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Hormones and Bone Tissue01:17

Hormones and Bone Tissue

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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.
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Tetrahydrocannabinol (THC) is a phytocannabinoid that primarily interacts with the CB1 receptor, a type of G protein-coupled receptor (GPCR) predominantly in and around the chemoreceptor trigger zone (CTZ) and emetic center. THC also blocks the serotonin receptor activity in the dorsal vagal complex (DVC) by inhibiting serotonin release. THC exerts its anti-emetic effects through these interactions, which are beneficial for patients undergoing chemotherapy.
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Bone Disorders01:29

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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.
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Osteoclasts in Bone Remodeling01:31

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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...
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CNS Stimulants: Cocaine, Amphetamines and Cannabinoids01:24

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CNS stimulants, such as cocaine, amphetamines, and cannabinoids, have varying structures and mechanisms of action that lead to different therapeutic effects and side effects. Cocaine, with its molecular formula C17H21NO4, is a tropane alkaloid and a tertiary amino compound. It has two chemical forms: the hydrochloride salt and the "freebase." The former is in powder form, while the latter involves removing the hydrochloride salt to create a form that can be smoked. Cocaine exerts its...
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Bone Remodeling01:40

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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.
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Related Experiment Video

Updated: Dec 14, 2025

Real-Time Imaging of CCL5-Induced Migration of Periosteal Skeletal Stem Cells in Mice
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The Cannabinoids Effect on Bone Formation and Bone Healing.

Bitya Raphael-Mizrahi1, Yankel Gabet2

  • 1Department of Anatomy and Anthropology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, 69978, Tel Aviv, Israel. bityar@tau.ac.il.

Current Osteoporosis Reports
|July 25, 2020
PubMed
Summary
This summary is machine-generated.

The skeletal endocannabinoid system impacts bone health. Cannabidiol (CBD) shows promise in enhancing bone healing, but further clinical trials are needed to confirm its efficacy.

Keywords:
BoneCB1 receptorCB2 receptorCBDCannabinoidCannabisEndocannabinoidFractureOsteoporosisSkeleton

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Area of Science:

  • Bone biology
  • Endocrinology
  • Pharmacology

Background:

  • The endocannabinoid system (ECS) comprises endogenous ligands, receptors, and enzymes.
  • Cannabinoids like Δ9-tetrahydrocannabinol (THC) and cannabidiol (CBD) interact with ECS receptors.
  • Cannabinoid receptors CB1 and CB2 are present in bone tissue, influencing skeletal homeostasis.

Purpose of the Study:

  • To review recent findings on the skeletal endocannabinoid system.
  • To explore the ECS role in bone formation and resorption.
  • To highlight the potential of cannabinoids in bone repair.

Main Methods:

  • Literature review of studies on the skeletal endocannabinoid system.
  • Analysis of research investigating cannabinoid effects on bone.
  • Examination of findings related to fracture healing and bone loss.

Main Results:

  • Cannabidiol (CBD) treatment demonstrated enhanced fracture healing in rat models.
  • Studies indicate that genetic background, age, and sex influence skeletal responses to ECS activation.
  • Existing research suggests ECS activity is protective against bone loss.

Conclusions:

  • CBD shows potential for enhancing bone healing, warranting clinical validation.
  • Further research is needed to explore CB1 and CB2 agonists in bone regeneration.
  • Modulating the endocannabinoid system presents a potential therapeutic avenue for bone repair.