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2018.FEB.25 : Scientists Grow First Fully Developed Human Eggs in Laboratory
N
Scientists
ˈsaɪəntɪsts
ˈsaɪntɪsts
V SD
Grow
groʊ
 
N AR SD
First
fɜrst
 
R
Fully
ˈfʊli
 
VA
Developed
dɪˈvɛləpt
 
NVA SD
Human
ˈhjumən
ˈjumən
NV
Eggs
ɛgz
 
NVAR PSD
in
ɪn
 
N A S
Laboratory.
ˈlæbrəˌtɔri
 
 
Scientists Grow First Fully Developed Human Eggs in Laboratory.


JPSD
For
fɔr
 
R D
the
ðə(ði)
 
N AR SD
first
fɜrst
 
NVA SD
time
taɪm
 
AR SD
ever,
ˈɛvər
 
N
scientists
ˈsaɪəntɪsts
ˈsaɪntɪsts
NV SD
have
hæv
 
V
succeeded
səkˈsidəd
səkˈsidɪd
NVAR PSD
in
ɪn
 
NVA
growing
ˈgroʊɪŋ
 
NVA SD
human
ˈhjumən
ˈjumən
NV
eggs
ɛgz
 
A PSD
from
frʌm
frɑm
R D
the
ðə(ði)
 
AR
earliest
ˈɜrliəst
 
NV
stages
ˈsteɪʤəz
ˈsteɪʤɪz
NV R PSD
to
tu
 
NVAR SD
full
fʊl
 
N
maturity
məˈʧʊrəti
məˈtjʊrɪti
NVAR PSD
in
ɪn
 
 
a
ə
N A S
laboratory.
ˈlæbrəˌtɔri
 
 
For the first time ever, scientists have succeeded in growing human eggs from the earliest stages to full maturity in a laboratory.
RJPSD
Before
bɪˈfɔr
ˌbiˈfɔr
NVARJ SD
now,
naʊ
 
N
scientists
ˈsaɪəntɪsts
ˈsaɪntɪsts
V D
had
hæd
 
N ARJ SD
only
ˈoʊnli
 
V
succeeded
səkˈsidəd
səkˈsidɪd
NVAR PSD
in
ɪn
 
NV D
doing
ˈduɪŋ
 
N ARJ SD
so
soʊ
 
N R PSD
with
wɪð
wɪθ
R D
the
ðə(ði)
 
NV
eggs
ɛgz
 
N PSD
of
ʌv
 
N
mice,
maɪs
 
V
maturing
məˈʧʊrɪŋ
məˈtjʊrɪŋ
A D
those
ðoʊz
 
NV
eggs
ɛgz
 
NV R PSD
to
tu
 
R D
the
ðə(ði)
 
NV
stage
steɪʤ
 
N RJ SD
where
wɛr
 
SD
they
ðeɪ
 
V
produced
prəˈdust
 
NVA D
living
ˈlɪvɪŋ
 
NV
babies.
ˈbeɪbiz
 
 
Before now, scientists had only succeeded in doing so with the eggs of mice, maturing those eggs to the stage where they produced living babies.
SD
They
ðeɪ
 
V D
had
hæd
 
RJ SD
also
ˈɔlsoʊ
 
VA
grown
groʊn
 
NVA SD
human
ˈhjumən
ˈjumən
NV
eggs
ɛgz
 
A PSD
from
frʌm
frɑm
 
a
ə
N AR D
later
ˈleɪtər
 
NV
stage
steɪʤ
 
N PSD
of
ʌv
 
N D
development.
dɪˈvɛləpmənt
 
 
They had also grown human eggs from a later stage of development.
N
Scientists
ˈsaɪəntɪsts
ˈsaɪntɪsts
N A PSD
at
æt
 
N A D
two
tu
 
NV SD
research
riˈsɜrʧ
ˈrisərʧ
N
hospitals
ˈhɑˌspɪtəlz
 
NVAR PSD
in
ɪn
 
N
Edinburgh,
ˈɛdənbəroʊ
 
N
Scotland
ˈskɑtlənd
 
NV RJ SD
and
ænd
 
R D
the
ðə(ði)
 
