Abstract
The biological activity of natural and semisynthetic lupane triterpenoids is discussed in a two-part review. The first part is devoted to the pharmacological properties of natural lupane triterpenoids. Betulinic acid has proven to be the most effective antitumor agent among more than fifty natural lupanes.
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Semenov, A.A., Ocherk khimii prirodnykh soedinenii (Essay on the Chemistry of Natural Compounds), Novosibirsk: Nauka, 2000.
Uspekhi v izuchenii prirodnykh soedinenii (Advances in Studying Natural Compounds), Stonik, V.A., Ed., Vladivostok: Dals’nauka, 1999.
Ran, Xu., Fazio, G.C., and Matsuda, S.P.T., Phytochemistry, 2004, vol. 65, pp. 261–291.
Setzer, W.N. and Setzer, M.C., Mini Rev. Med. Chem., 2003, vol. 3, pp. 540–556.
Tolstikov, G.A., Baltina, L.A., Shuls’ts, E.E., and Pokrovskii, A.G., Rus. J. Bioorg. Chem., 1997, vol. 23, pp. 625–642.
Tolstikov, G.A., Shuls’ts, E.E., Baltina, L.A., and Tolstikova, T.G., Khim. Interesah Ustoich. Razvit., 1997, vol. 5, pp. 57–73.
Baltina, L.A., Current Med. Chem., 2003, vol. 10, pp. 155–171.
Irismetov, M.P., Dzhiembaev, B.Zh., Arystanova, T.A., and Baramkesova, G.T., Khimiya i primenenie glitsirrizinovoi kisloty i ee proizvodnykh (Chemistry and the Use of Glycyrrhisic Acid and Its Derivatives), Almaty, 2002.
Simonsen, I.L. and Ross, W.C.J., The Terpenes. V. 4, Cambridge: University Press, 1957, pp. 287–367.
Shon Le Bang, Kaplun, A.P., Shpilevskii, A.A., Andiya-Pravdivyi, Yu.E., Alekseeva S.G., Grigors’ev, V.B., and Shvets, V.N., Rus. J. Bioorg. Chem., 1998, vol. 24. pp. 700–705.
Pokhilo, N.D. and Uvarova, N.N., in Uspekhi v izuchenii prirodnykh soedinenii, Stonik, V.A., Ed. Vladivostok: Dals’nauka, 1999.
Tolstikov, G.A. and Goryaev, M.I., Kim Khya Ok, and Khegai, R.A., Zh. Prikl. Khim, 1967, vol. 40, pp. 920–922.
Weeler, J., Pharm. J., 1899, pp. 494–505.
Einznhamer, D.A. and Xu, Z.-Q., Drugs, 2004, vol. 7, pp. 359–373.
Dereu, N., Evers, M., Roujade, S., and Soler, F., Pat. Zayavka (France) 2 705 097, RZhKhim., 1996, no. 23, 23O73P.
DeClercq, E., Curr. Med. Chem., 2001, vol. 8, pp. 1543–1572.
Mitaine-Offer, A.C., Hornebeck, W., Sauvain, M., and Zeches-Hanrot, M., Planta Med., 2002, vol. 68, pp. 930–932.
Aratanechemuge, Y., Hibasami, H., Sanrin, K., Katsuzaki, H., Imai, K., and Komiya, T., Oncol. Rep., 2004, vol. 11, pp. 289–292.
Hata, K., Hori, K., and Takahashi, S., J. Biochem., 2003, vol. 134, pp. 441–445.
Mutai, C., Abatis, D., Vagias, C., Moreau, D., Roussakis, C., and Roussis, V., Phytochemistry, 2004, vol. 65, pp. 1159–1164.
Hata, K., Ishikawa, K., Hori, K., and Konishi, T., Biol. Pharm. Bull., 2000, vol. 23, pp. 962–966.
You, J.J., Nam, N.H., Kim, Y., Bae, K.H., and Ahn, B.Z., Phytother. Res., 2003, vol. 17, pp. 341–344.
Wada, S.I., Iida, A., and Tanaka, R., J. Nat. Prod., 2001, vol. 61, pp. 1545–1547.
Saleem, M., Afaq, F., Adhauri, V.M., and Mukhtar, H., Oncogene, 2004, vol. 23, pp. 5203–5214.
