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  seminal plasma
The present study was to determine the correlation between content of this enzyme in seminal plasma and on the surface of sperm.
      
L-PGDS in seminal plasma was analyzed by an ELISA procedure.
      
According to results obtained, L-PGDS may have the ability to improve progressive motility of sperm, and L-PGDS in seminal plasma and on sperm surface may impact male fertility in the female reproductive tract.
      
The epithelial cells provide secretions that empty through ducts into the urethra to form a major component of the seminal plasma of the ejaculate.
      
In a prospective study, antichlamydial serum and seminal plasma antibodies of 131 consecutive patients (mean age 31: 20-57) without evidence of acute urethritis and with negative urethral chlamydial culture were investigated.
      
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  the seminal plasma
The epithelial cells provide secretions that empty through ducts into the urethra to form a major component of the seminal plasma of the ejaculate.
      
In contrast to Zn in blood plasma, a large part of Zn in the seminal plasma was found to be ultrafiltrabe.
      
This study compares the seminal plasma trace metal levels of hospital workers with groups of industrial workers in a petroleum refinery, smelter, and chemical plant.
      
We concluded that changes in trace elements may be related to sperm quality and that lipid peroxidation, although it is not promoted in the seminal plasma by copper or iron or ameliorated by zinc, may be involved in the loss of sperm motility.
      
This coincides with the osmolality of the seminal plasma and egg yolk; i.e., the Baltic cod is adapted to hyperosmotic conditions for spawning and is thus totally dependent on periodical inflows of saline water from the North Sea.
      
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  seminal fluids
Intuitively, a male mating subsequent to a rival should mate longer if doing so transfers more competing spermatozoa or seminal fluids that may act as paternity guards.
      
When the ELISA was applied to ABO grouping of seminal fluids mixed with vaginal secretions only the seminal ABH antigens could be detected.
      
The aim of the present research was to compare the PA-IIL and UEA-I interactions with human salivas and seminal fluids of "secretors" and "nonsecretors" with those obtained with the respective milks.
      
UEA-I, which interacted only with the "secretors" glycoproteins, was most sensitive to those of the seminal fluids.
      
One may suggest that seminal fluids have a positive effect on female fitness.
      
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Semen samples were taken from 110 normal fertile Chinese. After they were washed threetimes, sperm (15×10~6/ml) agglutination caused by lectins (WGA, SBA and ConA, 30μg/mlrespectively) was measured by spectrophotometric analysis (wavelength 500 nm) andobserved using SEM as well. The optical density difference between T 20 and To ofthe experimental groups was significantly different from tho control value. (p<0.01) It issuggested that the optical density difference of the lectin treated groups may serve as a...

Semen samples were taken from 110 normal fertile Chinese. After they were washed threetimes, sperm (15×10~6/ml) agglutination caused by lectins (WGA, SBA and ConA, 30μg/mlrespectively) was measured by spectrophotometric analysis (wavelength 500 nm) andobserved using SEM as well. The optical density difference between T 20 and To ofthe experimental groups was significantly different from tho control value. (p<0.01) It issuggested that the optical density difference of the lectin treated groups may serve as a parame-ter of the lectin receptor number on the surface of the sperm if the experimental conditionsare strictly kept constant. In SEM, sperm agglutination types vary with the kinds oflectin treated. The number, localization and possible functional significance of lectinreceptors on sperm membrane were briefly discussed.

取具有正常生育力男性的新鲜精液标本110例,彻底洗涤,以去除精子表面附着的精浆。调整精子浓度达15×10~6个/毫升,分别加入浓度为30微克/毫升的麦芽凝集素(WGA)、大豆凝集素(SBA)及刀豆球蛋白A(Con A),以721型分光光度计(500nm)测定从起始到20分钟期间的光密度变化值。结果表明,WGA、SBA及Con A均可引起人精子的明显凝集(与对照组相比,P<0.01)。我们认为,在恒定的实验条件下,可用此法衡量精子膜表面外源性凝集素受体的数目与功能状态。本文对110例标本由WGA引起的凝集反应值作了频数分布分析,为进一步研究在不同生理与病理条件下WGA受体的变化提供了基础数据。此外,还用扫描电镜观察了WGA、SBA与Con A引起的凝集类型,为确定外源性凝集素受体在精子膜表面的定位提供了依据。

