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Related Concept Videos

Synthesis and Regulation of Thyroid Hormones01:20

Synthesis and Regulation of Thyroid Hormones

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Low blood levels of the thyroid hormones — triiodothyronine (T3) and thyroxine (T4) — signal the hypothalamus to release the thyrotropin-releasing hormone (TRH). TRH then reaches the pituitary gland and stimulates the release of thyroid-stimulating hormone(TSH) into the bloodstream.
Upon reaching the thyroid gland, TSH stimulates the follicular cells' active uptake of iodide ions from the blood. The ions diffuse to the apical surface of the cells and are oxidized to iodine. The...
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The Thyroid Gland01:23

The Thyroid Gland

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The thyroid gland is a small, butterfly-shaped gland located in the neck and covers the anterior surface of the trachea. The gland has two lateral lobes connected by a thin tissue mass called the isthmus. Internally, each lobe comprises many small spherical structures known as thyroid follicles, surrounded by a network of blood vessels.
The follicles have a central cavity lined by simple cuboidal to squamous epithelial cells called follicular cells. These cells produce the glycoprotein...
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Functions of Thyroid Hormones01:18

Functions of Thyroid Hormones

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The thyroid hormone (TH) plays a pivotal role in the intricate orchestration of physiological processes, exerting profound effects on development, metabolism, and homeostasis throughout different life stages.
TH is indispensable for the normal development and maturation of the skeletal, muscular, and nervous systems during fetal and childhood growth. It facilitates bone mineral turnover and regulates protein synthesis in developing tissues, contributing significantly to overall growth and...
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Stem Cell Therapy for Tissue Regeneration01:21

Stem Cell Therapy for Tissue Regeneration

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Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
Types of Stem Cells used in Stem Cell Therapy
The two main cell...
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Tissue Transplantation01:24

Tissue Transplantation

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Tissue transplantation is a significant medical procedure involving the transfer of cells, tissues, or organs from a donor to a recipient, with the primary aim of restoring lost functions. This procedure is crucial in treating a broad spectrum of diseases, including kidney diseases, liver failure, heart disease, and certain types of cancers.
The Biology of Tissue Transplantation
The biology of tissue transplantation hinges on the Major Histocompatibility Complex (MHC) molecules. These molecules...
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Overview of Regeneration and Repair01:19

Overview of Regeneration and Repair

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Regeneration and repair processes are critical in healing damages caused by injury, disease, and aging. In regeneration, the damaged tissue is entirely replaced with new growth that restores the original architecture and function. In contrast, tissue repair usually results in a fixed tissue architecture involving scar formation. Scars generally do not reestablish tissue function and may also exhibit structural abnormalities at the injury site.
Regeneration
All animals have varying degrees of...
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Related Experiment Video

Updated: Jul 16, 2025

An Ex vivo Culture System to Study Thyroid Development
08:33

An Ex vivo Culture System to Study Thyroid Development

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Progress Toward and Challenges Remaining for Thyroid Tissue Regeneration.

Mírian Romitti1, Sabine Costagliola1

  • 1Institut de Recherche Interdisciplinaire en Biologie Humaine et Moléculaire (IRIBHM), Université Libre de Bruxelles (ULB), 1070 Brussels, Belgium.

Endocrinology
|September 10, 2023
PubMed
Summary
This summary is machine-generated.

Adult thyroid regeneration remains debated, with partial damage showing limited potential. Complete thyroid removal necessitates external tissue sources, making thyroid organoid transplantation a promising regenerative medicine approach.

Keywords:
organoidsregenerationstem cellsthyroidtransplantation

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Related Experiment Videos

Last Updated: Jul 16, 2025

An Ex vivo Culture System to Study Thyroid Development
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Area of Science:

  • Endocrinology and Regenerative Medicine
  • Molecular and Cellular Biology

Background:

  • Hypothyroidism, caused by insufficient thyroid hormone synthesis, is a global health issue.
  • Adult thyroid regeneration is debated, with residual tissue after surgery showing limited functional recovery.
  • Complete thyroidectomy prevents natural regeneration, highlighting the need for alternative tissue sources.

Approach:

  • This review synthesizes current research on adult thyroid regeneration mechanisms.
  • Investigates cellular pathways involved in thyroid tissue repair after partial damage.
  • Examines the potential of thyroid organoid transplantation for restoring thyroid function.

Key Points:

  • Potential regenerative mechanisms involve microfollicular cells and progenitor cells, but remain unclear.
  • Thyroid organoids derived from various sources show promise in preclinical models.
  • Challenges persist in achieving full maturation and functionality of human thyroid organoids.

Conclusions:

  • Thyroid organoid transplantation represents a significant advancement in regenerative medicine for hypothyroidism.
  • Further research is needed to overcome challenges in human thyroid organoid development and clinical application.
  • Understanding thyroid regeneration mechanisms is crucial for developing effective therapeutic strategies.