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Items: 1 to 50 of 126

1.

Ultra-Wideband Temperature Dependent Dielectric Spectroscopy of Porcine Tissue and Blood in the Microwave Frequency Range.

Ley S, Schilling S, Fiser O, Vrba J, Sachs J, Helbig M.

Sensors (Basel). 2019 Apr 10;19(7). pii: E1707. doi: 10.3390/s19071707.

2.

Cytotoxicity of hexahelicene and its effect on the aryl hydrocarbon receptor pathway.

Vrba J, Roubalova L, Cirkva V, Storch J, Vacek J.

Toxicol In Vitro. 2019 Jun;57:105-109. doi: 10.1016/j.tiv.2019.02.020. Epub 2019 Feb 26.

PMID:
30822459
3.

Modeling of Brain Tissue Heating Caused by Direct Cortical Stimulation for Assessing the Risk of Thermal Damage.

Vrba J, Janca R, Blaha M, Jezdik P, Belohlavkova A, Krsek P, Vrba D.

IEEE Trans Neural Syst Rehabil Eng. 2019 Mar;27(3):440-449. doi: 10.1109/TNSRE.2019.2898253. Epub 2019 Feb 8.

PMID:
30763244
4.

Correction to: Hunters or farmers? Microbiome characteristics help elucidate the diet composition in an aquatic carnivorous plant.

Sirová D, Bárta J, Šimek K, Posch T, Pech J, Stone J, Borovec J, Adamec L, Vrba J.

Microbiome. 2019 Jan 5;7(1):4. doi: 10.1186/s40168-018-0617-y.

5.

Hunters or farmers? Microbiome characteristics help elucidate the diet composition in an aquatic carnivorous plant.

Sirová D, Bárta J, Šimek K, Posch T, Pech J, Stone J, Borovec J, Adamec L, Vrba J.

Microbiome. 2018 Dec 17;6(1):225. doi: 10.1186/s40168-018-0600-7. Erratum in: Microbiome. 2019 Jan 5;7(1):4.

6.

Preliminary Investigations for Non-invasive Temperature Change Detection in Thermotherapy by Means of UWB Microwave Radar.

Ley S, Fiser O, Merunka I, Vrba J, Sachs J, Helbig M.

Conf Proc IEEE Eng Med Biol Soc. 2018 Jul;2018:5386-5389. doi: 10.1109/EMBC.2018.8513555.

PMID:
30441554
7.

Sulfated Metabolites of Flavonolignans and 2,3-Dehydroflavonolignans: Preparation and Properties.

Valentová K, Purchartová K, Rydlová L, Roubalová L, Biedermann D, Petrásková L, Křenková A, Pelantová H, Holečková-Moravcová V, Tesařová E, Cvačka J, Vrba J, Ulrichová J, Křen V.

Int J Mol Sci. 2018 Aug 9;19(8). pii: E2349. doi: 10.3390/ijms19082349.

8.

ABC Transporters and Their Role in the Neoadjuvant Treatment of Esophageal Cancer.

Vrana D, Hlavac V, Brynychova V, Vaclavikova R, Neoral C, Vrba J, Aujesky R, Matzenauer M, Melichar B, Soucek P.

Int J Mol Sci. 2018 Mar 15;19(3). pii: E868. doi: 10.3390/ijms19030868. Review.

9.

An Experimental Insight into Extracellular Phosphatases - Differential Induction of Cell-Specific Activity in Green Algae Cultured under Various Phosphorus Conditions.

Vrba J, Macholdová M, Nedbalová L, Nedoma J, Šorf M.

Front Microbiol. 2018 Feb 21;9:271. doi: 10.3389/fmicb.2018.00271. eCollection 2018.

10.

Metabolism of flavonolignans in human hepatocytes.

Vrba J, Papoušková B, Roubalová L, Zatloukalová M, Biedermann D, Křen V, Valentová K, Ulrichová J, Vacek J.

J Pharm Biomed Anal. 2018 Apr 15;152:94-101. doi: 10.1016/j.jpba.2018.01.048. Epub 2018 Jan 31.

PMID:
29414024
11.

Flavonolignan 2,3-dehydrosilydianin activates Nrf2 and upregulates NAD(P)H:quinone oxidoreductase 1 in Hepa1c1c7 cells.

Roubalová L, Dinkova-Kostova AT, Biedermann D, Křen V, Ulrichová J, Vrba J.

Fitoterapia. 2017 Jun;119:115-120. doi: 10.1016/j.fitote.2017.04.012. Epub 2017 Apr 24.

12.

Novel flavonolignan hybrid antioxidants: From enzymatic preparation to molecular rationalization.

