scholarly journals Identification of a potent and selective covalent Pin1 inhibitor

2020 ◽  
Vol 16 (9) ◽  
pp. 979-987 ◽  
Author(s):  
Benika J. Pinch ◽  
Zainab M. Doctor ◽  
Behnam Nabet ◽  
Christopher M. Browne ◽  
Hyuk-Soo Seo ◽  
...  
Keyword(s):  
2016 ◽  
Vol 203 ◽  
pp. 702-707 ◽  
Author(s):  
Sarah Costantino ◽  
Francesco Paneni ◽  
Thomas F. Lüscher ◽  
Francesco Cosentino

2018 ◽  
Vol 14 (1) ◽  
pp. 130-134 ◽  
Author(s):  
Yuanyuan Zheng ◽  
Wenchen Pu ◽  
Jiao Li ◽  
Xianyan Shen ◽  
Qiang Zhou ◽  
...  

PLoS ONE ◽  
2015 ◽  
Vol 10 (6) ◽  
pp. e0127467 ◽  
Author(s):  
Ryuhei Kanaoka ◽  
Akifumi Kushiyama ◽  
Yasuyuki Seno ◽  
Yusuke Nakatsu ◽  
Yasuka Matsunaga ◽  
...  

2017 ◽  
Vol 8 (1) ◽  
Author(s):  
Elena Campaner ◽  
Alessandra Rustighi ◽  
Alessandro Zannini ◽  
Alberto Cristiani ◽  
Silvano Piazza ◽  
...  

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Takeshi Yamamotoya ◽  
Yusuke Nakatsu ◽  
Machi Kanna ◽  
Shun Hasei ◽  
Yukino Ohata ◽  
...  

AbstractNovel coronavirus disease 2019 (COVID-19) has emerged as a global pandemic with far-reaching societal impact. Here we demonstrate that Pin1 is a key cellular molecule necessary for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) propagation. In this study, siRNA-mediated silencing of Pin1 expression markedly suppressed the proliferation of SARS-CoV-2 in VeroE6/TMPRSS2 cells. In addition, several recently generated Pin1 inhibitors showed strong inhibitory effects on SARS-CoV-2 proliferation, measured by both viral mRNA and protein synthesis, and alleviated the cytopathic effect (CPE) on VeroE6/TMPRSS2 cells. One compound, termed H-77, was found to block SARS-CoV-2 proliferation at an EC50 below 5 μM regardless of whether it was added to the culture medium prior to or after SARS-CoV-2 infection. The inhibition of viral N protein mRNA synthesis by H-77 implies that the molecular mechanism underlying SARS-CoV-2 inhibition is likely to be associated with viral gene transcription or earlier steps. Another Pin1 inhibitor, all-trans retinoic acid (ATRA)—a commercially available drug used to treat acute promyelocytic leukemia (APL) and which both activates the retinoic acid receptor and inhibits the activity of Pin1—similarly reduced the proliferation of SARS-CoV-2. Taken together, the results indicate that Pin1 inhibitors could serve as potential therapeutic agents for COVID-19.


2020 ◽  
Author(s):  
Christian Dubiella ◽  
Benika J. Pinch ◽  
Daniel Zaidman ◽  
Theresa D. Manz ◽  
Evon Poon ◽  
...  

AbstractThe peptidyl-prolyl cis-trans isomerase, Pin1, acts as a unified signaling hub that is exploited in cancer to activate oncogenes and inactivate tumor suppressors, in particular through up-regulation of c-Myc target genes. However, despite considerable efforts, Pin1 has remained an elusive drug target. Here, we screened an electrophilic fragment library to discover covalent inhibitors targeting Pin1’s active site nucleophile - Cys113, leading to the development of Sulfopin, a double-digit nanomolar Pin1 inhibitor. Sulfopin is highly selective for Pin1, as validated by two independent chemoproteomics methods, achieves potent cellular and in vivo target engagement, and phenocopies genetic knockout of Pin1. Although Pin1 inhibition had a modest effect on viability in cancer cell cultures, Sulfopin induced downregulation of c-Myc target genes and reduced tumor initiation and tumor progression in murine and zebrafish models of MYCN-driven neuroblastoma. Our results suggest that Sulfopin is a suitable chemical probe for assessing Pin1-dependent pharmacology in cells and in vivo. Moreover, these studies indicate that Pin1 should be further investigated as a potential cancer target.


2020 ◽  
Vol 27 (20) ◽  
pp. 3314-3329 ◽  
Author(s):  
Yusuke Nakatsu ◽  
Yasuka Matsunaga ◽  
Koji Ueda ◽  
Takeshi Yamamotoya ◽  
Yuki Inoue ◽  
...  

<P>The prolyl isomerase Pin1 is a unique enzyme, which isomerizes the cis-trans conformation between pSer/pThr and proline and thereby regulates the function, stability and/or subcellular distribution of its target proteins. Such regulations by Pin1 are involved in numerous physiological functions as well as the pathogenic mechanisms underlying various diseases. Notably, Pin1 deficiency or inactivation is a potential cause of Alzheimer’s disease, since Pin1 induces the degradation of Tau. In contrast, Pin1 overexpression is highly correlated with the degree of malignancy of cancers, as Pin1 controls a number of oncogenes and tumor suppressors. Accordingly, Pin1 inhibitors as anti-cancer drugs have been developed. Interestingly, recent intensive studies have demonstrated Pin1 to be responsible for the onset or development of nonalcoholic steatosis, obesity, atherosclerosis, lung fibrosis, heart failure and so on, all of which have been experimentally induced in Pin1 deficient mice. <P> In this review, we discuss the possible applications of Pin1 inhibitors to a variety of diseases including malignant tumors and also introduce the recent advances in Pin1 inhibitor research, which have been reported.</P>


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