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Stem Cells Are Key for Long-Term Space Travel

Posted by on Sep 23, 2019 2:39:00 PM

Aleph Farms, a pioneering lab-grown meat company, has sent stem cells to the International Space Station (ISS) and demonstrated that they can be differentiated into lab-grown meat in zero gravity conditions. The scientists at the ISS used a 3D bioprinting technique to culture and develop the stem cells into bovine muscle tissue, and the cells developed just like they have successfully done so on Earth. Astronauts are concerned with every gram of additional materials that they take on their voyages, and one of the main hurdles to long-term space exploration is the inability to pack enough resources to make longer trips.

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Topics: lab grown meat

Personalizing Medicine with Stem Cells

Posted by on Aug 6, 2019 10:54:00 AM

Researchers at the Tokyo Medical and Dental University have developed a methodology to create mini liver organoids to test how therapies will affect patients in vivo.  Since susceptibility to liver disease varies greatly based on the individual, the researchers are hoping to better tailor treatments by creating a mini liver from patients’ own stem cells in order to test a variety of treatments to assess those best suited for each individual patient. This stem cell advance will enable researchers to ’personalize’ treatments to the individual, while also enabling them to study and better understand rare liver diseases.

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Topics: stem cell treatment

3D Bio-Printing Esophagus Replacements for Cancer Patients

Posted by on Jun 24, 2019 2:05:00 PM

Researchers at Seoul National University Hospital are using stem cells to reconstruct segments of the esophagus due to birth defects or damage following treatments for cancer. The current standard of care has several drawbacks, since it involves taking a portion of a patient’s small intestine to reconstruct the esophagus when all, or part, of it is removed. In an animal model researchers 3D printed a two-layered scaffold using nanofibers in the shape of an actual esophagus, then seeded the scaffold with mesenchymal stem cells (MSCs). The technique enables researchers to cater the shape to the exact specifications for the form and function of the esophagus, including the placement of the thyroid gland flap.

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Topics: stem cell cancer treatment

Kidney Disease and Stem Cells

Posted by on May 30, 2019 2:47:00 PM

Researchers at Leiden University are using 3D printed kidneys to understand the complexities and causes of  differing forms of kidney disease affecting over 850 million individuals worldwide. One of the greatest challenges of kidney disease is that it often goes untreated due to a lack of initially observable symptoms. The researchers are utilizing the printed kidney tissue, complete with blood vessels and filtering systems of actual kidneys, to model and understand kidney disease, as well as test possible treatments prior to clinical trials. The ability to study organ pathology outside the body will enable researchers to perform extensive testing to understand the root causes of a disease from a cellular level.The ability to test treatments on living kidney tissue prior to clinical trials will limit adverse effects and expedite the approval of more effective treatments.

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Topics: stem cell organs

Mending Broken Hearts with Stem Cells

Posted by on Feb 8, 2019 1:34:00 PM

Researchers at Imperial College London have created a stem cell patch that pulses like normal heart muscle and is used to make repairs following heart attacks. Heart attacks occur when a blockage due to a clot in a blood vessel restricts blood flow to the heart, and this causes damage to the cardiac muscle, since it is without oxygen for a prolonged period of time. These patches are revolutionary in that they can pulse and contract as heart muscle constantly does. The patch is said to not only support damaged muscles but also help the heart pump more efficiently. This is essential since the muscle damage that occurs as a result of heart attacks often leads to heart failure.

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Topics: Heart Attack, regenerative treatments, heart repair, stem cell graft, cardiac muscle repair

Parkinson’s Disease Resistant Stem Cells

Posted by on Dec 12, 2018 2:57:00 PM

Researchers at the University of Edinburgh have made a major breakthrough in the development of a treatment for Parkinson’s disease. Clinical trials are currently underway that utilize stem cells to treat Parkinson’s by injecting healthy stem cells directly into the brain. However, there is one major hurdle: the healthy injected cells can become diseased from the nearby cells exhibiting Parkinson’s symptoms. In lab tests, the researchers used CRISPR to splice the DNA of the stem cells to eradicate the gene that causes the toxic clumps of cells in the brain, which contribute to the neuronal degeneration. The edited stem cells also successfully produced dopamine, which is significantly lacking in Parkinson’s patients.

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Topics: Parkinson's, parkinsons research, regenerative medicine, stem cell injection

Delivering Stem Cells for Better Outcomes

Posted by on Oct 30, 2018 11:43:00 AM

Researchers at Rutgers University have created a bio-degradable scaffold that could overcome the biggest hurdle in stem cell treatments, which is cell survival and delivery. In order for a treatment to be effective, the stem cells must reach the designated site and remain there while they work. "Our enhanced stem cell transplantation approach is an innovative potential solution," comments Professor Ki Bum Lee, senior author of the study.

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Topics: stem cell therapy, treating Alzheimer's, neurological disorders, stem cell injection, stem cell scaffold

DoD Sponsors Eye Injury Stem Cell Treatment

Posted by on Sep 15, 2018 1:09:00 PM

The University of Illinois at Chicago has received a $5.25 million grant from the Department of Defense [DoD] to develop clinical trials using stem cells to treat eye injuries and expedite healing. The treatments utilize mesenchymal stem cells (the same type of stem cells found in teeth) due to their anti-inflammatory and immunomodulatory properties, which can help heal scarring and preserve eyesight. The treatments are targeted for combat veterans injured due to explosions and chemical burns to the eye, but could also be used to treat chronic corneal injuries in other patients.

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Topics: corneal burns,, mesenchymal stem cells, eye injuries

Stem Cells Root Out Root Canals

Posted by on Aug 16, 2018 10:45:00 AM

Doctors at the New Jersey Institute of Technology have developed a stem cell hydrogel designed to keep teeth alive following a root canal. This revolutionary, biological hydrogel is said to stimulate angiogenesis, which is the growth of blood vessels, and this key factor could help teeth remain both alive and more fortified, compared to a traditional root canal treatment. When patients require root canals, the decay inside the pulpal chamber and canals is cleared and replaced with gutta percha. This eliminates the infection, but also renders the tooth dead typically leading to the loss of the tooth entirely later on. The hydrogel, seeded with dental pulp stem cells and working in conjunction with the hydrogel’s promotion of angiogenesis,  has the potential to repopulate the tooth with living, functioning dental pulp and restoring function to the tooth.

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Topics: root canal therapy, stem cell therapy, root canal, tooth regeneration, stem cell treatment

Stem Cells Take Flight

Posted by on Jul 3, 2018 10:29:00 AM

Organs-on-Chips are set to be studied in zero gravity at the International Space Station. Astronauts who go into space have been known to experience changes in their health and immune response, but until recently, the reasons for these changes remained largely unknown. Previously, animals were sent as a way to determine the long-term health effects of being in space. However, since every organism functions differently, this approach, while useful, had obvious drawbacks. Organs-on-Chips [OOCs] are an innovation created by a collaborative effort of the Wyss Institute of Harvard University and the Massachusetts Institute of Technology, among others. OOCs are small vessels that utilize stem cells to create various tissue types to simulate the conditions inside human organs. If the tests prove successful, these tiny chips  will be the closest researchers get to estimating the effects of space travel on human organ function - aside from sending out actual astronauts.

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Topics: stem cell organs, stem cell research, regenerative medicine, organs on chips


AAOMS - American Association of Oral and Maxillofacial Surgeons


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