Lorente-Herraiz, L.; Cuesta, A.M.; Granado, J.; Recio-Poveda, L.; Botella, L.-M.; Albiñana, V. Molecular and Cellular Characterization of Primary Endothelial Cells from a Familial Cavernomatosis Patient. Int. J. Mol. Sci.2024, 25, 3952.
Lorente-Herraiz, L.; Cuesta, A.M.; Granado, J.; Recio-Poveda, L.; Botella, L.-M.; Albiñana, V. Molecular and Cellular Characterization of Primary Endothelial Cells from a Familial Cavernomatosis Patient. Int. J. Mol. Sci. 2024, 25, 3952.
Lorente-Herraiz, L.; Cuesta, A.M.; Granado, J.; Recio-Poveda, L.; Botella, L.-M.; Albiñana, V. Molecular and Cellular Characterization of Primary Endothelial Cells from a Familial Cavernomatosis Patient. Int. J. Mol. Sci.2024, 25, 3952.
Lorente-Herraiz, L.; Cuesta, A.M.; Granado, J.; Recio-Poveda, L.; Botella, L.-M.; Albiñana, V. Molecular and Cellular Characterization of Primary Endothelial Cells from a Familial Cavernomatosis Patient. Int. J. Mol. Sci. 2024, 25, 3952.
Abstract
Cerebral cavernous malformations (CCM) or familial cavernomatosis is a rare, autosomal dominant, inherited disease characterized by the presence of vascular malformations consisting of blood vessels with an abnormal structure in the form of clusters. Based on the altered gene (CCM1/Krit1, CCM2, CCM3) and its origin (spontaneous or familial), different types of this dis-ease can be found. In this work we have isolated and cultivated primary endothelial cells (ECs) from peripheral blood of a type 1 CCM patient. Differential functional and gene expression pro-file of these cells were analyzed and compared to primary ECs from a healthy donor. The muta-tion of the familial index case consisted of a heterozygous point mutation in the position +1 splicing consensus between exons 15 and 16, causing failure in RNA processing and in the final protein. Furthermore, gene expression analysis by quantitative PCR revealed a decreased ex-pression of genes involved in intercellular junction formation, angiogenesis, and vascular ho-meostasis. Cell biology analysis showed that CCM1 ECs were impaired in angiogenesis and cell migration. Taken together, the results obtained suggest that the alterations found in CCM1 ECs are already present in the heterozygous condition, suffering from vascular impairment and someway predisposed to vascular damage.
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