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RNA profiles differ between small and large extracellular vesicle subsets isolated from porcine seminal plasma.
BMC Genomics
December 2024
Department of Medicine and Animal Surgery, Veterinary Science, University of Murcia, Murcia, Spain.
Background: Extracellular vesicles (EVs) are essential for cell-to-cell communication because they transport functionally active molecules, including proteins, RNA, and lipids, from secretory cells to nearby or distant target cells. Seminal plasma contains a large number of EVs (sEVs) that are phenotypically heterogeneous. The aim of the present study was to identify the RNA species contained in two subsets of porcine sEVs of different sizes, namely small sEVs (S-sEVs) and large sEVs (L-sEVs).
View Article and Find Full Text PDFIntratesticular creatine maintains spermatogenesis by defining tight junctions.
Sci Rep
December 2024
Department of Urology, Osaka University Graduate School of Medicine, Suita, 565-0871, Osaka, Japan.
One in five couples who wish to conceive is infertile, and half of these couples have male infertility. However, the causes of male infertility are still largely unknown. Creatine is stored in the body as an energy buffer, and the testes are its second-largest reservoir after muscles.
View Article and Find Full Text PDFAI-driven feature selection and epigenetic pattern analysis: A screening strategy of CpGs validated by pyrosequencing for body fluid identification.
Forensic Sci Int
December 2024
Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China. Electronic address:
Identification of body fluid stain at crime scene is one of the important tasks of forensic evidence analysis. Currently, body fluid-specific CpGs detected by DNA methylation microarray screening, have been widely studied for forensic body fluid identification. However, some CpGs have limited ability to distinguish certain body fluid types.
View Article and Find Full Text PDFA homozygous loss-of-function mutation in CEP250 is associated with acephalic spermatozoa syndrome in humans.
Andrology
December 2024
Reproductive Medicine Center, Department of Obstetrics and Gynecology, the Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China.
Background: The presence of predominantly headless sperm in semen is a hallmark of acephalic spermatozoa syndrome, which is primarily caused by gene mutations in humans.
Purpose: To identify genetic causes for acephalic spermatozoa syndrome.
Methods: Polymerase chain reaction and Sanger sequencing were performed to define mutations in SUN5 and PMFBP1.
Cryopreserved sperm among patients with Oligoasthenoteratozoospermia.
Eur J Obstet Gynecol Reprod Biol
December 2024
Sperm Bank & Andrology Unit, Shamir Medical Center, Zerifin, Israel; IVF Department, Shamir Medical Center, Zerifin, Israel; Sackler Medical School, Tel Aviv University, Tel Aviv, Israel.
Objectives: This study investigates sperm utilization and disposal patterns in Oligoasthenoteratozoospermia (OAT) patients undergoing long-term sperm storage. OAT is a major contributor to male infertility. Cryopreservation is a common practice as a "fertility insurance" in case of further deterioration until azoospermia.
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