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Guerini-Rocco E, Venetis K, Cursano G, Mane E, Frascarelli C, Pepe F, Negrelli M, Olmeda E, Vacirca D, Ranghiero A, Trapani D, Criscitiello C, Curigliano G, Rolfo C, Malapelle U, Fusco N. Standardized molecular pathology workflow for ctDNA-based ESR1 testing in HR+/HER2- metastatic breast cancer. Crit Rev Oncol Hematol 2024; 201:104427. [PMID: 38917944 DOI: 10.1016/j.critrevonc.2024.104427] [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: 04/23/2024] [Revised: 06/19/2024] [Accepted: 06/21/2024] [Indexed: 06/27/2024] Open
Abstract
Mutations in the estrogen receptor alpha gene (ESR1) can lead to resistance to endocrine therapy (ET) in hormone receptor-positive (HR+)/ HER2- metastatic breast cancer (MBC). ESR1 mutations can be detected in up to 40 % of patients pretreated with ET in circulating tumor DNA (ctDNA). Data from prospective randomized trials highlight those patients with HR+/HER2- MBC with detectable ESR1 mutations experience better outcomes when receiving novel selective estrogen receptor degraders (SERDs). There is a high need for optimizing ESR1 testing strategies on liquid biopsy samples in HR+/HER2- MBC, including a hugh quality workflow implementation and molecular pathology reporting standardization. Our manuscript aims to elucidate the clinical and biological rationale for ESR1 testing in MBC, while critically examining the currently available guidelines and recommendations for this specific type of molecular testing on ctDNA. The objective will extend to the critical aspects of harmonization and standardization, specifically focusing on the pathology laboratory workflow. Finally, we propose a clear and comprehensive model for reporting ESR1 testing results on ctDNA in HR+/HER2- MBC.
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Affiliation(s)
- Elena Guerini-Rocco
- Division of Pathology, European Institute of Oncology IRCCS, Milan, Italy; Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| | | | - Giulia Cursano
- Division of Pathology, European Institute of Oncology IRCCS, Milan, Italy
| | - Eltjona Mane
- Division of Pathology, European Institute of Oncology IRCCS, Milan, Italy
| | - Chiara Frascarelli
- Division of Pathology, European Institute of Oncology IRCCS, Milan, Italy; Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| | - Francesco Pepe
- Department of Public Health, Federico II University of Naples, Naples, Italy
| | - Mariachiara Negrelli
- Division of Pathology, European Institute of Oncology IRCCS, Milan, Italy; School of Pathology, University of Milan, Milan, Italy
| | - Edoardo Olmeda
- Division of Pathology, European Institute of Oncology IRCCS, Milan, Italy; School of Pathology, University of Milan, Milan, Italy
| | - Davide Vacirca
- Division of Pathology, European Institute of Oncology IRCCS, Milan, Italy
| | - Alberto Ranghiero
- Division of Pathology, European Institute of Oncology IRCCS, Milan, Italy
| | - Dario Trapani
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy; Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology IRCCS, Milan, Italy
| | - Carmen Criscitiello
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy; Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology IRCCS, Milan, Italy
| | - Giuseppe Curigliano
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy; Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology IRCCS, Milan, Italy
| | - Christian Rolfo
- Center for Thoracic Oncology, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Umberto Malapelle
- Department of Public Health, Federico II University of Naples, Naples, Italy
| | - Nicola Fusco
- Division of Pathology, European Institute of Oncology IRCCS, Milan, Italy; Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy.
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Tan SD, Li MH. Brain abscess caused by Streptococcus anginosus group: Three case reports. World J Clin Cases 2024; 12:3243-3252. [PMID: 38898852 PMCID: PMC11185366 DOI: 10.12998/wjcc.v12.i17.3243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 04/28/2024] [Accepted: 05/17/2024] [Indexed: 06/04/2024] Open
Abstract
BACKGROUND This case series investigated the clinical manifestations, diagnoses, and treatment of cerebral abscesses caused by Streptococcus anginosus. We retrospectively analyzed the clinical characteristics and outcomes of three cases of cerebral abscesses caused by Streptococcus anginosus and conducted a comprehensive review of relevant literature. CASE SUMMARY Case 1 presented with a history of left otitis media and exhibited high fever, confusion, and vomiting as primary symptoms. Postoperative pus culture indicated a brain abscess caused by Streptococcus constellatus infection. Case 2 experienced dizziness for two days as the primary symptom. Postoperative pus culture suggested an intermediate streptococcal brain abscess. Case 3: Enhanced head magnetic resonance imaging (MRI) and diffusion-weighted imaging revealed occupancy of the left temporal lobe, initially suspected to be a metastatic tumor. However, a postoperative pus culture confirmed the presence of a brain abscess caused by Streptococcus anginosus infection. The three cases presented in this case series were all patients with community-acquired brain abscesses resulting from angina caused by Streptococcus group infection. All three patients demonstrated sensitivity to penicillin, ceftriaxone, vancomycin, linezolid, chloramphenicol, and levofloxacin. Successful treatment was achieved through stereotaxic puncture, drainage, and ceftriaxone administration with a six -week course of antibiotics. CONCLUSION Preoperative enhanced head MRI plays a critical role in distinguishing brain tumors from abscesses. Selecting the correct early diagnostic methods for brain abscesses and providing timely intervention are very important. This case series was in accordance with the CARE guidelines.
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Affiliation(s)
- Si-Di Tan
- The 2nd Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang Province, China
| | - Ming-Hui Li
- Department of Infection, Shaoxing People's Hospital, Shaoxing 312000, Zhejiang Province, China
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Quivoron C, Michot JM, Danu A, Lecourt H, Saada V, Saleh K, Vergé V, Cotteret S, Bernard OA, Ribrag V. Sensitivity, specificity, and accuracy of molecular profiling on circulating cell-free DNA in refractory or relapsed multiple myeloma patients, results of MM-EP1 study. Leuk Lymphoma 2024; 65:789-799. [PMID: 38433500 DOI: 10.1080/10428194.2024.2320258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 02/13/2024] [Indexed: 03/05/2024]
Abstract
As a promising alternative to bone marrow aspiration (BMA), mutational profiling on blood-derived circulating cell-free tumor DNA (cfDNA) is a harmless and simple technique to monitor molecular response and treatment resistance of patients with refractory/relapsed multiple myeloma (R/R MM). We evaluated the sensitivity and specificity of cfDNA compared to BMA CD138 positive myeloma plasma cells (PCs) in a series of 45 R/R MM patients using the 29-gene targeted panel (AmpliSeq) NGS. KRAS, NRAS, FAM46C, DIS3, and TP53 were the most frequently mutated genes. The average sensitivity and specificity of cfDNA detection were 65% and 97%, respectively. The concordance per gene between the two samples was good to excellent according to Cohen's κ coefficients interpretation. An increased number of mutations detected in cfDNA were associated with a decreased overall survival. In conclusion, we demonstrated cfDNA NGS analysis feasibility and accuracy in R/R MM patients who may benefit from early phase clinical trial.
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Affiliation(s)
- C Quivoron
- Translational Hematology Laboratory, AMMICa, INSERM US23/CNRS UAR3655, Gustave Roussy Cancer Campus, Villejuif, France
- INSERM U1170, Université Paris-Saclay, Gustave Roussy Cancer Campus, Villejuif, France
| | - J-M Michot
- INSERM U1170, Université Paris-Saclay, Gustave Roussy Cancer Campus, Villejuif, France
- Drug Development Department: Département d'Innovation Thérapeutique et d'Essais Précoces (DITEP), Gustave Roussy, Villejuif, France
| | - A Danu
- Hematology Department, Gustave Roussy, Villejuif, France
| | - H Lecourt
- Translational Hematology Laboratory, AMMICa, INSERM US23/CNRS UAR3655, Gustave Roussy Cancer Campus, Villejuif, France
| | - V Saada
- Department of Medical Biology and Pathology, Gustave Roussy, Villejuif, France
| | - K Saleh
- Hematology Department, Gustave Roussy, Villejuif, France
| | - V Vergé
- Department of Medical Biology and Pathology, Gustave Roussy, Villejuif, France
| | - S Cotteret
- Department of Medical Biology and Pathology, Gustave Roussy, Villejuif, France
| | - O A Bernard
- INSERM U1170, Université Paris-Saclay, Gustave Roussy Cancer Campus, Villejuif, France
| | - V Ribrag
- Translational Hematology Laboratory, AMMICa, INSERM US23/CNRS UAR3655, Gustave Roussy Cancer Campus, Villejuif, France
- INSERM U1170, Université Paris-Saclay, Gustave Roussy Cancer Campus, Villejuif, France
- Drug Development Department: Département d'Innovation Thérapeutique et d'Essais Précoces (DITEP), Gustave Roussy, Villejuif, France
- Hematology Department, Gustave Roussy, Villejuif, France
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4
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Kudriavtsev A, Pastor B, Mirandola A, Pisareva E, Gricourt Y, Capdevila X, Thierry AR, Cuvillon P. Association of the immediate perioperative dynamics of circulating DNA levels and neutrophil extracellular traps formation in cancer patients. PRECISION CLINICAL MEDICINE 2024; 7:pbae008. [PMID: 38699382 PMCID: PMC11062027 DOI: 10.1093/pcmedi/pbae008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 03/26/2024] [Indexed: 05/05/2024] Open
Abstract
Objectives Elevated circulating DNA (cirDNA) concentrations were found to be associated with trauma or tissue damage which suggests involvement of inflammation or cell death in post-operative cirDNA release. We carried out the first prospective, multicenter study of the dynamics of cirDNA and neutrophil extracellular trap (NETs) markers during the perioperative period from 24 h before surgery up to 72 h after curative surgery in cancer patients. Methods We examined the plasma levels of two NETs protein markers [myeloperoxidase (MPO) and neutrophil elastase (NE)], as well as levels of cirDNA of nuclear (cir-nDNA) and mitochondrial (cir-mtDNA) origin in 29 colon, prostate, and breast cancer patients and in 114 healthy individuals (HI). Results The synergistic analytical information provided by these markers revealed that: (i) NETs formation contributes to post-surgery conditions; (ii) post-surgery cir-nDNA levels were highly associated with NE and MPO in colon cancer [r = 0.60 (P < 0.001) and r = 0.53 (P < 0.01), respectively], but not in prostate and breast cancer; (iii) each tumor type shows a specific pattern of cir-nDNA and NETs marker dynamics, but overall the pre- and post-surgery median values of cir-nDNA, NE, and MPO were significantly higher in cancer patients than in HI. Conclusion Taken as a whole, our work reveals the association of NETs formation with the elevated cir-nDNA release during a cancer patient's perioperative period, depending on surgical procedure or cancer type. By contrast, cir-mtDNA is poorly associated with NETs formation in the studied perioperative period, which would appear to indicate a different mechanism of release or suggest mitochondrial dysfunction.
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Affiliation(s)
- Andrei Kudriavtsev
- Institut de Recherche en Cancérologie de Montpellier, INSERM U1194, Université de Montpellier, Montpellier 34298, France
| | - Brice Pastor
- Institut de Recherche en Cancérologie de Montpellier, INSERM U1194, Université de Montpellier, Montpellier 34298, France
- Institut régional du Cancer de Montpellier, Montpellier 34298, France
| | - Alexia Mirandola
- Institut de Recherche en Cancérologie de Montpellier, INSERM U1194, Université de Montpellier, Montpellier 34298, France
| | - Ekaterina Pisareva
- Institut de Recherche en Cancérologie de Montpellier, INSERM U1194, Université de Montpellier, Montpellier 34298, France
| | - Yann Gricourt
- Department of Anaesthesiology and Pain Management, Centre Hospitalo-Universitaire (CHU) Carémeau, Place du Professeur Debré,Nîmes 30400, France
- University of Montpellier, Montpellier 34298, France
| | - Xavier Capdevila
- Division of Anaesthesia Intensive Care, Pain and Emergency Medicine, Montpellier University Hospital, Montpellier 34090, France
- Montpellier NeuroSciences Institute, INSERM U1298, University of Montpellier, Montpellier 34295, France
| | - Alain R Thierry
- Institut de Recherche en Cancérologie de Montpellier, INSERM U1194, Université de Montpellier, Montpellier 34298, France
- Institut régional du Cancer de Montpellier, Montpellier 34298, France
| | - Philippe Cuvillon
- Department of Anaesthesiology and Pain Management, Centre Hospitalo-Universitaire (CHU) Carémeau, Place du Professeur Debré,Nîmes 30400, France
- University of Montpellier, Montpellier 34298, France
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Ara H, Tarek SA, Biswas MK, Al-Din SMS, Hoque E, Hasan KME, Hossain AKMM, Faruque SB, Haque Y, Sharafuddin SM. Investigating the Z-scan technique for quantifying circulating cell-free DNA (ccfDNA) extracted from blood plasma as a potential biomarker for various cancers. Biomed Phys Eng Express 2024; 10:045029. [PMID: 38718773 DOI: 10.1088/2057-1976/ad4890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Accepted: 05/08/2024] [Indexed: 05/23/2024]
Abstract
The Z-scan technique is a nonlinear optical method that has found applications in characterizing various materials, particularly those exhibiting nonlinear optical response (NLOR). This study applies the continuous wave (CW) Z-scan technique to examine the NLOR in terms of the nonlinear optical phase shifts(ΔΦ0) exhibited by the ccfDNA extracted from blood plasma samples collected from a group constituting 30 cancer-diagnosed patients and another group constituting 30 non-diagnosed individuals. The cancer group exhibited significantly higherΔΦ0versus incident power slopes compared to the non-cancer group (0.34 versus 0.12) providing a clear distinction between the two groups. The receiver operating characteristic (ROC) curve analysis of the results indicates a clear separation between cancer and non-cancer groups, along with a 94% accuracy rate of the data. The Z-scan results are corroborated by spectrophotometric analysis, revealing a consistent trend in the concentration values of ccfDNA samples extracted from both cancerous and non-cancerous samples, measuring 3.24 and 1.41 respectively. Additionally, more sensitive fluorometric analyses of the respective samples demonstrate significantly higher concentrations of ccfDNA in the cancer group, further affirming the correlation with the Z-scan results. The study suggests that the Z-scan technique holds promise as an effective method for cancer detection, potentially contributing to improved oncology diagnosis and prognosis in the future.
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Affiliation(s)
- H Ara
- Department of Physics, Shahjalal University of Science and Technology, Sylhet, Bangladesh
| | - S A Tarek
- American International University-Bangladesh, Dhaka, Bangladesh
| | - M K Biswas
- Sunamgonj Govt. College, Sunamgonj, Bangladesh
| | - S M S Al-Din
- Invent Technologies Ltd, Banani, Dhaka, Bangladesh
| | - E Hoque
- Department of Physics, Shahjalal University of Science and Technology, Sylhet, Bangladesh
| | - K M E Hasan
- Department of Physics, Shahjalal University of Science and Technology, Sylhet, Bangladesh
| | - A K M M Hossain
- Department of Physics, Shahjalal University of Science and Technology, Sylhet, Bangladesh
| | - S B Faruque
- Department of Physics, Shahjalal University of Science and Technology, Sylhet, Bangladesh
| | - Y Haque
- Department of Physics, Shahjalal University of Science and Technology, Sylhet, Bangladesh
| | - S M Sharafuddin
- Department of Physics, Shahjalal University of Science and Technology, Sylhet, Bangladesh
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Park BC, Soh JO, Choi HJ, Park HS, Lee SM, Fu HE, Kim MS, Ko MJ, Koo TM, Lee JY, Kim YK, Lee JH. Ultrasensitive and Rapid Circulating Tumor DNA Liquid Biopsy Using Surface-Confined Gene Amplification on Dispersible Magnetic Nano-Electrodes. ACS NANO 2024; 18:12781-12794. [PMID: 38733343 DOI: 10.1021/acsnano.3c12266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2024]
Abstract
Circulating tumor DNA (ctDNA) detection has been acknowledged as a promising liquid biopsy approach for cancer diagnosis, with various ctDNA assays used for early detection and treatment monitoring. Dispersible magnetic nanoparticle-based electrochemical detection methods have been proposed as promising candidates for ctDNA detection based on the detection performance and features of the platform material. This study proposes a nanoparticle surface-localized genetic amplification approach by integrating Fe3O4-Au core-shell nanoparticles into polymerase chain reactions (PCR). These highly dispersible and magnetically responsive superparamagnetic nanoparticles act as nano-electrodes that amplify and accumulate target ctDNA in situ on the nanoparticle surface upon PCR amplification. These nanoparticles are subsequently captured and subjected to repetitive electrochemical measurements to induce reconfiguration-mediated signal amplification for ultrasensitive (∼3 aM) and rapid (∼7 min) metastatic breast cancer ctDNA detection in vitro. The detection platform can also detect metastatic biomarkers from in vivo samples, highlighting the potential for clinical applications and further expansion to rapid and ultrasensitive multiplex detection of various cancers.
