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Debel W, Ramadhan A, Vanpeteghem C, Forsyth RG. Does the Choice of Anaesthesia Affect Cancer? A Molecular Crosstalk between Theory and Practice. Cancers (Basel) 2022; 15:cancers15010209. [PMID: 36612205 PMCID: PMC9818147 DOI: 10.3390/cancers15010209] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 12/23/2022] [Accepted: 12/28/2022] [Indexed: 01/01/2023] Open
Abstract
In recent years, there has been an increasing scientific interest in the interaction between anaesthesia and cancer development. Retrospective studies show that the choice of anaesthetics may influence cancer outcome and cancer recurrence; however, these studies show contradictory results. Recently, some large randomized clinical trials have been completed, yet they show no significant effect of anaesthetics on cancer outcomes. In this scoping review, we compiled a body of in vivo and in vitro studies with the goal of evaluating the biological effects of anaesthetics on cancer cells in comparison to clinical effects as described in recent studies. It was found that sevoflurane, propofol, opioids and lidocaine are likely to display direct biological effects on cancer cells; however, significant effects are only found in studies with exposure to high concentrations of anaesthetics and/or during longer exposure times. When compared to clinical data, these differences in exposure and dose-effect relation, as well as tissue selectivity, population selection and unclear anaesthetic dosing protocols might explain the lack of outcome.
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Affiliation(s)
- Wiebrecht Debel
- Department of Anesthesiology, University Hospital Ghent, 9000 Ghent, Belgium
| | - Ali Ramadhan
- Department of Pathological Anatomy, Universitair Ziekenhuis Brussel, 1090 Brussels, Belgium
| | | | - Ramses G. Forsyth
- Department of Pathological Anatomy, Universitair Ziekenhuis Brussel, 1090 Brussels, Belgium
- Laboratorium for Experimental Pathology (EXPA), Vrije Universiteit Brussel, 1090 Brussels, Belgium
- Correspondence: ; Tel.: +32-(2)-4775084
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52
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Li M, Wu S, Zhuang C, Shi C, Gu L, Wang P, Guo F, Wang Y, Liu Z. Metabolomic analysis of circulating tumor cells derived liver metastasis of colorectal cancer. Heliyon 2022; 9:e12515. [PMID: 36691542 PMCID: PMC9860459 DOI: 10.1016/j.heliyon.2022.e12515] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 08/17/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022] Open
Abstract
Metabolic reprogramming is one of the essential features of tumor that may dramatically contribute to metastasis and collapse. The metabolic profiling is investigated on the patient derived tissue and cancer cell line derived mouse metastasis xenograft. As well-recognized "seeds" for remote metastasis of tumor, role of circulating tumor cells (CTCs) in the study of metabolic reprogramming feature of tumor is yet to be elucidated. More specifically, whether there is difference of metabolic features of liver metastasis in colorectal cancer (CRC) derived from either CTCs or cancer cell line is still unknown. In this study, comprehensive untargeted metabolomics was performed using high performance liquid chromatography-mass spectrometry (HPLC-MS) in liver metastasis tissues from CT26 cells and CTCs derived mouse models. We identified 288 differential metabolites associated with the pathways such as one carbon pool by folate, folate biosynthesis and histidine metabolism through bioinformation analysis. Multiple gene expression was upregulated in the CTCs derived liver metastasis, specifically some specific enzymes. These results indicated that the metabolite phenotype and corresponding gene expression in the CTCs derived liver metastasis tissues was different from the parental CT26 cells, displaying a specific up-regulation of mRNAs involved in the above metabolism-related pathways. The metabolic profile of CTCs was characterized on the liver metastatic process in colorectal cancer. The invasion ability and chemo drug tolerance of the CTCs derived tumor and metastasis was found to be overwhelming higher than cell line derived counterpart. Identification of the differential metabolites will lead to a better understanding of the hallmarks of the cancer progression and metastasis, which may suggest potential attractive target for treating metastatic CRC.
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Affiliation(s)
- Meng Li
- Department of General Surgery, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai 200092, PR China
| | - Shengming Wu
- The Institute for Translational Nanomedicine, Shanghai East Hospital, The Institute for Biomedical Engineering & Nano Science, School of Medicine, Tongji University, Shanghai 200092, PR China
| | - Chengle Zhuang
- Department of General Surgery, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai 200092, PR China
| | - Chenzhang Shi
- Department of General Surgery, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai 200092, PR China
| | - Lei Gu
- Department of General Surgery, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai 200092, PR China
| | - Peng Wang
- The Institute for Translational Nanomedicine, Shanghai East Hospital, The Institute for Biomedical Engineering & Nano Science, School of Medicine, Tongji University, Shanghai 200092, PR China
| | - Fangfang Guo
- The Institute for Translational Nanomedicine, Shanghai East Hospital, The Institute for Biomedical Engineering & Nano Science, School of Medicine, Tongji University, Shanghai 200092, PR China
| | - Yilong Wang
- The Institute for Translational Nanomedicine, Shanghai East Hospital, The Institute for Biomedical Engineering & Nano Science, School of Medicine, Tongji University, Shanghai 200092, PR China,Corresponding author.
| | - Zhongchen Liu
- Department of General Surgery, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai 200092, PR China,Corresponding author.
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Schwab FD, Scheidmann MC, Ozimski LL, Kling A, Armbrecht L, Ryser T, Krol I, Strittmatter K, Nguyen-Sträuli BD, Jacob F, Fedier A, Heinzelmann-Schwarz V, Wicki A, Dittrich PS, Aceto N. MyCTC chip: microfluidic-based drug screen with patient-derived tumour cells from liquid biopsies. MICROSYSTEMS & NANOENGINEERING 2022; 8:130. [PMID: 36561926 PMCID: PMC9763115 DOI: 10.1038/s41378-022-00467-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 10/22/2022] [Accepted: 10/24/2022] [Indexed: 06/17/2023]
Abstract
Cancer patients with advanced disease are characterized by intrinsic challenges in predicting drug response patterns, often leading to ineffective treatment. Current clinical practice for treatment decision-making is commonly based on primary or secondary tumour biopsies, yet when disease progression accelerates, tissue biopsies are not performed on a regular basis. It is in this context that liquid biopsies may offer a unique window to uncover key vulnerabilities, providing valuable information about previously underappreciated treatment opportunities. Here, we present MyCTC chip, a novel microfluidic device enabling the isolation, culture and drug susceptibility testing of cancer cells derived from liquid biopsies. Cancer cell capture is achieved through a label-free, antigen-agnostic enrichment method, and it is followed by cultivation in dedicated conditions, allowing on-chip expansion of captured cells. Upon growth, cancer cells are then transferred to drug screen chambers located within the same device, where multiple compounds can be tested simultaneously. We demonstrate MyCTC chip performance by means of spike-in experiments with patient-derived breast circulating tumour cells, enabling >95% capture rates, as well as prospective processing of blood from breast cancer patients and ascites fluid from patients with ovarian, tubal and endometrial cancer, where sensitivity to specific chemotherapeutic agents was identified. Together, we provide evidence that MyCTC chip may be used to identify personalized drug response patterns in patients with advanced metastatic disease and with limited treatment opportunities.
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Affiliation(s)
- Fabienne D. Schwab
- Department of Biomedicine, Cancer Metastasis Laboratory, University of Basel, Basel, Switzerland
- Department of Gynaecologic Oncology, University Hospital Basel, Basel, Switzerland
| | - Manuel C. Scheidmann
- Department of Biomedicine, Cancer Metastasis Laboratory, University of Basel, Basel, Switzerland
| | - Lauren L. Ozimski
- Department of Biomedicine, Cancer Metastasis Laboratory, University of Basel, Basel, Switzerland
- Department of Biology, Swiss Federal Institute of Technology Zurich (ETH Zurich), Zurich, Switzerland
| | - André Kling
- Department of Biosystems Science and Engineering, Swiss Federal Institute of Technology Zurich (ETH Zurich), Basel, Switzerland
| | - Lucas Armbrecht
- Department of Biosystems Science and Engineering, Swiss Federal Institute of Technology Zurich (ETH Zurich), Basel, Switzerland
| | - Till Ryser
- Department of Biomedicine, Cancer Metastasis Laboratory, University of Basel, Basel, Switzerland
| | - Ilona Krol
- Department of Biomedicine, Cancer Metastasis Laboratory, University of Basel, Basel, Switzerland
- Department of Biology, Swiss Federal Institute of Technology Zurich (ETH Zurich), Zurich, Switzerland
| | - Karin Strittmatter
- Department of Biomedicine, Cancer Metastasis Laboratory, University of Basel, Basel, Switzerland
- Department of Biology, Swiss Federal Institute of Technology Zurich (ETH Zurich), Zurich, Switzerland
| | - Bich Doan Nguyen-Sträuli
- Department of Biology, Swiss Federal Institute of Technology Zurich (ETH Zurich), Zurich, Switzerland
- Department of Gynaecology, University Hospital Zurich and University of Zurich, Zurich, Switzerland
| | - Francis Jacob
- Department of Biomedicine, Ovarian Cancer Research, University Hospital Basel and University of Basel, Basel, Switzerland
| | - André Fedier
- Department of Biomedicine, Ovarian Cancer Research, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Viola Heinzelmann-Schwarz
- Department of Gynaecologic Oncology, University Hospital Basel, Basel, Switzerland
- Department of Biomedicine, Ovarian Cancer Research, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Andreas Wicki
- University of Zurich and University Hospital Zurich, Zurich, Switzerland
| | - Petra S. Dittrich
- Department of Biosystems Science and Engineering, Swiss Federal Institute of Technology Zurich (ETH Zurich), Basel, Switzerland
| | - Nicola Aceto
- Department of Biology, Swiss Federal Institute of Technology Zurich (ETH Zurich), Zurich, Switzerland
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Detection of Circulating Tumor Cells Using the Attune NxT. Int J Mol Sci 2022; 24:ijms24010021. [PMID: 36613466 PMCID: PMC9820284 DOI: 10.3390/ijms24010021] [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: 11/09/2022] [Revised: 12/09/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022] Open
Abstract
Circulating tumor cells (CTCs) have been detected in many patients with different solid malignancies. It has been reported that presence of CTCs correlates with worse survival in patients with multiple types of cancer. Several techniques have been developed to detect CTCs in liquid biopsies. Currently, the only method for CTC detection that is approved by the Food and Drug Administration is CellSearch. Due to low abundance of CTCs in certain cancer types and in early stages of disease, its clinical application is currently limited to metastatic colorectal cancer, breast cancer and prostate cancer. Therefore, we aimed to develop a new method for the detection of CTCs using the Attune NxT-a flow cytometry-based application that was specifically developed to detect rare events in biological samples without the need for enrichment. When healthy donor blood samples were spiked with variable amounts of different EpCAM+EGFR+ tumor cell lines, recovery yield was on average 75%. The detection range was between 1000 and 10 cells per sample. Cell morphology was confirmed with the Attune CytPix. Analysis of blood samples from metastatic colorectal cancer patients, as well as lung cancer patients, demonstrated that increased EpCAM+EGFR+ events were detected in more than half of the patient samples. However, most of these cells showed no (tumor) cell-like morphology. Notably, CellSearch analysis of blood samples from a subset of colorectal cancer patients did not detect CTCs either, suggesting that these blood samples were negative for CTCs. Therefore, we anticipate that the Attune NxT is not superior to CellSearch in detection of low amounts of CTCs, although handling and analysis of samples is easier. Moreover, morphological confirmation is essential to distinguish between CTCs and false positive events.
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Li P, Liu S, Du L, Mohseni G, Zhang Y, Wang C. Liquid biopsies based on DNA methylation as biomarkers for the detection and prognosis of lung cancer. Clin Epigenetics 2022; 14:118. [PMID: 36153611 PMCID: PMC9509651 DOI: 10.1186/s13148-022-01337-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Accepted: 09/16/2022] [Indexed: 11/27/2022] Open
Abstract
Lung cancer (LC) is the main cause of cancer-related mortality. Most LC patients are diagnosed in an advanced stage when the symptoms are obvious, and the prognosis is quite poor. Although low-dose computed tomography (LDCT) is a routine clinical examination for early detection of LC, the false-positive rate is over 90%. As one of the intensely studied epigenetic modifications, DNA methylation plays a key role in various diseases, including cancer and other diseases. Hypermethylation in tumor suppressor genes or hypomethylation in oncogenes is an important event in tumorigenesis. Remarkably, DNA methylation usually occurs in the very early stage of malignant tumors. Thus, DNA methylation analysis may provide some useful information about the early detection of LC. In recent years, liquid biopsy has developed rapidly. Liquid biopsy can detect and monitor both primary and metastatic malignant tumors and can reflect tumor heterogeneity. Moreover, it is a minimally invasive procedure, and it causes less pain for patients. This review summarized various liquid biopsies based on DNA methylation for LC. At first, we briefly discussed some emerging technologies for DNA methylation analysis. Subsequently, we outlined cell-free DNA (cfDNA), sputum, bronchoalveolar lavage fluid, bronchial aspirates, and bronchial washings DNA methylation-based liquid biopsy for the early detection of LC. Finally, the prognostic value of DNA methylation in cfDNA and sputum and the diagnostic value of other DNA methylation-based liquid biopsies for LC were also analyzed.
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Pore AA, Bithi SS, Zeinali M, Navaid HB, Nagrath S, Layeequr Rahman R, Vanapalli SA. Phenotyping of rare circulating cells in the blood of non-metastatic breast cancer patients using microfluidic Labyrinth technology. BIOMICROFLUIDICS 2022; 16:064107. [PMID: 36536791 PMCID: PMC9759355 DOI: 10.1063/5.0129602] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 11/30/2022] [Indexed: 05/13/2023]
Abstract
Label-free technologies for isolating rare circulating cells in breast cancer patients are widely available; however, they are mostly validated on metastatic patient blood samples. Given the need to use blood-based biomarkers to inform on disease progression and treatment decisions, it is important to validate these technologies in non-metastatic patient blood samples. In this study, we specifically focus on a recently established label-free microfluidic technology Labyrinth and assess its capabilities to phenotype a variety of rare circulating tumor cells indicative of epithelial-to-mesenchymal transition as well as cancer-associated macrophage-like (CAML) cells. We specifically chose a patient cohort that is non-metastatic and selected to undergo neoadjuvant chemotherapy to assess the performance of the Labyrinth technology. We enrolled 21 treatment naïve non-metastatic breast cancer patients of various disease stages. Our results indicate that (i) Labyrinth microfluidic technology is successfully able to isolate different phenotypes of CTCs despite the counts being low. (ii) Invasive phenotypes of CTCs such as transitioning CTCs and mesenchymal CTCs were found to be present in high numbers in stage III patients as compared to stage II patients. (iii) As the total load of CTCs increased, the mesenchymal CTCs were found to be increasing. (iv) Labyrinth was able to isolate CAMLs with the counts being higher in stage III patients as compared to stage II patients. Our study demonstrates the ability of the Labyrinth microfluidic technology to isolate rare cancer-associated cells from the blood of treatment naïve non-metastatic breast cancer patients, laying the foundation for tracking oncogenic spread and immune response in patients undergoing neoadjuvant chemotherapy.
