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21.
Leticia Villalba-Benito Ana Torroglosa Berta Luzn-Toro Raquel María Fernndez María Jos Moya-Jimnez Guillermo Antiolo Salud Borrego 《International journal of molecular sciences》2020,21(23)
Hirschsprung disease (HSCR) is a neurocristopathy characterized by intestinal aganglionosis which is attributed to a failure in neural crest cell (NCC) development during the embryonic stage. The colonization of the intestine by NCCs is a process finely controlled by a wide and complex gene regulatory system. Several genes have been associated with HSCR, but many aspects still remain poorly understood. The present study is focused on deciphering the PAX6 interaction network during enteric nervous system (ENS) formation. A combined experimental and computational approach was performed to identify PAX6 direct targets, as well as gene networks shared among such targets as potential susceptibility factors for HSCR. As a result, genes related to PAX6 either directly (RABGGTB and BRD3) or indirectly (TGFB1, HRAS, and GRB2) were identified as putative genes associated with HSCR. Interestingly, GRB2 is involved in the RET/GDNF/GFRA1 signaling pathway, one of the main pathways implicated in the disease. Our findings represent a new contribution to advance in the knowledge of the genetic basis of HSCR. The investigation of the role of these genes could help to elucidate their implication in HSCR onset. 相似文献
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Marta Martín-Snchez Nereida Bravo-Gil María Gonzlez-del Pozo Cristina Mndez-Vidal Elena Fernndez-Surez Enrique Rodríguez-de la Rúa Salud Borrego Guillermo Antiolo 《International journal of molecular sciences》2020,21(24)
The management of unsolved inherited retinal dystrophies (IRD) cases is challenging since no standard pipelines have been established. This study aimed to define a diagnostic algorithm useful for the diagnostic routine and to address unsolved cases. Here, we applied a Next-Generation Sequencing-based workflow, including a first step of panel sequencing (PS) followed by clinical-exome sequencing (CES) and whole-exome sequencing (WES), in 46 IRD patients belonging to 42 families. Twenty-six likely causal variants in retinal genes were found by PS and CES. CES and WES allowed proposing two novel candidate loci (WDFY3 and a X-linked region including CITED1), both abundantly expressed in human retina according to RT-PCR and immunohistochemistry. After comparison studies, PS showed the best quality and cost values, CES and WES involved similar analytical efforts and WES presented the highest diagnostic yield. These results reinforce the relevance of panels as a first step in the diagnostic routine and suggest WES as the next strategy for unsolved cases, reserving CES for the simultaneous study of multiple conditions. Standardizing this algorithm would enhance the efficiency and equity of clinical genetics practice. Furthermore, the identified candidate genes could contribute to increase the diagnostic yield and expand the mutational spectrum in these disorders. 相似文献
23.
María Salud Rubio Lozano Selene Alfaro‐Zavala Ana María Sifuentes‐Rincón Gaspar Manuel Parra‐Bracamonte Diego Braña Varela Rubén Danilo Méndez Medina Cristina Pérez Linares Francisco Ríos Rincón Armida Sánchez Escalante Gastón Torrescano Urrutia Fernando Figueroa Saavedra 《Journal of food quality》2016,39(2):150-156