| 2020 |
SARS-CoV-2 uses ACE2 as its entry receptor and TMPRSS2 as the host serine protease required for priming (proteolytic activation) of the viral spike protein, enabling membrane fusion and cell entry; a clinically approved TMPRSS2 inhibitor (camostat) blocked this entry. |
Pseudovirus entry assays, live virus infection of cell lines with and without TMPRSS2 expression, pharmacological inhibition with camostat mesylate |
Cell |
High |
32142651
|
| 2005 |
Recurrent chromosomal rearrangements fuse the 5' UTR/promoter of the androgen-regulated TMPRSS2 gene to ETS transcription factor coding sequences (ERG, ETV1), placing ETS oncogene expression under androgen-responsive TMPRSS2 promoter control in prostate cancer. |
Bioinformatics outlier expression analysis, RT-PCR, FISH on prostate cancer tissue samples, cell line experiments demonstrating androgen-responsive promoter driving ETS expression |
Science |
High |
16254181
|
| 1999 |
TMPRSS2 is a transmembrane serine protease with androgen-regulated expression predominantly in prostate epithelium; its gene is located on chromosome 21 and encodes domains including a transmembrane region and serine protease domain, placing it on the cell surface. |
cDNA microarray profiling of androgen-treated prostate cancer cells, Northern analysis, in situ hybridization of normal and malignant prostate tissues |
Cancer research |
High |
10485450
|
| 2008 |
The TMPRSS2-ERG gene fusion product drives invasion of prostate epithelial cells by engaging the plasminogen activation pathway, and ERG knockdown in TMPRSS2-ERG-positive VCaP cells inhibits invasion and induces a prostate differentiation transcriptional program. |
Transgenic mouse model (ERG under androgen-regulated promoter), introduction of ERG fusion into primary/immortalized prostate epithelial cells, ERG siRNA knockdown in VCaP cells, transcriptional profiling, invasion assays |
Neoplasia |
High |
18283340
|
| 2022 |
The crystal structure of TMPRSS2 (1.95 Å) co-crystallized with nafamostat reveals the substrate binding pocket architecture; TMPRSS2 cleaves SARS-CoV-2 spike protein at multiple sites including the canonical S1/S2 cleavage site, and inhibitor potency was ranked using in vitro protease activity assays. |
Recombinant protein production, X-ray crystallography, in vitro protease activity assays, inhibitor IC50 determination |
Nature chemical biology |
High |
35676539
|
| 2022 |
SARS-CoV-2 Omicron spike is less efficiently cleaved at S1/S2 compared to Delta, leading to reduced use of the TMPRSS2-dependent plasma membrane fusion pathway and greater reliance on the endocytic/cathepsin pathway; deletion of TMPRSS2 impaired Delta entry more than Omicron entry, explaining altered cell tropism. |
Spike-pseudotyped virus entry assays in cell lines with differential TMPRSS2 expression, TMPRSS2 gene deletion, drug inhibitors targeting specific entry pathways, syncytium formation assays, viral replication in human airway organoids |
Nature |
High |
35104837
|
| 2018 |
The TMPRSS2-ERG fusion protein (ERG) interacts with mammalian SWI/SNF (BAF) ATP-dependent chromatin remodeling complexes; ERG drives genome-wide retargeting of BAF complexes in an ETS DNA motif-dependent manner, and requires intact BAF complexes for chromatin occupancy and BAF ATPase activity for target gene regulation. |
Co-immunoprecipitation, ChIP-seq, prostate organoid model with BAF complex perturbation, genome-wide chromatin occupancy mapping |
Molecular cell |
High |
30078722
|
| 2021 |
TMPRSS2 is identified as a direct substrate/binding partner of HAI-2 (hepatocyte growth factor activator inhibitor-2), which co-immunoprecipitates with and inhibits TMPRSS2 proteolytic activity; HAI-2 suppresses TMPRSS2-mediated pro-HGF activation, extracellular matrix degradation, and prostate cancer cell invasion and metastasis. |
Co-immunoprecipitation, LC/MS/MS, recombinant protein binding and inhibition assays, immunofluorescence colocalization, in vitro invasion assays, orthotopic xenograft mouse model |
Oncogene |
High |
32778768
|
| 2013 |
