Piyasuda Pukkanasut, Shilpa Dutta, Jason Whitt, Parvathy Babu, Osbaldo Lopez-Charcas, Tonantzin Guadalupe Anguheven-Ledezma, Juan Carlos Gomora, Renata Jaskula-Sztul, Sadanandan E Velu
{"title":"Design, Synthesis, and Evaluation of Sodium Channel Blockers with Anti-invasive Activities in Medullary Thyroid Cancer.","authors":"Piyasuda Pukkanasut, Shilpa Dutta, Jason Whitt, Parvathy Babu, Osbaldo Lopez-Charcas, Tonantzin Guadalupe Anguheven-Ledezma, Juan Carlos Gomora, Renata Jaskula-Sztul, Sadanandan E Velu","doi":"10.1021/acsmedchemlett.4c00576","DOIUrl":"10.1021/acsmedchemlett.4c00576","url":null,"abstract":"<p><p>This letter describes the structure-activity relationship studies of a voltage-gated sodium channel (VGSC) blocker <b>SV188</b> guided by its docking model in the lacosamide binding site of Na<sub>V</sub>1.7. Seventeen analogs of <b>SV188</b> were designed, synthesized, and evaluated for whole cell <i>I</i> <sub>Na</sub> blockade and cytotoxicity using metastatic medullary thyroid cancer cell line MZ-CRC-1. Three analogs exhibited improved <i>I</i> <sub>Na</sub> blockade compared to <b>SV188</b>. Thirteen analogs showed reduced cytotoxicity compared to <b>SV188</b>. Three selected compounds were further evaluated for their cell invasion inhibition activities. All three compounds displayed cell invasion inhibitory activities that were better than those of <b>SV188</b>. The most promising lead compound <b>IIB7</b> showed no cytotoxicity to MZ-CRC-1 cells up to 100 μM and inhibited VGSC-mediated cell invasion by 71% at 15 μM.</p>","PeriodicalId":20,"journal":{"name":"ACS Medicinal Chemistry Letters","volume":"16 5","pages":"766-775"},"PeriodicalIF":3.5,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12067137/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143951157","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Scott B Hoyt, Chris J Finocchio, Elizabeth Croll, Gregory J Tawa, Mingliang Zhang, Jiangong Wang, Huixi Li, Li Ma, Kaikai Li, Xiaohu Zhang, Xin Xu, Pranav Shah, Yuhong Fang, Lyndsey C Bolanos, Gabriel Gracia-Maldonado, Amal Kolt, Christina Robinson, Jessica Free, Elijah F Edmondson, Simone Difilippantonio, LaQuita M Jones, Ashley E Culver-Cochran, Jan S Rosenbaum, Daniel T Starczynowski, Craig J Thomas
{"title":"IRAK1/4/pan-FLT3 Kinase Inhibitors with Reduced hERG Block as Treatments for Acute Myeloid Leukemia.","authors":"Scott B Hoyt, Chris J Finocchio, Elizabeth Croll, Gregory J Tawa, Mingliang Zhang, Jiangong Wang, Huixi Li, Li Ma, Kaikai Li, Xiaohu Zhang, Xin Xu, Pranav Shah, Yuhong Fang, Lyndsey C Bolanos, Gabriel Gracia-Maldonado, Amal Kolt, Christina Robinson, Jessica Free, Elijah F Edmondson, Simone Difilippantonio, LaQuita M Jones, Ashley E Culver-Cochran, Jan S Rosenbaum, Daniel T Starczynowski, Craig J Thomas","doi":"10.1021/acsmedchemlett.5c00147","DOIUrl":"10.1021/acsmedchemlett.5c00147","url":null,"abstract":"<p><p>We report the optimization of a series of IRAK1/4/pan-FLT3 kinase inhibitors. These efforts have produced a key compound <b>27</b> that displays potent and selective inhibition of IRAK1, IRAK4, and FLT3, reduced block of hERG, and good pharmacokinetic properties. In a mouse xenograft model of acute myeloid leukemia (AML), <b>27</b> produces survival prolongation superior to that of gilteritinib, the leading FDA-approved FLT3 inhibitor currently used to treat AML.</p>","PeriodicalId":20,"journal":{"name":"ACS Medicinal Chemistry Letters","volume":"16 5","pages":"887-895"},"PeriodicalIF":3.5,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12067127/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143951162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Piyasuda Pukkanasut, Shilpa Dutta, Jason Whitt, Parvathy Babu, Osbaldo Lopez-Charcas, Tonantzin Guadalupe Anguheven-Ledezma, Juan Carlos Gomora, Renata Jaskula-Sztul* and Sadanandan E. Velu*,