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Affiliation(s)
- Bum Chul Park
- Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 48109-2136, United States
| | - Jeong Ook Soh
- Department of Bionano Engineering, Hanyang University, Ansan 15588, Republic of Korea
- Center for Bionano Intelligence Education and Research, Hanyang University, Ansan 15588, Republic of Korea
| | - Hee-Joo Choi
- Department of Pathology, Hanyang University, Seoul 04763, Republic of Korea
- Hanyang Institute of Bioscience and Biotechnology (HY-IBB), Hanyang University, Seoul 04763, Republic of Korea
- Hanyang Biomedical Research Institute (HBRI), Hanyang University, Seoul 04763, Republic of Korea
| | - Hyeon Su Park
- Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Sang Min Lee
- Department of Bionano Engineering, Hanyang University, Ansan 15588, Republic of Korea
- Center for Bionano Intelligence Education and Research, Hanyang University, Ansan 15588, Republic of Korea
| | - Hong En Fu
- Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Myeong Soo Kim
- Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Min Jun Ko
- Department of Radiology, Northwestern University, Chicago, Illinois 60611, United States
| | - Thomas Myeongseok Koo
- Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Jeong-Yeon Lee
- Department of Pathology, Hanyang University, Seoul 04763, Republic of Korea
- Hanyang Institute of Bioscience and Biotechnology (HY-IBB), Hanyang University, Seoul 04763, Republic of Korea
| | - Young Keun Kim
- Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
- Brain Korea Center for Smart Materials and Devices, Korea University, Seoul 02841, Republic of Korea
| | - Ju Hun Lee
- Department of Bionano Engineering, Hanyang University, Ansan 15588, Republic of Korea
- Center for Bionano Intelligence Education and Research, Hanyang University, Ansan 15588, Republic of Korea
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7
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He G, Wang W, Zhou Y, Zhao G, Liao J. Ampholytic ion-exchange magnetic beads: a promising tool for selecting short fragments in circulating cell-free DNA analysis. Front Oncol 2024; 14:1397680. [PMID: 38779084 PMCID: PMC11109406 DOI: 10.3389/fonc.2024.1397680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Accepted: 04/23/2024] [Indexed: 05/25/2024] Open
Abstract
Objective For liquid biopsy of cancer, the extraction of circulating cell-free DNA (cfDNA) from plasma is required. We evaluated the efficacy of use of magnetic submicron particles coated with abundant small zwitterions (MSP-ZEWBs) for extracting short fragments of cfDNA. Methods We developed and optimized an MSP-ZEWB-based cfDNA extraction method using ampholytic ion-exchange materials and compared its results with those using a control kit. We measured the cfDNA concentration by quantitative polymerase-chain-reaction and using the Qubit method and analyzed cfDNA fragmentation patterns using a bioanalyzer. Results The fragment size of cfDNA isolated from glycine hydrochloric acid at a pH of 2.2 exhibited a better alignment with the DNA marker. The highest DNA intensity was observed at the final concentration of 0.8% polyethylene glycol 8000. The intensity of cfDNA decreased significantly when isolated from plasma with DNA marker using MSP-ZEWBs with an adsorption buffer containing guanidine hydrochloride or isothiocyanoguanidine. All fragments were successfully extracted using MSP-ZEWBs from both plasma and phosphate-buffered saline. Notably, the intensity of short cfDNA fragments isolated using MSP-ZEWBs remained consistent for recovery of long DNA fragments. indicating a potential selective of small fragments. Conclusion The extraction of plasma cfDNA with MSP-ZEWBs requires no protein denaturation, shows resistance to cells remaining in plasma, and demonstrates higher overall efficiency and better reproducibility than other extraction methods. Use of MSP-ZEWBs may greatly enhance liquid biopsy of cancers through the analysis of plasma cfDNA in clinical practice.
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Affiliation(s)
- Gan He
- Gastrointestinal Surgery, Yongchuan Hospital of Chongqing Medical University, Chongqing, China
| | - Weixuan Wang
- Institute of Life Sciences, Chongqing Medical University, Chongqing, China
| | - Yongxia Zhou
- Department of Radiology, Yongchuan Hospital of Chongqing Medical University, Chongqing, China
- Center Laboratory, Yongchuan Hospital of Chongqing Medical University, Chongqing, China
| | - Guowei Zhao
- Gastrointestinal Surgery, Yongchuan Hospital of Chongqing Medical University, Chongqing, China
| | - Juan Liao
- Center Laboratory, Yongchuan Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Geriatric Disease Clinical Research Center, Chongqing, China
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8
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Xu Y, Wang Z, Pei B, Wang J, Xue Y, Zhao G. DNA methylation markers in esophageal cancer. Front Genet 2024; 15:1354195. [PMID: 38774285 PMCID: PMC11106492 DOI: 10.3389/fgene.2024.1354195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 04/19/2024] [Indexed: 05/24/2024] Open
Abstract
Background Esophageal cancer (EC) is a prevalent malignancy characterized by a low 5-year survival rate, primarily attributed to delayed diagnosis and limited therapeutic options. Currently, early detection of EC heavily relies on endoscopy and pathological examination, which pose challenges due to their invasiveness and high costs, leading to low patient compliance. The detection of DNA methylation offers a non-endoscopic, cost-effective, and secure approach that holds promising prospects for early EC detection. Methods To identify improved methylation markers for early EC detection, we conducted a comprehensive review of relevant literature, summarized the performance of DNA methylation markers based on different input samples and analytical methods in EC early detection and screening. Findings This review reveals that blood cell free DNA methylation-based method is an effective non-invasive method for early detection of EC, although there is still a need to improve its sensitivity and specificity. Another highly sensitive and specific non-endoscopic approach for early detection of EC is the esophageal exfoliated cells based-DNA methylation analysis. However, while there are substantial studies in esophageal adenocarcinoma, further more validation is required in esophageal squamous cell carcinoma. Conclusion In conclusion, DNA methylation detection holds significant potential as an early detection and screening technology for EC.
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Affiliation(s)
- Yongle Xu
- Suzhou Municipal Hospital, Gusu School, The Affiliated Suzhou Hospital of Nanjing Medical University, Nanjing Medical University, Suzhou, China
| | - Zhenzhen Wang
- Department of Laboratory Medicine, Affiliated Xuzhou Maternity and Child Healthcare Hospital of Xuzhou Medical University, Xuzhou, China
| | - Bing Pei
- Department of Clinical Laboratory, The Affiliated Suqian First People’s Hospital of Nanjing Medical University, Suqian, China
| | - Jie Wang
- Department of Spleen and Stomach Diseases, Kunshan Hospital of Traditional Chinese Medicine, Kunshan, China
| | - Ying Xue
- Suzhou Municipal Hospital, Gusu School, The Affiliated Suzhou Hospital of Nanjing Medical University, Nanjing Medical University, Suzhou, China
| | - Guodong Zhao
- Department of Spleen and Stomach Diseases, Kunshan Hospital of Traditional Chinese Medicine, Kunshan, China
- Zhejiang University of Technology, Hangzhou, China
- ZJUT Yinhu Research Institute of Innovation and Entrepreneurship, Hangzhou, China
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9
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Lee JS, Cho EH, Kim B, Hong J, Kim YG, Kim Y, Jang JH, Lee ST, Kong SY, Lee W, Shin S, Song EY. Clinical Practice Guideline for Blood-based Circulating Tumor DNA Assays. Ann Lab Med 2024; 44:195-209. [PMID: 38221747 PMCID: PMC10813828 DOI: 10.3343/alm.2023.0389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 12/06/2023] [Accepted: 01/06/2024] [Indexed: 01/16/2024] Open
Abstract
Circulating tumor DNA (ctDNA) has emerged as a promising tool for various clinical applications, including early diagnosis, therapeutic target identification, treatment response monitoring, prognosis evaluation, and minimal residual disease detection. Consequently, ctDNA assays have been incorporated into clinical practice. In this review, we offer an in-depth exploration of the clinical implementation of ctDNA assays. Notably, we examined existing evidence related to pre-analytical procedures, analytical components in current technologies, and result interpretation and reporting processes. The primary objective of this guidelines is to provide recommendations for the clinical utilization of ctDNA assays.
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Affiliation(s)
- Jee-Soo Lee
- Department of Laboratory Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Eun Hye Cho
- Department of Laboratory Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Boram Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | | | - Young-gon Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Yoonjung Kim
- Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Ja-Hyun Jang
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Seung-Tae Lee
- Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, Korea
- Dxome Co. Ltd., Seongnam, Korea
| | - Sun-Young Kong
- Department of Laboratory Medicine, National Cancer Center, Goyang, Korea
| | - Woochang Lee
- Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Saeam Shin
- Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Eun Young Song
- Department of Laboratory Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
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10
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Das D, Avssn R, Chittela RK. A phenol-chloroform free method for cfDNA isolation from cell conditioned media: development, optimization and comparative analysis. Anal Biochem 2024; 687:115454. [PMID: 38158107 DOI: 10.1016/j.ab.2023.115454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 12/13/2023] [Accepted: 12/26/2023] [Indexed: 01/03/2024]
Abstract
The non-invasive invasive nature of cell-free DNA (cfDNA) as diagnostic, prognostic, and theragnostic biomarkers has gained immense popularity in recent years. The clinical utility of cfDNA biomarkers may depend on understanding their origin and biological significance. Apoptosis, necrosis, and/or active release are possible mechanisms of cellular DNA release into the cell-free milieu. In-vitro cell culture models can provide useful insights into cfDNA biology. The yields and quality of cfDNA in the cell conditioned media (CCM) are largely dependent on the extraction method used. Here, we developed a phenol-chloroform-free cfDNA extraction method from CCM and compared it with three others published cfDNA extraction methods and four commercially available kits. Real-Time PCR (qPCR) targeting two different loci and a fluorescence-based Qubit assay were performed to quantify the extracted cfDNA. The absolute concentration of the extracted cfDNA varies with the target used for the qPCR assay; however, the relative trend remains similar for both qPCR assays. The cfDNA yield from CCM provided by the developed method was found to be either higher or comparable to the other methods used. In conclusion, we developed a safe, rapid and cost-effective cfDNA extraction protocol with minimal hands-on time; with no compromise in cfDNA yields.
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Affiliation(s)
- Dhruv Das
- Applied Genomics Section, Bioscience Group, Bhabha Atomic Research Centre, Mumbai, 400085, India; Homi Bhabha National Institute (HBNI), Anushaktinagar, Trombay, Mumbai, 400094, India
| | - Rao Avssn
- Applied Genomics Section, Bioscience Group, Bhabha Atomic Research Centre, Mumbai, 400085, India
| | - Rajani Kant Chittela
- Applied Genomics Section, Bioscience Group, Bhabha Atomic Research Centre, Mumbai, 400085, India; Homi Bhabha National Institute (HBNI), Anushaktinagar, Trombay, Mumbai, 400094, India.
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11
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Terp SK, Pedersen IS, Stoico MP. Extraction of Cell-Free DNA: Evaluation of Efficiency, Quantity, and Quality. J Mol Diagn 2024; 26:310-319. [PMID: 38336350 DOI: 10.1016/j.jmoldx.2024.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 01/03/2024] [Accepted: 01/10/2024] [Indexed: 02/12/2024] Open
Abstract
Cell-free DNA (cfDNA) serves as a valuable biomarker for early disease detection and monitoring. However, the use of cfDNA for analysis faces challenges owing to general low but variable abundance and fragmentation. Preanalytical factors, including cfDNA extraction, impact cfDNA quality and quantity. Efficient and robust cfDNA extraction is essential for reliable results in downstream applications, and various commercial extraction methods exist, each with trade-offs. To aid researchers and clinicians in choosing the proper cfDNA extraction method, manual, semiautomated, and automated methods were evaluated, including the QIAamp Circulating Nucleic Acid Kit (manual and QIAcube), QIAamp MinElute ccfDNA Kit (QIAcube), and QIAsymphony DSP Circulating DNA Kit (QIAsymphony). For each extraction method, cfDNA was extracted on two separate days, using samples obtained from 18 healthy donors. This study assessed extraction efficiency, quantity, and quality using droplet digital PCR and TapeStation. The QIAamp Circulating Nucleic Acid Kit, both manual and semiautomated, outperformed the QIAamp MinElute ccfDNA Kit (QIAcube) and QIAsymphony DSP Circulating DNA Kit (QIAsymphony), showing higher recovery rates and cfDNA quantity. All methods were reproducible, with no day-to-day variability and no contamination by high-molecular-weight DNA. The QIAamp Circulating Nucleic Acid Kit offers high yield without compromising quality. Implementation of the method should consider specific study and clinical needs, taking into account each method's advantages and limitations for optimal outcomes.
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Affiliation(s)
- Simone K Terp
- Department of Molecular Diagnostics, Aalborg University Hospital, Aalborg, Denmark; Clinical Cancer Research Center, Aalborg University Hospital, Aalborg, Denmark; Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.
| | - Inge S Pedersen
- Department of Molecular Diagnostics, Aalborg University Hospital, Aalborg, Denmark; Clinical Cancer Research Center, Aalborg University Hospital, Aalborg, Denmark; Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Malene P Stoico
- Department of Molecular Diagnostics, Aalborg University Hospital, Aalborg, Denmark; Clinical Cancer Research Center, Aalborg University Hospital, Aalborg, Denmark; Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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12
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Nikitina D, Lukosevicius R, Tilinde D, Muskieta T, Hov JR, Melum E, Klovins J, Org E, Kiudelis G, Kupcinskas J, Skieceviciene J. Cell-Free Microbial DNA Analysis: Effects of Blood Plasma and Serum Quantity, Biobanking Protocols, and Isolation Kits. Biopreserv Biobank 2024. [PMID: 38416864 DOI: 10.1089/bio.2023.0048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2024] Open
Abstract
Recent studies highlight the presence of bacterial sequences in the human blood, suggesting potential clinical significance for circulating microbial signatures. These sequences could presumably serve in the diagnosis, prediction, or monitoring of various health conditions. Ensuring the similarity of samples before bacterial analysis is crucial, especially when combining samples from different biobanks prepared under varying conditions (such as different DNA extraction kits, centrifugation conditions, blood collection tubes, etc.). In this study, we aimed to analyze the impact of different sample collection and nucleic acid extraction criteria (blood collection tube, centrifugation, input volume, and DNA extraction kit) on circulating bacterial composition. Blood samples from four healthy individuals were collected into three different sample collection tubes: K2EDTA plasma tube, sodium citrate plasma tube, and gel tube for blood serum. Tubes were centrifugated at standard and double centrifugation conditions. DNA extraction was performed using 100, 200, and 500 μL plasma/serum input volumes. DNA extraction was performed using three different isolation kits: Norgen plasma/serum cell-free circulating DNA purification micro kit, Applied Biosystems MagMAX cell-free DNA isolation kit, and Qiagen QIAamp MinElute cell-free circulating DNA mini kit. All samples were subjected to 16S rRNA V1-V2 library preparation and sequencing. In total, 216 DNA and 18 water control samples were included in the study. According to PERMANOVA, PCoA, Mann-Whitney, and FDR tests the effect of the DNA extraction kit on the microbiota composition was the greatest, whereas the type of blood collection tube, centrifugation type, and sample input volume for the extraction had minor effects. Samples extracted with the Norgen DNA extraction kit were enriched with Gram-negative bacteria, whereas samples extracted with the Qiagen and MagMAX kits were enriched with Gram-positive bacteria. Bacterial profiles of samples prepared with the Qiagen and MagMAX DNA extraction kits were more similar, whereas samples prepared with the Norgen DNA extraction kit were significantly different from other groups.
