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Platella C, Criscuolo A, Riccardi C, Gaglione R, Arciello A, Musumeci D, DellaGreca M, Montesarchio D. Exploring the Binding of Natural Compounds to Cancer-Related G-Quadruplex Structures: From 9,10-Dihydrophenanthrenes to Their Dimeric and Glucoside Derivatives. Int J Mol Sci 2023; 24:ijms24097765. [PMID: 37175474 PMCID: PMC10178421 DOI: 10.3390/ijms24097765] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/19/2023] [Accepted: 04/21/2023] [Indexed: 05/15/2023] Open
Abstract
In-depth studies on the interaction of natural compounds with cancer-related G-quadruplex structures have been undertaken only recently, despite their high potential as anticancer agents, especially due to their well-known and various bioactivities. In this frame, aiming at expanding the repertoire of natural compounds able to selectively recognize G-quadruplexes, and particularly focusing on phenanthrenoids, a mini-library including dimeric (1-3) and glucoside (4-5) analogues of 9,10-dihydrophenanthrenes, a related tetrahydropyrene glucoside (6) along with 9,10-dihydrophenanthrene 7 were investigated here by several biophysical techniques and molecular docking. Compounds 3 and 6 emerged as the most selective G-quadruplex ligands within the investigated series. These compounds proved to mainly target the grooves/flanking residues of the hybrid telomeric and parallel oncogenic G-quadruplex models exploiting hydrophobic, hydrogen bond and π-π interactions, without perturbing the main folds of the G-quadruplex structures. Notably, a binding preference was found for both ligands towards the hybrid telomeric G-quadruplex. Moreover, compounds 3 and 6 proved to be active on different human cancer cells in the low micromolar range. Overall, these compounds emerged as useful ligands able to target G-quadruplex structures, which are of interest as promising starting scaffolds for the design of analogues endowed with high and selective anticancer activity.
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Affiliation(s)
- Chiara Platella
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia 21, 80126 Naples, Italy
| | - Andrea Criscuolo
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia 21, 80126 Naples, Italy
| | - Claudia Riccardi
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia 21, 80126 Naples, Italy
| | - Rosa Gaglione
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia 21, 80126 Naples, Italy
| | - Angela Arciello
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia 21, 80126 Naples, Italy
| | - Domenica Musumeci
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia 21, 80126 Naples, Italy
- Institute of Biostructures and Bioimages, CNR, 80134 Naples, Italy
| | - Marina DellaGreca
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia 21, 80126 Naples, Italy
| | - Daniela Montesarchio
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia 21, 80126 Naples, Italy
- CINMPIS-Consorzio Interuniversitario Nazionale di Ricerca in Metodologie e Processi Innovativi di Sintesi, Via E. Orabona 4, 70125 Bari, Italy
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Gaglione R, Pane K, Dell’Olmo E, Cafaro V, Pizzo E, Olivieri G, Notomista E, Arciello A. Cost-effective production of recombinant peptides in Escherichia coli. N Biotechnol 2019; 51:39-48. [DOI: 10.1016/j.nbt.2019.02.004] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 02/12/2019] [Accepted: 02/16/2019] [Indexed: 01/08/2023]
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Del Giudice R, Pesce A, Cozzolino F, Monti M, Relini A, Piccoli R, Arciello A, Monti DM. Effects of iron on the aggregation propensity of the N-terminal fibrillogenic polypeptide of human apolipoprotein A-I. Biometals 2018; 31:551-559. [DOI: 10.1007/s10534-018-0101-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 04/03/2018] [Indexed: 12/23/2022]
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Phenolic compounds from Syzygium jambos (Myrtaceae) exhibit distinct antioxidant and hepatoprotective activities in vivo. J Funct Foods 2018. [DOI: 10.1016/j.jff.2017.12.055] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
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Petruk G, Donadio G, Lanzilli M, Isticato R, Monti DM. Alternative use of Bacillus subtilis spores: protection against environmental oxidative stress in human normal keratinocytes. Sci Rep 2018; 8:1745. [PMID: 29379084 PMCID: PMC5788939 DOI: 10.1038/s41598-018-20153-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 01/15/2018] [Indexed: 12/25/2022] Open
Abstract
Inorganic trivalent arsenic is a major environmental pollutant and exposure to human results in many pathologies, including keratosis and carcinoma. Here, we analyzed the effects of B. subtilis spores on human normal keratinocytes in the presence of sodium arsenite oxidative stress. Pre-treatment of cells with spores before inducing oxidative stress was able to keep normal levels of intracellular ROS, GSH and lipid peroxidation, as well as to inhibit the activation of the MAPK cascade. Moreover, spores showed a positive effect on cell proliferation, probably due to their binding on the cell surface and the activation of intracellular catalases. We found that spores exert their protective effect by the nuclear translocation of Nrf-2, involved in the activation of stress response genes. This, in turn, resulted in a protective effect against sodium arsenite stress injury, as oxidative stress markers were reported to physiological levels when cells were stressed before incubating them with spores. Therefore, B. subtilis spores can be considered as a new agent to counteract oxidative stress on normal human keratinocytes.
