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Synergistic Antiproliferative Effects of Combined γ-Tocotrienol and PPARγ Antagonist Treatment Are Mediated through PPARγ-Independent Mechanisms in Breast Cancer Cells
المؤلفون المشاركون
Malaviya, Abhita
Sylvester, Paul W.
المصدر
العدد
المجلد 2014، العدد 2014 (31 ديسمبر/كانون الأول 2014)، ص ص. 1-18، 18ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2014-03-04
دولة النشر
مصر
عدد الصفحات
18
التخصصات الرئيسية
الملخص EN
Previous findings showed that the anticancer effects of combined γ-tocotrienol and peroxisome proliferator activated receptor γ (PPARγ) antagonist treatment caused a large reduction in PPARγ expression.
However, other studies suggest that the antiproliferative effects of γ-tocotrienol and/or PPARγ antagonists are mediated, at least in part, through PPARγ-independent mechanism(s).
Studies were conducted to characterize the role of PPARγ in mediating the effects of combined treatment of γ-tocotrienol with PPARγ agonists or antagonists on the growth of PPARγ negative +SA mammary cells and PPARγ-positive and PPARγ-silenced MCF-7 and MDA-MB-231 breast cancer cells.
Combined treatment of γ-tocotrienol with PPARγ antagonist decreased, while combined treatment of γ-tocotrienol with PPARγ agonist increased, growth of all cancer cells.
However, treatment with high doses of 15d-PGJ2, an endogenous natural ligand for PPARγ, had no effect on cancer cell growth.
Western blot and qRT-PCR studies showed that the growth inhibitory effects of combined γ-tocotrienol and PPARγ antagonist treatment decreased cyclooxygenase (COX-2), prostaglandin synthase (PGDS), and prostaglandin D2 (PGD2) synthesis.
In conclusion, the anticancer effects of combined γ-tocotrienol and PPARγ antagonists treatment in PPARγ negative/silenced breast cancer cells are mediated through PPARγ-independent mechanisms that are associated with a downregulation in COX-2, PGDS, and PGD2 synthesis.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Malaviya, Abhita& Sylvester, Paul W.. 2014. Synergistic Antiproliferative Effects of Combined γ-Tocotrienol and PPARγ Antagonist Treatment Are Mediated through PPARγ-Independent Mechanisms in Breast Cancer Cells. PPAR Research،Vol. 2014, no. 2014, pp.1-18.
https://search.emarefa.net/detail/BIM-1047275
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Malaviya, Abhita& Sylvester, Paul W.. Synergistic Antiproliferative Effects of Combined γ-Tocotrienol and PPARγ Antagonist Treatment Are Mediated through PPARγ-Independent Mechanisms in Breast Cancer Cells. PPAR Research No. 2014 (2014), pp.1-18.
https://search.emarefa.net/detail/BIM-1047275
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Malaviya, Abhita& Sylvester, Paul W.. Synergistic Antiproliferative Effects of Combined γ-Tocotrienol and PPARγ Antagonist Treatment Are Mediated through PPARγ-Independent Mechanisms in Breast Cancer Cells. PPAR Research. 2014. Vol. 2014, no. 2014, pp.1-18.
https://search.emarefa.net/detail/BIM-1047275
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1047275
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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