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Affiliation(s)
- Adity A. Pore
- Department of Chemical Engineering, Texas Tech University, Lubbock, Texas 79409, USA
| | - Swastika S. Bithi
- Department of Chemical Engineering, Texas Tech University, Lubbock, Texas 79409, USA
| | - Mina Zeinali
- Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 79430, USA
| | - Hunaiz Bin Navaid
- Department of Chemical Engineering, Texas Tech University, Lubbock, Texas 79409, USA
| | - Sunitha Nagrath
- Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 79430, USA
| | | | - Siva A. Vanapalli
- Department of Chemical Engineering, Texas Tech University, Lubbock, Texas 79409, USA
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57
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Colombe P, Béguin J, Benchekroun G, Le Roux D. Blood biomarkers for canine cancer, from human to veterinary oncology. Vet Comp Oncol 2022; 20:767-777. [PMID: 35815441 PMCID: PMC9796515 DOI: 10.1111/vco.12848] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 07/05/2022] [Accepted: 07/07/2022] [Indexed: 01/01/2023]
Abstract
In recent decades, interest in circulating tumour biomarkers is increasing both in human and veterinary oncology. An ideal tumour biomarker would allow early diagnosis of neoplasia, identify it specifically, accurately, establish a prognosis and predict its behaviour, especially regarding different therapeutic solutions. It would also allow to monitor its evolution over time and all this in a non-invasive and inexpensive way. Actually, no biomarkers meeting all of these criteria have been identified in veterinary medicine, particularly due to a lack of specificity of the main protein tumour biomarkers studied to date. However, great hope is currently placed in biomarkers grouped under the name of liquid biopsy, which could prove to be effective tools for common clinical use in the near future. This review gives an update on blood cancer biomarkers studied in dogs, such as ions, proteins, nucleic acids and also circulating cells, of which some might become more prominent in the coming years to help improve the management of animal care.
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Affiliation(s)
- Philippe Colombe
- Ecole Nationale Vétérinaire d'AlfortBioPôle AlfortMaisons‐AlfortFrance,Ecole Nationale Vétérinaire d'AlfortCHUVA, Service de Médecine InterneMaisons‐AlfortFrance
| | - Jérémy Béguin
- Ecole Nationale Vétérinaire d'AlfortCHUVA, Service de Médecine InterneMaisons‐AlfortFrance,Anses, INRAE, Ecole Nationale Vétérinaire d'AlfortUMR VIROLOGIE, Laboratoire de Santé AnimaleMaisons‐AlfortFrance
| | - Ghita Benchekroun
- Ecole Nationale Vétérinaire d'AlfortCHUVA, Service de Médecine InterneMaisons‐AlfortFrance,Ecole nationale Vétérinaire d'AlfortUniv Paris Est Créteil, INSERM, IMRBMaisons‐AlfortFrance
| | - Delphine Le Roux
- Ecole Nationale Vétérinaire d'AlfortBioPôle AlfortMaisons‐AlfortFrance,Anses, INRAE, Ecole Nationale Vétérinaire d'AlfortUMR BIPAR, Laboratoire de Santé AnimaleMaisons‐AlfortFrance
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58
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Jin Y, Cai W, Zhao C, Yang F, Yang C, Zhang X, Zhou Q, Zhao W, Zhang C, Zhang F, Wang M, Li M. EMT status of circulating breast cancer cells and impact of fluidic shear stress. Exp Cell Res 2022; 421:113385. [PMID: 36228736 DOI: 10.1016/j.yexcr.2022.113385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 10/04/2022] [Accepted: 10/05/2022] [Indexed: 12/29/2022]
Abstract
Circulating tumor cells (CTCs) play a vital role in the metastasis and recurrence of breast cancer. CTCs are highly heterogeneous at the stage of Epithelial-to-Mesenchymal Transition (EMT), but the phenotypic and biological characteristics in different EMT stages remain poorly defined. We conducted an orthotopic mouse (4T1) model of breast cancer to isolate CTCs and identified two phenotypes of CTCs: intermediate E/M and mesenchymal CTCs. MTT, Colony formation, Transwell migration and invasion assays were utilized to examined cell proliferation, colony forming, migration and invasion ability. Both the intermediate E/M and mesenchymal CTCs exhibited lower rates of proliferation, colony formation and invasion, as compared to primary tumor cells. The mesenchymal CTCs had a higher rate of invasion but lower rates of proliferation and colony formation than the intermediate E/M CTCs. They also exhibited lower rates of growth and metastasis than the primary tumor cells in vivo, but the mesenchymal CTCs had a higher rate of metastasis than the intermediate E/M CTCs. Fluid shear stress induced the EMT transition of CTCs. The comprehensive analysis of CTCs proteomics discovered proteins that differentially expressed in the two types of CTCs and their primary tumor cells.
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Affiliation(s)
- Yanling Jin
- Institute of Pathology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China; Zhejiang Provincial People's Hospital, Hangzhou, China
| | - Wei Cai
- Institute of Pathology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China; Gansu Provincial Hospital, Lanzhou, China
| | - Chanyuan Zhao
- Institute of Pathology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China
| | - Feng Yang
- Institute of Pathology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China
| | - Chenguang Yang
- Institute of Pathology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China
| | - Xiaoyu Zhang
- Institute of Pathology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China
| | - Quan Zhou
- Institute of Pathology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China
| | - Wenjie Zhao
- Institute of Pathology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China
| | - Chenli Zhang
- Institute of Pathology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China
| | - Fangfang Zhang
- Institute of Pathology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China.
| | - Min Wang
- Institute of Pathology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China; Experimental Teaching Center of Basic Medicine, School of Basic Medical Science, Lanzhou University, Lanzhou, China.
| | - Min Li
- Institute of Pathology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China; Gansu Provincial Key Laboratory of Preclinical Study for New Drug Development, Lanzhou University, Lanzhou, China.
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Liu C, Guo L, Fu C. Circadian-rhythm-regulating hormones: Key factors to regulate breast cancer metastasis via circulating tumor cells. MedComm (Beijing) 2022; 3:e189. [PMID: 36474857 PMCID: PMC9717703 DOI: 10.1002/mco2.189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 11/07/2022] [Accepted: 11/07/2022] [Indexed: 12/03/2022] Open
Affiliation(s)
- Chenguang Liu
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and BiomedicineZhejiang Sci‐Tech UniversityHangzhouP. R. China
- College of Life Sciences and MedicineZhejiang Sci‐Tech UniversityHangzhouP. R. China
| | - Lingxiao Guo
- College of Life Sciences and MedicineZhejiang Sci‐Tech UniversityHangzhouP. R. China
| | - Caiyun Fu
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and BiomedicineZhejiang Sci‐Tech UniversityHangzhouP. R. China
- College of Life Sciences and MedicineZhejiang Sci‐Tech UniversityHangzhouP. R. China
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60
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Circulating tumor cells as a prognostic biomarker in patients with hepatocellular carcinoma. Sci Rep 2022; 12:18686. [PMID: 36333384 PMCID: PMC9636215 DOI: 10.1038/s41598-022-21888-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 10/05/2022] [Indexed: 11/06/2022] Open
Abstract
Circulating tumor cells (CTCs) have been shown as a surrogate for cancer progression and prognostication. We aimed to determine an association between CTCs and survival of hepatocellular carcinoma (HCC) patients. Peripheral blood was obtained from 73 HCC patients to enumerate for epithelial CTCs/8 mL blood. CTCs were detected by immunoaffinity-based method using epithelial cell adhesion molecule (EpCAM) and mucin1 (MUC1). The CTCs detection rates of BCLC stages A, B, and C patients were 65.4% (17/26), 77.3% (17/22), and 96% (24/25), respectively, p = 0.018. Patients with CTCs < 5 cells/8 mL had significantly longer survival than those with CTCs ≥ 5 cells/8 mL (>36 vs. 4.6 months, p < 0.001). In multivariate analysis, CTP B, BCLC B, BCLC C, AFP ≥ 400 ng/mL, and CTC ≥ 5 cells/8 mL were independently associated with survival, with adjusted HRs (95%CI) of 4.1 (2.0-8.4), 3.5 (1.1-11.4), 4.7 (1.4-15.4), 2.4 (1.1-5.0), and 2.6 (1.2-8.4); p < 0.001, 0.036, 0.011, 0.025 and 0.012, respectively. The combination of CTCs ≥ 5 cells/8 mL and AFP ≥ 400 ng/mL provided additively increased HR to 5.3 (2.5-11.1), compared to HRs of 4.0 (2.0-8.0) and 3.5 (1.8-6.7) for CTCs ≥ 5 cells/8 mL and AFP ≥ 400 ng/mL, p < 0.001, respectively. The larger number of peripheral CTCs is correlated with higher tumor aggressive features and poorer survival of HCC patients. CTCs can potentially become novel prognostic biomarker in HCC.
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Zhu S, Xie Z, Chen Y, Liu S, Kwan YW, Zeng S, Yuan W, Ho HP. Real-Time Detection of Circulating Tumor Cells in Bloodstream Using Plasmonic Fiber Sensors. BIOSENSORS 2022; 12:968. [PMID: 36354476 PMCID: PMC9687831 DOI: 10.3390/bios12110968] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 10/24/2022] [Accepted: 10/31/2022] [Indexed: 05/28/2023]
Abstract
Circulating tumor cells (CTCs) are single cancer cells or cancer cell clusters that are present in the circulatory system. Assessing CTC levels in patients can aid in the early detection of cancer metastasis and is essential for the purposes of accurate cancer prognosis. However, current in vitro blood tests are limited by the insufficient blood samples and low concentration levels of CTCs, which presents a major challenge for practical biosensing devices. In this work, we propose the first surface plasmon resonance (SPR) fiber probe to work intravenously, which offers a real-time detection of CTCs in bloodstreams. By exposing the protein-functionalized fiber probe to circulating blood, a continuous capture of CTCs ensures a constant increase in enrichment and hence greatly enhances enumeration accuracy. The performance of our plasmonic fiber probe was demonstrated to specifically detect Michigan Cancer Foundation-7 (MCF-7) breast cancer cells in flowing whole mouse blood. Further, a detection limit of ~1.4 cells per microliter was achieved by using an epithelial cell adhesion molecule (EpCAM) antibody-based receptor layer and a 15 minute enrichment period. This pilot study validates real-time CTC detection directly in the bloodstream by using plasmonic fiber probes, which exhibit promising clinical potential for in vivo diagnostic tests involving low concentration biomarkers in circulating blood.
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Affiliation(s)
- Shaodi Zhu
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong 999077, China
- Light, Nanomaterials & Nanotechnologies (L2n), CNRS-EMR 7004, University of Technology of Troyes, 10000 Troyes, France
| | - Zhenming Xie
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong 999077, China
| | - Yuzhi Chen
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong 999077, China
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Shiyue Liu
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong 999077, China
| | - Yiu-Wa Kwan
- School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong 999077, China
| | - Shuwen Zeng
- Light, Nanomaterials & Nanotechnologies (L2n), CNRS-EMR 7004, University of Technology of Troyes, 10000 Troyes, France
| | - Wu Yuan
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong 999077, China
| | - Ho-Pui Ho
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong 999077, China
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Alves JM, Estévez-Gómez N, Valecha M, Prado-López S, Tomás L, Alvariño P, Piñeiro R, Muinelo-Romay L, Mondelo-Macía P, Salgado M, Iglesias-Gómez A, Codesido-Prada L, Cubiella J, Posada D. Comparative analysis of capture methods for genomic profiling of circulating tumor cells in colorectal cancer. Genomics 2022; 114:110500. [PMID: 36202322 DOI: 10.1016/j.ygeno.2022.110500] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 09/23/2022] [Accepted: 10/02/2022] [Indexed: 01/14/2023]
Abstract
The genomic profiling of circulating tumor cells (CTCs) in the bloodstream should provide clinically relevant information on therapeutic efficacy and help predict cancer survival. Here, we contrasted the genomic profiles of CTC pools recovered from metastatic colorectal cancer (mCRC) patients using different enrichment strategies (CellSearch, Parsortix, and FACS). Mutations inferred in the CTC pools differed depending on the enrichment strategy and, in all cases, represented a subset of the mutations detected in the matched primary tumor samples. However, the CTC pools from Parsortix, and in part, CellSearch, showed diversity estimates, mutational signatures, and drug-suitability scores remarkably close to those found in matching primary tumor samples. In addition, FACS CTC pools were enriched in apparent sequencing artifacts, leading to much higher genomic diversity estimates. Our results highlight the utility of CTCs to assess the genomic heterogeneity of individual tumors and help clinicians prioritize drugs in mCRC.
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Affiliation(s)
- Joao M Alves
- CINBIO, Universidade de Vigo, 36310 Vigo, Spain; Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, Spain.
| | - Nuria Estévez-Gómez
- CINBIO, Universidade de Vigo, 36310 Vigo, Spain; Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, Spain
| | - Monica Valecha
- CINBIO, Universidade de Vigo, 36310 Vigo, Spain; Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, Spain
| | - Sonia Prado-López
- CINBIO, Universidade de Vigo, 36310 Vigo, Spain; Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, Spain
| | - Laura Tomás
- CINBIO, Universidade de Vigo, 36310 Vigo, Spain; Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, Spain
| | - Pilar Alvariño
- CINBIO, Universidade de Vigo, 36310 Vigo, Spain; Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, Spain
| | - Roberto Piñeiro
- Roche-Chus Joint Unit, Translational Medical Oncology Group, Oncomet, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Laura Muinelo-Romay
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain; Liquid Biopsy Analysis Unit, Translational Medical Oncology Group, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Patricia Mondelo-Macía
- Liquid Biopsy Analysis Unit, Translational Medical Oncology Group, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Mercedes Salgado
- Department of Oncology, Hospital Universitario de Ourense, Research Group in Gastrointestinal Oncology-Ourense, Ourense, Spain
| | - Agueda Iglesias-Gómez
- Department of Gastroenterology Hospital Universitario de Ourense, Research Group in Gastrointestinal Oncology-Ourense, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Ourense, Spain
| | - Laura Codesido-Prada
- Department of Gastroenterology Hospital Universitario de Ourense, Research Group in Gastrointestinal Oncology-Ourense, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Ourense, Spain
| | - Joaquin Cubiella
- Department of Gastroenterology Hospital Universitario de Ourense, Research Group in Gastrointestinal Oncology-Ourense, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Ourense, Spain
| | - David Posada
- CINBIO, Universidade de Vigo, 36310 Vigo, Spain; Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, Spain; Department of Biochemistry, Genetics, and Immunology, Universidade de Vigo, 36310 Vigo, Spain.
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63
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Drug susceptibility testing of circulating lung cancer cells for personalized treatment. MEDICAL ONCOLOGY (NORTHWOOD, LONDON, ENGLAND) 2022; 40:1. [PMID: 36308571 DOI: 10.1007/s12032-022-01860-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 09/19/2022] [Indexed: 01/17/2023]
Abstract
The presence of Circulating tumor cells (CTCs) has been proven to be correlated with disease progression and the patient's response to treatment. However, the culture of CTCs for clinical utility is still a big challenge. We have developed a short-term method that enables CTCs culture and provides an opportunity to monitor drug susceptibility testing in individual patients. In a proof-of-concept study, we established a unique method using Matrigel® coated in 96 well plate to enable cancer cell clusters to attach and proliferate. The culture method using Matrigel® provides in vitro conditions and improves the attachment and differentiation of anchorage-dependent epithelial cells proliferation and mimics the tumor microenvironment. We further treated the cells attached to Matrigel® with the same drug regimen as the patient has undergone. Around 30.7% of the CTCs were viable after the drug treatment. We also correlated the decrease in cell viability after drug treatment with the reduction in the pleural effusion of the patient as seen by the images obtained from CT scans pre-and post-treatment. Moreover, as per the RECIST criterion, the patient had exhibited a positive response to the treatment. The short-term culturing of CTC along with the drug susceptibility testing offers a novel method to predict patient response to the treatment and could be utilized for screening suitable drug combinations for personalized treatment.
