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First test of pluripotent stem cell therapy in monkeys is successful

Researchers have shown for the first time in an animal that is more closely related to humans that it is possible to make new bone from stem-cell-like induced pluripotent stem cells (iPSCs) made from an individual animal's own skin cells. The study in monkeys reported in the Cell Press journal Cell Reports on May 15th also shows that there is some risk that those iPSCs could seed tumors, but that unfortunate outcome appears to be less likely than studies in immune-compromised mice would suggest.

"We have been able to design an animal model for testing of pluripotent stem cell therapies using the rhesus macaque, a small monkey that is readily available and has been validated as being closely related physiologically to humans," said Cynthia Dunbar of the National Heart, Lung, and Blood Institute. "We have used this model to demonstrate that tumor formation of a type called a 'teratoma' from undifferentiated autologous iPSCs does occur; however, tumor formation is very slow and requires large numbers of iPSCs given under very hospitable conditions. We have also shown that new bone can be produced from autologous iPSCs, as a model for their possible clinical application."

Autologous refers to the fact that the iPSCs capable of producing any tissue typein this case bonewere derived from the very individual that later received them. That means that use of these cells in tissue repair would not require long-term or possibly toxic immune suppression drugs to prevent rejection.

The researchers first used a standard recipe to reprogram skin cells taken from rhesus macaques. They then coaxed those cells to form first pluripotent stem cells and then cells that have the potential to act more specifically as bone progenitors. Those progenitor cells were then seeded onto ceramic scaffolds that are already in use by reconstructive surgeons attempting to fill in or rebuild bone. And, it worked; the monkeys grew new bone.

Importantly, the researchers report that no teratoma structures developed in monkeys that had received the bone "stem cells." In other experiments, undifferentiated iPSCs did form teratomas in a dose-dependent manner.

The researchers say that therapies based on this approach could be particularly beneficial for people with large congenital bone defects or other traumatic injuries. Although bone replacement is an unlikely "first in human" use for stem cell therapies given that the condition it treats is not life threatening, the findings in a primate are an essential step on the path toward regenerative clinical medicine.

"A large animal preclinical model for the development of pluripotent or other high-risk/high-reward generative cell therapies is absolutely required to address issues of tissue integration or homing, risk of tumor formation, and immunogenicity," Dunbar said. "The testing of human-derived cells in vitro or in profoundly immunodeficient mice simply cannot model these crucial preclinical safety and efficiency issues."

The NIH team is now working with collaborators on differentiation of the macaque iPSCs into liver, heart, and white blood cells for eventual clinical trials in hepatitis C, heart failure, and chronic granulomatous disease, respectively.

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The above story is based on materials provided by Cell Press. Note: Materials may be edited for content and length.

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First test of pluripotent stem cell therapy in monkeys is successful

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UCLA plans $4.2-billion fundraising drive to mark 2019 centennial

UCLA has announced the public start of a $4.2-billion fundraising campaign the largest such effort of any state university in the country to increase student financial aid, bolster faculty hiring and research, and construct new campus buildings.

The campaign ties in with UCLA's centennial in 2019, marking 100 years since Angelenos battled the Berkeley-centric education establishment and finally got the Legislature to approve a southern branch of the University of California.

UCLA has already raised about $1.3 billion toward its target in a so-called quiet phase that began in 2011 and includes several large donations, according to campus officials. They said they are confident that the economic recovery and stock market's climb will help them reach their goal by 2019's end.

UCLA Chancellor Gene Block pointed to several recent rankings of research universities worldwide and noted that UCLA is often the only one in the top dozen that was founded in the 20th century; others go as far back as 1636 for Harvard and the 12th century for Oxford.

"This is an extremely young institution that has done extremely well. We want to do even better in the next century and we need resources to do that," said Block, who has been chancellor of the 42,190-student campus since 2007.

The Westwood school aims to surpass previous records for UC fundraising set last year by UC Berkeley, concluding a $3.13-billion drive, and by UCLA's last campaign, which ended in 2005 with $3.05 billion.

It would top the University of Michigan, which is seeking $4 billion in what had been the largest goal in public higher education. Experts say that public universities want to compensate for reductions in state support and to compete with private universities.

Private institutions are aiming even higher: Harvard announced last year that it would try to raise an unprecedented $6.5 billion by 2018 and beat the $6.2 billion that Stanford garnered in a campaign that ended in 2011. USC says it is halfway toward raising $6 billion by 2018.

National surveys show that donations to higher education are rising, particularly in large gifts, as donors shake off recession jitters that reduced giving in 2009.

