Effects of releasing recombinant human growth and differentiation factor-5 from poly(lactic-co-glycolic acid) microspheres for repair of the rat degenerated intervertebral disc
Purpose:The objective of this study was to investigate the therapeutic potential of poly(lactic-co-glycolic acid) (PLGA) microspheres loaded with recombinant human growth and differentiation factor-5 (rhGDF-5) on the disc degeneration induced by needle puncture in a rat caudal disc model. Methods:Th...
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| Veröffentlicht in: | Journal of biomaterials applications 2014-07, Vol.29 (1), p.72-80 |
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| creator | Yan, Jihong Yang, Shu Sun, Huaimei Guo, Duo Wu, Bo Ji, Fengqing Zhou, Deshan |
| description | Purpose:The objective of this study was to investigate the therapeutic potential of poly(lactic-co-glycolic acid) (PLGA) microspheres loaded with recombinant human growth and differentiation factor-5 (rhGDF-5) on the disc degeneration induced by needle puncture in a rat caudal disc model.
Methods:The rhGDF-5-loaded PLGA microspheres were prepared by the water-oil-water double-emulsion solvent evaporation method, and release kinetics was determined over 42 days. Rats that underwent 21-G needle puncture at rat tail discs were injected with rhGDF-5/PLGA microspheres at four weeks after needle injury. At eight weeks after the injection, disc height, glycosaminoglycans content, and DNA content of the discs were evaluated. In addition, gene expression analysis of aggrecan, collagen type I, and collagen type II in the rat nucleus pulposus was measured by real-time polymerase chain reaction. Rat discs were also assessed by histology using hematoxylin and eosin stain.
Results:Encapsulation of rhGDF-5 in PLGA microspheres guaranteed a sustained release of active rhGDF-5 for more than 42 days. The injection of GDF-5/PLGA microspheres resulted in a statistically significant restoration of disc height (p |
| doi_str_mv | 10.1177/0885328213515034 |
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Methods:The rhGDF-5-loaded PLGA microspheres were prepared by the water-oil-water double-emulsion solvent evaporation method, and release kinetics was determined over 42 days. Rats that underwent 21-G needle puncture at rat tail discs were injected with rhGDF-5/PLGA microspheres at four weeks after needle injury. At eight weeks after the injection, disc height, glycosaminoglycans content, and DNA content of the discs were evaluated. In addition, gene expression analysis of aggrecan, collagen type I, and collagen type II in the rat nucleus pulposus was measured by real-time polymerase chain reaction. Rat discs were also assessed by histology using hematoxylin and eosin stain.
Results:Encapsulation of rhGDF-5 in PLGA microspheres guaranteed a sustained release of active rhGDF-5 for more than 42 days. The injection of GDF-5/PLGA microspheres resulted in a statistically significant restoration of disc height (p < 0.01), improvement of sulfated glycosaminoglycan (p < 0.05), DNA content (p < 0.05), and significantly increased mRNA levels of collagen type II (p < 0.01), and the differentiation index (the ratio of collagen type II to collagen type I, p < 0.01). In addition, rhGDF-5/PLGA microspheres treatment also improved histological changes induced by needle puncture.