Sultana, S., Saleem, M., Sharma, S., and Khan, N., Indian J. Exp. Biol., 2003, vol. 41, pp. 827–831.
Shirwaikar, A., Setti, M., and Bommu, P., Indian J. Exp. Biol., 2004, vol. 42, pp. 686–690.
Malini, M.M., Lenin, M., and Varalakshmi, P., Pharmacol. Res., 2000, vol. 41, pp. 413–418.
Andrikopoulos, N.K., Kaliora, A.C., Assimopoulou, A.N., and Parageorgiou, V.P., Phytother. Res., 2003, vol. 17, pp. 501–507.
Saeed, M.A. and Sabir, A.W., J. Asian Nat. Prod. Res., 2003, vol. 5, pp. 35–41.
Ziegler, H.L., Staerk, D., Christensen, J., Hiviid, L., Hagerstrand, H., and Jaroszewski, J.W., Antimicrob. Agents Chemother., 2002, vol. 46, pp. 1441–1446.
Suksamrarn, A., Tanachatchairatana, T., and Kanokmedhakul, S., J. Ethnopharmacol., 2003, vol. 88, pp. 275–277.
Ziegler, H.L., Franzyk, H., Sairafianpour, M., Tabatabai, M., Tehrani, M.D., Bagherzadeh, K., Hagerstrand, H., Staerk, D., and Jaroszewsky, J.W., Bioorg. Med. Chem., 2004, vol. 12, pp. 119–127.
Hata, K., Hori, K., and Takahashi, S., J. Nat. Prod., 2002, vol. 65, pp. 645–648.
Nadureira, A.M., Ascenso, J.R., Valdeira, L., Duarte, A., Frade, J.P., Freitas, G., and Ferreira, M.J., Nat. Prod. Res., 2003, vol. 17, pp. 375–380.
Mutstafa, J., Anis, E., Ahmed, S., Anis, I., Ahmed, H., Malik, A., Shahzad-Ul-Hassan, S., and Choudhary, M, J. Nat. Prod., 2000, vol. 63, pp. 881–886.
Gao, H., Wu, L., Kuroyanagi, M., Harada, K., Kawahara, N., Nakane, T., Umehara, K., and Nakamura, Y., Chem. Pharm. Bull., 2003, vol. 51, pp. 1318–1321.
Chaturvedula, V.S.P., Schilling, J.K., Johnson, R.K., and Kingston, D.G.I., J. Nat. Prod., 2003, vol. 66, pp. 419–422.
Hwang, B.Y., Chai, H.-B., Kardono, L.B.S., Riswan, S., Farnsworth, N.R., Cordell, G.A., Pezzuto, J.M., and Kinghorn, A.D., Phytochemistry, 2003, vol. 62, pp. 197–201.
Akihisa, T., Tokuda, H., Ubiya, M., Suzuki, T., Enjo, F., Koike, K., Nikaido, T., and Nishino, H., Chem. Pharm. Bull., 2004, vol. 52, pp. 153–156.
Ramirez-Apan, A.A., Perez-Castorena, A.L., and De Vivar, A.R., Z. Naturforsch. (C), 2004, vol. 59, pp. 237–243.
Sturm, S., Gil, R.R., Chai, H.-B., Ngassapa, O.D., Santisuk, T., Reutrakul, V., Howe, A., Moss, M., Besterman, J.M., Yang, S.-L., Farthing, J.E., Tait, R.M., Lewis, J.A., Os’Neil, M.J., Farnsworth, N.R., Cordell, G.A., Pezzuto, J.M., and Kinghorn, A.D., J. Nat. Prod., 1996, vol. 59, pp. 658–663.
Ngassapa, O.D., Soejarto, D.D., Che, Ch.T., Pezzutto, J.M., and Farnsworth, N.R., J. Nat. Prod., 1991, vol. 54, pp. 1353–1359.
Wada, Sh.-S., Iida, A., and Tanaka, R., J. Nat. Prod., 2001, vol. 64, pp. 1545–1547.
Gao, H., Wu, L., Kuroyakagi, M., Harada, K., Kawahara, N., Nakane, T., Umehara, K., Hirasawa, A., and Nakamura, Y., Chem. Pharm. Bull., 2003, vol. 51, pp. 1318–1321.
