Annual Review of Microbiology,
Journal Year:
2024,
Volume and Issue:
78(1), P. 103 - 124
Published: July 10, 2024
Human
infectious
diseases
are
unique
in
that
the
discovery
of
their
environmental
trigger,
microbe,
was
sufficient
to
drive
development
extraordinarily
effective
principles
and
tools
for
prevention
or
cure.
This
medical
prowess
has
outpaced,
perhaps
even
hindered,
scientific
progress
equal
magnitude
biological
understanding
diseases.
Indeed,
hope
kindled
by
germ
theory
disease
rapidly
subdued
infection
enigma,
need
a
host
solution,
when
it
realized
most
individuals
infected
with
agents
continue
do
well.
The
root
causes
death
unhappy
few
remained
unclear.
While
canonical
approaches
vitro
(cellular
microbiology),
vivo
(animal
models),
natura
(clinical
studies)
analyzed
consequences
considered
be
cause
disease,
cells,
tissues,
organisms
seen
as
uniform
host,
alternative
searched
preexisting
particularly
human
genetic
immunological
determinants
populations
diverse
trigger
microbe.
Science,
Journal Year:
2020,
Volume and Issue:
370(6515)
Published: Sept. 24, 2020
The
genetics
underlying
severe
COVID-19
immune
system
is
complex
and
involves
many
genes,
including
those
that
encode
cytokines
known
as
interferons
(IFNs).
Individuals
lack
specific
IFNs
can
be
more
susceptible
to
infectious
diseases.
Furthermore,
the
autoantibody
dampens
IFN
response
prevent
damage
from
pathogen-induced
inflammation.
Two
studies
now
examine
likelihood
affects
risk
of
coronavirus
disease
2019
(COVID-19)
through
components
this
(see
Perspective
by
Beck
Aksentijevich).
Q.
Zhang
et
al.
used
a
candidate
gene
approach
identified
patients
with
who
have
mutations
in
genes
involved
regulation
type
I
III
immunity.
They
found
enrichment
these
conclude
may
determine
clinical
course
infection.
Bastard
individuals
high
titers
neutralizing
autoantibodies
against
IFN-α2
IFN-ω
about
10%
pneumonia.
These
were
not
either
infected
people
asymptomatic
or
had
milder
phenotype
healthy
individuals.
Together,
identify
means
which
at
highest
life-threatening
identified.
Science
,
issue
p.
eabd4570
eabd4585
;
see
also
404
Proceedings of the National Academy of Sciences,
Journal Year:
2022,
Volume and Issue:
119(21)
Published: May 16, 2022
Significance
There
is
growing
evidence
that
preexisting
autoantibodies
neutralizing
type
I
interferons
(IFNs)
are
strong
determinants
of
life-threatening
COVID-19
pneumonia.
It
important
to
estimate
their
quantitative
impact
on
mortality
upon
SARS-CoV-2
infection,
by
age
and
sex,
as
both
the
prevalence
these
risk
death
increase
with
higher
in
men.
Using
an
unvaccinated
sample
1,261
deceased
patients
34,159
individuals
from
general
population,
we
found
against
IFNs
strongly
increased
infection
fatality
rate
at
all
ages,
men
women.
Autoantibodies
common
predictors
COVID-19.
Testing
for
should
be
considered
population.
The Journal of Experimental Medicine,
Journal Year:
2021,
Volume and Issue:
218(6)
Published: April 27, 2021
Multisystem
inflammatory
syndrome
in
children
(MIS-C)
emerged
April
2020
communities
with
high
COVID-19
rates.
This
new
condition
is
heterogenous
but
resembles
Kawasaki
disease
(KD),
a
well-known
poorly
understood
and
clinically
pediatric
for
which
weak
associations
have
been
found
myriad
of
viral
illnesses.
Epidemiological
data
clearly
indicate
that
SARS-CoV-2
the
trigger
MIS-C,
typically
occurs
about
1
mo
after
infection.
These
findings
support
hypothesis
triggers
various
forms
classic
KD.
We
further
suggest
rare
inborn
errors
immunity
(IEIs)
altering
immune
response
to
may
underlie
pathogenesis
MIS-C
some
children.
The
discovery
monogenic
IEIs
underlying
would
shed
light
on
its
pathogenesis,
paving
way
genetic
approach
KD,
revisited
as
heterogeneous
collection
viruses.
Science,
Journal Year:
2021,
Volume and Issue:
374(6571), P. 1080 - 1086
Published: Nov. 25, 2021
Disease
and
accompanying
inflammation
are
uncommon
outcomes
of
viral
infection
in
humans.
Clinical
occurs
if
steady-state
cell-intrinsic
leukocytic
immunity
to
viruses
fails.
Inflammation
attests
the
attempts
newly
recruited
activated
leukocytes
resolve
blood
or
tissues.
In
confusing
battle
between
a
myriad
cells,
studies
human
genetics
can
separate
root
cause
disease
from
its
consequences.
Single-gene
inborn
errors
underlying
diverse
infections
skin,
brain,
lungs
help
clarify
determinants
disease.
The
genetic
elucidation
immunological
deficits
single
patient
with
specific
vulnerability
profile
reveal
mechanisms
that
may
be
triggered
by
other
causes,
inherited
otherwise,
patients.
This
dissection
is
giving
rise
new
biology
medicine.