. Author manuscript; available in PMC: 2021 May 3.

Published in final edited form as: Neurosci Lett. 1999 Dec 10;276(3):189–192. doi: 10.1016/s0304-3940(99)00830-7

Table 1.

Substance P mRNA levels in the Rpa, Rob and the PPR in different thyroid statuses

Treatments		Serum T₄ (μg/dl)	Number of silver grains/neuron^a
Surgery	i.p. (Daily for 30 days)	Serum T₄ (μg/dl)	Rpa	Rob	PPR
Sham operation	Vehicle	4.51 ± 0.23	36.0 ± 6.5	38.6 ± 8.3	37.4 ± 7.2
Thyroidectomy	Vehicle	1.61 ± 0.37^*	49.7 ± 20.1	47.2 ± 15.4	47.9 ± 15.3
Thyroidectomy	T₄ (2 μg/100 g)	6.26 ± 0.45^#	32.2 ± 7.7	33.2 ± 6.2	32.8 ± 7.3
Sham operation	T₄ (20 μg/100 g)	8.48 ± 1.17^*	27.7 ± 9.6	29.7 ± 9.1	29.1 ± 5.3

Mean ± SE of four to five rats/group.

P < 0.05 compared with sham operation/vehicle group.

P < 0.05 compared with thyroidectomy/vehicle group.