1
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Wei H, Min J, Wang Y, Shen Y, Du Y, Su R, Qi W. Bioinspired porphyrin-peptide supramolecular assemblies and their applications. J Mater Chem B 2022; 10:9334-9348. [PMID: 36373597 DOI: 10.1039/d2tb01660e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Inspired by the hierarchical chiral assembly of porphyrin-proteins in photosynthetic systems, the hierarchical self-assembly of porphyrin-amino acids/peptides provides a novel strategy for constructing functional materials. How to artificially simulate the assembly of porphyrins, proteins, and other cofactors in the photosynthesis system to obtain persistent strong light capture, charge separation and catalytic reactions has become an important concern in the construction of biomimetic photosynthesis systems. This paper summarizes the different assembly strategies adopted in recent years, the effects of driving forces on self-assembly, and the application of porphyrin-peptides in catalysis and biomedicine, and briefly discusses the challenges and prospects for future research.
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Affiliation(s)
- Hao Wei
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P. R. China.
| | - Jiwei Min
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P. R. China.
| | - Yuefei Wang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P. R. China. .,Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin, 300072, P. R. China
| | - Yuhe Shen
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P. R. China.
| | - Yaohui Du
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P. R. China.
| | - Rongxin Su
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P. R. China. .,Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300072, P. R. China.,Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin, 300072, P. R. China
| | - Wei Qi
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P. R. China. .,Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300072, P. R. China.,Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin, 300072, P. R. China
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2
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A Multiple Chirality Switching Device for Spatial Light Modulators. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202009916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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3
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Yang G, Yu Y, Yang B, Lu T, Cai Y, Yin H, Zhang H, Zhang NN, Li L, Zhang YM, Zhang SXA. A Multiple Chirality Switching Device for Spatial Light Modulators. Angew Chem Int Ed Engl 2021; 60:2018-2023. [PMID: 32885573 DOI: 10.1002/anie.202009916] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 08/24/2020] [Indexed: 12/25/2022]
Abstract
A new and simple strategy towards electric-field-driven multiple chirality switching device has been designed and fabricated by combining a newly synthesized base-responsive chiroptical polymer switch (R-FLMA) and p-benzoquinone (p-BQ) via proton-coupled electron transfer (PCET) mechanism. Clear and stable triple chirality states (silence, positive, negative) of this device in visible band can be regulated reversibly (>1000 cycles) by adjusting voltage programs. Furthermore, such chiral switching phenomena are also accompanied by apparent changes of color and fluorescence. More importantly, the potential application of this device for a spatial light modulator has also been demonstrated.
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Affiliation(s)
- Guojian Yang
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun, P. R. China.,College of Chemistry, Jilin University, Changchun, P. R. China
| | - Yang Yu
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun, P. R. China.,College of Chemistry, Jilin University, Changchun, P. R. China
| | - Baige Yang
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun, P. R. China.,College of Chemistry, Jilin University, Changchun, P. R. China
| | - Tong Lu
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun, P. R. China.,College of Chemistry, Jilin University, Changchun, P. R. China
| | - Yiru Cai
- College of Chemistry, Jilin University, Changchun, P. R. China
| | - Hang Yin
- Institute of Atom and Molecular Physics, Jilin University, Changchun, P. R. China
| | - Huiqi Zhang
- College of Chemistry, Jilin University, Changchun, P. R. China
| | - Ning-Ning Zhang
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun, P. R. China.,College of Chemistry, Jilin University, Changchun, P. R. China
| | - Li Li
- College of Chemistry, Jilin University, Changchun, P. R. China.,State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun, P. R. China
| | - Yu-Mo Zhang
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun, P. R. China.,College of Chemistry, Jilin University, Changchun, P. R. China
| | - Sean Xiao-An Zhang
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun, P. R. China.,College of Chemistry, Jilin University, Changchun, P. R. China
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4
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Meneghin E, Biscaglia F, Volpato A, Bolzonello L, Pedron D, Frezza E, Ferrarini A, Gobbo M, Collini E. Biomimetic Nanoarchitectures for Light Harvesting: Self-Assembly of Pyropheophorbide-Peptide Conjugates. J Phys Chem Lett 2020; 11:7972-7980. [PMID: 32886518 PMCID: PMC8011917 DOI: 10.1021/acs.jpclett.0c02138] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 09/04/2020] [Indexed: 05/27/2023]
Abstract
The biological light-harvesting process offers an unlimited source of inspiration. The high level of control, adaptation capability, and efficiency challenge humankind to create artificial biomimicking nanoarchitectures with the same performances to respond to our energy needs. Here, in the extensive search for design principles at the base of efficient artificial light harvesters, an approach based on self-assembly of pigment-peptide conjugates is proposed. The solvent-driven and controlled aggregation of the peptide moieties promotes the formation of a dense network of interacting pigments, giving rise to an excitonic network characterized by intense and spectrally wide absorption bands. The ultrafast dynamics of the nanosystems studied through two-dimensional electronic spectroscopy reveals that the excitation energy is funneled in an ultrafast time range (hundreds of femtoseconds) to a manifold of long-living dark states, thus suggesting the considerable potentiality of the systems as efficient harvesters.
