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liucan9933

Ìú³æ (СÓÐÃûÆø)

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Ferula vesceritensis is a plant that is used in the traditional medicine in Algeria.
Chromatographic investigation of the methylene chloride/methanol extract of the
aerial parts of F. vesceritensis afforded a crystal carotene sesquiterpene designed
lapiferin (10-acetoxy-6-angeloyloxy-8,9-epoxy-trans-caxotan-4-ol) for the
first time from this species. The structure was determined by comprehensive NMR
studies, including DEPT, COSY, NOE, HMQC, HMBC and HRMS, and X-ray
data of lapiferin. We report here for the first time the isolation of lapiferin from
F. vesceritensis as a new natural source, and we additionally report the first X-ray
data for lapiferin. We also report for the first time the specific anti-cancer activity
of lapiferin against human breast cancer cells (MCF-7), which is due to apoptosis
and not necrosis. Moreover, we have identified for the first time the cell death
pathway induced by lapiferin in human breast cancer cells, and also that lapiferin
evokes multiple consequences that trigger apoptotic cell death, involving the
enhancement of DNA fragmentation, the activation of caspases and the induction
of histone acetylation inMCF-7 cells. In conclusion, we record here F. vesceritensis
as a new natural source of lapiferin and its first X-ray analysis, and the promising
specific anti-cancer activity against human breast cancer of lapiferin and
accordingly F. vesceritensis extract.
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songe0310

ľ³æ (ÖøÃûдÊÖ)

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°®ÓëÓêÏÂ(½ð±Ò+1): 2011-11-24 09:16:39
sltmac(½ð±Ò+2, ·­ÒëEPI+1): 2011-12-02 09:19:29
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3Â¥2011-11-23 21:17:51
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13599388598

½ð³æ (ÕýʽдÊÖ)

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°®ÓëÓêÏÂ(½ð±Ò+1): 2011-11-23 15:59:52
sltmac(½ð±Ò+3): 2011-12-02 09:19:23
Ferula vesceritensis ÊÇÒ»ÖÖ°¢¶û¼°ÀûÑÇÈËʹÓõIJÝÒ©¡£¶ÔF.vesceritensis µÄµØÉϲ¿·ÖµÄ¶þÂȼ×Íé/¼×´¼³éÌáÎïµÄÉ«Æ×·ÖÎöµÃµ½Ò»ÖÖ¾§Ìå×´ºúÂܲ·Ëر¶°ëÝÆÏ©£¬½«ÆäÃüÃûΪlapiferin (10-acetoxy-6-angeloyloxy-8,9-epoxy-trans-caxotan-4-ol)£¬ÕâÊÇÊ״δÓÕâÖÖÖ²ÎïµÃµ½ÕâÖÖÎïÖÊ¡£Ó÷ºNMRÑо¿°üÀ¨DEPT, COSY, NOE, HMQC, HMBC and HRMS, and X-ray·½·¨À´Ñо¿lapiferinµÄ½á¹¹¡£ÎÒÃÇÊ״ᨵÀÁË´ÓF.vesceritensis ·ÖÀëµÃµ½µÄlapiferin£¬²¢ÇÒÎÒÃÇ»¹±¨µÀÁËlapiferinµÄX-rayÊý¾Ý¡£ÎÒÃÇÒ²±¨µÀÁË lapiferin¶ÔÓÚÈéÏÙ°©Ï¸°û£¨MCF-7£©µÄÓëµòÍöºÍ²»»µËÀÏà¹ØµÄ¿¹°©×÷Ó᣶øÇÒÎÒÃÇ·¢ÏÖÁË lapiferinµ¼ÖÂϸ°ûËÀÍöµÄ;¾¶£¬¶øÇÒ lapiferinµ¼Ö¶à¸ö½á¹û£º´¥·¢Ï¸°û»µËÀ£¬Ôö¼ÓDNAË鯬£¬ÐźŴ«µ¼¼¤»îºÍÓÕµ¼MCF-7ϸ°ûÖеÄ×é°±ËáÒÒõ£»¯¡£×ÜÖ®ÎÒÃDZ¨µÀÁËF.vesceritensis µÄlapiferin×÷ΪһÖÖеÄ×ÔÈ»×ÊÔ´£¬ËüµÄX-ray·ÖÎö£¬´Ó F. vesceritensisÖÐÌáÈ¡µÄlapiferinÌØÓеľßÓÐǰ;µÄ¿¹ÈéÏÙ°©µÄ×÷Óá£
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