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the
improvement
in
peoples'living
standard and the
lengthening
of
human lives,
it
is
estimated
that
the number
of
diabetics
will
continue
to
increase.
Accordingly, there
will be
a
rapid
increase
in
the demand
for
insulin.
ln
view
of
this situation,
specialists
in
genetics have made use
of
RNA
(mRNA), enabling
mass production
of
human insulin
possible
in
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