Objective To investigate the exist of efferent projection from the ventromedial hypothalamic nucleus(VMH) to the caudal periaqueductal gray (cPAG),and whether the network controls nonshivering thermogenesis of brown adipose tissue in rats.

Methods:Nitric oxide synthase(NOS) expression in the midbrain periaqueductal grey(PAG)induced by electrical stimulation of dural matter near the superior sagittal sinus(SSS)of the rat was examined before and after the extirpation of the superior cervical ganglion(SCG)by using standard avidin-biotin immunohistochemistry.

Changes of neuronal nitric oxide synthase immunopositive neurons in midbrain periaqueductal gray of hypertensive rats;

Changes of nitric oxide synthase positive neurons in midbrain periaqueductal gray of stress-induced hypertension rats;

Aim: To study the role of NO in the midbrain periaqueductal gray (PAG) in the development of stress induced hypertension (SIH).

Effects of estrogen on behavior and expression of 5-HT in periaqueductal gray of migraine rats;

Melatonin influences the release of endogenous opioid peptides in rat periaqueductal gray ;

Objective To investigate effects of simulated weightlessness on expression of Fos in rat periaqueductal gray(PAG).

It was found previously that the periaqueductal gray(PAG) and hippocampus play important roles in pain modulation of ACTH, a non-opiate peptide.

Objective To observe the activation of astrocytes,microglia and expression of proinflammatory cytokines in the periaqueductal gray(PAG) by Complete Freunds Adjuvant(CFA)-induced inflammatory pain.

bjective: Observing the structure change of myelin in morphine-dependent rats with VTA, PAG in the different period of time and phase, and the myelin basic protein (MBP) was detected in expression level.