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Tzeng HE, Lee YW, Lin CT, Chuang SS, Li CC, Chuang WH, Hsu CA, Wang YH, Tien HF, Wu SJ. Multicolour and lineage-specific interphase chromosome Flow-FISH: method development and clinical validation. Pathology 2024:S0031-3025(24)00129-6. [PMID: 38852040 DOI: 10.1016/j.pathol.2024.04.001] [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: 10/17/2023] [Revised: 03/01/2024] [Accepted: 04/14/2024] [Indexed: 06/10/2024]
Abstract
Flow cytometry can be applied in the detection of fluorescence in situ hybridisation (FISH) signals to efficiently analyse chromosomal aberrations. However, such interphase chromosome (IC) Flow-FISH protocols are currently limited to detecting a single colour. Furthermore, combining IC Flow-FISH with conventional multicolour flow cytometry is difficult because the DNA-denaturation step in FISH assay also disrupts cellular integrity and protein structures, precluding subsequent antigen-antibody binding and hindering concurrent labeling of surface antigens and FISH signals. We developed a working protocol for concurrent multicolour flow cytometry detection of nuclear IC FISH signals and cell surface markers. The protocol was validated by assaying sex chromosome content of blood cells, which was indicative of chimerism status in patients who had received sex-mismatched allogeneic haematopoietic stem cell transplants (allo-HSCT). The method was also adapted to detect trisomy 12 in chronic lymphocytic leukaemia (CLL) subjects. We first demonstrated the feasibility of this protocol in detecting multiple colours and concurrent nuclear and surface signals with high agreement. In clinical validation experiments, chimerism status was identified in clinical samples (n=56) using the optimised IC Flow-FISH method; the results tightly corresponded to those of conventional slide-based FISH (R2=0.9649 for XX cells and 0.9786 for XY cells). In samples from patients who received sex-mismatched allo-HSCT, individual chimeric statuses in different lineages could be clearly distinguished with high flexibility in gating strategies. Furthermore, in CLL samples with trisomy 12, this method could demonstrate that enriched trisomy 12 FISH signal was present in B cells rather than in T cells. Finally, by performing combined labelling of chromosome 12, X chromosome, and surface markers, we could detect rare residual recipient CLL cells with trisomy 12 after allo-HSCT. This adaptable protocol for multicolour and lineage-specific IC Flow-FISH advances the technique to allow for its potential application in various clinical contexts where conventional FISH assays are currently being utilised.
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Affiliation(s)
- Huey-En Tzeng
- Division of Hematology/Medical Oncology, Department of Medicine, Taichung Veterans General Hospital, Taichung City, Taiwan; Ph.D. Program for Cancer Molecular Biology and Drug Discovery, and Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan; Department of Post-Baccalaureate Medicine, College of Medicine, National Chung-Hsing University, Taichung, Taiwan
| | - Yi-Wei Lee
- Department of Internal Medicine, Taipei Medical University Hospital, Taipei, Taiwan; Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Chien-Ting Lin
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan; Department of Hematological Oncology, National Taiwan University Cancer Center, Taipei, Taiwan
| | - Shih-Sung Chuang
- Department of Pathology, Chi-Mei Medical Center, Tainan, Taiwan; Center of Stem Cell and Precision Medicine, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
| | - Chi-Cheng Li
- Center of Stem Cell and Precision Medicine, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
| | - Wen-Hui Chuang
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Cheng-An Hsu
- Department of Laboratory Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Yi-Hua Wang
- Department of Laboratory Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Hwei-Fang Tien
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan; Department of Internal Medicine, Far-East Memorial Hospital, New Taipei City, Taiwan
| | - Shang-Ju Wu
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan; Department of Hematological Oncology, National Taiwan University Cancer Center, Taipei, Taiwan.