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64
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Zhang Z, Wu H, Chong W, Shang L, Jing C, Li L. Liquid biopsy in gastric cancer: predictive and prognostic biomarkers. Cell Death Dis 2022; 13:903. [PMID: 36302755 PMCID: PMC9613678 DOI: 10.1038/s41419-022-05350-2] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 10/12/2022] [Accepted: 10/14/2022] [Indexed: 11/11/2022]
Abstract
Gastric cancer (GC) is a high-incidence cancer worldwide. Most patients are diagnosed at an advanced stage, by which time they have limited treatment options and poor prognosis. Early diagnosis and precise treatment are important. In the past few years, emerging research has been conducted on the use of non-invasive liquid biopsy, with its advantages of minimal invasiveness and repeated sampling, to monitor tumor occurrence and recurrence in real time and to evaluate prognosis and treatment response. Many studies have demonstrated the potential of liquid biopsy in GC, and the detection of circulating tumor cells (CTCs), circulating tumor DNA (ctDNA), circulating free DNA (cfDNA), and exosomes has achieved gratifying results. In this review, we summarize evolving technologies for and information regarding liquid biopsy, the most recently discovered GC liquid biopsy biomarkers, and ongoing clinical trials and discuss the challenges and application prospects of liquid biopsy in GC.
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Affiliation(s)
- Zihao Zhang
- Department of Gastrointestinal Surgery, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, 250021, China
| | - Hao Wu
- Department of Gastrointestinal Surgery, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, 250021, China
- Department of Gastrointestinal Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China
- Key Laboratory of Engineering of Shandong Province, Shandong Provincial Hospital, Jinan, Shandong, 250021, China
- Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Shandong, 250021, China
- Department of General Surgery, Peking Union Medical College, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Wei Chong
- Department of Gastrointestinal Surgery, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, 250021, China
- Department of Gastrointestinal Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China
- Key Laboratory of Engineering of Shandong Province, Shandong Provincial Hospital, Jinan, Shandong, 250021, China
- Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Shandong, 250021, China
| | - Liang Shang
- Department of Gastrointestinal Surgery, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, 250021, China.
- Department of Gastrointestinal Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China.
- Key Laboratory of Engineering of Shandong Province, Shandong Provincial Hospital, Jinan, Shandong, 250021, China.
- Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Shandong, 250021, China.
| | - Changqing Jing
- Department of Gastrointestinal Surgery, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, 250021, China.
- Department of Gastrointestinal Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China.
- Key Laboratory of Engineering of Shandong Province, Shandong Provincial Hospital, Jinan, Shandong, 250021, China.
- Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Shandong, 250021, China.
| | - Leping Li
- Department of Gastrointestinal Surgery, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, 250021, China.
- Department of Gastrointestinal Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China.
- Key Laboratory of Engineering of Shandong Province, Shandong Provincial Hospital, Jinan, Shandong, 250021, China.
- Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Shandong, 250021, China.
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65
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Mondelo-Macía P, García-González J, Abalo A, Mosquera-Presedo M, Aguín S, Mateos M, López-López R, León-Mateos L, Muinelo-Romay L, Díaz-Peña R. Plasma cell-free DNA and circulating tumor cells as prognostic biomarkers in small cell lung cancer patients. Transl Lung Cancer Res 2022; 11:1995-2009. [PMID: 36386449 PMCID: PMC9641037 DOI: 10.21037/tlcr-22-273] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 08/31/2022] [Indexed: 12/01/2023]
Abstract
BACKGROUND Lack of biomarkers for treatment selection and monitoring in small cell lung cancer (SCLC) patients with the limited therapeutic options, result in poor outcomes. Therefore, new prognostic biomarkers are needed to improve their management. The prognostic value of cell-free DNA (cfDNA) and circulating tumor cells (CTCs) have been less explored in SCLC. METHODS We quantified cfDNA in 46 SCLC patients at different times during first-line of chemotherapy or chemo-immunotherapy. Moreover, CTCs were analyzed in 21 patients before therapy onset using CellSearch® system. The possible association between both biomarkers and patients' outcomes was investigated in order to develop a prognostic model. RESULTS High cfDNA levels before therapy were associated with shorter progression-free survival (PFS) and overall survival (OS). Furthermore, cfDNA levels at 3 weeks and at progression disease were also associated with patients' outcomes. Multivariate analyses confirmed the independence of cfDNA levels as a prognostic biomarker. Finally, the three-risk category prognostic model developed included Eastern Cooperative Oncology Group Performance Status (ECOG PS), gender and baseline cfDNA levels was associated with a higher risk of progression and death. CONCLUSIONS We confirmed the prognostic utility of cfDNA quantitative analysis in SCLC patients before and during therapy. Our novel risk prognostic model in clinical practice will allow to identify patients who could benefit with actual therapies.
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Affiliation(s)
- Patricia Mondelo-Macía
- Liquid Biopsy Analysis Unit, Translational Medical Oncology (Oncomet), Health Research Institute of Santiago (IDIS), Santiago de Compostela, Spain
- University of Santiago de Compostela (USC), Santiago de Compostela, Spain
| | - Jorge García-González
- Department of Medical Oncology, Complexo Hospitalario Universitario de Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
- Translational Medical Oncology (Oncomet), Health Research Institute of Santiago (IDIS), Santiago de Compostela, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Alicia Abalo
- Liquid Biopsy Analysis Unit, Translational Medical Oncology (Oncomet), Health Research Institute of Santiago (IDIS), Santiago de Compostela, Spain
| | | | - Santiago Aguín
- Department of Medical Oncology, Complexo Hospitalario Universitario de Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
- Translational Medical Oncology (Oncomet), Health Research Institute of Santiago (IDIS), Santiago de Compostela, Spain
| | - María Mateos
- Department of Medical Oncology, Complexo Hospitalario Universitario de Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
- Translational Medical Oncology (Oncomet), Health Research Institute of Santiago (IDIS), Santiago de Compostela, Spain
| | - Rafael López-López
- Department of Medical Oncology, Complexo Hospitalario Universitario de Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
- Translational Medical Oncology (Oncomet), Health Research Institute of Santiago (IDIS), Santiago de Compostela, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Luis León-Mateos
- University of Santiago de Compostela (USC), Santiago de Compostela, Spain
- Department of Medical Oncology, Complexo Hospitalario Universitario de Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
- Translational Medical Oncology (Oncomet), Health Research Institute of Santiago (IDIS), Santiago de Compostela, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Laura Muinelo-Romay
- Liquid Biopsy Analysis Unit, Translational Medical Oncology (Oncomet), Health Research Institute of Santiago (IDIS), Santiago de Compostela, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Roberto Díaz-Peña
- Liquid Biopsy Analysis Unit, Translational Medical Oncology (Oncomet), Health Research Institute of Santiago (IDIS), Santiago de Compostela, Spain
- Laboratory of Cellular and Molecular Pathology, Institute of Biomedical Sciences, Faculty of Health Sciences, Universidad Autónoma de Chile, Talca, Chile
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66
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Multianalyte liquid biopsy to aid the diagnostic workup of breast cancer. NPJ Breast Cancer 2022; 8:112. [PMID: 36167819 PMCID: PMC9515081 DOI: 10.1038/s41523-022-00480-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 09/16/2022] [Indexed: 11/19/2022] Open
Abstract
Breast cancer (BC) affects 1 in every 8 women in the United States and is currently the most prevalent cancer worldwide. Precise staging at diagnosis and prognosis are essential components for the clinical management of BC patients. In this study, we set out to evaluate the feasibility of the high-definition single cell (HDSCA) liquid biopsy (LBx) platform to stratify late-stage BC, early-stage BC, and normal donors using peripheral blood samples. Utilizing 5 biomarkers, we identified rare circulating events with epithelial, mesenchymal, endothelial and hematological origin. We detected a higher level of CTCs in late-stage patients, compared to the early-stage and normal donors. Additionally, we observed more tumor-associated large extracellular vesicles (LEVs) in the early-stage, compared to late-stage and the normal donor groups. Overall, we were able to detect reproducible patterns in the enumeration of rare cells and LEVs of cancer vs. normal donors and early-stage vs. late-stage BC with high accuracy, allowing for robust stratification. Our findings illustrate the feasibility of the LBx assay to provide robust detection of rare circulating events in peripheral blood draws and to stratify late-stage BC, early-stage BC, and normal donor samples.
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Genomic and Epigenomic Features of Glioblastoma Multiforme and its Biomarkers. JOURNAL OF ONCOLOGY 2022; 2022:4022960. [PMID: 36185622 PMCID: PMC9519330 DOI: 10.1155/2022/4022960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 08/14/2022] [Accepted: 09/10/2022] [Indexed: 11/22/2022]
Abstract
Glioblastoma multiforme is a serious and life-threatening tumor of central nervous system, characterized by aggressive behavior, poor prognosis, and low survival rate. Despite of the availability of aggressive antitumor therapeutic regimen for glioblastoma (radiotherapy followed by chemotherapeutic dose), recovery rate, and patients' survival ratio is attributed to the lack of selectivity of therapeutic drugs and less advancement in cancer therapeutics over last decade. Moreover, tools employed in conventional diagnosis of glioblastoma are more invasive and painful, making the process excruciating for the patients. These challenges urge for the need of novel biomarkers for diagnosis, prognosis, and prediction purpose with less invasiveness and more patient compliance. This article will explore the genetic biomarkers isocitrate dehydrogenase mutation, MGMT mutations, and EGFR that can be deployed as an analytical tool in diagnosis of disease and prognosis of a therapeutic course. The review also highlights the importance of employing novel microRNAs as prognostic biomarkers. Recent clinical advancements to treat GBM and to prevent relapse of the disease are also discussed in this article in the hope of finding a robust and effective method to treat GBM.
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68
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How do cells stiffen? Biochem J 2022; 479:1825-1842. [PMID: 36094371 DOI: 10.1042/bcj20210806] [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: 05/11/2022] [Revised: 08/21/2022] [Accepted: 08/24/2022] [Indexed: 11/17/2022]
Abstract
Cell stiffness is an important characteristic of cells and their response to external stimuli. In this review, we survey methods used to measure cell stiffness, summarize stimuli that alter cell stiffness, and discuss signaling pathways and mechanisms that control cell stiffness. Several pathological states are characterized by changes in cell stiffness, suggesting this property can serve as a potential diagnostic marker or therapeutic target. Therefore, we consider the effect of cell stiffness on signaling and growth processes required for homeostasis and dysfunction in healthy and pathological states. Specifically, the composition and structure of the cell membrane and cytoskeleton are major determinants of cell stiffness, and studies have identified signaling pathways that affect cytoskeletal dynamics both directly and by altered gene expression. We present the results of studies interrogating the effects of biophysical and biochemical stimuli on the cytoskeleton and other cellular components and how these factors determine the stiffness of both individual cells and multicellular structures. Overall, these studies represent an intersection of the fields of polymer physics, protein biochemistry, and mechanics, and identify specific mechanisms involved in mediating cell stiffness that can serve as therapeutic targets.
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69
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Recent advances in integrated microfluidics for liquid biopsies and future directions. Biosens Bioelectron 2022; 217:114715. [PMID: 36174359 DOI: 10.1016/j.bios.2022.114715] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 07/20/2022] [Accepted: 09/09/2022] [Indexed: 12/12/2022]
Abstract
Liquid biopsies have piqued the interest of researchers as a new tumor diagnosis technique due to their unique benefits of non-invasiveness, sensitivity, and convenience. Recent advances in microfluidic technology have integrated separation, purification, and detection, allowing for high-throughput, high-sensitivity, and high-controllability detection of specific biomarkers in liquid biopsies. With the increasing demand for tumor detection and individualized treatment, new challenges are emerging for the ever-improving microfluidic technology. The state-of-the-art microfluidic design and fabrications have been reviewed in this manuscript, and how this technology can be applied to liquid biopsies from the point of view of the detection process. The primary discussion objectives are circulating tumor cells (CTCs), exosomes, and circulating nucleic acid (ctDNA). Furthermore, the challenges and future direction of microfluidic technology in detecting liquid biomarkers have been discussed.
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70
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Hirotsu A, Kikuchi H, Yamada H, Ozaki Y, Haneda R, Kawata S, Murakami T, Matsumoto T, Hiramatsu Y, Kamiya K, Yamashita D, Fujimori Y, Ueda Y, Okazaki S, Kitagawa M, Konno H, Takeuchi H. Artificial intelligence-based classification of peripheral blood nucleated cells using label-free imaging flow cytometry. LAB ON A CHIP 2022; 22:3464-3474. [PMID: 35942978 DOI: 10.1039/d2lc00166g] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Label-free image identification of circulating rare cells, such as circulating tumor cells within peripheral blood nucleated cells (PBNCs), the vast majority of which are white blood cells (WBCs), remains challenging. We previously described developing label-free image cytometry for classifying live cells using computer vision technology for pattern recognition, based on the subcellular structure of the quantitative phase microscopy images. We applied our image recognition methods to cells flowing in a flow cytometer microfluidic channel, and differentiated WBCs from cancer cell lines (area under receiver operating characteristic curve = 0.957). We then applied this method to healthy volunteers' and advanced cancer patients' blood samples and found that the non-WBC fraction rates (NWBC-FRs), defined as the percentage of cells classified as non-WBCs of the total PBNCs, were significantly higher in cancer patients than in healthy volunteers. Furthermore, we monitored NWBC-FRs over the therapeutic courses in cancer patients, which revealed the potential ability in monitoring the clinical status during therapy. Our image recognition system has the potential to provide a morphological diagnostic tool for circulating rare cells as non-WBC fractions.
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Affiliation(s)
- Amane Hirotsu
- Department of Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Japan.
| | - Hirotoshi Kikuchi
- Department of Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Japan.
| | - Hidenao Yamada
- Central Research Laboratory, Hamamatsu Photonics K.K, Hamamatsu, Shizuoka, Japan
| | - Yusuke Ozaki
- Department of Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Japan.
| | - Ryoma Haneda
- Department of Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Japan.
| | - Sanshiro Kawata
- Department of Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Japan.
| | - Tomohiro Murakami
- Department of Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Japan.
| | - Tomohiro Matsumoto
- Department of Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Japan.
| | - Yoshihiro Hiramatsu
- Department Perioperative Functioning Care and Support, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Japan
| | - Kinji Kamiya
- Department of Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Japan.
| | - Daisuke Yamashita
- Central Research Laboratory, Hamamatsu Photonics K.K, Hamamatsu, Shizuoka, Japan
| | - Yuki Fujimori
- Central Research Laboratory, Hamamatsu Photonics K.K, Hamamatsu, Shizuoka, Japan
| | - Yukio Ueda
- Central Research Laboratory, Hamamatsu Photonics K.K, Hamamatsu, Shizuoka, Japan
| | - Shigetoshi Okazaki
- HAMAMATSU BioPhotonics Innovation Chair, Institute for Medical Photonics Research, Preeminent Medical Photonics Education and Research Centre, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Japan
| | - Masatoshi Kitagawa
- Department of Molecular Biology, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Japan
- Laboratory Animal Facilities and Services, Preeminent Medical Photonics Education and Research Centre, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Japan
| | - Hiroyuki Konno
- Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Japan
| | - Hiroya Takeuchi
- Department of Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Japan.
