ORIGINAL RESEARCH article
Front. Bioeng. Biotechnol.
Sec. Biofabrication
Volume 13 - 2025 | doi: 10.3389/fbioe.2025.1657107
A multimodal microfluidic-based platform integrating topographical and equibiaxial mechanical cues for next-generation in vitro cell microenvironment mimicking
Provisionally accepted- 1Universita degli Studi di Napoli Federico II Dipartimento di Ingegneria Chimica dei Materiali e della Produzione Industriale, Naples, Italy
- 2Istituto Italiano di Tecnologia Center for Advanced Biomaterials for Healthcare, Naples, Italy
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The cellular microenvironment is a powerful regulator of cell state and function. Both biochemical and morphophysical environmental cues have been shown to profoundly influence cellular decisions. However, the fundamental principles governing the intricate crosstalk between microenvironmental manipulation and the modulation of cell functions remain largely elusive. To unravel the regulatory role of the microenvironment in determining cellular fate and state, it is essential to develop tools capable of precisely presenting and integrating these signals. In this context, we propose a next-generation cell culture system that synergistically combines microfluidic and biomechanical platforms. This system is designed to systematically deliver microenvironmental stimuli to condition cell state. As a notable use case, we selected cardiomyocytes (CMs) given the well-documented influence of biochemical and morphophysical cues on cardiac tissue homeostasis. The platform features a multilayer design integrating complex mechanical stimulation, such as equibiaxial strain, on a deformable membrane equipped with microchannels for nutrient delivery. A radial micropatterning was fabricated on the membrane to guide cell alignment along the direction of stretching, thereby homogenizing cellular response. The functionality of the device was first validated through COMSOL simulations and subsequently experimentally tested to confirm the interplay between equibiaxial mechanical stimulation and fluid flow. When HL-1 rat atrial CMs were seeded on the platform, they proliferated, aligned with the micropattern, and exhibited persistent migration along direction under equibiaxial deformation. These findings demonstrate that combining microenvironmental signals is critical for enhancing cellular activity and underscore the importance of accurately replicating the cell microenvironment in lab-on-chip applications.
Keywords: microenvironment, lab-on-a-chip, Microfluidics, Biomechanics, cardiomyocytes
Received: 30 Jun 2025; Accepted: 24 Sep 2025.
Copyright: © 2025 Pagliara, Vecchione, Mollo and Netti. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Raffaele Vecchione, raffaele.vecchione@iit.it
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