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Sadeghirad H, Yaghoubi Naei V, O'Byrne K, Warkiani ME, Kulasinghe A. In situ characterization of the tumor microenvironment. Curr Opin Biotechnol 2024; 86:103083. [PMID: 38382325 DOI: 10.1016/j.copbio.2024.103083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 12/07/2023] [Accepted: 01/30/2024] [Indexed: 02/23/2024]
Abstract
The development of new therapies for cancer is underpinned by an increasing need to comprehensively characterize the tumor microenvironment (TME). While traditional approaches have relied on bulk or single-cell approaches, these are limited in their ability to provide cellular context. Deconvolution of the complex TME is fundamental to understanding tumor dynamics and treatment resistance. Spatially resolved characterization of the TME is likely to provide greater insights into the cellular architecture, tumor-immune cell interactions, receptor-ligand interactions, and cell niches. In turn, these aid in dictating the optimal way in which to target each patient's individual cancer. In this review, we discuss a number of cutting-edge in situ spatial profiling methods giving us new insights into tumor biology.
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Affiliation(s)
- Habib Sadeghirad
- Frazer Institute, Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia
| | - Vahid Yaghoubi Naei
- Frazer Institute, Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia; School of Biomedical Engineering, University of Technology Sydney, NSW, Australia
| | - Ken O'Byrne
- Princess Alexandra Hospital, Woolloongabba, QLD, Australia
| | - Majid E Warkiani
- School of Biomedical Engineering, University of Technology Sydney, NSW, Australia
| | - Arutha Kulasinghe
- Frazer Institute, Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia.
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Brogård MB, Nielsen PS, Christensen KB, Georgsen JB, Wandler A, Lade-Keller J, Steiniche T. Immunohistochemical double nuclear staining for cell-specific automated quantification of the proliferation index - A promising diagnostic aid for melanocytic lesions. Pathol Res Pract 2024; 255:155177. [PMID: 38330618 DOI: 10.1016/j.prp.2024.155177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/10/2024] [Accepted: 01/26/2024] [Indexed: 02/10/2024]
Abstract
AIMS Pathologists often use immunohistochemical staining of the proliferation marker Ki67 in their diagnostic assessment of melanocytic lesions. However, the interpretation of Ki67 can be challenging. We propose a new workflow to improve the diagnostic utility of the Ki67-index. In this workflow, Ki67 is combined with the melanocytic tumour-cell marker SOX10 in a Ki67/SOX10 double nuclear stain. The Ki67-index is then quantified automatically using digital image analysis (DIA). The aim of this study was to optimise and test three different multiplexing methods for Ki67/SOX10 double nuclear staining. METHODS Multiplex immunofluorescence (mIF), multiplex immunohistochemistry (mIHC), and multiplexed immunohistochemical consecutive staining on single slide (MICSSS) were optimised for Ki67/SOX10 double nuclear staining. DIA applications were designed for automated quantification of the Ki67-index. The methods were tested on a pilot case-control cohort of benign and malignant melanocytic lesions (n = 23). RESULTS Using the Ki67/SOX10 double nuclear stain, malignant melanocytic lesions could be completely distinguished from benign lesions by the Ki67-index. The Ki67-index cut-offs were 1.8% (mIF) and 1.5% (mIHC and MICSSS). The AUC of the automatically quantified Ki67-index based on double nuclear staining was 1.0 (95% CI: 1.0;1.0), whereas the AUC of conventional Ki67 single-stains was 0.87 (95% CI: 0.71;1.00). CONCLUSIONS The novel Ki67/SOX10 double nuclear stain highly improved the diagnostic precision of Ki67 interpretation. Both mIHC and mIF were useful methods for Ki67/SOX10 double nuclear staining, whereas the MICSSS method had challenges in the current setting. The Ki67/SOX10 double nuclear stain shows potential as a valuable diagnostic aid for melanocytic lesions.
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Affiliation(s)
- Mette Bak Brogård
- Department of Pathology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 35, 8200 Aarhus N, Denmark; Department of Clinical Medicine, Aarhus University, Palle Juul-Jensens Boulevard 99, 8200 Aarhus N, Denmark.