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Zhang Y, Song L, Zeng L, Xiong Y, Liu L, Zhou C, Yang H, Wang Z, Xia Q, Jiang W, Xu Q, Yang N. Sintilimab plus docetaxel as second-line therapy of advanced non-small cell lung cancer without targetable mutations: a phase II efficacy and biomarker study. BMC Cancer 2022; 22:952. [PMID: 36064386 PMCID: PMC9446552 DOI: 10.1186/s12885-022-10045-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 08/31/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Single-agent immunotherapy is currently the recommended second-line therapy for patients with advanced non-small cell lung cancer (NSCLC) without targetable mutations; however, the objective response rate (ORR) remains low. This phase II study evaluated the efficacy of the combination therapy of sintilimab plus docetaxel and explored potential biomarkers for efficacy prediction. METHODS Thirty patients with NSCLC without targetable mutations whose disease progressed from first-line platinum-based chemotherapy from October 2019 to December 2020 were enrolled in this single-arm, single-center, phase II trial. Sintilimab (200 mg) and docetaxel (75 mg/m2) were administered every 3 weeks until progression. The primary endpoint was ORR. Secondary endpoints included progression-free survival (PFS), overall survival (OS), and safety. Biomarker analyses of blood and tissue samples were also performed. RESULTS Among 30 patients, 11 patients had partial response, resulting in an ORR of 36.7%. The median PFS was 5.0 months (95%CI: 3.9-6.1) and OS was 13.4 months (95%CI: 5.6-21.2). The most common immune-related adverse event of any grade was hepatitis, observed in 23.3% (7/30) of patients. Treatment-emergent adverse events were manageable. Patients detected with high PD-L1 expression in circulating tumor cells (cutoff value ≥32.5% based on the median CTC-PD-L1 expression) achieved significantly higher ORR (60% versus 13.3%, p = 0.021) and significantly longer median PFS (6.0 versus 3.5 months, p = 0.011) and median OS (15.8 versus 9.0 months, p = 0.038) than those with low CTC-PD-L1 level. Patients detected with PD-L1 < 1% and CD8 ≥ 1% expression from their baseline tissue samples had significantly higher ORR (83.3% versus 12.5%, p = 0.026) but similar PFS (p = 0.62) and OS (p = 0.15). CONCLUSION This study demonstrated the effectiveness and safety of sintilimab plus docetaxel as a second-line treatment of NSCLC without targetable mutations after progression from first-line platinum-based chemotherapy. TRIAL REGISTRATION This study was registered in the Clinical trials registry with ClinicalTrials.gov Identifier NCT03798743 (SUCCESS).
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Affiliation(s)
- Yongchang Zhang
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China.
- Graduate Collaborative Training Base of Hunan Cancer Hospital, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.
| | - Lianxi Song
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Graduate Collaborative Training Base of Hunan Cancer Hospital, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
- Department of Medical Oncology, Yiyang Central Hospital, Yiyang, 413000, China
| | - Liang Zeng
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Graduate Collaborative Training Base of Hunan Cancer Hospital, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Yi Xiong
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
| | - Li Liu
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
| | - Chunhua Zhou
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
| | - Haiyan Yang
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
| | - Zhan Wang
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
| | - Qing Xia
- State Key Laboratory for Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Department of Oncology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wenjuan Jiang
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
| | - Qinqin Xu
- Department of Medical Oncology, Qinghai Provincial People's Hospital, Xining, 810000, China
| | - Nong Yang
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China.
- Graduate Collaborative Training Base of Hunan Cancer Hospital, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.
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Pace J, Ivich F, Marple E, Niedre M. Near-infrared diffuse in vivo flow cytometry. JOURNAL OF BIOMEDICAL OPTICS 2022; 27:JBO-220101GR. [PMID: 36114606 PMCID: PMC9478904 DOI: 10.1117/1.jbo.27.9.097002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 09/07/2022] [Indexed: 06/15/2023]
Abstract
Significance Diffuse in vivo flow cytometry (DiFC) is an emerging technique for enumerating rare fluorescently labeled circulating cells noninvasively in the bloodstream. Thus far, we have reported red and blue-green versions of DiFC. Use of near-infrared (NIR) fluorescent light would in principle allow use of DiFC in deeper tissues and would be compatible with emerging NIR fluorescence molecular contrast agents. Aim We describe the design of a NIR-DiFC instrument and demonstrate its use in optical flow phantoms in vitro and in mice in vivo. Approach We developed an improved optical fiber probe design for efficient collection of fluorescence from individual circulating cells and efficient rejection of instrument autofluorescence. We built a NIR-DiFC instrument. We tested this with NIR fluorescent microspheres and cell lines labeled with OTL38 fluorescence contrast agent in a flow phantom model. We also tested NIR-DiFC in nude mice injected intravenously with OTL38-labeled L1210A cells. Results NIR-DiFC allowed detection of circulating tumor cells (CTCs) in flow phantoms with mean signal-to-noise ratios (SNRs) of 19 to 32 dB. In mice, fluorescently labeled CTCs were detectable with mean SNR of 26 dB. NIR-DiFC also exhibited orders significantly lower autofluorescence and false-alarm rates than blue-green DiFC. Conclusions NIR-DiFC allows use of emerging NIR contrast agents. Our work could pave the way for future use of NIR-DiFC in humans.
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Affiliation(s)
- Joshua Pace
- Northeastern University, Department of Bioengineering, Boston, Massachusetts, United States
| | - Fernando Ivich
- Northeastern University, Department of Bioengineering, Boston, Massachusetts, United States
| | - Eric Marple
- EmVision LLC, Loxahatchee, Florida, United States
| | - Mark Niedre
- Northeastern University, Department of Bioengineering, Boston, Massachusetts, United States
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Słomka A, Wang B, Mocan T, Horhat A, Willms AG, Schmidt-Wolf IGH, Strassburg CP, Gonzalez-Carmona MA, Lukacs-Kornek V, Kornek MT. Extracellular Vesicles and Circulating Tumour Cells - complementary liquid biopsies or standalone concepts? Theranostics 2022; 12:5836-5855. [PMID: 35966579 PMCID: PMC9373826 DOI: 10.7150/thno.73400] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 07/06/2022] [Indexed: 12/11/2022] Open
Abstract
Liquid biopsies do promise a lot, but are they keeping it? In the past decade, additional novel biomarkers qualified to be called like that, of which, some took necessary hurdles resulting in FDA approval and clinical use. Some others are since a while around, well known and were once regarded to be a game changer in cancer diagnosis or cancer screening. But, during their clinical use limitations were observed from statistical significance and questions raised regarding their robustness, that eventually led to be dropped from associated clinical guidelines for certain applications including cancer diagnosis. The purpose of this review isn't to give a broad overview of all current liquid biopsy as biomarkers, weight them and promise a brighter future in cancer prevention, but rather to take a deeper look on two of those who do qualify to be called liquid biopsies now or then. These two are probably of greatest interest conceptually and methodically, and likely have the highest chances to be in clinical use soon, with a portfolio extension over their original conceptual usage. We aim to dig deeper beyond cancer diagnosis or cancer screening. Actually, we aim to review in depth extracellular vesicles (EVs) and compare with circulating tumour cells (CTCs). The latter methodology is partially FDA approved and in clinical use. We will lay out similarities as taking advantage of surface antigens on EVs and CTCs in case of characterization and quantification. But drawing readers' attention to downstream application based on capture/isolation methodology and simply on their overall nature, here apparently being living material eventually recoverable as CTCs are vs. dead material with transient effects on recipient cell as in case of EVs. All this we try to bring in perspective, compare and conclude towards which future direction we are aiming for, or should aim for. Do we announce a winner between CTCs vs EVs? No, but we provide good reasons to intensify research on them.
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Affiliation(s)
- Artur Słomka
- Department of Pathophysiology, Nicolaus Copernicus University in Toruń, Ludwik Rydygier Collegium Medicum in Bydgoszcz, 85-067 Bydgoszcz, Poland
| | - Bingduo Wang
- Department of Internal Medicine I, University Hospital Bonn of the Rheinische Friedrich-Wilhelms-University, 53127 Bonn, Germany.,Institute of Molecular Medicine & Experimental Immunology, University Hospital Bonn of the Rheinische Friedrich-Wilhelms-University, 53127 Bonn, Germany
| | - Tudor Mocan
- Octavian Fodor Institute for Gastroenterology and Hepatology, Iuliu Haţieganu, University of Medicine and Pharmacy, 400162 Cluj-Napoca, Romania
| | - Adelina Horhat
- Octavian Fodor Institute for Gastroenterology and Hepatology, Iuliu Haţieganu, University of Medicine and Pharmacy, 400162 Cluj-Napoca, Romania
| | - Arnulf G Willms
- Institute of Molecular Medicine & Experimental Immunology, University Hospital Bonn of the Rheinische Friedrich-Wilhelms-University, 53127 Bonn, Germany.,Department of General, Visceral and Vascular Surgery, German Armed Forces Hospital Hamburg, 22049 Hamburg, Germany
| | - Ingo G H Schmidt-Wolf
- Department of Integrated Oncology, Center for Integrated Oncology (CIO), University Hospital Bonn of the Rheinische Friedrich-Wilhelms-University, 53127 Bonn, Germany
| | - Christian P Strassburg
- Department of Internal Medicine I, University Hospital Bonn of the Rheinische Friedrich-Wilhelms-University, 53127 Bonn, Germany
| | - Maria A Gonzalez-Carmona
- Department of Internal Medicine I, University Hospital Bonn of the Rheinische Friedrich-Wilhelms-University, 53127 Bonn, Germany
| | - Veronika Lukacs-Kornek
- Institute of Molecular Medicine & Experimental Immunology, University Hospital Bonn of the Rheinische Friedrich-Wilhelms-University, 53127 Bonn, Germany
| | - Miroslaw T Kornek
- Department of Internal Medicine I, University Hospital Bonn of the Rheinische Friedrich-Wilhelms-University, 53127 Bonn, Germany
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Genta S, Coburn B, Cescon DW, Spreafico A. Patient-derived cancer models: Valuable platforms for anticancer drug testing. Front Oncol 2022; 12:976065. [PMID: 36033445 PMCID: PMC9413077 DOI: 10.3389/fonc.2022.976065] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 07/12/2022] [Indexed: 11/13/2022] Open
Abstract
Molecularly targeted treatments and immunotherapy are cornerstones in oncology, with demonstrated efficacy across different tumor types. Nevertheless, the overwhelming majority metastatic disease is incurable due to the onset of drug resistance. Preclinical models including genetically engineered mouse models, patient-derived xenografts and two- and three-dimensional cell cultures have emerged as a useful resource to study mechanisms of cancer progression and predict efficacy of anticancer drugs. However, variables including tumor heterogeneity and the complexities of the microenvironment can impair the faithfulness of these platforms. Here, we will discuss advantages and limitations of these preclinical models, their applicability for drug testing and in co-clinical trials and potential strategies to increase their reliability in predicting responsiveness to anticancer medications.
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Affiliation(s)
- Sofia Genta
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, University of Toronto, Toronto, ON, Canada
| | - Bryan Coburn
- Division of Infectious Diseases, Toronto General Hospital, University Health Network, Toronto, ON, Canada
| | - David W. Cescon
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, University of Toronto, Toronto, ON, Canada
| | - Anna Spreafico
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University Health Network, University of Toronto, Toronto, ON, Canada
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Keogh A, Finn S, Radonic T. Emerging Biomarkers and the Changing Landscape of Small Cell Lung Cancer. Cancers (Basel) 2022; 14:cancers14153772. [PMID: 35954436 PMCID: PMC9367597 DOI: 10.3390/cancers14153772] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 07/26/2022] [Accepted: 07/26/2022] [Indexed: 12/26/2022] Open
Abstract
Simple Summary Small cell lung cancer (SCLC) is an aggressive cancer representing 15% of all lung cancers. Unlike other types of lung cancer, treatments for SCLC have changed very little in the past 20 years and therefore, the survival rate remains low. This is due, in part, to the lack of understanding of the biological basis of this disease and the previous idea that all SCLCs are the same. Multiple recent studies have identified that SCLCs have varying biological activity and can be divided into four different groups. The advantage of this is that each of these four groups responds differently to new treatments, which hopefully will dramatically improve survival. Additionally, the aim of these new treatments is to specifically target these biological differences in SCLC so normal/non cancer cells are unaffected, leading to decreased side effects and a better quality of life. There is still a lot unknown about SCLC, but these new findings offer a glimmer of hope for patients in the future. Abstract Small cell lung cancer (SCLC) is a high-grade neuroendocrine malignancy with an aggressive behavior and dismal prognosis. 5-year overall survival remains a disappointing 7%. Genomically, SCLCs are homogeneous compared to non-small cell lung cancers and are characterized almost always by functional inactivation of RB1 and TP53 with no actionable mutations. Additionally, SCLCs histologically appear uniform. Thus, SCLCs are currently managed as a single disease with platinum-based chemotherapy remaining the cornerstone of treatment. Recent studies have identified expression of dominant transcriptional signatures which may permit classification of SCLCs into four biologically distinct subtypes, namely, SCLC-A, SCLC-N, SCLC-P, and SCLC-I. These groups are readily detectable by immunohistochemistry and also have potential predictive utility for emerging therapies, including PARPi, immune checkpoint inhibitors, and DLL3 targeted therapies. In contrast with their histology, studies have identified that SCLCs display both inter- and intra-tumoral heterogeneity. Identification of subpopulations of cells with high expression of PLCG2 has been linked with risk of metastasis. SCLCs also display subtype switching under therapy pressure which may contribute furthermore to metastatic ability and chemoresistance. In this review, we summarize the recent developments in the understanding of the biology of SCLCs, and discuss the potential diagnostic, prognostic, and treatment opportunities the four proposed subtypes may present for the future. We also discuss the emerging evidence of tumor heterogeneity and plasticity in SCLCs which have been implicated in metastasis and acquired therapeutic resistance seen in these aggressive tumors.
