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Effect of active immunization with recombinant GnRH6-kisspeptin fusion protein on reproductive function in male rats.
Zygote
March 2025
1Department of Animal Veterinary Science, College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, China.
Immunological castration can be an alternative to traditional surgical castration. The active immunization against GnRH or kisspeptin has a castrating effect. To date, the fusion protein vaccine of combination with GnRH and kisspeptin have not been studied.
View Article and Find Full Text PDFMaternal Hyperandrogenemia and the Long-Term Neuropsychological, Sex Developmental, and Metabolic Effects on Offspring.
Int J Mol Sci
February 2025
2nd Department of Obstetrics and Gynaecology, Aretaieio Hospital, School of Medicine, National and Kapodistrian University of Athens, 11528 Athens, Greece.
Maternal hormonal and metabolic disorders, such as diabetes and obesity, can adversely affect the intrauterine environment, resulting in suboptimal fetal growth and an elevated risk of cardiovascular and metabolic diseases in the later life of the offspring. In this review, we examine the long-term impact of elevated maternal androgen levels during pregnancy on offspring. Maternal hyperandrogenemia is linked to various neurodevelopmental disorders, including attention-deficit/hyperactivity disorder, autism spectrum disorder, and anxiety-like behaviors, mediated by alterations in key brain regions responsible for emotion and cognition.
View Article and Find Full Text PDFHigh-Fat Diets Disturb Rat Epididymal Sperm Maturation.
Int J Mol Sci
February 2025
Departamento de Biología de la Reproducción, Universidad Autónoma Metropolitana, Iztapalapa, Ciudad de México 09340, Mexico.
Infertility is increasingly recognized as being closely linked to obesity in humans. The successful production of fertile spermatozoa requires adequate spermatogenesis within the testis and proper spermatozoa maturation through the epididymis. This study aimed to evaluate the impact of body adiposity on male fertility, focusing on sperm parameters, epididymal sperm maturation, and sperm capacitation in Wistar rats.
View Article and Find Full Text PDFA New Research Tool for Use in Sharks and Rays: Relevance of Reproductive Hormone Levels in the Skin of Small-Spotted Catshark ().
Animals (Basel)
March 2025
Department of Animal Health and Anatomy, Veterinary Faculty, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain.
The present study marks a significant step forward in validating the use of skin biopsies for measuring reproductive steroid hormones in sharks. Given the conservation concerns surrounding many chondrichthyan species and the growing emphasis on adhering to the 3R principles in wildlife research, we should prioritize the acquisition of data through non-destructive or minimally invasive sampling techniques collected remotely. Dart skin biopsy samples can be collected remotely, without the need to chase, capture, and restrain the animal.
View Article and Find Full Text PDFNicotinamide mononucleotide supplementation ameliorates testicular damage induced by ischemia-reperfusion through reshaping macrophage and neutrophil inflammatory properties.
Int Immunopharmacol
March 2025
Key Laboratory of Regenerative Medicine of Ministry of Education, Institute of Aging and Regenerative Medicine, Department of Developmental & Regenerative Medicine, College of Life Science and Technology, Jinan University, Guangzhou, China. Electronic address:
Background: Ischemia-reperfusion (I/R) injury is the main pathophysiology of testicular torsion-detorsion (T/D). However, there is no safe and effective treatment for testicular I/R injury.
Methods: The levels of NAD related genes were measured in the sham group, I/R + saline-treated group, and I/R + NMN-treated group by quantitative reverse transcription PCR (qRT-PCR).
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