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Article Scans

Brief reviews of recently published articles, organized by stem cell type.

February 16, 2011 | Neural Stem Cells

Article Focus for this Month’s Edition of Stem Cells

Paper commentary by Carla B. Mellough

The subventricular zone (SVZ) is a multicellular structure that lines the lateral walls of the lateral ventricles of the brain. SVZ ependymal cells face the ventricular lumen and are involved in the production and circulation of cerebrospinal fluid....

February 15, 2011 | Pluripotent Stem Cells

From the February 2011 Issue of Stem Cells

Paper commentary by Stuart Atkinson

Recently, the Polycomb repressor complex PRC2 and its known constituents (notably Jarid2 and Pcl2 (or Mtf2)) have received an appraisal of their roles in the pluripotent nature and differentiation of embryonic stem cells (ESC) (Reviewed in Margueron and Reinberg). PRC2 is known to...

February 15, 2011 | Pluripotent Stem Cells

From the February 2011 Issue of Stem Cells

Paper commentary by Stuart Atkinson

The correct and efficient differentiation of pluripotent cell types to clinically relevant cell types is a major common goal in stem cell biology. Recent advances in induced pluripotent stem cell (iPSC) technologies have put the prize of patient-specific stem cells for autologous...

February 10, 2011 | Pluripotent Stem Cells

From Nature

A recent report in Nature (Lister et al.) has suggested that human induced pluripotent stem cells (iPSC), the great hope for personalised cellular therapy, are not as similar to embryonic stem cells (ESCs) as hoped, and that this may affect their use as a replacement for ESC in disease modelling and cellular therapy.

Centromeric and...

February 1, 2011 | Haematopoetic Stem Cells

New results from the laboratory of Camilla Forsberg at the Institute for the Biology of Stem Cells, University of Santa Cruz, California are beginning to unravel the mechanisms by which transplanted haematopoietic stem cells (HSCs) localise to the bone marrow niche. HSC transplants are a common treatment for various illnesses including certain blood cancers and their correct localisation is...

January 27, 2011 | Neural Stem Cells

It has been over ten years since the physiological link between nutritional input and growth and development in Drosophila was established, yet the mechanisms downstream of nutritional stimuli that act to regulate the growth of the organism were unknown. Results published recently in Cell from Chell and Brand at the Gurdon Institute and Department of Physiology, Development and...

January 25, 2011 | Haematopoetic Stem Cells

By Stuart P. Atkinson

UNAIDS (Joint United Nations Programme on HIV and AIDS) estimated that at the end of 2009 33.3 million people were living with HIV, and that in the same year there had been 1.8 million AIDS-related deaths and 2.6 million new infections (UN Millennium Goals report 2010). The benefits of anti-retroviral therapy (ART) have been demonstrated in some patients...

January 25, 2011 | Hair Follicle Stem Cells

While not being a life threatening condition, male pattern baldness affects (or will affect!) a great number of males and can also affect females too. A recent study in the Journal of Clinical Investigation by Garza et al., from the lab of George Cotsarelis at the University Of Pennsylvania School Of Medicine places the blame for this condition squarely at the feet of our stem cells...

January 25, 2011 | Society

Canadian stem cell pioneer Ernest Armstrong McCulloch has died at the age of 84. Born in Toronto on the 26th of April 1926 McCulloch, affectionately known as ‘Bun’, and his partner James Till were the first to demonstrate the existence of stem cells in the hematopoietic system in the 1960s. Their discovery revolutionized cell biology and cancer therapy and paved the way for the...

January 6, 2011 | Hair Follicle Stem Cells

By Stuart P. Atkinson

Many laboratories throughout the world are working with embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs) as sources of cells for replacement therapy in human disease. The necessity for patient specificity of these cells is generally a significant problem, which may be overcome in the case of iPSCs if they ultimately prove to be a...