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  1. Article ; Online: Co-inhibition of BET and NAE enhances BIM-dependent apoptosis with augmented cancer therapeutic efficacy.

    Zhang, Qian / Wu, Qian / Huan, Xia-Juan / Song, Shan-Shan / Bao, Xu-Bin / Miao, Ze-Hong / Wang, Ying-Qing

    Biochemical pharmacology

    2024  Volume 223, Page(s) 116198

    Abstract: Agents that inhibit bromodomain and extra-terminal domain (BET) proteins have been actively tested in the clinic as potential anticancer drugs. NEDD8-activating enzyme (NAE) inhibitors, represented by MLN4924, target the only activation enzyme in the ... ...

    Abstract Agents that inhibit bromodomain and extra-terminal domain (BET) proteins have been actively tested in the clinic as potential anticancer drugs. NEDD8-activating enzyme (NAE) inhibitors, represented by MLN4924, target the only activation enzyme in the neddylation pathway that has been identified as an attractive target for cancer therapy. In this study, we focus on the combination of BET inhibitors (BETis) and NAE inhibitors (NAEis) as a cancer therapeutic strategy and investigate its underlying mechanisms to explore and expand the application scope of both types of drugs. The results showed that this combination synergistically inhibited the proliferative activity of tumor cells from different tissues. Compared to a single drug, combination therapy had a weak effect on cycle arrest but significantly enhanced cell apoptosis. Furthermore, the growth of NCI-H1975 xenografts in nude mice was significantly inhibited by the combination without obvious body weight loss. Research on the synergistic mechanism demonstrated that combination therapy significantly increased the mRNA and protein levels of the proapoptotic gene BIM. The inhibition and knockout of BIM significantly attenuated the apoptosis induced by the combination, whereas the re-expression of BIM restored the synergistic effects, indicating that BIM induction plays a critical role in mediating the enhanced apoptosis induced by the co-inhibition of BET and NAE. Together, the enhanced transcription mediated by miR-17-92 cluster inhibition and reduced degradation promoted the increase in BIM levels, resulting in a synergistic effect. Collectively, these findings highlight the need for further clinical investigation into the combination of BETi and NAEi as a promising strategy for cancer therapy.
    MeSH term(s) Animals ; Humans ; Mice ; Antineoplastic Agents/pharmacology ; Apoptosis ; Cell Line, Tumor ; Cyclopentanes/pharmacology ; Mice, Nude ; Neoplasms ; Bcl-2-Like Protein 11/metabolism
    Chemical Substances Antineoplastic Agents ; Cyclopentanes ; Bcl-2-Like Protein 11 ; DNER protein, human
    Language English
    Publishing date 2024-04-06
    Publishing country England
    Document type Journal Article
    ZDB-ID 208787-x
    ISSN 1873-2968 ; 0006-2952
    ISSN (online) 1873-2968
    ISSN 0006-2952
    DOI 10.1016/j.bcp.2024.116198
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: The combination of methionine adenosyltransferase 2A inhibitor and methyltransferase like 3 inhibitor promotes apoptosis of non-small cell lung cancer cells and produces synergistic anti-tumor activity.

    Xuan, Yi-Fei / Lu, Shan / Ou, Ying-Jie / Bao, Xu-Bin / Huan, Xia-Juan / Song, Shan-Shan / Miao, Ze-Hong / Wang, Ying-Qing

    Biochemical and biophysical research communications

    2024  Volume 716, Page(s) 150011

    Abstract: Methionine adenosyltransferase 2 A (MAT2A) mediates the synthesis of methyl donor S-Adenosylmethionine (SAM), providing raw materials for methylation reactions in cells. MAT2A inhibitors are currently used for the treatment of tumors with ... ...

    Abstract Methionine adenosyltransferase 2 A (MAT2A) mediates the synthesis of methyl donor S-Adenosylmethionine (SAM), providing raw materials for methylation reactions in cells. MAT2A inhibitors are currently used for the treatment of tumors with methylthioadenosine phosphorylase (MTAP) deficiency in clinical research. Methyltransferase like 3 (METTL3) catalyzes N6-methyladenosine (m
    Language English
    Publishing date 2024-04-27
    Publishing country United States
    Document type Journal Article
    ZDB-ID 205723-2
    ISSN 1090-2104 ; 0006-291X ; 0006-291X
    ISSN (online) 1090-2104 ; 0006-291X
    ISSN 0006-291X
    DOI 10.1016/j.bbrc.2024.150011
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Loss of VOPP1 Contributes to BET Inhibitor Acquired Resistance in Non-Small Cell Lung Cancer Cells.

