PubMed

Analysis of 23 Polycyclic Aromatic Hydrocarbons in Smokeless Tobacco by Gas Chromatography-Mass Spectrometry.

Stepanov I, Villalta PW, Knezevich A, Jensen J, Hatsukami D, Hecht SS.

Chem Res Toxicol. 2009 Oct 27. [Epub ahead of print]PMID: 19860436 [PubMed - as supplied by publisher]Related articles

Presence of the carcinogen N'-nitrosonornicotine in the urine of some users of oral nicotine replacement therapy products.

Stepanov I, Carmella SG, Briggs A, Hertsgaard L, Lindgren B, Hatsukami D, Hecht SS.

Cancer Res. 2009 Nov 1;69(21):8236-40. Epub 2009 Oct 20.PMID: 19843845 [PubMed - in process]Related articles

[Significance of melatonin and its receptors in pathogenesis of acute pancreatitis]

Semenov DIu, Tonoian AG, Stepanov IA, Gorchakova MV, Shapkina LG.

Vestn Khir Im I I Grek. 2009;168(3):107-10. Review. Russian. No abstract available. PMID: 19663294 [PubMed - indexed for MEDLINE]Related articles

Effects of intracisternal administration of insulin on the time dynamics of behavior in rats.

Shestakova SA, Stepanov II, Eliseeva AP, Shatik SV, Tishkovskaya YA, Klimenko VM.

Neurosci Behav Physiol. 2009 Sep;39(7):671-82. Epub 2009 Jul 21.PMID: 19621271 [PubMed - indexed for MEDLINE]Related articles

Evidence for endogenous formation of N'-nitrosonornicotine in some long-term nicotine patch users.

Stepanov I, Carmella SG, Han S, Pinto A, Strasser AA, Lerman C, Hecht SS.

Nicotine Tob Res. 2009 Jan;11(1):99-105. Epub 2009 Jan 27.PMID: 19246447 [PubMed - indexed for MEDLINE]Related articles

Mitochondrial DNA adducts in the lung and liver of F344 rats chronically treated with 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone and (S)-4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol.

Stepanov I, Hecht SS.

Chem Res Toxicol. 2009 Feb;22(2):406-14.PMID: 19166332 [PubMed - indexed for MEDLINE]Related articles

State of the cervical section of the spinal cord in patients with remitting multiple sclerosis during immunomodulatory treatment.

Shipova EG, Spirin NN, Kasatkin DS, Shumakov EI, Stepanov IO.

Neurosci Behav Physiol. 2009 Jan;39(1):47-51.PMID: 19089623 [PubMed - indexed for MEDLINE]Related articles

New and traditional smokeless tobacco: comparison of toxicant and carcinogen levels.

Stepanov I, Jensen J, Hatsukami D, Hecht SS.

Nicotine Tob Res. 2008 Dec;10(12):1773-82.PMID: 19023828 [PubMed - indexed for MEDLINE]Related articles

[Combined treatment of auricular vascular neoplasms]

Ol'shanskiĭ MS, Korotkikh NG, Shcherbinin AS, Stepanov IV.

Vestn Otorinolaringol. 2008;(5):48-50. Russian. PMID: 19008842 [PubMed - indexed for MEDLINE]Related articles

[New technologies for the treatment of complicated duodenal ulcers]

Vlasov AP, Saraev VV, Stepanov IuP, Rubtsov OIu.

Khirurgiia (Mosk). 2008;(8):44-8; discussion 48. Russian. PMID: 18833148 [PubMed - indexed for MEDLINE]Related articles

[The influence of intracysternal insulin administration on the rat temporal behaviour dynamics]

Shestakova SA, Stepanov II, Eliseeva AP, Shatik SV, Tishkovskaia IuA, Klimenko MV.

Ross Fiziol Zh Im I M Sechenova. 2008 Aug;94(8):871-87. Russian. PMID: 18825928 [PubMed - indexed for MEDLINE]Related articles

Extensive metabolic activation of the tobacco-specific carcinogen 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone in smokers.

Stepanov I, Upadhyaya P, Carmella SG, Feuer R, Jensen J, Hatsukami DK, Hecht SS.

