Protein sy'n cael ei godio yn y corff dynol gan y genyn PDX1 yw PDX1 a elwir hefyd yn Pancreatic and duodenal homeobox 1 (Saesneg). Segment o DNA yw'r genyn, sy'n amgodio ffwythiant arbennig. Mae'r genyn yma wedi ei leoli ar yr edefyn blaen o gromosom dynol 13, band 13q12.2.[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 PDX1.
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"Mild electrical stimulation with heat shock guides differentiation of embryonic stem cells into Pdx1-expressing cells within the definitive endoderm. ". BMC Biotechnol. 2017. PMID28202025.
"Metformin Restrains Pancreatic Duodenal Homeobox-1 (PDX-1) Function by Inhibiting ERK Signaling in Pancreatic Ductal Adenocarcinoma. ". Curr Mol Med. 2016. PMID26695692.
"Adult Human Biliary Tree Stem Cells Differentiate to β-Pancreatic Islet Cells by Treatment with a Recombinant Human Pdx1 Peptide. ". PLoS One. 2015. PMID26252949.
"PDX1 binds and represses hepatic genes to ensure robust pancreatic commitment in differentiating human embryonic stem cells.". Stem Cell Reports. 2015. PMID25843046.