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PETBioNewsNewsParalysed man begins recovery after nasal cell transplant

BioNews

Paralysed man begins recovery after nasal cell transplant

Published 24 October 2014 posted in News and appears in BioNews 777

Author

Dr Shanya Sivakumaran

Image by Sílvia Ferreira, Cristina Lopo and Eileen Gentleman via the Wellcome Collection. Depicts a single human stem cell embedded within a porous hydrogel matrix (false colour).
CC BY 4.0
Image by Sílvia Ferreira, Cristina Lopo and Eileen Gentleman via the Wellcome Collection. Depicts a single human stem cell embedded within a porous hydrogel matrix (false-coloured cryogenic scanning electron micrograph).

A man who was paralysed from the chest down has begun to walk again, with the use of a frame, following the transplantation of cells into his spinal cord...

A man who
was paralysed from the chest down has begun to walk again, with the use of a
frame, following the transplantation of cells into his spinal cord.

Darek
Fidyka was left paralysed following a knife attack in 2010 that severed his
spinal cord. He told the BBC that walking again was 'an incredible feeling'. 'When you can't feel almost
half your body, you are helpless, but when it starts coming back it's like you
were born again,' he said. As well as the surgery, Mr Fidyka has also undergone
an intensive physiotherapy programme, and he has now regained muscle mass and
movement, as well as some bladder, bowel and sexual function.

His
recovery was the result of research led by Professor Geoffrey Raisman, chair of neural regeneration
at University College London, and Dr Pawel Tabakow, a consultant neurosurgeon at
Wroclaw University Hospital, Poland. Professor Raisman described the
achievement as being 'more impressive than man walking on the moon'.

The
transplantation used olfactory ensheathing cells (OECs) — specialised nerve cells
that are part of the system which gives us our sense of smell; the olfactory
system. A unique property of these cells is that they have the ability to regenerate,
unlike other nerve cells.

Neurosurgeons
removed one of the man's own olfactory bulbs (an area at the base of the brain,
rich in these cells), and cultured OECs in the laboratory. Two weeks later, the
cells were injected above and below the injury, and strips of nerve fibres were
taken from his ankle and placed across the gap, aiming to form a bridge that
the cells could grow across.

Using
the man's own cells means that rejection by his immune system was not a concern,
and immunosuppressive drugs are not required. There were also no other reported
complications, such as provoking pain or further deterioration of the spinal
cord.

Although
these results are promising, scientists have noted that we must be cautious
until they can be repeated in further patients. Dr Dusko Ilic, senior
lecturer in stem cell science, King's College London, stated: 'Although the achievement is
indeed revolutionary, this approach worked only in one patient so far. It
is known from published animal studies that in some cases transplantation of
OECs led to marked improvements, whereas in other cases not.We need to
enrol more people in the study to get a better idea how reliable and
repeatable this approach is.'

Related Articles

PET BioNews
News
11 July 2014 • 2 minutes read

Failed stem cell transplant leaves woman with nose tissue on spine

by Julianna Photopoulos

A paraplegic woman in the USA has developed a growth of nasal tissue in her back eight years after failed stem cell therapy...

Image by Sílvia Ferreira, Cristina Lopo and Eileen Gentleman via the Wellcome Collection. Depicts a single human stem cell embedded within a porous hydrogel matrix (false colour).
CC BY 4.0
Image by Sílvia Ferreira, Cristina Lopo and Eileen Gentleman via the Wellcome Collection. Depicts a single human stem cell embedded within a porous hydrogel matrix (false-coloured cryogenic scanning electron micrograph).
News
19 April 2013 • 2 minutes read

Motor neurone disease stem cell trial advances to next phase

by Matthew Young

A neural stem cell therapy aimed at treating the symptoms of amyotrophic lateral sclerosis (ALS) is set to advance in the USA, after the Food and Drug Administration (FDA) gave its approval for it to proceed to the next stage of clinical trials...

Image by K Hardy via the Wellcome Collection. Depicts a human embryo at the blastocyst stage (about six days after fertilisation) 'hatching' out of the zona pellucida.
CC BY 4.0
Image by K Hardy via the Wellcome Collection. Depicts a human embryo at the blastocyst stage (about six days after fertilisation) 'hatching' out of the zona pellucida.
News
20 February 2013 • 2 minutes read

Positive results in motor neurone disease stem cell safety trial

by Dr Linda Wijlaars

A clinical trial to test the safety of a stem cell treatment for amyotrophic lateral sclerosis, the most common form of motor neurone disease, suggests that the new therapy is safe and well-tolerated. Encouragingly, one of the 12 patients participating in the study showed some improvement, although the trial was not designed to test the treatment's efficacy...

Image by Sílvia Ferreira, Cristina Lopo and Eileen Gentleman via the Wellcome Collection. Depicts a single human stem cell embedded within a porous hydrogel matrix (false colour).
CC BY 4.0
Image by Sílvia Ferreira, Cristina Lopo and Eileen Gentleman via the Wellcome Collection. Depicts a single human stem cell embedded within a porous hydrogel matrix (false-coloured cryogenic scanning electron micrograph).
News
17 January 2013 • 2 minutes read

Step forward in pioneering stem cell trial for motor neurone disease

by Marianne Kennedy

On 18 November, Richard Grosjean became the first patient to receive a pioneering stem cell treatment in the upper part of the spinal cord. His procedure is part of an ongoing US-based clinical trial aimed at assessing the safety of injecting neural stem cells taken from eight-week-old fetuses into the spinal cords of patients with amyotrophic lateral sclerosis (ALS)...

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