    Sun, Lin / Wu, Qian / Huan, Xia-Juan / Tian, Chang-Qing / Wang, Ying-Qing / Miao, Ze-Hong

    Molecular cancer research : MCR

    2022  Volume 20, Issue 12, Page(s) 1785–1798

    Abstract: Inhibitors targeting bromodomain and extraterminal (BET) proteins are promising anticancer drugs. The emergence of drug resistance during treatments will impair their therapeutic effectiveness. To investigate the mechanisms of acquired resistance to BET ... ...

    Abstract Inhibitors targeting bromodomain and extraterminal (BET) proteins are promising anticancer drugs. The emergence of drug resistance during treatments will impair their therapeutic effectiveness. To investigate the mechanisms of acquired resistance to BET inhibitors (BETi), we generated a series of drug-resistant sublines by exposing non-small cell lung cancer (NSCLC) NCI-H1975 cells to the BETi ABBV-075. These sublines displayed cross-resistance to other tested BETis, increased migration abilities, reduced growth rates accompanied by an increased proportion of cells in G1 phase and decreased apoptotic responses to BETis. Changes in RNA expression and gene mutation profiles in the resistant variants indicate that emergence of BETi resistance is multifactorial. Importantly, all the tested ABBV-075-resistant variants showed loss of vesicular overexpressed in cancer prosurvival protein 1 (VOPP1) and an increase in the antiapoptotic BCL-2 protein. By knockdown, knockout, and reconstitution of VOPP1 in resistant cells, their parental cells, and other NSCLC cells, we confirmed that the loss of VOPP1 contributed to BETi resistance. Moreover, knockout of VOPP1 in the parental cells caused the increased expression of BCL-2, and the latter directly mediated BETi resistance. Through combined treatments with BETis and BCL-2 inhibitors (BCL-2i), we demonstrated that BCL-2is synergistically sensitized resistant cells to BETis.
    Implications: Based on these results, for the first time, we establish a causal link from VOPP1 loss to BCL-2 gain and then to BETi resistance, which provides new insights into BETi resistance and paves the way for further testing to circumvent BETi resistance.
    MeSH term(s) Humans ; Antineoplastic Agents/pharmacology ; Carcinoma, Non-Small-Cell Lung/drug therapy ; Carcinoma, Non-Small-Cell Lung/genetics ; Cell Line, Tumor ; Lung Neoplasms/drug therapy ; Lung Neoplasms/genetics ; Proto-Oncogene Proteins c-bcl-2/genetics ; Transcription Factors/genetics
    Chemical Substances Antineoplastic Agents ; mivebresib (VR86R11J7J) ; Proto-Oncogene Proteins c-bcl-2 ; Transcription Factors ; VOPP1 protein, human ; DNER protein, human
    Language English
    Publishing date 2022-08-21
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2098788-2
    ISSN 1557-3125 ; 1541-7786
    ISSN (online) 1557-3125
    ISSN 1541-7786
    DOI 10.1158/1541-7786.MCR-21-1000
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Proteasome inhibitors reduce CD73 expression partly via decreasing p-ERK in NSCLC cells.

    Su, Ai-Ling / Tian, Chang-Qing / Ou, Ying-Jie / Bao, Xu-Bin / Huan, Xia-Juan / Miao, Ze-Hong / Wang, Ying-Qing

    Life sciences

    2023  Volume 332, Page(s) 122129

    Abstract: Ecto-5'-nucleotidase (CD73), encoded by the NT5E gene, mediates tumor immunosuppression and has been targeted for the development of new anticancer drugs. Proteasome inhibitors impair protein degradation by inhibiting proteasome and have been used in the ...

