Syndrome and the Exploration of Clinical Significance*

Objective: to explore the mechanism of transportation and transformation of dampness by the way of the expression of organic anion transporting polypeptide (oatp) superfamily member 2a1 (oatp2a1) mRNA in rat with spleen deficiency syndrome and the significance in transportation and transformation of dampness. Methods: 32 wistar male rats were divided randomly into four groups: normal group (n = 6), normal + AA group (n = 6), spleen deficiency group (n = 10), Spleen deficiency + AA group (n = 10). After reserpine-in-duced spleen deficiency model was made, intragastric administration of aristolochic acid (AA) was adopted for three days, the expression of oatp2a1 mRNA were detected in the tissues of lung, liver, kidney, stomach, small intestine and large intestine in four groups by using Fluorescent Quantitative-Polymerase Chain Re-action (FQ-PCR). Results: the expression of oatp2a1 mRNA in above six tissues could be detected. The ex-pression of oatp2a1 mRNA in liver tissue of rat with spleen deficiency syndrome was up-regulated com-pared to normal group (P = 0.035, P < 0.05), the expression of oatp2a1 mRNA in small intestinal tissue of rat with spleen deficiency syndrome was down-regulated compared to normal group (P = 0.004, P < 0.01), the expression of oatp2a1 in intestinal tissue in normal + AA group is down-regulated compared to normal group (P = 0.032, P < 0.05). Conclusions: oatp2a1 might be one of the material basis involved in transporta