2015年1月，山东大学医学院龚瑶琴教授课题组在《Journal of Pathology》杂志上发表题为“CUL4B activates Wnt/β-catenin signaling in hepatocellular carcinoma by repressing Wnt antagonists”的论文（http://onlinelibrary.wiley.com/doi/10.1002/path.4492/full）

同年2月，龚教授在《Human mutation》杂志上发表1篇论文，题为“Identification and Functional Analysis of a SLC33A1: c.339T>G (p.Ser113Arg) Variant in the Original SPG42 Family”（http://onlinelibrary.wiley.com/doi/10.1002/humu.22732/abstract）

同年4月，龚教授课题组又在《Oncotarget》期刊上发表题为“Accelerated hepatocellular carcinoma development in CUL4B transgenic mice.”的研究论文（http://europepmc.org/articles/PMC4558146）。

同年6月，龚瑶琴教授课题组在《Human Molecular Genetics》期刊上发表2篇论文，题目分别为“Lack of CUL4B leads to increased abundance of GFAP-positive cells that is mediated by PTGDS in mouse brain”（http://hmg.oxfordjournals.org/content/24/16/4686.short）和“Zebrafish cul4a, but not cul4b, modulates cardiac and forelimb development by upregulating tbx5a expression”(http://hmg.oxfordjournals.org/content/24/3/853)。