Technical Validation and Clinical Utility of an NGS Targeted Panel to Improve Molecular Characterization of Pediatric Acute Leukemia


Por: Vicente-Garces C, Esperanza-Cebollada E, Montesdeoca S, Torrebadell-Burriel M, Rives-Solà S, Dapena JL, Català-Temprano A, Conde N, Camós-Guijosa M and Vega-García N

Publicada: 7 abr 2022 Ahead of Print: 7 abr 2022
Resumen:
Development of next-generation sequencing (NGS) has provided useful genetic information to redefine diagnostic, prognostic, and therapeutic strategies for the management of acute leukemia (AL). However, the application in the clinical setting is still challenging. Our aim was to validate the AmpliSeq (TM) for Illumina (R) Childhood Cancer Panel, a pediatric pan-cancer targeted NGS panel that includes the most common genes associated with childhood cancer, and assess its utility in the daily routine of AL diagnostics. In terms of sequencing metrics, the assay reached all the expected values. We obtained a mean read depth greater than 1000x. The panel demonstrated a high sensitivity for DNA (98.5% for variants with 5% variant allele frequency (VAF)) and RNA (94.4%), 100% of specificity and reproducibility for DNA and 89% of reproducibility for RNA. Regarding clinical utility, 49% of mutations and 97% of the fusions identified were demonstrated to have clinical impact. Forty-one percent of mutations refined diagnosis, while 49% of them were considered targetable. Regarding RNA, fusion genes were more clinically impactful in terms of refining diagnostic (97%). Overall, the panel found clinically relevant results in the 43% of patients tested in this cohort. To sum up, we validated a reliable and reproducible method to refine pediatric AL diagnosis, prognosis, and treatment, and demonstrated the feasibility of incorporating a targeted NGS panel into pediatric hematology practice.

Filiaciones:
Vicente-Garces C:
 Hematology Laboratory, Hospital Sant Joan de Déu Barcelona, Esplugues de Llobregat, Barcelona, Spain

 Leukemia and Other Pediatric Hemopathies, Developmental Tumors Biology Group, Institut de Recerca Hospital Sant Joan de Déu, Esplugues de Llobregat, Barcelona, Spain

Esperanza-Cebollada E:
 Hematology Laboratory, Hospital Sant Joan de Déu Barcelona, Esplugues de Llobregat, Barcelona, Spain

 Leukemia and Other Pediatric Hemopathies, Developmental Tumors Biology Group, Institut de Recerca Hospital Sant Joan de Déu, Esplugues de Llobregat, Barcelona, Spain

Montesdeoca S:
 Hematology Laboratory, Hospital Sant Joan de Déu Barcelona, Esplugues de Llobregat, Barcelona, Spain

 Leukemia and Other Pediatric Hemopathies, Developmental Tumors Biology Group, Institut de Recerca Hospital Sant Joan de Déu, Esplugues de Llobregat, Barcelona, Spain

Torrebadell-Burriel M:
 Hematology Laboratory, Hospital Sant Joan de Déu Barcelona, Esplugues de Llobregat, Barcelona, Spain

 Leukemia and Other Pediatric Hemopathies, Developmental Tumors Biology Group, Institut de Recerca Hospital Sant Joan de Déu, Esplugues de Llobregat, Barcelona, Spain

 Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, Madrid, Spain

Rives-Solà S:
 Leukemia and Other Pediatric Hemopathies, Developmental Tumors Biology Group, Institut de Recerca Hospital Sant Joan de Déu, Esplugues de Llobregat, Barcelona, Spain

 Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, Madrid, Spain

 Pediatric Hematology and Oncology Department, Hospital Sant Joan de Déu Barcelona, University of Barcelona, Barcelona, Spain

Dapena JL:
 Leukemia and Other Pediatric Hemopathies, Developmental Tumors Biology Group, Institut de Recerca Hospital Sant Joan de Déu, Esplugues de Llobregat, Barcelona, Spain

 Pediatric Hematology and Oncology Department, Hospital Sant Joan de Déu Barcelona, University of Barcelona, Barcelona, Spain

Català-Temprano A:
 Leukemia and Other Pediatric Hemopathies, Developmental Tumors Biology Group, Institut de Recerca Hospital Sant Joan de Déu, Esplugues de Llobregat, Barcelona, Spain

 Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, Madrid, Spain

 Pediatric Hematology and Oncology Department, Hospital Sant Joan de Déu Barcelona, University of Barcelona, Barcelona, Spain

Conde N:
 Leukemia and Other Pediatric Hemopathies, Developmental Tumors Biology Group, Institut de Recerca Hospital Sant Joan de Déu, Esplugues de Llobregat, Barcelona, Spain

 Pediatric Hematology and Oncology Department, Hospital Sant Joan de Déu Barcelona, University of Barcelona, Barcelona, Spain

Camós-Guijosa M:
 Hematology Laboratory, Hospital Sant Joan de Déu Barcelona, Esplugues de Llobregat, Barcelona, Spain

 Leukemia and Other Pediatric Hemopathies, Developmental Tumors Biology Group, Institut de Recerca Hospital Sant Joan de Déu, Esplugues de Llobregat, Barcelona, Spain

 Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, Madrid, Spain

Vega-García N:
 Hematology Laboratory, Hospital Sant Joan de Déu Barcelona, Esplugues de Llobregat, Barcelona, Spain

 Leukemia and Other Pediatric Hemopathies, Developmental Tumors Biology Group, Institut de Recerca Hospital Sant Joan de Déu, Esplugues de Llobregat, Barcelona, Spain
ISSN: 2296889X





Frontiers in Molecular Biosciences
Editorial
FRONTIERS MEDIA SA, AVENUE DU TRIBUNAL FEDERAL 34, LAUSANNE CH-1015, SWITZERLAND, Suiza
Tipo de documento: Article
Volumen: 9 Número:
Páginas: 854098-854098
WOS Id: 000791356200001
ID de PubMed: 35463953
imagen gold, Green Published

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