Insight into Developments and Applications of Flow Cytometry

A special issue of Cells (ISSN 2073-4409).

Deadline for manuscript submissions: closed (30 November 2024) | Viewed by 1068

Special Issue Editors


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Guest Editor
Flow Cytometry Resource, Advanced Cytometry Technical Application Laboratory, IRCCS Ospedale San Raffaele, Università Vita-Salute San Raffaele, Milan, Italy
Interests: spectral flow cytometry; fluorochromes; panel design; tumor immunology; extracellular vesicles; cardiovascular diseases

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Guest Editor
Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Struttura Complessa di Patologia Clinica, Laboratorio di Citometria, Milano, Italy
Interests: flow cytometry and cell sorting; immunology; oncohematology

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Guest Editor
Cerba Research, Lake Success, NY, USA
Interests: spectral flow cytometry in clinical settings; the use of AI in flow cytometry; flow cytometry in oncohematology and gene therapy

Special Issue Information

Dear Colleagues,

Flow cytometry has become one of the most widespread technologies used for the characterization of a variety of biological samples, as it provides detailed information on cell/particle features such as size, granularity, and antigen expression.

Over the last few decades, flow cytometry’s versatility has led to its adoption into various fields of investigation, including immunology, hematology, oncology, gene therapy, vaccine development, microbiology, and infectious diseases.

Recent developments in this technique have expanded its capabilities. For instance, the introduction of spectral flow cytometry, which allows for the simultaneous detection of a larger quantity of fluorochromes with minimal spectral overlap, has enhanced resolution and multiplexing capacity for deeper and more complex flow cytometric analyses, even in sample with limited availability. Furthermore, the integration of flow cytometry with other technologies, such as single-cell RNA sequencing (CITE-seq) and microscopy (imaging cytometry), together with cell sorting, has facilitated the comprehensive multi-omics profiling of individual cells, offering deeper insights into cellular heterogeneity and function.

The rampant evolution of flow cytometry has been playing a key role in driving advancements in both basic and translational research as well as in clinical diagnostics, thus leading to a better understanding of cellular biology and disease pathogenesis.

The aim of this Special Issue is to collect recent advances in flow cytometry, including new frontiers of flow cytometry applications as well as any new standardization procedures aimed at enhancing data reliability and reproducibility.

Dr. Achille Anselmo
Dr. Federico Simone Colombo
Dr. Veronica Nash
Guest Editors

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Keywords

  • flow cytometry
  • mass cytometry
  • spectral flow cytometry
  • fluorochromes
  • autofluorescence
  • standardization procedures
  • imaging flow cytometry
  • immunophenotype
  • immunology
  • oncohematology
  • high-dimensional analysis
  • cell sorting

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Published Papers (1 paper)

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Research

19 pages, 8160 KiB  
Article
High-Efficiency Enrichment of Megakaryocytes and Identification of Micromegakaryocytes from Human Bone Marrow by Imaging Flow Cytometry
by Maya Nautrup Pedersen, Trine Engelbrecht Hybel, Jens Haugbølle Bjerre, Anne Sofie Borg Hammer, Anja Bille Bohn, Marie Bill, Carina Agerbo Rosenberg and Maja Ludvigsen
Cells 2025, 14(8), 588; https://doi.org/10.3390/cells14080588 - 12 Apr 2025
Viewed by 603
Abstract
Megakaryocytes (MKs) are rare, large, polyploid bone marrow (BM) cells responsible for the production of platelets. The identification and characterization of MKs is widely recognized as challenging. Manual microscopy is especially difficult due to the rarity and complex morphology of MKs, while flow [...] Read more.
Megakaryocytes (MKs) are rare, large, polyploid bone marrow (BM) cells responsible for the production of platelets. The identification and characterization of MKs is widely recognized as challenging. Manual microscopy is especially difficult due to the rarity and complex morphology of MKs, while flow cytometry faces additional challenges from MKs’ large size, fragility, and platelet adhesion, causing false positives. We present a novel approach to accurately enrich MKs from human BM aspirates with a specific focus on the detection and quantification of microMKs. By integrating CD41+ cell enrichment, immunophenotyping, and morphometric analysis, we identified cells of the megakaryocytic lineage. To increase accuracy, a convolutional neural network was trained to identify CD41 cells falsely displaying an MK-like immunophenotype due to adhesive CD41+ platelets. This allowed for exclusion of 94.9% of false positive events, considerably enhancing specificity. CD41 positive enrichment prior to imaging flow cytometry acquisition increased the MK frequency nearly 200-fold, yielding a population of both mature and immature MKs, thus supporting analysis of MK progenitors. Overall, this advanced approach enables enrichment of MKs from human BM, considerably increasing the accuracy and statistical power of the MK analysis. This may provide an important addition in the context of MK-related diagnostics and research. Full article
(This article belongs to the Special Issue Insight into Developments and Applications of Flow Cytometry)
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