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Effect of microenvironment modulation on stem cell therapy for spinal cord injury pain

Posted: August 1, 2014 at 10:41 pm

PUBLIC RELEASE DATE:

31-Jul-2014

Contact: Meng Zhao eic@nrren.org 86-138-049-98773 Neural Regeneration Research

Spinal cord injury (SCI) currently ranks second after mental retardation among neurological disorders in terms of cost to society. Pain is a debilitating consequence of SCI related to the nature of the lesion, neurological structures damaged, and secondary pathophysiological changes of surviving tissues1. Approximately two-thirds of persons who have sustained SCI experience clinically significant pain after injury, of whom one-third have severe pain2, 3. Post-SCI pain can increase with time and is often refractory to conventional treatment approaches4. Over the past decade, clinical studies have shown that post-SCI pain interferes with rehabilitation, daily activities, and quality of life and may substantially influence mood, leading to depression and even suicide4-7.Chronic neuropathic pain following SCI is divided into three types: at-level pain (pain within the body segments innervated by spinal cord segments at the level of the injury), below-level pain (pain within body segments caudal to the level at which the spinal cord was injured), and above-level pain (pain within body segments rostral to the level at which the spinal cord was injured)8. The mechanisms underlying SCI-induced chronic neuropathic pain are not well understood. Aberrant central sprouting of nociceptive fibers has been commonly proposed as a mechanism of SCI pain and is associated with mechanical allodynia induced by SCI9-11. Demyelination (loss of myelin) and dysmyelination (abnormal myelination) induced by oligodendrocyte injury and death are important contributors to SCI-associated behavioral deficits, including pain12-16. For instance, SCI-induced dysmyelination is involved in the aberrant sprouting of nociceptive fibers and causes SCI pain behaviors. Thus, remyelination of demyelinated/dysmyelinated axonsin the injured spinal cord could be an important repair therapy for SCI and one of the key elements for functional recovery and aberrant sprouting prevention after SCI, published in the Neural Regeneration Research (Vol. 9, No. 5, 2014).

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Article: " Effect of microenvironment modulation on stem cell therapy for spinal cord injury pain" by Sufang Liu1, 2, Changsheng Li1, 2, Ying Xing2, 3, Feng Tao1 (1 Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA; 2 Basic Medical College, Zhengzhou University, Zhengzhou, Henan Province, China; 3 Basic Medical College, Xinxiang Medical University, Xinxiang, Henan Province, China)

Liu SF, Li CS, Xing Y, Tao F. Effect of microenvironment modulation on stem cell therapy for spinal cord injury pain. Neural Regen Res. 2014;9(5):458-459.

Contact: Meng Zhao eic@nrren.org 86-138-049-98773 Neural Regeneration Research http://www.nrronline.org/

AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.

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Effect of microenvironment modulation on stem cell therapy for spinal cord injury pain

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And the Beat Goes On – Advances in Cardiac Care, Part 1 – Video

Posted: August 1, 2014 at 6:41 pm


And the Beat Goes On - Advances in Cardiac Care, Part 1
From interventional cardiology and the use of intravascular ultrasound to using stem cells to regenerate heart muscle, this program brings together an array of experts from several fields who...

By: UWTV

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And the Beat Goes On - Advances in Cardiac Care, Part 1 - Video

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And the Beat Goes On – Advances in Cardiac Care, Part 2 – Video

Posted: August 1, 2014 at 6:41 pm


And the Beat Goes On - Advances in Cardiac Care, Part 2
From interventional cardiology and the use of intravascular ultrasound to using stem cells to regenerate heart muscle, this program brings together an array of experts from several fields who...

By: UWTV

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And the Beat Goes On - Advances in Cardiac Care, Part 2 - Video

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Stem Cells, Fat & Social Media: The August 2014 Issue of PRS with Rod J. Rohrich, MD – Video

Posted: August 1, 2014 at 6:41 pm


Stem Cells, Fat Social Media: The August 2014 Issue of PRS with Rod J. Rohrich, MD
Rod J. Rohrich, MD, Editor-in-Chief of "Plastic and Reconstructive Surgery" discusses 3 articles on the trending topics of stem cells, fat transfers and soci...

By: PRSJournal

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Stem Cells, Fat & Social Media: The August 2014 Issue of PRS with Rod J. Rohrich, MD - Video

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Ben Sings "Stem Cells & Clones" – Video

Posted: July 31, 2014 at 1:49 pm


Ben Sings "Stem Cells Clones"
A zany, creative contemporary science-meets-science fiction song cleverly composed by lead guitarist Dr. Dave. Sung with gusto, humor and skill by Ben Philli...

