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Bile acids play an essential role in the solubilization and absorption of dietary fat and lipid-soluble vitamins. Bile acids also modulate the transcription of various genes for enzymes and transport proteins for their own and cholesterol homeostasis through binding to nuclear receptors. Here we report a novel category of bile acid receptor, a membrane-type(More)
The role of pontine reticula units (PRU) responding to afferent impulses from the distal colon and anal mucosa was studied in dogs. The 465 PRU were classified into 4 groups on the basis of the pattern of discharge in response to afferent stimulation (AS) of rectal branches (RB) of the pelvic nerve: Group I (G-I) responded with a short burst (latency, 36(More)
While pharmacological and physiological studies in rats are now increasing, physiological properties of their defecation have been scarcely investigated. This study was performed to define the properties of defecation in decerebrate rats, with special reference to the pontine defecation reflex center, which has been postulated in dogs. Intraluminal pressure(More)