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Ivanov GS, Tribulovich VG, Pestov NB, David TI, Amoah AS, Korneenko TV, Barlev NA. Artificial genetic polymers against human pathologies. Biol Direct 2022; 17:39. [PMID: 36474260 PMCID: PMC9727881 DOI: 10.1186/s13062-022-00353-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022] Open
Abstract
Originally discovered by Nielsen in 1991, peptide nucleic acids and other artificial genetic polymers have gained a lot of interest from the scientific community. Due to their unique biophysical features these artificial hybrid polymers are now being employed in various areas of theranostics (therapy and diagnostics). The current review provides an overview of their structure, principles of rational design, and biophysical features as well as highlights the areas of their successful implementation in biology and biomedicine. Finally, the review discusses the areas of improvement that would allow their use as a new class of therapeutics in the future.
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Affiliation(s)
- Gleb S Ivanov
- Institute of Cytology, Tikhoretsky Ave 4, Saint Petersburg, Russia, 194064
- St. Petersburg State Technological Institute (Technical University), Saint Petersburg, Russia, 190013
| | - Vyacheslav G Tribulovich
- St. Petersburg State Technological Institute (Technical University), Saint Petersburg, Russia, 190013
| | - Nikolay B Pestov
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products, Moscow, Russia, 108819
- Phystech School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, Russia, 141701
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow, Russia, 117997
- Institute of Biomedical Chemistry, Moscow, Russia, 119121б
| | - Temitope I David
- Phystech School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, Russia, 141701
| | - Abdul-Saleem Amoah
- Phystech School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, Russia, 141701
| | - Tatyana V Korneenko
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow, Russia, 117997
| | - Nikolai A Barlev
- Institute of Cytology, Tikhoretsky Ave 4, Saint Petersburg, Russia, 194064.
- Institute of Biomedical Chemistry, Moscow, Russia, 119121б.
- School of Medicine, Nazarbayev University, 010000, Astana, Kazakhstan.
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Liang X, Liu M, Komiyama M. Recognition of Target Site in Various Forms of DNA and RNA by Peptide Nucleic Acid (PNA): From Fundamentals to Practical Applications. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20210086] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Xingguo Liang
- College of Food Science and Engineering, Ocean University of China, Qingdao 266003, P. R. China
- Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266235, P. R. China
| | - Mengqin Liu
- College of Food Science and Engineering, Ocean University of China, Qingdao 266003, P. R. China
| | - Makoto Komiyama
- College of Food Science and Engineering, Ocean University of China, Qingdao 266003, P. R. China
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Ackermann D, Famulok M. Pseudo-complementary PNA actuators as reversible switches in dynamic DNA nanotechnology. Nucleic Acids Res 2013; 41:4729-39. [PMID: 23444144 PMCID: PMC3632119 DOI: 10.1093/nar/gkt121] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The structural reorganization of nanoscale DNA architectures is a fundamental aspect in dynamic DNA nanotechnology. Commonly, DNA nanoarchitectures are reorganized by means of toehold-expanded DNA sequences in a strand exchange process. Here we describe an unprecedented, toehold-free switching process that relies on pseudo-complementary peptide nucleic acid (pcPNA) by using a mechanism that involves double-strand invasion. The usefulness of this approach is demonstrated by application of these peptide nucleic acids (PNAs) as switches in a DNA rotaxane architecture. The monomers required for generating the pcPNA were obtained by an improved synthesis strategy and were incorporated into a PNA actuator sequence as well as into a short DNA strand that subsequently was integrated into the rotaxane architecture. Alternate addition of a DNA and PNA actuator sequence allowed the multiple reversible switching between a mobile rotaxane macrocycle and a stationary pseudorotaxane state. The switching occurs in an isothermal process at room temperature and is nearly quantitative in each switching step. pcPNAs can potentially be combined with light- and toehold-based switches, thus broadening the toolbox of orthogonal switching approaches for DNA architectures that open up new avenues in dynamic DNA nanotechnology.
