2020
Identification of Novel Carbonic Anhydrase IX Inhibitors Using High-Throughput Screening of Pooled Compound Libraries by DNA-Linked Inhibitor Antibody Assay (DIANA)
TYKVART, Jan, Václav NAVRÁTIL, Michael KUGLER, Pavel ŠÁCHA, Jiří SCHIMER et. al.Základní údaje
Originální název
Identification of Novel Carbonic Anhydrase IX Inhibitors Using High-Throughput Screening of Pooled Compound Libraries by DNA-Linked Inhibitor Antibody Assay (DIANA)
Autoři
TYKVART, Jan (203 Česká republika, garant), Václav NAVRÁTIL (203 Česká republika), Michael KUGLER (203 Česká republika), Pavel ŠÁCHA (203 Česká republika), Jiří SCHIMER (203 Česká republika), Anna HLAVÁČKOVÁ (203 Česká republika), Lukáš TENORA (203 Česká republika, domácí), Jitka ZEMANOVÁ, Jitka DEJMEK, Vlastimil KRÁL, Milan POTÁČEK (203 Česká republika, domácí), Pavel MAJER, Ullrich JAHN, Jiří BRYNDA, Pavlína ŘEZÁČOVÁ a Jan KONVALINKA
Vydání
SLAS Discovery, SAGE Publications Inc, 2020, 2472-5552
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
10608 Biochemistry and molecular biology
Stát vydavatele
Spojené státy
Utajení
není předmětem státního či obchodního tajemství
Odkazy
Impakt faktor
Impact factor: 2.918
Kód RIV
RIV/00216224:14310/20:00116956
Organizační jednotka
Přírodovědecká fakulta
UT WoS
000535984500001
Klíčová slova anglicky
high-throughput screening; carbonic anhydrase IX; drug discovery; DNA-linked inhibitor antibody assay
Štítky
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 27. 11. 2020 09:29, Mgr. Marie Šípková, DiS.
Anotace
V originále
The DNA-linked inhibitor antibody assay (DIANA) has been recently validated for ultrasensitive enzyme detection and for quantitative evaluation of enzyme inhibitor potency. Here we present its adaptation for high-throughput screening of human carbonic anhydrase IX (CAIX), a promising drug and diagnostic target. We tested DIANA's performance by screening a unique compound collection of 2816 compounds consisting of lead-like small molecules synthesized at the Institute of Organic Chemistry and Biochemistry (IOCB) Prague (“IOCB library”). Additionally, to test the robustness of the assay and its potential for upscaling, we screened a pooled version of the IOCB library. The results from the pooled screening were in agreement with the initial nonpooled screen with no lost hits and no false positives, which shows DIANA’s potential to screen more than 100,000 compounds per day.All DIANA screens showed a high signal-to-noise ratio with a Z factor of >0.89. The DIANA screen identified 13 compounds with Ki values equal to or better than 10 uM. All retested hits were active also in an orthogonal enzymatic assay showing zero false positives. However, further biophysical validation of identified hits revealed that the inhibition activity of several hits was caused by a single highly potent CAIX inhibitor, being present as a minor impurity. This finding eventually led us to the identification of three novel CAIX inhibitors from the screen. We confirmed the validity of these compounds by elucidating their mode of binding into the CAIX active site by x-ray crystallography.