NVA S
Center
ˈsɛntər
ˈsɛnər
JPSD
for
fɔr
 
NVA SD
Human
ˈhjumən
ˈjumən
N A
Reproduction
ˌriprəˈdʌkʃən
 
NVAR PSD
in
ɪn
 
NVAR SD
New
nu
nju
N D
York
jɔrk
 
VA
completed
kəmˈplitəd
kəmˈplitɪd
N AR SD
this
ðɪs
 
N AR D
latest
ˈleɪtəst
 
NV SD
experiment.
ɪkˈspɛrəmənt
 
 
Scientists at two research hospitals in Edinburgh, Scotland and the Center for Human Reproduction in New York completed this latest experiment.
SD
They
ðeɪ
 
V
published
ˈpʌblɪʃt
 
R D
the
ðə(ði)
 
NV
results
rɪˈzʌlts
 
N PSD
of
ʌv
 
R D
their
ðɛr
 
NV SD
research
riˈsɜrʧ
ˈrisərʧ
NVAR PSD
in
ɪn
 
R D
the
ðə(ði)
 
NV
journal
ˈʤɜrnəl
 
N A
Molecular
məˈlɛkjələr
 
NVA SD
Human
ˈhjumən
ˈjumən
N A
Reproduction
ˌriprəˈdʌkʃən
 
NVAR PSD
in
ɪn
 
N AR SD
early
ˈɜrli
 
N
February.
ˈfɛbjəˌwɛri
ˈfɛbruˌɛri
 
They published the results of their research in the journal Molecular Human Reproduction in early February.
SD
They
ðeɪ
 
VA D
said
sɛd
 
N AR SD
this
ðɪs
 
NV SD
research
riˈsɜrʧ
ˈrisərʧ
NV D
could
kʊd
 
NVA D
one
wʌn
 
NV SD
day
deɪ
 
NV SD
help
hɛlp
 
NVAR PSD
in
ɪn
 
NVA D
developing
dɪˈvɛləpɪŋ
 
NV
medicines
ˈmɛdəsənz
 
NV RJ SD
and
ænd
 
NVAR SD
new
nu
nju
N
treatments
ˈtritmənts
 
JPSD
for
fɔr
 
NV SD
people
ˈpipəl
 
N SD
who
hu
 
NV D
are
ɑr
 
A
unable
əˈneɪbəl
 
NV R PSD
to
tu
 
NV S
produce
ˈproʊdus
prəˈdus
N S
children.
ˈʧɪldrən
 
 
They said this research could one day help in developing medicines and new treatments for people who are unable to produce children.
R
Normally,
ˈnɔrməli
ˈnɔrmli
 
microscopic
 
 
NV
eggs
ɛgz
 
V SD
develop
dɪˈvɛləp
 
NVAR PSD
in
ɪn
 
R D
the
ðə(ði)
 
NVAR SD
part
pɑrt
 
N PSD
of
ʌv
 
R D
the
ðə(ði)
 
N A SD
female
ˈfiˌmeɪl
 
 
reproductive
 
 
N SD
system
ˈsɪstəm
 
V
called
kɔld
 
 
ovaries.
 
 
 
Normally, microscopic eggs develop in the part of the female reproductive system called ovaries.
RJ SD
However,
ˌhaʊˈɛvər
 
N AR SD
this
ðɪs
 
NV
is
ɪz
 
R D
the
ðə(ði)
 
N AR SD
first
fɜrst
 
NVA SD
time
taɪm
 
NVA SD
human
ˈhjumən
ˈjumən
NV
eggs
ɛgz
 
NV SD
have
hæv
 
NV D
been
bɪn
bən
VA
developed
dɪˈvɛləpt
 
N AR P
outside
ˈaʊtˈsaɪd
 
R D
the
ðə(ði)
 
NVA SD
human
ˈhjumən
ˈjumən
NV S
body
ˈbɑdi
 
A PSD
from
frʌm
frɑm
R D
their
ðɛr
 
AR
earliest
ˈɜrliəst
 
NV
stage
steɪʤ
 
NV R PSD
to
tu
 
NVAR SD
full
fʊl
 
N
maturity.
məˈʧʊrəti
məˈtjʊrɪti
 
However, this is the first time human eggs have been developed outside the human body from their earliest stage to full maturity.
 