| | - Patricia Switten Nielsen
- Department of Pathology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 35, 8200 Aarhus N, Denmark; Department of Clinical Medicine, Aarhus University, Palle Juul-Jensens Boulevard 99, 8200 Aarhus N, Denmark
| | - Kristina Bang Christensen
- Department of Pathology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 35, 8200 Aarhus N, Denmark
| | - Jeanette Bæhr Georgsen
- Department of Pathology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 35, 8200 Aarhus N, Denmark; Department of Clinical Medicine, Aarhus University, Palle Juul-Jensens Boulevard 99, 8200 Aarhus N, Denmark
| | - Anne Wandler
- Department of Pathology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 35, 8200 Aarhus N, Denmark
| | - Johanne Lade-Keller
- Department of Pathology, Aalborg University Hospital, Ladegårdsgade 3, 9000 Aalborg, Denmark
| | - Torben Steiniche
- Department of Pathology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 35, 8200 Aarhus N, Denmark; Department of Clinical Medicine, Aarhus University, Palle Juul-Jensens Boulevard 99, 8200 Aarhus N, Denmark
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3
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Odintsov I, Sholl LM. Prognostic and predictive biomarkers in non-small cell lung carcinoma. Pathology 2024; 56:192-204. [PMID: 38199926 DOI: 10.1016/j.pathol.2023.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/21/2023] [Accepted: 11/22/2023] [Indexed: 01/12/2024]
Abstract
Lung cancer is the most common cause of cancer-related deaths globally, with the highest mortality rates among both men and women. Most lung cancers are diagnosed at late stages, necessitating systemic therapy. Modern clinical management of lung cancer relies heavily upon application of biomarkers, which guide the selection of systemic treatment. Here, we provide an overview of currently approved and emerging biomarkers of non-small cell lung cancer (NSCLC), including EGFR, ALK, ROS1, RET, NTRK1-3, KRAS, BRAF, MET, ERBB2/HER2, NRG1, PD-L1, TROP2, and CEACAM5. For practical purposes, we divide these biomarkers into genomic and protein markers, based on the tested substrate. We review the biology and epidemiology of the genomic and proteomic biomarkers, discuss optimal diagnostic assays for their detection, and highlight their contribution to the contemporary clinical management of NSCLC.
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Affiliation(s)
- Igor Odintsov
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Lynette M Sholl
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
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Hofman P, Berezowska S, Kazdal D, Mograbi B, Ilié M, Stenzinger A, Hofman V. Current challenges and practical aspects of molecular pathology for non-small cell lung cancers. Virchows Arch 2024; 484:233-246. [PMID: 37801103 PMCID: PMC10948551 DOI: 10.1007/s00428-023-03651-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 09/05/2023] [Accepted: 09/12/2023] [Indexed: 10/07/2023]
Abstract
The continuing evolution of treatment options in thoracic oncology requires the pathologist to regularly update diagnostic algorithms for management of tumor samples. It is essential to decide on the best way to use tissue biopsies, cytological samples, as well as liquid biopsies to identify the different mandatory predictive biomarkers of lung cancers in a short turnaround time. However, biological resources and laboratory member workforce are limited and may be not sufficient for the increased complexity of molecular pathological analyses and for complementary translational research development. In this context, the surgical pathologist is the only one who makes the decisions whether or not to send specimens to immunohistochemical and molecular pathology platforms. Moreover, the pathologist can rapidly contact the oncologist to obtain a new tissue biopsy and/or a liquid biopsy if he/she considers that the biological material is not sufficient in quantity or quality for assessment of predictive biomarkers. Inadequate control of algorithms and sampling workflow may lead to false negative, inconclusive, and incomplete findings, resulting in inappropriate choice of therapeutic strategy and potentially poor outcome for patients. International guidelines for lung cancer treatment are based on the results of the expression of different proteins and on genomic alterations. These guidelines have been established taking into consideration the best practices to be set up in clinical and molecular pathology laboratories. This review addresses the current predictive biomarkers and algorithms for use in thoracic oncology molecular pathology as well as the central role of the pathologist, notably in the molecular tumor board and her/his participation in the treatment decision-making. The perspectives in this setting will be discussed.
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Affiliation(s)
- Paul Hofman
- Côte d'Azur University, FHU OncoAge, IHU RespirERA, Laboratory of Clinical and Experimental Pathology, BB-0033-00025, Louis Pasteur Hospital, 30 avenue de la voie romaine, BP69, 06001, Nice cedex 01, France.
- Côte d'Azur University, IRCAN, Inserm, CNRS 7284, U1081, Nice, France.