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Affiliation(s)
- Anna Keogh
- Department of Histopathology, St. James’s Hospital, D08 NHY1 Dublin, Ireland;
- Department of Histopathology and Morbid Anatomy, Trinity Translational Medicine Institute, Trinity College Dublin, D08 HD53 Dublin, Ireland
- Correspondence:
| | - Stephen Finn
- Department of Histopathology, St. James’s Hospital, D08 NHY1 Dublin, Ireland;
- Department of Histopathology and Morbid Anatomy, Trinity Translational Medicine Institute, Trinity College Dublin, D08 HD53 Dublin, Ireland
| | - Teodora Radonic
- Department of Pathology, Amsterdam University Medical Center, VUMC, University Amsterdam, 1081 HV Amsterdam, The Netherlands;
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Montalbán-Hernández K, Cantero-Cid R, Casalvilla-Dueñas JC, Avendaño-Ortiz J, Marín E, Lozano-Rodríguez R, Terrón-Arcos V, Vicario-Bravo M, Marcano C, Saavedra-Ambrosy J, Prado-Montero J, Valentín J, Pérez de Diego R, Córdoba L, Pulido E, del Fresno C, Dueñas M, López-Collazo E. Colorectal Cancer Stem Cells Fuse with Monocytes to Form Tumour Hybrid Cells with the Ability to Migrate and Evade the Immune System. Cancers (Basel) 2022; 14:3445. [PMID: 35884505 PMCID: PMC9324286 DOI: 10.3390/cancers14143445] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/09/2022] [Accepted: 07/13/2022] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND The cancer cell fusion theory could be one of the best explanations for the metastasis from primary tumours. METHODS Herein, we co-cultured colorectal cancer (CRC) stem cells with human monocytes and analysed the properties of the generated tumour hybrid cells (THCs). The presence of THCs in the bloodstream together with samples from primary and metastatic lesions and their clinical correlations were evaluated in CRC patients and were detected by both FACS and immunofluorescence methods. Additionally, the role of SIGLEC5 as an immune evasion molecule in colorectal cancer was evaluated. RESULTS Our data demonstrated the generation of THCs after the in vitro co-culture of CRC stem cells and monocytes. These cells, defined as CD45+CD14+EpCAM+, showed enhanced migratory and proliferative abilities. The THC-specific cell surface signature allows identification in matched primary tumour tissues and metastases as well as in the bloodstream from patients with CRC, thus functioning as a biomarker. Moreover, SIG-LEC5 expression on in vitro generated THCs has shown to be involved in the mechanism for immune evasion. Additionally, sSIGLEC5 levels correlated with THC numbers in the prospective cohort of patients. CONCLUSIONS Our results indicate the generation of a hybrid entity after the in vitro co-culture between CRC stem cells and human monocytes. Moreover, THC numbers present in patients are related to both prognosis and the later spread of metastases in CRC patients.
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Affiliation(s)
- Karla Montalbán-Hernández
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain; (K.M.-H.); (R.C.-C.); (J.C.C.-D.); (J.A.-O.); (E.M.); (R.L.-R.); (V.T.-A.); (J.P.-M.); (J.V.); (R.P.d.D.); (L.C.); (E.P.); (C.d.F.)
- Tumour Immunology Lab, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain
| | - Ramón Cantero-Cid
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain; (K.M.-H.); (R.C.-C.); (J.C.C.-D.); (J.A.-O.); (E.M.); (R.L.-R.); (V.T.-A.); (J.P.-M.); (J.V.); (R.P.d.D.); (L.C.); (E.P.); (C.d.F.)
- Tumour Immunology Lab, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain
- Digestive Surgery Service, La Paz Univeristy Hospital, 28046 Madrid, Spain; (M.V.-B.); (C.M.); (J.S.-A.)
- Translational Research and Innovation in Surgery Group, La Paz Univeristy Hospital, 28046 Madrid, Spain
| | - José Carlos Casalvilla-Dueñas
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain; (K.M.-H.); (R.C.-C.); (J.C.C.-D.); (J.A.-O.); (E.M.); (R.L.-R.); (V.T.-A.); (J.P.-M.); (J.V.); (R.P.d.D.); (L.C.); (E.P.); (C.d.F.)
- Tumour Immunology Lab, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain
| | - José Avendaño-Ortiz
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain; (K.M.-H.); (R.C.-C.); (J.C.C.-D.); (J.A.-O.); (E.M.); (R.L.-R.); (V.T.-A.); (J.P.-M.); (J.V.); (R.P.d.D.); (L.C.); (E.P.); (C.d.F.)
- Tumour Immunology Lab, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain
- Biobank Platform, IdiPAZ, La Paz Universitary Hospital, 28046 Madrid, Spain
| | - Elvira Marín
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain; (K.M.-H.); (R.C.-C.); (J.C.C.-D.); (J.A.-O.); (E.M.); (R.L.-R.); (V.T.-A.); (J.P.-M.); (J.V.); (R.P.d.D.); (L.C.); (E.P.); (C.d.F.)
- Tumour Immunology Lab, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain
| | - Roberto Lozano-Rodríguez
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain; (K.M.-H.); (R.C.-C.); (J.C.C.-D.); (J.A.-O.); (E.M.); (R.L.-R.); (V.T.-A.); (J.P.-M.); (J.V.); (R.P.d.D.); (L.C.); (E.P.); (C.d.F.)
- Tumour Immunology Lab, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain
| | - Verónica Terrón-Arcos
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain; (K.M.-H.); (R.C.-C.); (J.C.C.-D.); (J.A.-O.); (E.M.); (R.L.-R.); (V.T.-A.); (J.P.-M.); (J.V.); (R.P.d.D.); (L.C.); (E.P.); (C.d.F.)
- Tumour Immunology Lab, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain
| | - Marina Vicario-Bravo
- Digestive Surgery Service, La Paz Univeristy Hospital, 28046 Madrid, Spain; (M.V.-B.); (C.M.); (J.S.-A.)
| | - Cristóbal Marcano
- Digestive Surgery Service, La Paz Univeristy Hospital, 28046 Madrid, Spain; (M.V.-B.); (C.M.); (J.S.-A.)
| | - Jorge Saavedra-Ambrosy
- Digestive Surgery Service, La Paz Univeristy Hospital, 28046 Madrid, Spain; (M.V.-B.); (C.M.); (J.S.-A.)
| | - Julia Prado-Montero
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain; (K.M.-H.); (R.C.-C.); (J.C.C.-D.); (J.A.-O.); (E.M.); (R.L.-R.); (V.T.-A.); (J.P.-M.); (J.V.); (R.P.d.D.); (L.C.); (E.P.); (C.d.F.)
- Tumour Immunology Lab, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain
| | - Jaime Valentín
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain; (K.M.-H.); (R.C.-C.); (J.C.C.-D.); (J.A.-O.); (E.M.); (R.L.-R.); (V.T.-A.); (J.P.-M.); (J.V.); (R.P.d.D.); (L.C.); (E.P.); (C.d.F.)
- Tumour Immunology Lab, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain
| | - Rebeca Pérez de Diego
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain; (K.M.-H.); (R.C.-C.); (J.C.C.-D.); (J.A.-O.); (E.M.); (R.L.-R.); (V.T.-A.); (J.P.-M.); (J.V.); (R.P.d.D.); (L.C.); (E.P.); (C.d.F.)
- Tumour Immunology Lab, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain
| | - Laura Córdoba
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain; (K.M.-H.); (R.C.-C.); (J.C.C.-D.); (J.A.-O.); (E.M.); (R.L.-R.); (V.T.-A.); (J.P.-M.); (J.V.); (R.P.d.D.); (L.C.); (E.P.); (C.d.F.)
- Tumour Immunology Lab, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain
- Biobank Platform, IdiPAZ, La Paz Universitary Hospital, 28046 Madrid, Spain
| | - Elisa Pulido
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain; (K.M.-H.); (R.C.-C.); (J.C.C.-D.); (J.A.-O.); (E.M.); (R.L.-R.); (V.T.-A.); (J.P.-M.); (J.V.); (R.P.d.D.); (L.C.); (E.P.); (C.d.F.)
- Tumour Immunology Lab, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain
| | - Carlos del Fresno
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain; (K.M.-H.); (R.C.-C.); (J.C.C.-D.); (J.A.-O.); (E.M.); (R.L.-R.); (V.T.-A.); (J.P.-M.); (J.V.); (R.P.d.D.); (L.C.); (E.P.); (C.d.F.)
- Tumour Immunology Lab, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain
| | - Marta Dueñas
- Molecular Oncology Unit, Biomedical Innovation Department, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain;
- Centre for Biomedical Research Network of Oncological Diseases (CIBERONC), 29029 Madrid, Spain
| | - Eduardo López-Collazo
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain; (K.M.-H.); (R.C.-C.); (J.C.C.-D.); (J.A.-O.); (E.M.); (R.L.-R.); (V.T.-A.); (J.P.-M.); (J.V.); (R.P.d.D.); (L.C.); (E.P.); (C.d.F.)
- Tumour Immunology Lab, IdiPAZ, La Paz University Hospital, 28046 Madrid, Spain
- Centre for Biomedical Research Network of Respiratory Diseases (CIBERES), 28029 Madrid, Spain
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Molecular biomarkers to help select neoadjuvant systemic therapy for urothelial carcinoma of the bladder. Curr Opin Urol 2022; 32:561-566. [DOI: 10.1097/mou.0000000000001013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Liquid Biopsy in Glioblastoma. Cancers (Basel) 2022; 14:cancers14143394. [PMID: 35884454 PMCID: PMC9323318 DOI: 10.3390/cancers14143394] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/10/2022] [Accepted: 07/11/2022] [Indexed: 12/27/2022] Open
Abstract
Simple Summary Glioblastoma is the most common and malignant primary brain tumor. Despite intensive research for new treatments, the survival of patients has not significantly improved in recent decades. Currently, glioblastoma is mainly diagnosed by neuroimaging techniques followed by histopathological and molecular analysis of the resected or biopsied tissue. Both imaging and tissue-based methods have, despite their advantages, some important limitations highlighting the necessity for alternative techniques such as liquid biopsy. It appears as an attractive and non-invasive alternative to support the diagnosis and the follow-up of patients with glioblastoma and to identify early recurrence. Liquid biopsy, primarily through blood tests, involves the detection and quantification of tumoral content released by tumors into the biofluids. The aim of the present review is to discuss the biological bases, the advantages, and the disadvantages of the most important circulating biomarkers so far proposed for glioblastoma. Abstract Glioblastoma (GBM) is the most common and aggressive primary brain tumor. Despite recent advances in therapy modalities, the overall survival of GBM patients remains poor. GBM diagnosis relies on neuroimaging techniques. However, confirmation via histopathological and molecular analysis is necessary. Given the intrinsic limitations of such techniques, liquid biopsy (mainly via blood samples) emerged as a non-invasive and easy-to-implement alternative that could aid in both the diagnosis and the follow-up of GBM patients. Cancer cells release tumoral content into the bloodstream, such as circulating tumor DNA, circulating microRNAs, circulating tumor cells, extracellular vesicles, or circulating nucleosomes: all these could serve as a marker of GBM. In this narrative review, we discuss the current knowledge, the advantages, and the disadvantages of each circulating biomarker so far proposed.
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Molecular and Circulating Biomarkers of Gastric Cancer. Int J Mol Sci 2022; 23:ijms23147588. [PMID: 35886934 PMCID: PMC9322632 DOI: 10.3390/ijms23147588] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/07/2022] [Accepted: 07/07/2022] [Indexed: 01/27/2023] Open
Abstract
Gastric cancer (GC)—a common tumor that affects humans worldwide—is highly malignant with a poor prognosis. GC is frequently not diagnosed until a relatively advanced stage. Early detection and efficient monitoring of tumor dynamics are prerequisites for reducing disease burden and mortality. Minimally invasive methods are needed to establish a diagnosis or monitoring the response to treatment of gastric cancer. Blood-based biomarker assays for the detection of early-stage GC could be of great relevance both for the risk group or for population-wide based screening programs, The currently used tumor marker assays for detecting GC are simple and rapid, but their use is limited by their low sensitivity and specificity. In recent years, several markers have been identified and tested for their clinical relevance in the management of gastric cancer. Here we review the available literature on plasma classical tumor markers, circulating free microRNAs (cfmiRNAs), circulating cell-free DNA (cfDNA), circulating tumor cells (CTCs), autoantibodies against tumor associated antigens (TAAs), and circulating extracellular vesicles (EVs) for diagnosis and monitoring of gastric cancer. This review summarizes the present status and approaches for these biomarkers, which could be potentially used for early diagnosis and accurate prediction of therapeutic approaches. We also discuss the future perspective and challenges in the search for new biomarkers of gastric cancer.
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Sankar K, Zeinali M, Nagrath S, Ramnath N. Molecular biomarkers and liquid biopsies in lung cancer. Semin Oncol 2022; 49:S0093-7754(22)00047-1. [PMID: 35820969 DOI: 10.1053/j.seminoncol.2022.06.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 06/13/2022] [Accepted: 06/13/2022] [Indexed: 12/27/2022]
Abstract
Liquid biopsy refers to the identification of tumor-derived materials in body fluids including in blood circulation. In the age of immunotherapy and targeted therapies used for the treatment of advanced malignancies, molecular analysis of the tumor is considered a crucial step to guide management. In lung cancer, the concept of liquid biopsies is particularly relevant given the invasiveness of tumor biopsies in certain locations, and the potential risks of biopsy in a patient population with significant co-morbidities. Liquid biopsies have many advantages including non-invasiveness, lower cost, potential for genomic testing, ability to monitor tumor evolution through treatment, and the ability to overcome spatial and temporal intertumoral heterogeneity. The potential clinical applications of liquid biopsy are vast and include screening, detection of minimal residual disease and/or early relapse after curative intent treatment, monitoring response to immunotherapy, and identifying mutations that might be targetable or can confer resistance. Herein, we review the potential role of circulating tumor DNA and circulating tumor cells as forms of liquid biopsies and blood biomarkers in non-small cell lung cancer. We discuss the methodologies/platforms available for each, clinical applications, and limitations/challenges in incorporation into clinical practice. We additionally review emerging forms of liquid biopsies including tumor educated platelets, circular RNA, and exosomes.
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Affiliation(s)
- Kamya Sankar
- Division of Hematology and Oncology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI
| | - Mina Zeinali
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI; Biointerfaces Institute, University of Michigan, Ann Arbor, MI; Rogel Cancer Center, University of Michigan, Ann Arbor, MI
| | - Sunitha Nagrath
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI; Biointerfaces Institute, University of Michigan, Ann Arbor, MI; Rogel Cancer Center, University of Michigan, Ann Arbor, MI
| | - Nithya Ramnath
- Division of Medical Oncology, Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, MI.
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81
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Qayyumi B, Bharde A, Aland G, D'Souza A, Jayant S, Singh N, Tripathi S, Badave R, Kale N, Singh B, Arora S, Gore I, Singh A, Vasudevan A, Prabhash K, Khandare J, Chaturvedi P. Circulating tumor cells as a predictor for poor prognostic factors and overall survival in treatment naïve oral squamous cell carcinoma patients. Oral Surg Oral Med Oral Pathol Oral Radiol 2022; 134:73-83. [PMID: 35595620 DOI: 10.1016/j.oooo.2022.02.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 01/10/2022] [Accepted: 02/28/2022] [Indexed: 12/24/2022]
Abstract
OBJECTIVE The aim of this study was to investigate the presence of circulating tumor cells (CTCs) and their correlation with prognostic factors and clinical outcomes in treatment-naive patients with oral squamous cell carcinoma. STUDY DESIGN CTCs were isolated using OncoDiscover technique from presurgically obtained peripheral blood of 152 patients with treatment naïve oral squamous cell carcinoma. Sensitivity analysis was performed by including 40 healthy controls. CTCs cutoff values for clinicopathologic factors were obtained from receiver operating characteristic curves. Multivariate models determined the significance of CTC as independent variables. Kaplan-Meier analysis differentiated in overall survival between CTC values corresponding to the stage. RESULTS Sensitivity, specificity, and accuracy of CTC detection were 94.32%, 98%, and 95.17%, respectively. Platform differentiated true positives at >3.5 CTCs (P < .00001). CTCs above 20.5 were suggestive of nodal metastasis (P < .0001) with a linear trend for detecting occult metastasis (P = .061). Early and advanced stages could be differentiated by >13.5 CTCs (P < .0001). Elevated CTCs were significantly associated with extranodal extension (>21.45 CTCs, P = .025), perineural invasion (>19.35 CTCs, P = .049), and depth of invasion (>12.5 CTCs, P = .0038). Median survival was reduced by 19 months when CTCs were >13. CONCLUSIONS Preoperative CTC levels demonstrated a strong correlation with adverse clinicopathology factors and suggested its role as a sensitive prognostic marker to predict survival outcome and disease progress.
