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"Yet Another Useless Lifestyle Study"

Posted: September 18, 2011 at 4:00 pm


I am not unsympathetic to this viewpoint: recent research shows that "women should raise their glasses to a healthier old age, but we've heard it all before - and just the opposite. ... This is the conclusion of a study of 14,000 female nurses that started in 1976. The brainchild of the Harvard School of Public Health, Boston is the latest result from numerous studies of this nature that have produced all manner of contradictory results. ... In 1976, the [Framington study] is supposed to have shown a connection between menopause and the increased risk of heart disease, which is a bit like saying it found a connection between age and life expectancy - exactly what is one supposed to do with a datum like that? ... At the end of the day, one must ask what is the point of such studies, and specifically what is the point of a study that attempts to link the consumption of wine by women with longevity, especially when Marie Lloyd was telling us a little of what you fancy does you good way back in 1915? Rather than mounting expensive years' or decades' long studies as make-work schemes for medical scientists and their chums in Whitehall, Washington and elsewhere, the governments of the world might be better advised setting them to work to discover the actual causes of disease, and maybe to develop vaccines and other methods of combatting them, or better still, maybe they should follow in the footsteps of gerontologist Aubrey de Grey and his SENS organisation?"

Link: http://www.digitaljournal.com/article/311235

Source:
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Is the Study of Accelerated Aging Conditions Relevant?

Posted: at 4:00 pm


There are several rare conditions that present the appearance of accelerated aging, the changes they cause extending far enough down into the fundamentals of human biochemistry that there yet remains much to learn about their operation and some debate over whether they are in fact forms of greatly accelerated aging. The best known of these conditions are Hutchinson-Gilford Progeria (HGPS, or just progeria) and Werner syndrome; significant progress has been made in identifying their root causes over the past decade, but that is still a way removed from knowing whether there is any great relevance there insofar as concerns research into ordinary aging.

A recent open access paper takes a look at the question, though the bottom line at this time is that more time and greater understanding is needed:

Hutchinson-Gilford Progeria (HGPS) and Werner syndromes are diseases that clinically resemble some aspects of accelerated aging. HGPS is caused by mutations in the LMNA gene resulting in post-translational processing defects that trigger Progeria in children. Werner syndrome, arising from mutations in the WRN helicase gene, causes premature aging in young adults. What are the molecular mechanism(s) underlying these disorders and what aspects of the diseases resemble physiological human aging?

...

In both diseases recent evidence indicates that mutations in the genes responsible for these premature aging diseases result in increased DNA damage, particularly at telomeres. Although shortening and/or damage to telomeres is associated with proliferative arrest of cells in vitro, it remains unclear how accurately these diseases recapitulate the processes of tissue aging in humans. Here we discuss recent advances, using in vitro cell culture and mouse models of progeroid syndromes to highlight important questions that remain: A) what is the molecular mechanism of how such seemingly unrelated proteins cause similar degenerative diseases? B) are these mechanisms representative of normal aging?

Like a fair amount of nonetheless interesting research, work aimed at understanding accelerated aging conditions - and mining that knowledge for material that may prove useful in the development of ways to intervene in ordinary aging - is something of a sideshow. The trouble with science in general is that you have to spend time on the sideshows in order to confirm that they are in fact sideshows; every presently major field of endeavor in the life sciences started off small, unpromising, and prospective. I don't think the odds are good that something spectacular will result from investigations of progeria: you can't completely rule it out at this stage, but there are other places to concentrate resources that have a much higher expectation of value.

Source:
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Bullish on the Future of Therapies Based on Induced Pluripotent Stem Cells

