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LSD1 inhibitor

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https://www.readbyqxmd.com/read/28800922/inhibition-of-h3k4-demethylation-induces-autophagy-in-cancer-cell-lines
#1
Zhen Wang, Qiao-Yun Long, Lin Chen, Jia-Dong Fan, Zhao-Ning Wang, Lian-Yun Li, Min Wu
Epigenetic factors and related small molecules have emerged to be strongly involved in autophagy process. Here we report that 2-PCPA and GSK-LSD1, two inhibitors of histone H3K4 demethylase KDM1A/LSD1, induce autophagy in multiple mammalian cell lines. The two small molecules induce accumulation of LC3II, formation of autophagosome and autolysosome, and SQSTM1/p62 degradation. 2-PCPA treatment inhibits cell proliferation through cell cycle arrest but does not inducing cell death. Exogenous expression of KDM1A/LSD1 impaired the autophagic phenotypes triggered by 2-PCPA...
August 8, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28783174/lysine-specific-demethylase-lsd1-regulates-autophagy-in-neuroblastoma-through-sesn2-dependent-pathway
#2
S Ambrosio, C D Saccà, S Amente, S Paladino, L Lania, B Majello
Autophagy is a physiological process, important for recycling of macromolecules and maintenance of cellular homeostasis. Defective autophagy is associated with tumorigenesis and has a causative role in chemotherapy resistance in leukemia and in solid cancers. Here, we report that autophagy is regulated by the lysine-specific demethylase LSD1/KDM1A, an epigenetic marker whose overexpression is a feature of malignant neoplasia with an instrumental role in cancer development. In the present study, we determine that two different LSD1 inhibitors (TCP and SP2509) as well as selective ablation of LSD1 expression promote autophagy in neuroblastoma cells...
August 7, 2017: Oncogene
https://www.readbyqxmd.com/read/28778066/inhibition-of-lsd1-epigenetically-attenuates-oral-cancer-growth-and-metastasis
#3
Saqer F Alsaqer, Mustafa M Tashkandi, Vinay K Kartha, Ya-Ting Yang, Yazeed Alkheriji, Andrew Salama, Xaralabos Varelas, Maria Kukuruzinska, Stefano Monti, Manish V Bais
Lysine-specific demethylase 1 (LSD1) is a nuclear histone demethylase and a member of the amine oxidase (AO) family. LSD1 is a flavin-containing AO that specifically catalyzes the demethylation of mono- and di-methylated histone H3 lysine 4 through an FAD-dependent oxidative reaction. LSD1 is inappropriately upregulated in lung, liver, brain and esophageal cancers, where it promotes cancer initiation, progression, and metastasis. However, unlike other lysine-specific demethylases, the role and specific targets of LSD1 in oral squamous cell carcinoma (OSCC) pathogenesis remain unknown...
July 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722477/advances-toward-lsd1-inhibitors-for-cancer-therapy
#4
Xiaoli Fu, Peng Zhang, Bin Yu
LSD1 has become an important biologically validated epigenetic target for cancer therapy since its identification in 2004. LSD1 mediates many cellular signaling pathways and is involved in the initiation and development of cancers. Aberrant overexpression of LSD1 has been observed in different types of cancers, and inactivation by small molecules suppresses cancer cell differentiation, proliferation, invasion and migration. To date, a large number of LSD1 inhibitors have been reported, RG6016, GSK-2879552, INCB059872, IMG-7289 and CC-90011 are currently undergoing clinical assessment for the treatment of acute myeloid leukemia, small-cell lung cancer, etc...
July 2017: Future Medicinal Chemistry
https://www.readbyqxmd.com/read/28722470/novel-potent-inhibitors-of-the-histone-demethylase-kdm1a-lsd1-orally-active-in-a-murine-promyelocitic-leukemia-model
#5
Paolo Trifirò, Anna Cappa, Silvia Brambillasca, Oronza A Botrugno, Maria Rosaria Cera, Roberto Dal Zuffo, Paola Dessanti, Giuseppe Meroni, Florian Thaler, Manuela Villa, Saverio Minucci, Ciro Mercurio, Mario Varasi, Paola Vianello
BACKGROUND: Histone lysine demethylases (KDMs) are well-recognized targets in oncology drug discovery. They function at the post-translation level controlling chromatin conformation and gene transcription. KDM1A is a flavin adenine dinucleotide-dependent amine oxidase, overexpressed in several tumor types, including acute myeloid leukemia, neuroblastoma and non-small-cell lung cancer. Among the many known monoamine oxidase inhibitors screened for KDM1A inhibition, tranylcypromine emerged as a moderately active hit, which irreversibly binds to the flavin adenine dinucleotide cofactor...