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Hui HY, Clarke KM, Fuller KA, Stanley J, Chuah HH, Ng TF, Cheah C, McQuillan A, Erber WN. “Immuno‐flowFISH” for the Assessment of Cytogenetic Abnormalities in Chronic Lymphocytic Leukemia. Cytometry A 2019; 95:521-533. [DOI: 10.1002/cyto.a.23769] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 03/27/2019] [Accepted: 04/01/2019] [Indexed: 12/24/2022]
Affiliation(s)
- Henry Y.L. Hui
- Translational Cancer Pathology LaboratorySchool of Biomedical Sciences, The University of Western Australia Crawley Western Australia Australia
| | - Kathryn M. Clarke
- Haemato‐Oncology Diagnostic Service, Department of HaematologyAddenbrooke's Hospital, Cambridge University Hospital, NHS Foundation Trust Cambridge UK
| | - Kathryn A. Fuller
- Translational Cancer Pathology LaboratorySchool of Biomedical Sciences, The University of Western Australia Crawley Western Australia Australia
- PathWest Laboratory Medicine Nedlands Western Australia Australia
| | - Jason Stanley
- Translational Cancer Pathology LaboratorySchool of Biomedical Sciences, The University of Western Australia Crawley Western Australia Australia
| | - Hun H. Chuah
- Department of HaematologyRoyal Perth Hospital Perth Western Australia Australia
| | - Teng Fong Ng
- Department of HaematologyRoyal Perth Hospital Perth Western Australia Australia
| | - Chan Cheah
- Department of HaematologySir Charles Gairdner Hospital Nedlands Western Australia Australia
- Department of HaematologyHollywood Private Hospital Nedlands Western Australia Australia
| | - Andrew McQuillan
- Department of HaematologyHollywood Private Hospital Nedlands Western Australia Australia
| | - Wendy N. Erber
- Translational Cancer Pathology LaboratorySchool of Biomedical Sciences, The University of Western Australia Crawley Western Australia Australia
- PathWest Laboratory Medicine Nedlands Western Australia Australia
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da Silva AM, de Siqueira E Oliveira FSA, de Brito PL, Silveira L. Spectral model for diagnosis of acute leukemias in whole blood and plasma through Raman spectroscopy. JOURNAL OF BIOMEDICAL OPTICS 2018; 23:1-11. [PMID: 30350494 DOI: 10.1117/1.jbo.23.10.107002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Accepted: 09/21/2018] [Indexed: 06/08/2023]
Abstract
Acute leukemias are oncohematological diseases that compromise the bone marrow and have a complex diagnostic definition, leading to a high mortality when diagnosed late. This study proposed to determine the spectral differences between whole blood and plasma samples of healthy and leukemic subjects based on Raman spectroscopy (RS), correlating these differences with their resulting biochemical alterations and performing discriminant analysis of the samples (n = 38 whole blood and n = 40 plasma samples). Raman spectra were obtained using a dispersive Raman spectrometer (830-nm wavelength, 280-mW laser power, 30-s exposure time) with a Raman probe. The exploratory analysis based on principal component analysis (PCA) of the blood and plasma sample's spectra showed loading vectors with peaks related to amino acids, proteins, carbohydrates, lipids, and carotenoids, being the spectral differences related to amino acids and proteins for whole blood samples, and mainly carotenoids for plasma samples. Discriminant models based on partial least squares (PLS) and PCA were developed and classified the spectra as healthy or leukemic, with sensitivity of 91.9% (PLS) and 83.9% (PCA), specificity of 100% (both PLS and PCA), and overall accuracy of 96.5% (PLS) and 93.0% (PCA) for the whole blood spectra. In plasma, the sensitivity was 95.7% (PLS) and 11.6% (PCA), specificity of 98% (PLS) and 100% (PCA), and overall accuracy of 97.1% (PLS) and 64.1% (PCA). The study demonstrated that RS is a technique with potential to be applied in the diagnosis of acute leukemias in whole blood samples.
