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Updated: Mar 20, 2026

Tracking Mouse Bone Marrow Monocytes In Vivo
Published on: February 27, 2015
A T Cell View of the Bone Marrow
Adriana Bonomo1, Ana Carolina Monteiro2, Triciana Gonçalves-Silva3
1Cancer Program (Fio-Cancer), Oswaldo Cruz Foundation, Rio de Janeiro, Brazil; Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil.
Bone marrow T cells act as a memory reservoir, influencing blood cell formation (hematopoiesis) and bone remodeling. This partnership between T cells and the bone marrow microenvironment is crucial for immunity and bone health.
Area of Science:
- Immunology
- Hematology
- Bone Biology
Background:
- Bone marrow harbors activated/memory T cells, forming a
- memory reservoir.
- T cells in the bone marrow microenvironment influence hematopoiesis and bone remodeling.
- The adaptive immune system, including T and B cells, is vital for achieving peak bone mass.
Purpose of the Study:
- To explore T cell activation in the bone marrow.
- To elucidate the effects of T cells on hematopoiesis and bone remodeling.
- To highlight the role of T cells and the bone marrow microenvironment in regulating immunity.
Main Methods:
- Review of existing literature on T cell function in the bone marrow.
- Analysis of the hematopoietic stem cell niche components and organization.
- Discussion of T cell interactions within the bone marrow microenvironment.
Main Results:
- Bone marrow T cells exhibit an activated/memory phenotype.
- T cell activation in the bone marrow impacts hematopoiesis directly and indirectly.
- T lymphocytes play a significant role in basal and pathological conditions affecting bone remodeling.
Conclusions:
- The bone marrow microenvironment acts as a T cell memory reservoir.
- The interplay between T cells and bone marrow cells regulates immunity, hematopoiesis, and bone remodeling.
- An intact adaptive immune system is essential for normal bone mass acquisition.
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