Posted: at 4:00 pm


Some enthusiasm from the research community: "induced pluripotent stem (IPS) cells [are] where I'm putting almost all of my chips these days, because it combines many of my interests - genomics, sequencing, epigenetics, synthetic biology, stem cells. I don't think people have fully appreciated how quickly adult stem cells and sequencing and synthetic biology have progressed. They have progressed by orders of magnitude since we got IPS. Before that, they basically weren't working. ... There is much to be worked out. But here's the leap. If you want to accelerate this, you have to pick an intermediate target that doesn't sound so scary. So you'll start out with bone marrow patients. And you're going to basically make a synthetic version of that patient's bone marrow using IPS, which is going to work much better than the diseased bone marrow. And once this works that's going to catch on like wildfire. And then you'll do skin, and then you'll do every other stem cell you can get. ... Will people who are, say, aging but not yet sick ever be able to use this technology? I don't consider this medicine, it's preventive. I expect somebody who is truly brave, who has nothing wrong with them other than maybe the usual aging, saying: 'I want a bone marrow transplant', or intestinal, or whatever. And it will gain momentum from there. ... Initially it will be wealthy people who will try this. Ironically, wealthy people are often willing to be the guinea pigs that are really in a sense the front line of new technologies. They're the foot soldiers. They're willing to put themselves at risk, and to spend money on it."

Link: http://www.technologyreview.com/blog/experimentalman/27164/

Source:
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Training the Immune System to Destroy Cancer

Posted: at 3:59 pm


The New York Times is running a piece on a recent small trial of immune therapy for leukemia: "A year ago, when chemotherapy stopped working against his leukemia, William Ludwig signed up to be the first patient treated in a bold experiment at the University of Pennsylvania. Mr. Ludwig, then 65, a retired corrections officer from Bridgeton, N.J., felt his life draining away and thought he had nothing to lose. Doctors removed a billion of his T-cells - a type of white blood cell that fights viruses and tumors - and gave them new genes that would program the cells to attack his cancer. Then the altered cells were dripped back into Mr. Ludwig's veins. At first, nothing happened. But after 10 days, hell broke loose in his hospital room. He began shaking with chills. His temperature shot up. His blood pressure shot down. He became so ill that doctors moved him into intensive care and warned that he might die. His family gathered at the hospital, fearing the worst. A few weeks later, the fevers were gone. And so was the leukemia. There was no trace of it anywhere - no leukemic cells in his blood or bone marrow, no more bulging lymph nodes on his CT scan. His doctors calculated that the treatment had killed off two pounds of cancer cells. A year later, Mr. Ludwig is still in complete remission. Before, there were days when he could barely get out of bed; now, he plays golf and does yard work."

Link: http://www.nytimes.com/2011/09/13/health/13gene.html?pagewanted=all

Source:
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SENS5 Video: Gene Therapy for Mitochondrial Repair

Posted: at 3:59 pm


We age in part because a small number of important genes in our mitochondria are broken over time by the polluting effects of their day to day operation: broken genes mean the protein machines produced from their blueprints are also broken, or cannot be produced at all. Mitochondria are bacteria adapted to act as the power plants for our cells, swarms of them circulating inside every cell - and perversely the broken ones tend to win out in the ongoing, dynamic process of replication, damage control, and recycling of cellular machinery that takes place inside all of our cells. Cells can become overtaken by broken mitochondria, each herd of malfunctioning power plants spawned from one original chance breakage, and enough of these unfortunate cells produce a chain of unpleasant consequences throughout the body. Aging is damage, after all. This is a long story, and a better introduction than this can be found back in the archives, however.

SENS stands for the Strategies for Engineered Negligible Senescence, a detailed proposal for what must be done at the cellular and molecular level to reverse the damage of aging and thereby rejuvenate the old. SENS-related research is to vary degrees conducted in labs around the world, and where the research community isn't already large and hard at work - such as in the field of regenerative medicine - the SENS Foundation organizes and encourages research programs. One of the earliest SENS programs to move from concept to actual research, starting back when the initiative was conducted by the Methuselah Foundation, is MitoSENS: a way to use biotechnology to prevent mitochondrial damage from contributing to degenerative aging.

Mitochondrial genes are distinct from those in the nucleus of a cell, and as such are vulnerable. The available repair mechanisms are not as good as those in the nucleus, and the genes in each mitochondrion are right next door to power plant machinery that sustains the cell but also kicks out damaging reactive molecules. The MitoSENS strategy is twofold: (a) gene therapy to copy the few important mitochondrial genes into the cell nucleus, known as allotopic expression, and (b) one of a range of clever biotechnological strategies to get the protein machinery produced from those gene blueprints from the nucleus back out to the mitochondria where it is needed. You might look at the work of Corral-Debrinsky's group to see this in action in a real research program: when you have nuclear copies of mitochondrial genes, it doesn't matter if the more vulnerable mitochondrial versions suffer mishaps, everything continues as before.

