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T. Theodossiou · SciRah

Researcher profile · Semantic Scholar

T. Theodossiou

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T. Theodossiou — researcher profile on SciRah

h-index: 26
Works: 75
Citations: 2,505

Most-cited papers

Microenvironmental autophagy promotes tumour growth
Nadja S. Katheder, Rojyar Khezri, Fergal O'Farrell, S. Schultz +10 more
2017Nature423 citations Open access
Semantic Scholar
Second harmonic generation confocal microscopy of collagen type I from rat tendon cryosections.
T. Theodossiou, C. Thrasivoulou, C. Ekwobi, D. Becker
2006Biophysical Journal171 citations Open access
Semantic Scholar
The multifaceted photocytotoxic profile of hypericin.
T. Theodossiou, J. Hothersall, P. D. de Witte, Alexandros Pantos +1 more
2009Molecular Pharmaceutics126 citations
Semantic Scholar
Simultaneous defeat of MCF7 and MDA-MB-231 resistances by a hypericin PDT–tamoxifen hybrid therapy
T. Theodossiou, Muhammad Ali, M. Grigalavičius, B. Grallert +8 more
2019npj Breast Cancer124 citations Open access
Semantic Scholar
Thermally Induced Irreversible Conformational Changes in Collagen Probed by Optical Second Harmonic Generation and Laser-induced Fluorescence
T. Theodossiou, G. Rapti, V. Hovhannisyan, E. Georgiou +2 more
2002Lasers in Medical Science112 citations
Semantic Scholar
Photochemical Internalization for Intracellular Drug Delivery. From Basic Mechanisms to Clinical Research
W. Jerjes, T. Theodossiou, H. Hirschberg, A. Høgset +5 more
2020Journal of Clinical Medicine97 citations Open access
Semantic Scholar
Second and third optical harmonic generation in type I collagen, by nanosecond laser irradiation, over a broad spectral region
E. Georgiou, T. Theodossiou, V. Hovhannisyan, K. Politopoulos +2 more
200086 citations
Semantic Scholar
Firefly luciferin-activated rose bengal: in vitro photodynamic therapy by intracellular chemiluminescence in transgenic NIH 3T3 cells.
T. Theodossiou, J. Hothersall, E. A. Woods, K. Okkenhaug +2 more
2003Cancer Research83 citations
Semantic Scholar
Artesunate shows potent anti-tumor activity in B-cell lymphoma
T. K. Våtsveen, M. R. Myhre, C. Steen, S. Wälchli +10 more
2018Journal of Hematology & Oncology82 citations Open access
Semantic Scholar
The diverse roles of glutathione-associated cell resistance against hypericin photodynamic therapy
T. Theodossiou, C. E. Olsen, M. Jonsson, A. Kubin +2 more
2017Redox Biology82 citations Open access
Semantic Scholar
NK cells specifically TCR-dressed to kill cancer cells
N. Mensali, Pierre Dillard, Michael Hebeisen, S. Lorenz +8 more
2019EBioMedicine71 citations Open access
Semantic Scholar
Mitochondrial Delivery of Doxorubicin by Triphenylphosphonium-Functionalized Hyperbranched Nanocarriers Results in Rapid and Severe Cytotoxicity
T. Theodossiou, Z. Sideratou, M. Katsarou, D. Tsiourvas
2013Pharmaceutical Research64 citations
Semantic Scholar
A novel micellar PEGylated hyperbranched polyester as a prospective drug delivery system for paclitaxel.
Christina Kontoyianni, Z. Sideratou, T. Theodossiou, L. Tziveleka +2 more
2008Macromolecular Bioscience61 citations
Semantic Scholar
Photochemical internalization of tamoxifens transported by a "Trojan-horse" nanoconjugate into breast-cancer cell lines.
T. Theodossiou, A. R. Gonçalves, K. Yannakopoulou, E. Skarpen +1 more
2015Angewandte Chemie58 citations
Semantic Scholar
Interaction and transport of poly(L-lysine) dendrigrafts through liposomal and cellular membranes: the role of generation and surface functionalization.
Ioannis Tsogas, T. Theodossiou, Z. Sideratou, C. M. Paleos +4 more
2007Biomacromolecules55 citations
Semantic Scholar
Mitochondria are a primary target of hypericin phototoxicity: synergy of intracellular calcium mobilisation in cell killing.
T. Theodossiou, A. Noronha-Dutra, J. Hothersall
2006International Journal of Biochemistry and Cell Biology48 citations
Semantic Scholar
Guanidinylated Dendritic Molecular Transporters: Prospective Drug Delivery Systems and Application in Cell Transfection
