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Fertility induction associated with improved peripheral reproductive parameters in male mice subjected to GH and levothyroxine replacement.
Arch Endocrinol Metab
January 2025
Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo Laboratório de Hormônios e Genética Molecular LIM/42 Divisão de Endocrinologia São PauloSP Brasil Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, Laboratório de Hormônios e Genética Molecular LIM/42 - Divisão de Endocrinologia, São Paulo, SP, Brasil.
Objective: The aim of this study was to characterize the parameters of reproductive anatomy and pituitary hormone expression levels in ames dwarf mice ).
Materials And Methods: Male mice aged 30 days received daily intraperitoneal injections of recombinant human GH and levothyroxine three times weekly for 60 days. The sexual maturation of these animals was compared with that of their wild-type ( ) and untreated ( ) siblings.
Insights into Reproduction Through Gonadal Tissue Methylation Analysis and Transcriptomic Integration.
Biomolecules
January 2025
Área de Genética, Facultad de Ciencias del Mar y Ambientales, INMAR, Universidad de Cádiz, 11510 Cádiz, Spain.
Fish exhibit diverse mechanisms of sex differentiation and determination, shaped by both external and internal influences, often regulated by distinct DNA methylation patterns responding to environmental changes. In aquaculture, reproductive issues in captivity pose significant challenges, particularly the lack of fertilization capabilities in captive-bred males, hindering genetic improvement measures. This study analyzed the methylation patterns and transcriptomic profiles in gonadal tissue DNA from groups differing in rearing conditions and sexual maturity stages.
View Article and Find Full Text PDFAssessment of the impact of HIV infection on the hypothalamic-pituitary-ovarian axis and pubertal development among adolescent girls at a tertiary centre in Zimbabwe: a cross-sectional study.
BMC Endocr Disord
January 2025
Faculty of Medicine and Health Sciences, Department of Obstetrics and Gynaecology, University of Zimbabwe, P. O. Box A178, Avondale, Harare, Zimbabwe.
Background: Proper planning of reproductive health needs for HIV-infected adolescents requires a clear understanding of the effects of HIV infection on adolescents' pubertal development.
Objective: To assess the effects of HIV infection on the hypothalamic-pituitary-ovarian (HPO) axis, ovarian reserve and pubertal development in adolescent girls at a tertiary hospital in Zimbabwe.
Methods: This was a cross-sectional survey of HIV-infected adolescent girls aged 10-19 years, with available CD4 + count results at a tertiary hospital in Zimbabwe.
Constitutive expression of Cas9 and rapamycin-inducible Cre recombinase facilitates conditional genome editing in Plasmodium berghei.
Sci Rep
January 2025
Sorbonne Université, CNRS, Inserm, Centre d'Immunologie et des Maladies Infectieuses, CIMI, F-75013 Paris, France.
Malaria is caused by protozoan parasites of the genus Plasmodium and remains a global health concern. The parasite has a highly adaptable life cycle comprising successive rounds of asexual replication in a vertebrate host and sexual maturation in the mosquito vector Anopheles. Genetic manipulation of the parasite has been instrumental for deciphering the function of Plasmodium genes.
View Article and Find Full Text PDFTranscriptome and DNA methylation analysis of the goat pineal gland during puberty.
Sci Rep
January 2025
College of Veterinary Medicine, Anhui Agricultural University, Hefei, Anhui, China.
Previous studies have confirmed that methylation regulates gene transcription in the hypothalamus-pituitary-gonadal axis during puberty initiation, but little is known about the regulation of DNA methylation on gene expression in the pineal gland. To screen pineal gland candidate genes related to the onset of goat puberty and regulated by genome methylation, we collected pineal glands from prepubertal and pubertal female goats, then, determined the DNA methylation profile by whole genome bisulfite sequencing and the transcriptome by RNA sequencing on Illumina HiSeqTM2500. We analyzed differentially expressed genes between the Pre group and Pub group using the DESeq2 software (version 1.
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