Related Experiment Video

Updated: Jun 28, 2025

Osteoclast Derivation from Mouse Bone Marrow
06:17

Osteoclast Derivation from Mouse Bone Marrow

Published on: November 6, 2014

24.2K

Osteoporosis: Emerging targets on the classical signaling pathways of bone formation

Si-Yan Li1, Si-Tu Xue1, Zhuo-Rong Li1

  • 1Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China.

European Journal of Pharmacology
|April 20, 2024
PubMed

Insights

New osteoporosis treatments target molecular pathways like WNT, BMP, hedgehog, and Notch signaling. Understanding these pathways and their crosstalk offers promising new anabolic drug development beyond current osteoporosis therapies.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Orthopedics

Background:

  • Osteoporosis is a major skeletal disorder marked by low bone mass and deterioration.
  • Current treatments focus on bone resorption inhibition and formation promotion, but have limitations.
  • There is a significant need for innovative therapeutic strategies for osteoporosis.

Purpose of the Study:

  • To explore emerging molecular targets in key signaling pathways regulating osteogenesis.
  • To understand the roles of wingless/integrated (WNT), bone morphogenetic protein (BMP), hedgehog (HH), and Notch signaling in bone metabolism.
  • To identify crosstalk targets between these pathways for a comprehensive view of bone regulation.

Main Methods:

  • Literature review of molecular targets in WNT, BMP, HH, and Notch signaling pathways.
  • Analysis of signaling pathway crosstalk in osteogenesis.
  • Synthesis of current understanding of molecular mechanisms in osteoporosis.

Main Results:

  • Identified key molecular targets within WNT, BMP, HH, and Notch signaling pathways.
  • Elucidated the role of these pathways in regulating osteogenesis.
  • Highlighted the significance of crosstalk between signaling pathways in bone metabolism.

Conclusions:

  • Unraveling molecular complexity offers insights into novel therapeutic targets for osteoporosis.
  • Emerging targets in signaling pathways provide a promising avenue for developing new anabolic drugs.
  • Understanding pathway interactions is crucial for advancing osteoporosis treatment beyond conventional methods.
Keywords:
Crosstalk targetsEmerging targetsOsteogenesisOsteoporosis

More Related Videos

Development of a Human Preclinical Model of Osteoclastogenesis from Peripheral Blood Monocytes Co-cultured with Breast Cancer Cell Lines06:00

Development of a Human Preclinical Model of Osteoclastogenesis from Peripheral Blood Monocytes Co-cultured with Breast Cancer Cell Lines

Published on: September 13, 2017

7.1K
A Novel in vivo Gene Transfer Technique and in vitro Cell Based Assays for the Study of Bone Loss in Musculoskeletal Disorders11:47

A Novel in vivo Gene Transfer Technique and in vitro Cell Based Assays for the Study of Bone Loss in Musculoskeletal Disorders

Published on: June 8, 2014

11.7K

Related Concept Videos

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...
2.9K
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...
2.7K
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...
3.5K
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.
38.3K
Transducer Mechanism: Enzyme-Linked Receptors01:27

Transducer Mechanism: Enzyme-Linked Receptors

Enzyme-linked receptors are cell-surface receptors acting as an enzyme or associating with an enzyme intracellularly. They make excellent drug targets. Drugs can bind to the extracellular ligand-binding domain or directly affect their enzymatic domain and alter their activity.
Major types that are helpful drug targets include:
2.5K
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...
7.3K