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Merve Aydin E, Canıtez İS, Colombo E, Princiotto S, Passarella D, Dallavalle S, Christodoulou MS, Durmaz Şahin I. Targeting Ovarian Cancer with Chalcone Derivatives: Cytotoxicity and Apoptosis Induction in HGSOC Cells. Molecules 2023; 28:7777. [PMID: 38067507 PMCID: PMC10708092 DOI: 10.3390/molecules28237777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 11/16/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023] Open
Abstract
Ovarian cancer ranks as the eighth most prevalent form of cancer in women across the globe and stands as the third most frequent gynecological cancer, following cervical and endometrial cancers. Given its resistance to standard chemotherapy and high recurrence rates, there is an urgent imperative to discover novel compounds with potential as chemotherapeutic agents for treating ovarian cancer. Chalcones exhibit a wide array of biological properties, with a particular focus on their anti-cancer activities. In this research, we documented the synthesis and in vitro study of a small library of chalcone derivatives designed for use against high-grade serous ovarian cancer (HGSOC) cell lines, specifically OVCAR-3, OVSAHO, and KURAMOCHI. Our findings revealed that three of these compounds exhibited cytotoxic and anti-proliferative effects against all the tested HGSOC cell lines, achieving IC50 concentrations lower than 25 µM. Further investigations disclosed that these chalcones prompted an increase in the subG1 phase cell cycle and induced apoptosis in OVCAR-3 cells. In summary, our study underscores the potential of chalcones as promising agents for the treatment of ovarian cancer.
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Affiliation(s)
- Elif Merve Aydin
- Koç University Research Center for Translational Medicine (KUTTAM), Istanbul 34450, Turkey
| | - İdil Su Canıtez
- Koç University Research Center for Translational Medicine (KUTTAM), Istanbul 34450, Turkey
| | - Eleonora Colombo
- Dipartimento di Chimica, Università degli Studi di Milano, 20133 Milano, Italy
- Ann Romney Center for Neurologic Diseases, Department of Neurology, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - Salvatore Princiotto
- Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Celoria 2, 20133 Milan, Italy
| | - Daniele Passarella
- Dipartimento di Chimica, Università degli Studi di Milano, 20133 Milano, Italy
| | - Sabrina Dallavalle
- Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Celoria 2, 20133 Milan, Italy
| | - Michael S. Christodoulou
- Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, Via Celoria 2, 20133 Milan, Italy
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Lin VHC, Chien A, Chien EJ. The rapid activation of cPKCβII by progesterone results in the negative regulation of Ca 2+ influx in human resting T cells. J Chin Med Assoc 2023; 86:885-891. [PMID: 37496123 DOI: 10.1097/jcma.0000000000000970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/28/2023] Open
Abstract
BACKGROUND Progesterone-stimulated rapid suppression of phytohemagglutinin (PHA)-activated sustained membrane Ca 2+ influx is revealed by Mn 2+ quenching fura-2 fluorescence. Ca 2+ influx suppression results in immunosuppression of T-cell proliferation. Downregulation of protein kinase C (PKC) activity by phorbol 12-myristate 13-acetate (PMA) enhances the PHA-activated increase in sustained intracellular Ca 2+ concentration ([Ca 2+ ] i ) via Ca 2+ influx in T cells. Conventional PKC (cPKC) inhibitors also enhance the [Ca 2+ ] i increase in resting T cells caused by progesterone. This study explores whether cPKC activation by progesterone results in suppression of Ca 2+ influx in resting T cells. METHODS Progesterone, its analogs (R5020/Org OD 02-0), and plasma membrane-impermeable progesterone-bovine serum albumin conjugate were used to stimulate human resting T cells. Inhibitors and PKC downregulation by PMA were used to investigate whether cPKC affects Ca 2+ influx. RESULTS Progesterone and analogs dose-dependently suppressed Ca 2+ influx in T cells. One cPKC inhibitor, Ro318220, attenuated Ca 2+ influx suppression, and enhanced the increase in [Ca 2+ ] i caused by progesterone and analogs. U73122 did not affect Ca 2+ influx suppression but did decrease the [Ca 2+ ] i increase. Ca 2+ influx suppression was not attenuated by the cPKCα/βI isoform-selective inhibitor, Go6976, nevertheless, a cPKCβI/βII isoform-selective inhibitor, LY333531 did. Ca 2+ influx suppression was attenuated by the cPKCβII-specific inhibitor CGP53353. After PKC downregulated by PMA, Ca 2+ influx suppression by progesterone and analogs was almost abolished in parallel with a massive reduction in cPKCβII expression. This suggests cPKCβII activation by progesterone and analogs mediate Ca 2+ influx suppression in resting T cells. CONCLUSION Nongenomic membrane activation of cPKCβII by progesterone causes immunosuppression via negative regulation of Ca 2+ influx into human resting T cells. This prevents resting T-cell activation and proliferation, which protects the fetus from maternal immune attack while decreasing maternal autoimmune disease flare-ups during pregnancy. Thus, cPKCβII modulators might provide a new therapeutic approach to balancing T-cell tolerance and immunity.
