Related Experiment Video
Updated: May 15, 2026
06:54
Studying TGF-β Signaling and TGF-β-induced Epithelial-to-mesenchymal Transition in Breast Cancer and Normal Cells
Published on: October 27, 2020
TGF-beta1 on osteoimmunology and the bone component cells
1Mucosal Immunology Section, NIDCR, NIH, Bethesda, MD, USA. wchen@dir.nidcr.nih.gov.
Cell & Bioscience
|January 17, 2013
Summary
Transforming growth factor-beta 1 (TGF-β1) is crucial for immune regulation and bone health. This review explores how TGF-β1 interacts with various bone cells, impacting skeletal tissue development and maintenance.
Area of Science:
- Immunology
- Osteoimmunology
- Cell Biology
Background:
- Transforming growth factor-beta 1 (TGF-β1) is a key immunoregulatory cytokine.
- The immune and skeletal systems are closely linked, a field known as Osteoimmunology.
- TGF-β1 plays a critical role in skeletal tissue development and maintenance.
Purpose of the Study:
- To review the mechanisms of TGF-β1 interaction with bone cells.
- To highlight the role of TGF-β1 in Osteoimmunology.
- To understand TGF-β1's influence on skeletal homeostasis.
Main Methods:
- Literature review of TGF-β1's role in Osteoimmunology.
- Analysis of TGF-β1 interactions with bone-related cells.
- Synthesis of information on cytokine and hormone interactions.
Main Results:
- TGF-β1 regulates immune cell functions like proliferation and differentiation.
- TGF-β1 is essential for the development and maintenance of skeletal tissue.
- TGF-β1 mediates its effects through interactions with osteoblasts, osteoclasts, chondrocytes, and stem cells.
Conclusions:
- TGF-β1 is a central mediator in Osteoimmunology.
- Understanding TGF-β1's mechanisms is vital for skeletal health.
- TGF-β1's multifaceted roles underscore its importance in bone biology.
Related Concept Videos
01:16TGF - β Signaling Pathway
The TGF-β signaling pathway regulates cell growth, differentiation, adhesion, motility, and development. TGF-β ligands that induce TGF-β signaling are synthesized in their latent form. Several proteases or cell surface receptors such as integrins act upon the latent form, releasing the active ligand. There are three types of mammalian TGF-βs: (TGF-β1, TGF-β2, and TGF-β3) that bind as homodimers or heterodimers to TGF-β receptors. The TGF-β receptors are of three kinds RI, RII, and RIII. The RI...
01:31Osteoclasts in Bone Remodeling
Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during bone...
01:30Bone Cells and Tissue
Bones contain a relatively small number of cells entrenched in a matrix of organic and inorganic components. Although bone cells compose only a small amount of the bone volume, they are crucial to its function. Four types of cells are found within the bone tissue— osteoblasts, osteocytes, osteogenic cells, and osteoclasts.
Osteoblasts and Osteocytes
The osteoblast is the bone cell responsible for forming new bone tissue. It is found in the growing portions of bone, including the periosteum and...
Osteoblasts and Osteocytes
The osteoblast is the bone cell responsible for forming new bone tissue. It is found in the growing portions of bone, including the periosteum and...
01:17Hormones and Bone Tissue
The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
01:40Bone Remodeling
Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
01:24T Cell Types and Functions
When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...