Tuesday, February 23, 2010

Feb. 22 - Printing Organs in Inkjet Printer Can Save Two Lives a Minute‏

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Printing Organs in Inkjet Printer Can Save Two Lives a Minute

Posted by: Dr. Mercola
February 20 2010 | 31,327 views

Anthony Atala's state-of-the-art lab grows human organs -- muscles, blood vessels, bladders, and more. In this video, he shows footage of his bio-engineers working with advanced technology, including a machine that "prints" human tissue.

Dr. Mercola's Comments:

Dr. Aubrey de Grey, one of the leading anti aging biologists, has long stated that he believes the way we will extend our lifespan beyond 120 years old is to replace the parts that wear out.

That is one of the reasons why I find this line of research so appealing because it seems to be a real world implementation of Dr. de Grey’s strategy.

Of course, this technology can also be used for organ replacement not due to aging. As of February 10, 2010, there were over 105,600 people waiting for an organ donation in the United States. However, from January to November 2009, just over 26,000 organ transplants took place.

The number of people in need of organ transplants is simply rising faster than the number of available donors, and as a result 19 people die every day due to this shortage.

So it would be nothing short of miraculous if we could one day replace virtually every organ or tissue in patients’ bodies with young pristine organs as they age or become diseases or injured.

Recently, steps toward achieving this goal have advanced greatly, including the amazing work being conducted at Dr. Anthony Atala’s Wake Forest Institute for Regenerative Medicine.

Lab-Grown Organs and Tissues are Here

Currently, Dr. Atala and his colleagues are working on developing organs and tissues for virtually every part of the human body. They were the first to create human bladders in the lab, and successfully implant them in patients.

They are also in the process of engineering a human ear and developing technology to print skin directly on burns using an ordinary inkjet printer!

The Institute has also identified a new type of non-controversial stem cells that come from amniotic fluid and placenta.

Adult stem cells (as opposed to embryonic stem cells, which are at the heart of the stem cell controversy) are a truly exciting part of the future of medicine, especially anti-aging medicine.

As you age, your stem cells diminish in quality and quantity, so just when you require strong stem cells the most, you’re becoming deficient. Hence your organs and tissues eventually wear out and need to be restored or replaced.

What makes stem cells so special is their potential to develop into many different cell types. When a stem cell divides, it either becomes another type of cell, such as a muscle cell or brain cell, or it remains a stem cell. Further, these cells act as an internal repair system in many types of tissues, dividing a seemingly infinite number of times to replenish other cells.

The new type of stem cells identified by Wake Forest scientists can be used to form blood vessel, bone, liver, muscle and other types of tissues, and they say a bank of 100,000 specimens could potentially provide 99 percent of the U.S. population with a genetic match for transplantation.

Not only are these stem cells easily obtainable, but they can be grown in large quantities because they typically double every 36 hours.

Regenerative Medicine at its Finest

Currently researchers at the Institute are also working to grow more than 22 different types of organs and tissues in the lab and are developing cell therapies for diseases such as diabetes and muscular dystrophy.

Your body already has an amazing ability to regenerate, such as healing a skin wound or broken bone. It’s also true for organs, such as your liver.

Right now, scientists can implant special smart biomaterials to form a matrix to help your body’s tissues rebuild themselves, but it only works for small areas, typically 1 centimeter or less. These new advances will make it possible to not only replace entire organs, but also to repair much larger areas.

Already, one man was able to regenerate a lost fingertip using a special powder substance called extracellular matrix -- a mix of protein and connective tissue surgeons use to repair tendons. It signals your body to start the process of tissue regrowth, and in just four weeks his fingertip grew back completely.

Scientists are also using patients’ own cells to grow organs in the lab, as there’s little risk of rejection when using your own adult stem cells. This means you’re less likely to need dangerous immunosuppressive drugs that are common with some treatments.

When I served as the kidney transplant coordinator for the University of Illinois prior to starting medical school in 1978, it was clear that the ability to produce organs -- and not have to put people on waiting lists -- would be an amazing accomplishment of modern medicine.

It seems we are now closer to this goal than ever before.

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How to Digitally Record/Video a UFO sighting:

Como registar digitalmente ou gravar um vídeo de um avistamento de um UFO:

Stabilize the camera on a tripod. If there is no tripod, then set it on top of a stable, flat surface. If that is not possible lean against a wall to stabilize your body and prevent the camera from filming in a shaky, unsteady manner.