By: Mark Brendan Hussey

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Ben Sings "Stem Cells & Clones" - Video

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Senescence in adipose-derived stem cells and its implications in nerve regeneration

Posted: July 31, 2014 at 1:49 pm

PUBLIC RELEASE DATE:

30-Jul-2014

Contact: Meng Zhao eic@nrren.org 86-138-049-98773 Neural Regeneration Research

Adult mesenchymal stem cells, specifically adipose-derived stem cells have self-renewal and multiple differentiation potentials and have shown to be the ideal candidate for therapeutic applications in regenerative medicine, particularly in peripheral nerve regeneration. Adipose-derived stem cells are easily harvested, although they may show the effects of aging, hence their potential in nerve repair may be limited by cellular senescence or donor age. Cellular senescence is a complex process whereby stem cells grow old as consequence of intrinsic events (e.g., DNA damage) or environmental cues (e.g., stressful stimuli or diseases), which determine a permanent growth arrest. Prof. Magnaghi and his team from University of Milan in Italy reported some of the most important factors modulating the senescence process, which can influence adipose-derived stem cell morphology and function, and compromise their clinical application for peripheral nerve regenerative cell therapy. These findings, published in the Neural Regeneration Research (Vol. 9, No. 1, 2014).

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Article: " Senescence in adipose-derived stem cells and its implications in nerve regeneration " by Cristina Mantovani1 , Giorgio Terenghi2, Valerio Magnaghi1 (1 Dipartimento di Scienze Farmacologiche e Biomolecolari, Universit degli Studi di Milano, Milan, Italy 2 Blond McIndoe Laboratories, Faculty of Medical and Human Sciences, The University of Manchester, Manchester, UK)

Mantovani C, Terenghi G, Magnaghi V. Senescence in adipose-derived stem cells and its implications in nerve regeneration. Neural Regen Res. 2014;9(1):10-15.

Contact: Meng Zhao eic@nrren.org 86-138-049-98773 Neural Regeneration Research http://www.nrronline.org/

AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.

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Diabetes tipo 2 Podra ser reversible?

Posted: July 31, 2014 at 1:45 pm

http://www2.prnewswire.com.br/imgs/pub/2014-07-29/original/2032.jpg

http://www2.prnewswire.com.br/imgs/pub/2013-04-08/original/1116.jpg

CIUDAD DE MEXICO, 31 de juliode 2014 /PRNewswire/ -- La obesidad es un problema de salud que padecen muchsimas personas de nuestro pas. Se estima que en los prximos aos Mxico podra ocupar el 7 lugar de pases con diabetes, es decir, casi 12 millones de mexicanos padecindola, nios y adultos, 1 de cada 3 podra tener diabetes.

Foto - http://www2.prnewswire.com.br/imgs/pub/2014-07-29/original/2032.jpg Logo - http://www2.prnewswire.com.br/imgs/pub/2013-04-08/original/1116.jpg

La diabetes es un desorden que resulta de la insuficiente produccin de insulina o resistencia a la insulina donde el cuerpo no puede utilizarla de manera eficiente. La insulina es la responsable de que las clulas absorban la glucosa (azcar) para obtener la energa que necesitan as como el hgado y las clulas grasas para almacenamiento. Si existe una deficiencia de insulina o resistencia entonces los niveles de glucosa (azcar) en la sangre llegan a ser anormalmente altos.

Ningn otro parmetro fsico del cuerpo humano est ms fuertemente ligado a una enfermedad que lo que la obesidad est con la diabetes tipo 2. Aquellas personas que padecen obesidad corren de 40 a 90 veces ms riesgo de tener diabetes comparada con aquellas con un peso normal. Adems parece ser que el riesgo de la diabetes se relaciona con el tiempo que se ha tenido obesidad as como el nivel de obesidad.

Anteriormente se crea que la diabetes tipo 2 es una sentencia de cadena perpetua crnica, una pendiente cuesta abajo; hasta que un estudio cientfico dirigido por Cambridge Weight Plan ha sido capaz de demostrar que la diabetes tipo 2 en realidad es reversible con una dieta muy baja en caloras basada en suplementos alimenticios y vegetales sin almidn, que induce al cuerpo a eliminar la grasa que est obstruyendo el pncreas e impidiendo que este produzca insulina.

Despus de una semana, los niveles de azcar haban vuelto a la normalidad. Despus de dos meses, la grasa en el pncreas de cada paciente haba regresado a los niveles normales y el pncreas produca insulina con normalidad.

Tres meses ms tarde, despus de volver a la alimentacin normal con asesora nutricional, 7 de los 11 pacientes permanecieron libres de diabetes tipo 2.

Quieres saber ms? Revisa el artculo cientfico de esta investigacin http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3168743/ y contacta a tu consultor Cambridge ms cercano.

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Diabetes tipo 2 Podra ser reversible?

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What clinical trials for gene and stem cell therapy are under way in your London laboratory? – Video

Posted: July 31, 2014 at 1:44 pm


What clinical trials for gene and stem cell therapy are under way in your London laboratory?
Robin Ali, BSc, PhD, FMedSci, internationally known for his research in gene and cell-based therapy for the treatment of retinal degeneration, has joined the U-M Department of Ophthalmology...

