Related Experiment Video
Updated: Aug 7, 2026

12:38
Cortical Neurogenesis: Transitioning from Advances in the Laboratory to Cell-Based Therapies
Published on: July 19, 2007
Research policy and the mobility of US stem cell scientists
1Program in Science, Technology & Environmental Policy, Woodrow Wilson School of Public and International Affairs, Princeton University, Princeton, New Jersey 08544, USA. adlevine@princeton.edu
Nature Biotechnology
|July 15, 2006
Summary
Research policies for human embryonic stem cell science impact scientists' career plans. Navigating these regulations is crucial for researchers in this controversial field.
Area of Science:
- Stem Cell Science
- Biomedical Research Policy
Background:
- Human embryonic stem cell (hESC) research is a rapidly advancing field with significant therapeutic potential.
- This scientific area is subject to complex and evolving state and national research policies.
- These policies create a challenging environment for hESC scientists.
Purpose of the Study:
- To investigate the influence of current research policies on the career trajectories of scientists in human embryonic stem cell research.
- To understand how regulatory landscapes shape the professional decisions and future plans of researchers in this field.
Main Methods:
- Qualitative analysis of interviews with hESC scientists.
- Survey data collection on career intentions and perceived policy impacts.
- Policy document analysis to contextualize scientific practice.
Main Results:
- A significant portion of scientists report that research policies directly affect their career choices, including project selection and location of research.
- Concerns about funding availability and regulatory hurdles are primary drivers influencing career decisions.
- Many scientists express uncertainty about the long-term stability and direction of the field due to policy fluctuations.
Conclusions:
- State and national policies governing human embryonic stem cell research present substantial challenges to scientists' career planning.
- The perceived instability and complexity of the regulatory environment may deter new researchers and impact the progression of the field.
- Policy makers should consider the effects on scientific careers when formulating regulations for stem cell research.
More Related Videos
Related Concept Videos
Stem Cell Culture
Stem cell research aims to find ways to use stem cells to regenerate and repair cellular damage. Over time, most adult cells undergo the wear and tear of aging and lose their ability to divide and repair themselves. Stem cells do not display a particular morphology or function. Adult stem cells, which exist as a small subset of cells in most tissues, keep dividing and can differentiate into a number of specialized cells generally formed by that tissue. These cells enable the body to renew and...
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...
Embryonic Stem Cells
Embryonic stem (ES) cells were first discovered in mice in 1981 by Martin Evans. In 1998, James Thomson identified a method to isolate embryonic stem cells from humans. Human embryonic stem cells (hESCs) are obtained from 3-5 day old embryos that remain unused after an in vitro fertilization procedure.
ES cells are grown in a culture medium where they can divide indefinitely, creating ES cell lines. Under certain conditions, ES cells can differentiate, either spontaneously into a variety of...
ES cells are grown in a culture medium where they can divide indefinitely, creating ES cell lines. Under certain conditions, ES cells can differentiate, either spontaneously into a variety of...
Maintenance of the ES Cell State
The cells of the blastocyst inner cell mass only remain pluripotent for a short time. This state of pluripotency and self-renewal can be maintained in embryonic stem (ES) cell culture by adding specific chemicals or growth factors to ensure the cells can continue dividing and later differentiate into different cell types. In some cases, the cells are grown on a feeder layer of differentiated cells, which provides the growth factors and extracellular matrix components necessary for stem cell...
Cell Migration
Cell migration is a process by which the cells move from one location to another, playing an essential role in embryological development, repair and regeneration, immune response, and metastasis. Cells migrate in response to chemical or mechanical signals generated by specific organs or tissues. The overall mechanism includes three steps - polarization, protrusion, and release. Polarization involves the formation of a distinct cell front and rear, which determines the direction of movement.
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...

