Micro,
Год журнала:
2024,
Номер
4(4), С. 734 - 750
Опубликована: Ноя. 27, 2024
Mycoplasma
infections
pose
significant
challenges
in
the
poultry
industry,
necessitating
effective
therapeutic
interventions.
Tiamulin,
a
veterinary
antibiotic,
has
demonstrated
efficacy
against
species.
However,
emergence
of
resistant
species
could
dramatically
reduce
potential,
contributing
to
economic
losses.
Optimizing
tiamulin’s
pharmacokinetic
profile
via
nanocarrier
incorporation
enhance
its
potential
and
administration
frequency,
ultimately
reducing
strain
emergence.
Niosomes,
type
self-assembled
non-ionic
surfactant-based
nanocarrier,
have
emerged
as
promising
drug
delivery
system,
offering
improved
stability,
sustained
release,
enhanced
bioavailability.
In
this
study,
niosomal
nanocarriers
encapsulating
tiamulin
were
prepared,
characterized
assessed
Mycoplasma-inoculated
broilers
following
oral
administration.
Differential
scanning
colorimetry
(DSC)
confirmed
alterations
crystalline
state
components
integration
into
structures
formed
during
formulation
procedure.
Transmission
electron
microscopy
(TEM)
showed
spherical
nanostructure
niosomes.
The
formulated
exhibited
zeta
average
hydrodynamic
diameter
−10.65
±
1.37
mV
339.67
30.88
nm,
respectively.
Assessment
parameters
gallisepticum-infected
revealed
ability
increase
bioavailability
systemic
exposure,
marked
by
significantly
higher
area
under
curve
(AUC)
(p
<
0.01)
prolonged
elimination
half-life
(T1/2)
0.05).
Enhanced
residence
time
are
crucial
factors
maintaining
concentrations
at
reduced
doses
frequencies.
This
approach
provides
viable
strategy
decrease
risk
subtherapeutic
levels,
thereby
mitigating
development
antibiotic
resistance.
findings
presented
herein
offer
sustainable
for
efficient
use
antibiotics
medicine.
RSC Advances,
Год журнала:
2024,
Номер
14(12), С. 8583 - 8601
Опубликована: Янв. 1, 2024
Combining
sonochemistry
with
phytochemistry
is
a
modern
trend
in
the
biosynthesis
of
metallic
nanoparticles
(NPs),
which
contributes
to
sustainability
chemical
processes
and
minimizes
hazardous
effects.
RSC Advances,
Год журнала:
2024,
Номер
14(7), С. 4666 - 4691
Опубликована: Янв. 1, 2024
Despite
the
advancements
in
cancer
therapies
during
past
few
years,
chemo/photo
resistance,
severe
toxic
effects,
recurrence
of
metastatic
tumors,
and
non-selective
targeting
remain
incomprehensible.
Abstract
Chemoresistance
and
severe
toxicities
represent
major
drawbacks
of
chemotherapy.
Natural
extracts,
including
the
essential
oils
Pistacia
lentiscus
(PLEO),
exhibit
substantial
anticancer
anti-inflammatory
activities
where
different
cancers
are
reported
to
dramatically
recess
following
targeting
with
PLEO.
PLEO
has
promising
antimicrobial,
anticancer,
properties.
However,
therapeutic
properties
restricted
by
limited
stability,
bioavailability,
ability.
nanoformulation
can
maximize
their
physicochemical
properties,
overcoming
shortcomings.
Hence,
was
extracted
its
chemical
composition
determined
GC–MS.
5-Fluorouracil
(5FU)
were
electrospun
into
poly-ε-caprolactone
nanofibers
(PCL-NFs),
290.71
nm
680.95
diameter,
investigate
potential
synergistic
against
triple-negative
breast
cancer
cells
(MDA-MB-231),
human
adenocarcinoma
(MCF-7),
skin
melanoma
cell
line
(A375).
The
prepared
(NFs)
showed
enhanced
thermal
stability
remarkable
physical
integrity
tensile
strength.
