Frontiers in Endocrinology,
Journal Year:
2023,
Volume and Issue:
14
Published: June 29, 2023
Stress
and
infertility
form
a
complex
relationship.
In
line
with
this,
various
stress-related
biological
markers
have
been
investigated
in
infertility.This
systematic
review
was
performed
using
PRISMA
guidelines
(i)
to
report
whether
cortisol
is
highly
present
infertile
patients
compared
fertile
control;
(ii)
there
any
significant
difference
the
level
subjects
that
conceive
those
didn't
at
end
of
assisted
reproduction
treatments.
Original
articles
involving
human
(male
female)
as
were
extracted
from
four
electronic
databases,
including
list
references
published
papers.
Sixteen
original
full-length
male
(4),
female
(11),
both
genders
(1)
included.Findings
studies
between
indicate
Male:
three
reported
elevated
one
found
no
difference;
Female:
increased
difference.
Findings
measured
conceived
study
conceived,
whereas
two
unable
conceive.
Five
groups.In
we
only
included
value
prior
stimulation
or
IVF
treatment
during
natural
spontaneous
cycles,
despite
are
still
variations
sampling
period,
assessment
techniques
patients'
characteristics.
Hence,
present,
conclude
significantly
patients.
We
warrant
future
standardize
time
sample
collection
other
limitations
addressed
negate
unwanted
influencing
factors.
Ageing Research Reviews,
Journal Year:
2021,
Volume and Issue:
70, P. 101378 - 101378
Published: June 4, 2021
The
oocyte
is
recognised
as
the
largest
cell
in
mammalian
species
and
other
multicellular
organisms.
Mitochondria
represent
a
high
proportion
of
cytoplasm
oocytes
mitochondrial
architecture
different
than
somatic
cells,
characterised
by
rounder
appearance
fragmented
network.
Although
number
mitochondria
per
higher
any
cell,
their
activity
decrease
with
advancing
age.
integrate
numerous
processes
essential
for
cellular
function,
such
metabolic
related
to
energy
production,
biosynthesis,
waste
removal,
well
Ca2+
signalling
reactive
oxygen
(ROS)
homeostasis.
Further,
are
responsible
adaptation
types
stressors
oxidative
stress
or
DNA
damage.
When
these
outstrip
adaptive
capacity
restore
homeostasis,
it
leads
dysfunction.
Decades
studies
indicate
that
function
multifaceted,
which
reflected
oocyte,
where
support
during
maturation,
fertilization,
early
embryonic
development.
Dysregulation
has
been
consistently
reported
ageing
age-related
diseases.
In
this
review,
we
describe
functions
bioenergetic
powerhouses
signal
transducers
oocytes,
how
dysfunction
contributes
reproductive
ageing,
whether
could
be
targeted
promote
rejuvenation.
The Journal of Clinical Endocrinology & Metabolism,
Journal Year:
2023,
Volume and Issue:
108(8), P. 1835 - 1874
Published: June 16, 2023
Multiple
changes
occur
across
various
endocrine
systems
as
an
individual
ages.
The
understanding
of
the
factors
that
cause
age-related
and
how
they
should
be
managed
clinically
is
evolving.
This
statement
reviews
current
state
research
in
growth
hormone,
adrenal,
ovarian,
testicular,
thyroid
axes,
well
osteoporosis,
vitamin
D
deficiency,
type
2
diabetes,
water
metabolism,
with
a
specific
focus
on
older
individuals.
Each
section
describes
natural
history
observational
data
individuals,
available
therapies,
clinical
trial
efficacy
safety
key
points,
scientific
gaps.
goal
this
to
inform
future
refines
prevention
treatment
strategies
age-associated
conditions,
improving
health
Geroscience,
a
burgeoning
discipline
at
the
intersection
of
aging
and
disease,
aims
to
unravel
intricate
relationship
between
process
pathogenesis
age-related
diseases.