Vavříková E, Křen V, Jezova-Kalachova L, Biler M, Chantemargue B, Pyszková M, Riva S, Kuzma M, Valentová K, Ulrichová J, Vrba J, Trouillas P, Vacek J.

Eur J Med Chem. 2017 Feb 15;127:263-274. doi: 10.1016/j.ejmech.2016.12.051. Epub 2016 Dec 26.

PMID:
28068598
13.

Semisynthetic flavonoid 7-O-galloylquercetin activates Nrf2 and induces Nrf2-dependent gene expression in RAW264.7 and Hepa1c1c7 cells.

Roubalová L, Biedermann D, Papoušková B, Vacek J, Kuzma M, Křen V, Ulrichová J, Dinkova-Kostova AT, Vrba J.

Chem Biol Interact. 2016 Dec 25;260:58-66. doi: 10.1016/j.cbi.2016.10.015. Epub 2016 Oct 21.

14.

Protective effect of isoquercitrin against acute dextran sulfate sodium-induced rat colitis depends on the severity of tissue damage.

Cibiček N, Roubalová L, Vrba J, Zatloukalová M, Ehrmann J, Zapletalová J, Večeřa R, Křen V, Ulrichová J.

Pharmacol Rep. 2016 Dec;68(6):1197-1204. doi: 10.1016/j.pharep.2016.07.007. Epub 2016 Sep 19.

PMID:
27657482
15.

Energy parasites trigger oncogene mutation.

Pokorný J, Pokorný J, Jandová A, Kobilková J, Vrba J, Vrba J Jr.

Int J Radiat Biol. 2016 Oct;92(10):577-82. doi: 10.1080/09553002.2016.1222095. Epub 2016 Sep 7.

PMID:
27548028
16.

Flavonolignan 2,3-dehydroderivatives: Preparation, antiradical and cytoprotective activity.

Pyszková M, Biler M, Biedermann D, Valentová K, Kuzma M, Vrba J, Ulrichová J, Sokolová R, Mojović M, Popović-Bijelić A, Kubala M, Trouillas P, Křen V, Vacek J.

Free Radic Biol Med. 2016 Jan;90:114-25. doi: 10.1016/j.freeradbiomed.2015.11.014. Epub 2015 Nov 12.

PMID:
26582372
17.

Mitochondrial Dysfunction and Disturbed Coherence: Gate to Cancer.

Pokorný J, Pokorný J, Foletti A, Kobilková J, Vrba J, Vrba J.

Pharmaceuticals (Basel). 2015 Sep 30;8(4):675-95. doi: 10.3390/ph8040675. Review.

18.

Sulfation modulates the cell uptake, antiradical activity and biological effects of flavonoids in vitro: An examination of quercetin, isoquercitrin and taxifolin.

Roubalová L, Purchartová K, Papoušková B, Vacek J, Křen V, Ulrichová J, Vrba J.

Bioorg Med Chem. 2015 Sep 1;23(17):5402-9. doi: 10.1016/j.bmc.2015.07.055. Epub 2015 Jul 29.

PMID:
26260337
19.

Diseases caused by defects of energy level and loss of coherence in living cells.

Jandová A, Pokorný J, Pokorný J, Kobilková J, Nedbalová M, Čoček A, Jelínek F, Vrba J, Vrba J Jr, Dohnalová A, Kytnarová J, Tuszyński JA, Foletti A.

Electromagn Biol Med. 2015;34(2):151-5. doi: 10.3109/15368378.2015.1036076.

PMID:
26098528
20.

Targeting mitochondria for cancer treatment - two types of mitochondrial dysfunction.

Pokorný J, Pokorný J, Kobilková J, Jandová A, Vrba J, Vrba J.

Prague Med Rep. 2014;115(3-4):104-19. doi: 10.14712/23362936.2014.41. Review.

21.

Metabolism of palmatine by human hepatocytes and recombinant cytochromes P450.

Vrba J, Papouskova B, Pyszkova M, Zatloukalova M, Lemr K, Ulrichova J, Vacek J.

J Pharm Biomed Anal. 2015 Jan;102:193-8. doi: 10.1016/j.jpba.2014.09.015. Epub 2014 Sep 19.

PMID:
25285405
22.

Light availability may control extracellular phosphatase production in turbid environments.

Rychtecký P, Řeháková K, Kozlíková E, Vrba J.

Microb Ecol. 2015 Jan;69(1):37-44. doi: 10.1007/s00248-014-0483-5. Epub 2014 Sep 5.

PMID:
25190580
23.

Investigation of protein FTT1103 electroactivity using carbon and mercury electrodes. Surface-inhibition approach for disulfide oxidoreductases using silver amalgam powder.

Večerková R, Hernychová L, Dobeš P, Vrba J, Josypčuk B, Bartošík M, Vacek J.

