Biophysical Journal,
Год журнала:
2024,
Номер
123(17), С. 2790 - 2806
Опубликована: Фев. 1, 2024
De
novo
peptide
design
is
a
new
frontier
that
has
broad
application
potential
in
the
biological
and
biomedical
fields.
Most
existing
models
for
de
are
largely
based
on
sequence
homology
can
be
restricted
evolutionarily
derived
protein
sequences
lack
physicochemical
context
essential
folding.
Generative
machine
learning
promising
way
to
synthesize
theoretical
data
on,
but
unique
from,
observable
universe.
In
this
study,
we
created
tested
custom
generative
adversarial
network
intended
fold
into
β-hairpin
secondary
structure.
This
deep
neural
model
designed
establish
preliminary
foundation
of
approach
conformational
properties
20
canonical
amino
acids,
example,
hydrophobicity
residue
volume,
using
extant
structure-specific
from
PDB.
The
beta
robustly
distinguishes
structures
β
hairpin
α
helix
intrinsically
disordered
peptides
with
an
accuracy
up
96%
generates
artificial
minimum
identities
around
31%
50%
when
compared
against
current
NCBI
PDB
nonredundant
databases,
respectively.
These
results
highlight
specifically
anchored
by
property
features
acids
expand
sequence-to-structure
landscape
proteins
beyond
evolutionary
limits.
Cosmetics,
Год журнала:
2025,
Номер
12(2), С. 85 - 85
Опубликована: Апрель 21, 2025
This
study
explores
the
potential
of
ginseng-derived
peptides
(GPs)
as
multifunctional
bioactive
agents
for
skincare.
Unlike
previous
research
into
ginseng
saponins
and
polysaccharides,
we
identified
that
extracts
containing
water-soluble
small
molecules
polypeptides
exhibit
potent
antioxidant,
anti-inflammatory,
anti-aging
properties.
In
vitro
assays
revealed
peptide
extract
(GPE)
reduced
reactive
oxygen
species
(ROS)
inflammatory
cytokines
(IL-6,
TNF-α,
IL-1β)
in
RAW264.7
macrophages
while
enhancing
collagen
synthesis
human
skin
fibroblasts
(HSFs).
Validation
using
3D
epidermal
dermal
models
further
confirmed
GPE’s
ability
to
mitigate
UV-induced
damage,
restore
barrier
proteins
(filaggrin,
loricrin),
increase
content.
addition,
screened
19
candidate
from
machine
learning
prioritized
their
interaction
with
aging
inflammation-related
targets.
Three
(QEGIYPNNDLYRPK,
VDCPTDDATDDYRLK,
ADEVVHHPLDKSSEVE)
demonstrated
significant
collagen-promoting,
anti-inflammatory
effects
cellular
models.
These
findings
highlight
efficacy
computational
approaches
identifying
natural
ingredients,
positioning
promising
candidates
innovative
cosmeceutical
formulations
targeting
inflammaging
rejuvenation.
Digital Discovery,
Год журнала:
2023,
Номер
3(1), С. 9 - 22
Опубликована: Ноя. 29, 2023
The
effectiveness
of
antibiotics
is
greatly
enhanced
by
their
ability
to
target
invasive
organisms
involved
in
the
ancient
evolutionary
battle
between
hosts
and
pathogens.
Biophysical Journal,
Год журнала:
2024,
Номер
123(17), С. 2790 - 2806
Опубликована: Фев. 1, 2024
De
novo
peptide
design
is
a
new
frontier
that
has
broad
application
potential
in
the
biological
and
biomedical
fields.
Most
existing
models
for
de
are
largely
based
on
sequence
homology
can
be
restricted
evolutionarily
derived
protein
sequences
lack
physicochemical
context
essential
folding.
Generative
machine
learning
promising
way
to
synthesize
theoretical
data
on,
but
unique
from,
observable
universe.
In
this
study,
we
created
tested
custom
generative
adversarial
network
intended
fold
into
β-hairpin
secondary
structure.
This
deep
neural
model
designed
establish
preliminary
foundation
of
approach
conformational
properties
20
canonical
amino
acids,
example,
hydrophobicity
residue
volume,
using
extant
structure-specific
from
PDB.
The
beta
robustly
distinguishes
structures
β
hairpin
α
helix
intrinsically
disordered
peptides
with
an
accuracy
up
96%
generates
artificial
minimum
identities
around
31%
50%
when
compared
against
current
NCBI
PDB
nonredundant
databases,
respectively.
These
results
highlight
specifically
anchored
by
property
features
acids
expand
sequence-to-structure
landscape
proteins
beyond
evolutionary
limits.