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Related Concept Videos

Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
Hematopoiesis01:21

Hematopoiesis

The process of blood cell formation is called hematopoiesis. Hematopoiesis starts early during development, on the seventh day of embryogenesis. This phase of hematopoiesis is called the primitive wave, wherein the extraembryonic yolk sac allows the production of erythroid cells and endothelial cells from a common precursor called hemangioblast. The erythroid cells provide oxygen to support the growth of the rapidly dividing embryo. Hemangioblasts later develop into hematopoietic stem cells or...
Production of Formed Elements01:34

Production of Formed Elements

Hemangioblasts are multipotent stem cells originating from the mesoderm. They give rise to hematopoietic stem cells (HSCs), which undergo hematopoiesis to produce all the formed elements of blood. This process is regulated by a complex network of hematopoietic growth factors, including transcription factors, growth factors, and cytokines. These factors stimulate the HSCs to divide and differentiate, though some HSCs remain undifferentiated to maintain a self-renewing pool.
Most HSCs commit to...
Regulation of Hematopoietic Stem Cells01:01

Regulation of Hematopoietic Stem Cells

All blood and immune cells are produced from the multipotent hematopoietic stem cells (HSCs) by the process of hematopoiesis. However, they all have a limited life span. In addition, many are depleted in immune surveillance or combatting an injury or infection. This makes blood one of the most regenerative tissues. Hematopoiesis helps replenish these blood and immune cells, restoring the body's normal functioning. However, overproduction of blood and immune cells can make them cancerous or...
Hormonal Regulation of Blood Pressure01:17

Hormonal Regulation of Blood Pressure

Endocrinal or hormonal intervention in the cardiovascular system is predominantly exerted by the catecholamines - epinephrine and norepinephrine, as well as a slew of hormones that interact with renal function to modulate blood volume.
Epinephrine and Norepinephrine
The adrenal medulla releases epinephrine and norepinephrine, catecholamines that enhance and extend the sympathetic or "fight or flight" physiological response. These hormones escalate heart rate and the force of contraction while...
Antihypertensive Drugs: Action of β1 Blockers01:17

Antihypertensive Drugs: Action of β1 Blockers

β1-receptors are primarily located in the heart and kidneys. In cardiac myocytes, these receptors interact with neurotransmitters released by the sympathetic nervous system during heightened activity or danger. As a result, β1-receptors get activated, initiating a series of biochemical processes. Excessive activation of beta receptors due to chronic stress can abnormally increase heart rate and contractility, resulting in high blood pressure or hypertension. To counteract this, β1-blockers...

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Related Experiment Video

Updated: Jun 10, 2026

A Human Bone Marrow 3D Model to Investigate the Dynamics and Interactions Between Resident Cells in Physiological or Tumoral Contexts
09:07

A Human Bone Marrow 3D Model to Investigate the Dynamics and Interactions Between Resident Cells in Physiological or Tumoral Contexts

Published on: December 16, 2022

Bone marrow-derived cells and hypertension.

Ki E Park1, Carl J Pepine

  • 1Division of Cardiovascular Medicine, University of Florida College of Medicine, 1600 SW Archer Rd, PO Box 100277, Gainesville, FL 32610-0277, USA.

Expert Review of Cardiovascular Therapy
|July 31, 2010
PubMed
Summary
This summary is machine-generated.

Hypertension impairs vascular progenitor cell function, increasing risks for cardiovascular disease. This review focuses on bone marrow-derived progenitor cells and their critical role in hypertension-related vascular dysfunction.

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Last Updated: Jun 10, 2026

A Human Bone Marrow 3D Model to Investigate the Dynamics and Interactions Between Resident Cells in Physiological or Tumoral Contexts
09:07

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Visualizing Leukocyte Rolling and Adhesion in Angiotensin II-Infused Mice: Techniques and Pitfalls
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Bioengineering of Humanized Bone Marrow Microenvironments in Mouse and Their Visualization by Live Imaging
10:03

Bioengineering of Humanized Bone Marrow Microenvironments in Mouse and Their Visualization by Live Imaging

Published on: August 1, 2017

Area of Science:

  • Cardiovascular Science
  • Vascular Biology
  • Hypertension Research

Background:

  • Inadequate organ perfusion is a primary driver of hypertension-related adverse outcomes.
  • Vascular health improvement strategies focus on reducing vessel wall injury and enhancing repair mechanisms.
  • Vascular progenitor cells and angiogenesis are key to cardiovascular repair.

Purpose of the Study:

  • To review recent findings on vascular progenitor cell function in hypertension.
  • To highlight the link between impaired progenitor cell function and increased cardiovascular disease risk.
  • To focus on bone marrow-derived progenitor cells as a critical defense mechanism in hypertension.

Main Methods:

  • Literature review of recent findings on vascular progenitor cells in hypertension.
  • Analysis of the role of bone marrow-derived progenitor cells in vascular repair.
  • Synthesis of evidence linking progenitor cell dysfunction to hypertension-related risks.

Main Results:

  • Limitations in vascular progenitor cell function are evident in hypertension.
  • Impaired progenitor cell function contributes to increased risks for coronary artery disease.
  • Bone marrow-derived progenitor cells play a pivotal role in the body's defense against vascular damage in hypertension.

Conclusions:

  • Dysfunctional vascular progenitor cells in hypertension underlie significant adverse vascular outcomes.
  • Understanding these cellular mechanisms offers potential for future therapeutic strategies.
  • Bone marrow-derived progenitor cells are central to vascular health maintenance in the context of hypertension.