About the Authors

Michael W. Holliday Jr.

Affiliation School of Medicine Cancer Center, Texas Tech University Health Sciences Center, Lubbock, Texas, United States of America

Stephen B. Cox

Affiliation Research and Testing Laboratory, Lubbock, Texas, United States of America

Min H. Kang

Affiliations School of Medicine Cancer Center, Texas Tech University Health Sciences Center, Lubbock, Texas, United States of America, Departments of Cell Biology & Biochemistry and Pharmacology, Texas Tech University Health Sciences Center, Lubbock, Texas, United States of America

Barry J. Maurer

barry.maurer@ttuhsc.edu

Affiliations School of Medicine Cancer Center, Texas Tech University Health Sciences Center, Lubbock, Texas, United States of America, Departments of Cell Biology & Biochemistry, Pediatrics and Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas, United States of America

Competing Interests

SBC is employed by Research and Testing Laboratory, LLC. A patent application by the Texas Tech University System (TTUS) is pending, on which BJM is an Inventor. As TTUS has a revenue-sharing policy for faculty-inventors, should this patent be issued and commercialized, BJM may share in patent-derived revenues. Patent application: Num. 20120121691 A1, dated May 17, 2012, entitled, " Method for Increasing the Production of a Specific ACYL-Chain Dihydroceramide(s) for Improving the Effectiveness of Cancer Treatments." Assignee: Texas Tech University System. There are no further patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: MWH MHK BJM. Performed the experiments: MWH. Analyzed the data: MWH SBC MHK BJM. Contributed reagents/materials/analysis tools: MHK BJM. Wrote the manuscript: MWH SBC MHK BJM.