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Affiliation(s)
- Darja Nikitina
- Laboratory of Clinical and Molecular Gastroenterology, Institute for Digestive Research, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Rokas Lukosevicius
- Laboratory of Clinical and Molecular Gastroenterology, Institute for Digestive Research, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Deimante Tilinde
- Laboratory of Clinical and Molecular Gastroenterology, Institute for Digestive Research, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Tomas Muskieta
- Laboratory of Clinical and Molecular Gastroenterology, Institute for Digestive Research, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Johannes Roksund Hov
- Norwegian PSC Research Center, Department of Transplantation Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital, Oslo, Norway
- Research Institute of Internal Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital, Oslo, Norway
- Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Section of Gastroenterology, Department of Transplantation Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital, Oslo, Norway
| | - Espen Melum
- Norwegian PSC Research Center, Department of Transplantation Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital, Oslo, Norway
- Research Institute of Internal Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital, Oslo, Norway
- Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Section of Gastroenterology, Department of Transplantation Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital, Oslo, Norway
- Faculty of Medicine, Hybrid Technology Hub Centre of Excellence, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Janis Klovins
- Latvian Biomedical Research and Study Center, Riga, Latvia
| | - Elin Org
- Institute of Genomics, Estonian Genome Centre, University of Tartu, Tartu, Estonia
| | - Gediminas Kiudelis
- Laboratory of Clinical and Molecular Gastroenterology, Institute for Digestive Research, Lithuanian University of Health Sciences, Kaunas, Lithuania
- Department of Gastroenterology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Juozas Kupcinskas
- Laboratory of Clinical and Molecular Gastroenterology, Institute for Digestive Research, Lithuanian University of Health Sciences, Kaunas, Lithuania
- Department of Gastroenterology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Jurgita Skieceviciene
- Laboratory of Clinical and Molecular Gastroenterology, Institute for Digestive Research, Lithuanian University of Health Sciences, Kaunas, Lithuania
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13
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van der Leest P, Schuuring E. Critical Factors in the Analytical Work Flow of Circulating Tumor DNA-Based Molecular Profiling. Clin Chem 2024; 70:220-233. [PMID: 38175597 DOI: 10.1093/clinchem/hvad194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Accepted: 10/30/2023] [Indexed: 01/05/2024]
Abstract
BACKGROUND Liquid biopsy testing, especially molecular tumor profiling of circulating tumor DNA (ctDNA) in cell-free plasma, has received increasing interest in recent years as it serves as a reliable alternative for the detection of tumor-specific aberrations to guide treatment decision-making in oncology. Many (commercially available) applications have been developed, however, broad divergences in (pre)analytical work flows and lack of universally applied guidelines impede routine clinical implementation. In this review, critical factors in the blood-based ctDNA liquid biopsy work flow are evaluated. CONTENT In the preanalytical phase, several aspects (e.g., blood collection tubes [BCTs], plasma processing, and extraction method) affect the quantity and quality of the circulating cell-free DNA (ccfDNA) applicable for subsequent molecular analyses and should meet certain standards to be applied in diagnostic work flows. Analytical considerations, such as analytical input and choice of assay, might vary based on the clinical application (i.e., screening, primary diagnosis, minimal residual disease [MRD], response monitoring, and resistance identification). In addition to practical procedures, variant interpretation and reporting ctDNA results should be harmonized. Collaborative efforts in (inter)national consortia and societies are essential for the establishment of standard operating procedures (SOPs) in attempts to standardize the plasma-based ctDNA analysis work flow. SUMMARY Development of universally applicable guidelines regarding the critical factors in liquid biopsy testing are necessary to pave the way to clinical implementation for routine diagnostics.
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Affiliation(s)
- Paul van der Leest
- Department of Pathology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
- Department of Laboratory Medicine, Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Ed Schuuring
- Department of Pathology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
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14
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Chang L, Wang D, Han Y, Diao Z, Chen Y, Li J, Zhang R. External quality assessment for detection of colorectal cancer by Septin9 DNA methylation in clinical laboratories. Clin Chim Acta 2024; 552:117663. [PMID: 38008152 DOI: 10.1016/j.cca.2023.117663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 10/28/2023] [Accepted: 11/15/2023] [Indexed: 11/28/2023]
Abstract
BACKGROUND AND AIMS The incidence and mortality rate of colorectal cancer (CRC) are increasing worldwide. Septin9 methylated (mSEPT9) DNA in circulation can be used as a non-invasive detection method to assist in the early diagnosis of CRC; however, the detection methods and procedures are complicated. This study aimed to evaluate the ability of clinical laboratories to detect Septin9 methylation in plasma cell-free DNA (cfDNA). MATERIALS AND METHODS We prepared a sample panel consisting of positive and negative Septin9 methylation cells and CRC cells. Three positive samples with different methylation levels, one negative sample and one duplicate sample, two samples containing interference, three different CRC cell samples, and a fictitious case report were included. The panel was distributed to 59 laboratories for mSEPT9 analysis, result comparison, and scoring. RESULTS The sample panel, validated by National Medical Products Administration (NMPA)-approved tests and targeted bisulfite sequencing, met expectations and could be used for external quality assessment (EQA). Among the 59 laboratories, 55 (93.22%) correctly reported the mSEPT9 results for all samples, while four (6.79%) reported 15 false negatives and were considered improvable. All false negatives originated from four laboratories using laboratory-developed tests (LDTs), with three failing to detect weakly positive samples, samples containing interference, and samples from different CRC cells, and one reported erroneous results on all positive samples. CONCLUSION Our results illustrated that the detection of mSEPT9 in cfDNA is satisfactory in China. EQA is indispensable because it can help improve the diagnostic capability and quality management of the laboratories, and provide suggestions for the problems existing in mSEPT9 detection.
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Affiliation(s)
- Lu Chang
- National Center for Clinical Laboratories, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology, P.R. China; National Center for Clinical Laboratories, Chinese Academy of Medical Sciences & Peking Union Medical College, P.R. China; Beijing Engineering Research Center of Laboratory Medicine, Beijing, P.R. China
| | - Duo Wang
- National Center for Clinical Laboratories, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology, P.R. China; National Center for Clinical Laboratories, Chinese Academy of Medical Sciences & Peking Union Medical College, P.R. China; Beijing Engineering Research Center of Laboratory Medicine, Beijing, P.R. China
| | - Yanxi Han
- National Center for Clinical Laboratories, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology, P.R. China; Beijing Engineering Research Center of Laboratory Medicine, Beijing, P.R. China
| | - Zhenli Diao
- National Center for Clinical Laboratories, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology, P.R. China; National Center for Clinical Laboratories, Chinese Academy of Medical Sciences & Peking Union Medical College, P.R. China; Beijing Engineering Research Center of Laboratory Medicine, Beijing, P.R. China
| | - Yuqing Chen
- National Center for Clinical Laboratories, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology, P.R. China; National Center for Clinical Laboratories, Chinese Academy of Medical Sciences & Peking Union Medical College, P.R. China; Beijing Engineering Research Center of Laboratory Medicine, Beijing, P.R. China
| | - Jinming Li
- National Center for Clinical Laboratories, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology, P.R. China; National Center for Clinical Laboratories, Chinese Academy of Medical Sciences & Peking Union Medical College, P.R. China; Beijing Engineering Research Center of Laboratory Medicine, Beijing, P.R. China.
| | - Rui Zhang
- National Center for Clinical Laboratories, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology, P.R. China; National Center for Clinical Laboratories, Chinese Academy of Medical Sciences & Peking Union Medical College, P.R. China; Beijing Engineering Research Center of Laboratory Medicine, Beijing, P.R. China.
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15
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Devonshire A, Jones G, Gonzalez AF, Kofanova O, Trouet J, Pinzani P, Gelmini S, Bonin S, Foy C. Interlaboratory evaluation of quality control methods for circulating cell-free DNA extraction. N Biotechnol 2023; 78:13-21. [PMID: 37730172 DOI: 10.1016/j.nbt.2023.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 09/07/2023] [Accepted: 09/17/2023] [Indexed: 09/22/2023]
Abstract
Analysis of circulating cell-free DNA (ccfDNA) isolated from liquid biopsies is rapidly being implemented into clinical practice. However, diagnostic accuracy is significantly impacted by sample quality and standardised approaches for assessing the quality of ccfDNA are not yet established. In this study we evaluated the application of nucleic acid "spike-in" control materials to aid quality control (QC) and standardisation of cfDNA isolation for use in in vitro diagnostic assays. We describe an approach for the design and characterisation of in-process QC materials, illustrating it with a spike-in material containing an exogenous Arabidopsis sequence and DNA fragments approximating to ccfDNA and genomic DNA lengths. Protocols for inclusion of the spike-in material in plasma ccfDNA extraction and quantification of its recovery by digital PCR (dPCR) were assessed for their suitability for process QC in an inter-laboratory study between five expert laboratories, using a range of blood collection devices and ccfDNA extraction methods. The results successfully demonstrated that spiking plasmid-derived material into plasma did not deleteriously interfere with endogenous ccfDNA recovery. The approach performed consistently across a range of commonly-used extraction protocols and was able to highlight differences in efficiency and variability between the methods, with the dPCR quantification assay performing with good repeatability (generally CV <5%). We conclude that initial findings demonstrate that this approach appears "fit for purpose" and spike-in recovery can be combined with other extraction QC metrics for monitoring the performance of a process over time, or in the context of external quality assessment.
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Affiliation(s)
- Alison Devonshire
- Molecular and Cell Biology Team, National Measurement Laboratory (NML), LGC, Teddington, Middlesex, UK.
| | - Gerwyn Jones
- Molecular and Cell Biology Team, National Measurement Laboratory (NML), LGC, Teddington, Middlesex, UK
| | - Ana Fernandez Gonzalez
- Molecular and Cell Biology Team, National Measurement Laboratory (NML), LGC, Teddington, Middlesex, UK
| | - Olga Kofanova
- Integrated BioBank of Luxembourg (IBBL), Luxembourg Institute of Health (LIH), 1, rue Louis Rech, L-3555 Dudelange, Luxembourg
| | - Johanna Trouet
- Integrated BioBank of Luxembourg (IBBL), Luxembourg Institute of Health (LIH), 1, rue Louis Rech, L-3555 Dudelange, Luxembourg
| | - Pamela Pinzani
- Department of Clinical and Experimental Biomedical Sciences, University of Florence, Florence, Italy
| | - Stefania Gelmini
- Department of Clinical and Experimental Biomedical Sciences, University of Florence, Florence, Italy
| | - Serena Bonin
- DSM-Dept. Medical Sciences, University of Trieste, Trieste, Italy
| | - Carole Foy
- Molecular and Cell Biology Team, National Measurement Laboratory (NML), LGC, Teddington, Middlesex, UK
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16
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Kresse SH, Brandt-Winge S, Pharo H, Flatin BTB, Jeanmougin M, Vedeld HM, Lind GE. Evaluation of commercial kits for isolation and bisulfite conversion of circulating cell-free tumor DNA from blood. Clin Epigenetics 2023; 15:151. [PMID: 37710283 PMCID: PMC10503171 DOI: 10.1186/s13148-023-01563-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 09/05/2023] [Indexed: 09/16/2023] Open
Abstract
BACKGROUND DNA methylation biomarkers in circulating cell-free DNA (cfDNA) have great clinical potential for cancer management. Most methods for DNA methylation analysis require bisulfite conversion, causing DNA degradation and loss. This is particularly challenging for cfDNA, which is naturally fragmented and normally present in low amounts. The aim of the present study was to identify an optimal combination of cfDNA isolation and bisulfite conversion kits for downstream analysis of DNA methylation biomarkers in plasma. RESULTS Of the five tested bisulfite conversion kits (EpiJET Bisulfite Conversion Kit, EpiTect Plus DNA Bisulfite Kit (EpiTect), EZ DNA Methylation-Direct Kit, Imprint DNA Modification Kit (Imprint) and Premium Bisulfite Kit), the highest and lowest DNA yield and recovery were achieved using the EpiTect kit and the Imprint kit, respectively, with more than double the amount of DNA for the EpiTect kit. Of the three tested cfDNA isolation kits (Maxwell RSC ccfDNA Plasma Kit, QIAamp Circulating Nucleic Acid Kit (CNA) and QIAamp MinElute ccfDNA Mini Kit), the CNA kit yielded around twice as much cfDNA compared to the two others kits, although with more high molecular weight DNA present. When comparing various combinations of cfDNA isolation kits and bisulfite conversion kits, the CNA kit and the EpiTect kit were identified as the best-performing combination, resulting in the highest yield of bisulfite converted cfDNA from normal plasma, as measured by droplet digital PCR (ddPCR). As a proof of principle, this kit combination was used to process plasma samples from 13 colorectal cancer patients for subsequent ddPCR methylation analysis of BCAT1 and IKZF1. Methylation of BCAT1 and/or IKZF1 was identified in 6/10 (60%) stage IV patients and 1/3 (33%) stage III patients. CONCLUSIONS Based on a thorough evaluation of five bisulfite conversion kits and three cfDNA isolation kits, both individually and in combination, the CNA kit and the EpiTect kit were identified as the best-performing kit combination, with highest DNA yield and recovery across a range of DNA input amounts. The combination was successfully used for detection of clinically relevant DNA methylation biomarkers in plasma from cancer patients.
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Affiliation(s)
- Stine H Kresse
- Department of Molecular Oncology, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, Montebello, 0379, Oslo, Norway
| | - Sara Brandt-Winge
- Department of Molecular Oncology, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, Montebello, 0379, Oslo, Norway
| | - Heidi Pharo
- Department of Molecular Oncology, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, Montebello, 0379, Oslo, Norway
| | - Bjørnar T B Flatin
- Department of Molecular Oncology, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, Montebello, 0379, Oslo, Norway
| | - Marine Jeanmougin
- Department of Molecular Oncology, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, Montebello, 0379, Oslo, Norway
| | - Hege Marie Vedeld
- Department of Molecular Oncology, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, Montebello, 0379, Oslo, Norway
| | - Guro E Lind
- Department of Molecular Oncology, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, Montebello, 0379, Oslo, Norway.
- Department of Biosciences, Faculty of Mathematics and Natural Sciences, University of Oslo, Oslo, Norway.
