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Evaluation of the effectiveness of semen collection and sperm purification methods for spermatozoa transcript profiling

ABSTRACT: RNA-Seq technique was applied to investigate the effects of two semen collection methods (Pelleted vs Liquefied) and two sperm purification methods (SCLB vs PS) to the integrity of isolated RNAs at different perspectives.

ORGANISM(S): Homo sapiens

PROVIDER: GSE43586 | GEO | 2013/12/09

SECONDARY ACCESSION(S): PRJNA186783

REPOSITORIES: GEO

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Evaluation of the effectiveness of semen collection and sperm purification methods for spermatozoa transcript profiling

Project description:RNA-Seq technique was applied to investigate the effects of two semen collection methods (Pelleted vs Liquefied) and two sperm purification methods (SCLB vs PS) to the integrity of isolated RNAs at different perspectives. The same set of semen samples were applied to investigate the qualitative and quantitative effect of semen collection methods and sperm cell purification methods on sperm transcript profiling.

2013-12-09 | E-GEOD-43586 | biostudies-arrayexpress

Evaluation of the effectiveness of semen storage and sperm purification methods for spermatozoa transcript profiling.

Project description: Not available

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Evaluation of RNA amplification and RNA-Seq library preparation protocols for spermatozoa RNA profiling

Project description:RNA-Seq technique was applied to investigate the effects of four cDNA amplification kits and two RNA-Seq library preparation kits to the deep sequencing results at different perspectives. The same set of semen samples were applied to investigate the qualitative and quantitative effect of four cDNA amplification methods and two RNA-Seq library preparation methods on sperm transcript profiling.

2015-05-09 | E-GEOD-57503 | biostudies-arrayexpress

Bull semen

Project description:Bull semen Targeted loci environmental

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Proteomic analysis of rabbit fresh and cryopreserved semen (spermatozoa)

Project description:Cryoinjury and protein changes are a consequence of cryopreservation and may have a negative impact on sperm quality regarding motility, viability and fertilizing ability. However, potential proteomic changes in rabbit semen throughout the cryopreservation process have never been investigated previously. The aim of the present study was to compare the whole proteome of fresh and cryopreserved rabbit spermatozoa. Comparative analysis and identification of proteins were performed using 2-dimensional difference in-gel electrophoresis (2D-DIGE) coupled with matrix-assisted laser desorption/ionization mass (MALDI TOF/TOF) spectrometry. We found that 108 proteins differed in abundance in spermatozoa between fresh and frozen semen. Most of these proteins was involved in pathways related to energy metabolism and protein quality control under stress conditions, reproductive processes and mechanisms of cell death/survival regulation, resulting in a significant decrease of motility and viability of post-thawing rabbit sperm and its potential fertilizing ability.

2022-10-14 | PXD034832 | Pride

Proteomic characterization of fresh spermatozoa and supernatant after cryopreservation in relation to freezability of carp (Cyprinus carpio) semen

Project description:Our recent studies suggested that the freezability of carp semen is related to seminal plasma protein profiles. Here, we aimed to compare the spermatozoa proteomes of good (GF) and poor (PF) freezability semen of carp. To achieve this, we used two-dimensional difference in gel electrophoresis followed by MALDI-TOF/TOF mass spectrometry. The semen was classified as GF or PF based on sperm motility after freeze/thawing. We identified proteins enriched in spermatozoa of GF (22 proteins) and PF (18 proteins) semen. We also identified 12 proteins enriched in the supernatant after cryopreservation of PF semen. Good freezability is related to high concentrations of proteins involved in the maintenance of flagella structure, membrane fluidity, efficient control of Ca2+ and sperm motility, energy production, and antioxidative protection, which likely reflects the full maturation status of spermatozoa of GF semen. On the other hand poor freezability seems to be related to the presence of proteins identified as released in high quantities from cryopreserved sperm of PF. Thus, the identified proteins might be useful bioindicators of freezing resilience and could be used to screen carp males before cryopreservation, thus improve long-term sperm preservation in carp.

2018-03-23 | PXD008187 | Pride

human semen metagenome

Project description:human semen metagenome Targeted Locus (Loci)

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Biomarkers in semen/urine from non-obstructive azoospermia patients to predict the presence of testicular spermatozoa and spermatogonia

Project description:About half of testicular sperm extraction (TESE) procedures in men with non-obstructive azoospermia (NOA), including men with Klinefelter syndrome (KS), are unsuccessful. To avoid unnecessary invasive surgery, biomarkers for spermatozoa have been studied and identified. In addition, markers for spermatogonia in testis tissue have been researched. This study aimed to find biomarkers in semen and/or urine of NOA patients to predict the presence of spermatogonia in the testis. This would especially be interesting for young boys. Differentially expressed miRNAs were identified (1) between samples from patients with and those of patients without a positive TESE procedure as well as (2) between TESE negative patients with and those without spermatogonia. A total of ten up-regulated miRNAs (seven in seminal plasma and three in urine) were found in the TESE-negative/spermatogonia-positive group compared to the TESE-negative/spermatogonia-negative group. These miRNAs could become biomarkers for spermatogonia, however, more research is necessary.

2023-02-06 | GSE224511 | GEO

Diagnostic utility of high quality RNA in diverse clinical semen and sperm samples

Project description:We report quantitation of specific mRNAs in two RNA samples isolated from normozoospermic whole semen Examination of 2 different normozoospermic semen samples by RNA-seq Please note that raw data for 'GSM1273824: AY4' is incomplete.

2013-11-23 | E-GEOD-52665 | biostudies-arrayexpress

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