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Ku JM, Cho JH, Kim K, Kim JY, Kim JY, Kim J, Cha H, Cheon B. JP-1366: A novel and potent potassium-competitive acid blocker that is effective in the treatment of acid-related diseases. Pharmacol Res Perspect 2023; 11:e01090. [PMID: 37147903 PMCID: PMC10163344 DOI: 10.1002/prp2.1090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/06/2023] [Accepted: 04/10/2023] [Indexed: 05/07/2023] Open
Abstract
The global prevalence of GERD is substantially increasing each year, and GERD is a chronic disease that reduces the quality of life of patients. The efficacy of conventional drugs is diverse, and most require long-term or lifetime administration; thus, the development of more effective therapeutic agents is needed. Herein, a more effective treatment for GERD was tested. We investigated whether JP-1366 affected gastric H+/K+-ATPase activity and used the Na+/K+-ATPase assay to confirm the selectivity of H+/K+-ATPase inhibition. To clarify the mechanism of enzyme inhibition, JP-1366 and TAK-438 were analyzed by Lineweaver-Burk. Also, we investigated the effects of JP-1366 in various models involving reflux esophagitis. We found that JP-1366 mediates strong, selective, and dose-dependent inhibition of H+/K+-ATPase. We found that JP-1366 significantly suppressed gastric acid secretion in histamine-treated pylorus-ligated rats in a dose-dependent manner. Additionally, we confirmed that JP-1366 inhibited histamine-stimulated gastric acid secretion in the HPD model. JP-1366 exhibited a more than 2-fold higher inhibitory effect on esophageal injury than TAK-438 in GERD lesions and had a more potent inhibitory effect in indomethacin- or aspirin-induced gastric ulcer rat models than TAK-438. Additionally, JP-1366 inhibited gastric ulcers. These results support the possibility that JP-1366 is a good candidate drug for treating acid-related diseases.
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Affiliation(s)
- Jin Mo Ku
- Pharmacological Toxicology Laboratory, Jeil Pharmaceutical, Yongin-si, South Korea
| | - Jin Hee Cho
- Pharmacological Toxicology Laboratory, Jeil Pharmaceutical, Yongin-si, South Korea
| | - Kangjeon Kim
- Pharmacological Toxicology Laboratory, Jeil Pharmaceutical, Yongin-si, South Korea
| | - Ji Yoon Kim
- Division of New Drug Development, Jeil Pharmaceutical, Yongin-si, South Korea
| | - Jong Yup Kim
- Division of New Drug Development, Jeil Pharmaceutical, Yongin-si, South Korea
| | - John Kim
- Onconic Therapeutics Inc, Seoul, South Korea
| | - Hyunju Cha
- Onconic Therapeutics Inc, Seoul, South Korea
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Kang MS, Katuwal N, Ghosh M, Jeong YK, deok Hong S, Park SM, Kim J, Cha H, Cheon B, Kim SG, Moon YW. Abstract 4485: JPI-547, a novel dual inhibitor of PARP 1/2 and tankyrase 1/2 overcomes olaparib resistance in BRCA 1/2 mutant ovary and breast cancer preclinical model. Cancer Res 2023. [DOI: 10.1158/1538-7445.am2023-4485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
Abstract
Abstract
PARP inhibitors have prolonged the survival of various cancer patients with homologous recombination (HR) deficiencies. However, most patients eternally acquire resistance. Many attempts have been made, but there are no clear strategies to overcome resistance. We evaluated the efficacy and mechanism of JPI-547, a novel dual inhibitor of PARP1/2 and tankyrase1/2, in olaparib resistant breast and ovary preclinical cancer models. We established olaparib resistance models using mammalian cancer cell lines and patient-derived tumor xenografts (PDTXs). Two olaparib-resistant cells cell lines (BT474-OR/SNU251-OR) were established by exposing parent BRCA1/2 mutation carrying BT474 and SNU251 (breast and ovary cancer) to gradually increasing the concentration of olaparib for 8 months. An olaparib-resistant PDTX model [WJO-003(O2)], the parent BRCA1 mutation carrying ovary cancer PDTX was engrafted and treated with olaparib in 75mg/kg twice daily for 1 month and then 100mg/kg twice daily for 3 months. Using established olaparib resistance models, the anti-tumor efficacy of JPI-547 was compared with olaparib, niraparib, and talazoparib. IC50 of BT474-OR and