Amor, E.C., Villasenor, I.M., Vasin, A., and Choudhary, M.I., Z. Naturforsch. (C), 2004, vol. 59, pp. 86–92.
Gong, Y., Luscombe, C., Gadawski, I., Cheung, D., Tam, T., and Sacks, S., Antiviral Res., 2003, vol. 57, p. A63.
Zhang, H.-J., Tan, G.T., Hoang, V.D., Hung, N.V., Cuong, N.M., Soejarta, D.D., Pezzuto, J.M., and Fong, H.U.-S., J. Nat. Prod., 2003, vol. 66, pp. 263–268.
Zdzisinska, B., Rzeski, W., Paduch, R., Szuster-Ciesielska, A., Kaczor, J., Wejksza, K., and Kaudefer-Szerszen, M., Polish J. Pharmacol., 2003, vol. 55, pp. 235–238.
Gu, J.Q., Wang, V., Franzblau, S.G., Montenegro, G., Yang, D., and Timmermann, B.N., Planta Med., 2004, vol. 70, pp. 509–514.
Wachter, G.A., Valcic, S., Flagg, M.L., and Timmermann, B.N., Phytomedicine, 1999, vol. 6, pp. 314–345.
Cichewicz, R.H. and Kouzi, S.A., Med. Res. Rev, 2004, vol. 24, pp. 90–114.
Baglin, I., Mitaine-Offer, A.-C., Nour, M., Tan, K., Cave, C., and Lacaille-Dubois, M.A., Mini Rev. Med. Chem., 2002, vol. 3, pp. 159–165.
Jasukawa, K., Takido, M., Matsumoto, T., Takeuchi, M., and Nakagawa, S., Oncology, 1991, vol. 48, pp. 72–76.
Pisha, E., Chai, H., Lee, I.S., Chagwedera, T.E., Farnsworth, N.R., Cordell, A.C., Beecher, C.W.W., Fong, H.H.S., Kinghorn, A.D., Brown, D.M., Wani, M.C., Wall, M.E., Hicken, T.Y., Das Gupta, T.K., and Pezzuto, J.M, Nat. Med., 1995, vol. 1, pp. 1046–1051.
Fulda, S., Jeremias, I., Steiner, H.H., Pietsch, T., and Debaltin, K.M., Int. J. Cancer, 1999, vol. 82, pp. 435–441.
Schmidt, M.L., Kuzmanoff, K.L., Ling-Indeck, L., and Pezzuto, J.M., Eur. J. Cancer, 1997, vol. 33, pp. 2007–2010.
Zuko, V., Supino, R., Righetti, S.C., Cleris, K., Marchesi, E., Gambacorti, C., and Formelli, F., Cancer Lett., 2002, vol. 175, pp. 17–25.
Fulda, S., Friesen, C., Los, M., Scaffidi, C., Mier, W., Benedict, M., Nunez, G., Krammer, P.H., Peter, M.E., and Debatin, K.M., Cancer Res., 1997, vol. 57, pp. 4956–4964.
Wick, W., Grimmel, C., Wagenknecht, B., Dichgans, J., and Weller, M., J. Pharmacol. Exp. Ther., 1999, vol. 289, pp. 1306–1312.
Raisova, M., Hossini, A.M., Eberie, J., Riebeling, C., Wieder, T., Sturm, I., Daniel, P.T., Orfanos, C.E., and Geilen, C.C., J. Invest. Dermatol., 2001, vol. 117, pp. 333–340.
Rieber, M. and Strasberg-Rieber, M., DNA Cell Biol., 1998, vol. 17, pp. 399–406.
Fulda, S., Scaffidi, C., Susin, S.A., Kramer, P.H., Kroemer, G., Peter, M.E., and Debatin, K.M., J. Biol. Chem., 1998, vol. 273, pp. 33 942–33 948.
Fulda, S., Susin, S.A., Kroemer, G., and Debaltin, K.M., Cancer Res., 1998, vol. 58, pp. 4453–4460.
Tan, Y., Yu, R., and Pezzuto, J., Clin. Cancer Res., 2003, vol. 9, pp. 2866–2875.
Thumher, D., Turhani, D., Wannemacher, B., Knerer, B., Formanek, M., Wacheck, V., and Selzer, E., Head Neck, 2003, vol. 25, pp. 732–740.