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17
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Pancrazzi A, Bloise F, Moncada A, Perticucci R, Vecchietti S, Pompili F, Ricciarini F, Lenzi S, Gatteschi C, Giusti S, Rosito MP, Del Buono S, Belardi P, Bruni A, Borri F, Campione A, Laurini L, Occhini R, Presenti L, Viticchi V, Rossi M, Bardi S, D'Urso A, Dei S, Venezia D, Scala R, Bengala C, Decarli NL, Carnevali A, Milandri C, Ognibene A. BL-MOL-AR Project, Preliminary Results about Liquid Biopsy: Molecular Approach Experience and Research Activity in Oncological Settings. Glob Med Genet 2023; 10:172-187. [PMID: 37457625 PMCID: PMC10348843 DOI: 10.1055/s-0043-1771193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2023] Open
Abstract
Background Liquid biopsy is mainly used to identify tumor cells in pulmonary neoplasms. It is more often used in research than in clinical practice. The BL-MOL-AR study aims to investigate the efficacy of next-generation sequencing (NGS) and clinical interpretation of the circulating free DNA (cfDNA) levels. This study reports the preliminary results from the first samples analyzed from patients affected by various neoplasms: lung, intestinal, mammary, gastric, biliary, and cutaneous. Methods The Biopsia Liquida-Molecolare-Arezzo study aims to enroll cancer patients affected by various malignancies, including pulmonary, intestinal, advanced urothelial, biliary, breast, cutaneous, and gastric malignancies. Thirty-nine patients were included in this preliminary report. At time zero, a liquid biopsy is executed, and two types of NGS panels are performed, comprising 17 genes in panel 1, which is already used in the routine tissue setting, and 52 genes in panel 2. From the 7th month after enrollment, 10 sequential liquid biopsies are performed up to the 17th month. The variant allele frequency (%) and cfDNA levels (ng/mL) are measured in every plasmatic sample. Results The NGS results obtained by different panels are similar even though the number of mutations is more concordant for lung pathologies. There are no significant differences in the actionability levels of the identified variants. Most of the molecular profiles of liquid biopsies reflect tissue data. Conclusions Preliminary data from this study confirm the need to clarify the limitations and potential of liquid biopsy beyond the lung setting. Overall, parameters related to cfDNA levels and variant allele frequency could provide important indications for prognosis and disease monitoring.
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Affiliation(s)
- Alessandro Pancrazzi
- Laboratory Medicine Department, Clinical and Molecular Pathology Sector, San Donato Hospital, Arezzo, Italy
| | - Francesco Bloise
- Oncology Department, Unit of Medical Oncology, San Donato Hospital, Arezzo, Italy
| | - Alice Moncada
- Laboratory Medicine Department, Clinical and Molecular Pathology Sector, San Donato Hospital, Arezzo, Italy
| | - Roberta Perticucci
- Laboratory Medicine Department, Clinical and Molecular Pathology Sector, San Donato Hospital, Arezzo, Italy
| | - Stefania Vecchietti
- Laboratory Medicine Department, Clinical and Molecular Pathology Sector, San Donato Hospital, Arezzo, Italy
| | - Francesca Pompili
- Laboratory Medicine Department, Clinical and Molecular Pathology Sector, San Donato Hospital, Arezzo, Italy
| | - Francesca Ricciarini
- Laboratory Medicine Department, Clinical and Molecular Pathology Sector, San Donato Hospital, Arezzo, Italy
| | - Silvia Lenzi
- Laboratory Medicine Department, Clinical and Molecular Pathology Sector, San Donato Hospital, Arezzo, Italy
| | - Cristina Gatteschi
- Laboratory Medicine Department, Clinical and Molecular Pathology Sector, San Donato Hospital, Arezzo, Italy
| | - Sabrina Giusti
- Oncology Department, Unit of Medical Oncology, San Donato Hospital, Arezzo, Italy
| | - Maria Pia Rosito
- Oncology Department, Unit of Medical Oncology, San Donato Hospital, Arezzo, Italy
| | - Sabrina Del Buono
- Oncology Department, Unit of Medical Oncology, San Donato Hospital, Arezzo, Italy
| | - Paola Belardi
- Oncology Department, Unit of Medical Oncology, San Donato Hospital, Arezzo, Italy
| | - Alessandra Bruni
- Oncology Department, Pathological Anatomy Laboratory, San Donato Hospital, Italy
| | - Filippo Borri
- Oncology Department, Pathological Anatomy Laboratory, San Donato Hospital, Italy
| | - Andrea Campione
- Oncology Department, Pathological Anatomy Laboratory, San Donato Hospital, Italy
| | - Lorella Laurini
- Oncology Department, Pathological Anatomy Laboratory, San Donato Hospital, Italy
| | - Rossella Occhini
- Oncology Department, Pathological Anatomy Laboratory, San Donato Hospital, Italy
| | - Loretta Presenti
- Oncology Department, Pathological Anatomy Laboratory, San Donato Hospital, Italy
| | - Viviana Viticchi
- Oncology Department, Pathological Anatomy Laboratory, San Donato Hospital, Italy
| | - Maja Rossi
- Laboratory Medicine Department, Clinical and Molecular Pathology Sector, Misericordia Hospital, Grosseto, Italy
| | - Sara Bardi
- Laboratory Medicine Department, Clinical and Molecular Pathology Sector, Misericordia Hospital, Grosseto, Italy
| | - Antonio D'Urso
- General Management, Local Health Unit South-East Tuscany, Tuscany, Italy
| | - Simona Dei
- General Management, Local Health Unit South-East Tuscany, Tuscany, Italy
| | - Duccio Venezia
- Diagnostic Imaging Department, Radiology Unit, San Donato Hospital, Arezzo, Italy
| | - Raffaele Scala
- Cardio Thoracic Neuro Vascular Department, Pneumology Unit, San Donato Hospital, Arezzo, Italy
| | - Carmelo Bengala
- Oncology Department, Unit of Medical Oncology, Misericordia Hospital, Grosseto, Italy
| | - Nicola Libertà Decarli
- Oncology Department, Pathological Anatomy Laboratory, Misericordia Hospital, Grosseto, Italy
| | - Andrea Carnevali
- Oncology Department, Pathological Anatomy Laboratory, San Donato Hospital, Italy
| | - Carlo Milandri
- Oncology Department, Unit of Medical Oncology, San Donato Hospital, Arezzo, Italy
| | - Agostino Ognibene
- Laboratory Medicine Department, Clinical and Molecular Pathology Sector, San Donato Hospital, Arezzo, Italy
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18
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Santini D, Botticelli A, Galvano A, Iuliani M, Incorvaia L, Gristina V, Taffon C, Foderaro S, Paccagnella E, Simonetti S, Fazio F, Scagnoli S, Pomati G, Pantano F, Perrone G, De Falco E, Russo A, Spinelli GP. Network approach in liquidomics landscape. J Exp Clin Cancer Res 2023; 42:193. [PMID: 37542343 PMCID: PMC10401883 DOI: 10.1186/s13046-023-02743-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 06/27/2023] [Indexed: 08/06/2023] Open
Abstract
Tissue-based biopsy is the present main tool to explore the molecular landscape of cancer, but it also has many limits to be frequently executed, being too invasive with the risk of side effects. These limits and the ability of cancer to constantly evolve its genomic profile, have recently led to the need of a less invasive and more accurate alternative, such as liquid biopsy. By searching Circulating Tumor Cells and residues of their nucleic acids or other tumor products in body fluids, especially in blood, but also in urine, stools and saliva, liquid biopsy is becoming the future of clinical oncology. Despite the current lack of a standardization for its workflows, that makes it hard to be reproduced, liquid biopsy has already obtained promising results for cancer screening, diagnosis, prognosis, and risk of recurrence.Through a more accessible molecular profiling of tumors, it could become easier to identify biomarkers predictive of response to treatment, such as EGFR mutations in non-small cell lung cancer and KRAS mutations in colorectal cancer, or Microsatellite Instability and Mismatch Repair as predictive markers of pembrolizumab response.By monitoring circulating tumor DNA in longitudinal repeated sampling of blood we could also predict Minimal Residual Disease and the risk of recurrence in already radically resected patients.In this review we will discuss about the current knowledge of limitations and strengths of the different forms of liquid biopsies for its inclusion in normal cancer management, with a brief nod to their newest biomarkers and its future implications.
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Affiliation(s)
- Daniele Santini
- Oncologia Medica A, Policlinico Umberto 1, La Sapienza Università Di Roma, Rome, Italy
| | - Andrea Botticelli
- Oncologia Medica A, Policlinico Umberto 1, La Sapienza Università Di Roma, Rome, Italy
| | - Antonio Galvano
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, Palermo, Italy
| | - Michele Iuliani
- Medical Oncology, Fondazione Policlinico Universitario Campus Bio-Medico, Department of Medicine and Surgery, Università Campus Bio-Medico Di Roma, Selcetta, Italy
| | - Lorena Incorvaia
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, Palermo, Italy
| | - Valerio Gristina
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, Palermo, Italy
| | - Chiara Taffon
- Anatomical Pathology Operative Research Unit, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy
- Department of Medicine and Surgery, Research Unit of Anatomical Pathology, Università Campus Bio-Medico Di Roma, Rome, Italy
| | - Simone Foderaro
- Medical Oncology, Fondazione Policlinico Universitario Campus Bio-Medico, Department of Medicine and Surgery, Università Campus Bio-Medico Di Roma, Selcetta, Italy
| | - Elisa Paccagnella
- Department of Medical Surgical Sciences and Biotechnologies, Sapienza University of Rome, C.So Della Repubblica 79, 04100, Latina, Italy
| | - Sonia Simonetti
- Medical Oncology, Fondazione Policlinico Universitario Campus Bio-Medico, Department of Medicine and Surgery, Università Campus Bio-Medico Di Roma, Selcetta, Italy
| | - Federico Fazio
- UOC Oncologia Territoriale, Polo Pontino, La Sapienza Università Di Roma, Latina, Italy.
| | - Simone Scagnoli
- Oncologia Medica A, Policlinico Umberto 1, La Sapienza Università Di Roma, Rome, Italy
| | | | - Francesco Pantano
- Medical Oncology, Fondazione Policlinico Universitario Campus Bio-Medico, Department of Medicine and Surgery, Università Campus Bio-Medico Di Roma, Selcetta, Italy
| | - Giuseppe Perrone
- Anatomical Pathology Operative Research Unit, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy
- Department of Medicine and Surgery, Research Unit of Anatomical Pathology, Università Campus Bio-Medico Di Roma, Rome, Italy
| | - Elena De Falco
- Department of Medical Surgical Sciences and Biotechnologies, Sapienza University of Rome, C.So Della Repubblica 79, 04100, Latina, Italy
- Mediterranea Cardiocentro, 80122, Naples, Italy
| | - Antonio Russo
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, Palermo, Italy
| | - Gian Paolo Spinelli
- UOC Oncologia Territoriale, Polo Pontino, La Sapienza Università Di Roma, Latina, Italy
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19
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Xue Y, Huang C, Pei B, Wang Z, Dai Y. An overview of DNA methylation markers for early detection of gastric cancer: current status, challenges, and prospects. Front Genet 2023; 14:1234645. [PMID: 37560387 PMCID: PMC10407555 DOI: 10.3389/fgene.2023.1234645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 07/17/2023] [Indexed: 08/11/2023] Open
Abstract
Background: Gastric cancer (GC) is one of the most common malignancies, with a low 5-year survival rate. However, if diagnosed at an early stage, it can be cured by endoscopic treatment and has a good prognosis. While gastrointestinal X-ray and upper endoscopy are used as national GC screening methods in some GC high-risk countries, such as Japan and Korea, their radiation exposure, invasiveness, and high cost suggest that they are not the optimal tools for early detection of GC in many countries. Therefore, a cost-effective, and highly accurate method for GC early detection is urgently needed in clinical settings. DNA methylation plays a key role in cancer progression and metastasis and has been demonstrated as a promising marker for cancer early detection. Aims and methods: This review provides a comprehensive overview of the current status of DNA methylation markers associated with GC, the assays developed for GC early detection, challenges in methylation marker discovery and application, and the future prospects of utilizing methylation markers for early detection of GC. Through our analysis, we found that the currently reported DNA methylation markers related to GC are mainly in the early discovery stage. Most of them have only been evaluated in tissue samples. The majority of non-invasive assays developed based on blood lack standardized sampling protocols, pre-analytical procedures, and multicenter validation, and they exhibit insufficient sensitivity for early-stage GC detection. Meanwhile, the reported GC DNA methylation markers are generally considered pan-cancer markers. Conclusion: Therefore, future endeavors should focus on identifying additional methylation markers specific to GC and establishing non-invasive diagnostic assays that rely on these markers. These assays should undergo multicenter, large-scale prospective validation in diverse populations.
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Affiliation(s)
- Ying Xue
- The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
| | - Chao Huang
- The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
| | - Bing Pei
- Department of Clinical Laboratory, The Affiliated Suqian First People’s Hospital of Nanjing Medical University, Suqian, Jiangsu, China
| | - ZhenZhen Wang
- Department of Laboratory Medicine, Affiliated Xuzhou Maternity and Child Healthcare Hospital of Xuzhou Medical University, Xuzhou, China
| | - Yanmiao Dai
- Department of Spleen and Stomach Diseases, Kunshan Hospital of Traditional Chinese Medicine, Kunshan, China
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20
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Meriranta L, Pitkänen E, Leppä S. Blood has never been thicker: Cell-free DNA fragmentomics in the liquid biopsy toolbox of B-cell lymphomas. Semin Hematol 2023; 60:132-141. [PMID: 37455222 DOI: 10.1053/j.seminhematol.2023.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/30/2023] [Accepted: 06/24/2023] [Indexed: 07/18/2023]
Abstract
Liquid biopsies utilizing plasma circulating tumor DNA (ctDNA) are anticipated to revolutionize decision-making in cancer care. In the field of lymphomas, ctDNA-based blood tests represent the forefront of clinically applicable tools to harness decades of genomic research for disease profiling, quantification, and detection. More recently, the discovery of nonrandom fragmentation patterns in cell-free DNA (cfDNA) has opened another avenue of liquid biopsy research beyond mutational interrogation of ctDNA. Through examination of structural features, nucleotide content, and genomic distribution of massive numbers of plasma cfDNA molecules, the study of fragmentomics aims at identifying new tools that augment existing ctDNA-based analyses and discover new ways to profile cancer from blood tests. Indeed, the characterization of aberrant lymphoma ctDNA fragment patterns and harnessing them with powerful machine-learning techniques are expected to unleash the potential of nonmutant molecules for liquid biopsy purposes. In this article, we review cfDNA fragmentomics as an emerging approach in the ctDNA research of B-cell lymphomas. We summarize the biology behind the formation of cfDNA fragment patterns and discuss the preanalytical and technical limitations faced with current methodologies. Then we go through the advances in the field of lymphomas and envision what other noninvasive tools based on fragment characteristics could be explored. Last, we place fragmentomics as one of the facets of ctDNA analyses in emerging multiview and multiomics liquid biopsies. We pay attention to the unknowns in the field of cfDNA fragmentation biology that warrant further mechanistic investigation to provide rational background for the development of these precision oncology tools and understanding of their limitations.
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Affiliation(s)
- Leo Meriranta
- Applied Tumor Genomics, Research Programs Unit, Faculty of Medicine, University of Helsinki, Helsinki, Finland; Department of Oncology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland; iCAN Digital Precision Cancer Medicine Flagship, Helsinki, Finland.
| | - Esa Pitkänen
- Applied Tumor Genomics, Research Programs Unit, Faculty of Medicine, University of Helsinki, Helsinki, Finland; iCAN Digital Precision Cancer Medicine Flagship, Helsinki, Finland; Institute for Molecular Medicine Finland (FIMM), HILIFE, Helsinki, Finland
| | - Sirpa Leppä
- Applied Tumor Genomics, Research Programs Unit, Faculty of Medicine, University of Helsinki, Helsinki, Finland; Department of Oncology, Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland; iCAN Digital Precision Cancer Medicine Flagship, Helsinki, Finland.