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Affiliation(s)
- Damian Ackermann
- Chemical Biology and Medicinal Chemistry Unit, LIMES Institute, c/o Kekulé Institute of Organic Chemistry and Biochemistry, University of Bonn, Gerhard-Domagk-Strasse 1, 53121 Bonn, Germany
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Braun K, von Brasch L, Pipkorn R, Ehemann V, Jenne J, Spring H, Debus J, Didinger B, Rittgen W, Waldeck W. BioShuttle-mediated plasmid transfer. Int J Med Sci 2007; 4:267-77. [PMID: 18026568 PMCID: PMC2062513 DOI: 10.7150/ijms.4.267] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2007] [Accepted: 10/26/2007] [Indexed: 12/30/2022] Open
Abstract
An efficient gene transfer into target tissues and cells is needed for safe and effective treatment of genetic diseases like cancer. In this paper, we describe the development of a transport system and show its ability for transporting plasmids. This non-viral peptide-based BioShuttle-mediated transfer system consists of a nuclear localization address sequence realizing the delivery of the plasmid phNIS-IRES-EGFP coding for two independent reporter genes into nuclei of HeLa cells. The quantification of the transfer efficiency was achieved by measurements of the sodium iodide symporter activity. EGFP gene expression was measured with Confocal Laser Scanning Microscopy and quantified with biostatistical methods by analysis of the frequency of the amplitude distribution in the CLSM images. The results demonstrate that the "BioShuttle"-Technology is an appropriate tool for an effective transfer of genetic material carried by a plasmid.
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Affiliation(s)
- Klaus Braun
- Division of Molecular Toxicology, German Cancer Research Center, INF 280, D-69120 Heidelberg, Germany.
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Delvolvé A, Tabet JC, Bregant S, Afonso C, Burlina F, Fournier F. Charge dependent behavior of PNA/DNA/PNA triplexes in the gas phase. JOURNAL OF MASS SPECTROMETRY : JMS 2006; 41:1498-508. [PMID: 17103389 DOI: 10.1002/jms.1124] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Intact noncovalent complexes were studied in the gas phase using negative ion nano-ESI mass spectrometry. Among various noncovalent systems studied in the gas phase, the interaction of DNA strands with peptide nucleic acids (PNAs) presents a strong interest as biologically relevant systems. PNAs originally described by Nielsen are used as DNA mimics as possible medical agents by imprisoning DNA single strands into stable noncovalent complexes. Two types of PNAs were investigated in the PNA/DNA multiplex: the original Nielsen's PNA and a modified backbone PNA by the introduction of syn- and anti-(aminoethyl)thiazolidine rings. We first investigated the stoichiometry of PNA/DNA multiplexes formed in solution and observed them in the gas phase via qualitative kinetics of complementary strand associations. It resulted in observing PNA2/DNA triplexes (ts) as the multiply deprotonated species, most stable in both the solution and gas phase. Second, charge-dependant decompositions of these species were undertaken under low-energy collision conditions. It appears that covalent bond cleavages (base releasing or skeleton cleavage) occur from lower ts charge states rather than ts unzipping, which takes place from higher charge states. This behavior can be explained by considering the presence of zwitterions depending on the charge state. They result in strong salt-bridge interactions between the positively charged PNA side chain and the negatively charged DNA backbone. We propose a general model to clearly display the involved patterns in the noncovalent triplex decompositions. Third, the relative stability of three PNA2/DNA complexes was scrutinized in the gas phase by acquiring the breakdown curves of their ts(6-) form, corresponding to the ts unzipping. The chemical structures of the studied PNAs were chosen in order to evidence the possible influence of backbone stereochemistry on the rigidity of PNA2/DNA complexes. It provided significantly different stabilities via V(m) measurements. The relative gas-phase stability order obtained was compared to that found in solution by Chassaing et al., and shows qualitative agreement.