{"title":"Design, Synthesis, and Evaluation of Sodium Channel Blockers with Anti-invasive Activities in Medullary Thyroid Cancer","authors":"Piyasuda Pukkanasut, Shilpa Dutta, Jason Whitt, Parvathy Babu, Osbaldo Lopez-Charcas, Tonantzin Guadalupe Anguheven-Ledezma, Juan Carlos Gomora, Renata Jaskula-Sztul* and Sadanandan E. Velu*, ","doi":"10.1021/acsmedchemlett.4c0057610.1021/acsmedchemlett.4c00576","DOIUrl":"https://doi.org/10.1021/acsmedchemlett.4c00576https://doi.org/10.1021/acsmedchemlett.4c00576","url":null,"abstract":"<p >This letter describes the structure–activity relationship studies of a voltage-gated sodium channel (VGSC) blocker <b>SV188</b> guided by its docking model in the lacosamide binding site of Na<sub>V</sub>1.7. Seventeen analogs of <b>SV188</b> were designed, synthesized, and evaluated for whole cell <i>I</i><sub>Na</sub> blockade and cytotoxicity using metastatic medullary thyroid cancer cell line MZ-CRC-1. Three analogs exhibited improved <i>I</i><sub>Na</sub> blockade compared to <b>SV188</b>. Thirteen analogs showed reduced cytotoxicity compared to <b>SV188</b>. Three selected compounds were further evaluated for their cell invasion inhibition activities. All three compounds displayed cell invasion inhibitory activities that were better than those of <b>SV188</b>. The most promising lead compound <b>IIB7</b> showed no cytotoxicity to MZ-CRC-1 cells up to 100 μM and inhibited VGSC-mediated cell invasion by 71% at 15 μM.</p>","PeriodicalId":20,"journal":{"name":"ACS Medicinal Chemistry Letters","volume":"16 5","pages":"766–775 766–775"},"PeriodicalIF":3.5,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143917188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Scott B. Hoyt*, Chris J. Finocchio, Elizabeth Croll, Gregory J. Tawa, Mingliang Zhang, Jiangong Wang, Huixi Li, Li Ma, Kaikai Li, Xiaohu Zhang, Xin Xu, Pranav Shah, Yuhong Fang, Lyndsey C. Bolanos, Gabriel Gracia-Maldonado, Amal Kolt, Christina Robinson, Jessica Free, Elijah F. Edmondson, Simone Difilippantonio, LaQuita M. Jones, Ashley E. Culver-Cochran, Jan S. Rosenbaum, Daniel T. Starczynowski and Craig J. Thomas,
{"title":"IRAK1/4/pan-FLT3 Kinase Inhibitors with Reduced hERG Block as Treatments for Acute Myeloid Leukemia","authors":"Scott B. Hoyt*, Chris J. Finocchio, Elizabeth Croll, Gregory J. Tawa, Mingliang Zhang, Jiangong Wang, Huixi Li, Li Ma, Kaikai Li, Xiaohu Zhang, Xin Xu, Pranav Shah, Yuhong Fang, Lyndsey C. Bolanos, Gabriel Gracia-Maldonado, Amal Kolt, Christina Robinson, Jessica Free, Elijah F. Edmondson, Simone Difilippantonio, LaQuita M. Jones, Ashley E. Culver-Cochran, Jan S. Rosenbaum, Daniel T. Starczynowski and Craig J. Thomas, ","doi":"10.1021/acsmedchemlett.5c0014710.1021/acsmedchemlett.5c00147","DOIUrl":"https://doi.org/10.1021/acsmedchemlett.5c00147https://doi.org/10.1021/acsmedchemlett.5c00147","url":null,"abstract":"<p >We report the optimization of a series of IRAK1/4/pan-FLT3 kinase inhibitors. These efforts have produced a key compound <b>27</b> that displays potent and selective inhibition of IRAK1, IRAK4, and FLT3, reduced block of hERG, and good pharmacokinetic properties. In a mouse xenograft model of acute myeloid leukemia (AML), <b>27</b> produces survival prolongation superior to that of gilteritinib, the leading FDA-approved FLT3 inhibitor currently used to treat AML.</p>","PeriodicalId":20,"journal":{"name":"ACS Medicinal Chemistry Letters","volume":"16 5","pages":"887–895 887–895"},"PeriodicalIF":3.5,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acsmedchemlett.5c00147","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143917010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Motoyuki Tanaka, Takahiro Mori, Gakuji Hashimoto, Katsukuni Mitsui, Akihiro Kishi, Elizabeth S Childress, Sean R Bollinger, Trevor C Chopko, Thomas M Bridges, Douglas G Stafford, Zhonping Huang, Mark A Wolf, Darren W Engers, Jerod S Denton, Haruto Kurata, Craig W Lindsley
{"title":"Discovery of ONO-TR-772 (VU6018042): A Highly Selective and CNS Penetrant TREK Inhibitor <i>in Vivo</i> Tool Compound.","authors":"Motoyuki Tanaka, Takahiro Mori, Gakuji Hashimoto, Katsukuni Mitsui, Akihiro Kishi, Elizabeth S Childress, Sean R Bollinger, Trevor C Chopko, Thomas M Bridges, Douglas G Stafford, Zhonping Huang, Mark A Wolf, Darren W Engers, Jerod S Denton, Haruto Kurata, Craig W Lindsley","doi":"10.1021/acsmedchemlett.5c00215","DOIUrl":"10.1021/acsmedchemlett.5c00215","url":null,"abstract":"<p><p>Herein we describe our continuing work on the K<sub>2</sub>P family of potassium ion channels with the chemical optimization of a selective and CNS penetrant series of TREK inhibitors, culminating in the discovery of ONO-TR-772 (VU6018042). From an HTS hit harboring a benzyl ether linker, SAR proved intractable until an acetylene linker was identified as an isosteric replacement. Robust SAR was then observed, and a key fluorination to enhance PK and CNS penetration provided ONO-TR-772 (VU6018042), a potent (TREK-1 IC<sub>50</sub> = 15 nM), selective (>10 μM versus other K<sub>2</sub>P channels except TREK-2), and CNS penetrant (rat <i>K</i> <sub>p</sub> = 0.98) TREK inhibitor. ONO-TR-772 (VU6018042) demonstrated robust efficacy in an MK-801 challenge NOR paradigm, with an MED of 10 mg/kg.