Temporal characterization of hyaluronidases after peripheral nerve injury

Hyaluronic acid (HA) is ubiquitously found in biological tissues and mediates wound healing mechanisms after injury by promoting cell migration and proliferation. With the development of tissue-engineered neural therapeutics, including off-the-shelf grafts for peripheral nerve repair, HA is an attra...

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Main Authors: Mary M. Kasper, Bret Ellenbogen, Yuan Li, Christine E. Schmidt
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2023-01-01
Series:PLoS ONE
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10449126/?tool=EBI
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author Mary M. Kasper
Bret Ellenbogen
Yuan Li
Christine E. Schmidt
author_facet Mary M. Kasper
Bret Ellenbogen
Yuan Li
Christine E. Schmidt
author_sort Mary M. Kasper
collection DOAJ
description Hyaluronic acid (HA) is ubiquitously found in biological tissues and mediates wound healing mechanisms after injury by promoting cell migration and proliferation. With the development of tissue-engineered neural therapeutics, including off-the-shelf grafts for peripheral nerve repair, HA is an attractive material for clinical use because of its various biological roles. HA-based biomaterials have been carefully engineered to elicit specific in vivo host responses, however an important design feature that should be considered in these scaffolds is endogenous degradation. Hyaluronidases (HYALs) are the complementary enzymes that are responsible for HA turnover. Although HYAL expression has been widely characterized in various tissues, including the central nervous system, and for different pathologies, there remains a lack of knowledge of HYAL mediated turnover in peripheral nerve tissue. In this work, gene expression of two hyaluronidases, HYAL1 and HYAL2, and HA-binding receptor, CD44, were studied in two injury models: rat sciatic nerve crush and critical gap transection. HYAL2 and CD44 were shown to be upregulated 3 days after crush injury, whereas HYAL1 was upregulated at 3 weeks, which collectively demonstrate temporal patterning of HA breakdown. Additionally, differences were observed between HYAL and HA expression at 3 weeks when compared for both nerve injury models. The activity of HYAL in peripheral nerve tissue was determined to be approximately 0.11 μmol/min, which could be used to further model HA-based biomaterial breakdown for peripheral nerve applications. Overall, this work provides a landscape of HA turnover in peripheral nerve that can be used for future neural applications.
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spelling doaj.art-ab644070001f4b4ba22334fb545e47132023-08-27T05:32:09ZengPublic Library of Science (PLoS)PLoS ONE1932-62032023-01-01188Temporal characterization of hyaluronidases after peripheral nerve injuryMary M. KasperBret EllenbogenYuan LiChristine E. SchmidtHyaluronic acid (HA) is ubiquitously found in biological tissues and mediates wound healing mechanisms after injury by promoting cell migration and proliferation. With the development of tissue-engineered neural therapeutics, including off-the-shelf grafts for peripheral nerve repair, HA is an attractive material for clinical use because of its various biological roles. HA-based biomaterials have been carefully engineered to elicit specific in vivo host responses, however an important design feature that should be considered in these scaffolds is endogenous degradation. Hyaluronidases (HYALs) are the complementary enzymes that are responsible for HA turnover. Although HYAL expression has been widely characterized in various tissues, including the central nervous system, and for different pathologies, there remains a lack of knowledge of HYAL mediated turnover in peripheral nerve tissue. In this work, gene expression of two hyaluronidases, HYAL1 and HYAL2, and HA-binding receptor, CD44, were studied in two injury models: rat sciatic nerve crush and critical gap transection. HYAL2 and CD44 were shown to be upregulated 3 days after crush injury, whereas HYAL1 was upregulated at 3 weeks, which collectively demonstrate temporal patterning of HA breakdown. Additionally, differences were observed between HYAL and HA expression at 3 weeks when compared for both nerve injury models. The activity of HYAL in peripheral nerve tissue was determined to be approximately 0.11 μmol/min, which could be used to further model HA-based biomaterial breakdown for peripheral nerve applications. Overall, this work provides a landscape of HA turnover in peripheral nerve that can be used for future neural applications.https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10449126/?tool=EBI
spellingShingle Mary M. Kasper
Bret Ellenbogen
Yuan Li
Christine E. Schmidt
Temporal characterization of hyaluronidases after peripheral nerve injury
PLoS ONE
title Temporal characterization of hyaluronidases after peripheral nerve injury
title_full Temporal characterization of hyaluronidases after peripheral nerve injury
title_fullStr Temporal characterization of hyaluronidases after peripheral nerve injury
title_full_unstemmed Temporal characterization of hyaluronidases after peripheral nerve injury
title_short Temporal characterization of hyaluronidases after peripheral nerve injury
title_sort temporal characterization of hyaluronidases after peripheral nerve injury
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10449126/?tool=EBI
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AT yuanli temporalcharacterizationofhyaluronidasesafterperipheralnerveinjury
AT christineeschmidt temporalcharacterizationofhyaluronidasesafterperipheralnerveinjury