This
paper
explores
pivotal
role
played
by
geroscience
in
reshaping
our
understanding
pathology,
with
particular
focus
on
These
diseases,
spanning
cardiovascular
cerebrovascular
disorders,
malignancies,
neurodegenerative
conditions,
significantly
contribute
morbidity
mortality
older
individuals.
We
delve
into
fundamental
cellular
molecular
mechanisms
underpinning
aging,
including
mitochondrial
dysfunction
senescence,
elucidate
their
profound
implications
for
various
Emphasis
is
placed
importance
assessing
key
biomarkers
biological
age
within
realm
pathology.
also
scrutinize
interplay
senescence
cancer
biology
as
central
area
focus,
underscoring
its
paramount
significance
contemporary
pathological
research.
Moreover,
we
shed
light
integration
anti-aging
interventions
that
target
processes,
such
senolytics,
mitochondria-targeted
treatments,
influence
epigenetic
regulation
domain
pathology
In
conclusion,
concepts
research
heralds
transformative
paradigm
shift
disease
promises
breakthroughs
prevention
treatment.
Frontiers in Endocrinology,
Journal Year:
2022,
Volume and Issue:
13
Published: Aug. 19, 2022
Progressive
loss
of
physiological
integrity
and
accumulation
degenerative
changes
leading
to
functional
impairment
increased
susceptibility
diseases
are
the
main
features
aging.
The
ovary,
key
organ
that
maintains
female
reproductive
endocrine
function,
enters
aging
earlier
faster
than
other
organs
has
attracted
extensive
attention
from
society.
Ovarian
is
mainly
characterized
by
progressive
decline
in
number
quality
oocytes,
regulatory
mechanisms
which
have
yet
be
systematically
elucidated.
This
review
discusses
hallmarks
further
highlight
characteristics
ovarian
attempt
explore
its
clinical
symptoms
underlying
mechanisms.
Finally,
intervention
strategies
related
elaborated,
especially
potential
role
stem
cells
cryopreservation
embryos,
or
tissue
delay
Experimental Gerontology,
Journal Year:
2023,
Volume and Issue:
175, P. 112154 - 112154
Published: March 20, 2023
Aging
is
a
natural
process
that
determined
by
functional
decline
in
cells
and
tissues
as
organisms
are
growing
old,
resulting
an
increase
at
risk
of
disease
death.
To
this
end,
many
efforts
have
been
made
to
control
aging
lifespan
healthspan.
These
led
the
discovery
several
anti-aging
drugs
compounds
such
rapamycin
metformin.
Recently,
alpha-ketoglutarate
(AKG)
has
introduced
potential
metabolite
can
functions
organisms,
thereby
increases
longevity
improves
Unlike
other
synthetic
drugs,
AKG
one
metabolites
tricarboxylic
acid
(TCA)
cycle,
also
known
Krebs
synthesized
body.
It
plays
crucial
role
cell
energy
metabolism,
amino
acid/protein
synthesis,
epigenetic
regulation,
stemness
differentiation,
fertility
reproductive
health,
cancer
behaviors.
exerts
its
effects
through
different
mechanisms
inhibiting
mTOR
ATP-synthase,
modulating
DNA
histone
demethylation
reducing
ROS
formation.
Herein,
we
summarize
recent
findings
AKG-related
healthspan
studies
discuss
associated
molecular
involved
increasing
longevity,
improving
reproduction,
stem
behavior.
We
promises
limitations
for
delaying
applications.
Advanced Science,
Journal Year:
2023,
Volume and Issue:
11(4)
Published: Nov. 30, 2023
Abstract
Female
fecundity
declines
in
a
nonlinear
manner
with
age
during
the
reproductive
years,
even
as
ovulatory
cycles
continue,
which
reduces
female
fertility,
disrupts
metabolic
homeostasis,
and
eventually
induces
various
chronic
diseases.
Despite
this,
aging‐related
cellular
molecular
changes
human
ovaries
that
occur
these
years
have
not
been
elucidated.
Here,
single‐cell
RNA
sequencing
(scRNA‐seq)
of
is
performed
from
different
childbearing
ages
reveals
activation
pyroptosis
pathway
increased
age,
mainly
macrophages.