SNU251-OR cell lines showed 5.5 and 6.7 fold increase compared to those of parent cell lines, respectively. While JPI-547 treatment in BT474-OR and SNU251-OR showed similar IC50 to the matching parent cells. In the PARPi-sensitive PDTX model, CPDX-013, JPI-547 inhibited tumor growth the greatest among other PARP inhibitors. Remarkably, 4 of 7 mice showed complete regression of the tumors. In the olaparib-resistant PDTX model, WJO-003(O2), JPI-547 inhibited tumor growth the most effectively compared to other PARP inhibitors (at day 60, the mean tumor volume: 2539, 1319, 871, 601, and 29 mm3 in control, niraparib, olaparib, talazoparib, and JPI-547, respectively; p<0.01). Since JPI-547 treated groups suppressed the tumor growth the most effectively both in olaparib-sensitive and resistant PDTX, to test whether JPI-547 is effective in prior PARPi-exposed tumor, we switched a PARPi to JPI-547 when most of PARPi treated tumors slowly retrieved the tumor growth. This subsequent treatment of JPI-547 completely suppressed the growth of tumor compared to a single other PARPi treated groups in both olaparib-sensitive and resistant models. The data suggest that JPI-547 efficiently inhibits growth of the tumor previously exposed to other PAPRi. JPI-547 treated tumors showed a decrease of RAD51 in comparison to other PARPi treated groups, which is likely mediated by inhibition of tankyrase 1/2 by JPI-547 and suppression of TNK1/2-MERIT40 complex. Then this suppression resulted in blockade of HR repair.JPI-547 showed promising efficacy in an olaparib-resistant preclinical model. JPI-547 merits further clinical development in the PARP inhibitor-resistant ovary and breast cancer.
Citation Format: Min Sil Kang, Nar Katuwal, Mithun Ghosh, Young kyu Jeong, Sa deok Hong, Sung Min Park, John Kim, Hyunju Cha, Banyoon Cheon, Seul-Gi Kim, Yong Wha Moon. JPI-547, a novel dual inhibitor of PARP 1/2 and tankyrase 1/2 overcomes olaparib resistance in BRCA 1/2 mutant ovary and breast cancer preclinical model. [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2023; Part 1 (Regular and Invited Abstracts); 2023 Apr 14-19; Orlando, FL. Philadelphia (PA): AACR; Cancer Res 2023;83(7_Suppl):Abstract nr 4485.
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Affiliation(s)
| | - Nar Katuwal
- 1CHA University, Seongnam-si, Republic of Korea
| | | | | | | | | | - John Kim
- 2Onconic Therapeutics Inc., Seoul, Republic of Korea
| | - Hyunju Cha
- 2Onconic Therapeutics Inc., Seoul, Republic of Korea
| | - Banyoon Cheon
- 2Onconic Therapeutics Inc., Seoul, Republic of Korea
| | - Seul-Gi Kim
- 1CHA University, Seongnam-si, Republic of Korea
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Cho S, Kim J, Cheon B, Han J, Kwon DS, Lee J. Multi-center, prospective, single arm, pivotal study to evaluate the efficacy and safety of robotic-assisted surgery easyuretero-100 in patients in need of retrograde intrarenal surgery. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)01380-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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Yoo D, Park Y, Cheon B, Park MH. Carbon Dots as an Effective Fluorescent Sensing Platform for Metal Ion Detection. Nanoscale Res Lett 2019; 14:272. [PMID: 31410663 PMCID: PMC6692426 DOI: 10.1186/s11671-019-3088-6] [Citation(s) in RCA: 105] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 07/16/2019] [Indexed: 05/14/2023]
Abstract
Fluorescent carbon dots (CDs) including carbon quantum dots (CQDs) and graphene quantum dots (GQDs) have drawn great interest because of their low cost and low toxicity, and they represent a new class of carbon materials prepared by simple synthetic routes. In particular, the optical properties of CDs can be easily tuned by the surface passivation of the organic layer and functionalization of the CDs. Based on the advantages of these carbon materials, CQDs and GQDs have been applied in various fields as nanoplatforms for sensing, imaging, and delivery. In this review, we discuss several synthetic methods for preparing CQDs and GQDs, as well as their physical properties, and further discuss the progress in CD research with an emphasis on their application in heavy metal sensing.
