RCS/Kyo の対照系統について
NBRP-Rat では、RCS/Kyo ラット（遺伝型：rdy/rdy, p/p）のみを保存・提供しています。現時点では、RCS/Kyo の対照系統は確立されておりません。
過去の文献で対照系統として使用された系統を下記に挙げます。
(1) アルビノラット：近交系アルビノラット [3], SD ラット [11](2) Lewis ラット [8]また、Fischer バックグランドのコンジェニック系統が作製されています [4, 6, 15]。
系統名
RCS-rdy+

遺伝型

表現型+/+, p/p

ピンクアイ（p/p）+(F344.RCS-rdy , p)
RCS-p+網膜変性症を発症しない。
rdy/rdy, +/++(F344.RCS-rdy, p )RCS-rdy+ p+ピンクアイを呈さず（黒色眼）
網膜変性症を発症する(rdy/rdy)。

+/+, +/+(F344.RCS-+, +)ピンクアイを呈さず（黒色眼）
網膜変性症を発症しない。

＊これらの系統は、NBRP-Rat では保存・提供しておりません。
【参考文献】
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6. LaVail MM. Photoreceptor characteristics in congenic strains of RCS rats. Invest Ophthalmol Vis
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