Objective To investigate the effect of(-)-Stepholidine(SPD)on enhancing D1 receptor mediated contraction of cardiac muscle in isolated rat heart and to examine whether SPD has a direct effect on the heart dopamine D1 ...
Projects supported by the Ministry of Science and Technology(№ 973-2003CB5154000);the National Natural Science Foundation of China(№ 30230130 and 30572168)
Aim: To examine whether (-)-stepholidine (SPD) has a direct effect on the N- methyl-D-aspartic acid receptors (NMDAR) containing the NMDA receptor subunits NR2A or NR2B and to compare its effect with those of h...
the Ministry of Science and Technology(№ 973-2003CB5154000);the National Natural Science Foundation of China(№ 30271495,30230130)
Aim: To investigate the effect of l-stepholidine (SPD) on the frequency of spontaneous excitatory postsynaptic currents (sEPSC) in the pyramidal cells between layers Ⅴ and Ⅵ in the prelimbic cortex (PL). Meth...
Project supported by the National Basic Research Program 973 from Ministry of Science and Technology in China(№2003CB515401)
Aim: (-)Stepholidine (SPD) is an active ingredient of the Chinese herb Stephania intermedia, which binds to the dopamine D1 and D2 like receptors. Biochemical, electrophysiological and behavioural experiments hav...
Project supported by the National Natural Science Foundation of China, № 39670829; Key Laboratory of Neuroscience, Shanghai Institute of Physiology, Chinese Academy of Sciences.
AIM:To study that l-stepholidine(SPD) regulates the expression of proenkephalin (PENK) and prodynorphin (PDYN) mRNA and Fos in the striatum after rotational test in the 6-hydroxydopamine (6-OHDA)-lesioned rats. METHOD...
Project supported by the National Natural Science Foundation of China, № 39670829, 39770853.
tion of DA release in the NAc.To determine whether the D1 agonistic action of (-)-stepholidine (SPD) on the medial prefrontal cortex (mPFC) neuron is involved in the modulation of evoked subcortical dopamine (DA) rele...
Project supported by the National Natural Science Foundation of China, № 39870898.
AIM: To study the effects of tetrahydroprotoberberines (THPB) on rat liver and brain lipid peroxidation (LPO) and oxygen free radicals generation. METHODS: The malondialdehyde (MDA) levels in rat brain and liver ho-mo...