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21
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Moser T, Kühberger S, Lazzeri I, Vlachos G, Heitzer E. Bridging biological cfDNA features and machine learning approaches. Trends Genet 2023; 39:285-307. [PMID: 36792446 DOI: 10.1016/j.tig.2023.01.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 01/10/2023] [Accepted: 01/19/2023] [Indexed: 02/15/2023]
Abstract
Liquid biopsies (LBs), particularly using circulating tumor DNA (ctDNA), are expected to revolutionize precision oncology and blood-based cancer screening. Recent technological improvements, in combination with the ever-growing understanding of cell-free DNA (cfDNA) biology, are enabling the detection of tumor-specific changes with extremely high resolution and new analysis concepts beyond genetic alterations, including methylomics, fragmentomics, and nucleosomics. The interrogation of a large number of markers and the high complexity of data render traditional correlation methods insufficient. In this regard, machine learning (ML) algorithms are increasingly being used to decipher disease- and tissue-specific signals from cfDNA. Here, we review recent insights into biological ctDNA features and how these are incorporated into sophisticated ML applications.
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Affiliation(s)
- Tina Moser
- Institute of Human Genetics, Diagnostic & Research Center for Molecular BioMedicine, Medical University of Graz, Neue Stiftingtalstrasse 6, 8010 Graz, Austria; Christian Doppler Laboratory for Liquid Biopsies for Early Detection of Cancer, Medical University of Graz, Graz, Austria
| | - Stefan Kühberger
- Institute of Human Genetics, Diagnostic & Research Center for Molecular BioMedicine, Medical University of Graz, Neue Stiftingtalstrasse 6, 8010 Graz, Austria; Christian Doppler Laboratory for Liquid Biopsies for Early Detection of Cancer, Medical University of Graz, Graz, Austria
| | - Isaac Lazzeri
- Institute of Human Genetics, Diagnostic & Research Center for Molecular BioMedicine, Medical University of Graz, Neue Stiftingtalstrasse 6, 8010 Graz, Austria; Christian Doppler Laboratory for Liquid Biopsies for Early Detection of Cancer, Medical University of Graz, Graz, Austria
| | - Georgios Vlachos
- Institute of Human Genetics, Diagnostic & Research Center for Molecular BioMedicine, Medical University of Graz, Neue Stiftingtalstrasse 6, 8010 Graz, Austria; Christian Doppler Laboratory for Liquid Biopsies for Early Detection of Cancer, Medical University of Graz, Graz, Austria
| | - Ellen Heitzer
- Institute of Human Genetics, Diagnostic & Research Center for Molecular BioMedicine, Medical University of Graz, Neue Stiftingtalstrasse 6, 8010 Graz, Austria; Christian Doppler Laboratory for Liquid Biopsies for Early Detection of Cancer, Medical University of Graz, Graz, Austria.
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22
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Metastatic Melanoma: Liquid Biopsy as a New Precision Medicine Approach. Int J Mol Sci 2023; 24:ijms24044014. [PMID: 36835424 PMCID: PMC9962821 DOI: 10.3390/ijms24044014] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/13/2023] [Accepted: 02/14/2023] [Indexed: 02/19/2023] Open
Abstract
Precision medicine has driven a major change in the treatment of many forms of cancer. The discovery that each patient is different and each tumor mass has its own characteristics has shifted the focus of basic and clinical research to the singular individual. Liquid biopsy (LB), in this sense, presents new scenarios in personalized medicine through the study of molecules, factors, and tumor biomarkers in blood such as circulating tumor cells (CTCs), circulating tumor DNA (ctDNA), exosomes and circulating tumor microRNAs (ct-miRNAs). Moreover, its easy application and complete absence of contraindications for the patient make this method applicable in a great many fields. Melanoma, given its highly heterogeneous characteristics, is a cancer form that could significantly benefit from the information linked to liquid biopsy, especially in the treatment management. In this review, we will focus our attention on the latest applications of liquid biopsy in metastatic melanoma and possible developments in the clinical setting.
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23
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Terp SK, Stoico MP, Dybkær K, Pedersen IS. Early diagnosis of ovarian cancer based on methylation profiles in peripheral blood cell-free DNA: a systematic review. Clin Epigenetics 2023; 15:24. [PMID: 36788585 PMCID: PMC9926627 DOI: 10.1186/s13148-023-01440-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 02/05/2023] [Indexed: 02/16/2023] Open
Abstract
Patients diagnosed with epithelial ovarian cancer (OC) have a 5-year survival rate of 49%. For early-stage disease, the 5-year survival rate is above 90%. However, advanced-stage disease accounts for most cases as patients with early stages often are asymptomatic or present with unspecific symptoms, highlighting the need for diagnostic tools for early diagnosis. Liquid biopsy is a minimal invasive blood-based approach that utilizes circulating tumor DNA (ctDNA) shed from tumor cells for real-time detection of tumor genetics and epigenetics. Increased DNA methylation of promoter regions is an early event during tumorigenesis, and the methylation can be detected in ctDNA, accentuating the promise of methylated ctDNA as a biomarker for OC diagnosis. Many studies have investigated multiple methylation biomarkers in ctDNA from plasma or serum for discriminating OC patients from patients with benign diseases of the ovaries and/or healthy females. This systematic review summarizes and evaluates the performance of the currently investigated DNA methylation biomarkers in blood-derived ctDNA for early diagnosis of OC. PubMed's MEDLINE and Elsevier's Embase were systematically searched, and essential results such as methylation frequency of OC cases and controls, performance measures, as well as preanalytical factors were extracted. Overall, 29 studies met the inclusion criteria for this systematic review. The most common method used for methylation analysis was methylation-specific PCR, with half of the studies using plasma and the other half using serum. RASSF1A, BRCA1, and OPCML were the most investigated gene-specific methylation biomarkers, with OPCML having the best performance measures. Generally, methylation panels performed better than single gene-specific methylation biomarkers, with one methylation panel of 103,456 distinct regions and 1,116,720 CpGs having better performance in both training and validation cohorts. However, the evidence is still limited, and the promising methylation panels, as well as gene-specific methylation biomarkers highlighted in this review, need validation in large, prospective cohorts with early-stage asymptomatic OC patients to assess the true diagnostic value in a clinical setting.
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Affiliation(s)
- Simone Karlsson Terp
- Department of Molecular Diagnostics, Aalborg University Hospital, 9000, Aalborg, Denmark.
- Department of Clinical Medicine, Aalborg University, 9000, Aalborg, Denmark.
| | - Malene Pontoppidan Stoico
- Department of Molecular Diagnostics, Aalborg University Hospital, 9000, Aalborg, Denmark
- Department of Clinical Medicine, Aalborg University, 9000, Aalborg, Denmark
| | - Karen Dybkær
- Department of Clinical Medicine, Aalborg University, 9000, Aalborg, Denmark
- Department of Hematology, Aalborg University Hospital, 9000, Aalborg, Denmark
- Clinical Cancer Research Center, Aalborg University Hospital, 9000, Aalborg, Denmark
| | - Inge Søkilde Pedersen
- Department of Molecular Diagnostics, Aalborg University Hospital, 9000, Aalborg, Denmark
- Department of Clinical Medicine, Aalborg University, 9000, Aalborg, Denmark
- Clinical Cancer Research Center, Aalborg University Hospital, 9000, Aalborg, Denmark
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24
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Schlenker F, Juelg P, Lüddecke J, Paust N, Zengerle R, Hutzenlaub T. Nanobead handling on a centrifugal microfluidic LabDisk for automated extraction of cell-free circulating DNA with high recovery rates. Analyst 2023; 148:932-941. [PMID: 36722841 DOI: 10.1039/d2an01820a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
cfDNA is an emerging biomarker with promising uses for the monitoring of cancer or infectious disease diagnostics. This work demonstrates a new concept for an automated cfDNA extraction with nanobeads as the solid phase in a centrifugal microfluidic LabDisk. By using a combination of centrifugal and magnetic forces, we retain the nanobeads in one incubation chamber while sequentially adding, incubating and removing the sample and pre-stored buffers for extraction. As the recovery rate of the typically low concentration of cfDNA is of high importance to attain sufficient amounts for analysis, optimal beadhandling is paramount. The goal is that the cfDNA in the sample adsorbs to the solid phase completely during the binding step, is retained during washing and completely removed during elution. In this work, we improved beadhandling by optimizing the incubation chamber geometry and both frequency and temperature protocols, to maximize recovery rates. For characterization of the extraction performance, synthetic mutant DNA was spiked into human plasma samples. The LabDisk showed better reproducibility in DNA recovery rates with a standard deviation of ±13% compared to a manual approach using spin-columns (±17%) or nanobeads (±26%). The extraction of colorectal cancer samples with both the developed LabDisk and a robotic automation instrument resulted in comparable allele frequencies. Consequently, we present a highly attractive solution for an automated liquid biopsy cfDNA extraction in a small benchtop device.
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Affiliation(s)
| | - Peter Juelg
- Hahn-Schickard, Georges-Koehler-Allee 103, 79110 Freiburg, Germany. .,Laboratory for MEMS Applications, IMTEK - Department of Microsystems Engineering, University of Freiburg, Georges-Koehler-Allee 103, 79110 Freiburg, Germany
| | - Jan Lüddecke
- Hahn-Schickard, Georges-Koehler-Allee 103, 79110 Freiburg, Germany. .,Laboratory for MEMS Applications, IMTEK - Department of Microsystems Engineering, University of Freiburg, Georges-Koehler-Allee 103, 79110 Freiburg, Germany
| | - Nils Paust
- Hahn-Schickard, Georges-Koehler-Allee 103, 79110 Freiburg, Germany. .,Laboratory for MEMS Applications, IMTEK - Department of Microsystems Engineering, University of Freiburg, Georges-Koehler-Allee 103, 79110 Freiburg, Germany
| | - Roland Zengerle
- Hahn-Schickard, Georges-Koehler-Allee 103, 79110 Freiburg, Germany. .,Laboratory for MEMS Applications, IMTEK - Department of Microsystems Engineering, University of Freiburg, Georges-Koehler-Allee 103, 79110 Freiburg, Germany
| | - Tobias Hutzenlaub
- Hahn-Schickard, Georges-Koehler-Allee 103, 79110 Freiburg, Germany. .,Laboratory for MEMS Applications, IMTEK - Department of Microsystems Engineering, University of Freiburg, Georges-Koehler-Allee 103, 79110 Freiburg, Germany
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25
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Lehle S, Emons J, Hack CC, Heindl F, Hein A, Preuß C, Seitz K, Zahn AL, Beckmann MW, Fasching PA, Ruebner M, Huebner H. Evaluation of automated techniques for extraction of circulating cell-free DNA for implementation in standardized high-throughput workflows. Sci Rep 2023; 13:373. [PMID: 36611077 PMCID: PMC9825368 DOI: 10.1038/s41598-022-27216-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 12/28/2022] [Indexed: 01/09/2023] Open
Abstract
Analysis of circulating cell-free DNA (ccfDNA) is a suitable tool for detecting somatic mutations for the purpose of making decisions on treatment, monitoring treatment response, and predicting survival. High-throughput techniques for ccfDNA extraction are essential to implementing ccfDNA testing in the clinical setting. We set out to compare two automated techniques with regard to hands-on time, ccfDNA output and integrity, and circulating mitochondrial DNA (mtDNA). CcfDNA was isolated using the EZ1&2 ccfDNA field test kit (EZ2 kit, QIAGEN) and the Maxwell RSC ccfDNA plasma kit (Maxwell kit, Promega). DNA was extracted from plasma of 30 breast cancer patients enrolled in the iMODE-B (#325_19B; 12.10.2020) study. Real-time PCR, fluorescence-based detection and automated electrophoresis were used to assess ccfDNA concentrations. The ccfDNA yield was significantly higher when extracted with the EZ2 kit. The EZ2 kit enabled the isolation of a higher proportion of short fragments and a lower proportion of long fragments, resulting in lower DNA integrity. Significantly lower mtDNA quantities were detected in the Maxwell eluate than in the EZ2 eluate. Thus, decisions on which extraction method to use should proceed on the basis of the required input for downstream applications, the anticipated fragment size and minimum hands-on time.
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Affiliation(s)
- Sarah Lehle
- grid.411668.c0000 0000 9935 6525Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-EMN, Erlangen University Hospital, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Universitätsstrasse 21-23, 91054 Erlangen, Germany
| | - Julius Emons
- grid.411668.c0000 0000 9935 6525Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-EMN, Erlangen University Hospital, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Universitätsstrasse 21-23, 91054 Erlangen, Germany
| | - Carolin C. Hack
- grid.411668.c0000 0000 9935 6525Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-EMN, Erlangen University Hospital, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Universitätsstrasse 21-23, 91054 Erlangen, Germany
| | - Felix Heindl
- grid.411668.c0000 0000 9935 6525Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-EMN, Erlangen University Hospital, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Universitätsstrasse 21-23, 91054 Erlangen, Germany
| | - Alexander Hein
- grid.411668.c0000 0000 9935 6525Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-EMN, Erlangen University Hospital, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Universitätsstrasse 21-23, 91054 Erlangen, Germany
| | - Caroline Preuß
- grid.411668.c0000 0000 9935 6525Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-EMN, Erlangen University Hospital, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Universitätsstrasse 21-23, 91054 Erlangen, Germany
| | - Katharina Seitz
- grid.411668.c0000 0000 9935 6525Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-EMN, Erlangen University Hospital, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Universitätsstrasse 21-23, 91054 Erlangen, Germany
| | - Anna L. Zahn
- grid.411668.c0000 0000 9935 6525Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-EMN, Erlangen University Hospital, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Universitätsstrasse 21-23, 91054 Erlangen, Germany
| | - Matthias W. Beckmann
- grid.411668.c0000 0000 9935 6525Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-EMN, Erlangen University Hospital, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Universitätsstrasse 21-23, 91054 Erlangen, Germany
| | - Peter A. Fasching
- grid.411668.c0000 0000 9935 6525Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-EMN, Erlangen University Hospital, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Universitätsstrasse 21-23, 91054 Erlangen, Germany
| | - Matthias Ruebner
- grid.411668.c0000 0000 9935 6525Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-EMN, Erlangen University Hospital, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Universitätsstrasse 21-23, 91054 Erlangen, Germany
| | - Hanna Huebner
- Department of Gynecology and Obstetrics, Comprehensive Cancer Center Erlangen-EMN, Erlangen University Hospital, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Universitätsstrasse 21-23, 91054, Erlangen, Germany.
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26
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Maurer K, Schandl CA. Liquid Biopsy for Advanced Cancer: An Amplicon-Based Massively Parallel Sequencing Panel Approach to Precision Oncology. Methods Mol Biol 2023; 2621:111-126. [PMID: 37041443 DOI: 10.1007/978-1-0716-2950-5_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/13/2023]
Abstract
Although discovered in the 1940s (Mandel and Metais, C R Seances Soc Biol Fil 142:241-243, 1948), cell-free DNA has only recently become a tool practical for use in clinical settings. The challenges associated with detection of circulating tumor DNA (ctDNA) in patient plasma are many and exist in the pre-analytical, analytical, and post-analytical periods. Initiation of a ctDNA program in a small academic clinical laboratory setting can be challenging. Thus, cost-effective, fast methods should be leveraged to promote a self-supporting system. Any assay should be based on clinical utility and have the potential to adapt in order to maintain relevance in a rapidly developing genomic landscape. Herein is described one of many approaches to ctDNA mutation testing - a massively parallel sequencing (MPS) method that is widely applicable and relatively easy to perform. Sensitivity and specificity are enhanced by unique molecular identification tagging and deep sequencing.