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Affiliation(s)
- Donggeon Yoo
- Nanobiomaterials Research Institute, Sahmyook University, Seoul, 01795 Korea
| | - Yuri Park
- Department of Convergence Science, Sahmyook University, Seoul, 01795 Korea
- Department of Chemistry and Life Science, Sahmyook University, Seoul, 01795 Korea
| | - Banyoon Cheon
- Nanobiomaterials Research Institute, Sahmyook University, Seoul, 01795 Korea
| | - Myoung-Hwan Park
- Nanobiomaterials Research Institute, Sahmyook University, Seoul, 01795 Korea
- Department of Convergence Science, Sahmyook University, Seoul, 01795 Korea
- Department of Chemistry and Life Science, Sahmyook University, Seoul, 01795 Korea
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Sunryd JC, Cheon B, Graham JB, Giorda KM, Fissore RA, Hebert DN. TMTC1 and TMTC2 are novel endoplasmic reticulum tetratricopeptide repeat-containing adapter proteins involved in calcium homeostasis. J Biol Chem 2014; 289:16085-99. [PMID: 24764305 DOI: 10.1074/jbc.m114.554071] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The endoplasmic reticulum (ER) is organized in part by adapter proteins that nucleate the formation of large protein complexes. Tetratricopeptide repeats (TPR) are well studied protein structural motifs that support intermolecular protein-protein interactions. TMTC1 and TMTC2 were identified by an in silico search as TPR-containing proteins possessing N-terminal ER targeting signal sequences and multiple hydrophobic segments, suggestive of polytopic membrane proteins that are targeted to the secretory pathway. A variety of cell biological and biochemical assays was employed to demonstrate that TMTC1 and TMTC2 are both ER resident integral membrane proteins with multiple clusters of TPR domains oriented within the ER lumen. Proteomic analysis followed by co-immunoprecipitation verification found that both proteins associated with the ER calcium uptake pump SERCA2B, and TMTC2 also bound to the carbohydrate-binding chaperone calnexin. Live cell calcium measurements revealed that overexpression of either TMTC1 or TMTC2 caused a reduction of calcium released from the ER following stimulation, whereas the knockdown of TMTC1 or TMTC2 increased the stimulated calcium released. Together, these results implicate TMTC1 and TMTC2 as ER proteins involved in ER calcium homeostasis.
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Affiliation(s)
- Johan C Sunryd
- From the Departments of Biochemistry and Molecular Biology and Program in Molecular and Cellular Biology, University of Massachusetts, Amherst, Massachusetts 01003
| | - Banyoon Cheon
- Program in Molecular and Cellular Biology, University of Massachusetts, Amherst, Massachusetts 01003 Veterinary and Animal Sciences
| | - Jill B Graham
- From the Departments of Biochemistry and Molecular Biology and Program in Molecular and Cellular Biology, University of Massachusetts, Amherst, Massachusetts 01003
| | - Kristina M Giorda
- From the Departments of Biochemistry and Molecular Biology and Program in Molecular and Cellular Biology, University of Massachusetts, Amherst, Massachusetts 01003
| | - Rafael A Fissore
- Program in Molecular and Cellular Biology, University of Massachusetts, Amherst, Massachusetts 01003 Veterinary and Animal Sciences
| | - Daniel N Hebert
- From the Departments of Biochemistry and Molecular Biology and Program in Molecular and Cellular Biology, University of Massachusetts, Amherst, Massachusetts 01003
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Abstract
Changes in Ca2+ homeostasis render oocytes competent to undergo [Ca2+]i oscillations and activation. During mouse oocyte maturation Ca2+ influx and SOCE are down-regulated, whereas [Ca2+]ER content increases. Bypassing the down-regulation of Ca2+ influx disturbs oocyte maturation. In preparation for fertilization, mammalian oocytes undergo optimization of the mechanisms that regulate calcium homeostasis. Among these changes is the increase in the content of the Ca2+ stores ([Ca2+]ER), a process that requires Ca2+ influx. Nevertheless, the mechanism(s) that mediates this influx remains obscure, although is known that [Ca2+]ER can regulate Ca2+ influx via store-operated Ca2+ entry (SOCE). We find that during maturation, as [Ca2+]ER increases, Ca2+ influx decreases. We demonstrate that mouse oocytes/eggs express the two molecular components of SOCE—stromal interaction molecule 1 (Stim1) and Orai1—and expression of human (h) Stim1 increases Ca2+ influx in a manner that recapitulates endogenous SOCE. We observe that the cellular distribution of hStim1 and hOrai1 during maturation undergoes sweeping changes that curtail their colocalization during the later stages of maturation. Coexpression of hStim1 and hOrai1 enhances influx throughout maturation but increases basal Ca2+ levels only in GV oocytes. Further, expression of a constitutive active form of hStim1 plus Orai1, which increases basal Ca2+ throughout maturation, disturbs resumption of meiosis. Taken together, our results demonstrate that Ca2+ influx and SOCE are regulated during maturation and that alteration of Ca2+ homeostasis undermines maturation in mouse oocytes.