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Affiliation(s)
- Ganna Petruk
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario Monte Sant'Angelo, via Cinthia 4, 80126, Naples, Italy
| | - Giuliana Donadio
- Department of Biology, University of Naples Federico II, Complesso Universitario Monte Sant'Angelo, via Cinthia 4, 80126, Naples, Italy
| | - Mariamichela Lanzilli
- Department of Biology, University of Naples Federico II, Complesso Universitario Monte Sant'Angelo, via Cinthia 4, 80126, Naples, Italy
| | - Rachele Isticato
- Department of Biology, University of Naples Federico II, Complesso Universitario Monte Sant'Angelo, via Cinthia 4, 80126, Naples, Italy.
| | - Daria Maria Monti
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario Monte Sant'Angelo, via Cinthia 4, 80126, Naples, Italy. .,Istituto Nazionale di Biostrutture e Biosistemi (INBB), Rome, Italy.
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Gaglione R, Smaldone G, Di Girolamo R, Piccoli R, Pedone E, Arciello A. Cell milieu significantly affects the fate of AApoAI amyloidogenic variants: predestination or serendipity? Biochim Biophys Acta Gen Subj 2017; 1862:377-384. [PMID: 29174954 DOI: 10.1016/j.bbagen.2017.11.018] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 11/17/2017] [Accepted: 11/21/2017] [Indexed: 12/12/2022]
Abstract
BACKGROUND Specific apolipoprotein A-I variants are associated to severe hereditary amyloidoses. The organ distribution of AApoAI amyloidosis seems to depend on the position of the mutation, since mutations in residues from 1 to 75 are mainly associated to hepatic and renal amyloidosis, while mutations in residues from 173 to 178 are mostly responsible for cardiac, laryngeal, and cutaneous amyloidosis. Molecular bases of this tissue specificity are still poorly understood, but it is increasingly emerging that protein destabilization induced by amyloidogenic mutations is neither necessary nor sufficient for amyloidosis development. METHODS By using a multidisciplinary approach, including circular dichroism, dynamic light scattering, spectrofluorometric and atomic force microscopy analyses, the effect of target cells on the conformation and fibrillogenic pathway of the two AApoAI amyloidogenic variants AApoAIL75P and AApoAIL174S has been monitored. RESULTS Our data show that specific cell milieus selectively affect conformation, aggregation propensity and fibrillogenesis of the two AApoAI amyloidogenic variants. CONCLUSIONS An intriguing picture emerged indicating that defined cell contexts selectively induce fibrillogenesis of specific AApoAI variants. GENERAL SIGNIFICANCE An innovative methodological approach, based on the use of whole intact cells to monitor the effects of cell context on AApoAI variants fibrillogenic pathway, has been set up.