Androgen regulation of TMPRSS2 requires an enhancer 13 kb upstream of the transcription start site containing an androgen response element (ARE) adjacent to two GATA2 binding sites; both the ARE and GATA2 sites contribute to enhancer activity, and a SNP (rs8134378) within the ARE reduces androgen receptor binding and transactivation. |
Bacterial artificial chromosome reporter assays, DNase I footprinting to identify GATA2 binding sites, ARE mutagenesis, androgen receptor binding assays, SNP functional analysis |
Molecular endocrinology |
High |
24109594
|
| 2021 |
Alpha-1 antitrypsin (α1AT), a serine protease inhibitor abundant in the respiratory tract, binds and inactivates TMPRSS2, thereby inhibiting SARS-CoV-2 spike-mediated entry and viral replication in cell lines and primary human airway epithelial cultures. |
Bronchoalveolar lavage peptide/protein library screen, enzyme activity assays demonstrating α1AT inhibition of TMPRSS2, pseudovirus and authentic SARS-CoV-2 infection assays, primary human airway epithelial cultures |
Nature communications |
High |
33741941
|
| 2017 |
Clinical isolates of human coronaviruses HCoV-OC43 and HCoV-HKU1 preferentially use cell-surface TMPRSS2 for spike protein priming and cell entry rather than endosomal cathepsins; cell-culture-adapted HCoV-OC43 lost ability to infect human bronchial tracheal epithelial air-liquid interface cultures. |
Viral infection assays with clinical isolates vs. cell-culture-adapted strains, pharmacological inhibition of TMPRSS2 vs. cathepsins, air-liquid interface culture infection |
Virology |
High |
29217279
|
| 2023 |
TMPRSS2 functions as a proteinaceous entry receptor for human coronavirus HKU1: TMPRSS2 triggers HKU1 spike-mediated cell-cell fusion and pseudovirus infection; catalytically inactive TMPRSS2 mutants still support pseudovirus entry despite lacking spike cleavage activity; TMPRSS2 binds HKU1 receptor binding domain with high affinity (Kd ~137–334 nM) but does not bind SARS-CoV-2. |
Pseudovirus infection assays, cell-cell fusion assays, catalytically inactive TMPRSS2 mutants, binding affinity measurements, nanobody inhibition of TMPRSS2-HKU1 interaction, authentic HKU1 virus infection of primary human bronchial cells |
Nature |
High |
37879362
|
| 2024 |
Crystal structure of the HKU1 receptor binding domain in complex with TMPRSS2 shows HKU1 recognizes residues lining the TMPRSS2 catalytic groove; positions 417 and 469 are determinants of HKU1 host tropism; structural basis of TMPRSS2 zymogen activation reveals autolytic conformational change that alters loops recognized by HKU1 and dramatically increases binding affinity. |
Crystal structure determination of HKU1-RBD:TMPRSS2 complex, zymogen and activated TMPRSS2 structures with nanobody, mutagenesis of interface residues, cross-species tropism analysis |
Cell |
High |
38964326
|
| 2024 |
Cryo-EM structure of HKU1 spike bound to TMPRSS2 reveals that sialoglycan binding induces a conformational change in the NTD that promotes neighboring RBD opening for TMPRSS2 recognition, demonstrating synergistic glycan-protein receptor usage; the HKU1 RBD features an insertion subdomain engaging TMPRSS2 through three novel interfaces. |
Cryo-EM structure determination of HKU1 spike in inactive, glycan-activated, and TMPRSS2-anchored states, mutagenesis, binding assays |
Cell |
High |
38964329
|
| 2021 |
TMPRSS2 directly interacts with ACE2 (demonstrated by endogenous co-immunoprecipitation in human cells), and ACE2 is a TMPRSS2 substrate; camostat (a TMPRSS2 inhibitor) blocked cleavage of pseudotype SARS-CoV-2 spike without disrupting TMPRSS2-ACE2 interaction; androgen deprivation reduced both TMPRSS2 and ACE2 expression, attenuating SARS-CoV-2 spike-mediated cellular entry. |
Co-immunoprecipitation of endogenous TMPRSS2 and ACE2, substrate cleavage assay, pseudotype SARS-CoV-2 entry assay with camostat, androgen receptor antagonist treatment |
iScience |
Medium |
33681723
|
| 2022 |
Furin and TMPRSS2 act synergistically in SARS-CoV-2 infectivity: the S2' fusion activation site (KPS815↓) was identified by proteomics and its cleavage enhanced by ACE2 engagement; ACE2 shedding by TMPRSS2 is required for TMPRSS2-mediated enhancement of cell-to-cell fusion in the absence of S1/S2 priming; the ACE2 collectrin dimerization domain is essential for the TMPRSS2 effect on fusion. |