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Affiliation(s)
- Alice Delvolvé
- University Pierre et Marie Curie, CNRS-UMR 7613, Synthèse, Structure et Fonction de Molécules Bioactives, FR 2769, Case Courrier 45, 4 place Jussieu, 75005 Paris, France
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Guo P. RNA nanotechnology: engineering, assembly and applications in detection, gene delivery and therapy. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 2005; 5:1964-82. [PMID: 16430131 PMCID: PMC2842999 DOI: 10.1166/jnn.2005.446] [Citation(s) in RCA: 105] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Biological macromolecules including DNA, RNA, and proteins, have intrinsic features that make them potential building blocks for the bottom-up fabrication of nanodevices. RNA is unique in nanoscale fabrication due to its amazing diversity of function and structure. RNA molecules can be designed and manipulated with a level of simplicity characteristic of DNA while possessing versatility in structure and function similar to that of proteins. RNA molecules typically contain a large variety of single stranded loops suitable for inter- and intra-molecular interaction. These loops can serve as mounting dovetails obviating the need for external linking dowels in fabrication and assembly. The self-assembly of nanoparticles from RNA involves cooperative interaction of individual RNA molecules that spontaneously assemble in a predefined manner to form a larger two- or three-dimensional structure. Within the realm of self-assembly there are two main categories, namely template and non-template. Template assembly involves interaction of RNA molecules under the influence of specific external sequence, forces, or spatial constraints such as RNA transcription, hybridization, replication, annealing, molding, or replicas. In contrast, non-template assembly involves formation of a larger structure by individual components without the influence of external forces. Examples of non-template assembly are ligation, chemical conjugation, covalent linkage, and loop/loop interaction of RNA, especially the formation of RNA multimeric complexes. The best characterized RNA multiplier and the first to be described in RNA nanotechnological application is the motor pRNA of bacteriophage phi29 which form dimers, trimers, and hexamers, via hand-in-hand interaction. phi29 pRNA can be redesigned to form a variety of structures and shapes including twins, tetramers, rods, triangles, and 3D arrays several microns in size via interaction of programmed helical regions and loops. 3D RNA array formation requires a defined nucleotide number for twisting and a palindromic sequence. Such arrays are unusually stable and resistant to a wide range of temperatures, salt concentrations, and pH. Both the therapeutic siRNA or ribozyme and a receptor-binding RNA aptamer or other ligands have been engineered into individual pRNAs. Individual chimeric RNA building blocks harboring siRNA or other therapeutic molecules have been fabricated subsequently into a trimer through hand-in-hand interaction of the engineered right and left interlocking RNA loops. The incubation of these particles containing the receptor-binding aptamer or other ligands results in the binding and co-entry of trivalent therapeutic particles into cells. Such particles were subsequently shown to modulate the apoptosis of cancer cells in both cell cultures and animal trials. The use of such antigen-free 20-40 nm particles holds promise for the repeated long-term treatment of chronic diseases. Other potentially useful RNA molecules that form multimers include HIV RNA that contain kissing loop to form dimers, tecto-RNA that forms a "jigsaw puzzle," and the Drosophila bicoid mRNA that forms multimers via "hand-by-arm" interactions. Applications of RNA molecules involving replication, molding, embossing, and other related techniques, have recently been described that allow the utilization of a variety of materials to enhance diversity and resolution of nanomaterials. It should eventually be possible to adapt RNA to facilitate construction of ordered, patterned, or pre-programmed arrays or superstructures. Given the potential for 3D fabrication, the chance to produce reversible self-assembly, and the ability of self-repair, editing and replication, RNA self-assembly will play an increasingly significant role in integrated biological nanofabrication. A random 100-nucleotide RNA library may exist in 1.6 x 10(60) varieties with multifarious structure to serve as a vital system for efficient fabrication, with a complexity and diversity far exceeding that of any current nanoscale system. This review covers the basic concepts of RNA structure and function, certain methods for the study of RNA structure, the approaches for engineering or fabricating RNA into nanoparticles or arrays, and special features of RNA molecules that form multimers. The most recent development in exploration of RNA nanoparticles for pathogen detection, drug/gene delivery, and therapeutic application is also introduced in this review.
