Do bacteriophages have activity in synovial fluid and against synovial fluid induced bacterial aggregates?
Bacteriophage therapy is a promising adjuvant therapy for the treatment of periprosthetic joint infections. However, there is a paucity of knowledge about the activity of bacteriophages in synovial fluid. Therefore, this study evaluated the activity of a clinically used bacteriophage in synovial flu...
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| Veröffentlicht in: | Journal of orthopaedic research 2024-02, Vol.42 (2), p.484-490 |
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| container_title | Journal of orthopaedic research |
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| creator | Yu, Guangchao Doub, James B. Mao, Yuzhu Kjellerup, Birthe V. |
| description | Bacteriophage therapy is a promising adjuvant therapy for the treatment of periprosthetic joint infections. However, there is a paucity of knowledge about the activity of bacteriophages in synovial fluid. Therefore, this study evaluated the activity of a clinically used bacteriophage in synovial fluid as well as the ability of that bacteriophage to prevent the formation of and eradicate bacteria in synovial fluid induced aggregates. The results of this study reinforce that synovial fluid induced aggregates form rapidly in numerous synovial fluid concentrations. More importantly, there was a statistically significant reduction in bacteriophage activity in synovial fluid compared to tryptic soy broth (p |
| doi_str_mv | 10.1002/jor.25692 |
| format | Article |
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However, there is a paucity of knowledge about the activity of bacteriophages in synovial fluid. Therefore, this study evaluated the activity of a clinically used bacteriophage in synovial fluid as well as the ability of that bacteriophage to prevent the formation of and eradicate bacteria in synovial fluid induced aggregates. The results of this study reinforce that synovial fluid induced aggregates form rapidly in numerous synovial fluid concentrations. More importantly, there was a statistically significant reduction in bacteriophage activity in synovial fluid compared to tryptic soy broth (p < 0.05) and the bacteriophage could not prevent the formation synovial fluid induced aggregates. Also the bacteriophage could not significantly reduce the amount of bacteria in the synovial fluid induced aggregates when compared to controls, and this was not secondary to resistance. Rather the reduced activity seems to be caused by bacteriophages being hindered in the ability to attach to bacterial receptors. We hypothesize this occurred because the viscosity of synovial fluid slowed bacteriophage interactions with planktonic bacteria and the synovial fluid polymers obstructed the bacteriophage attachment receptors thereby preventing attachment to bacteria in the aggregates. These findings have clinical ramifications, supporting the use of bacteriophage therapy as an adjunct to surgical interventions and not in isolation, at the nascent stage. 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However, there is a paucity of knowledge about the activity of bacteriophages in synovial fluid. Therefore, this study evaluated the activity of a clinically used bacteriophage in synovial fluid as well as the ability of that bacteriophage to prevent the formation of and eradicate bacteria in synovial fluid induced aggregates. The results of this study reinforce that synovial fluid induced aggregates form rapidly in numerous synovial fluid concentrations. More importantly, there was a statistically significant reduction in bacteriophage activity in synovial fluid compared to tryptic soy broth (p < 0.05) and the bacteriophage could not prevent the formation synovial fluid induced aggregates. Also the bacteriophage could not significantly reduce the amount of bacteria in the synovial fluid induced aggregates when compared to controls, and this was not secondary to resistance. Rather the reduced activity seems to be caused by bacteriophages being hindered in the ability to attach to bacterial receptors. We hypothesize this occurred because the viscosity of synovial fluid slowed bacteriophage interactions with planktonic bacteria and the synovial fluid polymers obstructed the bacteriophage attachment receptors thereby preventing attachment to bacteria in the aggregates. These findings have clinical ramifications, supporting the use of bacteriophage therapy as an adjunct to surgical interventions and not in isolation, at the nascent stage. While these findings show a shortcoming of bacteriophage therapy in periprosthetic joint infections, the knowledge gained should spearhead further research to ultimately devise effective and reproducible bacteriophage therapeutics.