Preparation and preservation of hypoxia UW solution / 华中科技大学学报（医学）（英德文版）

In order to explore the method to prepare hypoxia UW solution and the stability and preservation of hypoxia UW solution, UW solution was purged by argon or air for 15 min or 60 at a flow rate of 0.8 or 2 L/min, and the oxygen partial pressure of UW solution was detected. The hypoxia UW solution was exposed to the air or sealed up to preserve by using different methods, and the changes of oxygen partial pressure was tested. The results showed that oxygen partial presure of 50 mL UW solution, purged by argon for 15 min at a flow rate of 2 L/min, was declined from 242+/-6 mmHg to 83+/-10 mmHg. After exposure to the air, oxygen partial pressure of hypoxia UW solution was gradually increased to 160+/-7 mmHg at 48 h. After sealed up by the centrifuge tube and plastic bad filled with argon, oxygen partial pressure of hypoxia UW solution was stable, about 88+/-13 mmHg at 72 h. It was concluded that oxygen of UW solution could be purged by argon efficiently. Sealed up by the centrifuge tube and plastic bag filled with argon, oxygen partial pressure of UW solution could be stabilized.

Receptores activadores de la proliferación peroxisomal / Activated receptors of the peroximonal proliferation

Peroxisome proliferator-activated receptors (PPARs) are lipid-activated transcription factors that belong to the steroid/retinoic acid receptor superfamily. All their characterized target genes encode proteins that participate in lipid homeostasis. The finding that antidiabetic thiazolidinediones and adipogenic prostanoids are ligans of one of the PPARS reveals a novel signaling pathway that directly links these compounds to processes involved in glucose homeostasis and lipid metabolism including adipocyte differentiation. An understanding of this pathway could designate PPARs as targets for the development and efficient treatments for several metabolic disorders