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Affiliation(s)
- Kristen Maurer
- Medical University of South Carolina, Charleston, SC, USA
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27
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Balla A, Bhak J, Biró O. The application of circulating tumor cell and cell-free DNA liquid biopsies in ovarian cancer. Mol Cell Probes 2022; 66:101871. [PMID: 36283501 DOI: 10.1016/j.mcp.2022.101871] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 10/19/2022] [Accepted: 10/19/2022] [Indexed: 11/06/2022]
Abstract
Ovarian cancer is the deadliest gynecological cancer. 70% of the cases are diagnosed at late stages with already developed metastases due to the absence of easily noticeable symptoms. Early-stage ovarian cancer has a good prognosis with a 5-year survival rate reaching 95%, hence the identification of effective biomarkers for early diagnosis is important. Advances in liquid biopsy-based methods can have a significant impact not just on the development of an efficient screening strategy, but also in clinical decision-making with additional molecular profiling and genetic alterations linked to therapy resistance. Despite the well-known advantages of liquid biopsy, there are still challenges that need to be addressed before its routine use in clinical practice. Various liquid biopsy-based biomarkers have been investigated in ovarian cancer; however, in this review, we are concentrating on the current use of cell-free DNA (cfDNA) and circulating tumor cells (CTCs) in disease management, focusing on their emerging importance in clinical practice. We also discuss the technical aspects of these workflows. The analysis of cfDNA is often chosen for the detection of mutations, copy number aberrations, and DNA methylation changes, whereas CTC analysis provides a unique opportunity to study whole cells, thus allowing DNA, RNA, and protein-based molecular profiling as well as in vivo studies. Combined solutions which merge the strengths of cfDNA and CTC approaches should be developed to maximize the potential of liquid biopsy technology.
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Affiliation(s)
- Abigél Balla
- Clinomics Europe Ltd., Budapest, Hungary; Semmelweis University, Károly Rácz Doctoral School of Clinical Medicine, Budapest, Hungary
| | - Jong Bhak
- Clinomics Inc. UNIST, Ulsan, 44916, Republic of Korea
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Tsering T, Li M, Chen Y, Nadeau A, Laskaris A, Abdouh M, Bustamante P, Burnier JV. EV-ADD, a database for EV-associated DNA in human liquid biopsy samples. J Extracell Vesicles 2022; 11:e12270. [PMID: 36271888 PMCID: PMC9587709 DOI: 10.1002/jev2.12270] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 08/20/2022] [Accepted: 09/06/2022] [Indexed: 11/06/2022] Open
Abstract
Extracellular vesicles (EVs) play a key role in cellular communication both in physiological conditions and in pathologies such as cancer. Emerging evidence has shown that EVs are active carriers of molecular cargo (e.g. protein and nucleic acids) and a powerful source of biomarkers and targets. While recent studies on EV‐associated DNA (EV‐DNA) in human biofluids have generated a large amount of data, there is currently no database that catalogues information on EV‐DNA. To fill this gap, we have manually curated a database of EV‐DNA data derived from human biofluids (liquid biopsy) and in‐vitro studies, called the Extracellular Vesicle‐Associated DNA Database (EV‐ADD). This database contains validated experimental details and data extracted from peer‐reviewed published literature. It can be easily queried to search for EV isolation methods and characterization, EV‐DNA isolation techniques, quality validation, DNA fragment size, volume of starting material, gene names and disease context. Currently, our database contains samples representing 23 diseases, with 13 different types of EV isolation techniques applied on eight different human biofluids (e.g. blood, saliva). In addition, EV‐ADD encompasses EV‐DNA data both representing the whole genome and specifically including oncogenes, such as KRAS, EGFR, BRAF, MYC, and mitochondrial DNA (mtDNA). An EV‐ADD data metric system was also integrated to assign a compliancy score to the MISEV guidelines based on experimental parameters reported in each study. While currently available databases document the presence of proteins, lipids, RNA and metabolites in EVs (e.g. Vesiclepedia, ExoCarta, ExoBCD, EVpedia, and EV‐TRACK), to the best of our knowledge, EV‐ADD is the first of its kind to compile all available EV‐DNA datasets derived from human biofluid samples. We believe that this database provides an important reference resource on EV‐DNA‐based liquid biopsy research, serving as a learning tool and to showcase the latest developments in the EV‐DNA field. EV‐ADD will be updated yearly as newly published EV‐DNA data becomes available and it is freely available at www.evdnadatabase.com.
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Affiliation(s)
- Thupten Tsering
- Cancer Research ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
| | - Mingyang Li
- Cancer Research ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
| | - Yunxi Chen
- Cancer Research ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
| | - Amélie Nadeau
- Cancer Research ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
| | - Alexander Laskaris
- Cancer Research ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
| | - Mohamed Abdouh
- Cancer Research ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
| | - Prisca Bustamante
- Cancer Research ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
| | - Julia V. Burnier
- Cancer Research ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
- Gerald Bronfman Department of OncologyMcGill UniversityMontrealQuebecCanada
- Experimental Pathology UnitDepartment of PathologyMcGill UniversityMontrealQuebecCanada
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Methodology established for the detection of circulating tumor DNA by hybridization capture. Biotechniques 2022; 73:151-158. [PMID: 36065956 DOI: 10.2144/btn-2022-0029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Roche's AVENIO ctDNA analysis kits and bioinformatics analysis (the AVENIO system) are accessible to all NGS laboratories. We have developed an approach, namely the Sec-Seq system, and compared the accuracy, sensitivity, repeatability and economic cost between the AVENIO system and the Sec-Seq system. Both methods share the comparable accuracy and sensitivity in detecting the variant allele frequency of 0.0005, while the Sec-Seq system shows better accuracy in detecting the variant allele frequency of 0.001. Furthermore, the Sec-Seq system displays a much better detection sensitivity than the AVENIO system. The Sec-Seq system has satisfactory performance in detecting the rare genetic variants in ctDNA with lower economic cost compared with the AVENIO system.
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Seong H, Park J, Bae M, Shin S. Rapid and Efficient Extraction of Cell-Free DNA Using Homobifunctional Crosslinkers. Biomedicines 2022; 10:biomedicines10081883. [PMID: 36009429 PMCID: PMC9405790 DOI: 10.3390/biomedicines10081883] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 07/31/2022] [Accepted: 08/01/2022] [Indexed: 11/25/2022] Open
Abstract
Since its discovery in circulating blood seven decades ago, cell-free DNA (cfDNA) has become a highly focused subject in cancer management using liquid biopsy. Despite its clinical utility, the extraction of cfDNA from blood has many technical difficulties, including a low efficiency of recovery and long processing times. We introduced a magnetic bead-based cfDNA extraction method using homobifunctional crosslinkers, including dimethyl suberimidate dihydrochloride (DMS). Owing to its bifunctional nature, DMS can bind to DNA through either covalent or electrostatic bonding. By adopting amine-conjugated magnetic beads, DMS–DNA complexes can be rapidly isolated from blood plasma. Using standard washing and eluting processes, we successfully extracted cfDNA from plasma within 10 min. This method yielded a 56% higher extraction efficiency than that of a commercial product (QIAamp kit). Furthermore, the instant binding mechanism of amine coupling between the microbeads and DMS–DNA complexes significantly reduced the processing time. These results highlight the potential of this magnetic bead-based homobifunctional crosslinker platform for extraction of cfDNA from blood plasma.
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Affiliation(s)
- HyeonAh Seong
- School of Mechanical engineering, Korea University, Seoul 02841, Korea
| | - Junsoo Park
- Department of Micro-Nano Engineering, Korea University, Seoul 02841, Korea
| | - Minju Bae
- School of Mechanical engineering, Korea University, Seoul 02841, Korea
| | - Sehyun Shin
- School of Mechanical engineering, Korea University, Seoul 02841, Korea
- Department of Micro-Nano Engineering, Korea University, Seoul 02841, Korea
- Engineering Research Center for Biofluid Biopsy, Seoul 02841, Korea
- Correspondence: ; Tel.: +82-10-4506-2825
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Wei J, Wang Y, Gao J, Li Z, Pang R, Zhai T, Ma Y, Wang Z, Meng X. Detection of BRAFV600E mutation of thyroid cancer in circulating tumor DNA by an electrochemical-enrichment assisted ARMS-qPCR assay. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Zhong H, Zeng L, Tao M, Ye Y, Wang Y, Hou L, Wu M, Liu H, Zhang H, Tang M. A novel method for extracting circulating cell-free DNA from whole blood samples and its utility in the non-invasive prenatal test. Prenat Diagn 2022; 42:1173-1181. [PMID: 35818872 PMCID: PMC9541415 DOI: 10.1002/pd.6212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 05/08/2022] [Accepted: 06/29/2022] [Indexed: 11/10/2022]
Abstract
OBJECTIVE We verified a magnetic bead-based, simple, and fast method for circulating cell-free DNA (cfDNA) extraction from whole blood samples(CEWB) and characterized its utility in non-invasive prenatal testing (NIPT). METHOD We extracted cfDNA from both plasma and whole blood of the patients using CEWB and compared it to that extracted using a Qiagen extraction kit; ddPCR test was used to calculate the fragment size bias. In all, 304 samples were used for NIPT. RESULTS The CEWB group [mean ± standard deviation (SD): 4.34 ± 0.41 ng/mL plasma] reported less DNA weight yield than the Qiagen group (4.90 ± 0.50 ng/mL plasma). There was no significant difference between the CEWB group and the Qiagen group in the gene fragments (136 bp: p=0.064 and 420 bp: p=0.534). In a parallel cohort study to characterise the utility of the CEWB method in NIPT, the treatment group extracted by CEWB showed a sensitivity of 100%, a specificity of 99.65%, and a positive predictive value of 95%. CONCLUSIONS This study demonstrated that CEWB achieves an acceptable yield of DNA without contamination from genomic DNA. Subsequent clinical experiments in a parallel cohort indicated its utility for NIPT. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Hongbin Zhong
- Clinical laboratory of BGI Health, BGI-Shenzhen, Shenzhen, 518083, China
| | - Liuhong Zeng
- Clinical laboratory of BGI Health, BGI-Shenzhen, Shenzhen, 518083, China
| | - Mengyuan Tao
- Clinical laboratory of BGI Health, BGI-Shenzhen, Shenzhen, 518083, China
| | - Yuchen Ye
- Clinical laboratory of BGI Health, BGI-Shenzhen, Shenzhen, 518083, China
| | - Yanqi Wang
- Clinical laboratory of BGI Health, BGI-Shenzhen, Shenzhen, 518083, China
| | - Lei Hou
- Clinical laboratory of BGI Health, BGI-Shenzhen, Shenzhen, 518083, China
| | - Miaofeng Wu
- Clinical laboratory of BGI Health, BGI-Shenzhen, Shenzhen, 518083, China
| | - Hui Liu
- Clinical laboratory of BGI Health, BGI-Shenzhen, Shenzhen, 518083, China
| | - Hongyun Zhang
- Clinical laboratory of BGI Health, BGI-Shenzhen, Shenzhen, 518083, China
| | - Meifang Tang
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, 518083, China.,Clinical laboratory of BGI Health, BGI-Shenzhen, Shenzhen, 518083, China
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Koo B, Kim Y, Jang YO, Liu H, Kim MG, Lee HJ, Woo MK, Kim C, Shin Y. A novel platform using homobifunctional hydrazide for enrichment and isolation of urinary circulating RNAs. Bioeng Transl Med 2022; 8:e10348. [PMID: 36684108 PMCID: PMC9842063 DOI: 10.1002/btm2.10348] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 04/22/2022] [Accepted: 05/06/2022] [Indexed: 01/25/2023] Open
Abstract
Changes in specific circulating RNA (circRNA) expressions can serve as diagnostic noninvasive biomarkers for prostate cancer (PCa). However, there are still unmet needs, such as unclear types and roles of circRNAs, PCa detection in benign prostatic hyperplasia (BPH) by unstandardized methods, and limitations of sample volume capacity and low circRNA concentrations. This study reports a simple and rapid circRNA enrichment and isolation technique named "HAZIS-CirR" for the analysis of urinary circRNAs. The method utilizes homobifunctional hydrazides with amine-modified zeolite and polyvinylidene fluoride (PVDF) syringe filtration for combining electrostatic and covalent coupling and size-based filtration, and it offers instrument-free isolation of circRNAs in 20 min without volume limitation, thermoregulation, and lysis. HAZIS-CirR has high capture efficiency (82.03%-92.38%) and a 10-fold more sensitive detection limit (20 fM) than before enrichment (200 fM). The clinical utility of HAZIS-CirR is confirmed by analyzing circulating mRNAs and circulating miRNAs in 89 urine samples. Furthermore, three miRNA panels that differentiate PCa from BPH and control, PCa from control, and BPH from control, respectively, are established by comparing miRNA levels. HAZIS-CirR will be used as an optimal and established method for the enrichment and isolation of circRNAs as diagnostic, prognostic, and predictive biomarkers in human cancers.
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Affiliation(s)
- Bonhan Koo
- Department of Biotechnology, College of Life Science and BiotechnologyYonsei UniversitySeodaemun‐gu, SeoulRepublic of Korea
| | - Yunlim Kim
- Department of Urology, Asan Medical CenterUniversity of Ulsan College of MedicineSongpa‐gu, SeoulRepublic of Korea
| | - Yoon Ok Jang
- Department of Biotechnology, College of Life Science and BiotechnologyYonsei UniversitySeodaemun‐gu, SeoulRepublic of Korea
| | - Huifang Liu
- Department of Biotechnology, College of Life Science and BiotechnologyYonsei UniversitySeodaemun‐gu, SeoulRepublic of Korea
| | - Myoung Gyu Kim
- Department of Biotechnology, College of Life Science and BiotechnologyYonsei UniversitySeodaemun‐gu, SeoulRepublic of Korea
| | - Hyo Joo Lee
- Department of Biotechnology, College of Life Science and BiotechnologyYonsei UniversitySeodaemun‐gu, SeoulRepublic of Korea
| | - Myung Kyun Woo
- Department of Biomedical EngineeringSchool of Electrical Engineering, University of UlsanNam‐gu, UlsanRepublic of Korea
| | - Choung‐Soo Kim
- Department of Urology, Asan Medical CenterUniversity of Ulsan College of MedicineSongpa‐gu, SeoulRepublic of Korea
- Department of UrologyEwha Womans University Mokdong HospitalYangcheon‐gu, SeoulRepublic of Korea
| | - Yong Shin
- Department of Biotechnology, College of Life Science and BiotechnologyYonsei UniversitySeodaemun‐gu, SeoulRepublic of Korea
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Shen N, Zhu B, Zhang W, Nian B, Xu X, Yu L, Ruan X, Chen S, Liu Y, Cao X, Shi X, Li Z, Huang X, Wang X, Chen C, Xiong L, Zhang D, Fu X, Zhang Y. Comprehensive Evaluation and Application of a Novel Method to Isolate Cell-Free DNA Derived From Bile of Biliary Tract Cancer Patients. Front Oncol 2022; 12:891917. [PMID: 35600407 PMCID: PMC9116272 DOI: 10.3389/fonc.2022.891917] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 03/29/2022] [Indexed: 12/24/2022] Open
Abstract
Cell-free DNA (cfDNA) exists in various types of bodily fluids, including plasma, urine, bile, and others. Bile cfDNA could serve as a promising liquid biopsy for biliary tract cancer (BTC) patients, as bile directly contacts tumors in the biliary tract system. However, there is no commercial kit or widely acknowledged method for bile cfDNA extraction. In this study, we established a silica-membrane-based method, namely 3D-BCF, for bile cfDNA isolation, exhibiting effective recovery of DNA fragments in the spike-in assay. We then compared the 3D-BCF method with four other commercial kits: the BIOG cfDNA Easy Kit (BIOG), QIAamp DNA Mini Kit (Qiagen), MagMAXTM Cell-Free DNA Isolation Kit (Thermo Fisher), and NORGEN Urine Cell-Free Circulating DNA Purification Mini Kit (Norgen Biotek). The proposed 3D-BCF method exhibited the highest cfDNA isolation efficiency (p < 0.0001) from patient bile samples, and bile cfDNA of short, medium or long fragments could all be extracted effectively. To test whether the extracted bile cfDNA from patients carries tumor-related genomic information, we performed next-generation sequencing on the cfDNA and verified the gene-mutation results by polymerase chain reaction (PCR)-Sanger chromatograms and copy-number-variation (CNV) detection by fluorescence in situ hybridization (FISH) of tumor tissues. The 3D-BCF method could efficiently extract cfDNA from bile samples, providing technical support for bile cfDNA as a promising liquid biopsy for BTC patient diagnosis and prognosis.