| | - Sabina Berezowska
- Department of Laboratory Medicine and Pathology, Institute of Pathology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Daniel Kazdal
- Translational Lung Research Center Heidelberg (TLRC), German Center for Lung Research (DZL), Heidelberg, Germany
- Centers for Personalized Medicine (ZPM), Heidelberg, Germany
- Institute of Pathology, Heidelberg University Hospital, Heidelberg, Germany
| | - Baharia Mograbi
- Côte d'Azur University, FHU OncoAge, IHU RespirERA, Laboratory of Clinical and Experimental Pathology, BB-0033-00025, Louis Pasteur Hospital, 30 avenue de la voie romaine, BP69, 06001, Nice cedex 01, France
- Côte d'Azur University, IRCAN, Inserm, CNRS 7284, U1081, Nice, France
| | - Marius Ilié
- Côte d'Azur University, FHU OncoAge, IHU RespirERA, Laboratory of Clinical and Experimental Pathology, BB-0033-00025, Louis Pasteur Hospital, 30 avenue de la voie romaine, BP69, 06001, Nice cedex 01, France
- Côte d'Azur University, IRCAN, Inserm, CNRS 7284, U1081, Nice, France
| | - Albrecht Stenzinger
- Translational Lung Research Center Heidelberg (TLRC), German Center for Lung Research (DZL), Heidelberg, Germany
- Centers for Personalized Medicine (ZPM), Heidelberg, Germany
- Institute of Pathology, Heidelberg University Hospital, Heidelberg, Germany
| | - Véronique Hofman
- Côte d'Azur University, FHU OncoAge, IHU RespirERA, Laboratory of Clinical and Experimental Pathology, BB-0033-00025, Louis Pasteur Hospital, 30 avenue de la voie romaine, BP69, 06001, Nice cedex 01, France
- Côte d'Azur University, IRCAN, Inserm, CNRS 7284, U1081, Nice, France
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Wang H, Liu Y, Zhang L, Li X, Zhao G, Song Z, Jia Y, Qiao X. High Throughput and Noninvasive Exosomal PD-L1 Detection for Accurate Immunotherapy Response Prediction via Tim4-Functionalized Magnetic Core-Shell Metal-Organic Frameworks. Anal Chem 2023; 95:18268-18277. [PMID: 38011622 DOI: 10.1021/acs.analchem.3c04117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Exosomal PD-L1 has been increasingly considered a noninvasive and accurate predictive marker for immunotherapy treatment response. However, the clinical monitoring of exosomal PD-L1 expression is still limited by its complex biological environment as well as the lack of a robust isolation strategy. Here, a Tim4-functionalized magnetic core-shell metal-organic framework (denoted as Fe3O4@SiO2-ILI-01@Tim4) was facilely constructed via layer-by-layer assembly. Owing to the strongly hydrophilic organic ligand of 1,3-bis(4-carboxybutyl)imidazolium bromide (ILI), magnetic Fe3O4@SiO2-ILI-01@Tim4 was endowed with the merits of low nonspecific adsorption and quick, easy, and convenient isolation of exosomes. The capture efficiency of Fe3O4@SiO2-ILI-01@Tim4 reached as high as 90.3 ± 0.5% and the recovery rate for exosomes was up to 93.0 ± 6.1%. The purity of the isolated exosomes was 7.5 times higher than that via the ultracentrifugation (UC) method. By further combination with immunofluorescence assay, high throughput and noninvasive exosomal PD-L1 detection for accurate immunotherapy response prediction was achieved. The prognosis accuracy of the developed Fe3O4@SiO2-ILI-01@Tim4-based strategy reached 85.7%, whereas the prognosis accuracy of the clinical gold standard, the PD-L1 combined positive score (CPS) test, was only 57.1%. Most interestingly, the developed method is especially suitable for those patients receiving false negative results in the CPS test. The proposed Fe3O4@SiO2-ILI-01@Tim4 is a highly efficient and robust technique showing great potential in high throughput and noninvasive exosomal PD-L1 detection for accurately predicting immunotherapy efficacy.
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Affiliation(s)
- Haiyan Wang
- College of Pharmaceutical Sciences, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education, Hebei University, Baoding 071002, China
| | - Yanli Liu
- College of Pharmaceutical Sciences, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education, Hebei University, Baoding 071002, China
| | - Liyuan Zhang
- Institute of Advanced Science Facilities, Shenzhen 518107, China
- College of Basic Medical Science, Key Laboratory for Proteomics of Liaoning Province, Dalian Medical University, Dalian 116044, China
| | - Xinran Li
- College of Pharmaceutical Sciences, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education, Hebei University, Baoding 071002, China
| | - Guofa Zhao
- Hebei Key Laboratory of Cancer Radiotherapy and Chemotherapy, Affiliated Hospital of Hebei University, Baoding 071000, China
| | - Zizheng Song
- Hebei Key Laboratory of Cancer Radiotherapy and Chemotherapy, Affiliated Hospital of Hebei University, Baoding 071000, China
| | - Youchao Jia
- Hebei Key Laboratory of Cancer Radiotherapy and Chemotherapy, Affiliated Hospital of Hebei University, Baoding 071000, China
| | - Xiaoqiang Qiao
- College of Pharmaceutical Sciences, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education, Hebei University, Baoding 071002, China
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