Computational design of multi-epitope vaccine against Hepatitis C Virus infection using immunoinformatics techniques
PLoS ONE,
Journal Year:
2025,
Volume and Issue:
20(1), P. e0317520 - e0317520
Published: Jan. 24, 2025
Hepatitis
C
Virus
(HCV)
is
a
blood
borne
pathogen
that
affects
around
200
million
individuals
worldwide.
Immunizations
against
the
are
intended
to
enhance
T-cell
responses
and
have
been
identified
as
crucial
component
of
successful
antiviral
therapy.
Nevertheless,
attempts
mediate
clinically
relevant
anti-HCV
activity
in
people
mainly
failed,
despite
vaccines
present
satisfactory
progress.
In
this
study,
we
used
an
array
immunoinformatics
approaches
design
multiepitope
peptide-based
vaccine
HCV
by
emphasizing
6
conserved
epitopes
from
viral
protein
NS5B.
The
potential
were
examined
for
their
possible
antigenic
combination
with
each
other
along
GPGPG
linkers
using
structural
modeling
epitope-epitope
interaction
analysis.
An
adjuvant
(β-defensin)
was
introduced
N-terminus
increase
immunogenicity
construct.
Molecular
dynamics
simulation
discloses
most
stable
structure
proposed
vaccine.
designed
potentially
nature
can
form
significant
both
receptors
TLR2
TLR3.
construct
also
subjected
In-Silico
cloning
which
confirmed
its
expression
efficiency
vector.
findings
indicate
multi-epitope
great
preclinical
clinical
research,
important
step
addressing
problems
related
infection.
Language: Английский
Synthesis of an Adjuvant-Free Single Polypeptide-Based Tuberculosis Subunit Vaccine that Elicits In Vivo Immunogenicity in Rats
Supriya Phogat,
No information about this author
Jyoti Yadav,
No information about this author
Darshna Chaudhary
No information about this author
et al.
Molecular Biotechnology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 2, 2025
Language: Английский
Reverse vaccinology approach for identification of epitopes from E1 protein as peptide vaccine against HCV: A proof of concept
Vaccine,
Journal Year:
2024,
Volume and Issue:
42(24), P. 126106 - 126106
Published: July 8, 2024
Language: Английский
Design and evaluation of potent multiepitope broad spectrum DNA and protein vaccine candidates against Leptospirosis
Anita Chauhan,
No information about this author
Dhwani Jhala,
No information about this author
Ritik Thumar
No information about this author
et al.
Microbial Pathogenesis,
Journal Year:
2025,
Volume and Issue:
unknown, P. 107418 - 107418
Published: Feb. 1, 2025
Language: Английский
Subtractive proteomics and reverse-vaccinology approaches for novel drug targets and designing a chimeric vaccine against Ruminococcus gnavus strain RJX1120
Hou Dingding,
No information about this author
Sher Muhammad,
No information about this author
Irfan Manzoor
No information about this author
et al.
Frontiers in Immunology,
Journal Year:
2025,
Volume and Issue:
16
Published: April 14, 2025
Mediterraneibacter
gnavus
,
also
known
as
Ruminococcus
is
a
Gram-positive
anaerobic
bacterium
that
resides
in
the
human
gut
microbiota.
Notably,
this
plays
dual
roles
health
and
disease.
On
one
side
it
supports
nutrient
metabolism
essential
for
bodily
functions
on
other
contributes
to
development
of
Inflammatory
Bowel
Disease
(IBD)
gastrointestinal
disorders.
R.
strain
RJX1120
an
encapsulated
has
been
linked
develop
IBD.
Despite
advances
made
its
role
homeostasis,
limited
information
available
strain-specific
virulence
factors,
metabolic
pathways,
regulatory
mechanisms.
The
study
such
aspects
crucial
make
microbiota-targeted
therapy
understand
implications
host
health.
A
multi-epitope
vaccine
against
was
designed
using
reverse
vaccinology-based
subtractive
proteomics
approach.
Among
3,219
proteins
identified
RJX1120,
two
critical
virulent
antigenic
proteins,
Single-stranded
DNA-binding
protein
SSB
(A0A2N5PT08)
Cell
division
ATP-binding
FtsE
(A0A2N5NK05)
were
screened
potential
targets.
predicted
B-cell
T-cell
epitopes
from
these
immunological
properties
antigenicity,
allergenicity,
solubility,
MHC
binding
affinity,
toxicity.
Epitopes
chosen
cross-linked
suitable
spacers
adjuvant
vaccine.
Structural
refinement
construct
revealed
95.7%
amino
acid
residues
located
favored
regions,
indicating
high-quality
structural
model.
Molecular
docking
analysis
demonstrated
robust
interaction
between
Toll-like
receptor
4
(TLR4),
with
energy
−1277.0
kcal/mol.
results
molecular
dynamics
simulations
further
confirmed
stability
vaccine-receptor
complex
under
physiological
conditions.
In
silico
cloning
yielded
GC
content
48%
Codon
Adaptation
Index
(CAI)
value
1.0,
optimal
expression
system.
These
indicate
possibility
candidate
prevention
-associated
diseases.
However,
experimental
validation
required
confirm
immunogenicity
protective
efficacy.
Language: Английский
Immmunoinformatics-based design of T and B-cell multi-epitope vaccine to combat Borrelia burgdorferi infection
Zhiqiang Chen,
No information about this author
Xun Huang,
No information about this author
Liangyu Zhu
No information about this author
et al.