Ann E. Kaplan, an official with the Council for Aid to Education, a group that studies such philanthropy, said UCLA has a good chance of success. "I don't believe they would embark on it if it wasn't a goal they can meet," she said.

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UCLA plans $4.2-billion fundraising drive to mark 2019 centennial

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B3 Selective Breeding and Genetic Engineering – Video


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Genetic Engineering Research Project – Video


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Gender Equations In FreeThought (Malayalam – FULL) By Rukshana Mahamood – Video


Gender Equations In FreeThought (Malayalam - FULL) By Rukshana Mahamood
A feminist student #39;s take on the gender roles and representation of genders across realms of thought. Rukshana Mahamood is an undergraduate student of Genetic Engineering in Chennai. Aspiring...

By: Kerala Freethinkers Forum Official

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1. Introduction – Gender Equations In FreeThought (Malayalam) By Rukshana Mahamood – Video


1. Introduction - Gender Equations In FreeThought (Malayalam) By Rukshana Mahamood
A feminist student #39;s take on the gender roles and representation of genders across realms of thought. Rukshana Mahamood is an undergraduate student of Genetic Engineering in Chennai. Aspiring...

By: Kerala Freethinkers Forum Official

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2. Dissecting Genders- by Religion, Society and Science (Malayalam) By Rukshana Mahamood – Video


2. Dissecting Genders- by Religion, Society and Science (Malayalam) By Rukshana Mahamood
A feminist student #39;s take on the gender roles and representation of genders across realms of thought. Rukshana Mahamood is an undergraduate student of Genetic Engineering in Chennai. Aspiring...

By: Kerala Freethinkers Forum Official

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Researchers model how migration of DNA molecules is affected by charge, salt species, and salt concentration

May 15, 2014 Credit: eugenesergeev / Fotolia.com

Only two mechanisms can move molecules in a fluid. They can follow a temperature gradient or an electrical potential. LMU physicists have modeled how migration of DNA molecules is affected by their charge, the salt species, and salt concentration present in the solution.

Thermophoresis is the migration of molecules in a temperature gradient, migration in an electrical field is termed electrophoresis. Each molecular species reacts to these forces in accordance with its physical characteristics, which determine the velocity and direction of its movement. Some congregate where it is warmer, others prefer the cold; some are drawn to the positive, others move toward the negative pole of a field gradient.

The research group led by Dieter Braun, Professor of Systems Biophysics at LMU and a member of the Nanosystems Initiative Munich (NIM), specializes in the investigation of the thermophoresis of biomolecules. Indeed, their work has given rise to a commercial spin-off, which has developed a rapid and economical analytical method for use in the pharmaceutical industry.

In their latest project, Braun and his colleagues have taken a closer look at how DNA molecules behave in temperature gradients set up within aqueous salt solutions, and constructed a theoretical model that allows them to account for this behavior from first principles. "We have combined several theories that have been proposed to describe why and how molecules move along a temperature gradient," explains Maren Reichl, who is first author on the new study. "Their electrical charge, the composition and concentrations of the salts in the solution, and the ambient temperature all play a role in how they move. We have measured the effects of these factors experimentally and compared them with our theoretical predictions."

Interplay of local and global fields

The experiments were carried out in a narrow glass capillary with a diameter of 50 micrometers, filled with a buffered salt solution containing specially designed DNA molecules. A temperature gradient is set up in the solution by heating it locally with a laser. Maren Reichl explains how the behavior of the DNA molecules is detected: "The DNA is labeled with a fluorescent dye, and we use a fluorescence microscope to follow how the DNA migrates away from the heated spot usually toward cooler regions. The level of fluorescence remaining in the heated spot tells us what fraction of the molecules migrates when we raise the temperature of the irradiated volume by 4 degrees, say. And we record the experiment on video, so we can also measure how fast the molecules move out."

The team found that two factors are primarily responsible for the movement of the molecules. The intrinsic negative charge on each DNA molecule is shielded locally by the positive ions (produced upon dissolution of the added salts) in its immediate vicinity. As a result, an electrical field is generated in the minuscule space between the charged DNA and the counterions surrounding it, which thus acts as a tiny capacitor. The second relevant factor is the global electric field that scales with the temperature gradient. This arises from the so-called Seebeck effect the tendency of ions in the solution to become concentrated in cooler or warmer regions of the liquid, with positive and negative ions moving in opposite directions. This charge separation generates a potential difference, which also influences the movement of the molecules by inducing electrophoresis.