Proteomics identification of S2' cleavage site, cell-to-cell fusion assays, pharmacological inhibitors of furin (BOS) and TMPRSS2 (camostat), ACE2 domain mutant constructs, authentic SARS-CoV-2 infection of Calu-3 cells |
Journal of virology |
High |
35343766
|
| 2021 |
TMPRSS2-mediated entry into lung cells is the dominant pathway for SARS-CoV-2, while hydroxychloroquine efficiently blocks cathepsin L-dependent endosomal entry but not TMPRSS2-dependent plasma membrane entry; SARS-CoV-2 is more dependent on TMPRSS2 than SARS-CoV-1, and this difference is determined by the furin cleavage site in the SARS-CoV-2 spike. |
Pseudovirus entry assays in cells with varying TMPRSS2 expression, pharmacological inhibition of cathepsin L vs. TMPRSS2, furin-cleavage site ablation and transfer mutagenesis between SARS-CoV-1 and -2 spikes |
PLoS pathogens |
High |
33465165
|
| 2022 |
TMPRSS2 is essential for SARS-CoV-2 Beta and Omicron replication in mouse airways in vivo; TMPRSS2-knockout mice show strongly reduced viral replication in nose, trachea, and lung for Beta variant and reduced Omicron spread despite Omicron preferring cathepsins in vitro. |
TMPRSS2-knockout C57BL/6 mice infected with SARS-CoV-2 Beta and Omicron variants, measurement of viral titers in respiratory tract tissues, weight loss monitoring |
Nature communications |
High |
36243815
|
| 2022 |
A small-molecule compound N-0385 inhibits TMPRSS2 with low nanomolar potency and blocks SARS-CoV-2 infection in human lung cells and colonoids; in the K18-hACE2 transgenic mouse model, N-0385 provides prophylactic and therapeutic benefit, confirming TTSP-mediated spike proteolytic maturation is critical for SARS-CoV-2 infection in vivo. |
In vitro TMPRSS2 inhibition assays, Calu-3 and colonoid infection assays, K18-hACE2 transgenic mouse model prophylaxis and treatment experiments |
Nature |
High |
35344983
|
| 2015 |
TMPRSS2 protease activity at the cell surface activates hepatitis C virus (HCV) infection at the post-binding/entry stage; TMPRSS2 wild-type but not catalytically inactive mutant enhances HCV susceptibility in Huh7 cells, and TMPRSS2 knockdown reduces infection. |
Stable TMPRSS2 wild-type and catalytic mutant expression in Huh7 cells, HCV infection assays, siRNA knockdown, cell-surface protease activity assays |
Hepatology |
High |
25203900
|
| 2015 |
TMPRSS2 isoform 1 (with extended N-terminal cytoplasmic domain) is expressed in lung-derived cell lines and tissues, colocalizes with influenza hemagglutinin (HA), cleaves and activates HA, and activates SARS-CoV spike protein for cathepsin L-independent cell entry. |
RT-PCR for isoform expression, colocalization imaging, functional cleavage assays, pseudovirus entry assays with cathepsin inhibition |
PloS one |
Medium |
26379044
|
| 2021 |
EZH2 methylates ERG (the TMPRSS2-ERG fusion product) at lysine K362 within the internal auto-inhibitory domain; K362 methylation modifies intra-domain interactions, favors DNA binding, and enhances ERG transcriptional activity; AKT-phosphorylated EZH2 (pS21) favors ERG methylation downstream of PTEN loss; ERG and EZH2 interact and co-occupy genomic sites forming trans-activating complexes. |
In vitro methylation assays, mutagenesis of K362, ChIP-seq, Co-immunoprecipitation, genetically engineered mouse model (ERG/PTEN), mass spectrometry |
Nature communications |
High |
34230470
|
| 2010 |
Androgen treatment can induce the TMPRSS2:ERG chromosomal fusion in both malignant and non-malignant prostate epithelial cells, associated with androgen-induced spatial gene proximity of TMPRSS2 and ERG loci and expression of PIWIL1; this demonstrates fusions can arise prior to malignant transformation. |
RT-PCR detection of fusion transcripts after androgen treatment, FISH for gene proximity measurement, androgen receptor CAG repeat length analysis |
Cancer research |
Medium |
20947519
|
| 2017 |
FOXO1 binds ERG (the TMPRSS2-ERG fusion product) and inhibits its transcriptional activity independently of FOXO1's own transcriptional activity; FOXO1 knockdown increases VCaP cell invasion in an ERG-dependent manner; concomitant ERG transgene expression and Foxo1 deletion in mouse prostate causes high-grade prostatic intraepithelial neoplasia. |