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Affiliation(s)
- Burhanuddin Qayyumi
- Department of Head and Neck Surgical Oncology, Tata Memorial Hospital, Mumbai, India; Homi Bhabha National Institute, Mumbai, India
| | - Atul Bharde
- Department of Microbiology, Savitribai Phule Pune University, Pune, India
| | | | - Alain D'Souza
- Actorius Innovations and Research Pvt. Ltd., Pune, India
| | - Sreeja Jayant
- Actorius Innovations and Research Pvt. Ltd., Pune, India
| | - Nitin Singh
- Actorius Innovations and Research Pvt. Ltd., Pune, India
| | - Swati Tripathi
- Actorius Innovations and Research Pvt. Ltd., Pune, India
| | - Reecha Badave
- Actorius Innovations and Research Pvt. Ltd., Pune, India
| | - Narendra Kale
- Actorius Innovations and Research Pvt. Ltd., Pune, India
| | - Balram Singh
- Actorius Innovations and Research Pvt. Ltd., Pune, India
| | - Smriti Arora
- Actorius Innovations and Research Pvt. Ltd., Pune, India
| | - Isha Gore
- Actorius Innovations and Research Pvt. Ltd., Pune, India
| | - Arjun Singh
- Department of Head and Neck Surgical Oncology, Tata Memorial Hospital, Mumbai, India; Homi Bhabha National Institute, Mumbai, India
| | | | - Kumar Prabhash
- Department of Head and Neck Surgical Oncology, Tata Memorial Hospital, Mumbai, India; Homi Bhabha National Institute, Mumbai, India
| | - Jayant Khandare
- Actorius Innovations and Research Pvt. Ltd., Pune, India; Actorius Innovations and Research Co, Simi Valley, CA, USA; OneCell Diagnostics Inc, Cupertino, CA, USA; OneCell Diagnostics Pvt. Ltd., Pune, India.
| | - Pankaj Chaturvedi
- Department of Head and Neck Surgical Oncology, Tata Memorial Hospital, Mumbai, India; Homi Bhabha National Institute, Mumbai, India.
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82
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Zheng Y, Yang X. Application and prospect of single-cell sequencing in cancer metastasis. Future Oncol 2022; 18:2723-2736. [PMID: 35686493 DOI: 10.2217/fon-2022-0156] [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: 11/21/2022] Open
Abstract
Cancer metastasis is a complicated process driven by internal genetic variations and developed through interactions with the external environment. This process usually causes therapeutic resistance and results in a low survival rate. In recent years, single-cell sequencing has become a popular method for revealing the tumor evolutionary genetic lineage, intra-tumoral heterogeneity and tumor microenvironment of the metastasis process. So as to find more therapeutic targets for clinical application, the spatial transcriptomics method has become a new rising field of cancer studies, which promotes the combination between clinical medicine and molecular biology. In future prospects, more accurate and personalized treatment models will come into reality.
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Affiliation(s)
- Yue Zheng
- Department of Biochemistry & Molecular Biology, Basic Medical College, Shanxi Medical University, Taiyuan City, Shanxi Province, 030000, China
| | - Xiaofeng Yang
- Department of Urology, First Hospital of Shanxi Medical University,Taiyuan City, Shanxi Province, 030000, China
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83
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The metastatic spread of breast cancer accelerates during sleep. Nature 2022; 607:156-162. [PMID: 35732738 DOI: 10.1038/s41586-022-04875-y] [Citation(s) in RCA: 113] [Impact Index Per Article: 56.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Accepted: 05/16/2022] [Indexed: 12/20/2022]
Abstract
The metastatic spread of cancer is achieved by the haematogenous dissemination of circulating tumour cells (CTCs). Generally, however, the temporal dynamics that dictate the generation of metastasis-competent CTCs are largely uncharacterized, and it is often assumed that CTCs are constantly shed from growing tumours or are shed as a consequence of mechanical insults1. Here we observe a striking and unexpected pattern of CTC generation dynamics in both patients with breast cancer and mouse models, highlighting that most spontaneous CTC intravasation events occur during sleep. Further, we demonstrate that rest-phase CTCs are highly prone to metastasize, whereas CTCs generated during the active phase are devoid of metastatic ability. Mechanistically, single-cell RNA sequencing analysis of CTCs reveals a marked upregulation of mitotic genes exclusively during the rest phase in both patients and mouse models, enabling metastasis proficiency. Systemically, we find that key circadian rhythm hormones such as melatonin, testosterone and glucocorticoids dictate CTC generation dynamics, and as a consequence, that insulin directly promotes tumour cell proliferation in vivo, yet in a time-dependent manner. Thus, the spontaneous generation of CTCs with a high proclivity to metastasize does not occur continuously, but it is concentrated within the rest phase of the affected individual, providing a new rationale for time-controlled interrogation and treatment of metastasis-prone cancers.
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84
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Yu J, Li T, Han H, Zeng F, Wu Z, Zhang J, Chen Y, Sheng B, Deng S, Zhu P. Establishment of a 10-gene prognostic model for gastric cancer based on the tumor immune microenvironment. Anal Biochem 2022; 654:114794. [DOI: 10.1016/j.ab.2022.114794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 06/06/2022] [Accepted: 06/14/2022] [Indexed: 11/01/2022]
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85
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Beylerli O, Gareev I, Sufianov A, Ilyasova T, Guang Y. Long noncoding RNAs as promising biomarkers in cancer. Noncoding RNA Res 2022; 7:66-70. [PMID: 35310927 PMCID: PMC8891810 DOI: 10.1016/j.ncrna.2022.02.004] [Citation(s) in RCA: 81] [Impact Index Per Article: 40.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 02/21/2022] [Accepted: 02/21/2022] [Indexed: 12/14/2022] Open
Abstract
Despite many advances in diagnosis and therapy (surgery, radiation therapy, chemotherapy), cancer remains one of the most important public health problems worldwide. Every day, the role of exosomes in cancer development and metastasis is being better described. Liquid biopsy was developed for early detection of cancer through minimally invasive and serial examinations of body fluids, with the advantage of tracking tumor progression in real time. Exosomes are extracellular membrane vesicles with a diameter of 30-100 nm, which are secreted by various types of cells and are present in most biological fluids. For a long time, they were considered non-functional cellular components, and today it has already been proven that they are a means of intercellular information exchange. They can move bioactive molecules such as proteins, lipids, RNA and DNA. Several studies have shown that their contents, including proteins and noncoding nucleic acids, may be of particular interest as biomarkers of diseases. The vast majority of gene transcripts are actually characterized as noncoding RNAs (ncRNAs) and are clusters of RNAs that do not encode functional proteins. They can be small, about 20 nucleotides in length, and are known as microRNAs (miRNAs), or transcripts over 200 nucleotides in length, defined as long noncoding RNAs (lncRNAs). LncRNAs are a large group of ncRNAs over 200 nucleotides in length. LncRNAs, as regulatory factors, play an important role in complex cellular processes such as apoptosis, growth, differentiation, proliferation, etc. Recently, the results of many studies have also shown their essential role in carcinogenesis. Endogenous lncRNAs can be secreted by tumor cells into human biological fluids in the form of microvesicles, exosomes, or protein complexes, thereby forming circulating lncRNAs that are not degraded by RNA and are in a stable state. Aberrant expression of lncRNAs has been observed in cancer patients. In this context, endogenous lncRNAs can regulate the basic characteristics of cancer cells by controlling the expression of oncogenes associated with their suppressive and oncogenic functions. Therefore, circulating lncRNAs can be excellent biomarkers in cancer as well. This paper provides an overview of current research on the functional role of lncRNAs in cancer and their potential clinical applications as diagnostic biomarkers and therapeutic targets for cancer.
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Affiliation(s)
| | | | - Albert Sufianov
- Federal Center of Neurosurgery, Tyumen, Russia
- Department of Neurosurgery, Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Tatiana Ilyasova
- Bashkir State Medical University, Ufa, Republic of Bashkortostan, Russia
| | - Yang Guang
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
- Institute of Brain Science, Harbin Medical University, Harbin, China
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86
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Hu Y, Chen D, Napoleon JV, Srinivasarao M, Singhal S, Savran CA, Low PS. Efficient capture of circulating tumor cells with low molecular weight folate receptor-specific ligands. Sci Rep 2022; 12:8555. [PMID: 35595733 PMCID: PMC9122947 DOI: 10.1038/s41598-022-12118-3] [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: 12/21/2021] [Accepted: 04/29/2022] [Indexed: 11/09/2022] Open
Abstract
Retrieval of circulating tumor cells (CTC) has proven valuable for assessing a patient's cancer burden, evaluating response to therapy, and analyzing which drug might treat a cancer best. Although most isolation methods retrieve CTCs based on size, shape, or capture by tumor-specific antibodies, we explore here the use of small molecule tumor-specific ligands linked to magnetic beads for CTC capture. We have designed folic acid-biotin conjugates with different linkers for the capture of folate receptor (FR) + tumor cells spiked into whole blood, and application of the same technology to isolate FR + CTCs from the peripheral blood of both tumor-bearing mice and non-small cell lung patients. We demonstrate that folic acid linked via a rigid linker to a flexible PEG spacer that is in turn tethered to a magnetic bead enables optimal CTC retrieval, reaching nearly 100% capture when 100 cancer cells are spiked into 1 mL of aqueous buffer and ~ 90% capture when the same quantity of cells is diluted into whole blood. In a live animal model, the same methodology is shown to efficiently retrieve CTCs from tumor-bearing mice, yielding cancer cell counts that are proportional to total tumor burden. More importantly, the same method is shown to collect ~ 29 CTCs/8 mL peripheral blood from patients with non-small cell lung cancer. Since the ligand-presentation strategy optimized here should also prove useful in targeting other nanoparticles to other cells, the methods described below should have general applicability in the design of nanoparticles for cell-specific targeting.
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Affiliation(s)
- Yingwen Hu
- Department of Chemistry, Purdue Center for Cancer Research, Purdue Institute for Drug Discovery, Purdue University, 720 Clinic Drive, West Lafayette, IN, 47907, USA
| | - Danyang Chen
- Department of Chemistry, Purdue Center for Cancer Research, Purdue Institute for Drug Discovery, Purdue University, 720 Clinic Drive, West Lafayette, IN, 47907, USA
| | - John V Napoleon
- Department of Chemistry, Purdue Center for Cancer Research, Purdue Institute for Drug Discovery, Purdue University, 720 Clinic Drive, West Lafayette, IN, 47907, USA
| | - Madduri Srinivasarao
- Department of Chemistry, Purdue Center for Cancer Research, Purdue Institute for Drug Discovery, Purdue University, 720 Clinic Drive, West Lafayette, IN, 47907, USA
| | - Sunil Singhal
- Division of Thoracic Surgery, Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Cagri A Savran
- School of Mechanical Engineering, Birck Nanotechnology Center, Purdue Center for Cancer Research, Purdue University, 1205 W. State St., West Lafayette, IN, 47907, USA
| | - Philip S Low
- Department of Chemistry, Purdue Center for Cancer Research, Purdue Institute for Drug Discovery, Purdue University, 720 Clinic Drive, West Lafayette, IN, 47907, USA.
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87
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De Renzi G, De Marco G, De Meo M, Del Rosso E, Gazzaniga P, Nicolazzo C. In vitro cultures of circulating tumor cells: a potential tool to unravel drug sensitivity. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2022; 5:245-260. [PMID: 35582538 PMCID: PMC8992597 DOI: 10.20517/cdr.2021.121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 02/17/2022] [Accepted: 02/22/2022] [Indexed: 12/13/2022]
Abstract
Since taking part as leading actors in driving the metastatic process, circulating tumor cells (CTCs) have displayed a wide range of potential applications in the cancer-related research field. Besides their well-proved prognostic value, the role of CTCs in both predictive and diagnostics terms might be extremely informative about cancer properties and therefore highly helpful in the clinical decision-making process. Unfortunately, CTCs are scarcely released in the blood circulation and their counts vary a lot among different types of cancer, therefore CTC detection and consequent characterization are still highly challenging. In this context, in vitro CTC cultures could potentially offer a great opportunity to expand the number of tumor cells isolated at different stages of the disease and thus simplify the analysis of their biological and molecular features, allowing a deeper comprehension of the nature of neoplastic diseases. The aim of this review is to highlight the main attempts to establish in vitro CTC cultures from patients harboring different tumor types in order to highlight how powerful this practice could be, especially in optimizing the therapeutic strategies available in clinical practice and potentially preventing or contrasting the development of treatment resistance.
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Affiliation(s)
- Gianluigi De Renzi
- Cancer Liquid Biopsy Unit, Department of Molecular Medicine, Sapienza University of Rome, Rome 00161, Italy
| | - Giulia De Marco
- Cancer Liquid Biopsy Unit, Department of Molecular Medicine, Sapienza University of Rome, Rome 00161, Italy
| | - Michela De Meo
- Cancer Liquid Biopsy Unit, Department of Molecular Medicine, Sapienza University of Rome, Rome 00161, Italy
| | - Eleonora Del Rosso
- Cancer Liquid Biopsy Unit, Department of Molecular Medicine, Sapienza University of Rome, Rome 00161, Italy
| | - Paola Gazzaniga
- Cancer Liquid Biopsy Unit, Department of Molecular Medicine, Sapienza University of Rome, Rome 00161, Italy
| | - Chiara Nicolazzo
- Cancer Liquid Biopsy Unit, Department of Molecular Medicine, Sapienza University of Rome, Rome 00161, Italy
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88
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Cani AK, Dolce EM, Darga EP, Hu K, Liu C, Pierce J, Bradbury K, Kilgour E, Aung K, Schiavon G, Carroll D, Carr TH, Klinowska T, Lindemann J, Marshall G, Rowlands V, Harrington EA, Barrett JC, Sathiyayogan N, Morrow C, Sero V, Armstrong AC, Baird R, Hamilton E, Im S, Jhaveri K, Patel MR, Dive C, Tomlins SA, Udager AM, Hayes DF, Paoletti C. Serial monitoring of genomic alterations in circulating tumor cells of ER-positive/HER2-negative advanced breast cancer: feasibility of precision oncology biomarker detection. Mol Oncol 2022; 16:1969-1985. [PMID: 34866317 PMCID: PMC9120891 DOI: 10.1002/1878-0261.13150] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 10/02/2021] [Accepted: 12/01/2021] [Indexed: 12/18/2022] Open
Abstract
Nearly all estrogen receptor (ER)-positive (POS) metastatic breast cancers become refractory to endocrine (ET) and other therapies, leading to lethal disease presumably due to evolving genomic alterations. Timely monitoring of the molecular events associated with response/progression by serial tissue biopsies is logistically difficult. Use of liquid biopsies, including circulating tumor cells (CTC) and circulating tumor DNA (ctDNA), might provide highly informative, yet easily obtainable, evidence for better precision oncology care. Although ctDNA profiling has been well investigated, the CTC precision oncology genomic landscape and the advantages it may offer over ctDNA in ER-POS breast cancer remain largely unexplored. Whole-blood (WB) specimens were collected at serial time points from patients with advanced ER-POS/HER2-negative (NEG) advanced breast cancer in a phase I trial of AZD9496, an oral selective ER degrader (SERD) ET. Individual CTC were isolated from WB using tandem CellSearch® /DEPArray™ technologies and genomically profiled by targeted single-cell DNA next-generation sequencing (scNGS). High-quality CTC (n = 123) from 12 patients profiled by scNGS showed 100% concordance with ctDNA detection of driver estrogen receptor α (ESR1) mutations. We developed a novel CTC-based framework for precision medicine actionability reporting (MI-CTCseq) that incorporates novel features, such as clonal predominance and zygosity of targetable alterations, both unambiguously identifiable in CTC compared to ctDNA. Thus, we nominated opportunities for targeted therapies in 73% of patients, directed at alterations in phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha (PIK3CA), fibroblast growth factor receptor 2 (FGFR2), and KIT proto-oncogene, receptor tyrosine kinase (KIT). Intrapatient, inter-CTC genomic heterogeneity was observed, at times between time points, in subclonal alterations. Our analysis suggests that serial monitoring of the CTC genome is feasible and should enable real-time tracking of tumor evolution during progression, permitting more combination precision medicine interventions.
