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The microenvironment in T-cell lymphomas: emerging themes.

Philippe Gaulard¹, Laurence de Leval²

¹Department of Pathology, AP-HP, Groupe hospitalier Henri Mondor - Albert Chenevier, Créteil, France; Université Paris-Est, Faculté de Médecine, Créteil, France; INSERM, U955, Institut Mondor de Recherche Biomédicale, Créteil, France.

Seminars in Cancer Biology

|December 10, 2013

Summary

Peripheral T-cell lymphomas (PTCLs) are aggressive cancers with poor outcomes. Understanding the tumor microenvironment

Keywords:

Angiogenesis Angioimmunoblastic T-cell lymphoma Folliclar helper T cell Macrophages Microenvironment T-cell lymphoma

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Area of Science:

Hematology
Oncology
Immunology

Background:

Peripheral T-cell lymphomas (PTCLs) are aggressive and uncommon hematologic malignancies with poor prognoses.
Despite advances in molecular studies, the pathobiology of many PTCL entities remains unclear.
PTCLs include a variable microenvironment of non-tumor cells and stroma that influences disease features.

Purpose of the Study:

To investigate the role of the microenvironment in PTCLs, particularly angioimmunoblastic T-cell lymphoma (AITL).
To explore the interactions between lymphoma cells and their microenvironment.
To identify potential therapeutic targets based on these interactions.

Main Methods:

Review of current literature on PTCL pathobiology and microenvironment.
Analysis of molecular and cellular interactions in AITL.
Focus on neoplastic T cells with follicular helper T-cell properties.

Main Results:

The tumor microenvironment significantly impacts PTCL pathological and clinical features.
Angioimmunoblastic T-cell lymphoma (AITL) exemplifies the complex interplay between lymphoma cells and microenvironment.
Neoplastic T cells in AITL likely mediate interactions with the microenvironment.

Conclusions:

Understanding the crosstalk between neoplastic T/NK cells and the microenvironment is crucial for PTCLs.
This knowledge may guide the development of novel therapeutic strategies for PTCLs.
Further research into microenvironment interactions could improve patient outcomes.