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Affiliation(s)
- Elena Meneghin
- Department
of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
| | - Francesca Biscaglia
- Department
of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
| | - Andrea Volpato
- Department
of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
| | - Luca Bolzonello
- Department
of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
| | - Danilo Pedron
- Department
of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
| | - Elisa Frezza
- Université
de Paris, CiTCoM, CNRS, F-75006 Paris, France
| | - Alberta Ferrarini
- Department
of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
| | - Marina Gobbo
- Department
of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
| | - Elisabetta Collini
- Department
of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
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5
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Gupta S, Singh I, Sharma AK, Kumar P. Ultrashort Peptide Self-Assembly: Front-Runners to Transport Drug and Gene Cargos. Front Bioeng Biotechnol 2020; 8:504. [PMID: 32548101 PMCID: PMC7273840 DOI: 10.3389/fbioe.2020.00504] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 04/29/2020] [Indexed: 12/18/2022] Open
Abstract
The translational therapies to promote interaction between cell and signal come with stringent eligibility criteria. The chemically defined, hierarchically organized, and simpler yet blessed with robust intermolecular association, the peptides, are privileged to make the cut-off for sensing the cell-signal for biologics delivery and tissue engineering. The signature service and insoluble network formation of the peptide self-assemblies as hydrogels have drawn a spell of research activity among the scientists all around the globe in the past decades. The therapeutic peptide market players are anticipating promising growth opportunities due to the ample technological advancements in this field. The presence of the other organic moieties, enzyme substrates and well-established protecting groups like Fmoc and Boc etc., bring the best of both worlds. Since the large sequences of peptides severely limit the purification and their isolation, this article reviews the account of last 5 years' efforts on novel approaches for formulation and development of single molecule amino acids, ultra-short peptide self-assemblies (di- and tri- peptides only) and their derivatives as drug/gene carriers and tissue-engineering systems.
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Affiliation(s)
- Seema Gupta
- Chemistry Department, Acharya Narendra Dev College, University of Delhi, New Delhi, India
| | - Indu Singh
- Chemistry Department, Acharya Narendra Dev College, University of Delhi, New Delhi, India
- Nucleic Acids Research Laboratory, CSIR-Institute of Genomics and Integrative Biology, New Delhi, India
| | - Ashwani K. Sharma
- Nucleic Acids Research Laboratory, CSIR-Institute of Genomics and Integrative Biology, New Delhi, India
| | - Pradeep Kumar
- Nucleic Acids Research Laboratory, CSIR-Institute of Genomics and Integrative Biology, New Delhi, India
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6
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Cimino R, Grelloni E, Magna G, Monti D, Stefanelli M, Gatto E, Placidi E, Biscaglia F, Gobbo M, Venanzi M. Tuning the morphology of mesoscopic structures of porphyrin macrocycles functionalized by an antimicrobial peptide. J PORPHYR PHTHALOCYA 2020. [DOI: 10.1142/s1088424619502006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The aggregation properties of two peptide–porphyrin conjugates were investigated by optical spectroscopy and microscopy imaging with nanometer resolution. Specifically, a tetraphenylporphyrin platform was functionalized by (L)-magainin, a 23-residue long antimicrobial peptide, and by a (L)-magainin analogue differing from the parent peptide by a single residue substitution, [Formula: see text] an Ala vs. Phe replacement in the position 5 of the peptide chain. Spectroscopic and microscopy results show that this single-site substitution has a small effect on the secondary structure attained by the two peptide analogues, but deeply affects the morphology of the mesoscopic structures deposited on hydrophilic mica from methanol/water solutions. In particular, only the Ala-substituted peptide-porphyrin conjugate was shown to be able to form micrometric fibrils, coating homogeneously a hydrophilic mica surface. These results pave the way for potential applications of porphyrin-peptide compounds in localized photodynamic therapy and for designing solid-state stereoselective sensors.