July 2017: Future Medicinal Chemistry
https://www.readbyqxmd.com/read/28699367/a-comprehensive-review-of-lysine-specific-demethylase-1-and-its-roles-in-cancer
#6
Amir Hosseini, Saverio Minucci
Histone methylation plays a key role in the regulation of chromatin structure, and its dynamics regulates important cellular processes. The investigation of the role of alterations in histone methylation in cancer has led to the identification of histone methyltransferases and demethylases as promising novel targets for therapy. Lysine-specific demethylase 1(LSD1, also known as KDM1A) is the first discovered histone lysine demethylase, with the ability to demethylase H3K4me1/2 and H3K9me1/2 at target loci in a context-dependent manner...
July 12, 2017: Epigenomics
https://www.readbyqxmd.com/read/28667074/lsd1-inhibitor-t-3775440-inhibits-sclc-cell-proliferation-by-disrupting-lsd1-interactions-with-snag-domain-proteins-insm1-and-gfi1b
#7
Shinji Takagi, Yoshinori Ishikawa, Akio Mizutani, Shinji Iwasaki, Satoru Matsumoto, Yusuke Kamada, Toshiyuki Nomura, Kazuhide Nakamura
T-3775440 is an irreversible inhibitor of the chromatin demethylase LSD1, which exerts antiproliferative effects by disrupting the interaction between LSD1 and GFI1B, a SNAG domain transcription factor, inducing leukemia cell transdifferentiation. Here, we describe the anticancer effects and mechanism of action of T-3775440 in small-cell lung cancer (SCLC). T-3775440 inhibited proliferation of SCLC cells in vitro and retarded SCLC tumor growth in vivo T-3775440 disrupted the interaction between LSD1 and the transcriptional repressor INSM1, thereby inhibiting expression of neuroendocrine-associated genes, such as ASCL1 INSM1 silencing phenocopied the effects of T-3775440 on gene expression and cell proliferation, consistent with the likelihood T-3775440 mediated its effects in SCLC by inhibiting INSM1...
June 30, 2017: Cancer Research
https://www.readbyqxmd.com/read/28617441/concomitant-epigenetic-targeting-of-lsd1-and-hdac-synergistically-induces-mitochondrial-apoptosis-in-rhabdomyosarcoma-cells
#8
Tinka Haydn, Eric Metzger, Roland Schuele, Simone Fulda
The lysine-specific demethylase 1 (LSD1) is overexpressed in several cancers including rhabdomyosarcoma (RMS). However, little is yet known about whether or not LSD1 may serve as therapeutic target in RMS. We therefore investigated the potential of LSD1 inhibitors alone or in combination with other epigenetic modifiers such as histone deacetylase (HDAC) inhibitors. Here, we identify a synergistic interaction of LSD1 inhibitors (i.e., GSK690, Ex917) and HDAC inhibitors (i.e., JNJ-26481585, SAHA) to induce cell death in RMS cells...
June 15, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28610981/3d-qsar-comfa-comsia-molecular-docking-and-molecular-dynamics-simulations-study-of-6-aryl-5-cyano-pyrimidine-derivatives-to-explore-the-structure-requirements-of-lsd1-inhibitors
#9
Lina Ding, Zhi-Zheng Wang, Xu-Dong Sun, Jing Yang, Chao-Ya Ma, Wen Li, Hong-Min Liu
Recently, Histone Lysine Specific Demethylase 1 (LSD1) was regarded as a promising anticancer target for the novel drug discovery. And several small molecules as LSD1 inhibitors in different structures have been reported. In this work, we carried out a molecular modeling study on the 6-aryl-5-cyano-pyrimidine fragment LSD1 inhibitors using three-dimensional quantitative structure-activity relationship (3D-QSAR), molecular docking and molecular dynamics simulations. Comparative molecular field analysis (CoMFA) and comparative molecular similarity indices analysis (CoMSIA) were used to generate 3D-QSAR models...
August 1, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28571892/lpe-1-an-orally-active-pyrimidine-derivative-inhibits-growth-and-mobility-of-human-esophageal-cancers-by-targeting-lsd1
#10
Bo Wang, Bing Zhao, Lu-Ping Pang, Yuan-Di Zhao, Qian Guo, Jun-Wei Wang, Yi-Chao Zheng, Xin-Hui Zhang, Ying Liu, Guang-Yao Liu, Wen-Ge Guo, Chao Wang, Zhong-Hua Li, Xue-Jing Mao, Bin Yu, Li-Ying Ma, Hong-Min Liu
Histone lysine specific demethylase 1 (LSD1) plays an important role in epigenetic modifications, and aberrant expression of LSD1 predicts tumor progression and poor prognosis in human esophageal cancers. In this study, a series of LSD1 inhibitors were synthesized and proved to be highly potent against human esophageal squamous cell carcinoma (ESCC). Our data showed that these LSD1 inhibitors selectively suppressed the viability of esophageal cancer cell line (EC-109) bearing overexpressed LSD1. Among these, compound LPE-1 (LSD1 IC50=0...
