Stem cell video collection

Here's a video featuring Scotland's Dr. Colin McGuckin, who has been doing research on cord blood stem cells. Dr. McGuckin has worked with the University of Texas Medical Branch at Galveston and NASA to produce embryonic-like stem cells from umbilical cord blood cells. His lab has gone on to stimulate those embryonic-like stem cells - that no one had to die for - into functional liver cells, masses of liver cells and pancreatic cells that produce insulin and the other hormones vital to the regulation of diabetes.

The video is part of a collection on YouTube, by "Stem cells that work." Visit the YouTube page with great collection of videos about stem cells, including the excellent 50 minute "Google" video, "Everything you wanted to know about stem cells."

Wash this reactionary's mouth out with soap!

Bioethics.net compares the Bush administration's happiness about reprogrammed adult stem cells with that man, Mr. Clinton's, "I did not have sex with that woman!" and President Bush's statement "Mission accomplished," after our US troops captured Baghdad.

I'll accept the latter (at some future date, if the evidence supports it), but the first is at least as false as Clinton's wagging finger - and (speaking of Yuk factors) did we really need to be reminded of that?

The author, James W. Fossett (who is anything but "non-partisan") states that Yamanaka, the first to report reprogrammed adult cells in humans and mice is from Japan and wasn't affected by the US Federal funding limitations. He doesn't mention that Yamanaka's research didn't rely on the use of new embryonic cells, at all. Yamanaka took the information gleaned from animal research and the currently funded cells and moved to the front of all other stem cell researchers by pointing the way to the key to the production of stem cells from each patient who needs them - from his or her own cells.

Instead, Fossett is running scared due to the "rhetorical parity" from cell reprogramming and the possibility that the success in reprogramming cells will result in more reprogramming research!

Fossett doesn't mention that James Thomson's research using human Embryonic Stem cells (hESC). then human fetal cells harvested after abortions - and finally in skin cells harvested at circumcision of little boys - was funded by the National Institutes of Health, and that those hESC are the ones that supposedly are of no use.

Fossett also fails to mention of the new report by Yamanaka on the technique using only 3 inserted genes to the prior 4, and that the eliminated gene is the one that had scientists concerned about cancers.

I'm sure that he doesn't recall the "first transplantable lung cells" from hESC's by Texas researchers last year. These cells were developed by viral "transfection," also, and were lauded as "a platform that could potentially be useful in the development of spinal cord cells, heart cells, nerve cells and others.” These were neither the first or transplantable, but they did get much more notice than similar cells developed from umbilical cord blood cells without viral transfection.

That may be the problem: the proponents of hESC research are used to getting many times the publicity from hESC research than that received by the non-hESC researchers. And so, we get the concerns about "rhetoric."

There's those deceitful knee jerk reactionaries practicing their projection, again.

More Questions on Embryonic Stem Cells

Lydia asked about my comments on embryonic-like cells derived from umbilical cord blood.

Umbilical cord blood itself appears to be at least multipotent. However, Texan and British researchers worked with NASA to produce "embryonic-like" stem cells by manipulating them with filters and a special centrifuge. Here's my post from August, 2005 on those cells.

And here's the press release from McGuckin's university in the UK.

And here's the abstract from the Journal, Cell Proliferation,

"Production of stem cells with embryonic characteristics from human umbilical cord blood"

C. P. McGuckin, N. Forraz, M.-O. Baradez, S. Navran, Synthecon Corporation, Houston, and J. Zhao, R. Urban, Tilton, L. Denner

When will embryonic stem cells reach the clinic? The answer is simple – not soon! To produce large quantities of homogeneous tissue for transplantation, without feeder layers, and with the appropriate recipient's immunological phenotype, is a significant scientific hindrance, although adult stem (ADS) cells provide an alternative, more ethically acceptable, source. The annual global 100 million human birth rate proposes umbilical cord blood (UCB) as the largest untouched stem cell source, with advantages of naive immune status and relatively unshortened telomere length. Here, we report the world's first reproducible production of cells expressing embryonic stem cell markers, – cord-blood-derived embryonic-like stem cells (CBEs). UCB, after elective birth by Caesarean section, has been separated by sequential immunomagnetic removal of nucleate granulocytes, erythrocytes and haemopoietic myeloid/lymphoid progenitors. After 7 days of high density culture in microflasks, (105 cells/ml, IMDM, FCS 10%, thrombopoietin 10 ng/ml, flt3-ligand 50 ng/ml, c-kit ligand 20 ng/ml). CBE colonies formed adherent to the substrata; these were maintained for 6 weeks, then were subcultured and continued for a minimum 13 weeks. CBEs were positive for TRA-1-60, TRA-1-81, SSEA-4, SSEA-3 and Oct-4, but not SSEA-1, indicative of restriction in the human stem cell compartment. The CBEs were also microgravity–bioreactor cultured with hepatocyte growth medium (IMDM, FCS 10%, HGF 20 ng/ml, bFGF 10 ng/ml, EGF 10 ng/ml, c-kit ligand 10 ng/ml). After 4 weeks the cells were found to express characteristic hepatic markers, cytokeratin-18, α-foetoprotein and albumin. Thus, such CBEs are a viable human alternative from embryonic stem cells for stem cell research, without ethical constraint and with potential for clinical applications.