Anal Chim Acta. 2014 Jun 9;830:23-31. doi: 10.1016/j.aca.2014.04.056. Epub 2014 May 2.

PMID:
24856508
24.

Dinitrogen fixation associated with shoots of aquatic carnivorous plants: is it ecologically important?

Sirová D, Santrůček J, Adamec L, Bárta J, Borovec J, Pech J, Owens SM, Santrůčková H, Schäufele R, Storchová H, Vrba J.

Ann Bot. 2014 Jul;114(1):125-33. doi: 10.1093/aob/mcu067. Epub 2014 May 9.

25.

Isoquercitrin: pharmacology, toxicology, and metabolism.

Valentová K, Vrba J, Bancířová M, Ulrichová J, Křen V.

Food Chem Toxicol. 2014 Jun;68:267-82. doi: 10.1016/j.fct.2014.03.018. Epub 2014 Mar 27. Review.

PMID:
24680690
26.

Palmatine activates AhR and upregulates CYP1A activity in HepG2 cells but not in human hepatocytes.

Vrba J, Havlikova M, Gerhardova D, Ulrichova J.

Toxicol In Vitro. 2014 Jun;28(4):693-9. doi: 10.1016/j.tiv.2014.02.008. Epub 2014 Feb 27.

PMID:
24583342
27.

Metal and proton toxicity to lake zooplankton: a chemical speciation based modelling approach.

Stockdale A, Tipping E, Lofts S, Fott J, Garmo OA, Hruska J, Keller B, Löfgren S, Maberly SC, Majer V, Nierzwicki-Bauer SA, Persson G, Schartau AK, Thackeray SJ, Valois A, Vrba J, Walseng B, Yan N.

Environ Pollut. 2014 Mar;186:115-25. doi: 10.1016/j.envpol.2013.11.012. Epub 2013 Dec 25.

PMID:
24370669
28.

LC-MS metabolic study on quercetin and taxifolin galloyl esters using human hepatocytes as toxicity and biotransformation in vitro cell model.

Vacek J, Papoušková B, Vrba J, Zatloukalová M, Křen V, Ulrichová J.

J Pharm Biomed Anal. 2013 Dec;86:135-42. doi: 10.1016/j.jpba.2013.07.045. Epub 2013 Aug 14.

PMID:
24008144
29.

Biophysical insights into cancer transformation and treatment.

Pokorný J, Foletti A, Kobilková J, Jandová A, Vrba J, Vrba J Jr, Nedbalová M, Čoček A, Danani A, Tuszyński JA.

ScientificWorldJournal. 2013 Jun 11;2013:195028. doi: 10.1155/2013/195028. Print 2013.

30.

Forest die-back modified plankton recovery from acidic stress.

Vrba J, Kopáček J, Fott J, Nedbalová L.

Ambio. 2014 Mar;43(2):207-17. doi: 10.1007/s13280-013-0415-5. Epub 2013 Jun 2.

31.

Operator independent focused high frequency ISM band for fat reduction: porcine model.

Weiss R, Weiss M, Beasley K, Vrba J, Bernardy J.

Lasers Surg Med. 2013 Apr;45(4):235-9. doi: 10.1002/lsm.22134.

32.

A novel semisynthetic flavonoid 7-O-galloyltaxifolin upregulates heme oxygenase-1 in RAW264.7 cells via MAPK/Nrf2 pathway.

Vrba J, Gažák R, Kuzma M, Papoušková B, Vacek J, Weiszenstein M, Křen V, Ulrichová J.

J Med Chem. 2013 Feb 14;56(3):856-66. doi: 10.1021/jm3013344. Epub 2013 Jan 18.

PMID:
23294286
33.

Mitochondrial metabolism - neglected link of cancer transformation and treatment.

Pokorný J, Jandová A, Nedbalová M, Jelínek F, Cifra M, Kučera O, Havelka D, Vrba J, Vrba J Jr, Coček A, Kobilková J.

Prague Med Rep. 2012;113(2):81-94. Review.

PMID:
22691280
34.

Biotransformation of flavonols and taxifolin in hepatocyte in vitro systems as determined by liquid chromatography with various stationary phases and electrospray ionization-quadrupole time-of-flight mass spectrometry.

Vacek J, Papoušková B, Kosina P, Vrba J, Křen V, Ulrichová J.

J Chromatogr B Analyt Technol Biomed Life Sci. 2012 Jun 15;899:109-15. doi: 10.1016/j.jchromb.2012.05.009. Epub 2012 May 14.

PMID:
22664057
35.

Quercetin, quercetin glycosides and taxifolin differ in their ability to induce AhR activation and CYP1A1 expression in HepG2 cells.

Vrba J, Kren V, Vacek J, Papouskova B, Ulrichova J.