Based on the interplay of local and global electric fields, one can precisely predict their overall effect on a given molecular species. For instance, DNA molecules tend migrate at slower rates in concentrated salt solutions, because the many free ions in the solution more effectively screen the charge on the DNA strands. DNA also moves more slowly in a sodium fluoride solution than in sodium chloride because the electric field associated with the former species more strongly retards the movement of the DNA molecules.

Professor Dieter Braun summarizes the wider significance of the work as follows: "We have, for the first time, convincingly demonstrated that the non-equilibrium phenomenon of thermophoresis can be predicted on the basis of local thermodynamic equilibria. In the next step, we plan to study how molecules compete for the coveted slots in the cold zone. And, of course, we will address the question of why uncharged molecules migrate at all."

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Researchers model how migration of DNA molecules is affected by charge, salt species, and salt concentration

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Genetic tracking identifies cancer stem cells in human patients

The gene mutations driving cancer have been tracked for the first time in patients back to a distinct set of cells at the root of cancer -- cancer stem cells.

The international research team, led by scientists at the University of Oxford and the Karolinska Institutet in Sweden, studied a group of patients with myelodysplastic syndromes -- a malignant blood condition which frequently develops into acute myeloid leukaemia.

The researchers say their findings, reported in the journal Cancer Cell, offer conclusive evidence for the existence of cancer stem cells.

The concept of cancer stem cells has been a compelling but controversial idea for many years. It suggests that at the root of any cancer there is a small subset of cancer cells that are solely responsible for driving the growth and evolution of a patient's cancer. These cancer stem cells replenish themselves and produce the other types of cancer cells, as normal stem cells produce other normal tissues.

The concept is important, because it suggests that only by developing treatments that get rid of the cancer stem cells will you be able to eradicate the cancer. Likewise, if you could selectively eliminate these cancer stem cells, the other remaining cancer cells would not be able to sustain the cancer.

'It's like having dandelions in your lawn. You can pull out as many as you want, but if you don't get the roots they'll come back,' explains first author Dr Petter Woll of the MRC Weatherall Institute for Molecular Medicine at the University of Oxford.

The researchers, led by Professor Sten Eirik W Jacobsen at the MRC Molecular Haematology Unit and the Weatherall Institute for Molecular Medicine at the University of Oxford, investigated malignant cells in the bone marrow of patients with myelodysplastic syndrome (MDS) and followed them over time.

Using genetic tools to establish in which cells cancer-driving mutations originated and then propagated into other cancer cells, they demonstrated that a distinct and rare subset of MDS cells showed all the hallmarks of cancer stem cells, and that no other malignant MDS cells were able to propagate the tumour.

The MDS stem cells were rare, sat at the top of a hierarchy of MDS cells, could sustain themselves, replenish the other MDS cells, and were the origin of all stable DNA changes and mutations that drove the progression of the disease.

'This is conclusive evidence for the existence of cancer stem cells in myelodysplastic syndromes,' says Dr Woll. 'We have identified a subset of cancer cells, shown that these rare cells are invariably the cells in which the cancer originates, and also are the only cancer-propagating cells in the patients. It is a vitally important step because it suggests that if you want to cure patients, you would need to target and remove these cells at the root of the cancer -- but that would be sufficient, that would do it.'

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SizeGenetics FAQ – Is the Shipping Discreet? – Video


SizeGenetics FAQ - Is the Shipping Discreet?
Get $50 off the SizeGenetics! - http://www.topenhancementreviews.com/Size-Genetics That links to the OFFICIAL Size Genetics website. Careful of SizeGenetics knock offs!! There are tons of...

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*NEW* SizeGenetics 2014 Unboxing and $50 Discount! – Video


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Pandemicraft S1E18 Advanced Genetics – Video


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Healing the Mind. Secret Stress causes Disease – Not Genetics – Video


Healing the Mind. Secret Stress causes Disease - Not Genetics
Mind-Body Health Expert, Dante Sears, shares valuable tips for improving your life and health. Program your mind to heal yourself into optimal health. Live. Laugh. Love. Prosper. http://www.DanteSears.com.

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Germline Gene Therapy – Video


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Gene Therapy (Using Biolistic gene gun for gene delivery) – Video


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Bone Marrow Stem Cells – Dr. Steenblock- Regenerative Medicine

Bone Marrow Stem Cells

Dr. Steenblock performing a bone marrow stem cell treatment

The latest discovery in the world of natural medical therapies is STEM CELLS!