Conclusions:The results of this study suggest that injection of rhGDF-5 loaded in PLGA microspheres into rat tail discs may be as a promising therapy strategy to regenerate or repair the degenerative disc.</description><identifier>ISSN: 0885-3282</identifier><identifier>EISSN: 1530-8022</identifier><identifier>DOI: 10.1177/0885328213515034</identifier><identifier>PMID: 24327349</identifier><language>eng</language><publisher>London, England: SAGE Publications</publisher><subject>Aggrecans - genetics ; Animals ; Biocompatible Materials ; Collagen - genetics ; Delayed-Action Preparations ; Disease Models, Animal ; Drug Delivery Systems ; Growth Differentiation Factor 5 - administration & dosage ; Growth Differentiation Factor 5 - pharmacokinetics ; Humans ; Intervertebral Disc Degeneration - drug therapy ; Intervertebral Disc Degeneration - metabolism ; Intervertebral Disc Degeneration - pathology ; Lactic Acid ; Male ; Materials Testing ; Microspheres ; Polyglycolic Acid ; Rats ; Rats, Sprague-Dawley ; Recombinant Proteins - administration & dosage ; Recombinant Proteins - pharmacokinetics ; RNA, Messenger - genetics ; RNA, Messenger - metabolism</subject><ispartof>Journal of biomaterials applications, 2014-07, Vol.29 (1), p.72-80</ispartof><rights>The Author(s) 2013 Reprints and permissions: sagepub.co.uk/journalsPermissions.nav</rights><rights>The Author(s) 2013 Reprints and permissions: sagepub.co.uk/journalsPermissions.nav.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c407t-a230584a33855deea83bcd492c3a04d0d2c918e67e7def67a343e9724c11dccb3</citedby><cites>FETCH-LOGICAL-c407t-a230584a33855deea83bcd492c3a04d0d2c918e67e7def67a343e9724c11dccb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1177/0885328213515034$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1177/0885328213515034$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,776,780,21798,27901,27902,43597,43598</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24327349$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yan, Jihong</creatorcontrib><creatorcontrib>Yang, Shu</creatorcontrib><creatorcontrib>Sun, Huaimei</creatorcontrib><creatorcontrib>Guo, Duo</creatorcontrib><creatorcontrib>Wu, Bo</creatorcontrib><creatorcontrib>Ji, Fengqing</creatorcontrib><creatorcontrib>Zhou, Deshan</creatorcontrib><title>Effects of releasing recombinant human growth and differentiation factor-5 from poly(lactic-co-glycolic acid) microspheres for repair of the rat degenerated intervertebral disc</title><title>Journal of biomaterials applications</title><addtitle>J Biomater Appl</addtitle><description>Purpose:The objective of this study was to investigate the therapeutic potential of poly(lactic-co-glycolic acid) (PLGA) microspheres loaded with recombinant human growth and differentiation factor-5 (rhGDF-5) on the disc degeneration induced by needle puncture in a rat caudal disc model.
Methods:The rhGDF-5-loaded PLGA microspheres were prepared by the water-oil-water double-emulsion solvent evaporation method, and release kinetics was determined over 42 days. Rats that underwent 21-G needle puncture at rat tail discs were injected with rhGDF-5/PLGA microspheres at four weeks after needle injury. At eight weeks after the injection, disc height, glycosaminoglycans content, and DNA content of the discs were evaluated. In addition, gene expression analysis of aggrecan, collagen type I, and collagen type II in the rat nucleus pulposus was measured by real-time polymerase chain reaction. Rat discs were also assessed by histology using hematoxylin and eosin stain.
Results:Encapsulation of rhGDF-5 in PLGA microspheres guaranteed a sustained release of active rhGDF-5 for more than 42 days. The injection of GDF-5/PLGA microspheres resulted in a statistically significant restoration of disc height (p < 0.01), improvement of sulfated glycosaminoglycan (p < 0.05), DNA content (p < 0.05), and significantly increased mRNA levels of collagen type II (p < 0.01), and the differentiation index (the ratio of collagen type II to collagen type I, p < 0.01). In addition, rhGDF-5/PLGA microspheres treatment also improved histological changes induced by needle puncture.