</description><subject>Arthritis, Infectious - therapy</subject><subject>Bacteria</subject><subject>bacterial aggregate</subject><subject>bacteriophage</subject><subject>Bacteriophages</subject><subject>Humans</subject><subject>periprosthetic joint infection</subject><subject>Prosthesis-Related Infections - prevention & control</subject><subject>Staphylococcus aureus</subject><subject>synovial fluid</subject><subject>Synovial Fluid - microbiology</subject><issn>0736-0266</issn><issn>1554-527X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kE1Lw0AQQBdRbK0e_AOSox7S7kd2szmJ1G8KBenB27JJZtMtaVJ3k0r-vdG2HgQPw8DM4x0eQpcEjwnGdLKq3ZhykdAjNCScRyGn8fsxGuKYiRBTIQbozPsVxjgmVJ6iAYtjKhNBh2h1Xwepzhpwtt4sdQE-WOotBP3Jbm3TBbYKfFfVW6vLwJStzQNd9VNoW_nm78tWeZtBfjD2d10UDgrdgL89RydGlx4u9nuEFo8Pi-lzOJs_vUzvZmHGBKahEUZKkBEXJtWRISAlJobxJGcpQJQwmbHcJIRyTFmOZYwjmUoipdEaMmAjdL3Tblz90YJv1Nr6DMpSV1C3XlEpYsIZiUiP3uzQzNXeOzBq4-xau04RrL7Lqr6s-inbs1d7bZuuIf8lDyl7YLIDPm0J3f8m9Tp_2ym_AC6thFo</recordid><startdate>202402</startdate><enddate>202402</enddate><creator>Yu, Guangchao</creator><creator>Doub, James B.</creator><creator>Mao, Yuzhu</creator><creator>Kjellerup, Birthe V.</creator><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><orcidid>https://orcid.org/0000-0002-4977-0968</orcidid></search><sort><creationdate>202402</creationdate><title>Do bacteriophages have activity in synovial fluid and against synovial fluid induced bacterial aggregates?</title><author>Yu, Guangchao ; Doub, James B. ; Mao, Yuzhu ; Kjellerup, Birthe V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3602-f6f88e8456fba4f1e8801f359d3bee4938c3df9125023d087048b8188faaece3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Arthritis, Infectious - therapy</topic><topic>Bacteria</topic><topic>bacterial aggregate</topic><topic>bacteriophage</topic><topic>Bacteriophages</topic><topic>Humans</topic><topic>periprosthetic joint infection</topic><topic>Prosthesis-Related Infections - prevention & control</topic><topic>Staphylococcus aureus</topic><topic>synovial fluid</topic><topic>Synovial Fluid - microbiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yu, Guangchao</creatorcontrib><creatorcontrib>Doub, James B.</creatorcontrib><creatorcontrib>Mao, Yuzhu</creatorcontrib><creatorcontrib>Kjellerup, Birthe V.</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>Journal of orthopaedic research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yu, Guangchao</au><au>Doub, James B.</au><au>Mao, Yuzhu</au><au>Kjellerup, Birthe V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Do bacteriophages have activity in synovial fluid and against synovial fluid induced bacterial aggregates?</atitle><jtitle>Journal of orthopaedic research</jtitle><addtitle>J Orthop Res</addtitle><date>2024-02</date><risdate>2024</risdate><volume>42</volume><issue>2</issue><spage>484</spage><epage>490</epage><pages>484-490</pages><issn>0736-0266</issn><eissn>1554-527X</eissn><abstract>Bacteriophage therapy is a promising adjuvant therapy for the treatment of periprosthetic joint infections. However, there is a paucity of knowledge about the activity of bacteriophages in synovial fluid. Therefore, this study evaluated the activity of a clinically used bacteriophage in synovial fluid as well as the ability of that bacteriophage to prevent the formation of and eradicate bacteria in synovial fluid induced aggregates. The results of this study reinforce that synovial fluid induced aggregates form rapidly in numerous synovial fluid concentrations. More importantly, there was a statistically significant reduction in bacteriophage activity in synovial fluid compared to tryptic soy broth (p < 0.05) and the bacteriophage could not prevent the formation synovial fluid induced aggregates. Also the bacteriophage could not significantly reduce the amount of bacteria in the synovial fluid induced aggregates when compared to controls, and this was not secondary to resistance. Rather the reduced activity seems to be caused by bacteriophages being hindered in the ability to attach to bacterial receptors. We hypothesize this occurred because the viscosity of synovial fluid slowed bacteriophage interactions with planktonic bacteria and the synovial fluid polymers obstructed the bacteriophage attachment receptors thereby preventing attachment to bacteria in the aggregates. These findings have clinical ramifications, supporting the use of bacteriophage therapy as an adjunct to surgical interventions and not in isolation, at the nascent stage. While these findings show a shortcoming of bacteriophage therapy in periprosthetic joint infections, the knowledge gained should spearhead further research to ultimately devise effective and reproducible bacteriophage therapeutics.</abstract><cop>United States</cop><pmid>37728962</pmid><doi>10.1002/jor.25692</doi><tpages>0</tpages><orcidid>https://orcid.org/0000-0002-4977-0968</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Arthritis, Infectious - therapy Bacteria bacterial aggregate bacteriophage Bacteriophages Humans periprosthetic joint infection Prosthesis-Related Infections - prevention & control Staphylococcus aureus synovial fluid Synovial Fluid - microbiology |
| title | Do bacteriophages have activity in synovial fluid and against synovial fluid induced bacterial aggregates? |
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