A further good introduction to this topic and the work of the SENS Foundation is spurring this research can be found in video recorded at the recent SENS5 conference. Conference videos are being posted to the SENS Foundation YouTube channel as they are processed, and here is an educational presentation on the state of allotopic expression of mitochondrial genes:

Source:
http://www.longevitymeme.org/newsletter/latest_rss_feed.cfm

An Interesting Result From Sir2

Posted: at 3:59 pm


Sir2 in yeast is one of the earliest discovered sirtuins, an important set of genes in the study of calorie restriction. Unfortunately that research has yet to generate a useful calorie restriction mimetic drug, and is looking less promising than it did initially. But here is an interesting result: "Activation of Sir2-orthologs is proposed to increase lifespan downstream of dietary restriction (DR). Here we describe an examination of the effect of 32 different lifespan-extending mutations and four methods of dietary restriction on replicative lifespan (RLS) in the short-lived sir2? yeast strain. In every case, deletion of SIR2 prevented RLS extension; however, RLS extension was restored when both SIR2 and FOB1 were deleted in several cases, demonstrating that SIR2 is not directly required for RLS extension. These findings indicate that suppression of the sir2? lifespan defect is a rare phenotype among longevity interventions and suggest that sir2? cells senesce rapidly by a mechanism distinct from that of wild-type cells. They also demonstrate that failure to observe life span extension in a short-lived background, such as cells or animals lacking sirtuins, should be interpreted with caution." Things are, as ever, more complex than we'd like in other words. One of the reasons that sirtuins haven't led directly to calorie restriction mimetics is that they are only one small part in a larger mechanism, and possibly not even a critical part - just the one that was easiest to notice.

Link: http://www.ncbi.nlm.nih.gov/pubmed/21902802

Source:
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Towards Printed Artificial Blood Vessels

Posted: at 3:59 pm


Via ScienceDaily: researchers "are applying new techniques and materials to come up with artificial blood vessels [that] will be able to supply necessary nutrients to artificial tissue and maybe even complex organs in the future. ... It seemed practically impossible to build structures such as capillary vessels that are so small and complex, especially the branches and spaces in between. But production engineering came to the rescue because rapid prototyping makes it possible to build workpieces specifically according to any complex 3-D model. Now, scientists [are] working on transferring this technology to the generation of tiny biomaterial structures by combining two different techniques: the 3-D printing technology established in rapid prototyping and multiphoton polymerization developed in polymer science ... A 3-D inkjet printer can generate 3-dimensional solids from a wide variety of materials very quickly. It applies the material in layers of defined shape and these layers are chemically bonded by UV radiation. This already creates microstructures, but 3-D printing technology is still too imprecise for the fine structures of capillary vessels. This is why these researchers combine this technology with two-photon polymerization. Brief but intensive laser impulses impact the material and stimulate the molecules in a very small focus point so that crosslinking of the molecules occurs. The material becomes an elastic solid, due to the properties of the precursor molecules that have been adjusted by the chemists in the project team. In this way highly precise, elastic structures are built according to a 3-dimensional building plan."

Link: http://www.sciencedaily.com/releases/2011/09/110913122056.htm

Source:
http://www.longevitymeme.org/newsletter/latest_rss_feed.cfm

Of Rats, Pigeons, and Cell Membranes

Posted: at 3:59 pm


It is possible that important future biotechnologies to enhance human longevity might be built on top of a better understanding of the mechanisms that cause similarly sized species to have quite radically different life spans. It seems just as plausible as the idea of generating a family of age-slowing biotechnologies from a better understanding of human metabolism, though who is to say at this early stage in the game just how effective any final result might be. Still, research groups are successfully raising funds, sequencing genomes, and delving much deeper into the comparative biology of aging than has been the case in the past. For example:

The Long Life of Birds: The Rat-Pigeon Comparison Revisited

As a group, birds are long-living with their maximum lifespan potential (MLSP) being on average twice that of similar-sized mammals, and it can be much greater for some individual comparisons. The most common mammal-bird comparison in the scientific literature is the rat-pigeon comparison. The rat has a MLSP of 5 y, compared to 35 y for the similar-sized pigeon (both from the AnAge database: genomics.senescence.info). This seven-fold MLSP difference has the potential to give considerable insight into the processes that determine longevity. Importantly, this is many times the longevity difference generally achieved either by genetic manipulation or environmental manipulation (such as dietary restriction).

