Future Pharmacology,
Journal Year:
2023,
Volume and Issue:
3(1), P. 80 - 107
Published: Jan. 9, 2023
While
the
COVID-19
pandemic
seems
to
be
on
its
decline,
unclear
impacts
of
long-COVID
cases,
breakthrough
infections
in
immunocompromised
individuals,
vaccine
hesitancy,
and
inhomogeneous
health-care
accessibility
constitute
a
not
underestimated
threat.
These
along
with
preparedness,
ask
for
an
alert
identification
new
drugs
optimization
existing
as
therapeutic
treatment
options
this
potential
future
diseases.
Mpro
inhibitors
were
identified
early
potent
drug
candidates
against
coronaviruses,
since
they
target
viable
processing
machinery
within
virus,
i.e.,
main
protease
that
cleaves
polyproteins
encoded
by
viral
RNA
into
functional
proteins.
Different
strategies,
including
reversible
irreversible
inhibition
well
allosteric
inhibitors,
mostly
from
repurposing
endeavors,
have
been
explored
design
SARS-CoV-2
antivirals.
Ambitious
screening
efforts
uttered
outstanding
chemical
structural
diversity,
which
has
led
half
dozen
lead
compounds
being
currently
clinical
trials
emergency
FDA
approval
ritonavir-boosted
nirmatrelvir
therapeutic.
This
comprehensive
analysis
achieved
inhibitor
diversity
sorted
irreversible,
reversible,
binders,
discussion
emerging
resistance
reports
possible
evasion
is
aimed
at
stimulating
continuing
efforts.
Journal of Medicinal Chemistry,
Journal Year:
2022,
Volume and Issue:
65(6), P. 4436 - 4456
Published: March 4, 2022
Selenium
(Se)-containing
compounds
have
emerged
as
potential
therapeutic
agents
for
the
treatment
of
a
range
diseases.
Through
tremendous
effort,
considerable
knowledge
has
been
acquired
to
understand
complex
chemical
properties
and
biological
activities
selenium,
especially
after
its
incorporation
into
bioactive
molecules.
From
this
perspective,
we
compiled
extensive
literature
evidence
summarize
critically
discuss
relationship
between
pharmacological
selenium
strategic
organic
molecules,
heterocycles
natural
products.
We
also
provide
perspectives
regarding
challenges
in
selenium-based
medicinal
chemistry
future
research
directions.
Proceedings of the National Academy of Sciences,
Journal Year:
2022,
Volume and Issue:
119(16)
Published: April 5, 2022
The
main
protease
(Mpro)
of
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
is
a
key
enzyme,
which
extensively
digests
CoV
replicase
polyproteins
essential
for
viral
replication
and
transcription,
making
it
an
attractive
target
antiviral
drug
development.
However,
the
molecular
mechanism
how
Mpro
SARS-CoV-2
polyproteins,
releasing
nonstructural
proteins
(nsps),
its
substrate
specificity
remain
largely
unknown.
Here,
we
determine
high-resolution
structures
in
resting
state,
precleavage
postcleavage
constituting
full
cycle
cleavage.
show
delicate
conformational
changes
that
occur
during
polyprotein
processing.
Further,
solve
mutant
(H41A)
complex
with
six
native
cleavage
substrates
from
demonstrate
can
recognize
sequences
as
long
10
residues
but
only
have
special
selectivity
four
subsites.
These
structural
data
provide
basis
to
develop
potent
new
inhibitors
against
SARS-CoV-2.
Journal of Medicinal Chemistry,
Journal Year:
2022,
Volume and Issue:
65(11), P. 7561 - 7580
Published: May 27, 2022
SARS-CoV-2
is
the
causative
agent
of
COVID-19
pandemic.
The
approval
vaccines
and
small-molecule
antivirals
vital
in
combating
viral
polymerase
inhibitors
remdesivir
molnupiravir
main
protease
inhibitor
nirmatrelvir/ritonavir
have
been
approved
by
U.S.
FDA.
However,
emergence
variants
concern/interest
calls
for
additional
with
novel
mechanisms
action.
papain-like
(PLpro)
mediates
cleavage
polyprotein
modulates
host's
innate
immune
response
upon
infection,
rendering
it
a
promising
antiviral
drug
target.
This
Perspective
highlights
major
achievements
structure-based
design
high-throughput
screening
PLpro
since
beginning
Encouraging
progress
includes
non-covalent
favorable
pharmacokinetic
properties
first-in-class
covalent
inhibitors.
In
addition,
we
offer
our
opinion
on
knowledge
gaps
that
need
to
be
filled
advance
clinic.
Journal of Medicinal Chemistry,
Journal Year:
2022,
Volume and Issue:
65(19), P. 12500 - 12534
Published: Sept. 28, 2022
The
viral
main
protease
is
one
of
the
most
attractive
targets
among
all
key
enzymes
involved
in
SARS-CoV-2
life
cycle.