Phytother Res. 2012 Nov;26(11):1746-52. doi: 10.1002/ptr.4637. Epub 2012 Mar 15.

PMID:
22422552
36.

Design of a wideband multi-channel system for time reversal hyperthermia.

Trefná HD, Togni P, Shiee R, Vrba J, Persson M.

Int J Hyperthermia. 2012;28(2):175-83. doi: 10.3109/02656736.2011.641655.

PMID:
22335231
37.

HDAC inhibitors sodium butyrate and sodium valproate do not affect human ncor1 and ncor2 gene expression in HL-60 cells.

Vrba J, Trtkova K, Ulrichova J.

Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub. 2011 Sep;155(3):259-62. doi: 10.5507/bp.2011.033.

38.

Induction of heme oxygenase-1 by Macleaya cordata extract and its constituent sanguinarine in RAW264.7 cells.

Vrba J, Orolinova E, Ulrichova J.

Fitoterapia. 2012 Mar;83(2):329-35. doi: 10.1016/j.fitote.2011.11.022. Epub 2011 Dec 4.

PMID:
22166397
39.

Removal of interference from fetal MEG by frequency dependent subtraction.

Vrba J, McCubbin J, Govindan RB, Vairavan S, Murphy P, Preissl H, Lowery CL, Eswaran H.

Neuroimage. 2012 Feb 1;59(3):2475-84. doi: 10.1016/j.neuroimage.2011.08.103. Epub 2011 Sep 10.

40.

High-frequency electric field and radiation characteristics of cellular microtubule network.

Havelka D, Cifra M, Kučera O, Pokorný J, Vrba J.

J Theor Biol. 2011 Oct 7;286(1):31-40. doi: 10.1016/j.jtbi.2011.07.007. Epub 2011 Jul 20.

PMID:
21782830
41.

Protopine and allocryptopine increase mRNA levels of cytochromes P450 1A in human hepatocytes and HepG2 cells independently of AhR.

Vrba J, Vrublova E, Modriansky M, Ulrichova J.

Toxicol Lett. 2011 Jun 10;203(2):135-41. doi: 10.1016/j.toxlet.2011.03.015. Epub 2011 Mar 23.

PMID:
21419197
42.

Prospects for radiofrequency hyperthermia applicator research. I--Pre-optimised prototypes of endocavitary applicators with matching interfaces for prostate hyperplasia and cancer treatments.

Franconi C, Vrba J, Micali F, Pesce F.

Int J Hyperthermia. 2011;27(2):187-98. doi: 10.3109/02656736.2010.521886. Epub 2011 Jan 20.

PMID:
21250898
43.
44.

Time-reversal focusing in microwave hyperthermia for deep-seated tumors.

Trefná HD, Vrba J, Persson M.

Phys Med Biol. 2010 Apr 21;55(8):2167-85. doi: 10.1088/0031-9155/55/8/004. Epub 2010 Mar 26.

PMID:
20348605
45.

Evaluation of a patch antenna applicator for time reversal hyperthemia.

Dobsícek Trefná H, Vrba J, Persson M.

Int J Hyperthermia. 2010;26(2):185-97. doi: 10.3109/02656730903436434.

PMID:
20146572
46.

Microwave applicator for hyperthermia treatment on in vivo melanoma model.

Togni P, Vrba J, Vannucci L.

Med Biol Eng Comput. 2010 Mar;48(3):285-92. doi: 10.1007/s11517-009-0563-8. Epub 2009 Dec 24.

PMID:
20033789
47.

Signal space separation beamformer.

Vrba J, Taulu S, Nenonen J, Ahonen A.

Brain Topogr. 2010 Jun;23(2):128-33. doi: 10.1007/s10548-009-0120-7. Epub 2009 Nov 27.

48.

Understanding dynamics of the system using Hilbert phases: an application to study neonatal and fetal brain signals.

Govindan RB, Vairavan S, Wilson JD, Preissl H, Vrba J, Lowery CL, Eswaran H.

Phys Rev E Stat Nonlin Soft Matter Phys. 2009 Oct;80(4 Pt 2):046213. Epub 2009 Oct 23.

49.

Utricularia carnivory revisited: plants supply photosynthetic carbon to traps.

Sirová D, Borovec J, Santrůcková H, Santrucek J, Vrba J, Adamec L.

J Exp Bot. 2010;61(1):99-103. doi: 10.1093/jxb/erp286.

PMID:
19755570
50.

Fetal MEG evoked response latency from beamformer with random field theory.

McCubbin J, Vrba J, Murphy P, Temple J, Eswaran H, Lowery CL, Preissl H.

Neuroimage. 2010 Jan 1;49(1):282-92. doi: 10.1016/j.neuroimage.2009.08.019. Epub 2009 Aug 15.

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