Biodegradability
studies
prolonged
over
42
days,
supporting
NFs
use
as
a
localized
therapy
tissues
(postmastectomy)
or
melanoma.
Release
revealed
sustainable
release
behaviors
168
h,
higher
released
amounts
5FU
at
pH
5.4,
indicating
abilities
towards
tissues.
loaded
strong
antioxidant
Finally,
either
depicted
greater
compared
free
compounds.
highest
observed
co-loaded
5FU.
developed
5FU-PLEO-PCL-NFs
hold
local
treatment
(post-mastectomy)
minimize
possible
recurrence.
Graphical
Materials Advances,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
The
pursuit
of
effective
drug
delivery
systems
is
critical
in
advancing
cancer
therapies,
particularly
the
realms
chemotherapy,
radiotherapy
and
immunotherapy.
Nanoscale Advances,
Год журнала:
2023,
Номер
5(19), С. 5399 - 5413
Опубликована: Янв. 1, 2023
Herein,
thermo-responsive
liposomes
(TLs)
loaded
with
Asp
(Asp/TLs)
were
produced
by
self-assembling
DPPC,
DSPE-PEG2000,
and
cholesterol.
The
preparation
variables
optimized
using
the
Box-Behnken
design
(BBD).
Asp/TLs
exhibited
an
average
particle
size
of
114.05
±
1.56
nm,
PDI
0.15
0.015,
zeta
potential
-15.24
0.65
mV,
entrapment
efficiency
(EE%)
84.08
2.75%.
In
addition,
under
physiological
conditions,
showed
spherical
shape,
outstanding
stability
thermo-triggered
release
at
38
°C,
reaching
maximum
40
°C.
MTT
assay
that
optimal
highest
cytotoxic
activity
upon
exposure
to
mild
hyperthermia
(40
°C)
against
invasive
triple-negative
breast
cancer
cell
line
(MDA-MB-231)
when
compared
other
preparations.
IC50
was
estimated
0.9
μg
mL-1,
while
free
3.83
mL-1.
As
such,
shown
increase
4-fold
hyperthermia.
values
without
°C
6.6
mL-1
186
respectively.
This
indicated
released
only
placed
apoptosis
revealed
caused
a
remarkable
in
percentage
population
among
both
late
necrosis
quartiles,
as
well
significant
decline
viable
quartile
(P
≤
0.001)
°C).
could
stimulate
intrinsic
pathway
upregulating
apoptotic
genes
Bak
Bax,
downregulating
anti-apoptotic
genes,
BCL-xL
BCL-2.
increased
gene
expression
Bax
4.4-
5.2-folds,
reducing
BCL-2
50%
73%,
TLs
manifested
more
potent
effects
demonstrated
upregulation
Bak,
P53
5.6-,
7.2-,
1.3-folds,
downregulation
70%
85%,
treatment
displayed
most
profile
induced
MDA-MB-231.
RSC Advances,
Год журнала:
2024,
Номер
14(6), С. 4005 - 4024
Опубликована: Янв. 1, 2024
In
the
current
study,
we
biosynthesized
copper
oxide
NPs
(CuO
NPs)
utilizing
essential
oils
extracted
from
Boswellia
carterii
oleogum
resin,
which
served
as
a
bioreductant
and
capping
agent
with
help
of
microwave
energy.
Nanoscale Advances,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Despite
recent
advancements
in
cancer
therapies,
challenges
such
as
severe
toxic
effects,
non-selective
targeting,
resistance
to
chemotherapy
and
radiotherapy,
recurrence
of
metastatic
tumors
persist.
Consequently,
there
has
been
considerable
effort
explore
innovative
anticancer
compounds,
particularly
immunotherapy,
which
offer
the
potential
for
enhanced
biosafety
efficacy
prevention
treatment.
One
avenue
exploration
involves
miRNA-34
(miR-34)
family,
known
its
ability
inhibit
tumorigenesis
across
various
cancers.
Dysregulation
miR-34
observed
several
human
cancers,
it
is
recognized
a
tumor
suppressor
microRNA
due
synergistic
interaction
with
well-established
p53.
However,
have
arisen
therapeutic
application
miR-34a.
