Journal of Lung Pulmonary & Respiratory Research,
Journal Year:
2022,
Volume and Issue:
9(1), P. 17 - 32
Published: Jan. 1, 2022
Severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
is
a
deadly
pneumonia
caused
by
an
enveloped,
single-stranded
RNA
betacoronavirus
belonging
to
the
coronaviridae
family.
Pathophysiologically,
SARS-CoV-2
due
severe
hyperinflammatory
host
response
coronavirus,
resulting
in
overproduction
of
cytokines,
chemokines,
and
growth
factors
macrophages,
such
as
interleukin-1β
(IL-1β),
IL-2,
IL-6,
IL-8,
IL-10,
tumour
necrosis
factor-α.
characterized
diffuse
alveolar
damage
direct
infection
type
II
pneumocytes,
pulmonary
edema,
vascular
occlusion,
interstitial
infiltrates,
ventilation/perfusion
mismatch,
which
rapidly
progress
hypoxemia,
distress
syndrome,
multi-organ
failure,
death.
The
standard
care
Covid-19,
includes
high-flow
nasal
oxygen
(HFNO),
dexamethasone,
remdesivir,
mechanical
ventilation
or
extracorporeal
membrane
oxygenation
very
cases.
However,
mortality
exceptionally
high
even
with
these
therapies.
Covid-19
dysregulation,
over-production
including
IL-1β,
TNF-α.
IL-6
plays
key
role
orchestrating
hyperinflammation
cytokine
storm,
leads
lung
injury,
failure.
Interleukin-6
signaling
via
transmembrane
receptor-α
(mIL-6Rα),
soluble
IL-6Rα.
Tocilizumab,
sarilumab
are
IL-6Rα
antagonists,
have
been
issued
emergency
use
authorization
(EUA)
FDA.
Both
biologics
safe,
effective
treatment
particularly
patients
requiring
HFNO,
support.
Another
therapeutic
approach
treat
target
downstream
JAK/STAT
pathway
critical
inciting
immunopathological
effects.
Baricitimab
tofacitinib
granted
EUA
A
systemic
review
has
shown
that
JAK-inhibitors
significantly
decrease
odd
(P
˂
0.0005),
ICU
admission
0.0005).
Additionally
JAKinibs
increase
odds
for
patient
discharge
within
weeks
P
0.00001).
Tofacitinib
reported
lead
lower
risk
failure
death
through
day
28
than
placebo
hospitalized
Covid-19.
Barictinib
addition
care,
dexamethasone
was
associated
reduced
adults
Selective
JAK
inhibitors
usual
Frontiers in Medicine,
Journal Year:
2022,
Volume and Issue:
9
Published: Aug. 30, 2022
Recent
evidence
proposed
that
the
severity
of
coronavirus
disease
2019
(COVID-19)
in
patients
is
a
consequence
cytokine
storm,
characterized
by
increased
IL-1β,
IL-6,
IL-18,
TNF-α,
and
IFN-γ.
Hence,
managing
storm
drugs
has
been
suggested
for
treatment
with
severe
COVID-19.
Several
proinflammatory
cytokines
involved
pathogenesis
COVID-19
infection
recruit
distinct
intracellular
signaling
pathway
mediated
JAKs.
Consequently,
JAK
inhibitors,
including
baricitinib,
pacritinib,
ruxolitinib,
tofacitinib,
may
represent
an
effective
therapeutic
strategy
controlling
to
treat
This
study
indicates
mechanism
JAK/STAT
as
well
medications
used
inhibitors.
Current Pharmaceutical Design,
Journal Year:
2022,
Volume and Issue:
28(46), P. 3677 - 3705
Published: Nov. 8, 2022
Study
Background
&
Objective:
After
the
influenza
pandemic
(1918),
COVID-19
was
declared
a
Vth
by
WHO
in
2020.
SARS-CoV-2
is
an
RNA-enveloped
single-stranded
virus.
Based
on
structure
and
life
cycle,
Protease
(3CLpro),
RdRp,
ACE2,
IL-6,
TMPRSS2
are
major
targets
for
drug
development
against
COVID-19.
Pre-existing
several
drugs
(FDA-approved)
used
to
inhibit
above
different
diseases.
In
coronavirus
treatment,
these
also
clinical
trial
stages.
