Application of Transmural Flow Across In Vitro Microvasculature Enables Direct Sampling of Interstitial Therapeutic Molecule Distribution

In vitro prediction of physiologically relevant transport of therapeutic molecules across the microcirculation represents an intriguing opportunity to predict efficacy in human populations. On-chip microvascular networks (MVNs) show physiologically relevant values of molecular permeability, yet like...

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Main Authors: Offeddu, Giovanni, Possenti, Luca, Loessberg‐Zahl, Joshua T, Zunino, Paolo, Roberts, John, Han, Xiaogang, Hickman, Dean, Knutson, Charles G, Kamm, Roger Dale
Other Authors: Massachusetts Institute of Technology. Department of Biological Engineering
Format: Article
Language:English
Published: Wiley 2020
Online Access:https://hdl.handle.net/1721.1/128270
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author Offeddu, Giovanni
Possenti, Luca
Loessberg‐Zahl, Joshua T
Zunino, Paolo
Roberts, John
Han, Xiaogang
Hickman, Dean
Knutson, Charles G
Kamm, Roger Dale
author2 Massachusetts Institute of Technology. Department of Biological Engineering
author_facet Massachusetts Institute of Technology. Department of Biological Engineering
Offeddu, Giovanni
Possenti, Luca
Loessberg‐Zahl, Joshua T
Zunino, Paolo
Roberts, John
Han, Xiaogang
Hickman, Dean
Knutson, Charles G
Kamm, Roger Dale
author_sort Offeddu, Giovanni
collection MIT
description In vitro prediction of physiologically relevant transport of therapeutic molecules across the microcirculation represents an intriguing opportunity to predict efficacy in human populations. On-chip microvascular networks (MVNs) show physiologically relevant values of molecular permeability, yet like most systems, they lack an important contribution to transport: the ever-present fluid convection through the endothelium. Quantification of transport through the MVNs by current methods also requires confocal imaging and advanced analytical techniques, which can be a bottleneck in industry and academic laboratories. Here, it is shown that by recapitulating physiological transmural flow across the MVNs, the concentration of small and large molecule therapeutics can be directly sampled in the interstitial fluid and analyzed using standard analytical techniques. The magnitudes of transport measured in MVNs reveal trends with molecular size and type (protein versus nonprotein) that are expected in vivo, supporting the use of the MVNs platform as an in vitro tool to predict distribution of therapeutics in vivo.
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spelling mit-1721.1/1282702022-09-30T20:00:20Z Application of Transmural Flow Across In Vitro Microvasculature Enables Direct Sampling of Interstitial Therapeutic Molecule Distribution Offeddu, Giovanni Possenti, Luca Loessberg‐Zahl, Joshua T Zunino, Paolo Roberts, John Han, Xiaogang Hickman, Dean Knutson, Charles G Kamm, Roger Dale Massachusetts Institute of Technology. Department of Biological Engineering In vitro prediction of physiologically relevant transport of therapeutic molecules across the microcirculation represents an intriguing opportunity to predict efficacy in human populations. On-chip microvascular networks (MVNs) show physiologically relevant values of molecular permeability, yet like most systems, they lack an important contribution to transport: the ever-present fluid convection through the endothelium. Quantification of transport through the MVNs by current methods also requires confocal imaging and advanced analytical techniques, which can be a bottleneck in industry and academic laboratories. Here, it is shown that by recapitulating physiological transmural flow across the MVNs, the concentration of small and large molecule therapeutics can be directly sampled in the interstitial fluid and analyzed using standard analytical techniques. The magnitudes of transport measured in MVNs reveal trends with molecular size and type (protein versus nonprotein) that are expected in vivo, supporting the use of the MVNs platform as an in vitro tool to predict distribution of therapeutics in vivo. 2020-10-30T15:19:59Z 2020-10-30T15:19:59Z 2019-09 2019-08 2020-10-28T18:10:23Z Article http://purl.org/eprint/type/JournalArticle https://hdl.handle.net/1721.1/128270 Offeddu, Giovanni et al. "Application of Transmural Flow Across In Vitro Microvasculature Enables Direct Sampling of Interstitial Therapeutic Molecule Distribution." Small 15, 46 (November 2019): 1902393 © 2019 Wiley en http://dx.doi.org/10.1002/SMLL.201902393 Small Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/ application/pdf Wiley Prof. Kamm via Elizabeth Soergel
spellingShingle Offeddu, Giovanni
Possenti, Luca
Loessberg‐Zahl, Joshua T
Zunino, Paolo
Roberts, John
Han, Xiaogang
Hickman, Dean
Knutson, Charles G
Kamm, Roger Dale
Application of Transmural Flow Across In Vitro Microvasculature Enables Direct Sampling of Interstitial Therapeutic Molecule Distribution
title Application of Transmural Flow Across In Vitro Microvasculature Enables Direct Sampling of Interstitial Therapeutic Molecule Distribution
title_full Application of Transmural Flow Across In Vitro Microvasculature Enables Direct Sampling of Interstitial Therapeutic Molecule Distribution
title_fullStr Application of Transmural Flow Across In Vitro Microvasculature Enables Direct Sampling of Interstitial Therapeutic Molecule Distribution
title_full_unstemmed Application of Transmural Flow Across In Vitro Microvasculature Enables Direct Sampling of Interstitial Therapeutic Molecule Distribution
title_short Application of Transmural Flow Across In Vitro Microvasculature Enables Direct Sampling of Interstitial Therapeutic Molecule Distribution
title_sort application of transmural flow across in vitro microvasculature enables direct sampling of interstitial therapeutic molecule distribution
url https://hdl.handle.net/1721.1/128270
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