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Affiliation(s)
- Adriano Moraes da Silva
- Universidade Paulista-UNIP, Institute of Health Sciences, São José dos Campos, São Paulo, Brazil
| | | | - Pedro Luiz de Brito
- Grupo de Assistência à Criança com Câncer-GACC, São José dos Campos, São Paulo, Brazil
| | - Landulfo Silveira
- Universidade Anhembi Morumbi-UAM, Center for Innovation, Techonology and Education-CITE, Parque Tecn, Brazil
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Merelli I, Tordini F, Drocco M, Aldinucci M, Liò P, Milanesi L. Integrating multi-omic features exploiting Chromosome Conformation Capture data. Front Genet 2015; 6:40. [PMID: 25717338 PMCID: PMC4324155 DOI: 10.3389/fgene.2015.00040] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Accepted: 01/27/2015] [Indexed: 02/02/2023] Open
Abstract
The representation, integration, and interpretation of omic data is a complex task, in particular considering the huge amount of information that is daily produced in molecular biology laboratories all around the world. The reason is that sequencing data regarding expression profiles, methylation patterns, and chromatin domains is difficult to harmonize in a systems biology view, since genome browsers only allow coordinate-based representations, discarding functional clusters created by the spatial conformation of the DNA in the nucleus. In this context, recent progresses in high throughput molecular biology techniques and bioinformatics have provided insights into chromatin interactions on a larger scale and offer a formidable support for the interpretation of multi-omic data. In particular, a novel sequencing technique called Chromosome Conformation Capture allows the analysis of the chromosome organization in the cell’s natural state. While performed genome wide, this technique is usually called Hi–C. Inspired by service applications such as Google Maps, we developed NuChart, an R package that integrates Hi–C data to describe the chromosomal neighborhood starting from the information about gene positions, with the possibility of mapping on the achieved graphs genomic features such as methylation patterns and histone modifications, along with expression profiles. In this paper we show the importance of the NuChart application for the integration of multi-omic data in a systems biology fashion, with particular interest in cytogenetic applications of these techniques. Moreover, we demonstrate how the integration of multi-omic data can provide useful information in understanding why genes are in certain specific positions inside the nucleus and how epigenetic patterns correlate with their expression.
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Affiliation(s)
- Ivan Merelli
- Bioinformatics Unit, Institute of Biomedical Technologies, Italian National Research Council Milan, Italy
| | - Fabio Tordini
- Computer Science Department, University of Torino Torino, Italy
| | - Maurizio Drocco
- Computer Science Department, University of Torino Torino, Italy
| | - Marco Aldinucci
- Computer Science Department, University of Torino Torino, Italy
| | - Pietro Liò
- Computer Laboratory, University of Cambridge Cambridge, UK
| | - Luciano Milanesi
- Bioinformatics Unit, Institute of Biomedical Technologies, Italian National Research Council Milan, Italy
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Dong H, Yang HS, Jagannath S, Stephenson CF, Brenholz P, Mazumder A, Chari A. Risk Stratification of Plasma Cell Neoplasm: Insights From Plasma Cell–Specific Cytoplasmic Immunoglobulin Fluorescence in Situ Hybridization (cIg FISH) vs. Conventional FISH. CLINICAL LYMPHOMA MYELOMA & LEUKEMIA 2012; 12:366-74. [DOI: 10.1016/j.clml.2012.05.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2012] [Revised: 04/21/2012] [Accepted: 05/03/2012] [Indexed: 10/28/2022]
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Yeung CCS, Powers MLE, Nguyen TD, Kreisel F, Frater JL, Zehnbauer BA, Burack R, Hassan A. Relevance of IgVH gene somatic hypermutation and interphase cytogenetics in lymphomatous presentation of chronic lymphocytic leukemia/small lymphocytic lymphoma. Int J Surg Pathol 2011; 19:563-9. [PMID: 21536543 DOI: 10.1177/1066896911406918] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Chronic lymphocytic leukemia (CLL) and small lymphocytic lymphoma (SLL) are regarded as the same entity, with SLL restricted to tissue cases featuring no leukemic phase. In this study, the authors evaluate a group of SLL cases for cytogenetic abnormalities and IgVH gene mutational status to illicit differences between CLL and SLL. DESIGN IgVH gene polymerase chain reaction amplification and subsequent sequencing were preformed on formalin-fixed, paraffin-embedded archival tissue of 44 patients (SLL n = 34 or CLL n = 10). Cytogenetic data, CD38, and ZAP-70 expression were also evaluated for these cases. RESULTS The data indicate that 9/34 (26%) SLL cases have somatic hypermutation >2%, which is less than the CLL group where 40% were mutated (4/10). Cytogenetic abnormalities were seen in 58% of the SLL cases with many showing abnormalities associated with favorable to intermediate prognosis. CONCLUSION The authors' attempt to compare CLL with SLL with regards to cytogenetic and IgVH mutational status shows no statistically significant difference.
