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Related Concept Videos

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 Formation by Intramembranous Ossification01:29

Bone Formation by Intramembranous Ossification

Intramembranous ossification is one of the two processes involved in the development of bones within an embryo. The flat bones of the face, most of the cranial bones, and the clavicles are formed via this process. During intramembranous ossification, the bones develop directly from sheets of undifferentiated mesenchymal connective tissue.
The process begins when mesenchymal cells in the embryonic skeleton gather together and differentiate into osteogenic cells, which then develop into...
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...
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...
Role of Matrix Metalloproteases in Degradation of ECM01:23

Role of Matrix Metalloproteases in Degradation of ECM

Matrix metalloproteases (MMPs) are enzymes involved in the hydrolysis of proteins and glycoproteins of the extracellular matrix. MMPs are essential for the migration and proliferation of cells through the dense matrix network, throughout embryonic development, and throughout morphogenesis. The first MMP activity discovered was a collagenase in a tadpole's tail undergoing metamorphosis. The active collagen deposition and modifications lead to the morphogenesis of tadpoles into the adult body.
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Covalent Binding of BMP-2 on Surfaces Using a Self-assembled Monolayer Approach
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BMPs: from bone to body morphogenetic proteins.

Darja Obradovic Wagner1, Christina Sieber, Raghu Bhushan

  • 11Institute of Chemistry and Biochemistry, Freie Universitaet Berlin, Berlin, Germany.

Science Signaling
|February 4, 2010
PubMed
Summary
This summary is machine-generated.

Bone morphogenetic proteins (BMPs) are vital signaling molecules involved in embryonic development, tissue repair, and stem cell regulation. Their diverse roles extend beyond bone, earning them the new title "body morphogenetic proteins."

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Area of Science:

  • Cell Biology
  • Developmental Biology
  • Biochemistry

Background:

  • Bone morphogenetic proteins (BMPs) are secreted cytokines that signal via serine/threonine kinase receptors.
  • BMP signaling is intricately regulated by extracellular antagonists, co-receptors, and intracellular molecules.
  • Initially discovered for bone induction, BMPs have broader physiological roles than previously understood.

Framework:

  • BMPs influence embryonic patterning, stem cell niches, tissue homeostasis, and regeneration.
  • The First International BMP Workshop convened leaders to discuss modern BMP signaling trends.
  • This summary highlights new insights into BMP functions across various tissues.

Implementation:

  • Recombinant BMPs are clinically used for bone and kidney disorders.
  • Genetically modified BMPs show promise in regenerative medicine and tissue engineering.
  • Research focuses on understanding BMPs' versatile roles in cell and developmental biology.

Implications:

  • BMPs are crucial for diverse biological processes, from development to regeneration.
  • The therapeutic potential of BMPs is expanding in regenerative medicine.
  • BMPs' extensive functions justify their reclassification as "body morphogenetic proteins."