Protein sy'n cael ei godio yn y corff dynol gan y genyn TFF3 yw TFF3 a elwir hefyd yn Trefoil factor 3 (Saesneg). Segment o DNA yw'r genyn, sy'n amgodio ffwythiant arbennig. Mae'r genyn yma wedi ei leoli ar yr edefyn ôl o gromosom dynol 21, band 21q22.3.[2]
Yn aml mae gan enynnau lawer o gyfystyron. Mae hyn oherwydd eu bod yn aml yn cael eu darganfod gan nifer o bobl mewn cyd-destunau gwahanol heb wybod mai'r un genynnau oeddyn nhw. Hefyd mae gan wahanol gymunedau gwyddonol safonau gwahanol ar gyfer enwi genynnau. Dyma restr o gyfystyron ar gyfer y genyn TFF3.
"Forced Trefoil Factor Family Peptide 3 (TFF3) Expression Reduces Growth, Viability, and Tumorigenicity of Human Retinoblastoma Cell Lines. ". PLoS One. 2016. PMID27626280.
"Endometriosis Leads to an Increased Trefoil Factor 3 Concentration in the Peritoneal Cavity but Does Not Alter Systemic Levels. ". Reprod Sci. 2017. PMID27330011.
"Obstructive sleep apnea and rhonchopathy are associated with downregulation of trefoil factor family peptide 3 (TFF3)-Implications of changes in oral mucus composition. ". PLoS One. 2017. PMID29028798.
"Diagnostic value evaluation of trefoil factors family 3 for the early detection of colorectal cancer. ". World J Gastroenterol. 2017. PMID28405143.
"Trefoil factor-3 is not a useful marker of mucosal healing in Crohn's disease treated with anti-TNF-α antibodies.". World J Gastroenterol. 2017. PMID28104989.