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Affiliation(s)
- Rosa Gaglione
- Department of Chemical Sciences, University of Naples Federico II, 80126 Naples, Italy
| | | | - Rocco Di Girolamo
- Department of Chemical Sciences, University of Naples Federico II, 80126 Naples, Italy
| | - Renata Piccoli
- Department of Chemical Sciences, University of Naples Federico II, 80126 Naples, Italy; Istituto Nazionale di Biostrutture e Biosistemi (INBB), Italy
| | - Emilia Pedone
- Istituto di Biostrutture e Bioimmagini, CNR, Naples, Italy; Research Centre on Bioactive Peptides (CIRPeB), University of Naples Federico II, Via Mezzocannone 16, 80134 Naples, Italy.
| | - Angela Arciello
- Department of Chemical Sciences, University of Naples Federico II, 80126 Naples, Italy; Istituto Nazionale di Biostrutture e Biosistemi (INBB), Italy.
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Kaur M, Roberts S, Healy J, Domigan L, Vasudevamurthy M, Gerrard JA, Sasso L. Crystallin Nanofibrils: A Functionalizable Nanoscaffold with Broad Applications Manufactured from Waste. Chempluschem 2015; 80:810-819. [DOI: 10.1002/cplu.201500033] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Indexed: 12/20/2022]
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Yang JE, Park JS, Cho E, Jung S, Paik SR. Robust polydiacetylene-based colorimetric sensing material developed with amyloid fibrils of α-synuclein. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:1802-1810. [PMID: 25602613 DOI: 10.1021/la504645m] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Robust polydiacetylene-based colorimetric sensing material has been developed with amyloid fibrils of α-synuclein in the presence of 10,12-pentacosadiynoic acid (PCDA) by taking advantage of the specific fatty acid interaction of α-synuclein and structural regularity of the self-assembled product of amyloid fibrils. PCDA facilitated not only self-oligomerization of α-synuclein but also its fibrillation into the fibrils with increased thickness. Upon UV irradiation, the PCDA-containing amyloid fibrils (AF-PCDAs) turned blue, which then became red following heat treatment. The blue-to-red color transition was also observed with other stimuli of pH and ethanol. AF-PCDAs were demonstrated to be mechanically stable since not only the individual colors of blue and red but also their colorimetric transition were not affected by a number of sonications which readily disrupted the polydiaceylene (PDA) vesicles with the instant loss of color. Therefore, AF-PCDA can be considered to be a novel PDA-based colorimetric sensing material with high mechanical strength, which has the potential to be employed in various areas involving advanced sensing technologies.
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Affiliation(s)
- Jee Eun Yang
- School of Chemical and Biological Engineering, Institute of Chemical Processes, College of Engineering, Seoul National University , Seoul 151-744, Korea
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Hauser CAE, Maurer-Stroh S, Martins IC. Amyloid-based nanosensors and nanodevices. Chem Soc Rev 2014; 43:5326-45. [DOI: 10.1039/c4cs00082j] [Citation(s) in RCA: 132] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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In vivo self-assembly of stable green fluorescent protein fusion particles and their uses in enzyme immobilization. Appl Environ Microbiol 2014; 80:3062-71. [PMID: 24610847 DOI: 10.1128/aem.00323-14] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Bacterial inclusion bodies are aggregations of mostly inactive and misfolded proteins. However, previously the in vivo self-assembly of green fluorescent protein (GFP) fusions into fluorescent particles which displayed specific binding sites suitable for applications in bioseparation and diagnostics was demonstrated. Here, the suitability of GFP particles for enzyme immobilization was assessed. The enzymes tested were a thermostable α-amylase from Bacillus licheniformis, N-acetyl-d-neuraminic acid aldolase (NanA) from Escherichia coli, and organophosphohydrolase (OpdA) from Agrobacterium radiobacter. Respective GFP particles were isolated and could be stably maintained outside the cell. These enzyme-bearing GFP particles exhibited considerable stability across a range of temperature, pH, and storage conditions and could be recycled. The α-amylase-bearing particles retained activity after treatments at 4 to 85°C and at pHs 4 to 10, were stable for 3 months at 4°C, and could be recycled up to three times. OpdA-bearing particles retained degradation activity after treatments at 4 to 45°C and at pHs 5 to 10 and were able to be recycled up to four times. In contrast, the performance of NanA-bearing particles rapidly declined (>50% loss) after each recycling step and 3 months storage at 4°C. However, they were still able to convert N-acetylmannosamine and pyruvate to N-acetylneuraminic acid after treatment at 4 to 85°C and at pHs 4 to 11. Fluorescent GFP fusion particles represent a novel method for the immobilization and display of enzymes. Potential applications include diagnostic assays, biomass conversion, pharmaceutical production, and bioremediation.
