Objective To analyze the gonadal hormone and seminal plasma of patients with abnormal semen liquefaction and investigate the influence mechanism in order to provide guidance for the diagnosis and treatment. Methods 152 men of childbearing age were divided into two groups according to the liquefaction time (cut?off point: 60 minutes). Routine semen parameters,gonadal hormone and seminal plasma were tested and compared between the above groups. T?test was applied to compare individual gland function (pH value,neutralα?glycosidase,fructopyranose,seminal plasma zinc and citric acid) and gonadal hormone (FSH,LH,PRL,T and E2). Logistic regression analysis was adopted to probe the influencing factors for abnormal semen liquefaction. Results Seminal pH value (7.47 ± 0.13 vs. 7.32 ± 0.18),citric acid(51.12 ± 12.95 vs. 83.11 ± 33.46)and FSH (4.40 ± 1.03 vs. 4.85 ± 1.50)levels were significant different between the two groups (P < 0.05),but the other indexes showed no significant difference. Correlation regression analysis showed that semen liquefaction capacity has correlative relationship with seminal plasma fructose (OR=2.644),citric acid (OR=0.922),serum T (OR=1.029) and E2,while no correlative relationship with other indexes. Conclusions Correlation between two glands (seminal vesicle and prostate) and balance in the two hormones (T and E2) influence the liquefaction time. Specific causes should be distinguished before diagnosis.

OBJECTIVE: To assess the association of C677T polymorphism of methylenetetrahydrofolate reductase (MTHFR) gene with autistic behavior and inheritance pattern of children patients. METHODS: Ninety three autism patients were selected as the study group, whilst 93 healthy children were selected as the control group. The C677T genotype of the MTHFR gene was determined, and the correlation between the genotype and the autistic behavior and inheritance pattern were investigated. RESULTS: MTHFR gene C677T locus revealed three genotypes CC, CT and TT. Compared with the control group, the study group had fewer CC genotype but more TT genotype (P<0.05). Individuals with the three genotypes showed a statistically significant difference in the frequencies of four problem behaviors (P<0.05). Regression analysis showed that at least one T allele encoding the degree of 1 and 2 for the 4 problem behaviors that were statistically different. MTHFR gene C677T genotype was associated with autism under the recessive inheritance model and allelic inheritance model (P<0.05). CONCLUSION The C677T polymorphism of the MTHFR gene is associated with autistic behaviors. Children with the TT genotype or T allele are at higher risk of developing autism, particularly direct gaze, complex limb movements, self-injurious behavior and hyperactivity 1 and 2 related with the degree of coding.
Autistic Disorder/genetics* ; Child ; Genetic Predisposition to Disease ; Genotype ; Humans ; Inheritance Patterns ; Methylenetetrahydrofolate Reductase (NADPH2)/genetics* ; Problem Behavior