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Affiliation(s)
- Rita Cimino
- Dept. of Chemical Science and Technologies, University of Rome Tor Vergata, via della Ricerca Scientifica 1, 00133 Rome, Italy
| | - Elisa Grelloni
- Dept. of Chemical Science and Technologies, University of Rome Tor Vergata, via della Ricerca Scientifica 1, 00133 Rome, Italy
| | - Gabriele Magna
- Dept. of Chemical Science and Technologies, University of Rome Tor Vergata, via della Ricerca Scientifica 1, 00133 Rome, Italy
| | - Donato Monti
- Dept. of Chemical Science and Technologies, University of Rome Tor Vergata, via della Ricerca Scientifica 1, 00133 Rome, Italy
| | - Manuela Stefanelli
- Dept. of Chemical Science and Technologies, University of Rome Tor Vergata, via della Ricerca Scientifica 1, 00133 Rome, Italy
| | - Emanuela Gatto
- Dept. of Chemical Science and Technologies, University of Rome Tor Vergata, via della Ricerca Scientifica 1, 00133 Rome, Italy
| | - Ernesto Placidi
- Dept. of Physics, University of Rome ‘La Sapienza’, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Francesca Biscaglia
- Dept. of Chemical Sciences, University of Padua, via F. Marzolo, 35131 Padua, Italy
| | - Marina Gobbo
- Dept. of Chemical Sciences, University of Padua, via F. Marzolo, 35131 Padua, Italy
| | - Mariano Venanzi
- Dept. of Chemical Science and Technologies, University of Rome Tor Vergata, via della Ricerca Scientifica 1, 00133 Rome, Italy
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7
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Im SW, Ha H, Yang W, Jang JH, Kang B, Seo DH, Seo J, Nam KT. Light polarization dependency existing in the biological photosystem and possible implications for artificial antenna systems. PHOTOSYNTHESIS RESEARCH 2020; 143:205-220. [PMID: 31643017 DOI: 10.1007/s11120-019-00682-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 10/02/2019] [Indexed: 06/10/2023]
Abstract
The processes of biological photosynthesis provide inspiration and valuable lessons for artificial energy collection, transfer, and conversion systems. The extraordinary efficiency of each sequential process of light to biomass conversion originates from the unique architecture and mechanism of photosynthetic proteins. Near 100% quantum efficiency of energy transfer in biological photosystems is achieved by the chlorophyll assemblies in antenna complexes, which also exhibit a significant degree of light polarization. The three-dimensional chiral assembly of chlorophylls is an optimized biological architecture that enables maximum energy transfer efficiency with precisely designed coupling between chlorophylls. In this review, we summarize the key lessons from the photosynthetic processes in biological photosystems, and move our focus to energy transfer mechanisms and the chiral structure of the chlorophyll assembly. Then, we introduce recent approaches and possible implications to realize the biological energy transfer processes on bioinspired scaffold-based artificial antenna systems.
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Affiliation(s)
- Sang Won Im
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, South Korea
| | - Heonjin Ha
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, South Korea
| | - Woojin Yang
- Department of Chemistry, School of Physics and Chemistry, Gwangju Institute of Science and Technology, Gwangju, 61005, South Korea
| | - Jun Ho Jang
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, South Korea
| | - Boyeong Kang
- Department of Chemistry, School of Physics and Chemistry, Gwangju Institute of Science and Technology, Gwangju, 61005, South Korea
| | - Da Hye Seo
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, South Korea
| | - Jiwon Seo
- Department of Chemistry, School of Physics and Chemistry, Gwangju Institute of Science and Technology, Gwangju, 61005, South Korea.
| | - Ki Tae Nam
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, South Korea.