T. Theodossiou, Alexandros Pantos, Ioannis Tsogas, C. M. Paleos
2008ChemMedChem47 citations
Semantic Scholar
Evidence for Intracellular Aggregation of Hypericin and the Impact on its Photocytotoxicity in PAM 212 Murine Keratinocytes¶
T. Theodossiou, Michael D. Spiro, J. Jacobson, J. Hothersall +1 more
2004Photochemistry and Photobiology47 citations
Semantic Scholar
Interactive Transport, Subcellular Relocation and Enhanced Phototoxicity of Hypericin Encapsulated in Guanidinylated Liposomes via Molecular Recognition †
Maria C. Galanou, T. Theodossiou, D. Tsiourvas, Z. Sideratou +1 more
2008Photochemistry and Photobiology37 citations
Semantic Scholar
Photochemical effects and hypericin photosensitized processes in collagen.
D. Yova, V. Hovhannisyan, T. Theodossiou
2001Journal of Biomedical Optics33 citations Open access
Semantic Scholar
Proton-dynamic therapy following photosensitiser activation by accelerated protons demonstrated through fluorescence and singlet oxygen production
M. Grigalavičius, M. Mastrangelopoulou, K. Berg, D. Arous +8 more
2019Nature Communications31 citations Open access
Semantic Scholar
Drug-Loaded Lipid-Coated Hybrid Organic-Inorganic “Stealth” Nanoparticles for Cancer Therapy
Xue Li, G. Salzano, Jingwen Qiu, M. Ménard +4 more
2020Frontiers in Bioengineering and Biotechnology30 citations Open access
Semantic Scholar
Functionalized Hyperbranched Polyethylenimines as Thermosensitive Drug Delivery Nanocarriers with Controlled Transition Temperatures.
Z. Sideratou, Maria Agathokleous, T. Theodossiou, D. Tsiourvas
2018Biomacromolecules30 citations
Semantic Scholar
Molecular Basis for Increased Risk for Late-onset Alzheimer Disease Due to the Naturally Occurring L28P Mutation in Apolipoprotein E4*
Letta Argyri, I. Dafnis, T. Theodossiou, Donald L. Gantz +2 more
2014Journal of Biological Chemistry29 citations Open access
Semantic Scholar
Cytotoxic and Photocytotoxic Effects of Cercosporin on Human Tumor Cell Lines
M. Mastrangelopoulou, M. Grigalavičius, K. Berg, M. Ménard +1 more
2018Photochemistry and Photobiology28 citations Open access
Semantic Scholar
Novel amiodarone-doxorubicin cocktail liposomes enhance doxorubicin retention and cytotoxicity in DU145 human prostate carcinoma cells.
T. Theodossiou, M. Galanou, C. M. Paleos
2008Journal of Medicinal Chemistry28 citations
Semantic Scholar
Predictive biomarkers for 5‐ALA‐PDT can lead to personalized treatments and overcome tumor‐specific resistances
M. Mastrangelopoulou, M. Grigalavičius, T. H. Raabe, E. Skarpen +4 more
2020Cancer Reports26 citations Open access
Semantic Scholar
Synthesis and characterization of multifunctional hyperbranched polyesters as prospective contrast agents for targeted MRI.
Z. Sideratou, D. Tsiourvas, T. Theodossiou, M. Fardis +1 more
2010Bioorganic & Medicinal Chemistry Letters26 citations
Semantic Scholar
Comparison of the Photodynamic Effect of Exogenous Photoprotoporphyrin and Protoporphyrin IX on PAM 212 Murine Keratinocytes¶
T. Theodossiou, A. MacRobert
200225 citations
Semantic Scholar
Interactive Transport of Guanidinylated Poly(propylene imine)‐Based Dendrimers through Liposomal and Cellular Membranes
Ioannis Tsogas, Z. Sideratou, D. Tsiourvas, T. Theodossiou +1 more
2007ChemBioChem24 citations
Semantic Scholar
S-nitroso-β-cyclodextrins as new bimodal carriers: preparation, detailed characterization, nitric-oxide release, and molecular encapsulation.
L. Piras, T. Theodossiou, Malamatenia D Manouilidou, Y. Lazarou +2 more
2013Chemistry - An Asian Journal22 citations
Semantic Scholar
Protoporphyrin IX–β‐Cyclodextrin Bimodal Conjugate: Nanosized Drug Transporter and Potent Phototoxin
C. Aggelidou, T. Theodossiou, K. Yannakopoulou
2013Photochemistry and Photobiology22 citations
Semantic Scholar
Molecular modeling and experimental evidence for hypericin as a substrate for mitochondrial complex III; mitochondrial photodamage as demonstrated using specific inhibitors.