By: Kellogg Eye Center - Ann Arbor

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What clinical trials for gene and stem cell therapy are under way in your London laboratory? - Video

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The Adult Stem Cell Technology Center, LLC Launches A Marketing Campaign To License Adult Stem Cell Biotechnologies

Posted: July 31, 2014 at 1:42 pm

Boston, MA (PRWEB) July 31, 2014

Bostons Adult Stem Cell Technology Center, LLC (ASCTC) finds itself flush with innovative adult stem cell biotechnologies. Currently the company holds seven recently issued patents and has three additional patent applications currently under examination by the U.S. Patent and Trademarks Office.

The patented inventions address two of the most vexing problems in adult stem cell biology research and regenerative medicine. Adult stem cells are difficult to identify; and they have been difficult to multiply to sufficient numbers to support regenerative medicine applications.

ASCTC has addressed the identity problem by developing patented biomarkers that are found exclusively on adult stem cells. The biomarkers are based on ASCTCs expertise in defining properties of adult stem cells that are not shared by any other normal cell types in the body. The patented biomarkers also identify some types of cancer stem cells. Therefore, they have applications in both stem cell medicine and cancer medicine.

ASCTCa success in developing procedures for producing adult stem cells in large numbers is due to the companys expertise in adult stem cell growth control. ASCTCs technology uses natural compounds found in the body to instruct adult stem cells to multiply in a controlled manner as during normal body growth.

The companys patented method for controlling adult stem cells to multiply without losing their stem cell properties has applications for many different types of adult stem cells. ASCTCs approved patents demonstrate the application of the method for production of human liver stem cells, hair follicle stem cells, and human pancreatic stem cells; but the technology has general application to adult stem cells found in many other types of organs and tissues.

In addition to the main focus on adult stem cell technologies, ASCTCs most recently issued patent applies its cell multiplication methods to produce induced pluripotent stem cells (iPSCs) without transferring exogenous genes. This gene-free single agent method should offer significant value to the many mushrooming companies that supply iPSCs and iPSC production reagents.

As a small start-up, ASCTC is employing a social media marketing strategy. In the past week, the company has launched patent licensing ads on LinkedIn, Vocus, and Facebook, as well increased its advertising references within its recently established Twitter presence.

It would be a shame for these technologies to lie dormant, just because our hands are full with other projects at the moment. James Sherley, director of ASCTC, relates that the companys two main business efforts require only a fraction of its available intellectual property. ASCTC is currently focused on bringing laboratory-scale production of human liver stem cells to manufacturing scales and developing a computer simulation assay for preclinical detection of drug candidates with intolerable toxicity due to adverse effects on adult stem cells.

Sherley adds, We already have a few companies that have expressed interest in licensing. But we could do a lot better at reaching others whose development efforts would benefit from ASCTCs unique technologies. Love to hear from ViaCyte!

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The Adult Stem Cell Technology Center, LLC Launches A Marketing Campaign To License Adult Stem Cell Biotechnologies

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Early stem cell transplant may cure "bubble boy" disease

Posted: July 31, 2014 at 1:42 pm

"Bubble boy" David Vetter lived in a protective environment designed by NASA engineers. He died of complications after receiving a bone marrow transplant in 1984, at the age of 12. Baylor College of Medicine Photo Archives

Babies born with so-called "bubble boy" disease can often be cured with a stem cell transplant, regardless of the donor -- but early treatment is critical, a new study finds.

Severe combined immunodeficiency (SCID), as the condition is medically known, actually refers to a group of rare genetic disorders that all but eliminate the immune system. That leaves children at high risk of severe infections.

The term "bubble boy" became popular after a Texas boy with SCID lived in a plastic bubble to ward off infections. The boy, David Vetter, died in 1984 at the age of 12, after an unsuccessful bone marrow transplant -- an attempt to give him a functioning immune system.

15 Photos

Immune disorder forced David Vetter to live in bubble - but breakthroughs from his story now enable similar kids to live free

In the best-case scenario, a child would get stem cells -- the blood-forming cells within bone marrow -- from a sibling who is a perfect match for certain immune-system genes.

But that's not always an option, partly because kids with SCID are often their parents' first child, said Dr. John Cunningham, director of hematopoietic stem cell transplantation at the University of Chicago Comer Children's Hospital. He was not involved in the study.

In those cases, doctors typically turn to a parent -- who is usually a "half" match, but whose stem cells can be purified to improve the odds of success. Sometimes, stem cells from an unrelated, genetically matched donor can be used.

The good news: Regardless of the donor, children with SCID can frequently be cured, according to the new findings. But early detection and treatment is vital.

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Early stem cell transplant may cure "bubble boy" disease

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