These cells were later used to produce functional liver tissue and alveolar lung cells.

There have also been bone marrow cells that share the characteristic markers of embryonic stem cells. (Reported here.)

Cutting Edge Juvenile Diabetes Adult Stem Cell Research

Interrupting our discussion on State force and conscience, but this news is just too cool to postpone:

Regenetech, the company that has the license agreement with NASA for the "Intrafuge" that processes cord blood cells and bone marrow cells for the production of embryonic-like and select stem cell treatments, has announced a two year agreement for research with Johns Hopkins, on Type 1, insulin-dependent or Juvenile Diabetes:

Regenetech®, Inc. announces that it has signed a Sponsored Research Agreement (SRA) with Johns Hopkins University in order to work toward a treatment for type 1 diabetes. This is in addition to the research agreements which the Company currently has in place with Texas A&M University and the University of Texas Medical Branch at Galveston. Regenetech is pioneering the development and commercialization of technology which the company believes will enable regenerative therapy with adult stem cells for widespread use.

Regenetech’s agreement with Johns Hopkins University will span over two years, and involves significant funding from the Company. The goal of the research project is to develop a treatment for type 1 diabetes using a patient’s own adult stem cells expanded in Regenetech’s IntrifugeTM Bioreactor. Dr. Mehboob Hussain, Assistant Professor of Pediatrics and Medicine at Johns Hopkins University, has considerable experience in the treatment of diabetes with stem cells, and is overseeing the research which will use Regenetech’s technology.

University of Texas Medical Branch at Galveston (UTMB) supplies blood and cord blood stem cells to Regenetech’s laboratories and uses them for their own research purposes as well. In addition, the Company has signed a sub-license agreement with UTMB to use Regenetech’s NASA licensed IntrifugeTM Bioreactor system to expand the stem cells found in the blood. The ultimate goal is to provide low cost, safe doses of adult stem cells for a broad range of diseases and known therapies. The principal investigator from UTMB is Professor Larry A. Denner, who has significant expertise in the identification, expansion and differentiation of primitive cord blood stem cells for pre-clinical studies.

Regenetech also has a SRA with Texas A&M University for the treatment of bone fractures in animals. The research is to demonstrate the clinical efficacy of NASA’s patented time-varying electromagnetic field (TVEMF) technology, which is exclusively licensed to Regenetech. This technology holds rapid healing potential for animals, such as high value race horses and pets, which offer highly significant markets for Regenetech. Once the veterinary treatment protocols have been finalized successfully, it is expected that they will lead the way to human clinical trials.

Regenetech also has a good stem cell "primer," as well as more information on their ongoing research and patents. They do make a case for embryonic stem cells, saying that adult stem cells haven't been found for all tissues and organs and that it might take too long in emergency situations to grow the needed tissues, but do not acknowledge that these limitations also exist for embryonic stem cells.

Oh well, no one's perfect.

Small Town Hospital Collects Cord Blood for Texas Public Banks

I was so happy to hear that my local hospital is now one of the hospitals that collects cord blood for the public banks.

The cells from cord blood are rich in adult stem cells that can be used to replace the bone marrow of children with blood disorders and for treatment of all sorts of diseases. How about that: a small hospital in a small town can join in adult stem cell therapy!

See my grand daughter's story, here.

Great news from the mom of a child with diabetes (cord blood)

There's a great comment today from the mom of a boy whose Type 1 or Juvenile Diabetes is being treated with cord blood:

Darla Lindenmayer said...

My son so far has been the oldest to participate in the cord blood trial. We are excited how well it is working. My son has gone from 5 shots a day to only one and that one is being weaned down. It also has cured him of his thyroid disease which he also was diagnosed with a few months after he was diagnosed with juvenile diabetes. We know the cord blood we collected is working somehow to change the molecular structure and increase his beta cell production. We hope and pray that this continues on. Dr. Haller is doing great research!!

Diabetes and thyroid disease tends to go together - more evidence for an autoimmune risk factor for Diabetes.

Thanks, Ms. Lindenmayer for giving us the update!