T. Theodossiou, A. Papakyriakou, J. Hothersall
2008Free Radical Biology & Medicine19 citations
Semantic Scholar
Carboxylated Hydroxyethyl Starch: A novel Polysaccharide for the Delivery of Doxorubicin
C. M. Paleos, Z. Sideratou, T. Theodossiou, D. Tsiourvas
2015Chemical Biology and Drug Design18 citations
Semantic Scholar
A multifunctional bichromophoric nanoaggregate for fluorescence imaging and simultaneous photogeneration of RNOS and ROS.
Aurore Fraix, A. R. Gonçalves, V. Cardile, A. Graziano +3 more
2013Chemistry - An Asian Journal18 citations
Semantic Scholar
5-ALA Is a Potent Lactate Dehydrogenase Inhibitor but Not a Substrate: Implications for Cell Glycolysis and New Avenues in 5-ALA-Mediated Anticancer Action
M. Grigalavičius, S. Ezzatpanah, A. Papakyriakou, T. H. Raabe +2 more
2022Cancers17 citations Open access
Semantic Scholar
Tamoxifen Subcellular Localization; Observation of Cell‐Specific Cytotoxicity Enhancement by Inhibition of Mitochondrial ETC Complexes I and III
T. Theodossiou, K. Yannakopoulou, C. Aggelidou, J. Hothersall
2012Photochemistry and Photobiology17 citations
Semantic Scholar
Visual Observation of Infrared Laser Speckle Patterns at Half Their Fundamental Wavelength
T. Theodossiou, E. Georgiou, V. Hovhannisyan, D. Yova
2001Lasers in Medical Science16 citations
Semantic Scholar
Myeloperoxidase exerts anti-tumor activity in glioma after radiotherapy
Muhammad Ali, G. Fulci, M. Grigalavičius, B. Pulli +7 more
2022Neoplasia14 citations Open access
Semantic Scholar
Deciphering the Nongenomic, Mitochondrial Toxicity of Tamoxifens As Determined by Cell Metabolism and Redox Activity.
T. Theodossiou, S. Wälchli, C. E. Olsen, E. Skarpen +1 more
2016ACS Chemical Biology14 citations
Semantic Scholar
A versatile δ-aminolevulinic acid (ΑLA)-cyclodextrin bimodal conjugate-prodrug for PDT applications with the help of intracellular chemistry
C. Aggelidou, T. Theodossiou, A. R. Gonçalves, Mariza Lampropoulou +1 more
2014Beilstein Journal of Organic Chemistry14 citations Open access
Semantic Scholar
A novel mitotropic oligolysine nanocarrier: Targeted delivery of covalently bound D-Luciferin to cell mitochondria.
T. Theodossiou, Z. Sideratou, D. Tsiourvas, C. M. Paleos
2011Mitochondrion (Amsterdam. Print)14 citations
Semantic Scholar
Comparison of the Photodynamic Effect of Exogenous Photoprotoporphyrin and Protoporphyrin IX on PAM 212 Murine Keratinocytes ¶
T. Theodossiou, A. MacRobert
2002Photochemistry and Photobiology13 citations
Semantic Scholar
CHEMICAL APPLICATIONS OF LASERS | Photodynamic Therapy of Cancer
A. MacRobert, T. Theodossiou
200512 citations
Semantic Scholar
Photodynamic Efficacy of Cercosporin in 3D Tumor Cell Cultures
M. Grigalavičius, M. Mastrangelopoulou, D. Arous, A. Juzeniene +4 more
2020Photochemistry and Photobiology10 citations Open access
Semantic Scholar
Impact of genotypic and phenotypic differences in sarcoma models on the outcome of photochemical internalization (PCI) of bleomycin.
C. E. Olsen, Simen Sellevold, T. Theodossiou, S. Patzke +1 more
2017Photodiagnosis and Photodynamic Therapy10 citations Open access
Semantic Scholar
The Oslo Cyclotron Laboratory
A. Görgen, M. Guttormsen, A. Larsen, S. Siem +10 more
2021The European Physical Journal Plus8 citations Open access
Semantic Scholar
Small anticancer drug release by light: Photochemical internalization of porphyrin-β-cyclodextrin nanoparticles.
Stylianos Panagiotakis, B. Mavroidi, A. Athanasopoulos, A. R. Gonçalves +11 more
2023Carbohydrate Polymers7 citations Open access
Semantic Scholar
A Family of Potent Ru(II) Photosensitizers with Enhanced DNA Intercalation: Bimodal Photokillers
Eleftherios K. Pefkianakis, T. Theodossiou, Dimitra K. Toubanaki, E. Karagouni +3 more
2015Photochemistry and Photobiology7 citations
Semantic Scholar
Hypericin Hydroquinone: Potential as a Red‐Far Red Photosensitizer?
T. Theodossiou, D. Tsiourvas, J. Hothersall
2010Photochemistry and Photobiology7 citations
Semantic Scholar

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