May 30, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28545974/development-of-5-hydroxypyrazole-derivatives-as-reversible-inhibitors-of-lysine-specific-demethylase-1
#11
Daniel P Mould, Ulf Bremberg, Allan M Jordan, Matthis Geitmann, Alba Maiques-Diaz, Alison E McGonagle, Helen F Small, Tim C P Somervaille, Donald Ogilvie
A series of reversible inhibitors of lysine specific demethylase 1 (LSD1) with a 5-hydroxypyrazole scaffold have been developed from compound 7, which was identified from the patent literature. Surface plasmon resonance (SPR) and biochemical analysis showed it to be a reversible LSD1 inhibitor with an IC50 value of 0.23µM. Optimisation of this compound by rational design afforded compounds with Kd values of <10nM. In human THP-1 cells, these compounds were found to upregulate the expression of the surrogate cellular biomarker CD86...
May 8, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28486922/an-overview-on-screening-methods-for-lysine-specific-demethylase-1-lsd1-inhibitors
#12
Yi-Chao Zheng, Jiao Chang, Ting Zhang, Feng-Zhi Suo, Xiao-Bing Chen, Ying Liu, Bing Zhao, Bin Yu, Hong-Min Liu
BACKGROUND: In the past few years, lots of attention has been given to the identification and characterization of selective and potent inhibitors of the first identified histone demethylase LSD1, which may erase mono- and di-methylated histone 3 lysine 4 and 9. As the aberrant overexpression of LSD1 is involved in various pathological processes, especially cancer, obtaining selective and potent LSD1 inhibitors has emerged as a crucial issue in medicinal chemistry research. METHOD: Until now, several LSD1 inhibitor screening models have been established, including enzyme coupled assay, LC-MS based assay, FRET based assay...
May 8, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28460360/design-synthesis-and-biological-activity-of-3-oxoamino-benzenesulfonamides-as-selective-and-reversible-lsd1-inhibitors
#13
Jiayue Xi, Siyuan Xu, Liming Wu, Tianfang Ma, Rongfeng Liu, Yu-Chih Liu, Dawei Deng, Yueqing Gu, Jinpei Zhou, Fei Lan, Xiaoming Zha
Lysine specific demethylase 1 (LSD1) is a flavin-dependent amine oxidase that selectively removes one or two methyl groups from H3 at Lys4 and is recognized as a promising therapeutic target for cancer and other diseases. Here, a series of 3-oxoamino-benzenesulfonamides were synthesized and evaluated for their inhibitory activity against LSD1. Compounds 7b and 7h showed the most potent inhibition with the IC50 values of 9.5 and 6.9μM, respectively. Furthermore, the LSD1 inhibition of 7b and 7h were reversible and selective...
June 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28435523/discovery-of-1-2-3-triazolo-4-5-d-pyrimidine-derivatives-as-novel-lsd1-inhibitors
#14
Zhong-Hua Li, Xue-Qi Liu, Peng-Fei Geng, Feng-Zhi Suo, Jin-Lian Ma, Bin Yu, Tao-Qian Zhao, Zhao-Qing Zhou, Chen-Xi Huang, Yi-Chao Zheng, Hong-Min Liu
Lysine specific demethylase 1 (LSD1) plays a pivotal role in regulating the lysine methylation. The aberrant overexpression of LSD1 has been reported to be involved in the progression of certain human malignant tumors. Abrogation of LSD1 with RNAi or small molecule inhibitors may lead to the inhibition of cancer proliferation and migration. Herein, a series of [1,2,3]triazolo[4,5-d]pyrimidine derivatives were synthesized and evaluated for their LSD1 inhibitory effects. The structure-activity relationship studies (SARs) were conducted by exploring three regions of this scaffold, leading to the discovery of compound 27 as potent LSD1 inhibitor (IC50 = 0...
