Global Temporal Trends And Projections of Acute Hepatitis E Incidence Among Women of Childbearing Age: Age-Period-Cohort Analysis 2021
Deliang Huang,
Huiyi Lai,
Xia Shi
и другие.
Journal of Infection,
Год журнала:
2024,
Номер
89(4), С. 106250 - 106250
Опубликована: Авг. 23, 2024
Acute
hepatitis
E
(AHE)
poses
a
significant
threat
to
global
public
health,
particularly
among
women
of
childbearing
age
(WCBA),
who
are
at
heightened
risk
for
severe
pregnancy-related
complications.
This
study
aimed
delineate
the
temporal
trends
and
project
future
incidence
AHE
in
WCBA,
providing
insights
crucial
targeted
prevention
control
strategies.
Язык: Английский
Viral Hepatitis: Host Immune Interaction, Pathogenesis and New Therapeutic Strategies
Pathogens,
Год журнала:
2024,
Номер
13(9), С. 766 - 766
Опубликована: Сен. 5, 2024
Viral
hepatitis
is
a
major
cause
of
liver
illness
worldwide.
Despite
advances
in
the
understanding
these
infections,
pathogenesis
remains
complex
process
driven
by
intricate
interactions
between
viruses
and
host
cells
at
molecular
level.
This
paper
will
examine
detail
dynamics
host-pathogen
interactions,
highlighting
key
mechanisms
that
regulate
virus
entry
into
hepatocyte,
their
replication,
evasion
immune
responses,
induction
hepatocellular
damage.
The
unique
strategies
employed
different
viruses,
such
as
B,
C,
D,
E
to
exploit
metabolic
cell
signaling
pathways
advantage
be
discussed.
At
same
time,
innate
adaptive
responses
put
place
counter
viral
infection
analyzed.
Special
attention
paid
genetic,
epigenetic,
environmental
factors
modulate
individual
susceptibility
forms
hepatitis.
In
addition,
this
work
highlight
latest
findings
on
persistence
leading
chronic
state
potential
implications
for
development
new
therapeutic
strategies.
Fully
crucial
identifying
targets,
developing
more
effective
approaches
treatment,
shedding
light
underlying
progression
advanced
stages
Язык: Английский
Production and Characterization of Self-Assembled Virus-like Particles Comprising Capsid Proteins from Genotypes 3 and 4 Hepatitis E Virus (HEV) and Rabbit HEV Expressed in Escherichia coli
Viruses,
Год журнала:
2024,
Номер
16(9), С. 1400 - 1400
Опубликована: Авг. 31, 2024
The
zoonotic
transmission
of
hepatitis
E
virus
(HEV)
genotypes
3
(HEV-3)
and
4
(HEV-4),
rabbit
HEV
(HEV-3ra)
has
been
documented.
Vaccination
against
infection
depends
on
the
capsid
(open
reading
frame
2,
ORF2)
protein,
which
is
highly
immunogenic
elicits
effective
virus-neutralizing
antibodies.
Escherichia
coli
(E.
coli)
utilized
as
an
system
for
producing
HEV-like
particles
(VLPs).
However,
research
production
ORF2
proteins
from
these
in
E.
to
form
VLPs
modest.
In
this
study,
we
constructed
21
recombinant
plasmids
expressing
various
N-terminally
C-terminally
truncated
HEV-3,
HEV-3ra,
HEV-4
coli.
We
successfully
obtained
nine
two
ten
proteins,
were
primarily
localized
inclusion
bodies.
These
solubilized
M
urea,
filtered,
subjected
gel
filtration.
Results
revealed
that
six
one
could
assemble
into
VLPs.
purified
displayed
molecular
weights
ranging
27.1
63.4
kDa
demonstrated
high
purity
(74.7–95.3%),
assessed
by
bioanalyzer,
with
yields
13.9–89.6
mg
per
100
mL
TB
medium.
Immunoelectron
microscopy
confirmed
origin
ORF2.
Antigenicity
testing
indicated
possess
characteristic
antigenicity.
Evaluation
immunogenicity
Balb/cAJcl
mice
robust
anti-HEV
IgG
responses,
highlighting
potential
immunogens.
findings
suggest
generated
different
serve
valuable
tools
vaccine
development.
Язык: Английский
Palmitoylation-dependent association with Annexin II directs hepatitis E virus ORF3 sorting into vesicles and quasi-enveloped virions
Proceedings of the National Academy of Sciences,
Год журнала:
2024,
Номер
122(1)
Опубликована: Дек. 30, 2024
Historically
considered
to
be
nonenveloped,
hepatitis
E
virus
(HEV),
an
important
zoonotic
pathogen,
has
recently
been
discovered
egress
from
infected
cells
as
quasi-enveloped
virions.
These
virions
circulating
in
the
blood
are
resistant
neutralizing
antibodies,
thereby
facilitating
stealthy
spread
of
infection.
Despite
abundant
evidence
essential
role
HEV-encoded
ORF3
protein
formation,
underlying
mechanism
remains
unclear.
Here,
we
demonstrate
that
HEV
possesses
inherent
capacity
for
self-secretion
and
palmitoylation
at
two
cysteine
residues
within
N-terminal
region
is
its
secretion
formation.
We
further
found
only
palmitoylated
proteins
hijacked
Annexin
II
transport
cytoskeleton
then
directed
into
multivesicular
bodies
through
nSMase-endosomal
sorting
complexes
required
transport-III
pathway
secretion.
Finally,
show
infection
gerbils
with
mutants
harboring
mutations
sites
showed
no
fecal
viral
shedding
but
competent
replication
liver.
Our
study
fills
a
gap
understanding
assembly
release
mediated
by
offers
potential
designing
therapeutic
strategies
control
Язык: Английский
A Hepatitis E Virus Infection Model in the Mongolian Gerbil: Ready for Antiviral and Vaccine Studies
Gastroenterology,
Год журнала:
2024,
Номер
167(4), С. 652 - 653
Опубликована: Май 23, 2024
Язык: Английский
Advances in the Elimination of Viral Hepatitis in Mexico: A Local Perspective on the Global Initiative
Pathogens,
Год журнала:
2024,
Номер
13(10), С. 859 - 859
Опубликована: Окт. 1, 2024
Viral
hepatitis
(A–E)
presents
a
major
global
health
challenge.
In
2015,
the
World
Health
Organization
(WHO)
launched
an
initiative
to
eliminate
viral
hepatitis,
with
aim
of
reducing
new
infections
by
90%
and
deaths
65%
2030.
Mexico
is
one
38
focus
countries
identified
WHO,
collectively
accounting
for
80%
deaths.
While
B
C
are
commonly
diagnosed
in
Mexico,
routine
diagnosis
D
E
lacking,
no
specific
epidemiological
data
available.
2020,
implemented
National
Hepatitis
Elimination
Program,
focusing
on
preventing
infections,
complications
like
cirrhosis
hepatocellular
carcinoma,
ensuring
access
treatment,
improving
patient
care.
However,
this
program
has
not
been
extended
E.
Addressing
challenges
control
requires
increased
resource
allocation,
expanded
diagnosis,
vaccination
A
B,
treatment
coverage
C,
along
multisectoral
engagement.
This
work
provides
overview
Mexico’s
response
initiative,
highlighting
its
progress,
challenges,
areas
opportunity.
Язык: Английский