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Related Concept Videos

Antidepressant Drugs: Tricyclics, SSRIs, and SNRIs01:28

Antidepressant Drugs: Tricyclics, SSRIs, and SNRIs

Tricyclic Antidepressants (TCAs), including Desipramine (Norpramin), Imipramine (Tofranil), Clomipramine (Anafranil), and Amitriptyline (Elavil), inhibit serotonin and norepinephrine reuptake and also block other receptors. They are used for depression, pain conditions, and insomnia. Common adverse effects include anticholinergic effects, sedation, orthostatic hypotension, and weight gain. They have a narrow therapeutic window and so require plasma-level monitoring. Abrupt discontinuation can...
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...
Antidepressant Drugs: MAOIs and Other Agents01:23

Antidepressant Drugs: MAOIs and Other Agents

Atypical antidepressants, including bupropion (Wellbutrin), mirtazapine (Remeron), nefazodone (Serzone), trazodone (Desyrel), and vilazodone (Viibryd), offer unique mechanisms of action. Bupropion weakly inhibits dopamine and norepinephrine reuptake, aiding depression treatment and smoking cessation, with a low risk of sexual dysfunction. Mirtazapine enhances serotonin and norepinephrine neurotransmission, leading to sedation, increased appetite, and weight gain. As a result, it helps treat...
Role of Vitamins in Maintaining Bone Health01:25

Role of Vitamins in Maintaining Bone Health

The growth and maintenance of bone are regulated by a combination of nutritional factors, including vitamins, such as vitamin A, B12, C, D, and K.
Vitamin A
Vitamin A is involved in the process of bone remodeling. Retinoic acid, the active metabolite of Vitamin A, has nuclear receptors in osteoblasts and osteoclasts, which are involved in bone remodeling.
Vitamin B12
Vitamin B12 acts as a cofactor during the formation of osteoblast-related proteins, such as osteocalcin. Vitamin B12 plays a role...
Antidepressant Drugs: Overview01:25

Antidepressant Drugs: Overview

Antidepressant drugs are a class of medications primarily used for treating various mood disorders, including major depression, anxiety disorders, and other related conditions. These medicines work by modulating the neurotransmitter balance within the brain, alleviating depressive symptoms. Antidepressants can be broadly categorized into several groups according to their mechanism of action and chemical structure: Selective Serotonin Reuptake Inhibitors (SSRIs), Serotonin-Norepinephrine...
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...

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Related Experiment Video

Updated: May 28, 2026

Estrogen-Like Effect of Bazi Bushen Capsule in Ovariectomized Rats
08:56

Estrogen-Like Effect of Bazi Bushen Capsule in Ovariectomized Rats

Published on: April 7, 2023

Do SSRIs play a role in decreasing bone mineral density?

Fonda Chen1, Theodore J Hahn, Nancy T Weintraub

  • 1Greater Los Angeles Veterans Affairs Medical Center and UCLA Division of Geriatric Medicine, Los Angeles, CA, USA.

Journal of the American Medical Directors Association
|November 1, 2011
PubMed
Summary

As the population ages, osteoporosis risk rises. Depression, especially with selective serotonin receptor inhibitors, may impact bone health and increase fracture risk, warranting bone evaluation.

Related Experiment Videos

Last Updated: May 28, 2026

Estrogen-Like Effect of Bazi Bushen Capsule in Ovariectomized Rats
08:56

Estrogen-Like Effect of Bazi Bushen Capsule in Ovariectomized Rats

Published on: April 7, 2023

Area of Science:

  • Gerontology
  • Pharmacology
  • Bone Metabolism

Background:

  • Osteoporosis prevalence is increasing with an aging global population, leading to significant morbidity and mortality.
  • Depression is highly prevalent in the elderly, affecting up to 35% of long-term care residents.
  • Selective serotonin receptor inhibitors (SSRIs) are the most prescribed antidepressants, accounting for 62% of all prescriptions.

Purpose of the Study:

  • To investigate the potential impact of serotonin reuptake inhibitors on bone metabolism.
  • To explore the relationship between depression, SSRI use, and osteoporosis-related fractures.

Main Methods:

  • Review of current scientific literature on serotonin transporters in bone.
  • Analysis of existing evidence linking depression and SSRI use to bone health outcomes.

Main Results:

  • Serotonin transporters have recently been identified in bone tissue.
  • Emerging evidence suggests that medications blocking serotonin reuptake may influence bone metabolism.
  • Depression, especially when treated with SSRIs, is proposed as a potential risk factor for osteoporosis.

Conclusions:

  • Depression and SSRI use should be considered as potential contributing factors to osteoporosis.
  • Clinicians should evaluate bone health status in elderly patients with depression, particularly those on SSRIs.
  • Further research is needed to elucidate the mechanisms by which SSRIs affect bone metabolism.