Ultrasound-guided RNA interference targeting HIF-1 alpha improves the effects of transarterial chemoembolization in rat liver tumors

To investigate whether ultrasound-guided RNA interference (RNAi) targeting hypoxia-inducible factor-1alpha (HIF-1α) can enhance the efficacy of transarterial chemoembolization (TACE) in treating hepatocellular carcinoma. Rats with orthotopic hepatocellular carcinoma were randomized to four groups an...

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Veröffentlicht in:OncoTargets and therapy 2015-01, Vol.8, p.3539-3548
Hauptverfasser: Chen, Cheng-Shi, Zhao, Qing, Qian, Sheng, Li, Hai-Liang, Guo, Chen-Yang, Zhang, Wei, Yan, Zhi-Ping, Liu, Rong, Wang, Jian-Hua
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container_title OncoTargets and therapy
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creator Chen, Cheng-Shi
Zhao, Qing
Qian, Sheng
Li, Hai-Liang
Guo, Chen-Yang
Zhang, Wei
Yan, Zhi-Ping
Liu, Rong
Wang, Jian-Hua
description To investigate whether ultrasound-guided RNA interference (RNAi) targeting hypoxia-inducible factor-1alpha (HIF-1α) can enhance the efficacy of transarterial chemoembolization (TACE) in treating hepatocellular carcinoma. Rats with orthotopic hepatocellular carcinoma were randomized to four groups and treated as follows: 1) control; 2) siHIF-1α; 3) TACE; 4) siHIF-1α+TACE. Lentivirus (4×10(8) transfection units) with or without small interfering RNA (siRNA) expression in 0.6 mL transduction reagent was injected into tumors using a standard 1 mL syringe under ultrasonic guidance. In the siHIF-1α+TACE and siHIF-1α groups, rats received siRNA-expressing lentivirus; the rats in the TACE and control groups received lentivirus without siRNA. TACE was performed by placing a microcatheter into the gastroduodenal artery. The median survival time, body weight, and tumor volume of the siHIF-1α+TACE group were better than those of the TACE, siHIF-1α, and control groups. A comparative analysis of the different treatment groups demonstrated that HIF-1α RNAi could downregulate the levels of HIF-1α and VEGF, inhibit tumor angiogenesis, and lessen metastases; all of these effects were enhanced by TACE. HIF-1α RNAi, which was administered in vivo in liver tumors under ultrasound guidance, improved the efficacy of TACE in treating hepatocellular carcinoma in an animal model.
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HIF-1α RNAi, which was administered in vivo in liver tumors under ultrasound guidance, improved the efficacy of TACE in treating hepatocellular carcinoma in an animal model.</abstract><cop>New Zealand</cop><pub>Dove Medical Press Limited</pub><pmid>26664137</pmid><doi>10.2147/OTT.S94800</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record>
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source Taylor & Francis Open Access; DOVE Medical Press Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central Open Access; PubMed Central
subjects Angiogenesis
Apoptosis
Cancer therapies
Care and treatment
Experiments
Gene expression
Gene therapy
Genetic aspects
Hepatoma
Hypoxia
Laboratories
Liver cancer
Medical prognosis
Medical research
Metabolism
Metastasis
Methods
Original Research
Patient outcomes
Properties
Radiation therapy
Studies
Therapeutic chemoembolization
Transcription factors
Tumors
Ultrasonic imaging
Vectors (Biology)
Veins & arteries
title Ultrasound-guided RNA interference targeting HIF-1 alpha improves the effects of transarterial chemoembolization in rat liver tumors
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