Frontiers in Pharmacology,
Journal Year:
2021,
Volume and Issue:
12
Published: July 16, 2021
Objectives:
Memory
decline
caused
by
insufficient
sleep
is
a
critical
public
health
issues
and
currently
lacks
effective
treatments.
This
study
objective
was
to
explore
alleviative
effect
of
melatonin
on
deprivation
(SD)-induced
deficiencies
in
learning
memory.
Materials
Methods:
A
continuous
72
h
SD
mouse
model,
with
or
without
Fer-1
supplementation
were
established.
The
changes
cognitive
function,
iron
homeostasis,
lipid
peroxidation
intracellular
signal
pathways
mice
detected
Morris
water
maze,
antioxidant
assay,
immunohistochemistry,
western
blot,
RT-PCR
Prussian
blue
staining.
In
vitro
,
we
treated
HT-22
cells
ferroptosis
inducer
(Erastin)
further
the
specific
mechanism
ferroptosis.
Results:
Mice
subjected
had
significantly
elevated
latency
path
length
reach
hidden
platform,
as
well
decrease
number
entries
time
spent
target
zone
when
platform
removed
(
p
<
0.05).
Nevertheless,
inhibitor
(Fer-1)
mitigated
memory
impairment
associated
SD.
Further
evaluation
revealed
an
up-regulation
accumulation,
transferrin
receptor
1
divalent
metal
transporter
expression
ROS
MDA
production,
down-regulation
ferroportin
enzyme
(GPX4
SOD)
mice.
decreased
MT2
rather
than
MT1,
inhibited
ERK/Nrf2
signaling
activation
hippocampus
contrast,
aforementioned
SD-inductions
reversed
using
20
40
mg/kg
pretreatment
Erastin-induced
ferroptosis,
abnormalities
protein
suppression
cells,
however
this
protective
blocked
MT2-,
ERK-
Nrf2-specific
antagonists
Conclusion:
Our
finding
suggested
may
induce
turn
leading
deficits.
Melatonin
alleviated
loss
hippocampal
acute
through
binding
activate
signaling.
Cell Death and Disease,
Journal Year:
2023,
Volume and Issue:
14(3)
Published: March 8, 2023
Abstract
The
maintenance
of
iron
homeostasis
is
essential
for
proper
endocrine
function.
A
growing
body
evidence
suggests
that
imbalance
a
key
factor
in
the
development
several
diseases.
Nowadays,
ferroptosis,
an
iron-dependent
form
regulated
cell
death,
has
become
increasingly
recognized
as
important
process
to
mediate
pathogenesis
and
progression
type
2
diabetes
mellitus
(T2DM).
It
been
shown
ferroptosis
pancreas
β
cells
leads
decreased
insulin
secretion;
liver,
fat,
muscle
induces
resistance.
Understanding
mechanisms
concerning
regulation
metabolism
T2DM
may
lead
improved
disease
management.
In
this
review,
we
summarized
connection
between
metabolic
pathways
molecular
T2DM.
Additionally,
discuss
potential
targets
treating
analysis
current
limitations
future
directions
these
novel
treatment
targets.
Frontiers in Cardiovascular Medicine,
Journal Year:
2022,
Volume and Issue:
9
Published: June 20, 2022
The
pineal
gland
is
a
neuroendocrine
which
produces
melatonin,
hormone
with
critical
physiological
roles
in
the
circadian
rhythm
and
sleep-wake
cycle.
Melatonin
has
been
shown
to
possess
anti-oxidant
activity
neuroprotective
properties.
Numerous
studies
have
that
melatonin
significant
functions
cardiovascular
disease,
may
anti-aging
ability
of
decrease
primary
hypertension
needs
be
more
extensively
evaluated.
benefits
reducing
cardiac
pathology,
preventing
death
muscle
response
ischemia-reperfusion
rodent
species.
Moreover,
also
prevent
hypertrophy
heart
under
some
circumstances,
turn
would
lessen
development
failure.
Several
currently
used
conventional
drugs
show
cardiotoxicity
as
an
adverse
effect.
Recent
acts
effective
suppressing
damage
mediated
by
pharmacologic
drugs.
Therefore,
cardioprotective
multiple
animal
human
studies.
Herein,
we
summarize
most
established
system
focus
on
molecular
mechanisms
action.
Journal of Pineal Research,
Journal Year:
2024,
Volume and Issue:
76(1)
Published: Jan. 1, 2024
Abstract
Seed
germination
(SG)
is
the
first
stage
in
a
plant's
life
and
has
an
immense
importance
sustaining
crop
production.
Abiotic
stresses
reduce
SG
by
increasing
deterioration
of
seed
quality,
reducing
potential,
vigor.
Thus,
to
achieve
sustainable
level
yield,
it
important
improve
under
abiotic
stress
conditions.
Melatonin
(MEL)
biomolecule
that
interplays
developmental
processes
regulates
many
adaptive
responses
plants,
especially
stresses.
this
review
specifically
summarizes
discusses
mechanistic
basis
MEL‐mediated
MEL
regulating
some
stress‐specific
common
responses.
For
instance,
induced
specific
include
regulation
ionic
homeostasis,
hydrolysis
storage
proteins
salinity
stress,
C‐repeat
binding
factors
signaling
cold
starch
metabolism
high
temperature
heavy
metal
activation
aquaporins
accumulation
osmolytes
drought
stress.
