Dietary Triterpenoids in Functional Food and Drug Ingredients: a review of structure-activity relationships, biosynthesis, applications, and AI-driven strategies
Trends in Food Science & Technology,
Год журнала:
2025,
Номер
unknown, С. 104961 - 104961
Опубликована: Март 1, 2025
Язык: Английский
Exploration of quinoxaline triazoles as antimycobacterial agents: design, synthesis and biological evaluation
Bioorganic & Medicinal Chemistry Letters,
Год журнала:
2025,
Номер
unknown, С. 130177 - 130177
Опубликована: Март 1, 2025
Язык: Английский
Helicity‐Dependent Enzymatic Peptide Cyclization
Canan Durukan,
Jannik Faierson,
Isabel van der Wal
и другие.
Journal of Peptide Science,
Год журнала:
2025,
Номер
31(6)
Опубликована: Апрель 27, 2025
ABSTRACT
The
secondary
structure
plays
a
crucial
role
in
the
biological
activity
of
peptides.
Various
strategies
have
been
developed
to
stabilize
particular
peptide
conformations,
including
sequence
modifications
and
macrocyclization
approaches.
Often,
interplay
between
conformational
constraint
flexibility
is
central
bioactivity.
Here,
we
investigate
how
α‐helicity
influences
enzymatic
head‐to‐tail
cyclization
using
an
engineered
Sortase.
We
show
that
peptides
with
low
helicity
readily
undergo
intramolecular
cyclization,
while
more
rigid,
helical
exhibit
complex
behaviors
cyclic
dimer
formation.
These
findings
reveal
increased
rigidity
can
redirect
reactions
from
intermolecular
processes,
demonstrates
changes
molecular
guide
chemical
reactivity.
insights
advance
design
peptide‐derived
materials,
hydrogels,
stimuli‐responsive
probes.
Язык: Английский
Novel Tetraene Macrodiolides Are Effective Inducers of Mitochondrial Apoptosis in Jurkat Cells
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(11), С. 5139 - 5139
Опубликована: Май 27, 2025
We
synthesized
16
representatives
of
a
new
class
tetraene
macrodiolides
with
two
pharmacophore
cis,cis-1,5-diene
fragments
the
molecule
in
their
structure
rather
high
yields
(from
67
to
84%),
which,
turn,
were
by
catalytic
intermolecular
cyclocondensation
reaction
α,ω-alka-nZ,(n+4)Z-diendiols
α,ω-alka-nZ,(n+4)Z-diendioic
acids
using
Hf(OTf)4.
The
synthesis
starting
substrates
1Z,5Z-diene
moieties
degree
stereoselectivity
was
carried
out
authors’
original
homo-cyclomagnesiation
O-containing
allenes.
cytotoxic
potential
examined
compounds
assessed
following
cell
lines:
Jurkat,
K562,
U937,
HL60,
HEK293,
and
Wi-38
(fibroblasts).
Biological
tests
showed
direct
effect
on
mitochondrial
biogenesis
dissociation
oxidation
phosphorylation
release
cytochrome
P450
into
cytosol,
as
well
induction
apoptosis.
selectivity
index
demonstrates
significant
variability,
ranging
from
approximately
2.5
5.3
for
Jurkat
cells
3.0
5.8
other
lines.
Язык: Английский