    Abstract Ecto-5'-nucleotidase (CD73), encoded by the NT5E gene, mediates tumor immunosuppression and has been targeted for the development of new anticancer drugs. Proteasome inhibitors impair protein degradation by inhibiting proteasome and have been used in the clinic for cancer therapy. Here we report that proteasome inhibitors reduce the protein and mRNA levels of CD73. Among 127 tested small-molecule drugs, proteasome inhibitors were found to consistently decrease the protein and mRNA levels of CD73 in NSCLC NCI-H1299 cells. This effect was further confirmed in different NSCLC cells exposed to different proteasome inhibitors. In those treated cells, the protein levels of ERK and its active form p-ERK, the vital components in the MAPK pathway, were reduced. Consistently, inhibitors of MEK and ERK, another two members of the MAPK pathway, also lowered the protein and mRNA levels of CD73. Correspondingly, treatments with fibroblast growth factor 2 (FGF2), an activator of the MAPK pathway, enhanced the levels of p-ERK and partly rescued the proteasome inhibitor-driven reduction of CD73 mRNA and protein in NSCLC cells. However, exogenous CD73 overexpression in murine Lewis lung carcinoma (LLC) cells was not lowered either in vitro or in vivo, by the treatments with proteasome inhibitors and basically, did not affect their in vitro proliferative inhibition either. In contrast, CD73 overexpression dramatically reduced the in vivo anticancer activity of Bortezomib in immunocompetent mice, with tumor growth inhibition rates from 52.18 % for LLC/vector down to 8.75 % for LLC/NT5E homografts. These findings give new insights into the anticancer mechanisms of proteasome inhibitors.
    Language English
    Publishing date 2023-09-26
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 3378-9
    ISSN 1879-0631 ; 0024-3205
    ISSN (online) 1879-0631
    ISSN 0024-3205
    DOI 10.1016/j.lfs.2023.122129
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: TNKS inhibitors potentiate proliferative inhibition of BET inhibitors via reducing β-Catenin in colorectal cancer cells.

    Wu, Qian / Xuan, Yi-Fei / Su, Ai-Ling / Bao, Xu-Bin / Miao, Ze-Hong / Wang, Ying-Qing

    American journal of cancer research

    2022  Volume 12, Issue 3, Page(s) 1069–1087

    Abstract: Colorectal cancer (CRC) is an aggressive malignancy with limited options for treatment. Targeting the bromodomain and extra terminal domain (BET) proteins by using BET inhibitors (BETis) could effectively interrupt the interaction with acetylated ... ...

    Abstract Colorectal cancer (CRC) is an aggressive malignancy with limited options for treatment. Targeting the bromodomain and extra terminal domain (BET) proteins by using BET inhibitors (BETis) could effectively interrupt the interaction with acetylated histones, inhibit genes transcription and have shown a certain effect on CRC inhibition. To improve the efficacy, the inhibitors of Tankyrases, which cause accumulation of AXIN through dePARsylation, in turn facilitate the degradation of β-Catenin and suppress the growth of adenomatous polyposis coli (APC)-mutated CRCs, were tested together with BETi as a combination treatment. We examined the effects of BETi and Tankyrases inhibitor (TNKSi) together on the proliferation, cell cycle and apoptosis of human CRCs cell lines with
    Language English
    Publishing date 2022-03-15
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2589522-9
    ISSN 2156-6976
    ISSN 2156-6976
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Repeated treatments of Capan-1 cells with PARP1 and Chk1 inhibitors promote drug resistance, migration and invasion.

    Guo, Ne / Li, Meng-Zhu / Wang, Li-Min / Chen, Hua-Dong / Song, Shan-Shan / Miao, Ze-Hong / He, Jin-Xue

    Cancer biology & therapy

    2022  Volume 23, Issue 1, Page(s) 69–82

    Abstract: PARP1 and Chk1 inhibitors have been shown to be synergistic in different cancer models in relatively short time treatment modes. However, the consequences of long-term/repeated treatments with the combinations in cancer models remain unclear. In this ... ...