Evelyn
 
 
 
Telfer
 
 
NV
is
ɪz
 
 
a
ə
 
co-leader
koʊ - ˈlidər
 
N PSD
of
ʌv
 
R D
the
ðə(ði)
 
NV SD
research.
riˈsɜrʧ
ˈrisərʧ
 
Evelyn Telfer is a co-leader of the research.
N A SD
She
ʃi
 
V
told
toʊld
 
R D
the
ðə(ði)
 
N
Reuters
ˈrɔɪtərz
 
NV S
news
nuz
njuz
NVA SD
service,
ˈsɜrvəs
ˈsɜrvɪs
 
She told the Reuters news service,
NVA D
"Being
ˈbiɪŋ
 
NVA S
able
ˈeɪbəl
 
NV R PSD
to
tu
 
R
fully
ˈfʊli
 
V SD
develop
dɪˈvɛləp
 
NVA SD
human
ˈhjumən
ˈjumən
NV
eggs
ɛgz
 
NVAR PSD
in
ɪn
 
R D
the
ðə(ði)
 
N A S
[laboratory]
ˈlæbrəˌtɔri
 
NV D
could
kʊd
 
V
widen
ˈwaɪdən
 
R D
the
ðə(ði)
 
NV
scope
skoʊp
 
N PSD
of
ʌv
 
A SD
available
əˈveɪləbəl
 
 
fertility
 
 
N
treatments.
ˈtritmənts
 
 
“Being able to fully develop human eggs in the [laboratory] could widen the scope of available fertility treatments.
SD
We
wi
NV D
are
ɑr
NVARJ SD
now
naʊ
NVA D
working
ˈwɜrkɪŋ
NVAR PSD
on
ɑn(ɔn)
 
optimizing
 
R D
the
ðə(ði)
NV
conditions
kənˈdɪʃənz
N ARJ SD
that
ðæt
NV SD
support
səˈpɔrt
NV S
egg
ɛg
N D
development
dɪˈvɛləpmənt
NVAR PSD
in
ɪn
N AR SD
this
ðɪs
NVAR SD
way
weɪ
NV RJ SD
and
ænd
NV
studying
ˈstʌdiɪŋ
N RJ SD
how
haʊ
A D
healthy
ˈhɛlθi
SD
they
ðeɪ
NV D
are.
ɑr
 
"
 
 
We are now working on optimizing the conditions that support egg development in this way and studying how healthy they are.”
N A S
Independent
ˌɪndɪˈpɛndənt
 
N
experts
ˈɛkspərts
 
N RJ SD
not
nɑt
 
RJ D
directly
dəˈrɛktli
 
VA D
involved
ɪnˈvɑlvd
 
NVAR PSD
in
ɪn
 
N AR SD
this
ðɪs
 
NVA SD
work
wɜrk
 
VA
supported
səˈpɔrtəd
səˈpɔrtɪd
N A SD
it
ɪt
 
N AR P D
by
baɪ
 
NV
calling
ˈkɔlɪŋ
 
N A SD
it
ɪt
 
A S
important.
ɪmˈpɔrtənt
 
 
Independent experts not directly involved in this work supported it by calling it important.
NV RJPSD
But
bʌt
 
SD
they
ðeɪ
 
RJ SD
also
ˈɔlsoʊ
 
V
warned
wɔrnd
 
N ARJ SD
that
ðæt
 
N R SD
there
ðɛr
 
NV
is
ɪz
 
N AR SD
much
mʌʧ
 
NVAR SD
more
mɔr
 
NV R PSD
to
tu
 
NV R SD
do
du
doʊ
RJPSD
before
bɪˈfɔr
ˌbiˈfɔr
 
laboratory-grown
ˈlæbrəˌtɔri - groʊn
 
NVA SD
human
ˈhjumən
ˈjumən
NV
eggs
ɛgz
 
NV D
could
kʊd
 
NV SD
be
bi
 
R
safely
ˈseɪfli
 
NVA D
made
meɪd
 
NVAR SD
ready
ˈrɛdi
 
JPSD
for
fɔr
 
N A
reproduction
ˌriprəˈdʌkʃən
 
N R PSD
with
wɪð
wɪθ
 
sperm.
 