Cancer Epidemiol Biomarkers Prev. 2008 Jul;17(7):1764-73.PMID: 18628430 [PubMed - indexed for MEDLINE]Related articlesFree article

Detection and quantitation of N'-nitrosonornicotine in human toenails by liquid chromatography-electrospray ionization-tandem mass spectrometry.

Stepanov I, Hecht SS.

Cancer Epidemiol Biomarkers Prev. 2008 Apr;17(4):945-8.PMID: 18398035 [PubMed - indexed for MEDLINE]Related articlesFree article

[Endovascular microembolization of the posterior auricular artery in comprehensive surgical management of capillary angioma of the floor of the auricle]

Korotkikh NG, Ol'shanskiĭ MS, Shcherbinin AS, Stepanov IV, Alekseeva TV, Ovsiannikov IuM.

Angiol Sosud Khir. 2007;13(4):74-6. Russian. PMID: 18385652 [PubMed - indexed for MEDLINE]Related articles

Exposure to nicotine and a tobacco-specific carcinogen increase with duration of use of smokeless tobacco.

Hecht SS, Carmella SG, Edmonds A, Murphy SE, Stepanov I, Luo X, Hatsukami DK.

Tob Control. 2008 Apr;17(2):128-31.PMID: 18375734 [PubMed - indexed for MEDLINE]Related articlesFree article

Metabolism of the tobacco-specific carcinogen 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone to its biomarker total NNAL in smokeless tobacco users.

Hecht SS, Carmella SG, Stepanov I, Jensen J, Anderson A, Hatsukami DK.

Cancer Epidemiol Biomarkers Prev. 2008 Mar;17(3):732-5.PMID: 18349296 [PubMed - indexed for MEDLINE]Related articlesFree article

Changing smokeless tobacco products new tobacco-delivery systems.

Hatsukami DK, Ebbert JO, Feuer RM, Stepanov I, Hecht SS.

Am J Prev Med. 2007 Dec;33(6 Suppl):S368-78. Review.PMID: 18021912 [PubMed - indexed for MEDLINE]Related articles

Effects of intracerebroventricular administration of beta-amyloid on the dynamics of learning in purebred and mongrel rats.

Stepanov II, Kuznetsova NN, Klement'ev BI, Sapronov NS.

Neurosci Behav Physiol. 2007 Jul;37(6):583-90.PMID: 17657429 [PubMed - indexed for MEDLINE]Related articles

Endogenous formation of N'-nitrosonornicotine in F344 rats in the presence of some antioxidants and grape seed extract.

Porubin D, Hecht SS, Li ZZ, Gonta M, Stepanov I.

J Agric Food Chem. 2007 Aug 22;55(17):7199-204. Epub 2007 Jul 19.PMID: 17637060 [PubMed - indexed for MEDLINE]Related articles

Relationship of human toenail nicotine, cotinine, and 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol to levels of these biomarkers in plasma and urine.

Stepanov I, Hecht SS, Lindgren B, Jacob P 3rd, Wilson M, Benowitz NL.

Cancer Epidemiol Biomarkers Prev. 2007 Jul;16(7):1382-6.PMID: 17627002 [PubMed - indexed for MEDLINE]Related articlesFree article

[Dose-dependent effects of intracisternally administered insulin on rat's behavior and glucose level]

Shestakova SA, Stepanov II, Eliseeva AP, Shatik SV, Fedorova NV, Klimenko VM.

Ross Fiziol Zh Im I M Sechenova. 2007 Mar;93(3):264-74. Russian. PMID: 17598469 [PubMed - indexed for MEDLINE]Related articles

[Vertebral syndrome in multiple sclerosis: causes, clinical peculiarities and problems of differential diagnosis]

Spirin NN, Shipova EG, Shumakov EI, Stepanov IO.

Zh Nevrol Psikhiatr Im S S Korsakova. 2006;Spec No 3:50-5. Russian. PMID: 17172236 [PubMed - indexed for MEDLINE]Related articles

Mass spectrometric quantitation of nicotine, cotinine, and 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol in human toenails.

Stepanov I, Feuer R, Jensen J, Hatsukami D, Hecht SS.

Cancer Epidemiol Biomarkers Prev. 2006 Dec;15(12):2378-83.PMID: 17164359 [PubMed - indexed for MEDLINE]Related articlesFree article

[Complex prophylaxis of duodenal stump sutures insufficiency]

Vlasov AP, Saraev VV, Stepanov IuP.

