High Glucose Induces VEGF-C Expression via the LPA 1/3 -Akt-ROS-LEDGF Signaling Axis in Human Prostate Cancer PC-3 Cells

Yuan Li Huang, Yueh Chien Lin, Chu Cheng Lin, Wei Min Chen, Ping-chi B Chen, Hsinyu Lee

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Background/Aims: Hyperglycemia has been shown to increase the incidence and metastasis in various types of cancers. However, the correlation between hyperglycemia and lymphatic metastasis in prostate cancer (PCa) remains unclear. Our previous study demonstrated that lysophosphatidic acid (LPA) enhances vascular endothelial growth factor-C (VEGF-C) expression, a lymphangiogenic factor, through activating it receptors LPA 1/3 in prostate cancer (PCa) cells. Moreover, hyperglycemia up-regulates autotaxin (ATX) expression, a LPA-generating enzyme. Therefore, we propose that high glucose promotes VEGF-C expression through LPA signaling in PCa cells. Methods: Pharmacological inhibitors and siRNAs were utilized to investigate the molecular mechanism of high glucose-induced VEGF-C expression. Real-time PCR and Western blot were used to determine the mRNA and protein expressions, respectively. Cellular bioenergetics analysis was performed to determine the glycolysis levels. Results: We demonstrated that the expressions of VEGF-C, ATX, and calreticulin were increased upon high glucose treatments in PC-3 cells. Moreover, high glucose-induced VEGF-C expression was mediated through the LPA 1/3 , PLC, Akt, ROS and LEDGF-dependent pathways. Additionally, high glucose enhanced the aerobic glycolysis via LPA 1/3 . Conclusion: These results indicated that hyperglycemia leads to LPA synthesis, and subsequent promoting pathological consequence of PCa. These novel findings could potentially provide new strategies for PCa treatments.

Original languageEnglish (US)
Pages (from-to)612-628
Number of pages17
JournalCellular Physiology and Biochemistry
Volume50
Issue number2
DOIs
StatePublished - Oct 1 2018

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Vascular Endothelial Growth Factor C
Prostatic Neoplasms
Glucose
Hyperglycemia
Glycolysis
Lysophosphatidic Acid Receptors
Calreticulin
Lymphatic Metastasis
Energy Metabolism
lysophosphatidic acid
lens epithelium-derived growth factor
Real-Time Polymerase Chain Reaction
Up-Regulation
Western Blotting
Pharmacology
Neoplasm Metastasis
Messenger RNA
Incidence
Enzymes
Neoplasms

Keywords

  • Hyperglycemia
  • Lymphangiogenesis
  • Lysophosphatidic acid
  • Prostate cancer
  • Vascular endothelial growth factor-C

ASJC Scopus subject areas

  • Physiology

Cite this

High Glucose Induces VEGF-C Expression via the LPA 1/3 -Akt-ROS-LEDGF Signaling Axis in Human Prostate Cancer PC-3 Cells . / Huang, Yuan Li; Lin, Yueh Chien; Lin, Chu Cheng; Chen, Wei Min; Chen, Ping-chi B; Lee, Hsinyu.

In: Cellular Physiology and Biochemistry, Vol. 50, No. 2, 01.10.2018, p. 612-628.