 
 
But they also warned that there is much more to do before laboratory-grown human eggs could be safely made ready for reproduction with sperm.
N
Ali
ˈɑli
 
 
Abbara
 
 
NV
is
ɪz
 
 
a
ə
N A D
medical
ˈmɛdəkəl
ˈmɛdɪkəl
N A SD
expert
ˈɛkspərt
 
N A PSD
at
æt
 
N A D
Imperial
ɪmˈpɪriəl
 
N A SD
College
ˈkɑlɪʤ
 
N
London.
ˈlʌndən
 
 
Ali Abbara is a medical expert at Imperial College London.
N A SD
He
hi
 
VA D
said
sɛd
 
N AR SD
this
ðɪs
 
N AR D
latest
ˈleɪtəst
 
NV SD
research
riˈsɜrʧ
ˈrisərʧ
V
suggests
səgˈʤɛsts
 
N A SD
it
ɪt
 
NV SD
may
meɪ
 
NV SD
be
bi
 
N A SD
possible
ˈpɑsəbəl
 
NV R PSD
to
tu
 
R
fully
ˈfʊli
 
NV SD
combine
ˈkɑmbaɪn
kəmˈbaɪn
NVA SD
human
ˈhjumən
ˈjumən
NV
eggs
ɛgz
 
NV RJ SD
and
ænd
 
 
sperm
 
 
N AR P
outside
ˈaʊtˈsaɪd
 
R D
the
ðə(ði)
 
NV S
body
ˈbɑdi
 
NVAR PSD
in
ɪn
 
R D
the
ðə(ði)
 
N A S
future.
ˈfjuʧər
 
 
He said this latest research suggests it may be possible to fully combine human eggs and sperm outside the body in the future.
 
"
 
 
NV RJPSD
[But]
bʌt
 
R D
the
ðə(ði)
 
N SD
technology
tɛkˈnɑləʤi
 
NV S
remains
rɪˈmeɪnz
 
N A PSD
at
æt
 
N A JP D
an
ən
 
N AR SD
early
ˈɜrli
 
NV
stage,
steɪʤ
 
 
"
 
 
N A SD
he
hi
 
V
added.
ˈædəd
ˈædɪd
 
“[But] the technology remains at an early stage,” he added.
NV RJ SD
"And
ænd
 
N AR SD
much
mʌʧ
 
NVAR SD
more
mɔr
 
NVA SD
work
wɜrk
 
NV
is
ɪz
 
VA
needed
ˈnidəd
ˈnidɪd
NV R PSD
to
tu
 
NV SD
make
meɪk
 
N AR SD
sure
ʃʊr
 
N ARJ SD
that
ðæt
 
R D
the
ðə(ði)
 
N D
technique
tɛkˈnik
 
NV
is
ɪz
 
NVA S
safe
seɪf
 
NV RJ SD
and
ænd
 
 
optimized
 
 
RJPSD
before
bɪˈfɔr
ˌbiˈfɔr
SD
we
wi
 
V
ascertain
ˌæsərˈteɪn
 
J SD
whether
ˈwɛðər
 
N A SD
these
ðiz
 
NV
eggs
ɛgz
 
NV SD
remain
rɪˈmeɪn
 
N A S
normal
ˈnɔrməl
 
V PSD
during
ˈdʊrɪŋ
 
R D
the
ðə(ði)
 
NVA S
process,
ˈprɑˌsɛs
ˈprɔˌsɛs
NV RJ SD
and
ænd
 
NV SD
can
kæn
 
 
-
 
 
NV SD
form
fɔrm
 
N
embryos
ˈɛmbriˌoʊz
 
N ARJ SD
that
ðæt
 
NV D
could
kʊd
 
NVA SD
lead
lid
lɛd
NV R PSD
to
tu
 
A D
healthy
ˈhɛlθi
 
NV
babies.
ˈbeɪbiz
 
 
"
 
 
 
“And much more work is needed to make sure that the technique is safe and optimized before we ascertain whether these eggs remain normal during the process, and can - form embryos that could lead to healthy babies.”
 