Noda, Y., Kaiya, T., Kohda, K., and Kawazoe, Y., Chem. Pharm. Bull., 1997, vol. 45, pp. 1665–1672.
Wahsberger, P.R., Burd, R., Wahl, M.L., and Leeper, D.B., Int. J. Hyperthermia, 2002, vol. 18, pp. 153–164.
Chowdhury, A.R., Mandal, S., Mitra, B., Sharma, S., Mukhopadhyay, S., and Majumder, H.K., Med. Sciences Monitor, 2002, vol. 8, pp. BR254–BR260.
Kwon, H.J., Shim, J.S., Kim, J.U., Cho, H.Y., Yun, Y.N., Kim, S.H., and Yu, J., Jap. J. Cancer Res., 2002, vol. 4, pp. 417–425.
Melzig, M.F. and Bormann, H., Planta Med., 1998, vol. 64, pp. 655–657.
Takada, Y. and Aggarwal, B., J. Immunol., 2003, vol. 171, pp. 3278–3286.
Basu, S., Ma, R., Boyle, P.J., Mikulla, B., Bradley, M., Smith, B., Basu, M., and Banerjee, S., Glycoconj. J., 2004, vol. 20, pp. 563–577.
Raghuvar, Gopal, D.V., Narkar, A.A., Badrinath, Y., Mishra, K.P., and Yoshi, D.S., Toxicol. Lett., 2004, vol. 153, pp. 201–212.
Sawada, N., Kataoka, K., Kondo, K., Arimochi, H., Fujino, H., Takahashi, Y., Miyoshi, T., Kuwahara, T., Monden, Y., and Ohnishi, Y., Br. J. Cancer, 2004, vol. 90, pp. 1672–1678.
Fulda, S., Jeremias, I., and Debatin, K.M., Oncogene, 2004, vol. 23, pp. 7611–7620.
Jeremias, I., Steiner, H.H., Benner, A., Debatin, K.M., and Herold-Mende, C., Acta Neurochir. (Wien) 2004, vol. 146, pp. 721–729.
Fujioka, T., Kashiwada, Y., Kilkuskie, R.E., Cosentino, L.M., Bailas, L.M., Jiang, J.M., Jansen, W.P., Chen, I.S., and Lee, K.H., J. Nat. Prod., 1994, vol. 57, pp. 243–247.
Huang, L., Yuan, X., Aiken, C., and Chen, C.H., Antimicrob. Agents Chemother., 2004, vol. 48, pp. 663–668.
Baltina, L.A., Flekhter, O.B., Nigmatullina, L.R., Boreko, E.I., Pavlova, N.I., Nikolaeva, S.N., Savinova, O.V., and Tolstikov, G.A., Bioorg. Med. Chem. Lett. 2003, vol. 13, pp. 3549–3552.
Boreko, E.I., Pavlova, N.I., Savinova, O.V., Nikolaeva, S.N., Flekhter, O.B., Ryzhova, N.S., and Nikandrov, V.N., Proc. Natl. Acad. Sci. Belarus, Ser. Med.-Biol. Sci., 2002, no. 3, pp. 86–91.
Pavlova, N.I., Savinova, O.U., Nikolaeva, S.N., Boreko, E.I., and Flekhter, O.B., Fitoterapia, 2003, vol. 74, pp. 489–492.
Nigmatullina, L.N., Synthesis of New Physiologically Active Substances on the Basis of Triterpenoids of Lupan Series, Cand. Sci. (Chem.) Dissertation, Ufa: IOKh UNTs RAN, 2002.
Seltzer, U.N., Zeltzer, M.C., Bates, R.B., and Jackes, B.R., Planta Med., 2000, vol. 66, pp. 176–180.
Woldemichael, G.M., Singh, M.P., Maiese, W.H., and Timmerman, B.N., Z. Naturforsch. C, 2003, vol. 58, pp. 70–75.
Nick, A., Wright, A.D., Rali, T., and Sticher, O., Phytochemistry, 1995, vol. 40, pp. 1691–1695.
Recio, M.C., Giner, R.M., Manez, S., Gueho, J., Julien, H.R., Hostettmann, K., and Rios, J.L., Planta Med., 1995, vol. 61, pp. 9–12.