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Affiliation(s)
- Peixuan Guo
- Department of Pathobiology and Purdue Cancer Center, Purdue University, West Lafayette, IN 47907, USA
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Akazawa SI, Karino T, Yoshida N, Katsuragi T, Tani Y. Functional analysis of fructosyl-amino acid oxidases of Aspergillus oryzae. Appl Environ Microbiol 2004; 70:5882-90. [PMID: 15466528 PMCID: PMC522121 DOI: 10.1128/aem.70.10.5882-5890.2004] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Three active fractions of fructosyl-amino acid oxidase (FAOD-Ao1, -Ao2a, and -Ao2b) were isolated from Aspergillus oryzae strain RIB40. N-terminal and internal amino acid sequences of FAOD-Ao2a corresponded to those of FAOD-Ao2b, suggesting that these two isozymes were derived from the same protein. FAOD-Ao1 and -Ao2 were different in substrate specificity and subunit assembly; FAOD-Ao2 was active toward N(epsilon)-fructosyl N(alpha)-Z-lysine and fructosyl valine (Fru-Val), whereas FAOD-Ao1 was not active toward Fru-Val. The genes encoding the FAOD isozymes (i.e., FAOAo1 and FAOAo2) were cloned by PCR with an FAOD-specific primer set. The deduced amino acid sequences revealed that FAOD-Ao1 was 50% identical to FAOD-Ao2, and each isozyme had a peroxisome-targeting signal-1, indicating their localization in peroxisomes. The genes was expressed in Escherichia coli and rFaoAo2 showed the same characteristics as FAOD-Ao2, whereas rFaoAo1 was not active. FAOAo2 disruptant was obtained by using ptrA as a selective marker. Wild-type strain grew on the medium containing Fru-Val as the sole carbon and nitrogen sources, but strain Delta faoAo2 did not grow. Addition of glucose or (NH(4))(2)SO(4) to the Fru-Val medium did not affect the assimilation of Fru-Val by wild-type, indicating glucose and ammonium repressions did not occur in the expression of the FAOAo2 gene. Furthermore, conidia of the wild-type strain did not germinate on the medium containing Fru-Val and NaNO(2) as the sole carbon and nitrogen sources, respectively, suggesting that Fru-Val may also repress gene expression of nitrite reductase. These results indicated that FAOD is needed for utilization of fructosyl-amino acids as nitrogen sources in A. oryzae.
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Affiliation(s)
- Shin-Ichi Akazawa
- Graduate School of Biological Sciences, Nara Institute of Science and Technology, Ikoma, Nara, Japan
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Jinneman KC, Yoshitomi KJ, Weagant SD. Multiplex real-time PCR method to identify Shiga toxin genes stx1 and stx2 and Escherichia coli O157:H7/H- serotype. Appl Environ Microbiol 2004; 69:6327-33. [PMID: 14532101 PMCID: PMC201207 DOI: 10.1128/aem.69.10.6327-6333.2003] [Citation(s) in RCA: 86] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
A multiplex real-time PCR method to simultaneously detect the stx1 and stx2 genes of Shiga toxin-producing Escherichia coli and a unique conserved single-nucleotide polymorphism in the E. coli O157:H7/H- uidA gene has been developed. There is more than 98.6% sensitivity and 100% specificity for all three gene targets based on a panel of 138 isolates. The PCR efficiencies were >/= 1.89, and as few as 6 CFU/reaction could be detected.
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Affiliation(s)
- Karen C Jinneman
- Seafood Products Research Center, Pacific Regional Laboratory Northwest, U.S. Food and Drug Administration, Bothell, Washington 98021, USA.