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Affiliation(s)
- Veronica Hui-Chen Lin
- Department and Institute of Physiology, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Angela Chien
- Department of Biotechnology, School of Health Technology, Ming Chuan University, Taoyuan, Taiwan, ROC
| | - Eileen Jea Chien
- Department and Institute of Physiology, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
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Hybrid Catalysts from Copper Biosorbing Bacterial Strains and Their Recycling for Catalytic Application in the Asymmetric Addition Reaction of B2(pin)2 on α,β-Unsaturated Chalcones. Catalysts 2022. [DOI: 10.3390/catal12040433] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
The recycling of heavy metal contaminants from wastewater as a source of valuable products perfectly fits with the principles of a Circular Economy system in view of restoring pollutants back into the system endowed with new social and economic benefits. Heavy metals are often present in such a low concentration that it makes the removal efficiency difficult to realize through the conventional physicochemical methods with high selectivity. Biosorption, conversely, by EPSs (extracellular polymeric substances) produced by several bacterial cells’ strains, is gaining a great deal of attention as an economic, efficient and sustainable depolluting process of wastewater from metal cations such as copper. Metal coordination to EPS components was thus deeply investigated by 1H NMR titration experiments. The 1,10–Phenanthroline–copper complex was exploited for quantifying the ability of different strains to sequester copper by a practical UV-Vis spectrophotometric method. The obtained data distinguished Serratia plymuthica strain SC5II as the bacterial strain displaying copper-adsorbing properties higher than any other, with Stenotrophomonas sp. strain 13a resulting in the worst one. Different analytical techniques, i.e., Dynamic Light Scattering (DLS), FT-IR analysis and SEM spectroscopy were thus employed to rationalize these results. Finally, the obtained copper chelates were successfully employed as hybrid catalysts in the asymmetric boron addition to α,β-unsaturated chalcones for the synthesis of valuable pharmaceutical intermediates, thus placing waste management in a new circular perspective.
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Iacovino LG, Pinzi L, Facchetti G, Bortolini B, Christodoulou MS, Binda C, Rastelli G, Rimoldi I, Passarella D, Di Paolo ML, Dalla Via L. Promising Non-cytotoxic Monosubstituted Chalcones to Target Monoamine Oxidase-B. ACS Med Chem Lett 2021; 12:1151-1158. [PMID: 34262643 PMCID: PMC8274062 DOI: 10.1021/acsmedchemlett.1c00238] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 06/09/2021] [Indexed: 12/24/2022] Open
Abstract
A library of monosubstituted chalcones (1-17) bearing electron-donating and electron-withdrawing groups on both aromatic rings were selected. The cell viability on human tumor cell lines was evaluated first. The compounds unable to induce detectable cytotoxicity (1, 13, and 14) were tested using the monoamine oxidase (MAO) activity assay. Interestingly, they inhibit MAO-B, acting as competitive inhibitors, with 13 and 14 showing the best profiles. In particular, 13 exhibited a potency higher than that of safinamide, taken as a reference. Docking studies and crystallographic analysis showed that in human MAO-B 13 binds with the halogen-substituted aromatic ring in the entrance cavity, similar to safinamide, whereas 14 is accommodated in the opposite way. The main conclusion of this cell biology, biochemistry, and structural study is to highlights 13 as a chalcone derivative that is worth consideration for the development of novel MAO-B-selective inhibitors for the treatment of neurodegenerative diseases.