On
other
hand,
mediated
gibberellins
biosynthesis
abscisic
acid
catabolism,
redox
Ca
2+
are
amongst
Nonetheless
such
as
endogenous
contents,
plant
species,
growth
conditions
also
influence
above‐mentioned
In
conclusion,
interacting
with
different
physiological
mechanisms.
Cells,
Journal Year:
2019,
Volume and Issue:
8(7), P. 681 - 681
Published: July 5, 2019
Melatonin
is
a
widespread
molecule
among
living
organisms
involved
in
multiple
biological,
hormonal,
and
physiological
processes
at
cellular,
tissue,
organic
levels.
It
well-known
for
its
ability
to
cross
the
blood-brain
barrier,
renowned
antioxidant
effects,
acting
as
free
radical
scavenger,
up-regulating
enzymes,
reducing
mitochondrial
electron
leakage,
interfering
with
proinflammatory
signaling
pathways.
Detected
various
medicinal
food
plants,
concentration
widely
variable.
Plant
generative
organs
(e.g.,
flowers,
fruits),
especially
seeds,
have
been
proposed
having
highest
melatonin
concentrations,
markedly
higher
than
those
found
vertebrate
tissues.
In
addition,
seeds
are
also
rich
other
substances
(lipids,
sugars,
proteins),
constituting
energetic
reserve
potentially
growing
seedling
beneficial
human
diet.
Thus,
given
that
dietary
absorbed
gastrointestinal
tract
transported
into
bloodstream,
ingestion
of
plant
foods
by
mammals
source
may
be
conceived
key
step
serum
modulation
and,
consequently,
health
promotion.
Sustainability,
Journal Year:
2020,
Volume and Issue:
13(1), P. 294 - 294
Published: Dec. 30, 2020
Melatonin,
a
multifunctional
signaling
molecule,
is
ubiquitously
distributed
in
different
parts
of
plant
and
responsible
for
stimulating
several
physiochemical
responses
against
adverse
environmental
conditions
various
systems.
Melatonin
acts
as
an
indoleamine
neurotransmitter
primarily
considered
antioxidant
agent
that
can
control
reactive
oxygen
nitrogen
species
plants.
being
agent,
induces
specific
physiological
plants
might
serve
to
enhance
photosynthesis,
growth,
carbon
fixation,
rooting,
seed
germination
defense
biotic
abiotic
stressors.
It
also
works
important
modulator
gene
expression
related
hormones
such
the
metabolism
indole-3-acetic
acid,
cytokinin,
ethylene,
gibberellin
auxin
carrier
proteins.
Additionally,
regulation
stress-specific
genes
activation
pathogenesis-related
protein
enzyme
under
stress
make
it
more
versatile
molecule.
Because
diversity
action
melatonin,
its
role
development,
behavior
plant’s
master
regulator.
This
review
outlines
main
functions
melatonin
physiology,
development
higher
Its
anti-stressor
stressors,
drought,
salinity,
temperatures,
UV
radiation
toxic
chemicals,
analyzed
critically.
we
have
identified
many
new
aspects
where
may
possible
roles
plants,
example,
function
improving
storage
life
quality
fruits
vegetables,
which
be
useful
enhancing
environmentally
friendly
crop
production
ensuring
food
safety.
Journal of Pineal Research,
Journal Year:
2018,
Volume and Issue:
66(2)
Published: Dec. 31, 2018
Abstract
Melatonin
is
a
signal
molecule
that
modulates
the
biological
circadian
rhythms
of
vertebrates.
deficiency
thought
to
be
associated
with
several
disorders,
including
insomnia,
cancer,
and
cardiovascular
neurodegenerative
diseases.
Accumulating
evidence
has
also
indicated
melatonin
may
involved
in
homeostasis
bone
metabolism.
Age‐related
reductions
are
considered
critical
factors
loss
osteoporosis
aging.
Thus,
serum
levels
might
serve
as
biomarker
for
early
detection
prevention
osteoporosis.
Compared
conventional
antiosteoporosis
medicines,
which
primarily
inhibit
loss,
both
suppresses
promotes
new
formation.
Mechanistically,
by
activating
receptor
2
(MT2),
upregulates
gene
expression
alkaline
phosphatase
(ALP),
morphogenetic
protein
(BMP2),
BMP6,
osteocalcin,
osteoprotegerin
promote
osteogenesis
while
inhibiting
activator
NF‐kB
ligand
(RANKL)
pathway
suppress
osteolysis.
In
view
distinct
actions
on
metabolism,
we
hypothesize
novel
remedy
clinical
treatment
Physiology,
Journal Year:
2020,
Volume and Issue:
35(2), P. 86 - 95
Published: Feb. 6, 2020
In
cancer
cells,
glucose
is
primarily
metabolized
to
pyruvate
and
then
lactate
in
the
cytosol.
By
allowing
conversion
of
acetyl-CoA
mitochondria,
melatonin
reprograms
metabolism
cells
a
normal
cell
phenotype.
Acetyl-CoA
mitochondria
also
serves
as
necessary
co-factor
for
rate-limiting
enzyme
synthesis,
thus
ensuring
production
cells.