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Sengupta S, Onodera K, Lai A, Melcher U. Molecular detection and identification of influenza viruses by oligonucleotide microarray hybridization. J Clin Microbiol 2003; 41:4542-50. [PMID: 14532180 PMCID: PMC254299 DOI: 10.1128/jcm.41.10.4542-4550.2003] [Citation(s) in RCA: 86] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2003] [Revised: 05/14/2003] [Accepted: 07/28/2003] [Indexed: 11/20/2022] Open
Abstract
Microarrays of virus-specific oligonucleotides may provide a method of screening samples for the presence or absence of a large variety of viruses simultaneously. Influenza viruses are ideal for evaluating such microarrays because of their genetic and host diversity, and the availability of an extensive sequence database. A collection of 476 influenza virus-specific oligonucleotides was spotted onto glass slides as probes. Viral RNAs were reverse transcribed and amplified by PCR, and the products were labeled with cyanine dyes. The presence of viruses and their identities were determined by hybridization. The fluorescence intensities of oligonucleotide spots were highly reproducible within each slide and satisfactorily proportional between experiments. However, the intensities of probe spots completely complementary to target sequences varied from background to saturation. The variations did not correlate with base composition, nucleotide sequence, or internal secondary structures. Therefore, thresholds for determining whether hybridization to a spot should be judged as positive were assigned individually. Considering only positive spots from probes predicted to be monospecific for influenza virus species, subtype, host source, or gene segment, this method made correct identifications at the species, hemagglutinin subtype, and gene segment levels. Monospecific neuraminidase (NA) subtype probes were insufficiently diverse to allow confident NA subtype assignment. Incorporating positive spots from polyspecific probes into the identification scheme gave similar results. Overall, the results demonstrate the potential of microarray-based oligonucleotide hybridization for multiple virus detection.
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Affiliation(s)
- Srikumar Sengupta
- Department of Biochemistry and Molecular Biology, Oklahoma State University, Stillwater, Oklahoma 74078, USA
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Kaetzke A, Körner H, Kneist S, Eschrich K. Oral Actinomyces isolates forming red colonies on brain heart blood agar can bee unambiguously classified as A odontolyticus by macroscopic examination. J Clin Microbiol 2003; 41:3729-31. [PMID: 12904382 PMCID: PMC179866 DOI: 10.1128/jcm.41.8.3729-3731.2003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The accurate classification of oral Actinomyces isolates as one species is difficult. Out of 18 Actinomyces isolates forming red colonies on brain heart blood agar, 12 could be straightforwardly assigned as Actinomyces odontolyticus by biochemical, morphological, and chemotaxonomic characteristics. For the remaining six isolates, the results of the different identification methods were inconsistent. By sequencing a 16S ribosomal DNA fragment by a rapid mass spectrometric method, all isolates could be identified unambiguously as A. odontolyticus. This result proves the importance of red colony pigmentation on brain heart blood agar together with the characteristic cell morphology for unequivocal assignment of oral Actinomyces isolates to the species A. odontolyticus.
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Affiliation(s)
- Annette Kaetzke
- Institute of Biochemistry, Medical Faculty, University of Leipzig, D-04103 Leipzig, Germany
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Löhr K, Hartmann O, Schäfer H, Dobbelstein M. Mutual interference of adenovirus infection and myc expression. J Virol 2003; 77:7936-44. [PMID: 12829833 PMCID: PMC161938 DOI: 10.1128/jvi.77.14.7936-7944.2003] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
During infection with adenovirus, massive changes in the transcription of virus genes are observed, suggesting that the expression of cellular genes may also be modulated. To characterize the levels of cellular RNA species in infected cells, cDNA arrays were screened 24 h after infection of HeLa cells with wild-type adenovirus type 5, strain dl309. Despite complete transduction of the cells, fewer than 20 cellular genes (out of 4,600 analyzed and 1,200 found detectable and expressed above background) were altered more than threefold in their corresponding RNA levels compared to mock-infected cells. In particular, the expression of the myc oncogene was reduced at the mRNA level. This reduction was dependent on the replication of virus DNA and partially dependent on the presence of the adenovirus gene products E1B-55 kDa and E4orf6, but not E4orf3. On the other hand, MYC protein had an increased half-life in infected cells, resulting in roughly constant steady-state protein levels. The adenovirus E1A gene product is necessary and sufficient to stabilize MYC. Overexpressed MYC inhibited adenovirus replication and the proper formation of the virus replication centers. We conclude that adenovirus infection leads to the stabilization of MYC, perhaps as a side effect of E1A activities. On the other hand, myc mRNA levels are negatively regulated during adenovirus infection, and this may avoid the detrimental effect of excessive MYC on adenovirus replication.
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Affiliation(s)
- Kristina Löhr
- Institut für Virologie, Philipps-Universität Marburg, Robert Koch Strasse 17, 35037 Marburg, Germany
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