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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...
Osteoclasts in Bone Remodeling01:31

Osteoclasts 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...
The Functions of the Skeletal System01:22

The Functions of the Skeletal System

The most apparent functions of the skeletal system are support, protection, and movement. However, bone tissue also performs several other critical metabolic functions. For one, the bone matrix acts as a reservoir for a number of minerals important to the functioning of the body, especially calcium and phosphorus. These minerals, present in the bone tissue, can be released back into the bloodstream when required. Calcium ions, for example, are essential for muscle contractions and controlling...
Essential Minerals for Bone Health01:31

Essential Minerals for Bone Health

The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, phosphorus, magnesium, manganese, and fluoride, largely affect bone health.
Calcium and Phosphorus
Calcium is a critical component of bones, especially in the form of calcium phosphate and calcium carbonate. Since the body cannot make calcium, it must be obtained from the diet. However, calcium cannot be absorbed from the small intestine without...
The Bone Matrix01:18

The Bone Matrix

Bone contains a relatively small number of cells entrenched in a matrix of collagen fibers that provide an adherent surface for inorganic salt crystals. Both components of the matrix, organic and inorganic, contribute to the unusual properties of bone. Without collagen, bones would be brittle and shatter easily. Without mineral crystals, bones would flex and provide little support. This can be observed by an experiment: when the minerals of a bone are dissolved by soaking the bone in acid or...
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...

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Related Experiment Video

Updated: Jun 2, 2026

Identification and Dissection of Diverse Mouse Adipose Depots
06:31

Identification and Dissection of Diverse Mouse Adipose Depots

Published on: July 11, 2019

[Adipocytes and bone metabolism].

Hironori Waki1, Toshimasa Yamauchi, Takashi Kadowaki

  • 1Department of Diabetes and Metabolic Diseases, the University of Tokyo.

Clinical Calcium
|May 3, 2011
PubMed
Summary

This review explores the link between fat cells (adipocytes) and bone metabolism. It highlights how diabetes drugs may affect bone health, particularly in postmenopausal women.

Area of Science:

  • Stem cell biology
  • Metabolic bone disease

Background:

  • Mesenchymal stem cells differentiate into adipocytes, osteoblasts, and chondrocytes.
  • Factors influencing the differentiation of these cell types are crucial for understanding tissue homeostasis.
  • Thiazolidinediones, used for diabetes, have been linked to increased bone fracture risk.

Purpose of the Study:

  • To review recent research on the interplay between adipocytes and bone metabolism.
  • To elucidate the mechanisms underlying thiazolidinedione-induced bone alterations.

Main Methods:

  • Literature review of recent scientific publications.
  • Analysis of clinical data on thiazolidinedione use and bone health.

Main Results:

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Using Real-Time Cell Metabolic Flux Analyzer to Monitor Osteoblast Bioenergetics
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Using Real-Time Cell Metabolic Flux Analyzer to Monitor Osteoblast Bioenergetics

Published on: March 1, 2022

Related Experiment Videos

Last Updated: Jun 2, 2026

Identification and Dissection of Diverse Mouse Adipose Depots
06:31

Identification and Dissection of Diverse Mouse Adipose Depots

Published on: July 11, 2019

Using Real-Time Cell Metabolic Flux Analyzer to Monitor Osteoblast Bioenergetics
09:43

Using Real-Time Cell Metabolic Flux Analyzer to Monitor Osteoblast Bioenergetics

Published on: March 1, 2022

  • Adipocyte differentiation is closely linked to osteoblast and chondrocyte development.
  • Thiazolidinediones may disrupt the balance of bone metabolism, potentially by influencing adipogenesis.
  • Increased fracture risk in postmenopausal women using these drugs is a significant concern.
  • Conclusions:

    • The relationship between fat metabolism and bone health is complex and bidirectional.
    • Further research is needed to clarify the precise mechanisms by which adipocytes influence bone.
    • Understanding these interactions is vital for developing safer therapeutic strategies for metabolic and bone diseases.