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Related Concept Videos

Hormones and Bone Tissue01:17

Hormones 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...
Bone Marrow Sampling and Transplants01:22

Bone Marrow Sampling and Transplants

Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy the...
Bone Cells and Tissue01:30

Bone 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...
Bone Disorders01:29

Bone Disorders

Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Immunological Memory01:23

Immunological Memory

Immunological memory, a pivotal pillar of the adaptive immune system, is responsible for the body's ability to remember and respond more swiftly and effectively to previously encountered pathogens. This remarkable feature is what makes vaccines so effective in preventing diseases.
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature is...
Primary Lymphoid Organs01:16

Primary Lymphoid Organs

Primary lymphoid organs are pivotal in the formation, development, and maturation of lymphocytes, the white blood cells that serve as the backbone of our immune system. This crucial function underscores their fundamental role in maintaining our overall health and immunity. The two primary lymphoid organs of prime importance are the red bone marrow and the thymus.
The red bone marrow is a soft, spongy tissue nestled in the interior of long bones such as the humerus and femur. It is the site...

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Related Experiment Video

Updated: May 10, 2026

Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation
07:17

Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation

Published on: April 14, 2016

Immunology and bone.

Lynett Danks1, Hiroshi Takayanagi

  • 1Department of Immunology, Graduate School of Medicine and Faculty of Medicine, The University of Tokyo, Japan.

Journal of Biochemistry
|June 11, 2013
PubMed
Summary
This summary is machine-generated.

Osteoimmunology reveals how immune and bone systems interact, influencing development and disease. Understanding these connections is key to treating conditions like rheumatoid arthritis and osteoporosis.

Keywords:
RANKLT cellhaematopoietic stem cellosteoblastosteoclast

Related Experiment Videos

Last Updated: May 10, 2026

Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation
07:17

Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation

Published on: April 14, 2016

Area of Science:

  • Immunology
  • Skeletal Biology
  • Pathology

Background:

  • The immune and skeletal systems are increasingly recognized for their intricate bidirectional interactions in both health and disease.
  • Osteoimmunology, an interdisciplinary field, leverages advanced genetic technologies to explore these connections.
  • Evidence suggests bone cells play a direct role in regulating immune cell development.

Purpose of the Study:

  • To review the critical roles of cytokines, signaling pathways, and transcription factors in immune and bone development.
  • To discuss how dysregulation of shared mechanisms contributes to pathological conditions.
  • To highlight the challenges in developing targeted therapies for osteoimmunological diseases.

Main Methods:

  • Review of existing literature on osteoimmunology.
  • Analysis of gene-deficient mouse models with immune and bone phenotypes.
  • Discussion of molecular mechanisms, including cytokines, signaling pathways, and transcription factors.

Main Results:

  • Bone cell regulation of immune cell development is supported by genetic studies.
  • Dysregulation of shared molecular pathways underlies various diseases.
  • Significant morbidity is associated with osteoimmunological diseases such as rheumatoid arthritis, osteoporosis, multiple myeloma, and cancers.

Conclusions:

  • The complex interplay between immune and bone tissues presents therapeutic challenges.
  • Targeting one system without adversely affecting the other remains a significant hurdle in drug discovery.
  • Further research into osteoimmunology is crucial for advancing treatment strategies.