Multifunctional injectable hydrogel system as a mild photothermal-assisted therapeutic platform for programmed regulation of inflammation and osteo-microenvironment for enhanced healing of diabetic bone defects in situ
Factor-free biomaterial scaffolds play an increasingly important role in promoting bone reconstruction and regeneration. However, the complicated and variable pathophysiological microenvironments of the injury sites under diabetic conditions, including the vicious cycle of oxidative stress and infla...
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description | Factor-free biomaterial scaffolds play an increasingly important role in promoting
bone reconstruction and regeneration. However, the complicated and variable pathophysiological microenvironments of the injury sites under diabetic conditions, including the vicious cycle of oxidative stress and inflammatory response, impaired osteo/angiogenesis function and hyperactive osteoclastogenesis, as well as increased susceptibility to bacterial infection, may largely weaken the therapeutic potential of implanted scaffolds, leading to uncontrolled and poor outcomes of bone defect healing.
To tackle the aforementioned challenges, a mild photothermal-assisted multifunctional therapeutic platform (denoted as GAD/MC) that integrates copper-containing two-dimensional Ti
C
T
MXene nanosheets, gelatin methacrylate, and alginate-graft-dopamine was proposed to achieve efficient and synergistic therapy for diabetic bone defects. Thereinto, copper-decorated MXene (MC) nanosheets were employed as both functional crosslinkers and nanofillers to participate in the construction of an interpenetrating polymer network structure through multiple covalent and noncovalent bonds, which conferred the hydrogel with advantageous traits like enhanced mechanical properties, injectability and moldability, strong bone tissue adhesion and self-healing ability, as well as excellent anti-swelling and near-infrared (NIR) photothermal conversion capabilities. On account of the NIR/pH dual-responsive properties, the resulting hydrogel system was capable of achieving the controlled and stimuli-responsive release of bioactive Cu
, allowing on-demand delivery at the site of injury. Moreover, with the assistance of mild photothermal effects, this integrated hydrogel system demonstrated remarkable antibacterial and antioxidant properties. It effectively scavenged excessive reactive oxygen species (ROS), inhibited inflammatory responses, and promoted macrophage polarization towards the pro-healing M2 phenotype. Such characteristics were beneficial for recreating an optimized microenvironment that supported the adhesion, proliferation, migration, and differentiation of osteoblasts and endothelial cells, while concurrently inhibiting osteoclast function. In a critical-sized cranial defect model using diabetic rats, the injectable GAD/MC hydrogel system combined with on-demand mild hyperthermia further synergistically accelerated new bone formation and bone healing processes by eliminating intracellular ROS, |
doi_str_mv | 10.7150/thno.102779 |
format | Article |
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bone reconstruction and regeneration. However, the complicated and variable pathophysiological microenvironments of the injury sites under diabetic conditions, including the vicious cycle of oxidative stress and inflammatory response, impaired osteo/angiogenesis function and hyperactive osteoclastogenesis, as well as increased susceptibility to bacterial infection, may largely weaken the therapeutic potential of implanted scaffolds, leading to uncontrolled and poor outcomes of bone defect healing.
To tackle the aforementioned challenges, a mild photothermal-assisted multifunctional therapeutic platform (denoted as GAD/MC) that integrates copper-containing two-dimensional Ti
C
T
MXene nanosheets, gelatin methacrylate, and alginate-graft-dopamine was proposed to achieve efficient and synergistic therapy for diabetic bone defects. Thereinto, copper-decorated MXene (MC) nanosheets were employed as both functional crosslinkers and nanofillers to participate in the construction of an interpenetrating polymer network structure through multiple covalent and noncovalent bonds, which conferred the hydrogel with advantageous traits like enhanced mechanical properties, injectability and moldability, strong bone tissue adhesion and self-healing ability, as well as excellent anti-swelling and near-infrared (NIR) photothermal conversion capabilities. On account of the NIR/pH dual-responsive properties, the resulting hydrogel system was capable of achieving the controlled and stimuli-responsive release of bioactive Cu
, allowing on-demand delivery at the site of injury. Moreover, with the assistance of mild photothermal effects, this integrated hydrogel system demonstrated remarkable antibacterial and antioxidant properties. It effectively scavenged excessive reactive oxygen species (ROS), inhibited inflammatory responses, and promoted macrophage polarization towards the pro-healing M2 phenotype. Such characteristics were beneficial for recreating an optimized microenvironment that supported the adhesion, proliferation, migration, and differentiation of osteoblasts and endothelial cells, while concurrently inhibiting osteoclast function. In a critical-sized cranial defect model using diabetic rats, the injectable GAD/MC hydrogel system combined with on-demand mild hyperthermia further synergistically accelerated new bone formation and bone healing processes by eliminating intracellular ROS, ameliorating inflammation, orchestrating M2 macrophage polarization, promoting osteo/angiogenesis, and suppressing osteoclastogenesis.
