | Hao, Yanxia Ma, David Hui-Kang Hwang, David G Kim, Wan-Soo Zhang, Fen |
| description | PURPOSE.To identify the potential antiangiogenic and antiinflammatory proteins expressed in human amniotic membrane tissue.
METHODS.Human amniotic epithelial and mesenchymal cells were isolated from human amniotic membranes by sequential trypsin and collagenase digestion. Total RNAs were harvested from freshly obtained human amniotic epithelial and mesenchymal cells. Antiangiogenic and antiinflammatory proteins were detected by the reverse transcriptase-polymerase chain reaction (RT-PCR) technique and further confirmed by DNA sequencing of PCR-amplified transcripts. The distribution of tissue inhibitors of metalloproteinase (TIMPs) were studied further by immunohistochemistry performed on paraffin-embedded amniotic membrane tissue.
RESULTS.RT-PCR results showed that both human amniotic epithelial and mesenchymal cells express interleukin-1 receptor antagonist, all four TIMPs, collagen XVIII, and interleukin-10. Thrombospondin-1 was expressed in all of the epithelial cell specimens and in one out of five mesenchymal cell specimens. Furthermore, immunohistochemistry studies performed on freshly prepared amniotic membrane confirmed that all members of the TIMP family were present in epithelial and mesenchymal cells as well as in the compact layer of the amniotic stroma. In cryopreserved amniotic membranes, positive staining was seen in residual amniotic cells and stroma.
CONCLUSIONS.Human amniotic membrane epithelial and mesenchymal cells express various antiangiogenic and antiinflammatory proteins. Some of those proteins also were found in amniotic membrane stroma. These findings may explain in part the antiangiogenic and antiinflammatory effects of amniotic membrane transplantation. |
| doi_str_mv | 10.1097/00003226-200005000-00018 |
| format | Article |
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METHODS.Human amniotic epithelial and mesenchymal cells were isolated from human amniotic membranes by sequential trypsin and collagenase digestion. Total RNAs were harvested from freshly obtained human amniotic epithelial and mesenchymal cells. Antiangiogenic and antiinflammatory proteins were detected by the reverse transcriptase-polymerase chain reaction (RT-PCR) technique and further confirmed by DNA sequencing of PCR-amplified transcripts. The distribution of tissue inhibitors of metalloproteinase (TIMPs) were studied further by immunohistochemistry performed on paraffin-embedded amniotic membrane tissue.
RESULTS.RT-PCR results showed that both human amniotic epithelial and mesenchymal cells express interleukin-1 receptor antagonist, all four TIMPs, collagen XVIII, and interleukin-10. Thrombospondin-1 was expressed in all of the epithelial cell specimens and in one out of five mesenchymal cell specimens. Furthermore, immunohistochemistry studies performed on freshly prepared amniotic membrane confirmed that all members of the TIMP family were present in epithelial and mesenchymal cells as well as in the compact layer of the amniotic stroma. In cryopreserved amniotic membranes, positive staining was seen in residual amniotic cells and stroma.
CONCLUSIONS.Human amniotic membrane epithelial and mesenchymal cells express various antiangiogenic and antiinflammatory proteins. Some of those proteins also were found in amniotic membrane stroma. These findings may explain in part the antiangiogenic and antiinflammatory effects of amniotic membrane transplantation.</description><identifier>ISSN: 0277-3740</identifier><identifier>EISSN: 1536-4798</identifier><identifier>DOI: 10.1097/00003226-200005000-00018</identifier><identifier>PMID: 10832697</identifier><language>eng</language><publisher>United States: Lippincott Williams & Wilkins, Inc</publisher><subject>Amnion - chemistry ; Cell Separation ; Collagen - analysis ; Collagen - genetics ; DNA Primers - chemistry ; Epithelial Cells - chemistry ; Gene Expression ; Humans ; Immunoenzyme Techniques ; Interleukin 1 Receptor Antagonist Protein ; Interleukin-10 - analysis ; Interleukin-10 - genetics ; Mesoderm - chemistry ; Reverse Transcriptase Polymerase Chain Reaction ; RNA - isolation & purification ; Sequence Analysis, DNA ; Sialoglycoproteins - analysis ; Sialoglycoproteins - genetics ; Thrombospondin 1 - analysis ; Tissue Inhibitor of Metalloproteinases - analysis ; Tissue Inhibitor of Metalloproteinases - genetics</subject><ispartof>Cornea, 2000-05, Vol.19 (3), p.348-352</ispartof><rights>2000 Lippincott Williams & Wilkins, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4228-e44769ba09c86b9f5c70efde8b13849b5f46d88557486688e756b7be35cbf8003</citedby><cites>FETCH-LOGICAL-c4228-e44769ba09c86b9f5c70efde8b13849b5f46d88557486688e756b7be35cbf8003</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,27905,27906</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/10832697$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hao, Yanxia</creatorcontrib><creatorcontrib>Ma, David Hui-Kang</creatorcontrib><creatorcontrib>Hwang, David G</creatorcontrib><creatorcontrib>Kim, Wan-Soo</creatorcontrib><creatorcontrib>Zhang, Fen</creatorcontrib><title>Identification of Antiangiogenic and Antiinflammatory Proteins in Human Amniotic Membrane</title><title>Cornea</title><addtitle>Cornea</addtitle><description>PURPOSE.To identify the potential antiangiogenic and antiinflammatory proteins expressed in human amniotic membrane tissue.