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8
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Magna G, Monti D, Di Natale C, Paolesse R, Stefanelli M. The Assembly of Porphyrin Systems in Well-Defined Nanostructures: An Update. Molecules 2019; 24:E4307. [PMID: 31779097 PMCID: PMC6930562 DOI: 10.3390/molecules24234307] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 11/15/2019] [Accepted: 11/21/2019] [Indexed: 12/26/2022] Open
Abstract
The interest in assembling porphyrin derivatives is widespread and is accounted by the impressive impact of these suprastructures of controlled size and shapes in many applications from nanomedicine and sensors to photocatalysis and optoelectronics. The massive use of porphyrin dyes as molecular building blocks of functional materials at different length scales relies on the interdependent pair properties, consisting of their chemical stability/synthetic versatility and their quite unique physicochemical properties. Remarkably, the driven spatial arrangement of these platforms in well-defined suprastructures can synergically amplify the already excellent properties of the individual monomers, improving conjugation and enlarging the intensity of the absorption range of visible light, or forming an internal electric field exploitable in light-harvesting and charge-and energy-transport processes. The countless potentialities offered by these systems means that self-assembly concepts and tools are constantly explored, as confirmed by the significant number of published articles related to porphyrin assemblies in the 2015-2019 period, which is the focus of this review.
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Affiliation(s)
- Gabriele Magna
- Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma Tor Vergata, via della Ricerca Scientifica, 1; 00133 Rome, Italy; (G.M.); (D.M.); (R.P.)
| | - Donato Monti
- Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma Tor Vergata, via della Ricerca Scientifica, 1; 00133 Rome, Italy; (G.M.); (D.M.); (R.P.)
| | - Corrado Di Natale
- Dipartimento di Ingegneria Elettronica, Università di Roma Tor Vergata, via del Politecnico, 1; 00134 Roma, Italy;
| | - Roberto Paolesse
- Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma Tor Vergata, via della Ricerca Scientifica, 1; 00133 Rome, Italy; (G.M.); (D.M.); (R.P.)
| | - Manuela Stefanelli
- Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma Tor Vergata, via della Ricerca Scientifica, 1; 00133 Rome, Italy; (G.M.); (D.M.); (R.P.)
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9
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Maitra D, Bragazzi Cunha J, Elenbaas JS, Bonkovsky HL, Shavit JA, Omary MB. Porphyrin-Induced Protein Oxidation and Aggregation as a Mechanism of Porphyria-Associated Cell Injury. Cell Mol Gastroenterol Hepatol 2019; 8:535-548. [PMID: 31233899 PMCID: PMC6820234 DOI: 10.1016/j.jcmgh.2019.06.006] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 06/14/2019] [Accepted: 06/14/2019] [Indexed: 12/12/2022]
Abstract
Genetic porphyrias comprise eight diseases caused by defects in the heme biosynthetic pathway that lead to accumulation of heme precursors. Consequences of porphyria include photosensitivity, liver damage and increased risk of hepatocellular carcinoma, and neurovisceral involvement, including seizures. Fluorescent porphyrins that include protoporphyrin-IX, uroporphyrin and coproporphyrin, are photo-reactive; they absorb light energy and are excited to high-energy singlet and triplet states. Decay of the porphyrin excited to ground state releases energy and generates singlet oxygen. Porphyrin-induced oxidative stress is thought to be the major mechanism of porphyrin-mediated tissue damage. Although this explains the acute photosensitivity in most porphyrias, light-induced porphyrin-mediated oxidative stress does not account for the effect of porphyrins on internal organs. Recent findings demonstrate the unique role of fluorescent porphyrins in causing subcellular compartment-selective protein aggregation. Porphyrin-mediated protein aggregation associates with nuclear deformation, cytoplasmic vacuole formation and endoplasmic reticulum dilation. Porphyrin-triggered proteotoxicity is compounded by inhibition of the proteasome due to aggregation of some of its subunits. The ensuing disruption in proteostasis also manifests in cell cycle arrest coupled with aggregation of cell proliferation-related proteins, including PCNA, cdk4 and cyclin B1. Porphyrins bind to native proteins and, in presence of light and oxygen, oxidize several amino acids, particularly methionine. Noncovalent interaction of oxidized proteins with porphyrins leads to formation of protein aggregates. In internal organs, particularly the liver, light-independent porphyrin-mediated protein aggregation occurs after secondary triggers of oxidative stress. Thus, porphyrin-induced protein aggregation provides a novel mechanism for external and internal tissue damage in porphyrias that involve fluorescent porphyrin accumulation.