Remdesivir
(RdRp
inhibitor)
only
FDA-approved
medicine
treatment.
present
study,
using
repurposing
strategy,
70
preexisting
or
under
molecules
were
scrutiny
RdRp
inhibitor
potent
treatment
being
surveyed
via
docking
studies.
Molecular
simulation
studies
further
confirmed
binding
mechanism
stability
of
most
compounds.Docking
performed
Maestro
12.9
module
Schrodinger
software
over
with
as
target
remdesivir
standard
studies.The
showed
that
many
HIV
protease
inhibitors
demonstrated
remarkable
interactions
RdRp.
such
lopinavir
ritonavir
effective.
Along
these,
AT-527,
ledipasvir,
bicalutamide,
cobicistat
improved
scores.
RMSD
RMSF
analyzed
ledipasvir
identified
potential
candidates
corona
disease.The
approach
provides
new
avenue
Current Issues in Molecular Biology,
Journal Year:
2023,
Volume and Issue:
45(1), P. 400 - 433
Published: Jan. 4, 2023
SARS-CoV-2
(severe
acute
respiratory
syndrome)
is
highly
infectious
and
causes
severe
distress
syndrome
(SARD),
immune
suppression,
multi-organ
failure.
For
SARS-CoV-2,
only
supportive
treatment
options
are
available,
such
as
oxygen
therapy,
ventilator
support,
antibiotics
for
secondary
infections,
mineral
fluid
treatment,
a
significant
subset
of
repurposed
effective
drugs.
Viral
targeted
inhibitors
the
most
suitable
molecules,
ACE2
(angiotensin-converting
enzyme-2)
RBD
(receptor-binding
domain)
protein-based
inhibitors,
host
proteases,
viral
proteases
3CLpro
(3C-like
proteinase)
PLpro
(papain-like
protease),
replicative
enzymes,
attachment
to
receptor
TMPRSS2
(transmembrane
serine
proteinase
2),
HR1
(Heptad
Repeat
1)–HR2
2)
interaction
at
S2
protein
coronavirus,
etc.
Targeting
cathepsin
L
proteinase,
peptide
analogues,
monoclonal
antibodies,
chimaeras
interferes
with
spike
protein’s
ability
fuse
membrane.
Even
tremendous
progress
made,
creating
drugs
remains
difficult.
To
develop
COVID-19
alternatives,
clinical
studies
examining
variety
therapy
categories,
including
antivirals,
cell-based
diagnostic
medicines,
more.
In
this
article,
we
discuss
recent
updates
on
infection,
characteristics,
diagnosis,
immunopathology,
new
emergence
variant,
various
approaches
drug
development
options.
The
therapies
has
been
complicated
by
global
occurrence
many
mutations.
Discussion
manuscript
will
provide
insight
into
pathophysiology
development.
Rapid Communications in Mass Spectrometry,
Journal Year:
2023,
Volume and Issue:
37(18)
Published: Aug. 7, 2023
Baricitinib
(BARI),
an
inhibitor
of
Janus
kinases
1
and
2
(JAK
1/2),
is
used
for
the
treatment
rheumatoid
arthritis
COVID-19.
The
present
study
focuses
on
establishing
forced
degradation
behavior
BARI
under
different
conditions
(hydrolysis,
oxidation,
photolysis)
following
International
Council
Harmonization
(ICH)
guidelines
Q1A
(R2)-Stability
testing
new
drug
substances
products
Q1B-Photostability
products.
This
helps
in
monitoring
quality
safety
its
product
development.Prior
to
conducting
study,
silico
profile
was
predicted
by
Zeneth.
Reversed-phase
high-performance
liquid
chromatography
employing
a
gradient
program
identification
separation
impurities
with
InertSustain
C8
column
(4.6
×
250
mm,
5
μm).
mobile
phases
were
10
mM
ammonium
formate
(pH
2.89)
acetonitrile.
High-resolution
mass
spectrometry
(HRMS)
structural
elucidation
impurities.BARI
labile
hydrolytic
(acidic,
basic,
neutral)
photolytic
which
yielded
it
stable
oxidative
(H2
O2
)
conditions.
separated
characterized
HRMS
respective
pathways
proposed.
generated
information
helped
propose
mechanism
formation
impurities.
Additionally,
one-dimensional
two-dimensional
nuclear
magnetic
resonance
spectroscopy
characterization
two
major
impurities.The
carried
out
accordance
ICH
Q1B
guidelines,
resulted
In
our
analysis,
three
matching
Zeneth
predictions.
tools,
DEREK
Nexus®
SARAH
Nexus®,
predicting
toxicity
mutagenicity
Overall,
this
sheds
light
BARI's
storage
circumstances.