METHODS.Human amniotic epithelial and mesenchymal cells were isolated from human amniotic membranes by sequential trypsin and collagenase digestion. Total RNAs were harvested from freshly obtained human amniotic epithelial and mesenchymal cells. Antiangiogenic and antiinflammatory proteins were detected by the reverse transcriptase-polymerase chain reaction (RT-PCR) technique and further confirmed by DNA sequencing of PCR-amplified transcripts. The distribution of tissue inhibitors of metalloproteinase (TIMPs) were studied further by immunohistochemistry performed on paraffin-embedded amniotic membrane tissue.
RESULTS.RT-PCR results showed that both human amniotic epithelial and mesenchymal cells express interleukin-1 receptor antagonist, all four TIMPs, collagen XVIII, and interleukin-10. Thrombospondin-1 was expressed in all of the epithelial cell specimens and in one out of five mesenchymal cell specimens. Furthermore, immunohistochemistry studies performed on freshly prepared amniotic membrane confirmed that all members of the TIMP family were present in epithelial and mesenchymal cells as well as in the compact layer of the amniotic stroma. In cryopreserved amniotic membranes, positive staining was seen in residual amniotic cells and stroma.
CONCLUSIONS.Human amniotic membrane epithelial and mesenchymal cells express various antiangiogenic and antiinflammatory proteins. Some of those proteins also were found in amniotic membrane stroma. These findings may explain in part the antiangiogenic and antiinflammatory effects of amniotic membrane transplantation.</description><subject>Amnion - chemistry</subject><subject>Cell Separation</subject><subject>Collagen - analysis</subject><subject>Collagen - genetics</subject><subject>DNA Primers - chemistry</subject><subject>Epithelial Cells - chemistry</subject><subject>Gene Expression</subject><subject>Humans</subject><subject>Immunoenzyme Techniques</subject><subject>Interleukin 1 Receptor Antagonist Protein</subject><subject>Interleukin-10 - analysis</subject><subject>Interleukin-10 - genetics</subject><subject>Mesoderm - chemistry</subject><subject>Reverse Transcriptase Polymerase Chain Reaction</subject><subject>RNA - isolation & purification</subject><subject>Sequence Analysis, DNA</subject><subject>Sialoglycoproteins - analysis</subject><subject>Sialoglycoproteins - genetics</subject><subject>Thrombospondin 1 - analysis</subject><subject>Tissue Inhibitor of Metalloproteinases - analysis</subject><subject>Tissue Inhibitor of Metalloproteinases - genetics</subject><issn>0277-3740</issn><issn>1536-4798</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kU1PxCAQQInR6Lr6F0xP3qq05avHjVF3E40e9OCJQDso2oJCm43_XnarxoskExjyZpg8EMoKfFbgmp_jtKqyZHm5OdEUeYpC7KBZQSuWE16LXTTDJed5xQk-QIcxviaEc1buo4MCi6pkNZ-hp1ULbrDGNmqw3mXeZIuUK_ds_TM422TKtdsr60yn-l4NPnxm98EPYF3MrMuWY69ctuid9UPib6HXQTk4QntGdRGOv_c5ery6fLhY5jd316uLxU3ekLIUORDCWa0VrhvBdG1owzGYFoQuKkFqTQ1hrRCUciIYEwI4ZZprqGijjUga5uh06vse_McIcZC9jQ10XZrBj1HyIjWitEqgmMAm-BgDGPkebK_Cpyyw3GiVP1rlr1a51ZpKT77fGHUP7Z_CyWMCyASsfTdAiG_duIYgX0B1w4v877uqL1pygn0</recordid><startdate>200005</startdate><enddate>200005</enddate><creator>Hao, Yanxia</creator><creator>Ma, David Hui-Kang</creator><creator>Hwang, David G</creator><creator>Kim, Wan-Soo</creator><creator>Zhang, Fen</creator><general>Lippincott Williams & Wilkins, Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>200005</creationdate><title>Identification of Antiangiogenic and Antiinflammatory Proteins in Human Amniotic Membrane</title><author>Hao, Yanxia ; Ma, David Hui-Kang ; Hwang, David G ; Kim, Wan-Soo ; Zhang, Fen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4228-e44769ba09c86b9f5c70efde8b13849b5f46d88557486688e756b7be35cbf8003</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Amnion - chemistry</topic><topic>Cell Separation</topic><topic>Collagen - analysis</topic><topic>Collagen - genetics</topic><topic>DNA Primers - chemistry</topic><topic>Epithelial Cells - chemistry</topic><topic>Gene Expression</topic><topic>Humans</topic><topic>Immunoenzyme Techniques</topic><topic>Interleukin 