Expression of kynurenine aminotransferases in the rat retina during development
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Expression of kynurenine aminotransferases in the rat retina during development. / Rejdak, Robert; Shenk, Yana; Schuettauf, Frank; Turski, Waldemar A; Okuno, Etsuo; Zagorski, Zbigniew; Zrenner, Eberhart; Kohler, Konrad.
In: VISION RES, Vol. 44, No. 1, 01.2004, p. 1-7.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Expression of kynurenine aminotransferases in the rat retina during development
AU - Rejdak, Robert
AU - Shenk, Yana
AU - Schuettauf, Frank
AU - Turski, Waldemar A
AU - Okuno, Etsuo
AU - Zagorski, Zbigniew
AU - Zrenner, Eberhart
AU - Kohler, Konrad
PY - 2004/1
Y1 - 2004/1
N2 - The study investigates the cellular expression of kynurenine aminotransferases (KAT I and II) in the rat retina during development. At P1 (the day of birth) and P7 (the 7th day after birth), KAT I expression was observed in the inner plexiform layer (IPL), the fiber layer (FL), and in vertically running processes in the ganglion cell layer (GCL) (but not in the cell bodies). At P14 (the 14th day after birth) a strong KAT I immunoreactivity was observed in Müller cell endfeet. KAT II was expressed in the IPL, the FL, and in cells in the GCL at P1 and P7. From P14 on, KAT II expression in the IPL decreased. Double labeling revealed that KAT I was expressed in Müller cell endfeet, whilst KAT II both on retinal ganglion cells (RGC) and Müller cell endfeet. In conclusion, KAT I and II are present in the rat retina during development. The heterogeneity of the KAT developmental profiles possibly reflects a neuromodulatory role in the retinal differentiation.
AB - The study investigates the cellular expression of kynurenine aminotransferases (KAT I and II) in the rat retina during development. At P1 (the day of birth) and P7 (the 7th day after birth), KAT I expression was observed in the inner plexiform layer (IPL), the fiber layer (FL), and in vertically running processes in the ganglion cell layer (GCL) (but not in the cell bodies). At P14 (the 14th day after birth) a strong KAT I immunoreactivity was observed in Müller cell endfeet. KAT II was expressed in the IPL, the FL, and in cells in the GCL at P1 and P7. From P14 on, KAT II expression in the IPL decreased. Double labeling revealed that KAT I was expressed in Müller cell endfeet, whilst KAT II both on retinal ganglion cells (RGC) and Müller cell endfeet. In conclusion, KAT I and II are present in the rat retina during development. The heterogeneity of the KAT developmental profiles possibly reflects a neuromodulatory role in the retinal differentiation.
KW - Animals
KW - Fluorescence
KW - Immunohistochemistry
KW - Rats
KW - Retina/enzymology
KW - Transaminases/metabolism
U2 - 10.1016/j.visres.2003.07.007
DO - 10.1016/j.visres.2003.07.007
M3 - SCORING: Journal article
C2 - 14599566
VL - 44
SP - 1
EP - 7
JO - VISION RES
JF - VISION RES
SN - 0042-6989
IS - 1
ER -