Conclusions:The results of this study suggest that injection of rhGDF-5 loaded in PLGA microspheres into rat tail discs may be as a promising therapy strategy to regenerate or repair the degenerative disc.</description><subject>Aggrecans - genetics</subject><subject>Animals</subject><subject>Biocompatible Materials</subject><subject>Collagen - genetics</subject><subject>Delayed-Action Preparations</subject><subject>Disease Models, Animal</subject><subject>Drug Delivery Systems</subject><subject>Growth Differentiation Factor 5 - administration & dosage</subject><subject>Growth Differentiation Factor 5 - pharmacokinetics</subject><subject>Humans</subject><subject>Intervertebral Disc Degeneration - drug therapy</subject><subject>Intervertebral Disc Degeneration - metabolism</subject><subject>Intervertebral Disc Degeneration - pathology</subject><subject>Lactic Acid</subject><subject>Male</subject><subject>Materials Testing</subject><subject>Microspheres</subject><subject>Polyglycolic Acid</subject><subject>Rats</subject><subject>Rats, Sprague-Dawley</subject><subject>Recombinant Proteins - administration & dosage</subject><subject>Recombinant Proteins - pharmacokinetics</subject><subject>RNA, Messenger - genetics</subject><subject>RNA, Messenger - metabolism</subject><issn>0885-3282</issn><issn>1530-8022</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkUtv1TAQhS0EorePPSvkZVkE_LxJlqgqUKlSN7COJvYk11ViB9sB3X_FT6yjW1ggIVYeeb5zjjSHkDecvee8rj-wptFSNIJLzTWT6gXZcS1Z1TAhXpLdtq62_Rk5T-mRMaZbtX9NzoSSopaq3ZFft8OAJicaBhpxQkjOj2UyYe6dB5_pYZ3B0zGGn_lAwVtqXZFE9NlBdsHTAUwOsdJ0iGGmS5iO11P5cqYyoRqnowmTMxSMs-_o7EwMaTkUfaJDiCVpARe39HxAGiFTiyN6LBNa6nzG-ANjxj7CVJKTuSSvBpgSXj2_F-Tbp9uvN1-q-4fPdzcf7yujWJ0rEJLpRoGUjdYWERrZG6taYSQwZZkVpuUN7musLQ77GqSS2NZCGc6tMb28INcn3yWG7yum3M0lHacJPIY1dbxhXIm6hP0f3bdctJK1bUHZCd3OkCIO3RLdDPHYcdZtlXZ_V1okb5_d135G-0fwu8MCVCcgwYjdY1ijL4f5t-ETs9-sTw</recordid><startdate>20140701</startdate><enddate>20140701</enddate><creator>Yan, Jihong</creator><creator>Yang, Shu</creator><creator>Sun, Huaimei</creator><creator>Guo, Duo</creator><creator>Wu, Bo</creator><creator>Ji, Fengqing</creator><creator>Zhou, Deshan</creator><general>SAGE Publications</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>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>20140701</creationdate><title>Effects of releasing recombinant human growth and differentiation factor-5 from poly(lactic-co-glycolic acid) microspheres for repair of the rat degenerated intervertebral disc</title><author>Yan, Jihong ; Yang, Shu ; Sun, Huaimei ; Guo, Duo ; Wu, Bo ; Ji, Fengqing ; Zhou, Deshan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c407t-a230584a33855deea83bcd492c3a04d0d2c918e67e7def67a343e9724c11dccb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Aggrecans - genetics</topic><topic>Animals</topic><topic>Biocompatible Materials</topic><topic>Collagen - genetics</topic><topic>Delayed-Action Preparations</topic><topic>Disease Models, Animal</topic><topic>Drug Delivery Systems</topic><topic>Growth Differentiation Factor 5 - administration & dosage</topic><topic>Growth Differentiation Factor 5 - pharmacokinetics</topic><topic>Humans</topic><topic>Intervertebral Disc Degeneration - drug therapy</topic><topic>Intervertebral Disc Degeneration - metabolism</topic><topic>Intervertebral Disc Degeneration - pathology</topic><topic>Lactic Acid</topic><topic>Male</topic><topic>Materials Testing</topic><topic>Microspheres</topic><topic>Polyglycolic Acid</topic><topic>Rats</topic><topic>Rats, Sprague-Dawley</topic><topic>Recombinant Proteins - administration & dosage</topic><topic>Recombinant Proteins - pharmacokinetics</topic><topic>RNA, Messenger - genetics</topic><topic>RNA, Messenger - metabolism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yan, Jihong</creatorcontrib><creatorcontrib>Yang, Shu</creatorcontrib><creatorcontrib>Sun, Huaimei</creatorcontrib><creatorcontrib>Guo, Duo</creatorcontrib><creatorcontrib>Wu, Bo</creatorcontrib><creatorcontrib>Ji, Fengqing</creatorcontrib><creatorcontrib>Zhou, Deshan</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of biomaterials applications</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yan, Jihong</au><au>Yang, Shu</au><au>Sun, Huaimei</au><au>Guo, Duo</au><au>Wu, Bo</au><au>Ji, Fengqing</au><au>Zhou, Deshan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of releasing recombinant human growth and differentiation factor-5 from poly(lactic-co-glycolic acid) microspheres for repair of the rat degenerated intervertebral disc</atitle><jtitle>Journal of biomaterials applications</jtitle><addtitle>J Biomater Appl</addtitle><date>2014-07-01</date><risdate>2014</risdate><volume>29</volume><issue>1</issue><spage>72</spage><epage>80</epage><pages>72-80</pages><issn>0885-3282</issn><eissn>1530-8022</eissn><abstract>Purpose:The objective of this study was to investigate the therapeutic potential of poly(lactic-co-glycolic acid) (PLGA) microspheres loaded with recombinant human growth and differentiation factor-5 (rhGDF-5) on the disc degeneration induced by needle puncture in a rat caudal disc model.
Methods:The rhGDF-5-loaded PLGA microspheres were prepared by the water-oil-water double-emulsion solvent evaporation method, and release kinetics was determined over 42 days. Rats that underwent 21-G needle puncture at rat tail discs were injected with rhGDF-5/PLGA microspheres at four weeks after needle injury. At eight weeks after the injection, disc height, glycosaminoglycans content, and DNA content of the discs were evaluated. In addition, gene expression analysis of aggrecan, collagen type I, and collagen type II in the rat nucleus pulposus was measured by real-time polymerase chain reaction. Rat discs were also assessed by histology using hematoxylin and eosin stain.
Results:Encapsulation of rhGDF-5 in PLGA microspheres guaranteed a sustained release of active rhGDF-5 for more than 42 days. The injection of GDF-5/PLGA microspheres resulted in a statistically significant restoration of disc height (p < 0.01), improvement of sulfated glycosaminoglycan (p < 0.05), DNA content (p < 0.05), and significantly increased mRNA levels of collagen type II (p < 0.01), and the differentiation index (the ratio of collagen type II to collagen type I, p < 0.01). In addition, rhGDF-5/PLGA microspheres treatment also improved histological changes induced by needle puncture.
Conclusions:The results of this study suggest that injection of rhGDF-5 loaded in PLGA microspheres into rat tail discs may be as a promising therapy strategy to regenerate or repair the degenerative disc.</abstract><cop>London, England</cop><pub>SAGE Publications</pub><pmid>24327349</pmid><doi>10.1177/0885328213515034</doi><tpages>9</tpages></addata></record> |
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| subjects | Aggrecans - genetics Animals Biocompatible Materials Collagen - genetics Delayed-Action Preparations Disease Models, Animal Drug Delivery Systems Growth Differentiation Factor 5 - administration & dosage Growth Differentiation Factor 5 - pharmacokinetics Humans Intervertebral Disc Degeneration - drug therapy Intervertebral Disc Degeneration - metabolism Intervertebral Disc Degeneration - pathology Lactic Acid Male Materials Testing Microspheres Polyglycolic Acid Rats Rats, Sprague-Dawley Recombinant Proteins - administration & dosage Recombinant Proteins - pharmacokinetics RNA, Messenger - genetics RNA, Messenger - metabolism |
| title | Effects of releasing recombinant human growth and differentiation factor-5 from poly(lactic-co-glycolic acid) microspheres for repair of the rat degenerated intervertebral disc |
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