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Affiliation(s)
- Dhiman Maitra
- Department of Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, Michigan.
| | - Juliana Bragazzi Cunha
- Department of Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, Michigan
| | - Jared S Elenbaas
- Medical Scientist Training Program, Washington University in St. Louis, St. Louis, Missouri
| | - Herbert L Bonkovsky
- Gastroenterology & Hepatology, and Molecular Medicine & Translational Science, Wake Forest University School of Medicine/NC Baptist Hospital, Winston-Salem, North Carolina
| | - Jordan A Shavit
- Department of Pediatrics, Division of Pediatric Hematology and Oncology, University of Michigan Medical School, Ann Arbor, Michigan
| | - M Bishr Omary
- Department of Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, Michigan; Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan; Cell Biology, Faculty of Science and Technology, Åbo Akademi University, Turku, Finland
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10
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Maitra D, Carter EL, Richardson R, Rittié L, Basrur V, Zhang H, Nesvizhskii AI, Osawa Y, Wolf MW, Ragsdale SW, Lehnert N, Herrmann H, Omary MB. Oxygen and Conformation Dependent Protein Oxidation and Aggregation by Porphyrins in Hepatocytes and Light-Exposed Cells. Cell Mol Gastroenterol Hepatol 2019; 8:659-682.e1. [PMID: 31173894 PMCID: PMC6889786 DOI: 10.1016/j.jcmgh.2019.05.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 05/28/2019] [Accepted: 05/28/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND & AIMS Porphyrias are caused by porphyrin accumulation resulting from defects in the heme biosynthetic pathway that typically lead to photosensitivity and possible end-stage liver disease with an increased risk of hepatocellular carcinoma. Our aims were to study the mechanism of porphyrin-induced cell damage and protein aggregation, including liver injury, where light exposure is absent. METHODS Porphyria was induced in vivo in mice using 3,5-diethoxycarbonyl-1,4-dihydrocollidine or in vitro by exposing human liver Huh7 cells and keratinocytes, or their lysates, to protoporphyrin-IX, other porphyrins, or to δ-aminolevulinic acid plus deferoxamine. The livers, cultured cells, or porphyrin exposed purified proteins were analyzed for protein aggregation and oxidation using immunoblotting, mass spectrometry, and electron paramagnetic resonance spectroscopy. Consequences on cell-cycle progression were assessed. RESULTS Porphyrin-mediated protein aggregation required porphyrin-photosensitized singlet oxygen and porphyrin carboxylate side-chain deprotonation, and occurred with site-selective native protein methionine oxidation. Noncovalent interaction of protoporphyrin-IX with oxidized proteins led to protein aggregation that was reversed by incubation with acidified n-butanol or high-salt buffer. Phototoxicity and the ensuing proteotoxicity, mimicking porphyria photosensitivity conditions, were validated in cultured keratinocytes. Protoporphyrin-IX inhibited proteasome function by aggregating several proteasomal subunits, and caused cell growth arrest and aggregation of key cell proliferation proteins. Light-independent synergy of protein aggregation was observed when porphyrin was applied together with glucose oxidase as a secondary peroxide source. CONCLUSIONS Photo-excitable porphyrins with deprotonated carboxylates mediate protein aggregation. Porphyrin-mediated proteotoxicity in the absence of light, as in the liver, requires porphyrin accumulation coupled with a second tissue oxidative injury. These findings provide a potential mechanism for internal organ damage and photosensitivity in porphyrias.
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Affiliation(s)
- Dhiman Maitra
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, Michigan,Correspondence Address correspondence to: Dhiman Maitra, PhD, Department of Molecular and Integrative Physiology, University of Michigan Medical School, 7720 Medical Science Building II, 1137 Catherine Street, Ann Arbor, Michigan 48109-5622. fax: (734) 936–8813.