...

We have revisited the rat-pigeon comparison in the most comprehensive manner to date. We have measured superoxide production (by heart, skeletal muscle and liver mitochondria), five different antioxidants in plasma, three tissues and mitochondria, membrane fatty acid composition (in seven tissues and three mitochondria), and biomarkers of oxidative damage. The only substantial and consistent difference that we have observed between rats and pigeons is their membrane fatty acid composition, with rats having membranes that are more susceptible to damage.

That's a pretty good piece of supporting evidence for the membrane pacemaker hypothesis of aging: longer lived species are longer lived because their cellular membranes are more resistant to damage. This ties in nicely to the role of mitochondria and mitochondrial damage in aging: swarming mitochondria in cells churn out damaging free radicals as a consequence of their day to day operations, and as a consequence damage themselves in ways that spiral out to cause all sorts of harm in the long term. If a species is more resistant to that damage in the places where it matters the most, then it lives longer.

As I have said before, I tend to view this as support for the importance of mitochondrial repair research. If resistant mitochondria give pigeons even a fair chunk of that multiplier of seven over rat life spans, then how much further could the research community take things if armed with a way to completely fix the self-inflicted mitochondrial damage rather than just resist it?

Source:
http://www.longevitymeme.org/newsletter/latest_rss_feed.cfm

Fear of Dying During Heart Attack May Make Matters Worse

Posted: at 3:59 pm


(HealthDay News) -- People who become very afraid of dying in the moments during and days after a heart attack also seem to have more inflammation, an indicator that they may, in the long run, do worse than patients who are less fearful, a small British study suggests.

The finding, published online June 1 in the European Heart Journal, "reminds us of the connection between the mind and the body," said Dr. Suzanne Steinbaum, a preventive cardiologist with Lenox Hill Hospital in New York City.

"This trial shows us that when patients are so fearful, there's an increase in inflammation and decrease in heartbeat variability, which could lead to poor outcomes. So we must address not only the body issues but the mind issues as well," she said.

Added Dr. Robert Gramling, associate professor of family medicine at the University of Rochester Medical Center in New York: "This and the vast literature related to emotions and mind/body interactions are confirmatory that understanding people's emotional response does interplay with the biologic mechanisms. Read more...

Cardiofy Heart Care Supplement

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Commercial-stage Cell Therapy Companies and Products

Posted: at 3:59 pm


Below is sample list of companies with cell therapy products* on the market in Europe, USA, or Japan.

Company                                                    Product              
Advanced BioHealing (now part of Shire)       Dermagraft
Aliktra                                                       MySkin
Avita Medical                                             ReCell® Spray-On Skin
Bio-Tissue                                                 Prokera
Bio-Tissue                                                 AmioGraft
BioTissue Technologies                              BioSeed-C
BioTissue Technologies                              chondrotissue
Cytori                                                        Celution System
euroderm                                                   Epidex
euroderm                                                   EpiGraft
Fidia Farmaceuitici                                     Hyalograft 3D
Fidia Farmaceuitici                                     Laserskin
Fidia Farmaceuitici                                     Hyalograft C
J-TEC Epidermis                                       Japan Tissue Engineering Co.
J-TEC Cartilage                                         Japan Tissue Engineering Co.
J-TEC Corneal Epithelium                          Japan Tissue Engineering Co.
Nuvasive                                                    Osteocel Plus
Provenge                                                    Dendreon
Sanofi (previously Genzyme)                       Epicel
Sanofi (previously Genzyme)                       Carticel
TiGenix                                                      ChrondroCelect
Therakos                                                    Therakos Photopheresis

* This list does not purport to be exhaustive of all cell therapy products legally sold in these regions.  This list  does not include approved products in other highly-regulated jurisdictions, such as Australia, New Zealand, or Korea, for example.  This list also excludes those cell-based treatments provided as a hospital or clinic-based service such as stem cell transplantation (hospital) or Regenexx (Regeneration Sciences, Inc.).

