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Articles by H. Wu
Total Records ( 3 ) for H. Wu
  C. Hu , W. Jia , R. Zhang , C. Wang , J. Lu , H. Wu , Q. Fang , X. Ma and K. Xiang
 

Abstract

Aims  Retinol binding protein 4 (RBP4) is a newly discovered adipokine, which plays a role in insulin resistance and obesity. The aim of this study was to determine the relationship between genetic variants of the RBP4 gene, circulating RBP4 concentrations and phenotypes related to glucose and lipid metabolism in the Chinese population.

Methods  We sequenced exons and the putative promoter region to identify single nucleotide polymorphisms (SNPs) in the RBP4 gene in 32 Chinese subjects. Additional SNPs were selected from a public database to increase marker density. Taking account of the pairwise linkage disequilibrium and minor allele frequencies, a subset of SNPs was further genotyped in 255 Type 2 diabetic patients and 372 normal control subjects. Circulating RBP4 concentrations and phenotypes related to glucose and lipid metabolism were measured.

Results  Ten SNPs were identified and five were further genotyped in the full sample. No individual SNP was significantly associated with Type 2 diabetes, but a rare haplotype CAA formed by +5388 C>T, +8201 T>A and +8204 T>A was more frequent in diabetic patients (P = 0.0343, empirical P = 0.0659 on 10 000 permutations). In both groups, non-coding SNPs were associated with circulating RBP4 concentrations (P < 0.05). In the normal control subjects, the SNP +5388 C>T was associated with serum C-peptide levels both fasting and 2 h after an oral glucose tolerance test (P = 0.0162 and P = 0.0075, respectively).

Conclusion  Our findings suggest that genetic variants in the RBP4 gene may be associated with circulating RBP4 concentration and phenotypes related to glucose metabolism.

  X.S. Wu , H. Wu , B.C. Li , G.Y. Zhou , S.Y. Sun , J. Qin , G.H. Chen and H.H. Musa
  To isolate, purify and culture spermotogonia from chicken testicular tissues, a procedure of enzymatic digestion and percoll density centrifugation was adopted for the single cell suspension to obtain purified spermatogonia. The results showed that, using the same purification method, the purity of spermatogonia gained from 6 days old chicken embryo was more than from 13, 15 and 19 days of age; adhesion purification step led to a harvest of 82% of total spermatogonia, which was 15.6% higher than that of direct isolation method; the adhesion time and survival time of spermotogonia before percoll density gradient centrifugation was earlier and longer than after precoll density gradient centrifugation.
  Z.Y. Chen , L.N. Yan , Y. Zeng , T.F. Wen , B. Li , J.C. Zhao , W.T. Wang , J.Y. Yang , M.Q. Xu , Y.K. Ma and H. Wu
 

Objective: The aim of this study was to explore the indications for liver transplantation among patients with hepatolithiasis.

Patients and Methods: Data from 1431 consecutive patients who underwent surgical treatment from January 2000 to December 2006 were retrospectively collected for analysis. Surgical procedures included T-tube insertion combined with intraoperative cholangioscopic removal of intrahepatic stones, hepatectomy, cholangiojejunostomy, and liver transplantation.

Results: Nine hundred sixty-one patients who had a stone located in the left or right intrahepatic duct underwent hepatectomy or T-tube insertion combined with intraoperative cholangioscopic removal of intrahepatic stones. The rate of residual stones was 7.5%. Four hundred seventy patients who had a stone located in the bilateral intrahepatic ducts underwent surgical procedures other than liver transplantation; the rate of residual stones was 21.7%. Only 15 patients with hepatolithiasis underwent liver transplantation; they all survived. According to the degree of biliary cirrhosis, recipients were divided into 2 groups: a group with biliary decompensated cirrhosis (n = 7), or group with compensated cirrhosis or no cirrhosis (n = 8). There were significant differences in operative times, transfusion volumes, and blood losses between the 2 groups (P < .05). In the first group, 6 of 7 patients experienced surgical complications, and in the second, 8 recipients recovered smoothly with no complications. Health status, disability, and psychological wellness of all recipients (n = 15) were significantly improved at 1 year after transplantation compared with pretransplantation (P < .05).

Conclusions: Liver transplantation is a possible method to address hepatolithiasis and secondary decompensated biliary cirrhosis or difficult to remove, diffusely distributed intrahepatic duct stones unavailable by hepatectomy, cholangiojejunostomy, and choledochoscopy.
 
 
 
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