You have within you a powerful set of tools to repair your body and keep you healthy. The future of medicine is NOT better drugs but better use and application of your bodys own stem cells. As of now stem cell-rich tissue can be extracted from your hip with virtually no discomfort and used to help restore your body. This opens up an exciting new horizon in terms of preventing and treating disease and tackling the symptoms of aging if not aging itself. Already, patients are returning to Dr. Steenblock for additional bone marrow treatments because they are seeing that their gray or white hair is turning back to its original color. Their skin not infrequently looks younger too and they report having more energy and less arthritic aches and pains!

Over the past six years, Dr. Steenblock and his medical team have done over 2,000 bone marrow procedures with much success. Contrary to the conventional painful methods used, he and his colleagues have developed an almost painless approach to extract bone marrow and the hidden trove of stem cells contained within. Using the patients own bone marrow rather than someone elses has totally eliminated the risk of graft versus host disease and the need for toxic chemotherapy to suppress the immune system. Since Dr. Steenblock is merely transferring stem cells from a persons bones into their blood stream there is never an allergic or rejection type of reaction since these are the patients own cells. The results have at times been phenomenal especially for those under 40 and for those who are really physically fit and walk or run a lot every day. The stronger an individuals bones are the better the bone marrow stem cells are. Even children that are paralyzed and who do not put weight on their legs are generally not going to have good results unless add another facet is added to their treatment. For those people who do not walk much, are not physically fit and who are older than 40, Dr. Steenblock generally recommends that they undergo five successive daily injections of a natural bone marrow mobilizer called Neupogen (Filgrastim) beginning 19 days before they come to his office for their bone marrow treatment(s). The ideal treatment for anyone with a complicated health issue is to first have certain tests done to determine if they have any problems that could interfere with the treatments success. These tests include standard blood tests for anemia, hormones, metabolism, infections, autoimmunity, inflammation and special tests for heavy metal poisons and intestinal infections and infestations. If problems are discovered with these tests then the underlying problem should be corrected before beginning the process of using the Neupogen and the scheduling of the bone marrow treatment(s). The word marrows is pleural intentionally because a person in general has a better result if more stem cells are given. By having two bone marrow procedures on successive days an individual will double the number of stem cells they receive. For example, if a 60 year old sedentary person comes in and does only one bone marrow treatment Dr. Steenblock will generally extract about 400 milliliters of stem cell-rich bone marrow (buffy coat after centrifugation) which is put directly back into the blood stream by intravenous means. The number of active, healthy stem cells in this simple procedure may only be 100 million and these in general will not be as healthy or as active as they will be if the patient first has any known or potential impediments to their post-infusion activity eliminated and they are given the 5 daily injections of Neupogen. When a person comes to the clinic 14 days after their last Neupogen injection, that same 400 ml of bone marrow will have somewhere between 500 and 1000 million stem cells and then if they repeat the process the next day they will get another 500-1000 million stem cells. By this combination of eradicating infections, correcting other problems discovered using our testing, and then using Neupogen followed by two bone marrow treatments patients will be receiving well over a billion stem cells.

Benefits of Bone Marrow Stem Cells

What is the secret behind the successes Dr. Steenblock has seen with the bone marrow treatments? While bone marrow transplants have been done for the past 50 years for cancer patients and those with blood disorders, the whole bone marrow procedure done by Dr. Steenblock is different because it is so SIMPLE! He uses a persons own bone marrow and instead of isolating one type of stem cell, he takes and uses the whole raw bone marrow which contains a rich variety of stem and progenitor cells. In fact, bone marrow is rich in two different types of stem cells: One type turns into blood cells, blood vessels, and cells of the immune system and are called hematopoietic stem cells (heme meaning blood-related). The other type of stem cell is the support (stromal or mesenchymal) stem cell that produces bone, fat, tendons, skin, muscles and connective tissue. Recent research shows that these hematopoietic and the support stem cells are also able to divide into all types of brain cells, including glial cells (white matter) and neurons (gray matter). The bone marrow also contains retinal progenitor cells and several patients have actually commented on how their vision improved as a side benefit of their bone marrow procedure. These two type of stem cells work better together in a ratio of one hematopoietic to 4 to 8 support (stromal or mesenchymal) stem cells which is the ratio found normally in most peoples bone marrow.