    Abstract PARP1 and Chk1 inhibitors have been shown to be synergistic in different cancer models in relatively short time treatment modes. However, the consequences of long-term/repeated treatments with the combinations in cancer models remain unclear. In this study, the synergistic cytotoxicity of their combinations in 8 tumor cell lines was confirmed in a 7-day exposure mode. Then, pancreatic Capan-1 cells were repeatedly treated with the PARP1 inhibitor olaparib, the Chk1 inhibitor rabusertib or their combination for 211-214 days, during which the changes in drug sensitivity were monitored at a 35-day interval. Unexpectedly, among the 3 treatment modes, the combination treatments resulted in the highest-grade resistance to Chk1 (~14.6 fold) and PARP1 (~420.2 fold) inhibitors, respectively. Consistently, G2/M arrest and apoptosis decreased significantly in the resulting resistant variants exposed to olaparib. All 3 resistant variants also unexpectedly obtained enhanced migratory and invasive capabilities. Moreover, the combination treatments resulted in increased migration and invasion than olaparib alone. The expression of 124 genes changed significantly in all the resistant variants. We further demonstrate that activating CXCL3-ERK1/2 signaling might contribute to the enhanced migratory capabilities rather than the acquired drug resistance. Our findings indicate that repeated treatments with the rabusertib/olaparib combination result in increased drug resistance and a more aggressive cell phenotype than those with either single agent, providing new clues for future clinical anticancer tests of PARP1 and Chk1 inhibitor combinations.
    MeSH term(s) Apoptosis ; Cell Line, Tumor ; Drug Resistance ; G2 Phase Cell Cycle Checkpoints ; Humans ; Phthalazines/pharmacology ; Poly (ADP-Ribose) Polymerase-1/genetics ; Poly(ADP-ribose) Polymerase Inhibitors/pharmacology ; Poly(ADP-ribose) Polymerase Inhibitors/therapeutic use ; Protein Kinase Inhibitors/pharmacology
    Chemical Substances Phthalazines ; Poly(ADP-ribose) Polymerase Inhibitors ; Protein Kinase Inhibitors ; PARP1 protein, human (EC 2.4.2.30) ; Poly (ADP-Ribose) Polymerase-1 (EC 2.4.2.30)
    Language English
    Publishing date 2022-01-09
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2146305-0
    ISSN 1555-8576 ; 1538-4047
    ISSN (online) 1555-8576
    ISSN 1538-4047
    DOI 10.1080/15384047.2021.2024414
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Chemical constituents from the South China sea soft coral Sinularia humilis

    Li, Jie / Huan, Xia-Juan / Wu, Meng-Jun / Chen, Zi-Hui / Chen, Bao / Miao, Ze-Hong / Guo, Yue-Wei / Li, Xu-Wen

    Natural Product Research. 2022 July 1, v. 36, no. 13 p.3324-3330

    2022  

    Abstract: A new diterpenoid with an unusual capnosane skeleton, sinuhumilol A (1), alone with twelve known diverse compounds (2–13), were isolated from the South China Sea soft coral Sinularia humilis. Their structures and stereochemistry were elucidated by ... ...

    Abstract A new diterpenoid with an unusual capnosane skeleton, sinuhumilol A (1), alone with twelve known diverse compounds (2–13), were isolated from the South China Sea soft coral Sinularia humilis. Their structures and stereochemistry were elucidated by extensive spectroscopic analysis, quantum chemical calculations, and/or by the comparison of the spectroscopic data with those reported in the literature. In bioassay, compound 11 exhibited interesting specific cytotoxicity against the human colon adenocarcinoma cell line HT-29 with IC₅₀ value of 12.5 µM.
    Keywords Sinularia ; bioassays ; cell lines ; colon ; corals ; cytotoxicity ; diterpenoids ; humans ; neoplasm cells ; quantum mechanics ; spectral analysis ; stereochemistry ; South China Sea ; Soft coral ; Sinularia humilis ; capnosane
    Language English
    Dates of publication 2022-0701
    Size p. 3324-3330.
    Publishing place Taylor & Francis
    Document type Article ; Online
    ZDB-ID 2185747-7
    ISSN 1478-6427 ; 1478-6419
    ISSN (online) 1478-6427
    ISSN 1478-6419
    DOI 10.1080/14786419.2020.1855645
    Database NAL-Catalogue (AGRICOLA)

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  8. Article ; Online: Polymerase independent repression of FoxO1 transcription by sequence-specific PARP1 binding to FoxO1 promoter.

    Tian, Yu-Nan / Chen, Hua-Dong / Tian, Chang-Qing / Wang, Ying-Qing / Miao, Ze-Hong

    Cell death & disease

    2020  Volume 11, Issue 1, Page(s) 71

    Abstract: Poly(ADP-ribose) polymerase 1 (PARP1) regulates gene transcription in addition to functioning as a DNA repair factor. Forkhead box O1 (FoxO1) is a transcription factor involved in extensive biological processes. Here, we report that PARP1 binds to two ... ...

