1
|
Soscia R, Della Starza I, De Novi LA, Ilari C, Ansuinelli M, Cavalli M, Bellomarino V, Cafforio L, Di Trani M, Cazzaniga G, Fazio G, Santoro A, Salemi D, Spinelli O, Tosi M, Terragna C, Robustelli V, Bellissimo T, Colafigli G, Breccia M, Chiaretti S, Di Rocco A, Martelli M, Guarini A, Del Giudice I, Foà R. Circulating cell-free DNA for target quantification in hematologic malignancies: Validation of a protocol to overcome pre-analytical biases. Hematol Oncol 2023; 41:50-60. [PMID: 36251440 DOI: 10.1002/hon.3087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 10/05/2022] [Accepted: 10/11/2022] [Indexed: 02/03/2023]
Abstract
Circulating tumor DNA (ctDNA) has become the most investigated analyte in blood. It is shed from the tumor into the circulation and represents a subset of the total cell-free DNA (cfDNA) pool released into the peripheral blood. In order to define if ctDNA could represent a useful tool to monitor hematologic malignancies, we analyzed 81 plasma samples from patients affected by different diseases. The results showed that: (i) the comparison between two different extraction methods Qiagen (Hilden, Germany) and Promega (Madison, WI) showed no significant differences in cfDNA yield, though the first recovered higher amounts of larger DNA fragments; (ii) cfDNA concentrations showed a notable inter-patient variability and differed among diseases: acute lymphoblastic leukemia and chronic myeloid leukemia released higher amounts of cfDNA than chronic lymphocytic leukemia, and diffuse large B-cell lymphoma released higher cfDNA quantities than localized and advanced follicular lymphoma; (iii) focusing on the tumor fraction of cfDNA, the quantity of ctDNA released was insufficient for an adequate target quantification for minimal residual disease monitoring; (iv) an amplification system proved to be free of analytical biases and efficient in increasing ctDNA amounts at diagnosis and in follow-up samples as shown by droplet digital PCR target quantification. The protocol has been validated by quality control rounds involving external laboratories. To conclusively document the feasibility of a ctDNA-based monitoring of patients with hematologic malignancies, more post-treatment samples need to be evaluated. This will open new possibilities for ctDNA use in the clinical practice.
Collapse
Affiliation(s)
- Roberta Soscia
- Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome, Italy
| | - Irene Della Starza
- Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome, Italy.,GIMEMA Foundation, Rome, Italy
| | - Lucia Anna De Novi
- Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome, Italy
| | - Caterina Ilari
- Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome, Italy
| | - Michela Ansuinelli
- Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome, Italy
| | - Marzia Cavalli
- Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome, Italy
| | - Vittorio Bellomarino
- Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome, Italy
| | - Luciana Cafforio
- Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome, Italy
| | - Mariangela Di Trani
- Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome, Italy
| | - Giovanni Cazzaniga
- Tettamanti Research Center, Department of Pediatrics, University of Milano-Bicocca/Fondazione MBBM, Monza, Italy
| | - Grazia Fazio
- Tettamanti Research Center, Department of Pediatrics, University of Milano-Bicocca/Fondazione MBBM, Monza, Italy
| | - Alessandra Santoro
- Division of Hematology and Bone Marrow Transplantation, Ospedali Riuniti Villa Sofia-Cervello, Palermo, Italy
| | - Domenico Salemi
- Division of Hematology and Bone Marrow Transplantation, Ospedali Riuniti Villa Sofia-Cervello, Palermo, Italy
| | - Orietta Spinelli
- Hematology and Bone Marrow Transplant Unit, Ospedale Papa Giovanni XXIII, Bergamo, Italy
| | - Manuela Tosi
- Hematology and Bone Marrow Transplant Unit, Ospedale Papa Giovanni XXIII, Bergamo, Italy
| | - Carolina Terragna
- Seràgnoli Institute of Hematology, Azienda Ospedaliero-Universitaria Sant'Orsola-Malpighi, Bologna, Italy
| | - Valentina Robustelli
- Dipartimento di Medicina Specialistica Diagnostica e Sperimentale, Università di Bologna, Bologna, Italy
| | - Teresa Bellissimo
- Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome, Italy
| | - Gioia Colafigli
- Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome, Italy
| | - Massimo Breccia
- Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome, Italy
| | - Sabina Chiaretti
- Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome, Italy
| | - Alice Di Rocco
- Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome, Italy
| | - Maurizio Martelli
- Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome, Italy
| | - Anna Guarini
- Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome, Italy.,Department of Molecular Medicine, Sapienza University, Rome, Italy
| | - Ilaria Del Giudice
- Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome, Italy
| | - Robin Foà
- Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome, Italy
| |
Collapse
|