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Forman CJ, Wang N, Yang ZY, Mowat CG, Jarvis S, Durkan C, Barker PD. Probing the location of displayed cytochrome b562 on amyloid by scanning tunnelling microscopy. NANOTECHNOLOGY 2013; 24:175102. [PMID: 23571459 DOI: 10.1088/0957-4484/24/17/175102] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Amyloid fibres displaying cytochrome b562 were probed using scanning tunnelling microscopy (STM) in vacuo. The cytochromes are electron transfer proteins containing a haem cofactor and could, in principle, mediate electron transfer between the tip and the gold substrate. If the core fibres were insulating and electron transfer within the 3D haem network was detected, then the electron transport properties of the fibre could be controlled by genetic engineering. Three kinds of STM images were obtained. At a low bias (<1.5 V) the fibres appeared as regions of low conductivity with no evidence of cytochrome mediated electron transfer. At a high bias, stable peaks in tunnelling current were observed for all three fibre species containing haem and one species of fibre that did not contain haem. In images of this kind, some of the current peaks were collinear and spaced around 10 nm apart over ranges longer than 100 nm, but background monomers complicate interpretation. Images of the third kind were rare (1 in 150 fibres); in these, fully conducting structures with the approximate dimensions of fibres were observed, suggesting the possibility of an intermittent conduction mechanism, for which a precedent exists in DNA. To test the conductivity, some fibres were immobilized with sputtered gold, and no evidence of conduction between the grains of gold was seen. In control experiments, a variation of monomeric cytochrome b562 was not detected by STM, which was attributed to low adhesion, whereas a monomeric multi-haem protein, GSU1996, was readily imaged. We conclude that the fibre superstructure may be intermittently conducting, that the cytochromes have been seen within the fibres and that they are too far apart for detectable current flow between sites to occur. We predict that GSU1996, being 10 nm long, is more likely to mediate successful electron transfer along the fibre as well as being more readily detectable when displayed from amyloid.
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Affiliation(s)
- C J Forman
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, UK.
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Healy J, Wong K, Sawyer EB, Roux C, Domigan L, Gras SL, Sunde M, Larsen NG, Gerrard J, Vasudevamurthy M. Polymorphism and higher order structures of protein nanofibers from crude mixtures of fish lens crystallins: Toward useful materials. Biopolymers 2012; 97:595-606. [DOI: 10.1002/bip.22045] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Kang S, Yang JE, Kim J, Ahn M, Koo HJ, Kim M, Lee YS, Paik SR. Removal of intact β2-microglobulin at neutral ph by using seed-conjugated polymer beads prepared with β2-microglobulin-derived peptide (58-67). Biotechnol Prog 2011; 27:521-9. [DOI: 10.1002/btpr.562] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2010] [Revised: 12/30/2010] [Indexed: 12/19/2022]
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Raynes JK, Pearce FG, Meade SJ, Gerrard JA. Immobilization of organophosphate hydrolase on an amyloid fibril nanoscaffold: towards bioremediation and chemical detoxification. Biotechnol Prog 2010; 27:360-7. [PMID: 21485029 DOI: 10.1002/btpr.518] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2010] [Revised: 08/22/2010] [Indexed: 11/07/2022]
Abstract
Organophosphate hydrolase has potential as a bioremediation and chemical detoxification enzyme, but the problems of reusability and stability need to be addressed to use this enzyme on an industrial scale. Immobilizing the enzyme to a nanoscaffold may help to solve these problems. Amyloid fibrils generated from insulin and crystallin provided a novel nanoscaffold for the immobilization of organophosphate hydrolase, using glutaraldehyde as the crosslinking reagent. Electrophoretic, centrifugation, and temperature stability experiments, together with transmission electron microscopy were undertaken to verify that crosslinking had successfully occurred. The resulting fibrils remained active towards the substrate paraoxon and when immobilized to the insulin amyloid fibrils, the enzyme exhibited a significant (∼ 300%) increase in the relative temperature stability at 40, 45, and 50°C (as measured by comparing the initial enzyme activity to the activity remaining after heating), compared to free enzyme. This confirms that amyloid fibrils could provide a new type of nanoscaffold for enzyme immobilization.