For the purposes of this list, “cell therapy” is defined loosely as any product which has in it live cells when administered to the patient including tissue transplants and devices.

Note that some of these products may be subject to emerging regulatory restrictions under the EMA ATMP regulations which may result in them having to be pulled from the market by the end 2012 at the latest.

If you would like to suggest any revisions or additions to this list, please do so in the comment section below.

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Potential far-reaching implications of the ongoing fight over point-of-care autologous cell therapy

Posted: at 3:59 pm


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The FDA recently issued an untitled letter to Parcell Laboratories and its contract manufacturing organization, New England Cryogenic Center (NECC), pertaining to the product PureGen™ Osteoprogenitor Cell Allograft intended for the "repair, replacement, reconstruction of musculoskeletal defects". The letter stated:

"The PureGen™ Osteoprogenitor Cell Allograft is not the subject of an approved biologics license application (BLA) nor is there an IND in effect. Based on this information, we have determined that your actions have violated the Act and the PHS Act."

This would appear to be an indicator that the FDA does not intend to relax enforcement of its view of how autologous cell therapies are to be regulated despite its ongoing litigation on this very subject with RSI.

As followers of this blog know, since the battle's inception in 2008 I have followed the case of Regenerative Sciences, Inc and their war with the FDA over their right to provide certain autologous cell therapy treatments to patients in certain circumstances without FDA approval. My first blog entry on the topic was in September 2008 in which I pointed out that the FDA had written a letter to RSI that July taking issue with some of their practices.

My next blog on the subject was February 2009 in which I concluded "I think the FDA is building its case and a showdown is on its way to Denver-town."

At the advice of legal counsel, I pointed out in a March 2010 blog entry that my reference to FDA's July 2008 letter to RSI was not officially a "warning letter" as that is defined and as I had referred to it but rather an "untitled letter". I also commented that FDA's lack of enforcement action against RSI to-date was emboldening medical practitioners into thinking FDA was reconsidering their position on the legality of providing autologous, expanded cells to patients outside of an FDA-cleared IND or BLA.

I took some satisfaction in announcing on my blog in August 2010 that the FDA had finally taken action against RSI. My satisfaction was not rooted in a belief that the FDA is right (I've always been agnostic as to which side is right) but in the sense that things had occurred as I had predicted they would.

The action the FDA chose to take against RSI was to seek an injunction against RSI from continuing to provide the "offending" treatment - a version of the Regenexx™ procedure using mesenchymal stem cells (“MSCs”) grown outside the body after harvest for the later infusion back into the donor-patient for the treatment of various orthopedic conditions - which the FDA alleges is a "product" falling under its regulatory authority but for which RSI has never received any FDA clearance to provide to patients.

RSI counterclaimed against the United States, challenging the FDA’s authority to regulate the Regenexx™ Procedure in question and challenging certain FDA regulations. The United States moved to dismiss Defendants’counterclaims and for summary judgment.

I have continued to follow the case relatively closely through a number of source (see this sample media coverage in OthosSpineNews) as it continued to progress. Last month, for example, a blog I follow posted an eloquent case in support of RSI's position with the help of Mary Ann Chirba, J.D., D.Sc., M.P.H. of Boston College Law School.

So it was with much interest that I was recently notified of an order issued by the court which appears to have the potential to take the case in a very unexpected direction with enormous potential ramifications.

The context is that the judge was reviewing the FDA's motion for summary judgment, RSI's response, and FDA's reply when the judge issued this order to show cause.

At its essence the Judge has ordered the FDA to file a brief no later than 26 September showing the court why the term “chemical action” applies to stem cells. It is is a short Order the core of which reads as follows:

The Government finds its definition for a “drug” in the FDCA: “The term ‘drug’means . . . articles intended for use in the diagnosis, cure, mitigation, treatment, or prevention of disease in man or other animals” and “articles (other than food) intended to affect the structure or any function of the body of man or other animals.” 21 U.S.C. § 321(g)(1)(B)&(C).