April 13, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28416745/stable-h3-peptide-was-delivered-by-gold-nanorods-to-inhibit-lsd1-activation-and-induce-human-mesenchymal-stem-cells-differentiation
#15
Xin Meng, Jianping Li, Minjuan Zheng, Lei Zuo, Chao Sun, Yongsheng Zhu, Ling Fang, Liwen Liu, Xiaodong Zhou
Recently, lysine-specific demethylase 1 (LSD1), which is the first identified histone demethylase, regulates post-translational modifications and has great promise as new targets for cancer and other diseases. Moreover, the ability of LSD1 to induce the differentiation of stem cells has attracted great attention in biological fields. In this study, we designed LSD1 peptide inhibitor based on its substrate H3 peptide. Through introducing a disulfide bond to stabilize the native peptide into alpha helical structure, we get a peptide with higher cell permeability and stability compared to its parent form...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28404874/identification-of-jl1037-as-a-novel-specific-reversible-lysine-specific-demethylase-1-inhibitor-that-induce-apoptosis-and-autophagy-of-aml-cells
#16
Shuang Liu, Wenting Lu, Shouyun Li, Saisai Li, Jia Liu, Yuanyuan Xing, Shuzu Zhang, Joe Zhongxiang Zhou, Haiyan Xing, Yingxi Xu, Qing Rao, Chengjun Deng, Min Wang, Jianxiang Wang
Lysine-specific demethylase 1 (LSD1) has been recognized as a potential therapeutic target for acute myeloid leukemia (AML). Herein, we identified a novel LSD1 inhibitor, JL1037, via Computer Aided Drug Design technology. JL1037 is a potent, selective and reversible LSD1 inhibitor with IC50s of 0.1 μM and >1.5 μM for LSD1 and monoamine oxidases A/B (MAO-A/B), respectively. Treatment of THP-1 and Kasumi-1 cell lines with JL1037 resulted in dose dependent accumulation of H3K4me1 and H3K4me2, the major substrates of LSD1, as well as inhibition of cell proliferation, blockade of cell cycle and induction of apoptosis...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28390942/fluorinated-tranylcypromine-analogues-as-inhibitors-of-lysine-specific-demethylase-1-lsd1-kdm1a
#17
Maria Teresa Borrello, Benjamin Schinor, Katharina Bartels, Hanae Benelkebir, Sara Pereira, Wafa T Al-Jamal, Leon Douglas, Patrick J Duriez, Graham Packham, Günter Haufe, A Ganesan
We report a series of tranylcypromine analogues containing a fluorine in the cyclopropyl ring. A number of compounds with additional m- or p-substitution of the aryl ring were micromolar inhibitors of the LSD1 enzyme. In cellular assays, the compounds inhibited the proliferation of acute myeloid leukemia cell lines. Increased levels of the biomarkers H3K4me2 and CD86 were consistent with LSD1 target engagement.
March 29, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28377178/targeting-kdm1a-attenuates-wnt-%C3%AE-catenin-signaling-pathway-to-eliminate-sorafenib-resistant-stem-like-cells-in-hepatocellular-carcinoma
#18
Mengxi Huang, Cheng Chen, Jian Geng, Dong Han, Tao Wang, Tao Xie, Liya Wang, Ye Wang, Chunhua Wang, Zengjie Lei, Xiaoyuan Chu
Use of the tyrosine kinase inhibitor sorafenib in patients with advanced hepatocellular carcinoma (HCC) is often hindered by the development of resistance, which has been recently shown to be associated with the emergence of a cancer stem cell (CSC) subpopulation. However, it remains largely unknown whether epigenetic mechanisms, especially histone posttranslational modifications, are causally linked to the maintenance of stem-like properties in sorafenib-resistant HCC. In this study, we report that the activity of lysine-specific histone demethylase 1A (KDM1A or LSD1) is required for the emergence of cancer stem cells following prolonged sorafenib treatment...
July 10, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28336409/development-and-crystallographic-evaluation-of-histone-h3-peptide-with-n-terminal-serine-substitution-as-a-potent-inhibitor-of-lysine-specific-demethylase-1
#19
Yuichi Amano, Masaki Kikuchi, Shin Sato, Shigeyuki Yokoyama, Takashi Umehara, Naoki Umezawa, Tsunehiko Higuchi
Lysine-specific demethylase 1 (LSD1/KDM1A) is a flavoenzyme demethylase, which removes mono- and dimethyl groups from histone H3 Lys4 (H3K4) or Lys9 (H3K9) in complexes with several nuclear proteins. Since LSD1 is implicated in the tumorigenesis and progression of various cancers, LSD1-specific inhibitors are considered as potential anti-cancer agents. A modified H3 peptide with substitution of Lys4 to Met [H3K4M] is already known to be a potent competitive inhibitor of LSD1. In this study, we synthesized a series of H3K4M peptide derivatives and evaluated their LSD1-inhibitory activities in vitro...
March 9, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28322226/highly-effective-combination-of-lsd1-kdm1a-antagonist-and-pan-histone-deacetylase-inhibitor-against-human-aml-cells
#20
W Fiskus, S Sharma, B Shah, B P Portier, S G T Devaraj, K Liu, S P Iyer, D Bearss, K N Bhalla
No abstract text is available yet for this article.
March 21, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
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