یافته های نوین در علوم زیستی

اثر عصاره های آبی و اتانولی ناز سفید بر سلول های سرطان معده و سرطان پستان انسان در شیشه

نویسندگان

کتایون میمندی
محمد مهدی یعقوبی

دانشگاه تحصیلات تکمیلی صنعتی کرمان

https://doi.org/10.29252/nbr.6.1.10
چکیده
در این تحقیق اثر سمّی عصاره­های آبی و اتانولی ناز سفید (Sedum album L.) بر دو سلول سرطان معده (AGS) و پستان (MCF-7) انسان بررسی شد. ناز سفید از روستای دلیر شهرستان چالوس نمونه­برداری شد و هشت غلظت مختلف از عصاره ­های آبی و اتانولی به ­مدت 48 ساعت بر سلول­ های سرطانی اعمال شد. اثر کشندگی و مهاری عصاره ­ها روی سلول­ ها به روش ­های MTT، BrdU و TUNEL بررسی شد. یافته ­ها نشان داد هر دو عصارۀ اثر وابسته به غلظتِ ضد تکثیر سلول و القای آپوپتوز دارند. نتایج MTT نشان داد سلول AGS نسبت به سلول MCF-7 متحمل کشندگی بیشتری شده بود و اثر عصارۀ اتانولی قوی­ تر از عصارۀ آبی بود. داده­ های روش BrdU نشان داد در بالاترین غلظت عصارۀ آبی، تکثیر سلول AGS به 50 درصد و تکثیر سلول MCF-7 به 43 درصد کاهش یافت. همچنین عصارۀ اتانولی در بالاترین غلظت، تکثیر دو سلول AGS و MCF-7 را به ترتیب به 75 درصد و 60 درصد کاهش داد. نتایج روش TUNEL نیز حاکی از آن بود که 52 درصد از سلول­ های AGS و 12درصد از سلول­های MCF-7 تحت تیمار با عصارۀ اتانولی دچار آپوپتوز شدند. عصارۀ آبی نیز در دو سلول فوق به ­ترتیب 28 درصد و 25 درصد آپوپتوز القا کرد. هم مهار تکثیر سلول و هم القای مرگ، از راهکارهای مطلوب محققان در درمان سرطان هستند. شناسایی ترکیبات موجود در ناز سفید و بررسی اثر آنها در مدل­ های حیوانی سرطان می­ تواند به درک بیشتر خواص ضد سرطانی این گیاه کمک کند.





کلیدواژه‌ها

آپوپتوز
تکثیر سلول
تیرۀ گل­ نازیان
کوئرستین
گیاهان ضد سرطان

عنوان مقاله English

The effect of aqueous and ethanolic extracts of Sedum album L. on human stomach and breast carcinoma cell lines in vitro

نویسندگان English

Katayoon Meimandi
Mohammad Mehdi Yaghoobi
Graduate University of Advanced Technology
چکیده English

In this study, the cytotoxic effects of aqueous and ethanolic extracts of Sedum album L. on human stomach cancer cell line (AGS) and breast cancer cell line (MCF-7) were evaluated by MTT, BrdU and TUNEL assays. The results demonstrated that both extracts had antiproliferative and apoptotic effects in a dose-dependent manner. The MTT assay data revealed that the AGS cell underwent more cytotoxicity in comparison with the MCF-7 cell. It also revealed that ethanolic extract was more potent than aqueous extract. The BrdU assay results showed that the proliferation of AGS and MCF-7 cells was reduced to 50% and 43%, respectively, at the highest concentration of the aqueous extract. In addition, the ethanolic extract reduced the proliferation of AGS and MCF-7 cells to 75% and 60%, respectively. The AGS and MCF-7 cells underwent 52% and 12% apoptotic death upon treatment by the ethanolic extract as TUNEL assay showed. The aqueous extract induced 28% and 25% apoptosis in the AGS and MCF-7 cells, respectively. Both inhibition of proliferation and induction of apoptosis are desirable strategies for cancer treatment among researchers. Identification of S. album compounds and analyzing their effects in animal model of cancer can help us with understanding its anti-cancer properties.




کلیدواژه‌ها English

anticancer plants
Apoptosis
cell proliferation
Crassulaceae
quercetin
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  • تاریخ دریافت 18 خرداد 1405
  • تاریخ انتشار 18 خرداد 1405

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