[Differentiation of prostatitis and clinically significant prostate cancer in peripheral zone using the prostate imaging-reporting and data system]

Objective: To determine whether clinically significant prostate cancer (PCa) and prostatitis in the peripheral zone can be distinguished using prostate imaging reporting and data system version 1 (PI-RADS V1) and version 2(PI-RADS V2). Methods: Between September 2010 and August 2016, mpMRI data of 77 patients with PCa and 29 prostatitis obtained at 3.0 T were collected in Zhangjiagang Hospital Affiliated to Soochow University. Every lesion was scored according to PI-RADS (V1 and V2), as well as a sum score and a PI-RADS V2 score. The non-parametric Kruskal-Wallis test was used to assess differences between PCa and prostatitis regarding PS3, PS4 and PI-RADS V2 score. The diagnostic performance of PI-RADS V1 and V2 for detection of prostatitis in peripheral zone was compared by analyzing ROC curve. Results: The PI-RADS V1 score for PS3, PS4 and the PI-RADS V2-score were all significantly higher for PCa (PS3:12.1±2.1; PS4:16.2±2.9; V2:4.6±0.8) than for prostatitis (PS3:8.0±0.7; PS4:10.6±1.0; V2:3.0±0.5) (all P<0.01). Of these parameters, PS4 achieved the highest predictive value for the presence of prostatitis with an AUC of 0.937, sensitivity and specificity were 87.0%, 97.0% with a threshold of 12.5. Conclusion: Prostatitis can be differentiated from clinically significant PCa in peripheral zone on mpMRI using PI-RADS system, PS4 achieved better results compared to PS3 and V2.

Associations between polymorphisms of the GFI1B gene and growth traits of indigenous Chinese goats

This study aimed to investigate polymorphisms of the eighth exon in the GFI1B gene among three indigenous Chinese goat breeds (QianBei Ma goats, GuiZhou white goats, and GuiZhou black goats). Furthermore, association analysis was conducted between these polymorphisms and growth traits. Polymerase chain reaction-single strand conformation polymorphism (PCR-SSCP), direct DNA sequencing, and PCR-restricted fragment length polymorphism (RFLP) were applied to detect polymorphism sites, and a general linear model was used to analyze their association with growth traits. We found two consistent single nucleotide polymorphism (SNP) sites in the eighth exon of the GFI1B gene among the three breeds: 263 bp G→T and 340 bp G→A. The fixed effects model used to analyze growth traits revealed significant differences in body weight, body length, chest depth, and chest breadth between genotypes CD, CC, and DD (P < 0.01). The 340(G/C) polymorphic sites identified here will provide a basis to further study associations between the GFI1B gene and growth traits, as well as establish a theoretical foundation to develop better feeding and genetic resources of indigenous goats.

cDNA cloning and analysis of polymorphism of GFI1B gene in GuiZhou white goat

This study mainly aimed to research the CDS sequence (coding sequence), polymorphisms of exon 1, exon 2 and part of exon 8 of GFI1B in GuiZhou white goat of indigenous Chinese goat. The cDNA of GFI1B was analysed through bioinformatics which was obtained by the reverse transcription PCR (RT-PCR). The polymorphisms of GFI1B gene exons region was identified whose association with growth traits was analysed by GuiZhou white goat. The results revealed that the cDNA of GFI1B which contained a complete open reading frame (ORF) was 996 bp in full length. The accession numbers on GenBank was JX627316. One new mutation sites of C347A had been determined in the eighth intron. Our results could lay the foundation for the further investigation on the role of GFI1B gene in goat growth traits.

[Effect of taozhi zhipo granule on intestinal adhesion in rats and exploration of its therapeutic mechanism]

OBJECTIVE

To explore the therapeutical mechanism of Taozhi Zhipo Granule (TZZPG) on intestinal adhesion.

METHODS

Fed SD male rats of intestinal adhesion model with TZZPG 10, 20 g/kg.d continuously for 12 days.

RESULTS

TZZPG could alleviate the degree and the average length of intestinal adhesion in rats. It also could prolong bleeding time in mice and plasma recuperation time of guinea-pigs, improve the auricular microcirculation in mice, accelerate the removing speed of charcoal powder in mice's intestine and slightly strengthen the contraction of rat intestine in vitro. TZZPG relieved the croton oil topical edema of ear and reduced the capillary permeability of abdominal cavity in mice. TZZPG could enhance the phagocytosis of peritoneal macrophages.

CONCLUSIONS

TZZPG has preventive effect on intestinal adhesion. The action might be due to improve the ischemia in local tissue, strengthen the contraction of intestine and inhibit the inflammation.

[Determination of the rate of micronucleus formation in lymphocytes in liver diseases and its clinical significance]

The rate of micronucleus formation in lymphocytes was determined in 42 patients (including 10 acute icteric hepatitis B, 15 chronic active hepatitis B (CAH), 8 liver cirrhosis and 9 liver cancer) and 13 normal subjects. The results showed that the rate of micronucleus formation in lymphocytes in the patients with CAH (12.267 +/- 5.298%), liver cirrhosis (12.375 +/- 8.551%) or liver cancer (19.444 +/- 13.324%) was markedly higher than that in those with acute icteric hepatitis B (5.400 +/- 1.430%) or normal subjects (3.308 +/- 1.284%) (P less than 0.01). The rate of micronucleus formation in lymphocytes is higher in the liver cancer group than that in the CAH group or cirrhosis group (P less than 0.05). The rate of presence of two or more micronuclei in the lymphocytes was obviously higher in the liver cancer group (3.667 +/- 4.743%) than that in the liver cirrhosis group (1.500 +/- 1.690%), CAH group (1.467 +/- 1.807%), acute icteric hepatitis B group (0.600 +/- 1.075%) or healthy group (0.462 +/- 0.660%) (P less than 0.01 or less than 0.05). This method is much simpler than the measurement of chromosomal damage, and its reliability is as good as the latter. Measurement of micronuclei in lymphocytes can reflect the degree of liver damage in patients with the infection of hepatitis B virus. It may be used as the subclinical marker of the patients with liver cancer too.