SARS-CoV-2 receptor networks in diabetic and COVID-19 associated kidney disease.
Rajasree MenonEdgar A OttoRachel SealfonViji NairAaron K WongChandra L TheesfeldXi ChenYuan WangAvinash BoppannaJinghui LuoYingbao YangPeter M KassonJennifer A SchaubCeline C BerthierSean EddyChrysta C LienczewskiBradley GodfreySusan L DagenaisRyann SohaneyJohn HartmanDamian FerminLalita SubramanianHelen C LookerJennifer L HarderLaura H MarianiJeffrey B HodginJonathan Z SextonChristiane E WobusAbhijit S NaikRobert G NelsonOlga G TroyanskayaMatthias KretzlerPublished in: medRxiv : the preprint server for health sciences (2020)
COVID-19 morbidity and mortality is increased in patients with diabetes and kidney disease via unknown mechanisms. SARS-CoV-2 uses angiotensin-converting enzyme 2 (ACE2) for entry into host cells. Since ACE2 is a susceptibility factor for infection, we investigated how diabetic kidney disease (DKD) and medications alter ACE2 receptor expression in kidneys. Single cell RNA profiling of healthy living donor (LD) and DKD kidney biopsies revealed ACE2 expression primarily in proximal tubular epithelial cells (PTEC). This cell specific localization was confirmed by in situ hybridization. ACE2 expression levels were unaltered by exposures to renin angiotensin aldosterone system inhibitors in DKD. Bayesian integrative analysis of a large compendium of public -omics datasets identified molecular network modules induced in ACE2-expressing PTEC in DKD (searchable at hb.flatironinstitute.org/covid-kidney) that were linked to viral entry, immune activation, endomembrane reorganization, and RNA processing. The DKD ACE2-positive PTEC module overlapped with expression patterns seen in SARS-CoV-2 infected cells. Similar cellular programs were seen in ACE2-positive PTEC obtained from urine samples of 13 COVID-19 patients who were hospitalized, suggesting a consistent ACE2-coregulated PTEC expression program that may interact with the SARS-CoV-2 infection processes. Thus SARS-CoV-2 receptor networks can seed further research into risk stratification and therapeutic strategies for COVID-19 related kidney damage.
Keyphrases
- sars cov
- angiotensin converting enzyme
- angiotensin ii
- single cell
- respiratory syndrome coronavirus
- poor prognosis
- coronavirus disease
- rna seq
- binding protein
- type diabetes
- public health
- induced apoptosis
- stem cells
- cell cycle arrest
- air pollution
- emergency department
- healthcare
- quality improvement
- high throughput
- cell proliferation
- wound healing
- electronic health record