| | - Eric L. Carter
- Department of Biological Chemistry, University of Michigan, Ann Arbor, Michigan
| | - Rani Richardson
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, Michigan
| | - Laure Rittié
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan
| | - Venkatesha Basrur
- Department of Pathology, University of Michigan, Ann Arbor, Michigan
| | - Haoming Zhang
- Department of Pharmacology, University of Michigan, Ann Arbor, Michigan
| | | | - Yoichi Osawa
- Department of Pharmacology, University of Michigan, Ann Arbor, Michigan
| | - Matthew W. Wolf
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan
| | - Stephen W. Ragsdale
- Department of Biological Chemistry, University of Michigan, Ann Arbor, Michigan
| | - Nicolai Lehnert
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan,Department of Biophysics, University of Michigan, Ann Arbor, Michigan
| | - Harald Herrmann
- Institute of Neuropathology, University Hospital Erlangen, Erlangen, Germany,Division of Molecular Genetics, German Cancer Research Center, Heidelberg, Germany
| | - M. Bishr Omary
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, Michigan,Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan,Cell Biology, Faculty of Science and Technology, Åbo Akademi University, Turku, Finland
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11
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Metalloporphyrin Dimers Bridged by a Peptoid Helix: Host-Guest Interaction and Chiral Recognition. Molecules 2018; 23:molecules23112741. [PMID: 30352958 PMCID: PMC6278558 DOI: 10.3390/molecules23112741] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 10/22/2018] [Accepted: 10/22/2018] [Indexed: 11/22/2022] Open
Abstract
Co-facial porphyrins have been designed to construct porphyrin tweezers with versatile molecular recognition capabilities. In this study, we synthesized metalloporphyrin–peptoid conjugates (MPPCs) displaying two metalloporphyrins on a peptoid scaffold with either achiral unfolded (1) or helical (2 and 3) secondary structures. Host–guest complexation of MPPCs was realized with various guests of different lengths and basicities, and the extent of complexation was measured by UV-vis and circular dichroism (CD) spectroscopic titration. Intermolecular and intramolecular chirality induction were observed on achiral and chiral peptoid backbones, respectively. Spectroscopic data indicated that a broad scope of achiral guests can be recognized by chiral 2; in particular, longer and more flexible guests were seen to bind more tightly on 2. In addition, chiral 2 provided a distinct CD couplet with dl-, d-, or l-Lys-OMe, which was a result of the diastereomeric host–guest complex formation. Our results indicated that MPPCs can recognize, contrast, and analyze various achiral, chiral, or racemic molecules. Based on co-facial metalloporphyrins present on peptoid scaffolds, we developed a novel class of porphyrin tweezers, which can be further utilized in asymmetric catalysis, molecular sensing, and drug delivery.
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12
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Affiliation(s)
| | - Marina Gobbo
- Department of Chemical SciencesUniversity of PadovaPadova35131 Italy
- Institute of Biomolecular Chemistry of CNR, Padova UnitPadova35131 Italy
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13
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Karikis K, Butkiewicz A, Folias F, Charalambidis G, Kokotidou C, Charisiadis A, Nikolaou V, Nikoloudakis E, Frelek J, Mitraki A, Coutsolelos AG. Self-assembly of (boron-dipyrromethane)-diphenylalanine conjugates forming chiral supramolecular materials. NANOSCALE 2018; 10:1735-1741. [PMID: 29308481 DOI: 10.1039/c7nr08667a] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Herein, we present the synthesis of a series of boron-dipyrromethane (BDP) derivatives bearing diphenylalanine (FF) at their meso position via amide bond coupling. The BDP-FF bioconjugates are able to form self-assembled materials with different morphologies. By altering various parameters such as the protecting group of the FF peptide or the solvent system of the self-assembly process, we were able to obtain either fibrillar or spherical nanostructures. Furthermore, we confirmed that both the formation as well as the dissociation of the self-assemblies is a reversible procedure that can be achieved by simply altering the solvent mixture. Electronic circular dichroism (ECD) studies demonstrated a characteristic mirror image relationship regarding the FLFL and FDFD enantiomers, revealing the chiral nature of the obtained materials. Interestingly, an intense excitonic bisignate signal was observed in the ECD spectrum of the fibrillar structures, whereas the spherical assemblies remained ECD silent. What is more, the electronic circular dichroism studies were supported by quantum chemical calculations.
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Affiliation(s)
- Kostas Karikis
- University of Crete, Department of Chemistry, Bioinorganic Chemistry Laboratory, Voutes Campus, 70013, Heraklion, Crete, Greece.
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Yang W, Kang B, Voelz VA, Seo J. Control of porphyrin interactions via structural changes of a peptoid scaffold. Org Biomol Chem 2017; 15:9670-9679. [DOI: 10.1039/c7ob02398g] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A template to control porphyrin interactions is constructed by displaying porphyrins at defined positions on a helical peptoid.
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Affiliation(s)
- Woojin Yang
- Department of Chemistry
- School of Physics and Chemistry
- Gwangju Institute of Science and Technology
- Gwangju 61005
- South Korea
| | - Boyeong Kang
- Department of Chemistry
- School of Physics and Chemistry
- Gwangju Institute of Science and Technology
- Gwangju 61005
- South Korea
| | | | - Jiwon Seo
- Department of Chemistry
- School of Physics and Chemistry
- Gwangju Institute of Science and Technology
- Gwangju 61005
- South Korea
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