RSC Chemical Biology,
Journal Year:
2023,
Volume and Issue:
5(2), P. 131 - 140
Published: Nov. 7, 2023
Peptide
inhibitors
against
the
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
are
designed
using
a
screening
system
for
peptide-based
containing
an
α-helix
region
(SPICA)
and
structures
predicted
by
AlphaFold2.
Journal of Peptide Science,
Journal Year:
2023,
Volume and Issue:
unknown
Published: Sept. 12, 2023
To
date,
the
severe
acute
respiratory
syndrome
coronavirus‐2
(SARS‐CoV‐2)
COVID‐19
pandemic
continues
to
be
a
potentially
lethal
disease.
Although
both
vaccines
and
specific
antiviral
drugs
have
been
approved,
search
for
more
therapeutic
approaches
is
still
ongoing.
The
infection
mechanism
of
SARS‐CoV‐2
consists
several
stages,
each
one
can
selectively
blocked
disrupt
viral
infection.
Peptides
are
promising
class
compounds,
which
may
suitably
modified
stable,
effective,
selective
towards
replication
step.
latter
two
goals
might
obtained
by
increasing
specificity
and/or
affinity
interaction
with
target
often
imply
stabilization
secondary
structure
active
peptide.
This
review
focused
on
peptides
against
acting
at
different
stages
virus
replication,
including
ACE2‐RBD
interaction,
membrane
fusion
mechanism,
proteolytic
cleavage
proteases.
Therefore,
landscape
presented
herein
provides
useful
springboard
design
new
powerful
therapeutics.
Biology,
Journal Year:
2024,
Volume and Issue:
13(9), P. 675 - 675
Published: Aug. 29, 2024
Peptides
from
heptad
repeat
(HR1
and
HR2)
regions
of
gp41
are
effective
inhibitors
HIV-1
entry
that
block
the
fusion
viral
cellular
membranes,
but
generation
antibodies
highly
specific
for
these
peptides
is
challenging.
We
have
previously
described
a
mouse
hybridoma
recognizes
MT-C34-related
derived
HR2.
It
was
used
selection
HIV-1-resistant
CD4
lymphocytes
engineered
to
express
MT-C34
peptide
via
CRISPR/Cas9-mediated
knock-in
into
CXCR4
locus.
In
this
study,
we
cloned
variable
domains
antibody
generated
recombinant
chimeric
(chAb)
by
combining
it
with
constant
humanized
Trastuzumab.
The
new
chAb
displayed
high
specificity
two-fold
higher
level
affinity
than
parental
monoclonal
antibody.
addition,
mediated
up
27–43%
antibody-dependent
cytotoxicity
towards
cells
expressing
on
their
surface.
anti-MT-C34
can
be
easily
using
plasmids
available
research
community
serve
as
valuable
tool
detection,
purification,
even
subsequent
elimination
or
CAR
fight
infection.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Sept. 28, 2023
Abstract
SARS-CoV-2
continues
to
evolve
and
spread.
Recently,
the
Omicron
EG.5
lineage,
bearing
an
additional
F456L
mutation
in
spike
(S)
protein
compared
its
ancestor
XBB.1.9.2,
sub-variant
EG.5.1,
which
carries
a
further
Q52H
mutation,
have
raised
concerns
due
their
increased
prevalence
extended
immune
escape
properties.
Additionally,
alarming
variant,
BA.2.86,
has
also
garnered
global
concern
because
it
contains
over
30
amino
acid
mutations
S
BA.2,
including
more
than
10
changes
receptor-binding
domain
(RBD),
reminiscent
of
appearance
variant
late
2021.
Therefore,
there
is
urgent
need
assess
effectiveness
current
vaccines
therapeutics
against
EG.5,
EG.5.1
BA.2.86.
In
our
previous
work,
we
reported
design
broad-spectrum
antiviral
activity
peptide
fusion
inhibitor
HY3000
variants
XBB.1.5.
Here,
continued
evaluate
inhibitory
potency
prevailing
as
well
XBB.1.16,
FL.1.5.1,
FY.3
Our
data
indicated
that
retained
potent
activities
these
variants,
indicating
potential
good
virus
with
therapeutic
effect
future
variants.
Currently,
been
finished
Phase
II
clinical
trial
China
approved
conduct
investigation
by
U.S.
Food
Drug
Administration
(FDA),
suggesting
application
prospect
ongoing
COVID-19.
RSC Chemical Biology,
Journal Year:
2023,
Volume and Issue:
5(2), P. 131 - 140
Published: Nov. 7, 2023
Peptide
inhibitors
against
the
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
are
designed
using
a
screening
system
for
peptide-based
containing
an
α-helix
region
(SPICA)
and
structures
predicted
by
AlphaFold2.