Modification of tubular chitosan-based peripheral nerve implants: applications for simple or more complex approaches

Surgical treatment of peripheral nerve injuries is still a major challenge in human clinic. Up to now, none of the well-developed microsurgical treatment options is able to guarantee a complete restoration of nerve function. This restriction is also effective for novel clinically approved artificial...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Nina Dietzmeyer [verfasserIn] Maria Förthmann [verfasserIn] Claudia Grothe [verfasserIn] Kirsten Haastert-Talini [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	bioartificial nerve graft; biological nerve graft; cell transplantation; cellular products; luminal structures; peripheral nerve repair

Übergeordnetes Werk:	In: Neural Regeneration Research - Wolters Kluwer Medknow Publications, 2014, 15(2020), 8, Seite 1421-1431
Übergeordnetes Werk:	volume:15 ; year:2020 ; number:8 ; pages:1421-1431

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.4103/1673-5374.271668

Katalog-ID:	DOAJ027928314

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callnumber-first	R - Medicine
author	Nina Dietzmeyer
spellingShingle	Nina Dietzmeyer misc RC346-429 misc bioartificial nerve graft; biological nerve graft; cell transplantation; cellular products; luminal structures; peripheral nerve repair misc Neurology. Diseases of the nervous system Modification of tubular chitosan-based peripheral nerve implants: applications for simple or more complex approaches
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topic_title	RC346-429 Modification of tubular chitosan-based peripheral nerve implants: applications for simple or more complex approaches bioartificial nerve graft; biological nerve graft; cell transplantation; cellular products; luminal structures; peripheral nerve repair
topic	misc RC346-429 misc bioartificial nerve graft; biological nerve graft; cell transplantation; cellular products; luminal structures; peripheral nerve repair misc Neurology. Diseases of the nervous system
topic_unstemmed	misc RC346-429 misc bioartificial nerve graft; biological nerve graft; cell transplantation; cellular products; luminal structures; peripheral nerve repair misc Neurology. Diseases of the nervous system
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title	Modification of tubular chitosan-based peripheral nerve implants: applications for simple or more complex approaches
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title_full	Modification of tubular chitosan-based peripheral nerve implants: applications for simple or more complex approaches
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title_sort	modification of tubular chitosan-based peripheral nerve implants: applications for simple or more complex approaches
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title_auth	Modification of tubular chitosan-based peripheral nerve implants: applications for simple or more complex approaches
abstract	Surgical treatment of peripheral nerve injuries is still a major challenge in human clinic. Up to now, none of the well-developed microsurgical treatment options is able to guarantee a complete restoration of nerve function. This restriction is also effective for novel clinically approved artificial nerve guides. In this review, we compare surgical repair techniques primarily for digital nerve injuries reported with relatively high prevalence to be valuable attempts in clinical digital nerve repair and point out their advantages and shortcomings. We furthermore discuss the use of artificial nerve grafts with a focus on chitosan-based nerve guides, for which our own studies contributed to their approval for clinical use. In the second part of this review, very recent future perspectives for the enhancement of tubular (commonly hollow) nerve guides are discussed in terms of their clinical translatability and ability to form three-dimensional constructs that biomimick the natural nerve structure. This includes materials that have already shown their beneficial potential in in vivo studies like fibrous intraluminal guidance structures, hydrogels, growth factors, and approaches of cell transplantation. Additionally, we highlight upcoming future perspectives comprising co-application of stem cell secretome. From our overview, we conclude that already simple attempts are highly effective to increase the regeneration supporting properties of nerve guides in experimental studies. But for bringing nerve repair with bioartificial nerve grafts to the next level, e.g. repair of defects < 3 cm in human patients, more complex intraluminal guidance structures such as innovatively manufactured hydrogels and likely supplementation of stem cells or their secretome for therapeutic purposes may represent promising future perspectives.
abstractGer	Surgical treatment of peripheral nerve injuries is still a major challenge in human clinic. Up to now, none of the well-developed microsurgical treatment options is able to guarantee a complete restoration of nerve function. This restriction is also effective for novel clinically approved artificial nerve guides. In this review, we compare surgical repair techniques primarily for digital nerve injuries reported with relatively high prevalence to be valuable attempts in clinical digital nerve repair and point out their advantages and shortcomings. We furthermore discuss the use of artificial nerve grafts with a focus on chitosan-based nerve guides, for which our own studies contributed to their approval for clinical use. In the second part of this review, very recent future perspectives for the enhancement of tubular (commonly hollow) nerve guides are discussed in terms of their clinical translatability and ability to form three-dimensional constructs that biomimick the natural nerve structure. This includes materials that have already shown their beneficial potential in in vivo studies like fibrous intraluminal guidance structures, hydrogels, growth factors, and approaches of cell transplantation. Additionally, we highlight upcoming future perspectives comprising co-application of stem cell secretome. From our overview, we conclude that already simple attempts are highly effective to increase the regeneration supporting properties of nerve guides in experimental studies. But for bringing nerve repair with bioartificial nerve grafts to the next level, e.g. repair of defects < 3 cm in human patients, more complex intraluminal guidance structures such as innovatively manufactured hydrogels and likely supplementation of stem cells or their secretome for therapeutic purposes may represent promising future perspectives.
abstract_unstemmed	Surgical treatment of peripheral nerve injuries is still a major challenge in human clinic. Up to now, none of the well-developed microsurgical treatment options is able to guarantee a complete restoration of nerve function. This restriction is also effective for novel clinically approved artificial nerve guides. In this review, we compare surgical repair techniques primarily for digital nerve injuries reported with relatively high prevalence to be valuable attempts in clinical digital nerve repair and point out their advantages and shortcomings. We furthermore discuss the use of artificial nerve grafts with a focus on chitosan-based nerve guides, for which our own studies contributed to their approval for clinical use. In the second part of this review, very recent future perspectives for the enhancement of tubular (commonly hollow) nerve guides are discussed in terms of their clinical translatability and ability to form three-dimensional constructs that biomimick the natural nerve structure. This includes materials that have already shown their beneficial potential in in vivo studies like fibrous intraluminal guidance structures, hydrogels, growth factors, and approaches of cell transplantation. Additionally, we highlight upcoming future perspectives comprising co-application of stem cell secretome. From our overview, we conclude that already simple attempts are highly effective to increase the regeneration supporting properties of nerve guides in experimental studies. But for bringing nerve repair with bioartificial nerve grafts to the next level, e.g. repair of defects < 3 cm in human patients, more complex intraluminal guidance structures such as innovatively manufactured hydrogels and likely supplementation of stem cells or their secretome for therapeutic purposes may represent promising future perspectives.
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title_short	Modification of tubular chitosan-based peripheral nerve implants: applications for simple or more complex approaches
url	https://doi.org/10.4103/1673-5374.271668 https://doaj.org/article/043d40e9d6f4470390e7de5d63d87698 http://www.nrronline.org/article.asp?issn=1673-5374;year=2020;volume=15;issue=8;spage=1421;epage=1431;aulast=Dietzmeyer https://doaj.org/toc/1673-5374
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