Identification of anti-proliferative kinase inhibitors as potential therapeutic agents to treat canine osteosarcoma

Osteosarcoma is the most common primary bone tumour in dogs but various forms of therapy have not significantly improved clinical outcomes. As dysregulation of kinase activity is often present in tumours, kinases represent attractive molecular targets for cancer therapy. The purpose of this study wa...

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Main Authors: Mauchle, Ulrike, Selvarajah, Gayathri Thevi, Mol, Jan A., Kirpensteijn, Jolle, Verheije, Monique H.
Format: Article
Language:English
Published: Elsevier 2015
Online Access:http://psasir.upm.edu.my/id/eprint/37916/1/Identification%20of%20anti-proliferative%20kinase%20inhibitors%20as%20potential%20therapeutic%20agents%20to%20treat%20canine%20osteosarcoma.pdf
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author Mauchle, Ulrike
Selvarajah, Gayathri Thevi
Mol, Jan A.
Kirpensteijn, Jolle
Verheije, Monique H.
author_facet Mauchle, Ulrike
Selvarajah, Gayathri Thevi
Mol, Jan A.
Kirpensteijn, Jolle
Verheije, Monique H.
author_sort Mauchle, Ulrike
collection UPM
description Osteosarcoma is the most common primary bone tumour in dogs but various forms of therapy have not significantly improved clinical outcomes. As dysregulation of kinase activity is often present in tumours, kinases represent attractive molecular targets for cancer therapy. The purpose of this study was to identify novel compounds targeting kinases with the potential to induce cell death in a panel of canine osteosarcoma cell lines. The ability of 80 well-characterized kinase inhibitor compounds to inhibit the proliferation of four canine osteosarcoma cell lines was investigated in vitro. For those compounds with activity, the mechanism of action and capability to potentiate the activity of doxorubicin was further evaluated. The screening showed 22 different kinase inhibitors that induced significant anti-proliferative effects across the four canine osteosarcoma cell lines investigated. Four of these compounds (RO 31-8220, 5-iodotubercidin, BAY 11-7082 and an erbstatin analog) showed significant cell growth inhibitory effects across all cell lines in association with variable induction of apoptosis. RO 31-8220 and 5-iodotubercidin showed the highest ability to potentiate the effects of doxorubicin on cell viability. In conclusion, the present study identified several potent kinase inhibitors targeting the PKC, CK1, PKA, ErbB2, mTOR and NF-κB pathways, which may warrant further investigations for the treatment of osteosarcoma in dogs.
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spelling upm.eprints-379162015-12-29T09:43:02Z http://psasir.upm.edu.my/id/eprint/37916/ Identification of anti-proliferative kinase inhibitors as potential therapeutic agents to treat canine osteosarcoma Mauchle, Ulrike Selvarajah, Gayathri Thevi Mol, Jan A. Kirpensteijn, Jolle Verheije, Monique H. Osteosarcoma is the most common primary bone tumour in dogs but various forms of therapy have not significantly improved clinical outcomes. As dysregulation of kinase activity is often present in tumours, kinases represent attractive molecular targets for cancer therapy. The purpose of this study was to identify novel compounds targeting kinases with the potential to induce cell death in a panel of canine osteosarcoma cell lines. The ability of 80 well-characterized kinase inhibitor compounds to inhibit the proliferation of four canine osteosarcoma cell lines was investigated in vitro. For those compounds with activity, the mechanism of action and capability to potentiate the activity of doxorubicin was further evaluated. The screening showed 22 different kinase inhibitors that induced significant anti-proliferative effects across the four canine osteosarcoma cell lines investigated. Four of these compounds (RO 31-8220, 5-iodotubercidin, BAY 11-7082 and an erbstatin analog) showed significant cell growth inhibitory effects across all cell lines in association with variable induction of apoptosis. RO 31-8220 and 5-iodotubercidin showed the highest ability to potentiate the effects of doxorubicin on cell viability. In conclusion, the present study identified several potent kinase inhibitors targeting the PKC, CK1, PKA, ErbB2, mTOR and NF-κB pathways, which may warrant further investigations for the treatment of osteosarcoma in dogs. Elsevier 2015-08 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/37916/1/Identification%20of%20anti-proliferative%20kinase%20inhibitors%20as%20potential%20therapeutic%20agents%20to%20treat%20canine%20osteosarcoma.pdf Mauchle, Ulrike and Selvarajah, Gayathri Thevi and Mol, Jan A. and Kirpensteijn, Jolle and Verheije, Monique H. (2015) Identification of anti-proliferative kinase inhibitors as potential therapeutic agents to treat canine osteosarcoma. The Veterinary Journal, 205 (2). pp. 281-287. ISSN 1090-0233; ESSN: 1532-2971 http://www.sciencedirect.com/science/article/pii/S109002331400327X 10.1016/j.tvjl.2014.08.006
spellingShingle Mauchle, Ulrike
Selvarajah, Gayathri Thevi
Mol, Jan A.
Kirpensteijn, Jolle
Verheije, Monique H.
Identification of anti-proliferative kinase inhibitors as potential therapeutic agents to treat canine osteosarcoma
title Identification of anti-proliferative kinase inhibitors as potential therapeutic agents to treat canine osteosarcoma
title_full Identification of anti-proliferative kinase inhibitors as potential therapeutic agents to treat canine osteosarcoma
title_fullStr Identification of anti-proliferative kinase inhibitors as potential therapeutic agents to treat canine osteosarcoma
title_full_unstemmed Identification of anti-proliferative kinase inhibitors as potential therapeutic agents to treat canine osteosarcoma
title_short Identification of anti-proliferative kinase inhibitors as potential therapeutic agents to treat canine osteosarcoma
title_sort identification of anti proliferative kinase inhibitors as potential therapeutic agents to treat canine osteosarcoma
url http://psasir.upm.edu.my/id/eprint/37916/1/Identification%20of%20anti-proliferative%20kinase%20inhibitors%20as%20potential%20therapeutic%20agents%20to%20treat%20canine%20osteosarcoma.pdf
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