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Figure S2 from Cancer-Associated Fibroblasts Drive Glycolysis in a Targetable Signaling Loop Implicated in Head and Neck Squamous Cell Carcinoma Progression

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posted on 2023-03-31, 01:28 authored by Dhruv Kumar, Jacob New, Vikalp Vishwakarma, Radhika Joshi, Jonathan Enders, Fangchen Lin, Sumana Dasari, Wade R. Gutierrez, George Leef, Sivapriya Ponnurangam, Hemantkumar Chavan, Lydia Ganaden, Mackenzie M. Thornton, Hongying Dai, Ossama Tawfik, Jeffrey Straub, Yelizaveta Shnayder, Kiran Kakarala, Terance Ted Tsue, Douglas A. Girod, Bennett Van Houten, Shrikant Anant, Partha Krishnamurthy, Sufi Mary Thomas

CAF secreted HGF mediates HNSCC glycolysis.

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University of Kansas Medical Center

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KUMC

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ARTICLE ABSTRACT

Despite aggressive therapies, head and neck squamous cell carcinoma (HNSCC) is associated with a less than 50% 5-year survival rate. Late-stage HNSCC frequently consists of up to 80% cancer-associated fibroblasts (CAF). We previously reported that CAF-secreted HGF facilitates HNSCC progression; however, very little is known about the role of CAFs in HNSCC metabolism. Here, we demonstrate that CAF-secreted HGF increases extracellular lactate levels in HNSCC via upregulation of glycolysis. CAF-secreted HGF induced basic FGF (bFGF) secretion from HNSCC. CAFs were more efficient than HNSCC in using lactate as a carbon source. HNSCC-secreted bFGF increased mitochondrial oxidative phosphorylation and HGF secretion from CAFs. Combined inhibition of c-Met and FGFR significantly inhibited CAF-induced HNSCC growth in vitro and in vivo (P < 0.001). Our cumulative findings underscore reciprocal signaling between CAF and HNSCC involving bFGF and HGF. This contributes to metabolic symbiosis and a targetable therapeutic axis involving c-Met and FGFR.Significance: HNSCC cancer cells and CAFs have a metabolic relationship where CAFs secrete HGF to induce a glycolytic switch in HNSCC cells and HNSCC cells secrete bFGF to promote lactate consumption by CAFs. Cancer Res; 78(14); 3769–82. ©2018 AACR.

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Keywords

Progression, Invasion & Metastasis Radiobiology Radiation and tumor microenvironment Tumor Microenvironment Tumor-stromal cell interactions

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