Research output: Contribution to journalArticle

Huang, Yuan Li ; Lin, Yueh Chien ; Lin, Chu Cheng ; Chen, Wei Min ; Chen, Ping-chi B ; Lee, Hsinyu. / High Glucose Induces VEGF-C Expression via the LPA 1/3 -Akt-ROS-LEDGF Signaling Axis in Human Prostate Cancer PC-3 Cells In: Cellular Physiology and Biochemistry. 2018 ; Vol. 50, No. 2. pp. 612-628.
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abstract = "Background/Aims: Hyperglycemia has been shown to increase the incidence and metastasis in various types of cancers. However, the correlation between hyperglycemia and lymphatic metastasis in prostate cancer (PCa) remains unclear. Our previous study demonstrated that lysophosphatidic acid (LPA) enhances vascular endothelial growth factor-C (VEGF-C) expression, a lymphangiogenic factor, through activating it receptors LPA 1/3 in prostate cancer (PCa) cells. Moreover, hyperglycemia up-regulates autotaxin (ATX) expression, a LPA-generating enzyme. Therefore, we propose that high glucose promotes VEGF-C expression through LPA signaling in PCa cells. Methods: Pharmacological inhibitors and siRNAs were utilized to investigate the molecular mechanism of high glucose-induced VEGF-C expression. Real-time PCR and Western blot were used to determine the mRNA and protein expressions, respectively. Cellular bioenergetics analysis was performed to determine the glycolysis levels. Results: We demonstrated that the expressions of VEGF-C, ATX, and calreticulin were increased upon high glucose treatments in PC-3 cells. Moreover, high glucose-induced VEGF-C expression was mediated through the LPA 1/3 , PLC, Akt, ROS and LEDGF-dependent pathways. Additionally, high glucose enhanced the aerobic glycolysis via LPA 1/3 . Conclusion: These results indicated that hyperglycemia leads to LPA synthesis, and subsequent promoting pathological consequence of PCa. These novel findings could potentially provide new strategies for PCa treatments.",
keywords = "Hyperglycemia, Lymphangiogenesis, Lysophosphatidic acid, Prostate cancer, Vascular endothelial growth factor-C",
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AU - Chen, Ping-chi B

AU - Lee, Hsinyu

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N2 - Background/Aims: Hyperglycemia has been shown to increase the incidence and metastasis in various types of cancers. However, the correlation between hyperglycemia and lymphatic metastasis in prostate cancer (PCa) remains unclear. Our previous study demonstrated that lysophosphatidic acid (LPA) enhances vascular endothelial growth factor-C (VEGF-C) expression, a lymphangiogenic factor, through activating it receptors LPA 1/3 in prostate cancer (PCa) cells. Moreover, hyperglycemia up-regulates autotaxin (ATX) expression, a LPA-generating enzyme. Therefore, we propose that high glucose promotes VEGF-C expression through LPA signaling in PCa cells. Methods: Pharmacological inhibitors and siRNAs were utilized to investigate the molecular mechanism of high glucose-induced VEGF-C expression. Real-time PCR and Western blot were used to determine the mRNA and protein expressions, respectively. Cellular bioenergetics analysis was performed to determine the glycolysis levels. Results: We demonstrated that the expressions of VEGF-C, ATX, and calreticulin were increased upon high glucose treatments in PC-3 cells. Moreover, high glucose-induced VEGF-C expression was mediated through the LPA 1/3 , PLC, Akt, ROS and LEDGF-dependent pathways. Additionally, high glucose enhanced the aerobic glycolysis via LPA 1/3 . Conclusion: These results indicated that hyperglycemia leads to LPA synthesis, and subsequent promoting pathological consequence of PCa. These novel findings could potentially provide new strategies for PCa treatments.

AB - Background/Aims: Hyperglycemia has been shown to increase the incidence and metastasis in various types of cancers. However, the correlation between hyperglycemia and lymphatic metastasis in prostate cancer (PCa) remains unclear. Our previous study demonstrated that lysophosphatidic acid (LPA) enhances vascular endothelial growth factor-C (VEGF-C) expression, a lymphangiogenic factor, through activating it receptors LPA 1/3 in prostate cancer (PCa) cells. Moreover, hyperglycemia up-regulates autotaxin (ATX) expression, a LPA-generating enzyme. Therefore, we propose that high glucose promotes VEGF-C expression through LPA signaling in PCa cells. Methods: Pharmacological inhibitors and siRNAs were utilized to investigate the molecular mechanism of high glucose-induced VEGF-C expression. Real-time PCR and Western blot were used to determine the mRNA and protein expressions, respectively. Cellular bioenergetics analysis was performed to determine the glycolysis levels. Results: We demonstrated that the expressions of VEGF-C, ATX, and calreticulin were increased upon high glucose treatments in PC-3 cells. Moreover, high glucose-induced VEGF-C expression was mediated through the LPA 1/3 , PLC, Akt, ROS and LEDGF-dependent pathways. Additionally, high glucose enhanced the aerobic glycolysis via LPA 1/3 . Conclusion: These results indicated that hyperglycemia leads to LPA synthesis, and subsequent promoting pathological consequence of PCa. These novel findings could potentially provide new strategies for PCa treatments.

KW - Hyperglycemia

KW - Lymphangiogenesis

KW - Lysophosphatidic acid

KW - Prostate cancer

KW - Vascular endothelial growth factor-C

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