Khirurgiia (Mosk). 2006;(11):24-8. Russian. PMID: 17159872 [PubMed - indexed for MEDLINE]Related articles

Regression analysis of relationship between liver weight and body weight after partial hepatectomy in rats.

Khnychenko LK, Stepanov II, Sapronov NS.

Bull Exp Biol Med. 2006 Feb;141(2):269-71.PMID: 16984115 [PubMed - indexed for MEDLINE]Related articles

Tobacco-specific nitrosamines in new tobacco products.

Stepanov I, Jensen J, Hatsukami D, Hecht SS.

Nicotine Tob Res. 2006 Apr;8(2):309-13.PMID: 16766423 [PubMed - indexed for MEDLINE]Related articles

[The phenotropil treatment of the consequences of brain organic lesions]

Savchenko AIu, Zakharova NS, Stepanov IN.

Zh Nevrol Psikhiatr Im S S Korsakova. 2005;105(12):22-6. Russian. PMID: 16447562 [PubMed - indexed for MEDLINE]Related articles

Uptake of the tobacco-specific lung carcinogen 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone by Moldovan children.

Stepanov I, Hecht SS, Duca G, Mardari I.

Cancer Epidemiol Biomarkers Prev. 2006 Jan;15(1):7-11.PMID: 16434579 [PubMed - indexed for MEDLINE]Related articlesFree article

A new mathematical model for assessment of memorization dynamics.

Stepanov II, Abramson CI.

Span J Psychol. 2005 Nov;8(2):142-56.PMID: 16255383 [PubMed - indexed for MEDLINE]Related articles

Comparative analysis of tobacco-specific nitrosamines and total N-nitroso compounds in moldovan cigarette tobacco.

Stepanov I, Hecht SS, Mirvish SS, Gonta M.

J Agric Food Chem. 2005 Oct 5;53(20):8082-6.PMID: 16190674 [PubMed - indexed for MEDLINE]Related articles

Tobacco-specific nitrosamines and their pyridine-N-glucuronides in the urine of smokers and smokeless tobacco users.

Stepanov I, Hecht SS.

Cancer Epidemiol Biomarkers Prev. 2005 Apr;14(4):885-91.PMID: 15824160 [PubMed - indexed for MEDLINE]Related articlesFree article

Tobacco-specific nitrosamines in smokeless tobacco products marketed in India.

Stepanov I, Hecht SS, Ramakrishnan S, Gupta PC.

Int J Cancer. 2005 Aug 10;116(1):16-9.PMID: 15756678 [PubMed - indexed for MEDLINE]Related articles

[Prophylactics of postoperative complications in destructive appendicitis and typhlitis]

Vlasov AP, Saraev VV, Okunev NA, Stepanov IuP.

Vestn Khir Im I I Grek. 2004;163(5):60-4. Russian. PMID: 15651697 [PubMed - indexed for MEDLINE]Related articles

[Electrosurgical technology of the closed type in the treatment of ulcer disease]

Vlasov AP, Saraev VV, Trofimov VA, Stepanov IuP.

Khirurgiia (Mosk). 2004;(10):14-9. Russian. PMID: 15477819 [PubMed - indexed for MEDLINE]Related articles

[Antiphospholipid syndrome and multiple sclerosis: differential-diagnostic aspects]

Spirin NN, Pizova NV, Stepanov IO.

Zh Nevrol Psikhiatr Im S S Korsakova. 2002;Suppl:42-5. Russian. PMID: 12418391 [PubMed - indexed for MEDLINE]Related articles

Analysis of tobacco-specific nitrosamines in Moldovan cigarette tobacco.

Stepanov I, Carmella SG, Hecht SS, Duca G.

J Agric Food Chem. 2002 May 8;50(10):2793-7.PMID: 11982401 [PubMed - indexed for MEDLINE]Related articles

[Insulating polymeric film in comprehensive prevention of complications of mandibular fractures]

Korotkikh NG, Sidorenko AF, Lazutikov OV, Stepanov IV.

