Clopidogrel delays and can reverse diabetic nephropathy pathogenesis in type 2 diabetic mice.

Background: Diabetic nephropathy (DN) is the principal cause of end-stage renal disease. Previous studies have shown that clopidogrel can prevent the early progression of renal injury.

Aim: To elucidate whether clopidogrel is beneficial against DN by using a / mouse model.

[Periodic fluctuation features of air temperature, precipitation, and aboveground net primary production of alpine meadow ecosystem on Qinghai-Tibetan Plateau].

With Mexican Hat function as mother function, a wavelet analysis was conducted on the periodic fluctuation features of air temperature, precipitation, and aboveground net primary production (ANPP) in the Alpine Meadow Ecosystem Research Station, Chinese Academy of Sciences from 1980 to 2007. The results showed that there was a main period of 13 years for the annual fluctuations of air temperature, precipitation, and ANPP. A secondary period of 2 years for the annual fluctuations of air temperature and ANPP had lesser influence, whereas that of 4 years for the annual fluctuation of precipitation had greater effect.

[Comparison of two surgical approach for cardiac cancer].

Objective: To explore the preferable surgical approach for cardiac cancer.

Methods: One hundred and sixty patients with cardiac cancer underwent operation in two surgical approaches (epigastrium and left chest). Analysis was conducted on lymph nodes resected, stump positive rate, radical resectability rate, perioperative mortality, surgical complication rate, postoperative hospital days, survival rate between the two groups.

[Exploration on the mother edition of Wang Bing's annotated Su wen (Plain questions)].

According to Wang Bing's preface, when arranging Su wen (Plain Questions), he applied different editions of the book. But, he didn't indicate which edition was applied as the mother edition. By analyzing materials from Wang's preface, newly produced Plain Questions, etc.