Co-immunoprecipitation of FOXO1 and ERG, transcriptional reporter assays, siRNA knockdown, invasion assays, genetically engineered mouse model |
Cancer research |
High |
28986382
|
| 2019 |
Androgen receptor-activated enhancers E1 and E2 (located between PRCAT38 and TMPRSS2 on chromosome 21) form chromatin loops with both the PRCAT38 and TMPRSS2 promoters, co-regulating both genes; enhancer activity is mediated by AR/FOXA1 binding and acetyltransferase p300; knockout of E1 or E2 simultaneously reduced transcription of both genes and inhibited cell growth and migration. |
Chromatin looping assays (3C/ChIA-PET), enhancer knockout (CRISPR), ChIP for AR, FOXA1, and p300, cell growth and migration assays |
Cells |
Medium |
31405024
|
| 2022 |
A common TMPRSS2 variant rs12329760 (p.V160M) reduces TMPRSS2 catalytic activity and is less able to support SARS-CoV-2 spike-mediated entry into cells; homozygous carriers have significantly decreased risk of severe COVID-19. |
SARS-CoV-2 pseudovirus entry assay in HEK293 cells co-transfected with ACE2 and wild-type or V160M TMPRSS2, epidemiological association in 2,244 ICU patients |
Current research in translational medicine |
Medium |
35104687
|
| 2022 |
An RNA G-quadruplex (RG4) structure within TMPRSS2 mRNA inhibits TMPRSS2 translation; G4-specific stabilizers attenuate SARS-CoV-2 infection in pseudovirus systems and mouse models; TMPRSS2 protein is increased in COVID-19 patient lungs. |
Bioinformatics identification of RG4, biochemical and biophysical RG4 characterization, in vitro translation assays, pseudovirus infection, mouse model with G4 stabilizers, COVID-19 patient lung protein analysis |
Nature communications |
Medium |
35301316
|
| 2022 |
Antithrombin (AT), an endogenous serine protease inhibitor, binds and inhibits TMPRSS2 (demonstrated by molecular docking and enzyme activity assays), blocking spike-mediated entry of multiple coronaviruses and suppressing authentic SARS-CoV-2 lung cell infection; heparin/fondaparinux activation of AT increases its anti-TMPRSS2 activity. |
Molecular docking, enzyme activity assays, pseudovirus entry assays for multiple coronavirus spikes, authentic SARS-CoV-2 lung cell infection assay |
Journal of medical virology |
Medium |
36056630
|
| 2020 |
miR-98-5p directly targets TMPRSS2 mRNA and was mechanistically validated as a regulator of TMPRSS2 protein expression in human lung and umbilical vein endothelial cells. |
Bioinformatic miRNA target prediction, functional validation of miR-98-5p regulation of TMPRSS2 in two human endothelial cell lines |
Biomedicines |
Low |
33143053
|
| 2021 |
Androgens regulate TMPRSS2 expression in lung epithelial cells via androgen receptor; antiandrogen enzalutamide reduces TMPRSS2 levels in human lung cells and mouse lung, significantly reducing SARS-CoV-2 entry and infection. |
Quantitative gene expression analysis in lung cell lines and mouse lung, antiandrogen treatment, SARS-CoV-2 infection assays in lung cells with and without enzalutamide |
Nature communications |
Medium |
34210968
|
| 2023 |
PM2.5 activates AhR, which translocates to the nucleus and directly binds the TMPRSS2 promoter, upregulating TMPRSS2 and downstream IL18 expression to promote lung cancer progression; TMPRSS2 depletion suppressed anchorage-independent growth and xenograft tumor growth. |
AhR nuclear translocation assays, ChIP showing AhR binding to TMPRSS2 promoter, TMPRSS2 knockdown in lung cancer cells, anchorage-independent growth assays, xenograft mouse model |
EMBO molecular medicine |
Medium |
36975376
|
| 2013 |
TMPRSS2/ERG gene fusion is expressed in prostate cancer stem cells with monoallelic regulation; TMPRSS2 transcription is subject to tight monoallelic control throughout the prostate epithelial hierarchy in both normal and tumor tissues, relaxed during differentiation. |
FISH for fusion gene in sorted prostate cancer stem cells, allele-specific expression analysis, single cell clonal analysis of asymmetric division |
Nature communications |
Medium |
23535644
|