Mukherjee, P.K., Saha, K., Das, J., Pal, M., and Saha, B.P., Planta Med., 1997, vol. 63, pp. 367–369.
Bernard, P., Scior, T., Didier, B., Hibert, M., and Berthon, J.Y., Phytochemistry, 2001, vol. 58, pp. 865–901.
Kinoshita, K., Yang, Y., Koyama, K., Takahashi, K., and Nishino, H., Phytomedicine, 1999, vol. 6, pp. 73–78.
Su, B.N., Cuendet, M., Farnsworth, N.R., Fong, H.H., Pezzuto, J.M., and Kinghom, A.D., Planta Med., 2002, vol. 68, pp. 1125–1128.
Yun, Y., Han, S., Park, E., Yim, D., Lee, S., Lee, C.K., Cho, K., and Kim, K., Arch. Pharm. Sci., 2003, vol. 26, pp. 1087–1095.
Channa, S., Dar, A., Yaqoob, M., Anjum, S., Sultani, Z., and Atta-Ur-Rahman, J. Ethnopharmacol., 2003, vol. 66, pp. 27–33.
Krogh, R., Kroth, R., Berti, C., Madeira, A.O., Souza, M.M., Cechinel-Filho, U., Delle-Monache, F., and Yunes, R.A., Pharmazie, 1999, vol. 54, pp. 464–469.
Ziegler, H.L., Franzyk, H., Sairafeanpour, M., Tabatabai, M., Tehrani, M.D., Bagherzaden, K., Hagerstrand, H., Stek, D., and Jaroszewski, J.W., Bioorg. Med. Chem., 2004, vol. 12, pp. 119–127.
Duker-Eshun, G., Jaroszewski, J.W., and Asomaning, W.A., Phytother. Res., 2004, vol. 18, pp. 128–133.
Enweren, N.M., Okogun, J.I., Wambebe, C.O., and Okorie, D.A., Phytomedicine, 2001, vol. 8, pp. 112–114.
Zhu, M., Phillipson, J.D., Greengross, P.M., and Bowery, N.G., Planta Med., 1996, vol. 62, pp. 393–398.
Shon Le Bang, Posypanova, G.A., Kolibaba, L.G., Symon, A.V., Andiya-Pravdivyi, Yu.E., Kaplun, A.P., Surkova, E., and Shvets, V.I., Voprosy Biol. Med. Farmatsev. Khimii, 2002, no. 4, pp. 31–34.
Symon, A.V., Kaplun, A.P., Vlasenkova, N.K., Gerasimova, G.K., Shon Le Bang, Litvin, E.F., Kozlova, L.M., Surkova, E.L., and Shvets, V.N., Rus. J. Bioorg. Chem., 2003, vol. 29, pp. 185–189.
Kim, D.S.H.L., Pezzuto, J.M., and Pisha, E., Bioorg. Med. Chem. Lett., 1998, vol. 8, pp. 1707–1712.
Lee, S.M., Min, B.S., Kim, K.S., and Kho, Y.H., Planta Med., 2003, vol. 69, pp. 1051–1054.
Akishisa, T., Takamine, Y., Yoshizumi, K., Tokuda, H., Kimura, Y., Ukiya, M., Nakahara, T., Yokoshi, T., Ichiishi, E., and Nishino, H., J. Nat. Prod., 2002, vol. 65, pp. 278–282.
Sorokina, I.V., Tolstikova, T.G., Zhukova, N.A., Petrenko, N.I., Shuls’ts, E.E., Uzenkova, N.V., Grek, O.R., Pozdnyakova, S.V., and Tolstikov, G.A., Dokl. Akad. Nauk, 2004, vol. 399, no. 2, p. 274 [Dokl. Biol. Sci. (Engl. Transl.), vol. 399, p. 434].
Sorokina, I.V., Tolstikova, T.G., Bubnova, E.B., Petrenko, N.I., and Shuls’ts, E.E., Nauchnyi Vestnik Tyumenskoi Med. Akad., 2003, no. 1, pp. 60–62.
Sorokina, I.V., Tolstikova, T.G., Bubnova, E.B., Petrenko, N.I., and Shuls’ts, E.E., Fundamentals’nye problemy farmakologii: Materialy 2-go ss’ezda Rossiiskogo nauchnogo obshchestva farmakologov (Fundamental Problems of Pharmacology: Materials of the 2nd Congress of Russian Scientific Society of Pharmacologists), Moscow, 2003, part 1, Moscow, 2003, p. 186.
