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(a) Representative microscopy images of VIP-expressing cells throughout the rostrocaudal extent of the SCN of female C57 and BTBR mice (male images comparable). (b) BTBR mice had a significantly higher total number of VIP-expressing cells when compared to C57. (c) Quantification of number of VIP-IR cells at each of 5 rostrocaudal levels of the SCN. Scale bar = 200 µm. Abbreviations: VIP = vasoactive intestinal polypeptide; SCN = suprachiasmatic nucleus.
p < 0.05.
