Original ResearchPublished 7 October 2026Serum GDF15 as a potential biomarker for treatment response and survival in patients with resectable locally advanced gastric cancer undergoing neoadjuvant chemotherapyCan Cao · Shunda Wang · Shikang Ding · Hongyun Huang · Tian Yu · Moxi Chen · Yibin Xie · Jianchun YuFrontiers in Molecular Biosciencesdoi 10.3389/fmolb.2026.1948454