The
enrichment
pyroptotic
macrophages
leads
to
switch
tissue‐resident
macrophage
(TRM)‐involve
immunoregulatory
microenvironment
young
monocyte‐derived
(MDM)‐involved
proinflammatory
middle‐aged
ovaries.
This
remolded
ovarian
immuno‐microenvironment
further
promotes
stromal
cell
senescence
accelerated
decline.
hypothesis
validated
series
animal
experiments
using
GSDMD‐KO
mice.
In
conclusion,
work
expands
current
understanding
aging
process
by
illustrating
macrophage‐involved
immune
mechanism,
has
important
implications
for
development
novel
strategies
delay
promote
health.
Current Medicinal Chemistry,
Journal Year:
2023,
Volume and Issue:
30(40), P. 4506 - 4532
Published: Jan. 27, 2023
Hydrogen
sulfide
(H2S)
is
an
endogenous
gaseous
molecule
present
in
all
living
organisms
that
has
been
traditionally
studied
for
its
toxicity.
Interestingly,
increased
understanding
of
H2S
effects
organ
physiology
recently
shown
relevance
as
a
signalling
molecule,
with
potentially
important
implications
variety
clinical
disorders,
including
cancer.
primarily
produced
mammalian
cells
under
various
enzymatic
pathways
are
target
intense
research
biological
mechanisms,
and
therapeutic
H2S.
Herein,
we
describe
the
physiological
biochemical
properties
H2S,
leading
to
production
catabolic
routes.
In
addition,
discuss
role
currently
known
H2S-releasing
agents,
or
donors,
their
potential
tools.
Then
illustrate
mechanisms
support
pleiotropic
particular
focus
on
persulfhydration,
which
plays
key
H2S-mediating
pathways.
We
then
address
paradoxical
played
by
tumour
biology
exploiting
levels
novel
cancer
biomarkers
diagnostic
Finally,
most
recent
preclinical
applications
focused
assessing
anti-cancer
impact
common
compounds.
While
evidence
favour
alternative
therapy
field
translational
medicine
yet
be
clearly
provided,
application
emerging
potent
anticancer
trails.
Stem Cell Research & Therapy,
Journal Year:
2021,
Volume and Issue:
12(1)
Published: June 2, 2021
Abstract
Background
Age-related
diminished
ovarian
reserve
(AR-DOR)
reduced
the
quality
of
oocytes,
resulting
in
decreased
female
fertility.
Aging
is
tightly
related
to
abnormal
distribution
and
function
mitochondria,
while
mitophagy
a
major
process
maintain
normal
quantity
mitochondria
cells,
especially
oocytes
which
containing
large
number
meet
demand
energy
production
during
oocyte
maturation
subsequent
embryonic
development.
Ampk/FoxO3a
signaling
crucial
regulation
mitophagy.
It
reported
mesenchymal
stem
cells
(MSCs)
can
improve
function.
Here
we
aim
explore
if
human
amnion-derived
(hAMSCs)
are
effective
improving
AR-DOR
mice
whether
involved.
Methods
The
model
were
established
by
32-week-old
with
3–8
litters,
significantly
low
serum
sex
hormone
levels
follicle
counts.
old
divided
into
5
treatment
groups:
saline
(NS,
control),
1%
albumin
(HSA,
resolver),
dose
(LD,
5.0
×
10
6
cells/kg),
middle
(MD,
7.5
high
(HD,
10.0
cells/kg).
prepared
hAMSCs
injected
through
tail
vein.
Serum
level,
counts,
fertilization
rate,
gestation
little
size,
apoptosis
granulosa
stromal
expression
level
Sod2,
Ampk,
ratio
phosphorylated
FoxO3a
total
ovaries
examined.
Results
Our
results
show
that
after
hAMSC
transplantation,
was
improved,
meanwhile
repressed,
Ampk
both
increased,
increased
Sod2
also
observed.
Conclusion
demonstrate
transplantation
via
tail-injection
pathway.