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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...
TGF - β Signaling Pathway01:16

TGF - 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...
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.
Bone Remodeling and Repair01:31

Bone Remodeling and Repair

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...
Endocrine Signaling01:45

Endocrine Signaling

Endocrine cells produce hormones to communicate with remote target cells found in other organs. The hormone reaches these distant areas using the circulatory system. This exposes the whole organism to the hormone but only those cells expressing hormone receptors or target cells are affected. Thus, endocrine signaling induces slow responses from its target cells but these effects also last longer.
Endocrine Signaling01:45

Endocrine Signaling

Endocrine cells produce hormones to communicate with remote target cells found in other organs. The hormone reaches these distant areas using the circulatory system. This exposes the whole organism to the hormone but only those cells expressing hormone receptors or target cells are affected. Thus, endocrine signaling induces slow responses from its target cells but these effects also last longer.

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Culture of Murine Embryonic Metatarsals: A Physiological Model of Endochondral Ossification
07:23

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Multifunctional bone morphogenetic protein system in endocrinology.

Fumio Otsuka1

  • 1Department of General Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan. fumiotsu@md.okayama-u.ac.jp

Acta Medica Okayama
|April 23, 2013
PubMed
Summary
This summary is machine-generated.

Bone morphogenetic proteins (BMPs) have new endocrine roles beyond bone formation. This review covers BMPs in the ovary, pituitary, and adrenal glands, exploring their clinical potential.

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Area of Science:

  • Endocrinology
  • Molecular Biology
  • Cell Biology

Background:

  • Bone morphogenetic proteins (BMPs) comprise a system of ligands and receptors with diverse biological functions.
  • Beyond bone formation, BMPs exhibit tissue-specific roles in various organs, including the endocrine system.
  • Recent research highlights novel activities of BMPs within the endocrine system.

Purpose of the Study:

  • To review recent advances in BMP biology within the field of endocrinology.
  • To discuss the tissue-specific roles of BMPs in the ovary, pituitary, and adrenal glands.
  • To explore the potential clinical applications of BMP activity.

Main Methods:

  • Literature review of recent studies on BMPs in endocrinology.
  • Analysis of BMP expression and function in ovarian, pituitary, and adrenal tissues.
  • Discussion of clinical implications and therapeutic possibilities.

Main Results:

  • Ovarian BMP system inhibits luteinization; BMP-15 is crucial for female reproduction.
  • Pituitary BMP-4 is vital for anterior pituitary development and implicated in pituitary tumors.
  • Adrenal BMP-6 and BMP-4 regulate aldosterone and catecholamine production, respectively.

Conclusions:

  • BMPs play critical, diverse roles in endocrine gland function and reproduction.
  • Understanding BMP activity opens avenues for novel clinical applications in endocrine disorders.
  • Further research is warranted to fully elucidate BMP pathways and therapeutic potential.