Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Overview of Hematopoiesis

Overview of Hematopoiesis

Hematopoiesis, or blood cell production, is a vital biological process that begins early in embryonic development and continues throughout life. This process generates the various types of cells found in blood, including red blood cells, white blood cells, and platelets from hematopoietic stem cells (HSCs).
Developmental Phases of Hematopoiesis
Initially, HSCs are formed in the embryonic yolk sac, a critical site for early blood cell production. These stem cells subsequently migrate to other...

Hematopoiesis

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...

Stem Cell Niche

Stem Cell Niche

The stem cell niche is the dynamic microenvironment where stem cells reside. Inside these niches, the cells may remain undifferentiated, undergo high self-renewal, or become lineage-specific progenitors. Stem cells coexist with other niche cells, such as stromal cells. They also interact closely with the ECM. Cell-cell and cell-matrix communication occur via adhesion molecules or soluble factors that signal the stem cells and determine their fate. Stromal cells also provide survival signals to...

Role of Hematopoietic Growth Factors

Role of Hematopoietic Growth Factors

Hematopoietic growth factors are molecules that regulate the differentiation rate of hematopoietic stem cells (HSCs). Erythropoietin (EPO), primarily produced by the kidneys, plays a crucial role in erythrocyte production. When oxygen levels in the blood are low, EPO is released into the bloodstream, reaching the bone marrow, where it stimulates HSCs to differentiate and mature into erythrocytes, which are vital for oxygen transport.
Thrombopoietin (TPO), mainly released by the liver,...

Multipotency of Hematopoietic Stem Cells

Multipotency of Hematopoietic Stem Cells

The hematopoietic stem cells or HSCs are multipotent, meaning they can differentiate and give rise to all blood and immune cells. HSCs are maintained in the quiescent stage until an external stimulus initiates their differentiation. The multipotent HSCs exist as two heterogeneous populations, long-term repopulating cells (LTRC) and short-term repopulating cells (STRC). The two HSC populations have different surface markers or receptors and are classified based on quiescence and long-term...

Regulation of Hematopoietic Stem Cells

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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Local delivery of SBRT and IL-12 to murine PDAC tumors modulates hematopoiesis.

Oncoimmunology·2026

Same author

IL1β/IL1R1/IRAK4 Drives Inflammatory Ovarian Cancer Seeding at the inflamed sites and Is Reversed by an IRAK4 inhibitor UR241-2.

bioRxiv : the preprint server for biology·2026

Same author

Mirvetuximab soravtansine plus pembrolizumab in recurrent folate receptor alpha-positive uterine serous carcinoma: a phase II trial.

Nature communications·2026

Same author

Cell Culture Substrate Variation Alters Extracellular Vesicle Biogenesis Without Affecting Non-Coding Repeat RNA Profile.

Small (Weinheim an der Bergstrasse, Germany)·2026

Same author

A compartmentalized inflammatory landscape and macrophage plasticity regulate Tet2+/--mediated clonal hematopoiesis.

Blood·2026

Same author

Taurine transporter SLC6A6 expression promotes mesenchymal stromal cell function.

Cell death & disease·2026

Search research articles

Related Experiment Video

Updated: Jul 3, 2026

Combining Intravital Fluorescent Microscopy (IVFM) with Genetic Models to Study Engraftment Dynamics of Hematopoietic Cells to Bone Marrow Niches

Combining Intravital Fluorescent Microscopy (IVFM) with Genetic Models to Study Engraftment Dynamics of Hematopoietic Cells to Bone Marrow Niches

Published on: March 21, 2017

Hematopoietic niche and bone meet.

Benjamin J Frisch¹, Rebecca L Porter, Laura M Calvi

¹Endocrine Division, Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York 14642, USA.

Current Opinion in Supportive and Palliative Care

|August 8, 2008

Summary

The hematopoietic stem cell (HSC) niche in bone marrow involves complex cell and molecule interactions. Understanding this microenvironment offers therapeutic targets for blood cancers and bone metastases.

More Related Videos

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

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

Published on: August 1, 2017

Homing of Hematopoietic Cells to the Bone Marrow

Homing of Hematopoietic Cells to the Bone Marrow

Published on: March 18, 2009

Related Experiment Videos

Last Updated: Jul 3, 2026

Combining Intravital Fluorescent Microscopy (IVFM) with Genetic Models to Study Engraftment Dynamics of Hematopoietic Cells to Bone Marrow Niches

Combining Intravital Fluorescent Microscopy (IVFM) with Genetic Models to Study Engraftment Dynamics of Hematopoietic Cells to Bone Marrow Niches

Published on: March 21, 2017

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

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

Published on: August 1, 2017

Homing of Hematopoietic Cells to the Bone Marrow

Homing of Hematopoietic Cells to the Bone Marrow

Published on: March 18, 2009

Area of Science:

Hematology
Cancer Biology
Stem Cell Biology

Background:

The bone marrow houses hematopoietic stem cells (HSCs) within a specialized microenvironment.
This niche regulates HSC function and is increasingly recognized for its role in disease.

Purpose of the Study:

To review the hematopoietic stem cell (HSC) niche in the bone marrow.
To discuss recent advances and components of the niche relevant to cancer development and bone metastasis.

Main Methods:

Literature review of recent advances in HSC niche research.
Analysis of cellular and molecular interactions within the HSC microenvironment.

Main Results:

Significant progress has been made in understanding the HSC microenvironment's complexity.
Emerging data indicate shared signaling pathways supporting HSCs and malignant diseases.

Conclusions:

The HSC niche involves intricate cell-cell signaling and local secretion.
Niche components present therapeutic targets for HSC expansion and treating hematologic malignancies and bone metastases.