1 Receptor Antagonist Protein</topic><topic>Interleukin-10 - analysis</topic><topic>Interleukin-10 - genetics</topic><topic>Mesoderm - chemistry</topic><topic>Reverse Transcriptase Polymerase Chain Reaction</topic><topic>RNA - isolation & purification</topic><topic>Sequence Analysis, DNA</topic><topic>Sialoglycoproteins - analysis</topic><topic>Sialoglycoproteins - genetics</topic><topic>Thrombospondin 1 - analysis</topic><topic>Tissue Inhibitor of Metalloproteinases - analysis</topic><topic>Tissue Inhibitor of Metalloproteinases - genetics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hao, Yanxia</creatorcontrib><creatorcontrib>Ma, David Hui-Kang</creatorcontrib><creatorcontrib>Hwang, David G</creatorcontrib><creatorcontrib>Kim, Wan-Soo</creatorcontrib><creatorcontrib>Zhang, Fen</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Cornea</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hao, Yanxia</au><au>Ma, David Hui-Kang</au><au>Hwang, David G</au><au>Kim, Wan-Soo</au><au>Zhang, Fen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Identification of Antiangiogenic and Antiinflammatory Proteins in Human Amniotic Membrane</atitle><jtitle>Cornea</jtitle><addtitle>Cornea</addtitle><date>2000-05</date><risdate>2000</risdate><volume>19</volume><issue>3</issue><spage>348</spage><epage>352</epage><pages>348-352</pages><issn>0277-3740</issn><eissn>1536-4798</eissn><abstract>PURPOSE.To identify the potential antiangiogenic and antiinflammatory proteins expressed in human amniotic membrane tissue.
METHODS.Human amniotic epithelial and mesenchymal cells were isolated from human amniotic membranes by sequential trypsin and collagenase digestion. Total RNAs were harvested from freshly obtained human amniotic epithelial and mesenchymal cells. Antiangiogenic and antiinflammatory proteins were detected by the reverse transcriptase-polymerase chain reaction (RT-PCR) technique and further confirmed by DNA sequencing of PCR-amplified transcripts. The distribution of tissue inhibitors of metalloproteinase (TIMPs) were studied further by immunohistochemistry performed on paraffin-embedded amniotic membrane tissue.
RESULTS.RT-PCR results showed that both human amniotic epithelial and mesenchymal cells express interleukin-1 receptor antagonist, all four TIMPs, collagen XVIII, and interleukin-10. Thrombospondin-1 was expressed in all of the epithelial cell specimens and in one out of five mesenchymal cell specimens. Furthermore, immunohistochemistry studies performed on freshly prepared amniotic membrane confirmed that all members of the TIMP family were present in epithelial and mesenchymal cells as well as in the compact layer of the amniotic stroma. In cryopreserved amniotic membranes, positive staining was seen in residual amniotic cells and stroma.
CONCLUSIONS.Human amniotic membrane epithelial and mesenchymal cells express various antiangiogenic and antiinflammatory proteins. Some of those proteins also were found in amniotic membrane stroma. These findings may explain in part the antiangiogenic and antiinflammatory effects of amniotic membrane transplantation.</abstract><cop>United States</cop><pub>Lippincott Williams & Wilkins, Inc</pub><pmid>10832697</pmid><doi>10.1097/00003226-200005000-00018</doi><tpages>5</tpages></addata></record> |
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| subjects | Amnion - chemistry Cell Separation Collagen - analysis Collagen - genetics DNA Primers - chemistry Epithelial Cells - chemistry Gene Expression Humans Immunoenzyme Techniques Interleukin 1 Receptor Antagonist Protein Interleukin-10 - analysis Interleukin-10 - genetics Mesoderm - chemistry Reverse Transcriptase Polymerase Chain Reaction RNA - isolation & purification Sequence Analysis, DNA Sialoglycoproteins - analysis Sialoglycoproteins - genetics Thrombospondin 1 - analysis Tissue Inhibitor of Metalloproteinases - analysis Tissue Inhibitor of Metalloproteinases - genetics |
| title | Identification of Antiangiogenic and Antiinflammatory Proteins in Human Amniotic Membrane |
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