4.6 Article

In Vitro, In Vivo, and In Silico Models of Lymphangiogenesis in Solid Malignancies

Journal

CANCERS
Volume 14, Issue 6, Pages -

Publisher

MDPI
DOI: 10.3390/cancers14061525

Keywords

lymphatic endothelial cells; cancer; metastatic dissemination; in vitro models; in vivo models; lymphangiogenesis; in silico methods; computational models

Categories

Funding

  1. Fondation Contre le Cancer (foundation of public interest, Belgium)
  2. Fonds Speciaux de la Recherche (University of Liege)
  3. Fondation Hospital Universitaire Leon Fredericq (FHULF, University of Liege)
  4. PDR (F.R.S.-FNRS, Belgium) [T.0187.20]
  5. Walloon Region through the FRFS-WELBIO strategic research program
  6. University of Liege [A.R.C. 19/23-21]
  7. European Union [874708]
  8. European Research Council under the European Union [772418]
  9. European Research Council (ERC) [772418] Funding Source: European Research Council (ERC)

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Lymphangiogenesis, the formation of new lymphatic vessels, plays a crucial role in various diseases, particularly cancer. Studying lymphangiogenesis through biological and computational models, as well as imaging techniques, provides valuable insights into the molecular mechanisms and dysregulation of this process. This review discusses the different models used to study lymphangiogenesis, their advantages and limitations, and the importance of integrating in vivo and in silico approaches. Overall, these models contribute to advancing lymphangiogenesis research.
Simple Summary Lymphangiogenesis is the formation of new lymphatic vessels in physiological conditions but has also been found to be associated with pathologies. For example, it has been proven to be involved in cancer progression and metastatic dissemination through the body. Thus, it became a key element to study in the management of this widespread disease. To date, the study of lymphangiogenesis takes place at the biological (in vitro and in vivo) and computational (in silico) levels. The association of these complementary fields combined with imaging techniques constitutes a real toolbox in pathological lymphangiogenesis understanding. Lymphangiogenesis (LA) is the formation of new lymphatic vessels by lymphatic endothelial cells (LECs) sprouting from pre-existing lymphatic vessels. It is increasingly recognized as being involved in many diseases, such as in cancer and secondary lymphedema, which most often results from cancer treatments. For some cancers, excessive LA is associated with cancer progression and metastatic dissemination to the lymph nodes (LNs) through lymphatic vessels. The study of LA through in vitro, in vivo, and, more recently, in silico models is of paramount importance in providing novel insights and identifying the key molecular actors in the biological dysregulation of this process under pathological conditions. In this review, the different biological (in vitro and in vivo) models of LA, especially in a cancer context, are explained and discussed, highlighting their principal modeled features as well as their advantages and drawbacks. Imaging techniques of the lymphatics, complementary or even essential to in vivo models, are also clarified and allow the establishment of the link with computational approaches. In silico models are introduced, theoretically described, and illustrated with examples specific to the lymphatic system and the LA. Together, these models constitute a toolbox allowing the LA research to be brought to the next level.

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