Introduction:
Janus
Kinase
(JAK)
inhibitors
were
recently
identified
as
promising
drug
candidates
for
repurposing
in
Alzheimer’s
disease
(AD)
due
to
their
capacity
suppress
inflammation
via
modulation
of
JAK/STAT
signalling
pathways.
Besides
interaction
with
primary
therapeutic
targets,
JAK
inhibitor
drugs
frequently
interact
unintended,
often
unknown,
biological
off-targets,
leading
associated
effects.
Nevertheless,
the
relevance
off-target
interactions
context
AD
remains
unclear.
Methods:
Putative
off-targets
baricitinib
and
tofacitinib
predicted
using
a
machine
learning
(ML)
approach.
After
screening
scientific
literature,
filtered
based
on
AD.
Targets
that
had
not
been
previously
or
subsequently
tested
biochemical
cell-based
assays.
From
those,
active
concentrations
compared
bioavailable
brain
by
physiologically
pharmacokinetic
(PBPK)
modelling.
Results:
With
aid
ML
vitro
activity
assays,
we
two
enzymes
unknown
be
inhibited
baricitinib,
namely
casein
kinase
2
subunit
alpha
(CK2-alpha-2)
dual
leucine
zipper
(MAP3K12),
both
Kd
values
5.8
uM.
Predicted
maximum
tissue
PBPK
modelling
range
from
1.3
23
nM,
which
is
three
orders
magnitude
below
corresponding
binding
constant.
Conclusion:
In
this
study,
extended
list
are
potentially
relevant
progression
distribution
brain.
The
results
suggest
low
likelihood
successful
permeability,
even
at
recommended
daily
dose.
While
additional
research
needed
evaluate
potential
impact
AD,
combined
approach
target
prediction,
confirmation,
may
help
prioritise
high
being
effectively
repurposed
Frontiers in Cellular and Infection Microbiology,
Journal Year:
2021,
Volume and Issue:
11
Published: Dec. 14, 2021
Within
almost
the
last
2
years,
world
has
been
shaken
by
coronavirus
disease
2019
(COVID-19)
pandemic,
which
affected
lives
of
all
people.
With
nearly
4.92
million
deaths
October
19,
2021,
and
serious
health
damages
in
millions
people,
COVID-19
most
global
challenge
after
Second
World
War.
Besides
lost
long-term
problems,
devastating
impact
on
economics,
education,
culture
will
probably
leave
a
lasting
impression
future.
Therefore,
actual
extent
losses
become
obvious
only
years.
Moreover,
despite
availability
different
vaccines
vaccination
programs,
it
is
still
impossible
to
forecast
what
next
steps
virus
are
or
how
near
we
end
pandemic.
In
this
article,
route
molecular
evolution
severe
acute
respiratory
syndrome
(SARS-CoV-2)
thoroughly
compiled,
highlighting
changes
that
undergone
during
years
discussing
approaches
medical
community
undertaken
fight
against
virus-induced
damages.
Pharmaceutics,
Journal Year:
2022,
Volume and Issue:
14(11), P. 2380 - 2380
Published: Nov. 4, 2022
Even
though
more
than
two
years
have
passed
since
the
emergence
of
COVID-19,
research
for
novel
or
repositioned
medicines
from
a
natural
source
chemically
synthesized
is
still
an
unmet
clinical
need.
In
this
review,
application
supercritical
fluids
to
development
repurposed
COVID-19
and
their
secondary
bacterial
complications
will
be
discussed.
We
envision
three
main
applications
in
field:
(i)
drug
micronization,
(ii)
fluid
extraction
bioactives
(iii)
sterilization.
The
micronization
techniques
can
help
improve
aqueous
solubility
oral
bioavailability
drugs,
consequently,
need
lower
doses
elicit
same
pharmacological
effects
result
reduction
dose
administered
adverse
effects.
addition,
between
1
5
µm
aid
manufacturing
pulmonary
formulations
target
directly
lung.
Supercritical
also
enormous
potential
bioactive
compounds,
which
shown
remarkable
efficacy
against
COVID-19.
Finally,
successful
inactivation
viruses
opens
up
opportunity
sterilization
healthcare
field.