In regard to its anti-aging effects, the bone marrow contains primitive progenitor cells that are associated with the early development of the fetus. These primitive cells reside dormant deep inside each of our bones and sport a virginal profile from early development in that these stem cells are generally resting and not active. This inactivity protects them from chemicals or stresses that induce mutations such as occurs in those bone marrow stem cells that are located in the more superficial areas of the bone which are constantly making red and white blood cells. When these primitive, more pure cells are released into a persons system, there can be a revitalization of the body that physiologically sets the clock back in-a-way since these stem cells get into all parts of the body and produce more growth factors than would otherwise be possible. It is this increase in growth factors that induces the regenerative processes. For those that can afford it Dr. Steenblock uses growth factors oriented toward improving the organs that are diseased. For example, if a patients chief problem is their lungs then he may suggest some lung growth factors to be taken right along with the Neupogen and then continued for 6 weeks to help push the stem cells into becoming more like lung tissue cells.

Bottom line: Bone marrow stem cells have the potential to repair damaged tissues and organs. Whether a person wants an anti-aging treatment or needs the procedure to repair damage in joints, liver, kidneys, heart or brain, bone marrow transplants is an efficient and sure way to flood their body with stem cells.

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Bone Marrow Stem Cells - Dr. Steenblock- Regenerative Medicine

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Could Stem Cells Be Used To Treat Cartilage Damage?

CBS Pittsburgh (con't)

Affordable Care Act Updates: CBSPittsburgh.com/ACA

Health News & Information: CBSPittsburgh.com/Health

PITTSBURGH (KDKA) How about re-growing your own cartilage and tissue with your own stem cells?

More and more doctors are offering this to patients with damaged joints.

Bob Teagarden was used to running up to 40 miles a week, but he was in pain.

I had a tightness in the middle of my foot, he said.

He thought he had a stress fracture. But, he actually needed surgery for worn away cartilage in his ankle.

I was mad. I was mad and frustrated because I thought I was going to run a fast half-marathon, he said. At that point, I thought I was pretty much done running. I thought that was the end of my running career.

His doctor proposed taking stem cells from bone marrow in his hip, and putting them into the hole, or defect, in the cartilage. The idea is to grow new tissue there. One of the biggest challenges is keeping those cells in place so that tissue has a chance to grow.

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Stem Cells to The Rescue: Repairing The Hearts

FRESNO, Calif. (KFSN) --

"Grace is what's carried me through this," Minch told Ivanhoe.

Ten years ago, at just 49, the choir singer and her husband were told she would need a quadruple bypass.

"Now we are at the point where my heart is severely damaged and nothing is really helping," Minch said.

Doctors said a heart transplant was her only option, but she'll soon find out if she'll be accepted into a new trial that could use her own stem cells to help repair the once thought irreversible damage, "or even create new blood vessels within areas of the heart that have been damaged," Jon George, MD, Interventional Cardiologist, Temple University School of Medicine, told Ivanhoe.

First, stem cells are taken from a patient's bone marrow. Then using a special catheter and 3D mapping tool, the cells are injected directly into the damaged tissue.

"We have results from animal data that show blood vessels regrow in the patients that actually get stem cell therapy," Dr. George said.

It's a possible answer to Debbie's prayers.

Temple University Hospital is currently pre-screening patients for the trial. For more information, call 215-707-5340.

------

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Stem Cells to The Rescue: Repairing The Hearts

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GE Healthcare Launches Xuri IL-2 Growth Factor For The Reliable Activation And Expansion Of T-lymphocytes

Xuri IL-2 is a dedicated cell therapy ancillary product for the ex vivo cultivation of T-lymphocytes. Xuri IL-2s defined level of biological activity removes the need for revalidation of each lot and strongly improves reproducibility, thereby minimizing process development time and improving scale out capacity.

Xuri IL-2 features low endotoxin levels (<0.025 EU/g), is produced under a GMP license certified and regularly audited, quality controlled under ISO9001:2008 and in accordance with the International Conference on Harmonization (ICH) guideline. Xuri IL-2 is supplied with comprehensive instructions for straightforward expansion in static culture and with the Xuri Cell Expansion Systems W5 and W25.

Also now available is IL-2 for preclinical use, a cost efficient alternative for the cultivation of T-lymphocytes in proof-of-principle and basic research experiments. The close equivalence between IL-2 and Xuri IL-2 simplifies the transition from research to process development for cell therapy manufacturing with minimized optimization time while supporting regulatory compliance.

Xuri products are supplied with a comprehensive documentation support package that follows USP <1043> requirements applicable to a supplier of ancillary material for cell, gene and tissue-engineered products to enable a full assessment and documentation of the production processes. This contributes significantly to facilitating risk assessment and validation in cell therapy manufacturing.

For more information, visit https://promo.gelifesciences.com/GL/XURI/expansion.html.

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GE Healthcare Launches Xuri IL-2 Growth Factor For The Reliable Activation And Expansion Of T-lymphocytes

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