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| http://dx.doi.org/10.3389/fendo.2023.1258656 | DOI Listing |
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Assessment of the differences in Mean Age at Menarche (MAM) among adolescent girls in rural and urban Nigeria: a systematic review.
BMC Public Health
December 2024
Sechenov First Moscow State Medical University, Moscow, Russia.
Introduction: Globally, there has been a decline in the age of menarche; the decline is higher in poorer countries than in richer ones. The measurement of the decline was based on the reported mean age at menarche (MAM) across the countries. There is a significant knowledge gap in investigating the generational decline in MAM in low- and median-income countries (LMC).
View Article and Find Full Text PDFEditorial: Advances in the treatment of sexual precocity and infertility.
Front Endocrinol (Lausanne)
November 2024
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NIH), Bethesda, MD, United States.
Unravelling spermatogenesis in spotted wolffish: Insights from the ultrastructure of juvenile male testes to the cryopreservation of broodstock sperm.
Aquaculture
November 2024
Department of Genomics, Faculty of Biosciences and Aquaculture, Nord University, Bodø 8049, Norway.
The aim of this study was to deepen our understanding of the reproductive biology of male spotted wolffish () using two different experimental approaches involving juvenile and mature broodstock fish. The first approach consisted of a detailed histological examination of the testes to identify the onset of gonadal maturation and characterise the spermatogenic stages in two- and three-year-old juvenile specimens. Light microscopy analysis revealed clear differences between the age groups.
View Article and Find Full Text PDFDisentangling the unique contributions of age, pubertal stage, and pubertal hormones to brain structure in childhood and adolescence.
Dev Cogn Neurosci
December 2024
Department of Psychological and Brain Sciences, Washington University in St. Louis, MO 63110, USA.
Puberty and associated changes in pubertal hormones influence structural brain development. Hormones such as dehydroepiandrosterone (DHEA) and progesterone remain understudied, and it remains unclear how these aspects of puberty contribute uniquely to structural brain development. We used the Human Connectome Project in Development cross-sectional sample of 1304 youth (aged 5-21 years) to investigate unique contributions of sex, age, pubertal stage, DHEA, testosterone, estradiol, and progesterone to cortical thickness, surface area, and subcortical volume development within functionally-relevant networks.
View Article and Find Full Text PDFRare connective tissue diseases in patients with C1-inhibitor deficiency hereditary angioedema: first evidence on prevalence and distribution from a large Italian cohort study.
Front Immunol
November 2024
Department of Medicine, Azienda Ospedale-Università di Padova, Padova, Italy.
Introduction: In patients with Hereditary Angioedema (HAE) related to primary C1 inhibitor deficiency (C1INH), the defective clearance of immune complexes and apoptotic materials along with impairment of normal humoral response potentially leads to autoimmunity. Few studies report evidence on autoimmune diseases in C1INH-HAE, but no large population studies focus on rare connective tissue diseases (RCTDs). We aim at evaluating for the first time prevalence and distribution of RCTDs - Systemic Lupus Erytematosus (SLE), primary Sjogren Syndrome (SjS), primary antiphospholipid syndrome (APS), Systemic Sclerosis (SSc), and mixed connective tissue diseases (MCTD) in a large Italian cohort of C1INH-HAE patients.
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