Overall, the constructed multifunctional injectable hydrogel system has emerged as a promising therapeutic candidate for addressing complex bone-related challenges by remodeling the disordered immune microenvironment and expediting the bone healing process.</description><identifier>ISSN: 1838-7640</identifier><identifier>EISSN: 1838-7640</identifier><identifier>DOI: 10.7150/thno.102779</identifier><identifier>PMID: 39629118</identifier><language>eng</language><publisher>Australia: Ivyspring International Publisher</publisher><subject>Animals ; Bone Regeneration - drug effects ; Copper - administration & dosage ; Copper - chemistry ; Diabetes Mellitus, Experimental - therapy ; Hydrogels - chemistry ; Inflammation - therapy ; Male ; Mice ; Osteogenesis - drug effects ; Photothermal Therapy - methods ; Rats ; Rats, Sprague-Dawley ; Research Paper ; Tissue Scaffolds - chemistry ; Titanium - chemistry ; Wound Healing - drug effects</subject><ispartof>Theranostics, 2024-01, Vol.14 (18), p.7140-7198</ispartof><rights>The author(s).</rights><rights>The author(s) 2024</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC11610133/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC11610133/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,885,27924,27925,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/39629118$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhu, Yufan</creatorcontrib><creatorcontrib>Liu, Huifan</creatorcontrib><creatorcontrib>Wu, Ping</creatorcontrib><creatorcontrib>Chen, Yun</creatorcontrib><creatorcontrib>Deng, Zhouming</creatorcontrib><creatorcontrib>Cai, Lin</creatorcontrib><creatorcontrib>Wu, Minhao</creatorcontrib><title>Multifunctional injectable hydrogel system as a mild photothermal-assisted therapeutic platform for programmed regulation of inflammation and osteo-microenvironment for enhanced healing of diabetic bone defects in situ</title><title>Theranostics</title><addtitle>Theranostics</addtitle><description>Factor-free biomaterial scaffolds play an increasingly important role in promoting
bone reconstruction and regeneration. However, the complicated and variable pathophysiological microenvironments of the injury sites under diabetic conditions, including the vicious cycle of oxidative stress and inflammatory response, impaired osteo/angiogenesis function and hyperactive osteoclastogenesis, as well as increased susceptibility to bacterial infection, may largely weaken the therapeutic potential of implanted scaffolds, leading to uncontrolled and poor outcomes of bone defect healing.
To tackle the aforementioned challenges, a mild photothermal-assisted multifunctional therapeutic platform (denoted as GAD/MC) that integrates copper-containing two-dimensional Ti
C
T
MXene nanosheets, gelatin methacrylate, and alginate-graft-dopamine was proposed to achieve efficient and synergistic therapy for diabetic bone defects. Thereinto, copper-decorated MXene (MC) nanosheets were employed as both functional crosslinkers and nanofillers to participate in the construction of an interpenetrating polymer network structure through multiple covalent and noncovalent bonds, which conferred the hydrogel with advantageous traits like enhanced mechanical properties, injectability and moldability, strong bone tissue adhesion and self-healing ability, as well as excellent anti-swelling and near-infrared (NIR) photothermal conversion capabilities. On account of the NIR/pH dual-responsive properties, the resulting hydrogel system was capable of achieving the controlled and stimuli-responsive release of bioactive Cu
, allowing on-demand delivery at the site of injury. Moreover, with the assistance of mild photothermal effects, this integrated hydrogel system demonstrated remarkable antibacterial and antioxidant properties. It effectively scavenged excessive reactive oxygen species (ROS), inhibited inflammatory responses, and promoted macrophage polarization towards the pro-healing M2 phenotype. Such characteristics were beneficial for recreating an optimized microenvironment that supported the adhesion, proliferation, migration, and differentiation of osteoblasts and endothelial cells, while concurrently inhibiting osteoclast function. In a critical-sized cranial defect model using diabetic rats, the injectable GAD/MC hydrogel system combined with on-demand mild hyperthermia further synergistically accelerated new bone formation and bone healing processes by eliminating intracellular ROS, ameliorating inflammation, orchestrating M2 macrophage polarization, promoting osteo/angiogenesis, and suppressing osteoclastogenesis.