</p>","PeriodicalId":20,"journal":{"name":"ACS Medicinal Chemistry Letters","volume":"16 5","pages":"896-901"},"PeriodicalIF":3.5,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12067145/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143951975","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Motoyuki Tanaka, Takahiro Mori, Gakuji Hashimoto, Katsukuni Mitsui, Akihiro Kishi, Elizabeth S. Childress, Sean R. Bollinger, Trevor C. Chopko, Thomas M. Bridges, Douglas G. Stafford, Zhonping Huang, Mark A. Wolf, Darren W. Engers, Jerod S. Denton, Haruto Kurata* and Craig W. Lindsley*,
{"title":"Discovery of ONO-TR-772 (VU6018042): A Highly Selective and CNS Penetrant TREK Inhibitor in Vivo Tool Compound","authors":"Motoyuki Tanaka, Takahiro Mori, Gakuji Hashimoto, Katsukuni Mitsui, Akihiro Kishi, Elizabeth S. Childress, Sean R. Bollinger, Trevor C. Chopko, Thomas M. Bridges, Douglas G. Stafford, Zhonping Huang, Mark A. Wolf, Darren W. Engers, Jerod S. Denton, Haruto Kurata* and Craig W. Lindsley*, ","doi":"10.1021/acsmedchemlett.5c0021510.1021/acsmedchemlett.5c00215","DOIUrl":"https://doi.org/10.1021/acsmedchemlett.5c00215https://doi.org/10.1021/acsmedchemlett.5c00215","url":null,"abstract":"<p >Herein we describe our continuing work on the K<sub>2</sub>P family of potassium ion channels with the chemical optimization of a selective and CNS penetrant series of TREK inhibitors, culminating in the discovery of ONO-TR-772 (VU6018042). From an HTS hit harboring a benzyl ether linker, SAR proved intractable until an acetylene linker was identified as an isosteric replacement. Robust SAR was then observed, and a key fluorination to enhance PK and CNS penetration provided ONO-TR-772 (VU6018042), a potent (TREK-1 IC<sub>50</sub> = 15 nM), selective (>10 μM versus other K<sub>2</sub>P channels except TREK-2), and CNS penetrant (rat <i>K</i><sub>p</sub> = 0.98) TREK inhibitor. ONO-TR-772 (VU6018042) demonstrated robust efficacy in an MK-801 challenge NOR paradigm, with an MED of 10 mg/kg.</p>","PeriodicalId":20,"journal":{"name":"ACS Medicinal Chemistry Letters","volume":"16 5","pages":"896–901 896–901"},"PeriodicalIF":3.5,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acsmedchemlett.5c00215","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143916969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Novel Compounds as NLRP3 Inhibitors for Treating Asthma or COPD","authors":"Ram W. Sabnis*, ","doi":"10.1021/acsmedchemlett.5c0021810.1021/acsmedchemlett.5c00218","DOIUrl":"https://doi.org/10.1021/acsmedchemlett.5c00218https://doi.org/10.1021/acsmedchemlett.5c00218","url":null,"abstract":"<p >Provided herein are novel compounds as NLRP3 inhibitors, pharmaceutical compositions, use of such compounds in treating asthma or COPD, and processes for preparing such compounds.</p>","PeriodicalId":20,"journal":{"name":"ACS Medicinal Chemistry Letters","volume":"16 5","pages":"760–761 760–761"},"PeriodicalIF":3.5,"publicationDate":"2025-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143917213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Novel Compounds as NLRP3 Inhibitors for Treating Asthma or COPD.","authors":"Ram W Sabnis","doi":"10.1021/acsmedchemlett.5c00218","DOIUrl":"10.1021/acsmedchemlett.5c00218","url":null,"abstract":"<p><p>Provided herein are novel compounds as NLRP3 inhibitors, pharmaceutical compositions, use of such compounds in treating asthma or COPD, and processes for preparing such compounds.</p>","PeriodicalId":20,"journal":{"name":"ACS Medicinal Chemistry Letters","volume":"16 5","pages":"760-761"},"PeriodicalIF":3.5,"publicationDate":"2025-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12067112/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143952713","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}