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Affiliation(s)
- Ningjia Shen
- Department of Biliary Surgery, Shanghai Eastern Hepatobiliary Surgery Hospital, Second Military Medical University/Navy Medical University, Shanghai, China
| | - Bin Zhu
- Department of Biliary Surgery, Shanghai Eastern Hepatobiliary Surgery Hospital, Second Military Medical University/Navy Medical University, Shanghai, China
| | | | | | | | - Lianghe Yu
- Department of Biliary Surgery, Shanghai Eastern Hepatobiliary Surgery Hospital, Second Military Medical University/Navy Medical University, Shanghai, China
| | - Xiang Ruan
- Department of Biliary Surgery, Shanghai Eastern Hepatobiliary Surgery Hospital, Second Military Medical University/Navy Medical University, Shanghai, China
| | | | - Yang Liu
- Department of Biliary Surgery, Shanghai Eastern Hepatobiliary Surgery Hospital, Second Military Medical University/Navy Medical University, Shanghai, China
| | | | - Xintong Shi
- Department of Biliary Surgery, Shanghai Eastern Hepatobiliary Surgery Hospital, Second Military Medical University/Navy Medical University, Shanghai, China
| | | | - Xingfeng Huang
- Department of Biliary Surgery, Shanghai Eastern Hepatobiliary Surgery Hospital, Second Military Medical University/Navy Medical University, Shanghai, China
| | - Xiang Wang
- Department of Biliary Surgery, Shanghai Eastern Hepatobiliary Surgery Hospital, Second Military Medical University/Navy Medical University, Shanghai, China
| | | | | | | | - Xiaohui Fu
- Department of Biliary Surgery, Shanghai Eastern Hepatobiliary Surgery Hospital, Second Military Medical University/Navy Medical University, Shanghai, China
| | - Yongjie Zhang
- Department of Biliary Surgery, Shanghai Eastern Hepatobiliary Surgery Hospital, Second Military Medical University/Navy Medical University, Shanghai, China
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Doculara L, Trahair TN, Bayat N, Lock RB. Circulating Tumor DNA in Pediatric Cancer. Front Mol Biosci 2022; 9:885597. [PMID: 35647029 PMCID: PMC9133724 DOI: 10.3389/fmolb.2022.885597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 04/25/2022] [Indexed: 11/13/2022] Open
Abstract
The measurement of circulating tumor DNA (ctDNA) has gained increasing prominence as a minimally invasive tool for the detection of cancer-specific markers in plasma. In adult cancers, ctDNA detection has shown value for disease-monitoring applications including tumor mutation profiling, risk stratification, relapse prediction, and treatment response evaluation. To date, there are ctDNA tests used as companion diagnostics for adult cancers and it is not understood why the same cannot be said about childhood cancer, despite the marked differences between adult and pediatric oncology. In this review, we discuss the current understanding of ctDNA as a disease monitoring biomarker in the context of pediatric malignancies, including the challenges associated with ctDNA detection in liquid biopsies. The data and conclusions from pediatric cancer studies of ctDNA are summarized, highlighting treatment response, disease monitoring and the detection of subclonal disease as applications of ctDNA. While the data from retrospective studies highlight the potential of ctDNA, large clinical trials are required for ctDNA analysis for routine clinical use in pediatric cancers. We outline the requirements for the standardization of ctDNA detection in pediatric cancers, including sample handling and reproducibility of results. With better understanding of the advantages and limitations of ctDNA and improved detection methods, ctDNA analysis may become the standard of care for patient monitoring in childhood cancers.
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Affiliation(s)
- Louise Doculara
- Children’s Cancer Institute, Lowy Cancer Centre, UNSW Sydney, Sydney, NSW, Australia
- School of Women’s and Children’s Health, UNSW Sydney, Sydney, NSW, Australia
- University of New South Wales Centre for Childhood Cancer Research, UNSW Sydney, Sydney, NSW, Australia
| | - Toby N. Trahair
- Children’s Cancer Institute, Lowy Cancer Centre, UNSW Sydney, Sydney, NSW, Australia
- School of Women’s and Children’s Health, UNSW Sydney, Sydney, NSW, Australia
- Kids Cancer Centre, Sydney Children’s Hospital, Randwick, NSW, Australia
| | - Narges Bayat
- Children’s Cancer Institute, Lowy Cancer Centre, UNSW Sydney, Sydney, NSW, Australia
- School of Women’s and Children’s Health, UNSW Sydney, Sydney, NSW, Australia
- University of New South Wales Centre for Childhood Cancer Research, UNSW Sydney, Sydney, NSW, Australia
| | - Richard B. Lock
- Children’s Cancer Institute, Lowy Cancer Centre, UNSW Sydney, Sydney, NSW, Australia
- School of Women’s and Children’s Health, UNSW Sydney, Sydney, NSW, Australia
- University of New South Wales Centre for Childhood Cancer Research, UNSW Sydney, Sydney, NSW, Australia
- *Correspondence: Richard B. Lock,
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37
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Futai N, Fukazawa Y, Kashiwagi T, Tamaki S, Sakai R, Hogan CA, Murugesan K, Ramachandran A, Banaei N, Santiago JG. A modular and reconfigurable open-channel gated device for the electrokinetic extraction of cell-free DNA assays. Anal Chim Acta 2022; 1200:339435. [DOI: 10.1016/j.aca.2022.339435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 12/06/2021] [Accepted: 01/02/2022] [Indexed: 11/01/2022]
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38
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Haselmann V, Hedtke M, Neumaier M. Liquid Profiling for Cancer Patient Stratification in Precision Medicine—Current Status and Challenges for Successful Implementation in Standard Care. Diagnostics (Basel) 2022; 12:diagnostics12030748. [PMID: 35328301 PMCID: PMC8947441 DOI: 10.3390/diagnostics12030748] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 03/09/2022] [Accepted: 03/11/2022] [Indexed: 12/13/2022] Open
Abstract
Circulating tumor DNA (ctDNA), accurately described by the term liquid profiling (LP), enables real-time assessment of the tumor mutational profile as a minimally invasive test and has therefore rapidly gained traction, particular for the management of cancer patients. By LP, tumor-specific genetic alterations can be determined as part of companion diagnostics to guide selection of appropriate targeted therapeutics. Because LP facilitates longitudinal monitoring of cancer patients, it can be used to detect acquired resistant mechanisms or as a personalized biomarker for earlier detection of disease recurrence, among other applications. However, LP is not yet integrated into routine care to the extent that might be expected. This is due to the lack of harmonization and standardization of preanalytical and analytical workflows, the lack of proper quality controls, limited evidence of its clinical utility, heterogeneous study results, the uncertainty of clinicians regarding the value and appropriate indications for LP and its interpretation, and finally, the lack of reimbursement for most LP tests. In this review, the value proposition of LP for cancer patient management and treatment optimization, the current status of implementation in standard care, and the main challenges that need to be overcome are discussed in detail.
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Transcending Blood—Opportunities for Alternate Liquid Biopsies in Oncology. Cancers (Basel) 2022; 14:cancers14051309. [PMID: 35267615 PMCID: PMC8909855 DOI: 10.3390/cancers14051309] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 02/28/2022] [Accepted: 03/01/2022] [Indexed: 12/24/2022] Open
Abstract
Simple Summary Cell-free DNA—DNA that has been expelled from cells and can be isolated from blood plasma and other body fluids—is a useful tool in medicine, with applications as a biomarker in diagnosis, prognosis, disease profiling, and treatment selection. In oncology, the ease of access to the tumour genome is a major advantage of cell-free DNA, but while this has led to significant research in blood, other body fluids have not received equal attention. This review article summarises the current research into cell-free DNA in non-blood body fluids, highlighting its values and limitations, and suggesting the direction of future studies. We conclude that cell-free DNA from non-blood body fluids may provide additional information to supplement traditional biopsies, allowing informative and improved patient care across many cancer types. Abstract Cell-free DNA (cfDNA) is a useful molecular biomarker in oncology research and treatment, but while research into its properties in blood has flourished, there remains much to be discovered about cfDNA in other body fluids. The cfDNA from saliva, sputum, cerebrospinal fluid, urine, faeces, pleural effusions, and ascites has unique advantages over blood, and has potential as an alternative ‘liquid biopsy’ template. This review summarises the state of current knowledge and identifies the gaps in our understanding of non-blood liquid biopsies; where their advantages lie, where caution is needed, where they might fit clinically, and where research should focus in order to accelerate clinical implementation. An emphasis is placed on ascites and pleural effusions, being pathological fluids directly associated with cancer. We conclude that non-blood fluids are viable sources of cfDNA in situations where solid tissue biopsies are inaccessible, or only accessible from dated archived specimens. In addition, we show that due to the abundance of cfDNA in non-blood fluids, they can outperform blood in many circumstances. We demonstrate multiple instances in which DNA from various sources can provide additional information, and thus we advocate for analysing non-blood sources as a complement to blood and/or tissue. Further research into these fluids will highlight opportunities to improve patient outcomes across cancer types.
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Shin S, Woo HI, Kim JW, M D YK, Lee KA. Clinical Practice Guidelines for Pre-Analytical Procedures of Plasma Epidermal Growth Factor Receptor Variant Testing. Ann Lab Med 2022; 42:141-149. [PMID: 34635607 PMCID: PMC8548242 DOI: 10.3343/alm.2022.42.2.141] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 02/02/2021] [Accepted: 07/27/2021] [Indexed: 01/10/2023] Open
Abstract
Standardization of cell-free DNA (cfDNA) testing processes is necessary to obtain clinically reliable results. The pre-analytical phase of cfDNA testing greatly influences the results because of the low proportion and stability of circulating tumor DNA (ctDNA). In this review, we provide evidence-based clinical practice guidelines for pre-analytical phase procedures of plasma epidermal growth factor receptor gene (EGFR) variant testing. Specific recommendations for pre-analytical procedures were proposed based on evidence from the literature and our experimental data. Standardization of pre-analytical procedures can improve the analytical performance of cfDNA testing.
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Affiliation(s)
- Saeam Shin
- Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Hye In Woo
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Jong-Won Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Yoonjung Kim M D
- Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Kyung-A Lee
- Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, Korea
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41
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Edwards RL, Menteer J, Lestz RM, Baxter-Lowe LA. Cell-free DNA as a solid-organ transplant biomarker: technologies and approaches. Biomark Med 2022; 16:401-415. [PMID: 35195028 DOI: 10.2217/bmm-2021-0968] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
High-quality biomarkers that detect emergent graft damage and/or rejection after solid-organ transplantation offer new opportunities to improve post-transplant monitoring, allow early therapeutic intervention and facilitate personalized patient management. Donor-derived cell-free DNA (DD-cfDNA) is a particularly exciting minimally invasive biomarker because it has the potential to be quantitative, time-sensitive and cost-effective. Increased DD-cfDNA has been associated with graft damage and rejection episodes. Efforts are underway to further improve sensitivity and specificity. This review summarizes the procedures used to process and detect DD-cfDNA, measurement of DD-cfDNA in clinical transplantation, approaches for improving sensitivity and specificity and long-term prospects as a transplant biomarker to supplement traditional organ monitoring and invasive biopsies.
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Affiliation(s)
- Rebecca L Edwards
- Department of Pathology & Laboratory Medicine, Children's Hospital Los Angeles, Los Angeles, CA 90027, USA
| | - Jondavid Menteer
- Keck School of Medicine, University of Southern California, Los Angeles, CA 90027, USA.,Division of Cardiology, Children's Hospital Los Angeles, Los Angeles, CA 90027, USA
| | - Rachel M Lestz
- Keck School of Medicine, University of Southern California, Los Angeles, CA 90027, USA.,Division of Nephrology, Children's Hospital Los Angeles, Los Angeles, CA 90027, USA
| | - Lee Ann Baxter-Lowe
- Department of Pathology & Laboratory Medicine, Children's Hospital Los Angeles, Los Angeles, CA 90027, USA.,Keck School of Medicine, University of Southern California, Los Angeles, CA 90027, USA
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Hudecova I, Smith CG, Hänsel-Hertsch R, Chilamakuri CS, Morris JA, Vijayaraghavan A, Heider K, Chandrananda D, Cooper WN, Gale D, Garcia-Corbacho J, Pacey S, Baird RD, Rosenfeld N, Mouliere F. Characteristics, origin, and potential for cancer diagnostics of ultrashort plasma cell-free DNA. Genome Res 2022; 32:215-227. [PMID: 34930798 PMCID: PMC8805718 DOI: 10.1101/gr.275691.121] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 12/16/2021] [Indexed: 11/24/2022]
Abstract
Current evidence suggests that plasma cell-free DNA (cfDNA) is fragmented around a mode of 166 bp. Data supporting this view has been mainly acquired through the analysis of double-stranded cfDNA. The characteristics and diagnostic potential of single-stranded and damaged double-stranded cfDNA in healthy individuals and cancer patients remain unclear. Here, through a combination of high-affinity magnetic bead-based DNA extraction and single-stranded DNA sequencing library preparation (MB-ssDNA), we report the discovery of a large proportion of cfDNA fragments centered at ∼50 bp. We show that these "ultrashort" cfDNA fragments have a greater relative abundance in plasma of healthy individuals (median = 19.1% of all sequenced cfDNA fragments, n = 28) than in plasma of patients with cancer (median = 14.2%, n = 21, P < 0.0001). The ultrashort cfDNA fragments map to accessible chromatin regions of blood cells, particularly in promoter regions with the potential to adopt G-quadruplex (G4) DNA secondary structures. G4-positive promoter chromatin accessibility is significantly enriched in ultrashort plasma cfDNA fragments from healthy individuals relative to patients with cancers (P < 0.0001), in whom G4-cfDNA enrichment is inversely associated with copy number aberration-inferred tumor fractions. Our findings redraw the landscape of cfDNA fragmentation by identifying and characterizing a novel population of ultrashort plasma cfDNA fragments. Sequencing of MB-ssDNA libraries could facilitate the characterization of gene regulatory regions and DNA secondary structures via liquid biopsy. Our data underline the diagnostic potential of ultrashort cfDNA through classification for cancer patients.