Overall, the constructed multifunctional injectable hydrogel system has emerged as a promising therapeutic candidate for addressing complex bone-related challenges by remodeling the disordered immune microenvironment and expediting the bone healing process.</description><subject>Animals</subject><subject>Bone Regeneration - drug effects</subject><subject>Copper - administration & dosage</subject><subject>Copper - chemistry</subject><subject>Diabetes Mellitus, Experimental - therapy</subject><subject>Hydrogels - chemistry</subject><subject>Inflammation - therapy</subject><subject>Male</subject><subject>Mice</subject><subject>Osteogenesis - drug effects</subject><subject>Photothermal Therapy - methods</subject><subject>Rats</subject><subject>Rats, Sprague-Dawley</subject><subject>Research Paper</subject><subject>Tissue Scaffolds - chemistry</subject><subject>Titanium - chemistry</subject><subject>Wound Healing - drug effects</subject><issn>1838-7640</issn><issn>1838-7640</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpVUk1vFSEUJUZjm2dX7g1LEzMVhvlgVsY01ZrUuNH1hIHLGxoGRmCavL_aX-N9vtpUFnC593DOAS4hbzm77HnLPpY5xEvO6r4fXpBzLoWs-q5hL5_FZ-Qi5zuGo2H1wIfX5EwMHUZcnpOH75svzm5BFxeD8tSFO9BFTR7ofDAp7sHTfMgFFqoyVXRx3tB1jiWWGdKifKVydlg39JhQK2zFabp6VWxMC8WJrkiT1LIgJsF-wxJq0WhRzHrMn_YqGBqRKFaL0ylCuHcphgVC-UsCYVZBI8UMyruwP543Tk1wlJtiAGrAovWMrDS7sr0hr6zyGS4e1x359eX659VNdfvj67erz7eV5rLpqnqqm1qaRrddq1rTWDCDbGXNBMc8yF5OWllmWVdLIYa-4R0ThjFo8YWF1WJHPp14123CK2o0nJQf1-QWlQ5jVG78vxLcPO7j_ch5xxkXAhnePzKk-HuDXMbFZQ3eqwBxyyM6YUM9NCi8Ix9OUHyhnBPYJx3OxmNHjMeOGE8dgeh3z609Yf_9v_gDL6q5fg</recordid><startdate>20240101</startdate><enddate>20240101</enddate><creator>Zhu, Yufan</creator><creator>Liu, Huifan</creator><creator>Wu, Ping</creator><creator>Chen, Yun</creator><creator>Deng, Zhouming</creator><creator>Cai, Lin</creator><creator>Wu, Minhao</creator><general>Ivyspring International Publisher</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><scope>5PM</scope></search><sort><creationdate>20240101</creationdate><title>Multifunctional injectable hydrogel system as a mild photothermal-assisted therapeutic platform for programmed regulation of inflammation and osteo-microenvironment for enhanced healing of diabetic bone defects in situ</title><author>Zhu, Yufan ; Liu, Huifan ; Wu, Ping ; Chen, Yun ; Deng, Zhouming ; Cai, Lin ; Wu, Minhao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1846-2b2428d4c565a5d4fed98582031428e878bcaf0f0628339741603d00e51833fc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Animals</topic><topic>Bone Regeneration - drug effects</topic><topic>Copper - administration & dosage</topic><topic>Copper - chemistry</topic><topic>Diabetes Mellitus, Experimental - therapy</topic><topic>Hydrogels - chemistry</topic><topic>Inflammation - therapy</topic><topic>Male</topic><topic>Mice</topic><topic>Osteogenesis - drug effects</topic><topic>Photothermal Therapy - methods</topic><topic>Rats</topic><topic>Rats, Sprague-Dawley</topic><topic>Research Paper</topic><topic>Tissue Scaffolds - chemistry</topic><topic>Titanium - chemistry</topic><topic>Wound Healing - drug effects</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhu, Yufan</creatorcontrib><creatorcontrib>Liu, Huifan</creatorcontrib><creatorcontrib>Wu, Ping</creatorcontrib><creatorcontrib>Chen, Yun</creatorcontrib><creatorcontrib>Deng, Zhouming</creatorcontrib><creatorcontrib>Cai, Lin</creatorcontrib><creatorcontrib>Wu, Minhao</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><collection>PubMed Central (Full Participant titles)</collection><jtitle>Theranostics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhu, Yufan</au><au>Liu, Huifan</au><au>Wu, Ping</au><au>Chen, Yun</au><au>Deng, Zhouming</au><au>Cai, Lin</au><au>Wu, Minhao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Multifunctional injectable hydrogel system as a mild photothermal-assisted therapeutic platform for programmed regulation of inflammation and osteo-microenvironment for enhanced healing of diabetic bone defects in situ</atitle><jtitle>Theranostics</jtitle><addtitle>Theranostics</addtitle><date>2024-01-01</date><risdate>2024</risdate><volume>14</volume><issue>18</issue><spage>7140</spage><epage>7198</epage><pages>7140-7198</pages><issn>1838-7640</issn><eissn>1838-7640</eissn><abstract>Factor-free biomaterial scaffolds play an increasingly important role in promoting
