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IGF-1/PI3K/AKT/FOXO signaling pathway as a possible pharmacological target in testosterone-induced benign prostatic hyperplasia in rats (PO.3.4.2) /

Nyera Hamdy Ibrahim,

IGF-1/PI3K/AKT/FOXO signaling pathway as a possible pharmacological target in testosterone-induced benign prostatic hyperplasia in rats (PO.3.4.2) / / كهدف دوائي محتمل في تضخم البروستاتا الحميد المحدث بهرمون التستوستيرون في الجرذان IGF-1 / PI3K / AKT / FOXOمسار إشارات by Nyera Hamdy Ibrahim ; Supervision of Dr. Rabab Hamed Sayed, Dr. Esraa Abd El-Aziz Kandil, Dr. Mai Amin Kamel. - 120 pages : illustrations ; 25 cm. + CD.

Thesis (M.Sc.)-Cairo University, 2023.

Bibliography: pages 106-120.

Benign prostatic hyperplasia (BPH) is a common disease in elder men that has a major impact on their quality of life, it is distinguished by non-malignant enlargement of prostate cells leading to various lower urinary tract symptoms. BPH pathogenesis includes oxidative stress, apoptosis, androgens receptors signaling pathways and alternations in insulin growth factor (IGF) pathway. Regulating IGF-1/PI3K/AKT/FOXO signaling in addition to modulating apoptosis as well as oxidative stress can possibly protect cells from the elevated proliferation. Along with statins and nonsteroidal anti-inflammatory drugs (NSAIDs) common uses, they also possess anti-oxidant, anti-inflammatory and anti-tumor effects. The current study aims to determine simvastatin as well as piroxicam therapeutic effect on testosterone-induced BPH. Rats were randomly divided into six groups with 9 rats each. The control group received olive oil subcutaneously and distilled water orally for 30 consecutive days. The second group which was BPH-induced group received (3 mg/kg) testosterone enanthate dissolved in olive oil subcutaneously. Third group received simvastatin (20 mg/kg, p.o.) dissolved in distilled water. Fourth group received piroxicam (4 mg/kg, p.o.) dissolved in distilled water. Fifth group which is BPH-induced treated group received both simvastatin and testosterone and sixth group received both piroxicam and testosterone. Testosterone markedly elevated severity of histopathological alterations in prostate tissues, prostate index and 5-alpa reductase (5AR) enzyme level whereas simvastatin as well as piroxicam treatment significantly decreased them. Similarly, testosterone up-regulated IGF-1/PI3K/AKT signaling pathway while down-regulated FOXO transcription factor. Furthermore it reduced apoptotic markers level in prostatic tissue while it increased anti-apoptotic marker level. Additionally, it attenuated reduced glutathione (GSH) levels and superoxide dismutase (SOD) activity. Simvastatin as well as piroxicam treatment significantly reversed testosterone's effect on prostatic tissues. In conclusion, this study indicates that simvastatin and piroxicam are potential treatments for BPH which may be allocated to their impact on IGF-1/PI3K/AKT/FOXO signaling pathway along with their anti-oxidant and apoptotic impact on prostatic tissues. تضخم البروستاتا الحميد هو مرض شائع لدى كبار السن وله تأثير كبير على نوعية حياتهم ، ويتميز بتضخم غير خبيث لخلايا البروستاتا مما يؤدي إلى أعراض مختلفة في المسالك البولية السفلية . هناك العديد من العوامل التي تسبب تضخم البروستاتا الحميد مثل الإجهاد التأكسدي ، وموت الخلايا المبرمج ، ومستقبلات الأندروجين والتغيرات في مسار عامل النمو المشابه للإنسولين IGF. تنظيم إشارات IGF-1 / PI3K / AKT / FOXO بالإضافة إلى تعديل موت الخلايا المبرمج وكذلك الإجهاد التأكسدي يمكن أن يحمي الخلايا من الانتشار.
إلى جانب الاستخدامات الشائعة للستاتين كدواء مخفض للكوليسترول واستخدام أدوية مضادات الالتهاب غير الستيروئيدية لعلاج الالتهابات الشديدة و تسكين الألم ، فإن تلك الأدوية تمتلك أيضًا تأثيرات مضادة للأكسدة ومضادة للأورام , بالاضافة لذلك أنها يمكن أن يكون لهم تأثيرعلى مسار عامل النمو المشابه للإنسولين IGF.
الهدف من البحث
تهدف هذه الدراسة إلى التحقيق في الآثار العلاجية للـسيمفاستاتين و البيروكسيكام في نموذج تضخم البروستاتا الحميد االمحدث بهرمون التستوستيرون في الجرذان عن طريق دراسة تأثير تعديل مسار إشارات IGF-1 / PI3K / AKT / FOXO الذي يتم بواسطة هذا الدواء.




Text in English and abstract in Arabic & English.


Durgs

Benign prostatic hyperplasia Simvastatin Piroxicam IGF-1 PI3K AKT FOXO

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