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89
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Li Y, Cai S, Shen H, Chen Y, Ge Z, Yang W. Recent advances in acoustic microfluidics and its exemplary applications. BIOMICROFLUIDICS 2022; 16:031502. [PMID: 35712527 PMCID: PMC9197543 DOI: 10.1063/5.0089051] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 05/24/2022] [Indexed: 05/14/2023]
Abstract
Acoustic-based microfluidics has been widely used in recent years for fundamental research due to its simple device design, biocompatibility, and contactless operation. In this article, the basic theory, typical devices, and technical applications of acoustic microfluidics technology are summarized. First, the theory of acoustic microfluidics is introduced from the classification of acoustic waves, acoustic radiation force, and streaming flow. Then, various applications of acoustic microfluidics including sorting, mixing, atomization, trapping, patterning, and acoustothermal heating are reviewed. Finally, the development trends of acoustic microfluidics in the future were summarized and looked forward to.
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Affiliation(s)
- Yue Li
- School of Electromechanical and Automotive Engineering, Yantai University, Yantai 264005, China
| | - Shuxiang Cai
- School of Electromechanical and Automotive Engineering, Yantai University, Yantai 264005, China
| | - Honglin Shen
- School of Electromechanical and Automotive Engineering, Yantai University, Yantai 264005, China
| | - Yibao Chen
- School of Electromechanical and Automotive Engineering, Yantai University, Yantai 264005, China
| | - Zhixing Ge
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
| | - Wenguang Yang
- School of Electromechanical and Automotive Engineering, Yantai University, Yantai 264005, China
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90
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Chen J, Wang H, Zhou L, Liu Z, Tan X. A combination of circulating tumor cells and CA199 improves the diagnosis of pancreatic cancer. J Clin Lab Anal 2022; 36:e24341. [PMID: 35334495 PMCID: PMC9102772 DOI: 10.1002/jcla.24341] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 01/29/2022] [Accepted: 02/27/2022] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Early diagnosis of pancreatic ductal adenocarcinoma (PDAC) is difficult due to the lack of effective screening tests. CA199, the standard biomarker for PDAC management, is not sufficiently reliable for early diagnosis. This prospective study aimed to evaluate whether circulating tumor cells (CTCs) could complement or perform better than CA199 in determining PDAC. METHODS A total of 168 blood samples were collected from 80 patients with PDAC, 32 patients with acute pancreatitis, 22 patients with benign pancreatic masses, and 34 healthy donors. CTCs were detected by a novel system combining negative enrichment with immunostaining and fluorescence in situ hybridization (NE-imFISH). Next, ROC curves and AUC analyses were conducted to assess diagnostic abilities of CA199, CTCs, and the combination of the two biomarkers in PDAC. RESULTS CTCs were stained as CD45-/DAPI+/CEP8 ≥3. With 2 CTCs/3.2 ml as the cut-off value, the sensitivity/specificity of the CTC number was 0.76/0.94, which was comparable to that of CA199 (0.78/0.83; Delong test p = 0.3360). Improved performance was achieved through a logistic regression model integrating CA199 and CTC number (AUCCTC+CA199 = 0.95, AUCCA199 = 0.80, AUCCTC number = 0.85; Delong test p vs . CA199 < 0.0001 and p vs . CTC number = 0.0002). CTC subtype was inferior to CTC number as a diagnostic marker (AUCCTC subtype = 0.73; Delong test p vs . CTC number < 0.0001). CONCLUSION The dual-marker panel consisting of CA199 and CTC number can significantly improve upon the diagnostic performance of CA199 alone, highlighting the promising clinical utilization as an effective strategy for PDAC surveillance.
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Affiliation(s)
- Junliang Chen
- Department of General SurgeryShengjing Hospital of China Medical UniversityShenyangChina
| | - Huaitao Wang
- Department of General SurgeryShengjing Hospital of China Medical UniversityShenyangChina
| | - Lei Zhou
- Department of General SurgeryShengjing Hospital of China Medical UniversityShenyangChina
| | - Zhihao Liu
- Department of General SurgeryShengjing Hospital of China Medical UniversityShenyangChina
| | - Xiaodong Tan
- Department of General SurgeryShengjing Hospital of China Medical UniversityShenyangChina
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91
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Tian B, Li Q. Single-Cell Sequencing and Its Applications in Liver Cancer. Front Oncol 2022; 12:857037. [PMID: 35574365 PMCID: PMC9097917 DOI: 10.3389/fonc.2022.857037] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 03/24/2022] [Indexed: 02/06/2023] Open
Abstract
As one of the most lethal cancers, primary liver cancer (PLC) has high tumor heterogeneity, including the heterogeneity between cancer cells. Traditional methods which have been used to identify tumor heterogeneity for a long time are based on large mixed cell samples, and the research results usually show average level of the cell population, ignoring the heterogeneity between cancer cells. In recent years, single-cell sequencing has been increasingly applied to the studies of PLCs. It can detect the heterogeneity between cancer cells, distinguish each cell subgroup in the tumor microenvironment (TME), and also reveal the clonal characteristics of cancer cells, contributing to understand the evolution of tumor. Here, we introduce the process of single-cell sequencing, review the applications of single-cell sequencing in the heterogeneity of cancer cells, TMEs, oncogenesis, and metastatic mechanisms of liver cancer, and discuss some of the current challenges in the field.
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92
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Arora S, D'Souza A, Aland G, Kale N, Jadhav B, Kad T, Chaturvedi P, Singh B, Khandare J. Antibody mediated cotton-archetypal substrate for enumeration of circulating tumor cells and chemotherapy outcome in 3D tumors. LAB ON A CHIP 2022; 22:1519-1530. [PMID: 35266489 DOI: 10.1039/d2lc00004k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Circulating tumor cells (CTCs) are distinct cancer biomarkers established in clinical settings for early cancer detection, metastasis progression, and minimal residual disease (MRD) monitoring. Despite numerous advances, the comprehensive molecular characterization of CTCs is extremely challenging owing to their rarity and heterogeneity. Here, we present a novel cotton microfluidic substrate (CMS) as an innovative biomedical matrix that efficiently isolates CTCs while facilitating in vitro CTC expansion to enable a further downstream analysis of these rare cells. CMS enabled static and dynamic isolation of cells from the MCF-7 cancer cell line, as well as from head and neck squamous cell carcinoma (HNSCC) patients' blood and the cell capture efficiencies were further compared with a clinically regulated OncoDiscover® Liquid Biopsy Test. Further, CMS acted as a matrix on which the captured cancer cells were grown in 3D tumor models for studying anti-cancer drug efficacy and multi-drug resistance (MDR) mechanisms. The design of the CMS employed two different surface chemistries, flattened and nanostructured surfaces, each conjugated to anti-EpCAM antibodies to evaluate the CTC capture efficiency and 3D tumor growth dynamics. The nanostructured surface was highly efficient for capturing CTCs and promoted 3D tumor spheroid formation with a 5-fold increase in size from day 03 to day 10 of culture. Moreover, when treated with an anti-cancer drug, cisplatin, an almost 1/2 reduction in tumor size was achieved within 24 hours, followed by a cytostatic threshold and eventual acquisition of drug resistance within 3 days. Conclusively, the CMS matrix exhibits potential for further development of "tissue on chip" and "point-of-care" medical devices in cancer diagnostics, and chemo-therapeutic efficacy evaluations in both drug discovery and development.
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Affiliation(s)
- Smriti Arora
- Actorius Innovations and Research, Pune, 411057, India.
| | - Alain D'Souza
- Actorius Innovations and Research, Pune, 411057, India.
- OneCell Diagnostics, Pune, 411057, India
| | - Gourishankar Aland
- Actorius Innovations and Research, Pune, 411057, India.
- OneCell Diagnostics, Pune, 411057, India
| | - Narendra Kale
- Actorius Innovations and Research, Pune, 411057, India.
| | - Bhagwat Jadhav
- Actorius Innovations and Research, Pune, 411057, India.
- OneCell Diagnostics, Pune, 411057, India
| | - Trupti Kad
- Actorius Innovations and Research, Pune, 411057, India.
- OneCell Diagnostics, Pune, 411057, India
| | - Pankaj Chaturvedi
- Department of Head and Neck Surgical Oncology, Tata Memorial Hospital, Mumbai, 400012, India
| | - Balram Singh
- Actorius Innovations and Research, Pune, 411057, India.
| | - Jayant Khandare
- Actorius Innovations and Research, Pune, 411057, India.
- OneCell Diagnostics, Pune, 411057, India
- Actorius Innovations and Research Co, Simi Valley, USA
- OneCell Dx Inc, Cupertino, CA 95014, USA
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93
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Li Y, Wang Z, Fu R, Wang S, Zhang T, Tian X, Yang D. Clinical Utility of Circulating Tumor Cells in Patients With Esophageal Cancer. Front Oncol 2022; 12:828368. [PMID: 35387131 PMCID: PMC8977550 DOI: 10.3389/fonc.2022.828368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 02/28/2022] [Indexed: 11/13/2022] Open
Abstract
Background As one of the most aggressive gastrointestinal tract cancers, esophageal carcinoma (EC) had the tenth morbidity and sixth mortality rate globally in 2020. This study was conducted to investigate whether circulating tumor cells (CTCs) could be used as diagnostic and prognostic tools for patients with EC. Methods Peripheral blood samples were collected from 129 patients newly diagnosed with EC, 17 individuals with benign diseases, and 75 healthy donors for CTC analysis using the negative enrichment-fluorescence in situ hybridization (NE-FISH) approach. The relationship between CTCs (counts and karyotypes) and clinicopathological features was then investigated. Moreover, overall survival (OS) and progression-free survival (PFS) were analyzed to evaluate the predictive value of CTCs. Results The detection of CTCs using the NE-FISH approach helped in differentiating patients with EC from benign or healthy controls at a threshold of 2 per 3.2 ml peripheral blood with a sensitivity and specificity of 70.54% and 96.74%, respectively (area under the curve = 0.826, 95% CI 0.770–0.874, p < 0.001). The CTC count was associated with tumor depth (p = 0.012), but there was no correlation with other clinicopathological characteristics. Furthermore, the proportion of CTCs with chromosome 7 triploidy was linked to distant metastasis (p = 0.033) and TNM stage (p = 0.002). The OS was significantly shorter for patients with CTCs ≥ 3 than for those with CTCs < 3. Univariate analysis revealed that sex, vascular invasion, distant metastasis, tumor depth, lymph node metastasis, and TNM stage were the significant prognostic factors for patients with EC. Multivariate analysis demonstrated that distant metastasis (hazard ratio (HR) 3.262, 95% CI 1.671–6.369, p = 0.001 for PFS; HR 3.759, 95% CI 1.867–7.571, p < 0.001 for OS) was a significant prognostic factor for patients with EC. Conclusions Detection of CTCs using NE-FISH could be helpful in the diagnosis of EC. The proportion of CTCs with chromosome 7 triploidy was related to distant metastasis and TNM stage. Patients with CTCs ≥ 3 had short OS, while distant metastasis was an independent factor indicating a poor prognosis for patients with EC.
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Affiliation(s)
- Yang Li
- Zhong Yuan Academy of Biological Medicine, Liaocheng People's Hospital, Liaocheng, China
| | - Zhenxing Wang
- Department of Thoracic Surgery, Liaocheng People's Hospital, Liaocheng, China
| | - Rao Fu
- Zhong Yuan Academy of Biological Medicine, Liaocheng People's Hospital, Liaocheng, China
| | - Shuang Wang
- Zhong Yuan Academy of Biological Medicine, Liaocheng People's Hospital, Liaocheng, China
| | - Tingting Zhang
- Zhong Yuan Academy of Biological Medicine, Liaocheng People's Hospital, Liaocheng, China
| | - Xudong Tian
- Department of Thoracic Surgery, Liaocheng People's Hospital, Liaocheng, China
| | - Dawei Yang
- Zhong Yuan Academy of Biological Medicine, Liaocheng People's Hospital, Liaocheng, China
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94
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Hakim M, Kermanshah L, Abouali H, Hashemi HM, Yari A, Khorasheh F, Alemzadeh I, Vossoughi M. Unraveling Cancer Metastatic Cascade Using Microfluidics-based Technologies. Biophys Rev 2022; 14:517-543. [PMID: 35528034 PMCID: PMC9043145 DOI: 10.1007/s12551-022-00944-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 03/14/2022] [Indexed: 12/24/2022] Open
Abstract
Cancer has long been a leading cause of death. The primary tumor, however, is not the main cause of death in more than 90% of cases. It is the complex process of metastasis that makes cancer deadly. The invasion metastasis cascade is the multi-step biological process of cancer cell dissemination to distant organ sites and adaptation to the new microenvironment site. Unraveling the metastasis process can provide great insight into cancer death prevention or even treatment. Microfluidics is a promising platform, that provides a wide range of applications in metastasis-related investigations. Cell culture microfluidic technologies for in vitro modeling of cancer tissues with fluid flow and the presence of mechanical factors have led to the organ-on-a-chip platforms. Moreover, microfluidic systems have also been exploited for capturing and characterization of circulating tumor cells (CTCs) that provide crucial information on the metastatic behavior of a tumor. We present a comprehensive review of the recent developments in the application of microfluidics-based systems for analysis and understanding of the metastasis cascade from a wider perspective.
