NDLI: Autotaxin May Have Lysophosphatidic Acid-Unrelated Effects on Three-Dimension (3D) Cultured Human Trabecular Meshwork (HTM) Cells

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Autotaxin May Have Lysophosphatidic Acid-Unrelated Effects on Three-Dimension (3D) Cultured Human Trabecular Meshwork (HTM) Cells

Content Provider	MDPI
Author	Watanabe, Megumi Furuhashi, Masato Tsugeno, Yuri Ida, Yosuke Hikage, Fumihito Ohguro, Hiroshi
Copyright Year	2021
Description	Purpose: The objective of the current study was to evaluate the effects of the autotaxin (ATX)–lysophosphatidic acid (LPA) signaling axis on the human trabecular meshwork (HTM) in two-dimensional (2D) and three-dimensional (3D) cultures of HTM cells. Methods: The effects were characterized by transendothelial electrical resistance (TEER) and FITC-dextran permeability (2D), measurements of size and stiffness (3D), and the expression of several genes, including extracellular matrix (ECM) molecules, their modulators, and endoplasmic reticulum (ER) stress-related factors. Results: A one-day exposure to 200 nM LPA induced significant down-sizing effects of the 3D HTM spheroids, and these effects were enhanced slightly on longer exposure. The TEER and FITC-dextran permeability data indicate that LPA induced an increase in the barrier function of the 2D HTM monolayers. A one-day exposure to a 2 mg/L solution of ATX also resulted in a significant decrease in the sizes of the 3D HTM spheroids, and an increase in stiffness was also observed. The gene expression of several ECMs, their regulators and ER-stress related factors by the 3D HTM spheroids were altered by both ATX and LPA, but in different manners. Conclusions: The findings presented herein suggest that ATX may have additional roles in the human TM, in addition to the ATX–LPA signaling axis.
Starting Page	12039
e-ISSN	14220067
DOI	10.3390/ijms222112039
Journal	International Journal of Molecular Sciences
Issue Number	21
Volume Number	22
Language	English
Publisher	MDPI
Publisher Date	2021-11-07
Access Restriction	Open
Subject Keyword	International Journal of Molecular Sciences Oncology 3d Spheroid Culture Human Trabecular Meshwork (htm) Autotaxin Lysophosphatidic Acid
Content Type	Text
Resource Type	Article

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