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Affiliation(s)
- Jared K Raynes
- Biomolecular Interaction Centre and School of Biological Sciences, University of Canterbury, Private Bag 4800, Christchurch, New Zealand.
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Current world literature. Curr Opin Endocrinol Diabetes Obes 2010; 17:177-85. [PMID: 20190584 DOI: 10.1097/med.0b013e3283382286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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16
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Monti DM, Guglielmi F, Monti M, Cozzolino F, Torrassa S, Relini A, Pucci P, Arciello A, Piccoli R. Effects of a lipid environment on the fibrillogenic pathway of the N-terminal polypeptide of human apolipoprotein A-I, responsible for in vivo amyloid fibril formation. EUROPEAN BIOPHYSICS JOURNAL: EBJ 2010; 39:1289-99. [PMID: 20182709 DOI: 10.1007/s00249-010-0582-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2009] [Revised: 12/14/2009] [Accepted: 02/04/2010] [Indexed: 11/25/2022]
Abstract
In amyloidosis associated with apolipoprotein A-I (ApoA-I), heart amyloid deposits are mainly constituted by the 93-residue ApoA-I N-terminal region. A recombinant form of the amyloidogenic polypeptide, named [1-93]ApoA-I, shares conformational properties and aggregation propensity with its natural counterpart. The polypeptide, predominantly in a random coil state at pH 8.0, following acidification to pH 4.0 adopts a helical/molten globule transient state, which leads to formation of aggregates. Here we provide evidence that fibrillogenesis occurs also in physiologic-like conditions. At pH 6.4, [1-93]ApoA-I was found to assume predominantly an alpha-helical state, which undergoes aggregation at 37 degrees C over time at a lower rate than at pH 4.0. After 7 days at pH 6.4, protofibrils were observed by atomic force microscopy (AFM). Using a multidisciplinary approach, including circular dichroism (CD), fluorescence, electrophoretic, and AFM analyses, we investigated the effects of a lipid environment on the conformational state and aggregation propensity of [1-93]ApoA-I. Following addition of the lipid-mimicking detergent Triton X-100, the polypeptide was found to be in a helical state at both pH 8.0 and 6.4, with no conformational transition occurring upon acidification. These helical conformers are stable and do not generate aggregated species, as observed by AFM after 21 days. Similarly, analyses of the effects of cholesterol demonstrated that this natural ApoA-I ligand induces formation of alpha-helix at physiological concentrations at both pH 8.0 and 6.4. Zwitterionic, positively charged, and negatively charged liposomes were found to affect [1-93]ApoA-I conformation, inducing helical species. Our data support the idea that lipids play a key role in [1-93]ApoA-I aggregation in vivo.
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Affiliation(s)
- Daria Maria Monti
- Department of Structural and Functional Biology, University of Naples Federico II, Italy
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Childers WS, Ni R, Mehta AK, Lynn DG. Peptide membranes in chemical evolution. Curr Opin Chem Biol 2009; 13:652-9. [PMID: 19879180 PMCID: PMC2801140 DOI: 10.1016/j.cbpa.2009.09.027] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2009] [Revised: 09/23/2009] [Accepted: 09/28/2009] [Indexed: 11/21/2022]
Abstract
Simple surfactants achieve remarkable long-range order in aqueous environments. This organizing potential is seen most dramatically in biological membranes where phospholipid assemblies both define cell boundaries and provide a ubiquitous structural scaffold for controlling cellular chemistry. Here we consider simple peptides that also spontaneously assemble into exceptionally ordered scaffolds, and review early data suggesting that these structures maintain the functional diversity of proteins. We argue that such scaffolds can achieve the required molecular order and catalytic agility for the emergence of chemical evolution.
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Affiliation(s)
- W Seth Childers
- Center for Fundamental and Applied Molecular Evolution and Center for Chemical Evolution, Department of Chemistry and Biology, Emory University, Atlanta, GA, United States
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