Estabilize a camera com um tripé. Se não tiver um tripé, então coloque-a em cima de uma superfície estável. Se não for possível, então encoste-se a uma parede para estabilizar o corpo e evitar que a camera registe de maneira tremida e instável.

Provide visual reference points for comparison. This includes the horizon, treetops, lampposts, houses, and geographical landmarks (i.e., Horsetooth Reservoir, Mt. Adams, etc.) Provide this in the video whenever is appropriate and doesn’t detract from what your focus is, the UFO.

Forneça pontos visuais de referência para comparação. Isso inclui o horizonte, cimo das árvores, postes de iluminação, pontos de referência geográficos (como o Reservatório de Horsetooth, Mone Adams, etc) Forneça esses pontos no vídeo sempre que for apropriado e não se distraia do que é o seu foco, o UFO/a Nave.

Narrate your videotape. Provide details of the date, time, location, and direction (N,S,E,W) you are looking in. Provide your observations on the weather, including approximate temperature, windspeed, any visible cloud cover or noticeable weather anomalies or events. Narrate on the shape, size, color, movements, approximate altitude of the UFO, etc and what it appears to be doing. Also include any unusual physical, psychological or emotional sensations you might have. Narrate any visual reference points on camera so they correlate with what the viewer will see, and thereby will be better able to understand.

Faça a narração do vídeo. Forneça pormenores sobre a data, hora, local e direcção (Norte, Sul, Este, Oeste) que está a observar. Faça observações sobre as condições atmosféricas, incluindo a temperatura aproximada, velocidade do vento, quantidade de nuvens, anomalias ou acontecimentos meteorológicos evidentes. Descreva a forma, o tamanho, a cor, os movimentos, a altitude aproximada onde se encontra o UFO/nave, etc e o que aparenta estar a fazer. Inclua também quaisquer aspectos pouco habituais de sensações físicas, psicológicas ou emocionais que possa ter. Faça a narração de todos os pontos de referência visual que o espectador irá ver e que, deste modo, será capaz de compreender melhor.

Be persistent and consistent. Return to the scene to videotape and record at this same location. If you have been successful once, the UFO sightings may be occurring in this region regularly, perhaps for specific reasons unknown, and you may be successful again. You may also wish to return to the same location at a different time of day (daylight hours) for better orientation and reference. Film just a minute or two under “normal” circumstances for comparison. Write down what you remember immediately after. As soon as you are done recording the experience/event, immediately write down your impressions, memories, thoughts, emotions, etc. so it is on the record in writing. If there were other witnesses, have them independently record their own impressions, thoughts, etc. Include in this exercise any drawings, sketches, or diagrams. Make sure you date and sign your documentation.

Seja persistente e não contraditório. Volte ao local da cena e registe o mesmo local. Se foi bem sucedido uma vez, pode ser que nessa região ocorram avistamentos de UFOs/naves com regularidade, talvez por razões específicas desconhecidas, e talvez possa ser novamente bem sucedido. Pode também desejar voltar ao mesmo lugar a horas diferentes do dia (durante as horas de luz)para ter uma orientação e referência melhor. Filme apenas um ,inuto ou dois em circunstâncias “normais” para ter um termo de comparação. Escreva tudo o que viu imediatamente após o acontecimento. Logo após ter feito o registo da experiência/acontecimento, escreva imediatamente as impressões, memórias, pensamentos, emoções, etc para que fiquem registadas por escrito. Se houver outras testemunhas, peça-lhes para registar independentemente as suas próprias impressões, pensamentos, etc. Inclua quaisquer desenhos, esbolos, diagramas. Certifique-se que data e assina o seu documento/testemunho.

Always be prepared. Have a digital camera or better yet a video camera with you, charged and ready to go, at all times. Make sure you know how to use your camera (and your cell phone video/photo camera) quickly and properly. These events can occur suddenly, unexpectedly, and often quite randomly, so you will need to be prepared.

Esteja sempre preparado, Tenha sempre uma camera digital, melhor ainda, uma camera vídeo consigo, carregada e pronta a usar sempre que necessário. Certifique-se que sabe como lidar com a sua camera (ou com o seu celular/camera fotográfica) rápida e adequadamente. Esses acontecimentos podem acontecer súbita e inesperadamente e, por vezes, acidentalmente, por isso, necessita estar preparado.

Look up. Be prepared. Report. Share.

Olhe para cima, Esteja preparado, Relate, Partilhe.



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