International Journal of Biological Macromolecules,
Journal Year:
2025,
Volume and Issue:
310, P. 143347 - 143347
Published: April 18, 2025
Language: Английский
Development of a multi-neoepitope vaccine targeting non-small cell lung cancer through reverse vaccinology and bioinformatics approaches
Frontiers in Immunology,
Journal Year:
2025,
Volume and Issue:
16
Published: May 16, 2025
Introduction
Lung
cancer,
predominantly
non-small
cell
lung
cancer
(NSCLC),
is
the
leading
cause
of
cancer-related
mortality
worldwide.
Among
immunotherapeutic
strategies,
personalized
multi-neoepitope
vaccine
(MNEV)
offers
a
promising
approach
for
managing
advanced-stage
NSCLC.
Methods
We
used
reverse
vaccinology,
immunoinformatics,
and
bioinformatics
to
design
an
MNEV
targeting
in
murine
(LL/2)
cells.
Whole
exome
sequencing
(WES)
RNA
data
from
human
mouse
NSCLC
lines
were
analyzed
select
neoantigens,
which
evaluated
their
ability
stimulate
B
cells,
helper
T
lymphocytes
(HTLs),
cytotoxic
(CTLs).
Molecular
docking
studies
estimated
binding
affinity
neoepitopes
with
MHC
class
I,
II,
B-cell
receptors.
Suitable
linkers
selected
construct
MNEV,
50S
L7/L12
ribosomal
protein
sequence
included
as
adjuvant
enhance
immune
responses.
The
immunoglobulin
kappa
(Igκ)
chain
signal
peptide
was
incorporated
improve
secretion
efficiency.
stability
final
complex
TLR3,
TLR4,
TLR9
confirmed
through
analysis
refinement
best-predicted
3D
model.
To
evaluate
immunological
efficacy
female
C57BL/6
mice
immunized
subcutaneously.
Immune
responses
assessed
by
measuring
total
IgG
levels
serum
using
enzyme-linked
immunosorbent
assay
(ELISA)
quantifying
IFN-γ
granzyme
supernatant
cultured
splenocytes.
proportions
CD19+
cells
CD4+
CD8+
determined
flow
cytometric
analysis.
Results
In
silico
evaluations
indicated
that
non-toxic,
non-allergenic,
stable,
exhibiting
high-affinity
interactions
lymphocytes,
CTLs,
HTLs.
Immunization
significantly
increased
levels.
Flow
cytometry
revealed
higher
percentages
Furthermore,
splenocytes
showed
marked
increase
compared
control
groups.
Discussion
This
study
demonstrates
induces
robust
strong
response,
highlighting
its
potential
prevention
immunotherapy,
particularly
it
provides
foundation
developing
neoepitope-based
vaccines
against
various
malignancies,
guiding
future
research
development
advanced
computational
methods
immunology
oncology.
Language: Английский
Immunoinformatics and Reverse Vaccinology Approach for the Identification of Potential Vaccine Candidates against Vandammella animalimors
Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(7), P. 1270 - 1270
Published: June 22, 2024
Vandammella
animalimorsus
is
a
Gram-negative
and
non-motile
bacterium
typically
transmitted
to
humans
through
direct
contact
with
the
saliva
of
infected
animals,
primarily
biting,
scratches,
or
licks
on
fractured
skin.
The
absence
confirmed
post-exposure
treatment
V.
highlights
imperative
for
developing
an
effective
vaccine.
We
intended
determine
potential
vaccine
candidates
paradigm
chimeric
against
by
accessible
public
data
analysis
strain
utilizing
reverse
vaccinology.
By
subtractive
genomics,
five
outer
membranes
were
prioritized
as
out
2590
proteins.
Based
instability
index
transmembrane
helices,
multidrug
transporter
protein
locus
ID
A0A2A2AHJ4
was
designated
candidate
construct.
Sixteen
immunodominant
epitopes
retrieved
Immune
Epitope
Database.
epitope
encodes
strong
binding
affinity,
nonallergenic
properties,
non-toxicity,
high
antigenicity
scores,
solubility
revealing
more
appropriate
linkers
adjuvants
alongside
suitable
adjuvant
molecule,
integrated
into
enhance
immunogenicity,
successfully
eliciting
both
adaptive
innate
immune
responses.
Moreover,
promising
physicochemical
features,
confirmation
major
receptor
TLR-4,
molecular
dynamics
simulations
designed
have
revealed
selected
candidate.
integration
computational
methods
omics
has
demonstrated
significant
advantages
in
discovering
novel
targets
mitigating
failure
rates
during
clinical
trials
recent
years.
Language: Английский
Advances of computational methods enhance the development of multi-epitope vaccines
Yiwen Wei,
No information about this author
Tianyi Qiu,
No information about this author
Yisi Ai
No information about this author
et al.
Briefings in Bioinformatics,
Journal Year:
2024,
Volume and Issue:
26(1)
Published: Nov. 22, 2024
Vaccine
development
is
one
of
the
most
promising
fields,
and
multi-epitope
vaccine,
which
does
not
need
laborious
culture
processes,
an
attractive
alternative
to
classical
vaccines
with
advantage
safety,
efficiency.
The
rapid
algorithms
accumulation
immune
data
have
facilitated
advancement
computer-aided
vaccine
design.
Here
we
systemically
reviewed
in
silico
resource,
for
different
steps
computational
design,
including
immunogen
selection,
epitope
prediction,
construction,
optimization,
evaluation.
performance
available
tools
on
prediction
immunogenicity
evaluation
was
tested
compared
benchmark
datasets.
Finally,
discuss
future
research
direction
construction
a
multiepitope
vaccine.
Language: Английский