bone reconstruction and regeneration. However, the complicated and variable pathophysiological microenvironments of the injury sites under diabetic conditions, including the vicious cycle of oxidative stress and inflammatory response, impaired osteo/angiogenesis function and hyperactive osteoclastogenesis, as well as increased susceptibility to bacterial infection, may largely weaken the therapeutic potential of implanted scaffolds, leading to uncontrolled and poor outcomes of bone defect healing.
To tackle the aforementioned challenges, a mild photothermal-assisted multifunctional therapeutic platform (denoted as GAD/MC) that integrates copper-containing two-dimensional Ti
C
T
MXene nanosheets, gelatin methacrylate, and alginate-graft-dopamine was proposed to achieve efficient and synergistic therapy for diabetic bone defects. Thereinto, copper-decorated MXene (MC) nanosheets were employed as both functional crosslinkers and nanofillers to participate in the construction of an interpenetrating polymer network structure through multiple covalent and noncovalent bonds, which conferred the hydrogel with advantageous traits like enhanced mechanical properties, injectability and moldability, strong bone tissue adhesion and self-healing ability, as well as excellent anti-swelling and near-infrared (NIR) photothermal conversion capabilities. On account of the NIR/pH dual-responsive properties, the resulting hydrogel system was capable of achieving the controlled and stimuli-responsive release of bioactive Cu
, allowing on-demand delivery at the site of injury. Moreover, with the assistance of mild photothermal effects, this integrated hydrogel system demonstrated remarkable antibacterial and antioxidant properties. It effectively scavenged excessive reactive oxygen species (ROS), inhibited inflammatory responses, and promoted macrophage polarization towards the pro-healing M2 phenotype. Such characteristics were beneficial for recreating an optimized microenvironment that supported the adhesion, proliferation, migration, and differentiation of osteoblasts and endothelial cells, while concurrently inhibiting osteoclast function. In a critical-sized cranial defect model using diabetic rats, the injectable GAD/MC hydrogel system combined with on-demand mild hyperthermia further synergistically accelerated new bone formation and bone healing processes by eliminating intracellular ROS, ameliorating inflammation, orchestrating M2 macrophage polarization, promoting osteo/angiogenesis, and suppressing osteoclastogenesis.
Overall, the constructed multifunctional injectable hydrogel system has emerged as a promising therapeutic candidate for addressing complex bone-related challenges by remodeling the disordered immune microenvironment and expediting the bone healing process.</abstract><cop>Australia</cop><pub>Ivyspring International Publisher</pub><pmid>39629118</pmid><doi>10.7150/thno.102779</doi><tpages>59</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Animals Bone Regeneration - drug effects Copper - administration & dosage Copper - chemistry Diabetes Mellitus, Experimental - therapy Hydrogels - chemistry Inflammation - therapy Male Mice Osteogenesis - drug effects Photothermal Therapy - methods Rats Rats, Sprague-Dawley Research Paper Tissue Scaffolds - chemistry Titanium - chemistry Wound Healing - drug effects |
title | Multifunctional injectable hydrogel system as a mild photothermal-assisted therapeutic platform for programmed regulation of inflammation and osteo-microenvironment for enhanced healing of diabetic bone defects in situ |
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