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Affiliation(s)
- Cecilia C S Yeung
- Department of Pathology and Immunology, Washington University, Saint Louis, MO, USA.
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Riley RS, Williams D, Ross M, Zhao S, Chesney A, Clark BD, Ben-Ezra JM. Bone marrow aspirate and biopsy: a pathologist's perspective. II. interpretation of the bone marrow aspirate and biopsy. J Clin Lab Anal 2010; 23:259-307. [PMID: 19774631 DOI: 10.1002/jcla.20305] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Bone marrow examination has become increasingly important for the diagnosis and treatment of hematologic and other illnesses. Morphologic evaluation of the bone marrow aspirate and biopsy has recently been supplemented by increasingly sophisticated ancillary assays, including immunocytochemistry, cytogenetic analysis, flow cytometry, and molecular assays. With our rapidly expanding knowledge of the clinical and biologic diversity of leukemia and other hematologic neoplasms, and an increasing variety of therapeutic options, the bone marrow examination has became more critical for therapeutic monitoring and planning optimal therapy. Sensitive molecular techniques, in vitro drug sensitivity testing, and a number of other special assays are available to provide valuable data to assist these endeavors. Fortunately, improvements in bone marrow aspirate and needle technology has made the procurement of adequate specimens more reliable and efficient, while the use of conscious sedation has improved patient comfort. The procurement of bone marrow specimens was reviewed in the first part of this series. This paper specifically addresses the diagnostic interpretation of bone marrow specimens and the use of ancillary techniques.
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Affiliation(s)
- Roger S Riley
- Medical College of Virginia Hospitals of Virginia Commonwealth University, Richmond, Virginia, USA.
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AbdelSalam M, El Sissy A, Samra MA, Ibrahim S, El Markaby D, Gadallah F. The impact of trisomy 12, retinoblastoma gene and P53 in prognosis of B-cell chronic lymphocytic leukemia. ACTA ACUST UNITED AC 2008; 13:147-53. [PMID: 18702872 DOI: 10.1179/102453308x316121] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
PURPOSE Routine cytogenetic analysis frequently fails to identify an abnormal clone in B-cell lymphocytic leukaemia (B-CLL) due to poor response to mitogen stimulation. Fluorescence in situ hybridization (FISH) suggest that chromosomal abnormalities occur more frequently, most commonly trisomy 12, retinoblastoma gene deletion (Rb1 gene) and P53 gene deletion. PATIENTS AND METHODS 30 patients with B-CLL were enrolled in the trial from two centers in Cairo, Egypt during the period May 2000 to January 2002. Karyotyping and FISH assessment for possible chromosomal abnormalities (trisomy 12, Rb1 gene and P53 gene) were done at initial diagnosis. Results of cytogenetic abnormalities were correlated with clinical picture and survival. RESULTS The median age was 57.4 years (range 40-75). Karyotyping technique showed that no metaphase could be detected in 30%, metaphase with normal karyotyping was observed in 63% and cytogenetic abnormalities were detected in two cases (one trisomy 12 and one deletion in chromosome 13). FISH examination of interphase and metaphase nuclei revealed cytogenetic abnormalities in 15 cases (50%), trisomy 12 in 9 (30%), Rb1 gene deletion in 5 (17%) and P53 gene deletion in 3. At diagnosis, patients with trisomy 12 were significantly associated with advanced stage and absolute lymphocyte count of >or=30,000/mm(3). Univariate analysis showed that absolute lymphocyte count >or=30,000/mm(3) (p=0.004) and trisomy 12 (p=0.024) were associated with poor progression free survival. CONCLUSION Interphase and metaphase FISH studies improve the cytogenetic diagnosis of chromosomal abnormalities in B-CLL. Lymphocytosis and trisomy 12 may be a good indicator of poor prognosis.
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Affiliation(s)
- M AbdelSalam
- Clinical Oncology Center, Cairo University Hospital, Cairo University, Cairo, Egypt
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