Multiple myeloma: clinical characteristics, current therapies and emerging innovative treatments targeting ribosome biogenesis dynamics
Clinical & Experimental Metastasis,
Год журнала:
2024,
Номер
41(6), С. 829 - 842
Опубликована: Авг. 20, 2024
Multiple
myeloma
(MM)
is
a
clinical
disorder
characterized
by
aberrant
plasma
cell
growth
in
the
bone
marrow
microenvironment.
Globally,
prevalence
of
MM
has
been
steadily
increasing
at
an
alarming
rate.
In
United
States,
more
than
30,000
cases
will
be
diagnosed
2024
and
it
accounts
for
about
2%
cancer
diagnoses
deaths,
double
worldwide
figure.
Both
symptomatic
active
are
distinguished
uncontrolled
growth,
which
results
severe
renal
impairment,
anemia,
hypercalcemia,
loss.
drugs
have
approved
FDA
now
widely
used
practice
MM.
Although
triplet
quadruplet
induction
regimens,
autologous
stem
transplantation
(ASCT),
maintenance
treatment
used,
continues
to
incurable
illness
relapses
that
may
occur
various
phases
its
progression.
patients
with
frailty,
extramedullary
disease,
leukemia,
central
nervous
system
recurrence,
functional
high
risk,
elderly
among
those
greatest
current
unmet
needs.
The
cost
care
additional
challenge.
cells
highly
protein
secretary
thus
dependent
on
activation
certain
translation
pathways.
also
chance
altering
ribosomal
protein-encoding
genes
like
MYC
mutation.
this
article
we
discuss
importance
ribosome
biogenesis
promoting
RNA
polymerase
I
inhibition
as
upcoming
potential
promise
patients.
Язык: Английский
Exploring the Role of Hypoxia and HIF-1α in the Intersection of Type 2 Diabetes Mellitus and Endometrial Cancer
Current Oncology,
Год журнала:
2025,
Номер
32(2), С. 106 - 106
Опубликована: Фев. 13, 2025
Diabetes
and
Cancer
are
the
most
complex
chronic
diseases,
accounting
for
significant
global
mortality
morbidity.
The
association
between
Type
2
DM
(T2DM)
endometrial
cancer
(EC)
is
multifaced,
sharing
numerous
risk
factors,
including
insulin
resistance,
obesity,
hypoxia,
oxidative
stress.
Hypoxia
plays
a
vital
role
in
T2DM
pathogenesis
by
altering
level
pancreatic
β-cell
failure
through
an
imbalance
antioxidant
enzymes
cellular
levels,
while
inflammation
contributes
to
EC
malignancy.
HIF-1α
potent
transcription
factor
involved
modulating
responses
hypoxia
within
disease
environment.
Targeting
signaling
cascade,
major
metabolic
regulator
may
contribute
advanced
therapeutic
advances.
This
review
focuses
on
EC,
especially
focusing
HIF
pathways.
These
intersect
with
key
pathways
pathology,
such
as
signaling,
PI3K/AKT,
mTOR
pathway,
MUC1/HIF-1α
hormonal
imbalance.
Understanding
this
relationship
paves
way
future
researchers
develop
HIF-1α-targeted
therapies
that
could
lead
novel
combination
treat
these
comorbid
conditions.
Язык: Английский
The Effect of Valine on the Synthesis of α-Casein in MAC-T Cells and the Expression and Phosphorylation of Genes Related to the mTOR Signaling Pathway
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(7), С. 3179 - 3179
Опубликована: Март 29, 2025
This
study
utilized
MAC-T
cells
cultured
in
vitro
as
a
model
to
investigate
the
effects
of
varying
concentrations
valine
on
α-casein
synthesis
and
its
underlying
regulatory
mechanisms.
In
this
experiment,
were
subjected
12
h
starvation
period,
followed
by
addition
range
(a
total
seven
concentrations:
0.000,
1.596,
3.192,
6.384,
12.768,
25.536,
51.072
mM,
well
10%
Fetal
Bovine
Serum).
The
suitable
was
determined
using
enzyme-linked
immunosorbent
assays
(ELISAs).
Real-time
fluorescent
quantitative
PCR
(RT-qPCR)
Western
blot
analyses
employed
evaluate
expression
levels
phosphorylation
states
casein
alpha
s1
gene
(CSN1S1),
s2
(CSN1S2)
mTOR
signaling
pathway-related
genes.
functionality
pathway
further
validated
through
rapamycin
(100.000
nM)
inhibition
experiments.
Results
indicated
that
1×
Val
(6.384
mM),
2×
(12.768
4×
(25.536
8×
(51.072
mM)
significantly
enhanced
(p
<
0.01).
Within
concentration
range,
upregulated
CSN1S1,
CSN1S2,
genes
including
RagA
(RRAGA),
RagB
(RRAGB),
RagC
(RRAGC),
RagD
(RRAGD),
mTOR,
raptor
(RPTOR),
4EBP1
(EIF4EBP1),
eukaryotic
initiation
factor
4E
(EIF4E),
S6
Kinase
1
(S6K1)
Notably,
elongation
2
(EEF2)
peaked
at
while
other
reached
their
maximum
mM).
Additionally,
increased
S6K1,
4E-binding
protein-1
(4EBP1),
ribosomal
protein
(RPS6),
eEF2
0.01),
with
highest
RPS6
observed
Rapamycin
treatment
inhibited
0.01);
however,
partially
mitigated
inhibitory
effect.
conclusion,
promotes
activating
pathway,
an
optimal
Язык: Английский
Targeting the mTOR-Autophagy Axis: Unveiling Therapeutic Potentials in Osteoporosis
Rongjin Chen,
Chenhui Yang,
Fei Yang
и другие.
Biomolecules,
Год журнала:
2024,
Номер
14(11), С. 1452 - 1452
Опубликована: Ноя. 15, 2024
Osteoporosis
(OP)
is
a
widespread
age-related
disorder
marked
by
decreased
bone
density
and
increased
fracture
risk,
presenting
significant
public
health
challenge.
Central
to
the
development
progression
of
OP
dysregulation
mechanistic
target
rapamycin
(mTOR)-signaling
pathway,
which
plays
critical
role
in
cellular
processes
including
autophagy,
growth,
proliferation.
The
mTOR-autophagy
axis
emerging
as
promising
therapeutic
due
its
regulatory
capacity
metabolism
homeostasis.
This
review
aims
(1)
elucidate
mTOR
signaling
OP,
(2)
explore
interplay
between
autophagy
context
cell
activity,
(3)
assess
potential
targeting
pathway
with
modulators
innovative
strategies
for
treatment.
By
examining
interactions
among
mTOR,
insights
from
various
types
impact
on
different
cells,
this
underscores
complexity
mTOR's
health.
Despite
advances,
gaps
remain
understanding
detailed
mechanisms
effects
function,
highlighting
need
comprehensive
clinical
trials
establish
efficacy
safety
inhibitors
management.
Future
research
directions
include
clarifying
molecular
investigating
combined
benefits
modulation
other
approaches.
Addressing
these
challenges
crucial
developing
more
effective
treatments
improving
outcomes
individuals
thereby
unveiling
potentials
prevalent
disease.
Язык: Английский