These
include
susceptibility
degradation
by
RNase
serum,
limiting
penetrate
capillary
endothelium
reach
target
cells,
well
reports
immunoreactive
adverse
reactions.
Furthermore,
unexpected
side
effects
may
occur,
accumulation
miRNAs
healthy
tissues
interactions
serum
proteins
on
nano-vector
surfaces,
nanoparticle
breakdown
bloodstream
shearing
stress,
unsuccessful
extravasation
nanocarriers
cells
owing
interstitial
fluid
pressure.
these
challenges,
miR-34a
remains
promising
candidate
therapy,
other
members
family
also
shown
inhibiting
cell
proliferation.
While
Pharmaceutics,
Год журнала:
2023,
Номер
16(1), С. 14 - 14
Опубликована: Дек. 20, 2023
Cancer
is
a
global
health
burden
and
one
of
the
leading
causes
death.
Photodynamic
therapy
(PDT)
considered
an
alternative
approach
to
conventional
cancer
treatment.
PDT
utilizes
light-sensitive
compound,
photosensitizers
(PSs),
light
irradiation,
molecular
oxygen
(O2).
This
generates
cytotoxic
reactive
species
(ROS),
which
can
trigger
necrosis
and/
or
apoptosis,
cell
death
in
intended
tissues.
Classical
impose
limitations
that
hinder
their
clinical
applications,
such
as
long-term
skin
photosensitivity,
hydrophobic
nature,
nonspecific
targeting,
toxic
cumulative
effects.
Thus,
nanotechnology
emerged
unorthodox
solution
for
improving
hydrophilicity
targeting
efficiency
PSs.
Among
nanocarriers,
mesoporous
silica
nanoparticles
(MSNs)
have
gained
increasing
attention
due
high
surface
area,
defined
pore
size
structure,
ease
modification,
stable
aqueous
dispersions,
good
biocompatibility,
optical
transparency,
are
vital
PDT.
The
advancement
integrated
MSNs/PDT
has
led
inspiring
multimodal
nanosystem
effectively
treating
malignancies.
review
gives
overview
main
components
mechanisms
process,
effect
on
tumor
cells,
most
recent
studies
reported
benefits
incorporating
PSs
into
integration
with
against
different
cells.
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(4), С. 2070 - 2070
Опубликована: Фев. 8, 2024
Chemotherapy
is
still
the
mainstay
of
treatment
for
triple-negative
breast
cancer
(TNBC)
patients.
Yet
only
20%
TNBC
patients
show
a
pathologic
complete
response
(pCR)
after
neoadjuvant
chemotherapy.
5-Fluorouracil
(5-FU)
stable
cornerstone
in
all
recommended
chemotherapeutic
protocols
However,
patients’
innate
or
acquired
chemoresistance
rate
5-FU
steeply
escalating.
This
study
aims
to
unravel
mechanism
behind
aggressive
cell
line,
MDA-MB-231
cells,
explore
further
role
tumor
suppressor
microRNAs
(miRNAs),
miR-1275,
miR-615-5p,
and
Let-7i,
relieving
TNBC,
finally
provide
translational
therapeutic
approach
co-deliver
respective
miRNA
oligonucleotides
using
chitosan-based
nanoparticles
(CsNPs).
In
this
regard,
cellular
viability
proliferation
were
investigated
MTT
BrdU
assays,
respectively.
was
found
induce
JAK/STAT
PI3K/Akt/mTOR
pathways
cells
with
contaminant
repression
their
upstream
regulators
Let-7i.
Moreover,
CsNPs
prepared
ionic
gelation
method
chosen
studied
as
nanovectors
combination
targeting
TNBC.
The
average
particle
sizes,
surface
charges,
morphologies
different
characterized
dynamic
light
scattering
(DLS)
transmission
electron
microscopy
(TEM),
addition,
encapsulation
efficiency
(EE%),
drug
loading
capacity
(DLC%),
release
manner
at
two
pH
values
assessed.
conclusion,
novel
co-loaded
three
demonstrated
synergistic
activity
remarkable
through
alleviating
5-FU.