This definition, at least as to subsection (C), would be broad enough to encompass a boot on a patient’s ankle to hold it secure after ankle surgery. The Court doubts that was Congress’s intent.

Neither party references the definition for “device,” found in the statute at 21 U.S.C. § 321(h). A “device,” is a certain kind of “article” used in diagnosis, cure, mitigation, treatment or prevention of disease, 21 U.S.C. § 321(h)(2), but which, presumably unlike a drug, “does not achieve its primary intended purposes through chemical action within or on the body of man or other animals and which is not dependent upon being metabolized for the achievement of its primary intended purposes.” 21 U.S.C. § 321(h).

These contrasting definitions immediately raise the question of why the Court should not interpret the meaning of the word “drug” to include not only an article for use in diagnosis, etc., and intended to affect the structure or function of a patient, but also an article that “achieve[s] its primary intended purposes through chemical action” and which is “dependent upon being metabolized for the achievement of its primary intended purposes.” Id.

The United States is ORDERED TO SHOW CAUSE why the Court should not read the definition of “device” at 21 U.S.C. § 321(h) as informing and restricting the definition of “drug” at 21 U.S.C. § 321(g)(1)(B)&(C).

It will be most curious to see how the FDA argues out of the corner that many believe the Judge has painted the agency. The FDA recently defined “chemical action” in its draft "Guidance for Industry and FDA Staff: Interpretation of the Term “Chemical Action” in the Definition of Device under Section 201(h)of the Federal Food, Drug, and Cosmetic Act". What is curiously absent from the document is any mention of cells or HCT/P’s despite CBER’s approval stamp on the document.

Another line of argument centers around whether cells - notably 'stem' cells - are “metabolized" as that term is defind.

If one extrapolates the ramifications of where the court appears to be currently leaning, the implications of this judgment may have far-reaching implications for biologics in general well beyond cell therapy and certainly well beyond autologous cell therapy.

As some quite logically argue, one potential scenario is that this judge rules all biologics fail to fall within the legislative "drug" definition. The argument goes like this. The drug regulations live under title 21, which has narrow definitions for what constitutes a drug. The FDA’s authority over biologics comes from title 42, which is merely to control communicable disease transmission in transplants, with no authority to take the drug provisions from title 21 and apply them to title 42. So the agency is risking a loss of control over all biologics.

What’s curious here - and perhaps somewhat ironic for RSI at this stage - is that they only ever set out to challenge their ability to regulate autologous cells used by a physician as part of his or her medical practice yet now the FDA's authority to govern all biologics is currently under question.

The fact that I cannot fathom the courts striking FDA's jurisdiction over all biologics when the dust settles on this case does not make the arguments any less compelling and it does leave open the possibility that a lower court Judge such as the one presiding over this case may be inclined to make a ruling which essentially ensures the issues are punted to the appellate courts for a more considered ruling. In such circumstances, even if the FDA were to prevail at the end of the day (perhaps a decade down road) the uncertainty such a ruling would rain down on the sector would be commercially stifling - even if if were just limited to autologous cell therapy let alone if were any broader.

My dated and unpolished law degree can only take this analysis so far and anyone interested in some further but delightfully light and practical reading on the potential ramifications of the case could do no better than read a paper published recently by the relevant practice groups at the law firm K&L Gates entitled "Cultured Stem Cells for Autologous Use:Practice of Medicine or FDA Regulated Drug and Biological Product in which they review the case and its potential implications - the latter of which the authors are not guilty of underestimating in the following concluding sentence of their analysis:

The court’s decision will, to a large degree, dictate the types of legal strategies and business models that will be necessary to successfully perform stem cell procedures in the future.

_____________

post-script: The potential stink of commercial uncertainty wafting from this case is even more egregious when combined with the uncertainty around what to expect from the FDA in its much-anticipated and typically overdue guidance on adipose-derived cell therapies.