Zinc,copper,iron and magnesium in seminal plasma from 68 fertile men were assayedby atomic absorption spectrophotometry.The mean values of these metals were Zn 130±5.64μg/ml,Cu 1.84±0.16μg/ml,Fe 0.801±0.104μg/ml and Mg 103.85±10.01μg/mlrespectively.It wasdemonstrated that(1)there was no significant correlation between Znconcentration in seminal plasma and the semen quality,(2)negative correlation betweenCu concentration in seminal plasma and the motility of sperm,and(3)positive correlationbetween Fe concentration...

Zinc,copper,iron and magnesium in seminal plasma from 68 fertile men were assayedby atomic absorption spectrophotometry.The mean values of these metals were Zn 130±5.64μg/ml,Cu 1.84±0.16μg/ml,Fe 0.801±0.104μg/ml and Mg 103.85±10.01μg/mlrespectively.It wasdemonstrated that(1)there was no significant correlation between Znconcentration in seminal plasma and the semen quality,(2)negative correlation betweenCu concentration in seminal plasma and the motility of sperm,and(3)positive correlationbetween Fe concentration in seminal plasma and the number of sperms.The possible functions of these elements in semen are briefly discussed.

本文报告测试了68例正常生育力成年男子精浆中的锌、铜,铁等微量元素和镁,测试结果如下:锌130±5.64μg/ml,铜1.84±0.158μg/ml,铁0.801±0.104μg/ml,镁103.86±10.01μg/ml。所测得的数值均在正常范围内。在正常范围内的精液,精浆中的锌、镁含量与精液质量(精子密度和活动力)之间无显著差异。但铜的含量与精子活动度关系密切,含量高则活动度差,反之则活动度好。铁的含量与精子密度关系也十分密切,含量高时精子密度也高。

Concentrations of immunoglobins and C3, C4 in the serum and semen of 76 normal men were determined by radial immunodiffusion and radioimmunoassay (for semen SIg A)。IgG and SIgA were detected in all samples of seminal plasma. The concentration of IgG is 7.57±3.2 (Mean±SD)mg%。SIgA is 1.37±0.9mg%。IgM can't be found in all samples of seminalplasma. C3, C4 were measurable in 67% samples of seminal plas- ma. The concentrations of seminal plasma C3, C4 are 0.42±0.6mg% and 0.73±0.9mg%, respectively.The mean ratio of...

Concentrations of immunoglobins and C3, C4 in the serum and semen of 76 normal men were determined by radial immunodiffusion and radioimmunoassay (for semen SIg A)。IgG and SIgA were detected in all samples of seminal plasma. The concentration of IgG is 7.57±3.2 (Mean±SD)mg%。SIgA is 1.37±0.9mg%。IgM can't be found in all samples of seminalplasma. C3, C4 were measurable in 67% samples of seminal plas- ma. The concentrations of seminal plasma C3, C4 are 0.42±0.6mg% and 0.73±0.9mg%, respectively.The mean ratio of serum IgG: seminal plasma IgG is 128:1. The mean ratio of IgA is 148:1. The mean ratio of C3 is 567:1 and C4 is 138:1. The mean ratio of IgG: SIgA in seminal plasma is 8.8.Therefore IgG and SIgA have been found as a normal constituents of human seminal plasma and play an important role in semen。

本文报道应用单向扩散法和放射免疫法测定76例正常人血及精液中免疫球蛋白和补体的含量。精浆IgG和SIgA检出率达100 %,IgM未测到。精浆IgG 含量是7.57±3.2mg%,SIgA是1.37±0.9mg%有67%的精浆中测到C_3、C_40、C_3含量是0.42±0.6mg%,C_4是0.73±0.9mg%。血与精浆IgG比值是128:1,IgA比值是148:1, C_3是567:1,C_4是138:1。精浆IgG与SIgA比值是8.8。因此,认为IgG和SIgA是精浆的正常成份,并对免疫球蛋白和补体在精液中的作用进行了讨论。

 
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