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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 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...
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...
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...
Bone Remodeling01:40

Bone 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.
Synthesis and Functions of Calcitonin00:51

Synthesis and Functions of Calcitonin

Calcitonin, a vital polypeptide hormone, regulates calcium levels within body fluids. It is released by the parafollicular cells, also known as C cells, situated in the follicular epithelium of the thyroid gland. Calcitonin responds to fluctuations in blood calcium levels and the influence of gastrointestinal hormones like gastrin and cholecystokinin.
The exact mechanisms by which calcitonin operates in calcium homeostasis remain elusive, but its significance is evident in several vital...

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Related Experiment Video

Updated: May 19, 2026

Identification and Dissection of Diverse Mouse Adipose Depots
06:31

Identification and Dissection of Diverse Mouse Adipose Depots

Published on: July 11, 2019

Adiponectin in metabolic bone disease.

I Kanazawa1

  • 1Department of Internal Medicine 1, Shimane University Faculty of Medicine, 89-1 Enya-cho, Izumo 693-8501, Japan. ippei.k@med.shimane-u.ac.jp

Current Medicinal Chemistry
|August 11, 2012
PubMed
Summary
This summary is machine-generated.

Adiponectin

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Last Updated: May 19, 2026

Identification and Dissection of Diverse Mouse Adipose Depots
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Published on: July 11, 2019

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

Published on: March 1, 2022

Area of Science:

  • Endocrinology
  • Bone Biology
  • Metabolic Regulation

Background:

  • Adiponectin plays a key role in glucose metabolism and energy balance.
  • Adiponectin and its receptor are present in osteoblasts, indicating a role in bone metabolism.
  • Clinical studies suggest adiponectin negatively correlates with bone mineral density (BMD).

Purpose of the Study:

  • To review the multifaceted effects of adiponectin on bone metabolism.
  • To explore adiponectin's role in osteoblast and osteoclast function.
  • To examine the adiponectin-bone-fat endocrine loop.

Main Methods:

  • Review of in vitro and in vivo studies on adiponectin's effects on bone cells.
  • Analysis of human clinical data linking adiponectin to BMD and bone turnover markers.
  • Synthesis of research on the interplay between bone, fat, and adiponectin.

Main Results:

  • In vitro studies indicate adiponectin promotes osteoblast differentiation and inhibits osteoclast activity.
  • In vivo studies on adiponectin's bone effects have yielded conflicting results.
  • Emerging evidence highlights an endocrine loop connecting bone-derived osteocalcin and adiponectin in regulating metabolism.

Conclusions:

  • Adiponectin's role in bone metabolism is complex, with in vitro and in vivo data showing discrepancies.
  • Adiponectin influences both bone formation and resorption.
  • Bone and fat metabolism are interconnected through adiponectin and osteocalcin.