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Дом / Новости / Reishi compounds eliminate quiescent slow-cycling cells

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Основан в 2009, Технология GanoHerb (Фуцзянь) Корпорация, унаследовала видение нашей материнской компании Fujian Xianzhilou Biological Science and Technology Co., ООО, который передал тысячелетнюю культуру здоровья и способствовал благополучию всех.

Reishi compounds eliminate quiescent slow-cycling cells

January 13, 2017 / Fujian Medical University, the University of Arizona, etc. / “Oncotarget”

Text/Wu Tingyao

Many cancer patients who have gone through untold hardships in treatment are wondering why a tumor that they feel has been “cured” will relapse again after a long period of silence. The crux lies in cancer stem cells.

In the face of numerous drug attacks, some cancer stem cells will enter a dormant state and stop cell division in order to survive. This is one of the reasons why drugs that “attack rapidly proliferating cells as targets” cannot kill this group of tumor stem cells. Malignant tumors leave behind a resurgence of “seeds” only to find a chance to fight again someday.

Поэтому, as long as this group of dormant tumor stem cells can be “awakened” and allowed to re-enter a fast-dividing proliferation state, there is a chance to kill them with existing drugs.

A team led by Professor Jian-Hua Xu from the College of Pharmacy of Fujian Medical University and the University of Arizona jointly published a study on “Oncotarget” in January 2017 pointing out thatГанодерма яркая (Линчжи, Гриб Рейши) sterols and triterpenes can play an anti-tumor role by reducing the quiescence depth of cancer cells.

The researchers isolated two natural active components from the ethanol extract ofГанодерма яркая fruiting bodies: ergosterol peroxide and ganodermanondiol.

Molecular formula and chemical structure of ergosterol peroxide and ganodermanondiol(Source/Oncotarget. 2017 Jan 13. дои: 10.18632/oncotarget.14634.)

Experiments have found that they can not only effectively inhibit rapidly proliferating cancer cells and reduce their survival rate but also induce quiescent, slow-cycling cells to apoptosis. Their cytotoxic effect against the latter is even better than that of chemotherapeutics such as Doxorubicin, Paclitaxel and Topotecan.

Why did this happen? It turns out that the Rb-E2F molecule in the quiescent cells will be activated by these twoГанодерма яркая components. It is a switch that determines whether a cell divides or not. When its activity increases, the quiescent state of the cell will change from deep to shallow ── The cell seems to be pulled from the original deep sleep to the light sleep. As long as it is stimulated slightly, it is easy to be “woke up” and reproduce vigorously again (as shown in the following figure).

HowГанодерма яркая breaks the dormant state of cancer cells

Dormant cancer cells, after being treated withГанодерма яркая sterols or triterpenes, their quiescent depth (stop or slow down cell division) will become shallower, and they are easy to return to a state of rapid proliferation due to some stimuli. В это время, they are hard to escape the attack of drugs that target rapidly proliferating cells (Source/Oncotarget. 2017 Jan 13. дои: 10.18632/oncotarget.14634.)

The experiment of treating quiescent breast cancer cells (MCF-7) and normal breast cells (MCF-10A) with ergosterol peroxide or ganodermanondiol showed that at the same dose (20 μg/mL),  the number of quiescent breast cancer cells will be preferentially reduced by half compared to normal cells (in a relatively short period of time), indicating that the quiescent state of cancer cells is not as stable as that of normal cells, so these two Lingzhi components will break through the blockade earlier (as shown below).

The difference in activity between normal and cancer cells

The most important feature of cancer cells is that they can proliferate indefinitely. Поэтому, even in the quiescent stage of “slowing down or stopping cell division”, the quiescent depth of cancer cells (as shown on the right) is still shallower than that of normal cells (as shown on the left), so they are more easily to be awakened from dormancy by Reishi mushroom sterols and triterpenes. (Source/Oncotarget. 2017 Jan 13. дои: 10.18632/oncotarget.14634.)

We already know thatГанодерма яркая polysaccharides can enhance immunity whileГанодерма яркая triterpenes can inhibit tumor cell proliferation. The results of this research show thatГанодерма яркая sterols andГанодерма яркая triterpenes can also activate dormant tumor cells (usually tumor stem cells), which helps chemotherapeutics eliminate tumor cells and reduce the chance of tumor recurrence.

So doesГанодерма яркая rely on only one active component to inhibit tumorsГанодерма яркая with complete components can fight tumors in a multi-pronged way; only the multi-pronged anti-tumor way can minimize the vitality of tumor cells.

[Источник] Dai J, et al. Elimination of quiescent slow-cycling cells via reducing quiescence depth by natural compounds purified from Ganoderma lucidum. Oncotarget. 2017 Jan 13. дои: 10.18632/oncotarget.14634.

КОНЕЦ

Об авторе/ г-жа. У Тинъяо
У Тинъяо сообщает информацию из первых рук о Ганодерма с тех пор. 1999. Она является автором Лечение с помощью Ганодерма (опубликовано в Народном медицинском издательстве в апреле 2017).

★ Статья публикуется с исключительного разрешения автора..

★ Воспроизведение вышеуказанных работ не допускается., извлечены или использованы иным образом без разрешения автора.

★ За нарушение вышеуказанного заявления, автор будет нести соответствующую юридическую ответственность.

★ Оригинальный текст этой статьи был написан на китайском языке У Тинъяо и переведен на английский Альфредом Лю.. Если есть расхождения в переводе (English) и оригинал (китайский), оригинальный китайский будет иметь преимущественную силу. Если у читателей возникнут вопросы, пожалуйста, свяжитесь с первоначальным автором, РС. У Тинъяо.

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