Rumor has it that the FDA is leaning toward considering most (if not all) means of deriving cell populations from adipose tissue (typically lipoaspirate) to be governed as what we colloquially refer to as a '351' thus taking it out of the purview of the practicing physician and into the hands of companies prepared to follow the traditional "drug development' model for new medicines. The rationale here is that the mechanical and/or enzymatic digestion required to separate the desired cell populations from the stroma take the process beyond "minimal manipulation'.

Watch for this guidance from CBER OCTGT in the weeks to come and/or any relevant rulings by the Tissue Reference Group. This would be a serious blow to those building business models around point-of-care, autologous adipose-derived cell therapy treatments.

What makes this even more interesting is the pace of which US-based medical practitioners (and/or companies supporting them) are adopting and selling autologous cell-based products, services and/or treatments for sundry indications in ways which many would argue are apparently in obvious and flagrant disregard for the FDA's regulatory authority over such treatments. Included for consideration on such a list would be the following:

IntelliCell Biosceinces

eternaMD

Arizona Stem Cell Center

.

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Cancer Stem Cell Chronicle

Posted: at 3:59 pm


About 3 months ago, as an experiment, I launched the Cancer Stem Cell Chronicle, an online daily newspaper that's based on excerpts from 3 streams of content: 1) Twitter content tagged #cancerSC, 2) Twitter content that includes the keywords "cancer stem", and, 3) content derived from a PubMed RSS feed for the search term "cancer stem".

The experiment looks promising. The CSC Chronicle is beginning to provide a convenient way to monitor recent research news about cancer stem cells. Archives are available. The section headings in the CSC Chronicle aren't very meaningful, and should be ignored.

The CSC Chronicle is hosted by Paper.li.

Source:
http://cancerstemcellnews.blogspot.com/feeds/posts/default?alt=rss

Shape Ups Fitness Shoes (Diet

Posted: September 17, 2011 at 7:10 am


The Skechers' Shape Ups simulate walking on sand, which the company claims will give you stronger leg, butt, back and abdominal muscles. Watch this video to find out if they live up to their claims. See More: diet-fitness.healthguru.com

Here is the original post:
Shape Ups Fitness Shoes (Diet

"Care about Your Care" Initiative Urges Patients to Care More about Health Care

Posted: at 7:10 am


Find more on our health page: http://www.pbs.org Throughout the month of September, the Robert Wood Johnson Foundation is urging Americans to re-take control of their health care. Dr

Read the rest here:
"Care about Your Care" Initiative Urges Patients to Care More about Health Care

Western vs Alternative Medicine and Holistic Healing

Posted: September 16, 2011 at 12:32 pm


http://www.enjoyabetterworld.com Part 1 of The Human Energy Field discusses the similarities between the most modern western scientific theory and ancient views of the human energy field.

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Western vs Alternative Medicine and Holistic Healing

Back Workout @ LA Fitness Santa Monica California

Posted: September 15, 2011 at 10:20 pm


http://www.21DayFastMassBuilding.com This is a back workout that I did with one of my online followers, Lorenzo Serra. He is doing the Hardcore Bodybuilder Workout of the 21-Day Fast Mass Building Program and I jumped in and trained with him today!

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Back Workout @ LA Fitness Santa Monica California

Holistic Veterinary Medicine…Helpful Treatment or Terrible Hoax?

Posted: at 10:20 pm


Update on Missouri Prop B ("Puppy Mill Act") vote, examining alternative or complementary veterinary medicine with host, veterinarian and Veterinary News Network Reporter, Dr. Roger Welton.

Continue reading here:
Holistic Veterinary Medicine...Helpful Treatment or Terrible Hoax?

Longevity 1

Posted: at 9:14 am


Some people live longer. Why?

Originally posted here:
Longevity 1

The Health Show: TB officer

Posted: September 14, 2011 at 12:25 am


Riders for Health's groundbreaking work in Lesotho featured in a BBC World TV series focusing on issues and success stories around global health. In this film, tuberculosis officer Tukula Mothonyana tracks down patients who have defaulted on their treatment using his Riders' managed motorycycle. He encourages them to complete the full course of treatment for this extremely contagious disease.

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The Health Show: TB officer

Nature is Psychedelic, Mullein Leaf

Posted: September 13, 2011 at 10:01 am


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Nature is Psychedelic, Mullein Leaf

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