Zhogols’, R.A., Motolova, T.I., Sharapov, I.V., Grek, O.R., Sharapov, V.I., Tolstikova, T.G., and Vlasova, I.V., Kompensatorno-prisposobitels’nye protsessy: fundamentals’nye, ekologicheskie i klinicheskie aspekty: Materialy Vserossiiskoi konferentsii (Compensatory and Adaptive Processes: Fundamental, Ecological, and Clinical Aspects, Materials of All-Russia Conference), Novosibirsk: Sibmedizdat, 2004, pp. 218–219.
Zhogols’, R.A., Motolova, T.N., Pozdnyakova, S.V., Tolstikova, T.G., Vlasova, I.V., Grek, O.R., and Sharapov, V.N., Meditsina i obrazovanie v XXI veke: Materialy konferentsii (Medicine and Education in XXI Century, Materials of Conference), Novosibirsk: Sibmedizdat, 2004, p. 58.
Ito, Y., Chang, F.-R., Wang, H.-K., Park, Y.K., Ikegaki, M., Kilgore, N., and Kim, K.-H., J. Nat. Prod., 2001, vol. 69, pp. 1278–1281.
Denisenko, M.V., Odinokova, L.E., Denisenko, V.A., and Uvarova, N.I., Khim. Prir. Soedin., 1991, no. 3, pp. 430–436.
Aplin, R.T., Chan Rosalind, P.K., and Halsall, T.G., J. Chem. Soc. (C), 1969, no. 17, pp. 2322–2327.
DeClercq, E., Chemotherapy of Human Immunodeficiency Virus Infection, New York: Wiley, 2000.
Liu, W.K., Ho, J.C., Cheung, F.W., Liu, B.P., Ye, W.C., and Che, C.T., Eur. J. Pharmacol., 2004, vol. 498, pp. 71–78.
Nguen, Q.C., Nguen, V.H., Santasiero, B.D., Menecar, A.D., Nguen, M.C., Soejarto, D.D., Pezzuto, J.M., Fong, H.H., and Tan, G.T., J. Nat. Prod., 2004, vol. 67, pp. 994–998.
Otsuka, H., Fujioka, Sh., Komiya, T., Goto, M., Hiramatsu, Y., and Fujimura, H., Chem. Pharm. Bull., 1981, vol. 29, pp. 3099–3104.
Ma, Zh.Z., Hano, Y., Nomura, T., and Chen, Y.-Y., J. Nat. Prod., 2000, vol. 63, pp. 390–392.
Shen, Y.-Ch., Prakash, V.S., Wang, L.-T., Chien, Ch.-T., and Hung, M.-Ch., J. Nat. Prod., 2002, vol. 65, pp. 1052–1055.
Adnyana, I.K., Tezuka, Y., Banskota, A.H., Xiong, Q., Tran, K.Q., and Kadota, Sh., J. Nat. Prod., 2000, vol. 63, pp. 496–500.
Adnyana, I.K., Tezuka, Y., Banskota, A.H., Tran, K.Q., and Kodota, Sh., Biol. Pharm. Bull., 2000, vol. 23, pp. 1328–1332.
Lee, S.S., Chen, W.C., Huang, C.F., and Su, Y., J. Nat. Prod., 1998, vol. 61, pp. 1343–1347.
Hodges, L.D., Kweifio-Okai, G., and Macrides, T.A., Molec. Cell Biochem., 2003, vol. 252, pp. 97–101.
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Original Russian Text © T.G. Tolstikova, I.V. Sorokina, G.A. Tolstikov, A.G. Tolstikov, O.B. Flekhter, 2006, published in Bioorganicheskaya a Khimiya, 2006, Vol. 32, No. 1, pp. 42–55.
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Tolstikova, T.G., Sorokina, I.V., Tolstikov, G.A. et al. Biological activity and pharmacological prospects of lupane terpenoids: I. natural lupane derivatives. Russ J Bioorg Chem 32, 37–49 (2006). https://doi.org/10.1134/S1068162006010031
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DOI: https://doi.org/10.1134/S1068162006010031