    Abstract Poly(ADP-ribose) polymerase 1 (PARP1) regulates gene transcription in addition to functioning as a DNA repair factor. Forkhead box O1 (FoxO1) is a transcription factor involved in extensive biological processes. Here, we report that PARP1 binds to two separate motifs on the FoxO1 promoter and represses its transcription in a polymerase-independent manner. Using PARP1-knock out (KO) cells, wild-type-PARP1-complemented cells and catalytic mutant PARP1
    MeSH term(s) Cell Line, Tumor ; Cell Proliferation/drug effects ; Cell Proliferation/genetics ; DNA Damage/drug effects ; Forkhead Box Protein O1/genetics ; Forkhead Box Protein O1/metabolism ; Gene Expression Regulation/genetics ; Gene Knockout Techniques ; Humans ; Mutation ; Poly (ADP-Ribose) Polymerase-1/antagonists & inhibitors ; Poly (ADP-Ribose) Polymerase-1/genetics ; Poly (ADP-Ribose) Polymerase-1/metabolism ; Poly(ADP-ribose) Polymerase Inhibitors/pharmacology ; Promoter Regions, Genetic ; Protein Binding ; Sarcoma, Ewing/genetics ; Sarcoma, Ewing/metabolism ; Up-Regulation
    Chemical Substances FOXO1 protein, human ; Forkhead Box Protein O1 ; Poly(ADP-ribose) Polymerase Inhibitors ; PARP1 protein, human (EC 2.4.2.30) ; Poly (ADP-Ribose) Polymerase-1 (EC 2.4.2.30)
    Language English
    Publishing date 2020-01-28
    Publishing country England
    Document type Journal Article
    ZDB-ID 2541626-1
    ISSN 2041-4889 ; 2041-4889
    ISSN (online) 2041-4889
    ISSN 2041-4889
    DOI 10.1038/s41419-020-2265-y
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Marine-derived angiogenesis inhibitors for cancer therapy.

    Wang, Ying-Qing / Miao, Ze-Hong

    Marine drugs

    2013  Volume 11, Issue 3, Page(s) 903–933

    Abstract: Angiogenesis inhibitors have been successfully used for cancer therapy in the clinic. Many marine-derived natural products and their analogues have been reported to show antiangiogenic activities. Compared with the drugs in the clinic, these agents ... ...

    Abstract Angiogenesis inhibitors have been successfully used for cancer therapy in the clinic. Many marine-derived natural products and their analogues have been reported to show antiangiogenic activities. Compared with the drugs in the clinic, these agents display interesting characteristics, including diverse sources, unique chemical structures, special modes of action, and distinct activity and toxicity profiles. This review will first provide an overview of the current marine-derived angiogenesis inhibitors based on their primary targets and/or mechanisms of action. Then, the marine-derived antiangiogenic protein kinase inhibitors will be focused on. And finally, the clinical trials of the marine-derived antiangiogenic agents will be discussed, with special emphasis on their application potentials, problems and possible coping strategies in their future development as anticancer drugs.
    MeSH term(s) Angiogenesis Inhibitors/isolation & purification ; Angiogenesis Inhibitors/pharmacology ; Animals ; Antineoplastic Agents/isolation & purification ; Antineoplastic Agents/pharmacology ; Aquatic Organisms ; Drug Design ; Humans ; Neoplasms/blood supply ; Neoplasms/drug therapy ; Neoplasms/pathology ; Neovascularization, Pathologic/drug therapy ; Neovascularization, Pathologic/pathology ; Protein Kinase Inhibitors/isolation & purification ; Protein Kinase Inhibitors/pharmacology
    Chemical Substances Angiogenesis Inhibitors ; Antineoplastic Agents ; Protein Kinase Inhibitors
    Language English
    Publishing date 2013-03-15
    Publishing country Switzerland
    Document type Comparative Study ; Journal Article ; Research Support, Non-U.S. Gov't ; Review
    ZDB-ID 2175190-0
    ISSN 1660-3397 ; 1660-3397
    ISSN (online) 1660-3397
    ISSN 1660-3397
    DOI 10.3390/md11030903
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Corrigendum to "Identification of 2-substituted pyrrolo[1,2-b]pyridazine derivatives as new PARP-1 inhibitors" [Bioorg. Med. Chem. Lett. 31 (2021) 127710].

    Xiang, Hao-Yue / Chen, Jian-Yang / Huan, Xia-Juan / Chen, Yi / Gao, Zhao-Bing / Ding, Jian / Miao, Ze-Hong / Yang, Chun-Hao

    Bioorganic & medicinal chemistry letters

    2021  Volume 56, Page(s) 128501

    Language English
    Publishing date 2021-12-12
    Publishing country England
    Document type Published Erratum
    ZDB-ID 1063195-1
    ISSN 1464-3405 ; 0960-894X
    ISSN (online) 1464-3405
    ISSN 0960-894X
    DOI 10.1016/j.bmcl.2021.128501
    Database MEDical Literature Analysis and Retrieval System OnLINE

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