Darren
 
 
N
Griffin
ˈgrɪfɪn
 
NV
is
ɪz
 
 
a
ə
 
genetics
ʤəˈnɛtɪks
 
N S
professor
prəˈfɛsər
 
N A PSD
at
æt
 
N
Kent
kɛnt
 
N A SD
University
ˌjunəˈvɜrsəti
 
NVAR PSD
in
ɪn
 
R D
the
ðə(ði)
 
VA
United
juˈnaɪtəd
juˈnaɪtɪd
N
Kingdom.
ˈkɪŋdəm
 
 
Darren Griffin is a genetics professor at Kent University in the United Kingdom.
N A SD
He
hi
 
V
called
kɔld
 
R D
the
ðə(ði)
 
NVA SD
work
wɜrk
 
 
a
ə
NVA
surprising
sərˈpraɪzɪŋ
səˈpraɪzɪŋ
N A S
technical
ˈtɛknɪkəl
 
N
success.
səkˈsɛs
 
 
He called the work a surprising technical success.
N J SD
If
ɪf
 
N
success
səkˈsɛs
 
NV RJ SD
and
ænd
 
NVA D
safety
ˈseɪfti
 
NV
rates
reɪts
 
NV D
were
wɜr
 
VA
improved,
ɪmˈpruvd
 
N A SD
it
ɪt
 
NV D
could
kʊd
 
NV SD
help
hɛlp
 
N A S
future
ˈfjuʧər
 
N SD
cancer
ˈkænsər
 
N
patients
ˈpeɪʃənts
ˈpeɪʃənz
NVA
receiving
rəˈsivɪŋ
rɪˈsivɪŋ
N
chemotherapy
ˌkimoʊˈθɛrəpi
 
N S
treatment
ˈtritmənt
 
V SD
protect
prəˈtɛkt
pərˈtɛkt
R D
their
ðɛr
 
 
fertility,
 
 
VA D
said
sɛd
 
N
Griffin.
ˈgrɪfɪn
 
 
If success and safety rates were improved, it could help future cancer patients receiving chemotherapy treatment protect their fertility, said Griffin.
N A SD
It
ɪt
 
NV D
could
kʊd
 
RJ SD
also
ˈɔlsoʊ
 
V S
improve
ɪmˈpruv
 
 
fertility
 
 
N
treatments,
ˈtritmənts
 
NV RJ SD
and
ænd
 
V
deepen
ˈdipən
 
A D
scientific
ˌsaɪənˈtɪfɪk
 
NVA D
understanding
ˌʌndərˈstændɪŋ
 
N PSD
of
ʌv
 
R D
the
ðə(ði)
 
N S
biology
baɪˈɑləʤi
 
N PSD
of
ʌv
 
R D
the
ðə(ði)
 
AR
earliest
ˈɜrliəst
 
NV
stages
ˈsteɪʤəz
ˈsteɪʤɪz
N PSD
of
ʌv
 
NVA SD
human
ˈhjumən
ˈjumən
N A SD
life.
laɪf
 
 
It could also improve fertility treatments, and deepen scientific understanding of the biology of the earliest stages of human life.
 
I'm
aɪm
əm
N
Pete
pit
 
N
Musto.
ˈmʌstoʊ
 
 
I'm Pete Musto.
N
Kate
keɪt
 
 
Kelland
 
 
V
reported
ˌriˈpɔrtəd
rɪˈpɔrtəd
N AR SD
this
ðɪs
 
NV S
story
ˈstɔri
 
JPSD
for
fɔr
 
R D
the
ðə(ði)
 
N
Reuters
ˈrɔɪtərz
 
NV S
news
nuz
njuz
NVA SD
service.
ˈsɜrvəs
ˈsɜrvɪs
 
Kate Kelland reported this story for the Reuters news service.
N
Pete
pit
 
N
Musto
ˈmʌstoʊ
 
VA
adapted
əˈdæptəd
əˈdæptɪd
N A SD
it
ɪt
 
JPSD
for
fɔr
 
 
VOA
vi-oʊ-eɪ
 
NV
Learning
ˈlɜrnɪŋ
 
NVA
English.
ˈɪŋglɪʃ
ˈɪŋlɪʃ
 
Pete Musto adapted it for VOA Learning English.
 
Hai
 
 
NV R SD
Do
du
doʊ
V
was
wʌz
wɑz
R D
the
ðə(ði)
 
N
editor.
ˈɛdətər
ˈɛdɪtər
 
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A PSD
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