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Affiliation(s)
- Irena Hudecova
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
- Cancer Research UK Cambridge Centre, Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
| | - Christopher G Smith
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
- Cancer Research UK Cambridge Centre, Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
| | - Robert Hänsel-Hertsch
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
- Center for Molecular Medicine Cologne CMMC, University of Cologne, 50931 Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne and University Hospital Cologne, 50931 Cologne, Germany
- Institute of Human Genetics, University Hospital Cologne, 50931 Cologne, Germany
| | - Chandra S Chilamakuri
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
| | - James A Morris
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
- Cancer Research UK Cambridge Centre, Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
| | - Aadhitthya Vijayaraghavan
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
- Cancer Research UK Cambridge Centre, Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
| | - Katrin Heider
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
- Cancer Research UK Cambridge Centre, Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
| | - Dineika Chandrananda
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
- Cancer Research UK Cambridge Centre, Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
| | - Wendy N Cooper
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
- Cancer Research UK Cambridge Centre, Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
| | - Davina Gale
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
- Cancer Research UK Cambridge Centre, Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
| | - Javier Garcia-Corbacho
- Clinical Trials Unit, Clinic Institute of Hematological and Oncological Diseases, Hospital Clinic, 170 08036 Barcelona, Spain
| | - Simon Pacey
- Cancer Research UK Cambridge Centre, Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
- Department of Oncology, University of Cambridge, Cambridge CB2 0QQ, United Kingdom
| | - Richard D Baird
- Cancer Research UK Cambridge Centre, Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
- Department of Oncology, University of Cambridge, Cambridge CB2 0QQ, United Kingdom
| | - Nitzan Rosenfeld
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
- Cancer Research UK Cambridge Centre, Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
| | - Florent Mouliere
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
- Cancer Research UK Cambridge Centre, Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge CB2 0RE, United Kingdom
- Department of Pathology, Amsterdam UMC, Vrije Universiteit Amsterdam, Cancer Centre Amsterdam, 1081 HV Amsterdam, The Netherlands
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43
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Cheng YJ, Wang CH, Hsu KF, Lee GB. Isolation and Quantification of Methylated Cell-Free DNA in Plasma on an Integrated Microfluidic System. Anal Chem 2022; 94:2134-2141. [DOI: 10.1021/acs.analchem.1c04471] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Yu-Jen Cheng
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Chih-Hung Wang
- Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Keng-Fu Hsu
- Department of Obstetrics and Gynecology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70403, Taiwan
| | - Gwo-Bin Lee
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
- Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
- Institute of NanoEngineering and MicroSystems, National Tsing Hua University, Hsinchu 30013, Taiwan
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44
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Kondratskaya VA, Pokrovskaya MS, Doludin YV, Borisova AL, Limonova AS, Meshkov АN, Drapkina OM. Influence of preanalytical variables on the quality of cell-free DNA. Biobanking of cell-free DNA material. КАРДИОВАСКУЛЯРНАЯ ТЕРАПИЯ И ПРОФИЛАКТИКА 2022. [DOI: 10.15829/1728-8800-2021-3114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
The search for early disease markers and the development of diagnostic systems has recently been expanding within genomics. Genomic deoxyribonucleic acid (DNA), cell-free DNA (cfDNA) and microbiome DNA obtained from different types of samples (tissues, blood and its derivatives, feces, etc.) are used as objects of genetic research. It has been shown that cfDNA that enters the bloodstream, in particular, as a result of apoptosis, necrosis, active tumor secretion and metastasis, is of great importance for studying molecular mechanisms of the pathological process and application in clinical practice. Circulating nucleic acid analysis can be used to monitor response to treatment, assess drug resistance, and quantify minimal residual disease. The review article reflects the following information about the biomaterial: source of cfDNA, methods of cfDNA isolation, storage and use for the diagnosis of certain diseases. Cell-free DNA can be present in biological fluids such as blood, urine, saliva, synovial and cerebrospinal fluid. In most cases, cfDNA is isolated from blood derivatives (serum and plasma), while it is most correct to use blood plasma for cfDNA isolation. Optimal and economically justifiable is the use of ethylenediaminetetra-acetic acid tubes for taking blood and obtaining plasma with subsequent cfDNA isolation. There is evidence that the optimal shelf life in an ethylenediaminetetra-acetic acid tube from the moment of blood sampling to subsequent isolation is a 2-hour interval. After centrifugation, cfDNA in plasma (or serum) can be stored for a long time at a temperature of -80O C. Storage at -20O C is undesirable, since DNA fragmentation increases.
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Affiliation(s)
| | - M. S. Pokrovskaya
- National Medical Research Center for Therapy and Preventive Medicine
| | - Yu. V. Doludin
- National Medical Research Center for Therapy and Preventive Medicine
| | - A. L. Borisova
- National Medical Research Center for Therapy and Preventive Medicine
| | - A. S. Limonova
- National Medical Research Center for Therapy and Preventive Medicine
| | - А. N. Meshkov
- National Medical Research Center for Therapy and Preventive Medicine
| | - O. M. Drapkina
- National Medical Research Center for Therapy and Preventive Medicine
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46
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Teixeira A, Carneiro A, Piairo P, Xavier M, Ainla A, Lopes C, Sousa-Silva M, Dias A, Martins AS, Rodrigues C, Pereira R, Pires LR, Abalde-Cela S, Diéguez L. Advances in Microfluidics for the Implementation of Liquid Biopsy in Clinical Routine. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1379:553-590. [DOI: 10.1007/978-3-031-04039-9_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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47
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Chang A, Mzava O, Lenz JS, Cheng AP, Burnham P, Motley ST, Bennett C, Connelly JT, Dadhania DM, Suthanthiran M, Lee JR, Steadman A, De Vlaminck I. Measurement Biases Distort Cell-Free DNA Fragmentation Profiles and Define the Sensitivity of Metagenomic Cell-Free DNA Sequencing Assays. Clin Chem 2021; 68:163-171. [PMID: 34718476 PMCID: PMC8718127 DOI: 10.1093/clinchem/hvab142] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 06/24/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND Metagenomic sequencing of microbial cell-free DNA (cfDNA) in blood and urine is increasingly used as a tool for unbiased infection screening. The sensitivity of metagenomic cfDNA sequencing assays is determined by the efficiency by which the assay recovers microbial cfDNA vs host-specific cfDNA. We hypothesized that the choice of methods used for DNA isolation, DNA sequencing library preparation, and sequencing would affect the sensitivity of metagenomic cfDNA sequencing. METHODS We characterized the fragment length biases inherent to select DNA isolation and library preparation procedures and developed a model to correct for these biases. We analyzed 305 cfDNA sequencing data sets, including publicly available data sets and 124 newly generated data sets, to evaluate the dependence of the sensitivity of metagenomic cfDNA sequencing on pre-analytical variables. RESULTS Length bias correction of fragment length distributions measured from different experimental procedures revealed the ultrashort (<100 bp) nature of microbial-, mitochondrial-, and host-specific urinary cfDNA. The sensitivity of metagenomic sequencing assays to detect the clinically reported microorganism differed by more than 5-fold depending on the combination of DNA isolation and library preparation used. CONCLUSIONS Substantial gains in the sensitivity of microbial and other short fragment recovery can be achieved by easy-to-implement changes in the sample preparation protocol, which highlights the need for standardization in the liquid biopsy field.
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Affiliation(s)
- Adrienne Chang
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA
| | - Omary Mzava
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA
| | - Joan S Lenz
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA
| | - Alexandre P Cheng
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA
| | - Philip Burnham
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA
| | | | - Crissa Bennett
- Global Good Fund, Intellectual Ventures Lab, Bellevue, WA, USA
| | | | - Darshana M Dadhania
- Division of Nephrology and Hypertension, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
- Department of Transplantation Medicine, New York Presbyterian Hospital, Weill Cornell Medical Center, New York, NY, USA
| | - Manikkam Suthanthiran
- Division of Nephrology and Hypertension, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
- Department of Transplantation Medicine, New York Presbyterian Hospital, Weill Cornell Medical Center, New York, NY, USA
| | - John R Lee
- Division of Nephrology and Hypertension, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
- Department of Transplantation Medicine, New York Presbyterian Hospital, Weill Cornell Medical Center, New York, NY, USA
| | | | - Iwijn De Vlaminck
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA
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48
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Kerachian MA, Azghandi M, Mozaffari-Jovin S, Thierry AR. Guidelines for pre-analytical conditions for assessing the methylation of circulating cell-free DNA. Clin Epigenetics 2021; 13:193. [PMID: 34663458 PMCID: PMC8525023 DOI: 10.1186/s13148-021-01182-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 10/04/2021] [Indexed: 02/06/2023] Open
Abstract
Methylation analysis of circulating cell-free DNA (cirDNA), as a liquid biopsy, has a significant potential to advance the detection, prognosis, and treatment of cancer, as well as many genetic disorders. The role of epigenetics in disease development has been reported in several hereditary disorders, and epigenetic modifications are regarded as one of the earliest and most significant genomic aberrations that arise during carcinogenesis. Liquid biopsy can be employed for the detection of these epigenetic biomarkers. It consists of isolation (pre-analytical) and detection (analytical) phases. The choice of pre-analytical variables comprising cirDNA extraction and bisulfite conversion methods can affect the identification of cirDNA methylation. Indeed, different techniques give a different return of cirDNA, which confirms the importance of pre-analytical procedures in clinical diagnostics. Although novel techniques have been developed for the simplification of methylation analysis, the process remains complex, as the steps of DNA extraction, bisulfite treatment, and methylation detection are each carried out separately. Recent studies have noted the absence of any standard method for the pre-analytical processing of methylated cirDNA. We have therefore conducted a comprehensive and systematic review of the important pre-analytical and analytical variables and the patient-related factors which form the basis of our guidelines for analyzing methylated cirDNA in liquid biopsy.
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Affiliation(s)
- Mohammad Amin Kerachian
- Medical Genetics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
- Department of Medical Genetics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
- Cancer Genetics Research Unit, Reza Radiotherapy and Oncology Center, Mashhad, Iran.
| | - Marjan Azghandi
- Cancer Genetics Research Unit, Reza Radiotherapy and Oncology Center, Mashhad, Iran
- Department of Animal Science, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Sina Mozaffari-Jovin
- Medical Genetics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Medical Genetics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Alain R Thierry
- IRCM, Institute of Research in Oncology of Montpellier, Montpellier, France.
- INSERM, U1194, Montpellier, France.
- University of Montpellier, Montpellier, France.
- ICM, Regional Institute of Cancer of Montpellier, Montpellier, France.
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49
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Malapelle U, Pisapia P, Addeo A, Arrieta O, Bellosillo B, Cardona AF, Cristofanilli M, De Miguel-Perez D, Denninghoff V, Durán I, Jantus-Lewintre E, Nuzzo PV, O'Byrne K, Pauwels P, Pickering EM, Raez LE, Russo A, Serrano MJ, Gandara DR, Troncone G, Rolfo C. Liquid biopsy from research to clinical practice: focus on non-small cell lung cancer. Expert Rev Mol Diagn 2021; 21:1165-1178. [PMID: 34570988 DOI: 10.1080/14737159.2021.1985468] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
INTRODUCTION In the current era of personalized medicine, liquid biopsy has acquired a relevant importance in patient management of advanced stage non-small cell lung cancer (NSCLC). As a matter of fact, liquid biopsy may supplant the problem of inadequate tissue for molecular testing. The term 'liquid biopsy' refers to a number of different biological fluids, but is most clearly associated with plasma-related platforms. It must be taken into account that pre-analytical processing and the selection of the appropriate technology according to the clinical context may condition the results obtained. In addition, novel clinical applications beyond the evaluation of the molecular status of predictive biomarkers are currently under investigation. AREAS COVERED This review summarizes the available evidence on pre-analytical issues and different clinical applications of liquid biopsies in NSCLC patients. EXPERT OPINION Liquid biopsy should be considered not only as a valid alternative but as complementary to tissue-based molecular approaches. Careful attention should be paid to the optimization and standardization of all phases of liquid biopsy samples management in order to determine a significant improvement in either sensitivity or specificity, while significant reducing the number of 'false negative' or 'false positive' molecular results.
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Affiliation(s)
- Umberto Malapelle
- Department of Public Health, University of Naples Federico Ii, Naples, Italy
| | - Pasquale Pisapia
- Department of Public Health, University of Naples Federico Ii, Naples, Italy
| | - Alfredo Addeo
- Oncology Department, University Hospital Geneva, Geneva, Switzerland
| | - Oscar Arrieta
- Thoracic Oncology Unit, Instituto Nacional de Cancerología (INCan), México City, México
| | - Beatriz Bellosillo
- Department of Pathology, Hospital Del Mar, Barcelona, Spain.,Department of Pathology, Ciberonc, Madrid, Spain
| | - Andres F Cardona
- Department of Oncology, Clinical and Translational Oncology Group, Clínica Del Country, Bogotá, Colombia.,Department of Oncology, Foundation for Clinical and Applied Cancer Research (Ficmac), Bogotá, Colombia.,Molecular Oncology and Biology Systems Research Group (Fox-g/oncolgroup), Universidad el Bosque, Bogotá, Colombia
| | - Massimo Cristofanilli
- Division of Hematology and Oncology, Department of Medicine, Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Diego De Miguel-Perez
- GENyO, Centre for Genomics and Oncological Research, Pfizer-University of Granada-Andalusian Regional Government, Liquid Biopsy and Cancer Interception Group, Granada, Spain.,Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Valeria Denninghoff
- Department of Pathology, University of Buenos Aires - National Council for Scientific and Technical Research (Conicet), Buenos Aires, Argentina
| | - Ignacio Durán
- Department of Oncology, Hospital Universitario Marques de Valdecilla, IDIVAL, Santander, Spain
| | - Eloísa Jantus-Lewintre
- Department of Pathology, Ciberonc, Madrid, Spain.,Molecular Oncology Laboratory, Fundación Para La Investigación Del Hospital General Universitario De Valencia, Valencia, Spain.,Mixed Unit TRIAL, (Príncipe Felipe Research Centre & Fundación Para La Investigación Del Hospital General Universitario De Valencia), Valencia, Spain.,Department of Biotechnology, Universitat Politècnica De València, Valencia, Spain
| | - Pier Vitale Nuzzo
- Department of Medical Oncology, The Lank Center for Genitourinary Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Ken O'Byrne
- Medical Oncology, Princess Alexandra Hospital, Queensland University of Technology, Brisbane City, Australia
| | - Patrick Pauwels
- Center for Oncological Research Antwerp (Core), Integrated Personalized & Precision Oncology Network (IPPON), University of Antwerp (Uantwerp), Wilrijk, Belgium.,Laboratory of Pathological Anatomy, Antwerp University Hospital (UZA), Edegem, Belgium
| | - Edward M Pickering
- Divison of Pulmonary and Critical Care Medicine, Section of Interventional Pulmonology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Luis E Raez
- Thoracic Oncology Program, Memorial Cancer Institute/Memorial Health Care System, Florida International University, Miami, FL, USA
| | - Alessandro Russo
- Department of Oncology, Medical Oncology Unit, A.O. Papardo, Messina, Italy
| | - Maria José Serrano
- GENyO, Centre for Genomics and Oncological Research, Pfizer-University of Granada-Andalusian Regional Government, Liquid Biopsy and Cancer Interception Group, Granada, Spain
| | - David R Gandara
- Department of Internal Medicine, UC Davis Comprehensive Cancer Center, Sacramento, CA, USA
| | - Giancarlo Troncone
- Department of Public Health, University of Naples Federico Ii, Naples, Italy
| | - Christian Rolfo
- Center for Thoracic Oncology, Tisch Cancer Institute, Mount Sinai Medical System & Icahn School of Medicine, New York, NY, USA
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50
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Jackson AM, Amato-Menker C, Bettinotti M. Cell-free DNA diagnostics in transplantation utilizing next generation sequencing. Hum Immunol 2021; 82:850-858. [PMID: 34600770 DOI: 10.1016/j.humimm.2021.07.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 06/29/2021] [Accepted: 07/12/2021] [Indexed: 12/25/2022]
Abstract
The use of Next Generation Sequencing (NGS) to interrogate cell-free DNA (cfDNA) as a transplant diagnostic provides a crucial step in improving the accuracy of post-transplant monitoring of allograft health. cfDNA interrogation provides a powerful, yet minimally invasive, biomarker for disease and tissue injury. cfDNA can be isolated from a variety of body fluids and analyzed using bioinformatics to unlock its origins. Furthermore, cfDNA characteristics can reveal the mechanisms and conditions under which it was generated and released. In transplantation, donor-derived cfDNA monitoring provides a tool for identifying active allograft injury at the time of transplant, infection, and rejection. Multiple detection and interrogation methods for cfDNA detection are now being evaluated for clinical validity and hold the promise to provide minimally invasive, quantitative, and reproducible measures of allograft injury across organ types.
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Affiliation(s)
- Annette M Jackson
- Duke University, Department of Surgery, DUMC Box 2645, Durham, NC 27710, USA.
| | - Carly Amato-Menker
- West Virginia University, Microbiology, Immunology, and Cell Biology, Morgantown, WV, USA
| | - Maria Bettinotti
- Johns Hopkins University, Department of Pathology, 2041 E. Monument Street, Baltimore, MD 21205, USA
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