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Affiliation(s)
- Maziar Hakim
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Leyla Kermanshah
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Hesam Abouali
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Hanieh Mohammad Hashemi
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Alireza Yari
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Farhad Khorasheh
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Iran Alemzadeh
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Manouchehr Vossoughi
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
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95
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Zambianchi P, Hermógenes G, Zambianchi J. Quantification of gold nanoparticles using total reflection X-ray fluorescence by Monte Carlo simulation (MCNP code) applied to cancer cell research. Radiat Phys Chem Oxf Engl 1993 2022. [DOI: 10.1016/j.radphyschem.2021.109937] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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96
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Zhou H, Zhu L, Song J, Wang G, Li P, Li W, Luo P, Sun X, Wu J, Liu Y, Zhu S, Zhang Y. Liquid biopsy at the frontier of detection, prognosis and progression monitoring in colorectal cancer. Mol Cancer 2022; 21:86. [PMID: 35337361 PMCID: PMC8951719 DOI: 10.1186/s12943-022-01556-2] [Citation(s) in RCA: 79] [Impact Index Per Article: 39.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 03/02/2022] [Indexed: 02/07/2023] Open
Abstract
Colorectal cancer (CRC) is one of the most common cancers worldwide and a leading cause of carcinogenic death. To date, surgical resection is regarded as the gold standard by the operator for clinical decisions. Because conventional tissue biopsy is invasive and only a small sample can sometimes be obtained, it is unable to represent the heterogeneity of tumor or dynamically monitor tumor progression. Therefore, there is an urgent need to find a new minimally invasive or noninvasive diagnostic strategy to detect CRC at an early stage and monitor CRC recurrence. Over the past years, a new diagnostic concept called “liquid biopsy” has gained much attention. Liquid biopsy is noninvasive, allowing repeated analysis and real-time monitoring of tumor recurrence, metastasis or therapeutic responses. With the advanced development of new molecular techniques in CRC, circulating tumor cells (CTCs), circulating tumor DNA (ctDNA), exosomes, and tumor-educated platelet (TEP) detection have achieved interesting and inspiring results as the most prominent liquid biopsy markers. In this review, we focused on some clinical applications of CTCs, ctDNA, exosomes and TEPs and discuss promising future applications to solve unmet clinical needs in CRC patients.
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Affiliation(s)
- Hui Zhou
- Department of General Surgery, Third Xiangya Hospital, Central South University, Changsha, 410013, China.,Department of General Surgery, Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221000, China
| | - Liyong Zhu
- Department of General Surgery, Third Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Jun Song
- Department of General Surgery, Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221000, China
| | - Guohui Wang
- Department of General Surgery, Third Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Pengzhou Li
- Department of General Surgery, Third Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Weizheng Li
- Department of General Surgery, Third Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Ping Luo
- Department of General Surgery, Third Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Xulong Sun
- Department of General Surgery, Third Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Jin Wu
- Department of General Surgery, Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221000, China
| | - Yunze Liu
- Department of General Surgery, Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221000, China
| | - Shaihong Zhu
- Department of General Surgery, Third Xiangya Hospital, Central South University, Changsha, 410013, China.
| | - Yi Zhang
- Department of General Surgery, Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221000, China.
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97
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Ballerini P, Contursi A, Bruno A, Mucci M, Tacconelli S, Patrignani P. Inflammation and Cancer: From the Development of Personalized Indicators to Novel Therapeutic Strategies. Front Pharmacol 2022; 13:838079. [PMID: 35308229 PMCID: PMC8927697 DOI: 10.3389/fphar.2022.838079] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 02/09/2022] [Indexed: 12/15/2022] Open
Abstract
Colorectal (CRC) and hepatocellular carcinoma (HCC) are associated with chronic inflammation, which plays a role in tumor development and malignant progression. An unmet medical need in these settings is the availability of sensitive and specific noninvasive biomarkers. Their use will allow surveillance of high-risk populations, early detection, and monitoring of disease progression. Moreover, the characterization of specific fingerprints of patients with nonalcoholic fatty liver disease (NAFLD) without or with nonalcoholic steatohepatitis (NASH) at the early stages of liver fibrosis is necessary. Some lines of evidence show the contribution of platelets to intestinal and liver inflammation. Thus, low-dose Aspirin, an antiplatelet agent, reduces CRC and liver cancer incidence and mortality. Aspirin also produces antifibrotic effects in NAFLD. Activated platelets can trigger chronic inflammation and tissue fibrosis via the release of soluble mediators, such as thromboxane (TX) A2 and tumor growth factor (TGF)-β, and vesicles containing genetic material (including microRNA). These platelet-derived products contribute to cyclooxygenase (COX)-2 expression and prostaglandin (PG)E2 biosynthesis by tumor microenvironment cells, such as immune and endothelial cells and fibroblasts, alongside cancer cells. Enhanced COX-2-dependent PGE2 plays a crucial role in chronic inflammation and promotes tumor progression, angiogenesis, and metastasis. Antiplatelet agents can indirectly prevent the induction of COX-2 in target cells by inhibiting platelet activation. Differently, selective COX-2 inhibitors (coxibs) block the activity of COX-2 expressed in the tumor microenvironment and cancer cells. However, coxib chemopreventive effects are hampered by the interference with cardiovascular homeostasis via the coincident inhibition of vascular COX-2-dependent prostacyclin biosynthesis, resulting in enhanced risk of atherothrombosis. A strategy to improve anti-inflammatory agents' use in cancer prevention could be to develop tissue-specific drug delivery systems. Platelet ability to interact with tumor cells and transfer their molecular cargo can be employed to design platelet-mediated drug delivery systems to enhance the efficacy and reduce toxicity associated with anti-inflammatory agents in these settings. Another peculiarity of platelets is their capability to uptake proteins and transcripts from the circulation. Thus, cancer patient platelets show specific proteomic and transcriptomic expression profiles that could be used as biomarkers for early cancer detection and disease monitoring.
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Affiliation(s)
- Patrizia Ballerini
- Center for Advanced Studies and Technology (CAST), Chieti, Italy
- Department of Innovative Technologies in Medicine and Dentistry, Chieti, Italy
| | - Annalisa Contursi
- Center for Advanced Studies and Technology (CAST), Chieti, Italy
- Department of Neuroscience, Imaging and Clinical Science, G. d’Annunzio University, Chieti, Italy
| | - Annalisa Bruno
- Center for Advanced Studies and Technology (CAST), Chieti, Italy
- Department of Neuroscience, Imaging and Clinical Science, G. d’Annunzio University, Chieti, Italy
| | - Matteo Mucci
- Center for Advanced Studies and Technology (CAST), Chieti, Italy
- Department of Neuroscience, Imaging and Clinical Science, G. d’Annunzio University, Chieti, Italy
| | - Stefania Tacconelli
- Center for Advanced Studies and Technology (CAST), Chieti, Italy
- Department of Neuroscience, Imaging and Clinical Science, G. d’Annunzio University, Chieti, Italy
| | - Paola Patrignani
- Center for Advanced Studies and Technology (CAST), Chieti, Italy
- Department of Neuroscience, Imaging and Clinical Science, G. d’Annunzio University, Chieti, Italy
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98
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Yang JC, Hu JJ, Li YX, Luo W, Liu JZ, Ye DW. Clinical Applications of Liquid Biopsy in Hepatocellular Carcinoma. Front Oncol 2022; 12:781820. [PMID: 35211399 PMCID: PMC8860830 DOI: 10.3389/fonc.2022.781820] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 01/04/2022] [Indexed: 12/12/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is a common malignant tumor with high mortality and poor prognosis in the world. The low rate of early diagnosis, as well as the high risk of postoperative metastasis and recurrence, led to the poor clinical prognosis of HCC patients. Currently, it mainly depends on serum markers, imaging examination, and tissue biopsy to diagnose and determine the recurrence and metastasis of HCC after treatments. Nevertheless, the accuracy and sensitivity of serum markers and imaging for early HCC diagnosis are suboptimal. Tissue biopsy, containing limited tissue samples, is insufficient to reveal comprehensive tumor biology information and is inappropriate to monitor dynamic tumor progression due to its invasiveness. Thus, low invasive diagnostic methods and novel biomarkers with high sensitivity and reliability must be found to improve HCC detection and prediction. As a non-invasive, dynamic, and repeatable detection method, “liquid biopsy”, has attracted much attention to early diagnosis and monitoring of treatment response, which promotes the progress of precision medicine. This review summarizes the clinical applications of liquid biopsy in HCC, including circulating tumor cells (CTCs), circulating tumor DNA (ctDNA), and exosome in early diagnosis, prognostic evaluation, disease monitoring, and guiding personalized treatment.
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Affiliation(s)
- Jin-Cui Yang
- Cancer Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jun-Jie Hu
- Cancer Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yi-Xin Li
- Cancer Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wei Luo
- Cancer Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jin-Zhou Liu
- Department of Pain Management, The Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Da-Wei Ye
- Cancer Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Department of Pancreatic-Biliary Surgery, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, China
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99
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de Bruyn DP, Beasley AB, Verdijk RM, van Poppelen NM, Paridaens D, de Keizer ROB, Naus NC, Gray ES, de Klein A, Brosens E, Kiliç E. Is Tissue Still the Issue? The Promise of Liquid Biopsy in Uveal Melanoma. Biomedicines 2022; 10:biomedicines10020506. [PMID: 35203714 PMCID: PMC8962331 DOI: 10.3390/biomedicines10020506] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/15/2022] [Accepted: 02/16/2022] [Indexed: 12/18/2022] Open
Abstract
Uveal melanoma (UM) is the second most frequent type of melanoma. Therapeutic options for UM favor minimally invasive techniques such as irradiation for vision preservation. As a consequence, no tumor material is obtained. Without available tissue, molecular analyses for gene expression, mutation or copy number analysis cannot be performed. Thus, proper patient stratification is impossible and patients’ uncertainty about their prognosis rises. Minimally invasive techniques have been studied for prognostication in UM. Blood-based biomarker analysis has become more common in recent years; however, no clinically standardized protocol exists. This review summarizes insights in biomarker analysis, addressing new insights in circulating tumor cells, circulating tumor DNA, extracellular vesicles, proteomics, and metabolomics. Additionally, medical imaging can play a significant role in staging, surveillance, and prognostication of UM and is addressed in this review. We propose that combining multiple minimally invasive modalities using tumor biomarkers should be the way forward and warrant more attention in the coming years.
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Affiliation(s)
- Daniël P. de Bruyn
- Department of Ophthalmology, Erasmus MC Rotterdam, 3000 CA Rotterdam, The Netherlands; (D.P.d.B.); (N.M.v.P.); (D.P.); (N.C.N.)
- Department of Clinical Genetics, Erasmus MC Rotterdam, 3000 CA Rotterdam, The Netherlands; (A.d.K.); (E.B.)
- Erasmus MC Cancer Institute, 3000 CA Rotterdam, The Netherlands
| | - Aaron B. Beasley
- Centre for Precision Health, School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA 6027, Australia; (A.B.B.); (E.S.G.)
| | - Robert M. Verdijk
- The Rotterdam Eye Hospital, 3011 BH Rotterdam, The Netherlands; (R.M.V.); (R.O.B.d.K.)
- Department of Pathology, Section Ophthalmic Pathology, Erasmus MC Rotterdam, 3000 CA Rotterdam, The Netherlands
- Department of Pathology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
| | - Natasha M. van Poppelen
- Department of Ophthalmology, Erasmus MC Rotterdam, 3000 CA Rotterdam, The Netherlands; (D.P.d.B.); (N.M.v.P.); (D.P.); (N.C.N.)
- Department of Clinical Genetics, Erasmus MC Rotterdam, 3000 CA Rotterdam, The Netherlands; (A.d.K.); (E.B.)
- Erasmus MC Cancer Institute, 3000 CA Rotterdam, The Netherlands
| | - Dion Paridaens
- Department of Ophthalmology, Erasmus MC Rotterdam, 3000 CA Rotterdam, The Netherlands; (D.P.d.B.); (N.M.v.P.); (D.P.); (N.C.N.)
- The Rotterdam Eye Hospital, 3011 BH Rotterdam, The Netherlands; (R.M.V.); (R.O.B.d.K.)
| | | | - Nicole C. Naus
- Department of Ophthalmology, Erasmus MC Rotterdam, 3000 CA Rotterdam, The Netherlands; (D.P.d.B.); (N.M.v.P.); (D.P.); (N.C.N.)
- Erasmus MC Cancer Institute, 3000 CA Rotterdam, The Netherlands
| | - Elin S. Gray
- Centre for Precision Health, School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA 6027, Australia; (A.B.B.); (E.S.G.)
| | - Annelies de Klein
- Department of Clinical Genetics, Erasmus MC Rotterdam, 3000 CA Rotterdam, The Netherlands; (A.d.K.); (E.B.)
- Erasmus MC Cancer Institute, 3000 CA Rotterdam, The Netherlands
| | - Erwin Brosens
- Department of Clinical Genetics, Erasmus MC Rotterdam, 3000 CA Rotterdam, The Netherlands; (A.d.K.); (E.B.)
- Erasmus MC Cancer Institute, 3000 CA Rotterdam, The Netherlands
| | - Emine Kiliç
- Department of Ophthalmology, Erasmus MC Rotterdam, 3000 CA Rotterdam, The Netherlands; (D.P.d.B.); (N.M.v.P.); (D.P.); (N.C.N.)
- Erasmus MC Cancer Institute, 3000 CA Rotterdam, The Netherlands
- Correspondence: ; Tel.: +31-107030683
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100
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Seely KD, Morgan AD, Hagenstein LD, Florey GM, Small JM. Bacterial Involvement in Progression and Metastasis of Colorectal Neoplasia. Cancers (Basel) 2022; 14:1019. [PMID: 35205767 PMCID: PMC8870662 DOI: 10.3390/cancers14041019] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 02/14/2022] [Accepted: 02/15/2022] [Indexed: 02/06/2023] Open
Abstract
While the gut microbiome is composed of numerous bacteria, specific bacteria within the gut may play a significant role in carcinogenesis, progression, and metastasis of colorectal carcinoma (CRC). Certain microbial species are known to be associated with specific cancers; however, the interrelationship between bacteria and metastasis is still enigmatic. Mounting evidence suggests that bacteria participate in cancer organotropism during solid tumor metastasis. A critical review of the literature was conducted to better characterize what is known about bacteria populating a distant site and whether a tumor depends upon the same microenvironment during or after metastasis. The processes of carcinogenesis, tumor growth and metastatic spread in the setting of bacterial infection were examined in detail. The literature was scrutinized to discover the role of the lymphatic and venous systems in tumor metastasis and how microbes affect these processes. Some bacteria have a potent ability to enhance epithelial-mesenchymal transition, a critical step in the metastatic cascade. Bacteria also can modify the microenvironment and the local immune profile at a metastatic site. Early targeted antibiotic therapy should be further investigated as a measure to prevent metastatic spread in the setting of bacterial infection.
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Affiliation(s)
- Kevin D. Seely
- College of Osteopathic Medicine, Rocky Vista University, Ivins, UT 84738, USA; (A.D.M.); (L.D.H.)
| | - Amanda D. Morgan
- College of Osteopathic Medicine, Rocky Vista University, Ivins, UT 84738, USA; (A.D.M.); (L.D.H.)
| | - Lauren D. Hagenstein
- College of Osteopathic Medicine, Rocky Vista University, Ivins, UT 84738, USA; (A.D.M.); (L.D.H.)
| | - Garrett M. Florey
- College of Osteopathic Medicine, Rocky Vista University, Parker, CO 80134, USA;
| | - James M. Small
- Department of Biomedical Sciences, Rocky Vista University, Parker, CO 80134, USA;
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