Covalent
inhibition
cysteine145
MPRO
with
selective
antiviral
drugs
will
arrest
replication
process
virus
without
affecting
human
catalytic
pathways.
In
this
Perspective,
we
analyzed
silico,
vitro,
and
vivo
data
representative
examples
covalent
inhibitors
reported
literature
to
date.
particular,
studied
molecules
were
classified
into
eight
different
categories
according
their
reactive
electrophilic
warheads,
highlighting
differences
between
reversible/irreversible
mechanism
inhibition.
Furthermore,
analyses
recurrent
pharmacophoric
moieties
stereochemistry
chiral
carbons
reported.
noncovalent
silico
protocols,
provided
would
be
useful
for
scientific
community
discover
new
more
efficient
inhibitors.
Signal Transduction and Targeted Therapy,
Journal Year:
2022,
Volume and Issue:
7(1)
Published: Dec. 5, 2022
Abstract
The
outbreak
of
COVID-19
has
become
a
global
crisis,
and
brought
severe
disruptions
to
societies
economies.
Until
now,
effective
therapeutics
against
are
in
high
demand.
Along
with
our
improved
understanding
the
structure,
function,
pathogenic
process
SARS-CoV-2,
many
small
molecules
potential
anti-COVID-19
effects
have
been
developed.
So
far,
several
antiviral
strategies
were
explored.
Besides
directly
inhibition
viral
proteins
such
as
RdRp
M
pro
,
interference
host
enzymes
including
ACE2
proteases,
blocking
relevant
immunoregulatory
pathways
represented
by
JAK/STAT,
BTK,
NF-κB,
NLRP3
pathways,
regarded
feasible
drug
development.
development
treat
achieved
strategies,
computer-aided
lead
compound
design
screening,
natural
product
discovery,
repurposing,
combination
therapy.
Several
representative
remdesivir
paxlovid
proved
or
authorized
emergency
use
countries.
And
candidates
entered
clinical-trial
stage.
Nevertheless,
due
epidemiological
features
variability
issues
it
is
necessary
continue
exploring
novel
COVID-19.
This
review
discusses
current
findings
for
treatment.
Moreover,
their
detailed
mechanism
action,
chemical
structures,
preclinical
clinical
efficacies
discussed.
Frontiers in Chemistry,
Journal Year:
2022,
Volume and Issue:
9
Published: Feb. 3, 2022
The
emergence
of
severe
acute
respiratory
syndrome
(SARS-CoV-2)
in
2019
marked
the
third
occurrence
a
highly
pathogenic
coronavirus
human
population
since
2003.
As
death
toll
surpasses
5
million
globally
and
economic
losses
continue,
designing
drugs
that
could
curtail
infection
disease
progression
is
critical.
In
US,
three
effective
Food
Drug
Administration
(FDA)–authorized
vaccines
are
currently
available,
Remdesivir
approved
for
treatment
hospitalized
patients.
However,
moderate
vaccination
rates
sustained
evolution
new
viral
variants
necessitate
ongoing
search
antivirals.
Several
proteins
have
been
prioritized
as
SARS-CoV-2
antiviral
drug
targets,
among
them
papain-like
protease
(PLpro)
main
(Mpro).
Inhibition
these
proteases
would
target
replication,
maturation,
suppression
host
innate
immune
responses.
Knowledge
inhibitors
assays
viruses
were
quickly
adopted
research.
Potential
candidates
identified
to
show
inhibitory
effects
against
PLpro
Mpro,
both
biochemical
replication
cells.
These
results
encourage
further
optimizations
improve
prophylactic
therapeutic
efficacy.
this
review,
we
examine
latest
developments
potential
small-molecule
peptide
how
structural
biology
greatly
facilitates
process.
Inorganics,
Journal Year:
2023,
Volume and Issue:
11(8), P. 321 - 321
Published: July 29, 2023
Herein
we
report
the
synthesis
of
organic
selenide-based
maleanilic
and
succinanilic
acids
in
good
yields
(up
to
95%).
Their
structural
identities
were
elucidated
by
spectroscopic
techniques
(e.g.,
IR,
1H-
&
13C-NMR,
MS).
The
ADMET
analysis,
molecule
electrostatic
potential
map,
DFT,
frontier
molecular
orbital
used
study
organoselenium
compounds’
pharmacokinetics,
drug-likeness
characteristics,
geometries,
chemical
electronic
properties.
Moreover,
a
docking
tool
was
employed
investigate
selenides’
ability
inhibit
SARS-CoV-2
Mpro
target
(PDB:
7BFB).
Within
this
context,
selenides
exhibited
promising
binding
affinities
receptor
following
order
(12
>
11
10
9
7
8).
Furthermore,
dynamics
simulations
also
carried
out
for
200
ns
evaluate
exact
behavior
most
active
compound
(12)
within
pocket
compared
with
its
co-crystallized
inhibitor
(Co).