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癌 Cancer
#1
預防癌症知多少? (三藩市中信福音中心醫學講座) 粵語
https://www.youtube.com/watch?v=GdF7ystiL1A
[youtube]GdF7ystiL1A[/youtube]

身體自行摧毀癌細胞
美婦打血癌疫苗 奇蹟續命
http://hk.apple.nextmedia.com/internatio...3/19086318

血癌病人有新希望!科學家成功研發對付血癌症的新疫苗,不但可以讓癌病人的免疫系統成功追蹤癌細胞,令病人自行將癌細胞摧毀而痊癒;美國一位患原本僅餘下數周壽命的血癌病人,在接受疫苗後,癌細胞跌至無法檢測水平,至今延命三年,令人嘖嘖稱奇。

「我覺得這能夠改變遊戲規則。」美國紐約凱德琳癌症研究紀念中心研究員克內(Guenther Koehne)解釋,他們將捐贈者的骨髓分成幹細胞和T細胞,病人馬上接受幹細胞注射,但T細胞就在實驗室注入能夠追蹤癌細胞的WT1蛋白,再在數個月後,分階段射注入病人身上。

15病人試針 一半人仍在生

六十四歲平面設計師萊茜(Ruth Lacey)二○一二年白血病復發,她需接受密集式化療,令她經常處於昏迷狀態,醫生斷定她只剩幾星期命,幸她毅然答允做克內的首位病人,接受治療後,在鬼門關走出來。她當時接受弟弟捐贈的骨髓及分四次注射T細胞,她指起初康復進度緩慢,但其後癌細胞跌至無法檢測的水平,兩個月後「感覺持續良好」,並獲准出院。

萊茜至今仍活着,她並可以划獨木舟、蹓狗,「我仍在生是個神蹟」。克內在過去三年,先後為十五名僅餘下數個月壽命的白血病病人作這項治療,至今有一半人仍在生。

另外,英國倫敦大學亦進行類似的研究,但他們使用的方法毋須尋找捐贈者捐骨髓,比克內的治療法還要簡單。負責的莫里斯(Emma Morris)醫生解釋,她先抽取癌症病人的T細胞,再注入含WT1蛋白的脫氧核糖核酸(DNA)。

可望治療其他癌症

莫里斯為二十名患有急性骨髓性白血病(Acute myeloid leukemia)和慢性髓細胞性白血病(Chronic Myelogenous Leukemia)的病人進行治療,暫時只有一人注入基因改造的T細胞,其他病人就準備注射,暫未知道結果。

不過美國和英國的研究暫時只針對白血病病人,科學家希望新療法可以讓白血病人不再復發,並研發出萬用癌症疫苗來治療其他癌症,包括乳癌、腸癌和前列腺癌等。

[Image: a2101a.gif]
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Messages In This Thread
癌 Cancer - by KarlMarx - 03-23-2015, 03:23 PM
RE: 癌 Cancer - by 2A3 - 01-06-2024, 03:17 PM
RE: 癌 Cancer - by 2A3 - 01-06-2024, 03:17 PM
RE: 癌 Cancer - by 2A3 - 01-06-2024, 03:18 PM
RE: 癌 Cancer - by 2A3 - 01-06-2024, 03:18 PM
RE: 癌 Cancer - by 2A3 - 01-06-2024, 03:19 PM
RE: 癌 Cancer - by 2A3 - 01-06-2024, 03:20 PM
RE: 癌 Cancer - by hippies - 01-22-2024, 03:43 AM
RE: 癌 Cancer - by hippies - 01-22-2024, 03:43 AM
RE: 癌 Cancer - by Banff - 02-02-2024, 12:10 PM
RE: 癌 Cancer - by Banff - 02-11-2024, 04:16 PM
RE: 癌 Cancer - by 7days - 04-05-2024, 09:46 PM
RE: 癌 Cancer - by 7days - 04-14-2024, 11:25 AM
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