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Keywords = conotruncal cardiopathies

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13 pages, 1205 KiB  
Article
Morphological Alterations of Conal Ridges and Differential Expression of AP2α in the Offspring Hearts of Experimental Diabetic Rats
by Tania Cristina Ramírez-Fuentes, Ricardo Jaime-Cruz, Carlos César Patiño-Morales, Laura Villavicencio-Guzmán, Juan Carlos Corona, María Cristina Revilla-Monsalve, Rosa Adriana Jarillo-Luna and Marcela Salazar-García
Int. J. Mol. Sci. 2025, 26(11), 5061; https://doi.org/10.3390/ijms26115061 - 24 May 2025
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Abstract
Neural crest cells (NCCs) play a significant role in the development of ventricular outflow tracts (OFTs), and cardiac neural crest cells (cNCCs) are involved in the development of the embryonic conus, suggesting that these cell lineages may be a teratogenic target for the [...] Read more.
Neural crest cells (NCCs) play a significant role in the development of ventricular outflow tracts (OFTs), and cardiac neural crest cells (cNCCs) are involved in the development of the embryonic conus, suggesting that these cell lineages may be a teratogenic target for the development of cardiopathies in offspring conceived under a hyperglycemic environment. We evaluate the effect of the hyperglycemic intrauterine environment on the morphological and anatomical changes in the conal ridges along with the alterations in the spatiotemporal expression of AP2α in offspring hearts at 13, 15, and 17 DPC. The anatomical and histological analysis of the hearts in the experimental group presented smaller dimensions compared to the control group in the offspring at the three ages studied. Consequently, this resulted in a hyperglycemic environment that altered the immunostaining of AP2α in the hearts of the offspring at the three ages studied. Thus, the hyperglycemic intrauterine environment in offspring caused important morphological alterations in the development of conal ridges and promoted the generation of conotruncal heart defects in which the double outlet of the right ventricle, the atrioventricular (AV) canal, predominated. Therefore, knowing that exposing the offspring to more glucose potentially can lead to complications during organogenesis of the circulatory and central nervous systems. Full article
(This article belongs to the Special Issue Molecular Advances in Gestational Diabetes Mellitus)
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