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Affiliation(s)
- Luca G. Iacovino
- Dipartimento
di Biologia e Biotecnologie, Università
di Pavia, Pavia 27100, Italy
| | - Luca Pinzi
- Dipartimento
di Scienze della Vita, Università
degli Studi di Modena e Reggio Emilia, Modena 41125, Italy
| | - Giorgio Facchetti
- DISFARM,
Sezione di Chimica Generale e Organica “A. Marchesini”, Università degli Studi di Milano, Milano 20133, Italy
| | - Beatrice Bortolini
- Dipartimento
di Scienze del Farmaco, Università
degli Studi di Padova, Padova 35131, Italy
| | - Michael S. Christodoulou
- DISFARM,
Sezione di Chimica Generale e Organica “A. Marchesini”, Università degli Studi di Milano, Milano 20133, Italy
| | - Claudia Binda
- Dipartimento
di Biologia e Biotecnologie, Università
di Pavia, Pavia 27100, Italy
| | - Giulio Rastelli
- Dipartimento
di Scienze della Vita, Università
degli Studi di Modena e Reggio Emilia, Modena 41125, Italy
| | - Isabella Rimoldi
- DISFARM,
Sezione di Chimica Generale e Organica “A. Marchesini”, Università degli Studi di Milano, Milano 20133, Italy
| | - Daniele Passarella
- Dipartimento
di Chimica, Università degli Studi
di Milano, Milano 20133, Italy
| | - Maria Luisa Di Paolo
- Dipartimento
di Medicina Molecolare, Università
degli Studi di Padova, Padova 35131, Italy
| | - Lisa Dalla Via
- Dipartimento
di Scienze del Farmaco, Università
degli Studi di Padova, Padova 35131, Italy
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González LA, Upegui YA, Rivas L, Echeverri F, Escobar G, Robledo SM, Quiñones W. Effect of substituents in the A and B rings of chalcones on antiparasite activity. Arch Pharm (Weinheim) 2020; 353:e2000157. [PMID: 33252148 DOI: 10.1002/ardp.202000157] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 07/25/2020] [Accepted: 07/29/2020] [Indexed: 12/18/2022]
Abstract
Chalcones are a group of natural products with many recognized biological activities, including antiparasitic activity. Although a lot of chalcones have been synthetized and assayed against parasites, the number of structural features known to be involved in this biological property is small. Thus, in the present study, 21 chalcones were synthesized to determine the effect of substituents in the A and B rings on the activity against Leishmania braziliensis, Trypanosoma cruzi, and Plasmodium falciparum. The compounds were active against L. braziliensis in a structure-dependent manner. Only one compound was very active against T. cruzi, but none of them had a significant antiplasmodial activity. The electron-donating substituents in ring B and the hydrogen bonds at C-2' with carbonyl affect the antiparasitic activity.
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Affiliation(s)
- Luis A González
- Grupo de Química Orgánica de Productos Naturales (QOPN), Facultad de Ciencias Exactas y Naturales, Instituto de Química, Universidad de Antioquia, Medellín, Colombia
| | - Yulieth A Upegui
- Grupo de Química Orgánica de Productos Naturales (QOPN), Facultad de Ciencias Exactas y Naturales, Instituto de Química, Universidad de Antioquia, Medellín, Colombia.,PECET-Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
| | - Luis Rivas
- Grupo de Investigación en Péptidos Antibióticos Eucarióticos, Centro de Investigaciones Biológicas, Madrid, España
| | - Fernando Echeverri
- Grupo de Química Orgánica de Productos Naturales (QOPN), Facultad de Ciencias Exactas y Naturales, Instituto de Química, Universidad de Antioquia, Medellín, Colombia
| | - Gustavo Escobar
- Grupo de Química Orgánica de Productos Naturales (QOPN), Facultad de Ciencias Exactas y Naturales, Instituto de Química, Universidad de Antioquia, Medellín, Colombia
| | - Sara M Robledo
- PECET-Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
| | - Wiston Quiñones
- Grupo de Química Orgánica de Productos Naturales (QOPN), Facultad de Ciencias Exactas y Naturales, Instituto de Química, Universidad de Antioquia, Medellín, Colombia
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Rimoldi I, Bucci R, Feni L, Santagostini L, Facchetti G, Pellegrino S. Exploring the copper binding ability of Mets7 hCtr-1 protein domain and His7 derivative: An insight in Michael addition catalysis. J Pept Sci 2020; 27:e3289. [PMID: 33094563 DOI: 10.1002/psc.3289] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/18/2020] [Accepted: 09/21/2020] [Indexed: 12/16/2022]
Abstract
Mets7 is a methionine-rich motif present in hCtr-1 transporter that is involved in copper cellular trafficking. Its ability to bind Cu(I) was recently exploited to develop metallopeptide catalysts for Henry condensation. Here, the catalytic activity of Mets7-Cu(I) complex in Michael addition reactions has been evaluated. Furthermore, His7 peptide, in which Met residues have been substituted with His ones, was also prepared. This substitution allowed His7 to coordinate Cu (II), with the obtainment of a stable turn conformation as evicted by CD experiments. His7-Cu (II) proved also to be a better catalyst than Mets7-Cu(I) in the addition reaction. In particular, when the substrate was the (E)-1-phenyl-3-(pyridin-2-yl)prop-2-en-1-one, a conversion of 71% and a significative 58% of e.e. was observed.
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Affiliation(s)
- Isabella Rimoldi
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Milano, Milan, Italy
| | - Raffaella Bucci
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Milano, Milan, Italy
| | - Lucia Feni
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Milano, Milan, Italy
| | | | - Giorgio Facchetti
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Milano, Milan, Italy
| | - Sara Pellegrino
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Milano, Milan, Italy
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