Pre-Clinical In Vitro Models Used in Cancer Research: Results of a Worldwide Survey

To develop and subsequently get cancer researchers to use organotypic three-dimensional (3D) models that can recapitulate the complexity of human in vivo tumors in an in vitro setting, it is important to establish what in vitro model(s) researchers are currently using and the reasons why. Thus, we d...

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Main Authors: Sarai Martinez-Pacheco, Lorraine O’Driscoll
Format: Article
Language:English
Published: MDPI AG 2021-11-01
Series:Cancers
Subjects:
Online Access:https://www.mdpi.com/2072-6694/13/23/6033
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author Sarai Martinez-Pacheco
Lorraine O’Driscoll
author_facet Sarai Martinez-Pacheco
Lorraine O’Driscoll
author_sort Sarai Martinez-Pacheco
collection DOAJ
description To develop and subsequently get cancer researchers to use organotypic three-dimensional (3D) models that can recapitulate the complexity of human in vivo tumors in an in vitro setting, it is important to establish what in vitro model(s) researchers are currently using and the reasons why. Thus, we developed a survey on this topic, obtained ethics approval, and circulated it throughout the world. The survey was completed by 101 researchers, across all career stages, in academia, clinical or industry settings. It included 40 questions, many with multiple options. Respondents reported on their field of cancer research; type of cancers studied; use of two-dimensional (2D)/monolayer, 2.5D and/or 3D cultures; if using co-cultures, the cell types(s) they co-culture; if using 3D cultures, whether these involve culturing the cells in a particular way to generate spheroids, or if they use additional supports/scaffolds; techniques used to analyze the 2D/2.5D/3D; and their downstream applications. Most researchers (>66%) only use 2D cultures, mainly due to lack of experience and costs. Despite most cancer researchers currently not using the 3D format, >80% recognize their importance and would like to progress to using 3D models. This suggests an urgent need to standardize reliable, robust, reproducible methods for establishing cost-effective 3D cell culture models and their subsequent characterization.
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spelling doaj.art-b18b1ff338ae41fdbef108c687b09fc52023-11-23T02:13:25ZengMDPI AGCancers2072-66942021-11-011323603310.3390/cancers13236033Pre-Clinical In Vitro Models Used in Cancer Research: Results of a Worldwide SurveySarai Martinez-Pacheco0Lorraine O’Driscoll1School of Pharmacy and Pharmaceutical Sciences, Panoz Institute, Trinity College Dublin, D02 PN40 Dublin, IrelandSchool of Pharmacy and Pharmaceutical Sciences, Panoz Institute, Trinity College Dublin, D02 PN40 Dublin, IrelandTo develop and subsequently get cancer researchers to use organotypic three-dimensional (3D) models that can recapitulate the complexity of human in vivo tumors in an in vitro setting, it is important to establish what in vitro model(s) researchers are currently using and the reasons why. Thus, we developed a survey on this topic, obtained ethics approval, and circulated it throughout the world. The survey was completed by 101 researchers, across all career stages, in academia, clinical or industry settings. It included 40 questions, many with multiple options. Respondents reported on their field of cancer research; type of cancers studied; use of two-dimensional (2D)/monolayer, 2.5D and/or 3D cultures; if using co-cultures, the cell types(s) they co-culture; if using 3D cultures, whether these involve culturing the cells in a particular way to generate spheroids, or if they use additional supports/scaffolds; techniques used to analyze the 2D/2.5D/3D; and their downstream applications. Most researchers (>66%) only use 2D cultures, mainly due to lack of experience and costs. Despite most cancer researchers currently not using the 3D format, >80% recognize their importance and would like to progress to using 3D models. This suggests an urgent need to standardize reliable, robust, reproducible methods for establishing cost-effective 3D cell culture models and their subsequent characterization.https://www.mdpi.com/2072-6694/13/23/6033cancerin vitro models3D culture3Rsmethodologysurvey
spellingShingle Sarai Martinez-Pacheco
Lorraine O’Driscoll
Pre-Clinical In Vitro Models Used in Cancer Research: Results of a Worldwide Survey
Cancers
cancer
in vitro models
3D culture
3Rs
methodology
survey
title Pre-Clinical In Vitro Models Used in Cancer Research: Results of a Worldwide Survey
title_full Pre-Clinical In Vitro Models Used in Cancer Research: Results of a Worldwide Survey
title_fullStr Pre-Clinical In Vitro Models Used in Cancer Research: Results of a Worldwide Survey
title_full_unstemmed Pre-Clinical In Vitro Models Used in Cancer Research: Results of a Worldwide Survey
title_short Pre-Clinical In Vitro Models Used in Cancer Research: Results of a Worldwide Survey
title_sort pre clinical in vitro models used in cancer research results of a worldwide survey
topic cancer
in vitro models
3D culture
3Rs
methodology
survey
url https://www.mdpi.com/2072-6694/13/23/6033
work_keys_str_mv AT saraimartinezpacheco preclinicalinvitromodelsusedincancerresearchresultsofaworldwidesurvey
AT lorraineodriscoll preclinicalinvitromodelsusedincancerresearchresultsofaworldwidesurvey