ATROFIA ESPINAL MUSCULAR
Disease information
ATROFIA ESPINAL MUSCULAR
Most of the
nervous
cells that they control the muscles are located in the
spinal
marrow, when there is
a
degeneration
or diminution of his
activity
, by some
injury
or
disease
, the muscles are atrophied and let work suitably.
There are different types from damage in
a
muscular
spinal
atrophy
, depending on the amount of motor cells that are lost in
each
case.
In most of the cases, this
atrophy
is
a
genetic
disease
and it must to mutations that affect the produced amount of
a
protein
, well - known like SMN, abbreviations in
English
of survival of motor neurons.
The
muscular
spinal
atrophy
, usually divides in categories or types, depending on the severity and the age of beginning of the
disease
.
Also there are forms that are not derived from mutations of chromosome 5, like is the
spinal
muscular
atrophy
to bulbar or
Disease
of Kennedy, who derives
itself
from
a
genetic
defect in chromosome X.
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