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Affiliation(s)
- Banyoon Cheon
- Molecular and Cellular Biology Program, University of Massachusetts, Amherst, MA 01002, USA
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Wakai T, Vanderheyden V, Yoon SY, Cheon B, Zhang N, Parys JB, Fissore RA. Regulation of inositol 1,4,5-trisphosphate receptor function during mouse oocyte maturation. J Cell Physiol 2012; 227:705-17. [PMID: 21465476 DOI: 10.1002/jcp.22778] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
At the time of fertilization, an increase in the intracellular Ca(2+) concentration ([Ca(2+)](i)) underlies egg activation and initiation of development in all species studied to date. The inositol 1,4,5-trisphosphate receptor (IP(3)R1), which is mostly located in the endoplasmic reticulum (ER) mediates the majority of this Ca(2+) release. The sensitivity of IP(3)R1, that is, its Ca(2+) releasing capability, is increased during oocyte maturation so that the optimum [Ca(2+)](i) response concurs with fertilization, which in mammals occurs at metaphase of second meiosis. Multiple IP(3)R1 modifications affect its sensitivity, including phosphorylation, sub-cellular localization, and ER Ca(2+) concentration ([Ca(2+)](ER)). Here, we evaluated using mouse oocytes how each of these factors affected IP(3)R1 sensitivity. The capacity for IP(3)-induced Ca(2+) release markedly increased at the germinal vesicle breakdown stage, although oocytes only acquire the ability to initiate fertilization-like oscillations at later stages of maturation. The increase in IP(3)R1 sensitivity was underpinned by an increase in [Ca(2+)](ER) and receptor phosphorylation(s) but not by changes in IP(3)R1 cellular distribution, as inhibition of the former factors reduced Ca(2+) release, whereas inhibition of the latter had no impact. Therefore, the results suggest that the regulation of [Ca(2+)](ER) and IP(3)R1 phosphorylation during maturation enhance IP(3)R1 sensitivity rendering oocytes competent to initiate oscillations at the expected time of fertilization. The temporal discrepancy between the initiation of changes in IP(3)R1 sensitivity and acquisition of mature oscillatory capacity suggest that other mechanisms that regulate Ca(2+) homeostasis also shape the pattern of oscillations in mammalian eggs.
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Affiliation(s)
- Takuya Wakai
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, Massachusetts 01003, USA
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Cooney MA, Malcuit C, Cheon B, Holland MK, Fissore RA, D'Cruz NT. Species-specific differences in the activity and nuclear localization of murine and bovine phospholipase C zeta 1. Biol Reprod 2010; 83:92-101. [PMID: 20357268 DOI: 10.1095/biolreprod.109.079814] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
Injection of mammalian sperm extracts or cRNA of the sperm-specific phospholipase C zeta 1 (PLCZ1) has been shown to trigger repetitive oscillations in the concentration of free calcium ([Ca(2+)](i)), leading to oocyte activation and embryo development in all mammals studied to date. While PLCZ1 has cross-species activity, it has also been observed that species-specific differences may exist in the frequency and pattern of the resulting [Ca(2+)](i) oscillations following PLCZ1 cRNA injection into oocytes of different species. Accordingly, we used a crossover design strategy to directly investigate the activity of murine and bovine PLCZ1 in both murine and bovine oocytes. In murine oocytes, injection of murine Plcz1 cRNA induced [Ca(2+)](i) oscillations at 10-fold lower concentrations than bovine PLCZ1, although in bovine oocytes bovine PLCZ1 was more effective than murine Plcz1 at inducing [Ca(2+)](i) oscillations. Investigation of ITPR1 (IP(3)R1) down-regulation in bovine oocytes by PLCZ1 cRNA also showed that bovine PLCZ1 was more active in homologous oocytes. To determine whether these PLCZs exhibited similar cellular distribution, Venus-tagged PLCZ1 cRNA was injected into oocytes, and PLCZ1 was overexpressed. Bovine PLCZ1 failed to accumulate in the pronucleus (PN) of bovine or murine zygotes, despite possessing a putative nuclear localization signal. Conversely, murine PLCZ1 accumulated in the PN of both murine and bovine zygotes. These results demonstrate that murine PLCZ1 and bovine PLCZ1 possess species-specific differences in activity and suggest potential differences in the mode of action of the protein between the two species. Variation in sperm PLCZ1 protein content among species, along with oocyte-specific differences in the localization and availability of PLCZ1 substrates, may further contribute to optimize the activation stimulus to enhance embryo development.
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Affiliation(s)
- Melissa A Cooney
- Centre for Reproduction and Development, Monash Institute of Medical Research, Monash University, Clayton, Victoria, Australia.
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