Stomatologiia (Mosk). 2001;80(5):22-5. Russian. PMID: 11696946 [PubMed - indexed for MEDLINE]Related articles

[Role of estrogen receptors in apoptosis and mitotic disorders in patients with atrophic gastritis presenting with precancerous changes of the gastric mucosa]

Stepanov IuM, Hrytsenko II.

Lik Sprava. 2001 May-Jun;(3):30-3. Ukrainian. PMID: 11560021 [PubMed - indexed for MEDLINE]Related articles

[Helicobacter pylori infection as a cause of hypergastrinemia]

Stepanov IuM.

Lik Sprava. 2001 Mar-Apr;(2):81-3. Ukrainian. PMID: 11519439 [PubMed - indexed for MEDLINE]Related articles

[Level of group E prostaglandins in gastric mucosa of patients with various forms of chronic gastritis]

Stepanov IuM, Gritsenko II.

Ukr Biokhim Zh. 2000 May-Jun;72(3):87-90. Russian. PMID: 11200482 [PubMed - indexed for MEDLINE]Related articles

[Effect of the population density on growth and regeneration in the snail Achatina fulica]

Sidel'nikov AP, Stepanov II.

Izv Akad Nauk Ser Biol. 2000 Sep-Oct;(5):525-32. Russian. PMID: 11042956 [PubMed - indexed for MEDLINE]Related articles

Characteristics of cholinoreceptors on identified TAN neurons of the ground snail Achatina fulica.

Stepanov II, Losev NA.

Neurosci Behav Physiol. 2000 Sep-Oct;30(5):559-63.PMID: 11037148 [PubMed - indexed for MEDLINE]Related articles

[The morphological characteristics of apoptosis and mitotic activity of the gastric epitheliocytes in patients with nonatrophic and atrophic forms of chronic gastritis]

Stepanov IuM.

Lik Sprava. 2000 Jul-Aug;(5):39-42. Russian. PMID: 11031446 [PubMed - indexed for MEDLINE]Related articles

[Prostaglandins E in tumor tissue from patients with stomach cancer]

Stepanov IuM.

Ukr Biokhim Zh. 1999 May-Jun;71(3):108-11. Russian. PMID: 10609335 [PubMed - indexed for MEDLINE]Related articles

[Qualitative and quantitative characteristics of estrogen receptors in patients with atrophic gastritis and stomach cancer]

Stepanov IuM, Kushlinskiĭ NE.

Ukr Biokhim Zh. 1999 Mar-Apr;71(2):86-90. Russian. PMID: 10609310 [PubMed - indexed for MEDLINE]Related articles

[The embryo-protective action of antifein derivatives in chloridin-induced teratogenesis]

Bichevaia NK, Chebotar' NA, Aleksandrova IIa, Stepanov II, Klement'ev BI, Sapronov NS.

Ontogenez. 1999 Jul-Aug;30(4):302-6. Russian. PMID: 10519132 [PubMed - indexed for MEDLINE]Related articles

[The characteristics of the cholinoreceptors on the identified TAN neuron of the giant African snail Achatina fulica]

Stepanov II, Losev NA.

Ross Fiziol Zh Im I M Sechenova. 1999 Apr;85(4):568-74. Russian. PMID: 10513392 [PubMed - indexed for MEDLINE]Related articles

[Estrogen receptors and stomach cancer (a review of the literature and the author's own studies)]

Stepanov IuM.

Lik Sprava. 1999 Jun;(4):33-7. Review. Russian. No abstract available. PMID: 10476637 [PubMed - indexed for MEDLINE]Related articles

[Membrane lipids of brush border of the rat small intestine as affected by ionizing radiation]

Stepanova LI, Stepanov IuV, Voĭtsits'kyĭ VM, Kucherenko ME.

Ukr Biokhim Zh. 1999 Jan-Feb;71(1):48-52. Ukrainian. PMID: 10457990 [PubMed - indexed for MEDLINE]Related articles

[The isolation and determination of different narcotic and drug substances after the acid hydrolysis of biological material. (1)]

Bartsev AI, Voronova NV, Koshelev AS, Krasilova EV, Mednikov VM, Nikolaeva OO, Rodionova VS, Salomatin EM, Simonova NS, Stepanov IuV.

Sud Med Ekspert. 1998 Nov-Dec;41(6):26-7. Russian. PMID: 9989171 [PubMed - indexed for MEDLINE]Related articles