Results 41 to 50 of about 86,315 (186)

Accelerating onset of puberty through modification of early life nutrition induces modest but persistent changes in bull sperm DNA Methylation profiles Post-puberty [PDF]

, 2020
In humans and model species, alterations of sperm DNA methylation patterns have been reported in cases of spermatogenesis defects, male infertility and exposure to toxins or nutritional challenges, suggesting that a memory of environmental or ...
Kenny, David A., Kenny, David, Lonergan, Patrick, Kenny, D.A., Byrne, C.J., Hélène Jammes (83224), Schibler, L., Chaulot-Talmon, A., Sellem, E., Lonergan, P., Aubert-Frambourg, A., Schibler, Laurent, David A. Kenny (1805986), Kiefer, Hélène, Byrne, Colin, Luc Jouneau (104380), Jouneau, Luc, Aubert-Frambourg, Anne, Seán Fair (5141156), Chaulot-Talmon, Aurélie, Fair, S., Byrne, Colin J., Laurent Schibler (47268), Aurélie Chaulot-Talmon (9302618), Jouneau, L., Jammes, H., Eli Sellem (5315033), Hélène Kiefer (5315030), Jammes, Hélène, Fair, Seán, Colin J. Byrne (7907780), Patrick Lonergan (476829), Anne Aubert-Frambourg (3494342), Perrier, J-P, Jean-Philippe Perrier (5315027), Kiefer, H., Perrier, Jean-Philippe, Sellem, Eli   +37 more
core   +1 more source

Review: Early and late determinants of puberty in ruminants and the role of nutrition

Animal, 2023
This article reviews the scientific literature on puberty with a focus on ruminants and draws inference, where appropriate, from recent findings in transgenic mouse models and human pathology. Early genetic determinants of puberty have been discovered in
A.H. Duittoz, D.A. Kenny
doaj   +1 more source

Age, puberty, body dissatisfaction, and physical activity decline in adolescents. Results of the German Health Interview and Examination Survey (KiGGS)

, 2011
Finne E, Bucksch J, Lampert T, Kolip P. Age, puberty, body dissatisfaction, and physical activity decline in adolescents. Results of the German Health Interview and Examination Survey (KiGGS).
Bucksch, Jens, Thomas Lampert, Kolip, Petra, Bucksch Jens, Emily Finne, Finne, Emily, Kolip, Petra ; https://orcid.org/, Lampert Thomas, Kolip Petra, Lampert, Thomas, Finne Emily, Finne, Emily ; https://orcid.org/, Jens Bucksch, Petra Kolip   +13 more
core   +1 more source

Association of puberty timing with parental age at childbirth among primary and secondary students in Beijing

Zhongguo gonggong weisheng, 2022
ObjectiveTo explore the relationship between puberty timing and parental age at childbirth among primary and secondary students and in Beijing, and to provide a reference for further comprehending puberty development of children and adolescents ...
Zu-hong ZHANG, Tian-jiao CHEN, Jun MA
doaj   +1 more source

Investigations on “EARLY NORMAL PUBERTY” [PDF]

Pediatric Research, 1979
“Early normal puberty” (H. Seckel, 1951) is no pathological form of sexual development but an extreme variant of the norm. This is a report on 11 girls and 2 boys. First pubertal signs, inaccurately remembered in most cases, varied from age 6.25 to 9.0 Menarche occurred with 10.45 ± 0.95 ys.
J R Bierich, P E Esteves
openaire   +1 more source

Early Puberty Trend during the COVID-19 Pandemic in Singapore

Journal of the ASEAN Federation of Endocrine Societies
Objectives. We aimed to study the trend of referrals for precocious puberty during the COVID-19 pandemic compared to pre-COVID years, explore the differences in the demographic and clinical features, and evaluate the contributing factors. Methodology.
Annie Leong, Rashida Farhad Vasanwala
doaj   +1 more source

Neurofibromatosis type 1 (NF1) presenting with dichotomous pubertal presentation: a case series

Journal of the Pakistan Medical Association
Neurofibromatosis type 1 (NF1) is an autosomal dominant disorder that is caused by a mutation in the NF1 gene, which is located on chromosome 17q11.2, which encodes for a protein known as “Neurofibromin”, which acts as an inhibitor of oncogene RAS. This
Versha Rani Rai, Heeranand Rathore, Manisha Kumari, Mohsina Noor Ibrahim, Maira Riaz, Roshia Parveen   +5 more
doaj   +1 more source

Precocious Puberty and Benign Variants in Female Children: Etiology, Diagnostic Challenges, and Clinical Management

Endocrines
Precocious puberty, defined as the onset of secondary sexual characteristics before age 8 in girls, presents a diagnostic challenge in distinguishing between normal variants and pathological conditions requiring intervention.
Roberto Paparella, Arianna Bei, Lorenzo Brilli, Vittorio Maglione, Francesca Tarani, Marcello Niceta, Ida Pucarelli, Luigi Tarani   +7 more
doaj   +1 more source

The Role of Pediatric Nutrition as a Modifiable Risk Factor for Precocious Puberty

Life, 2021
Puberty is a critical phase of growth and development characterized by a complex process regulated by the neuroendocrine system. Precocious puberty (PP) is defined as the appearance of physical and hormonal signs of pubertal development at an earlier age
Valeria Calcaterra, Elvira Verduci, Vittoria Carlotta Magenes, Martina Chiara Pascuzzi, Virginia Rossi, Arianna Sangiorgio, Alessandra Bosetti, Gianvincenzo Zuccotti, Chiara Mameli   +8 more
doaj   +1 more source

The Effects of the COVID-19 Pandemic on Pubertal Development in Girls: A Retrospective Evaluation of Girls Presenting with Precocious Puberty Before and During the Pandemic

Çocuk Dergisi
Objective: The timing of pubertal onset is a complex biological process influenced by various factors, many of which remain poorly understood. A notable increase in early puberty cases was observed during the COVID-19 pandemic. This study evaluated girls
Esin Karakılıç Özturan, Aslı Berru Arslan Özden, Tuğçe Kandemir, Şükran Poyrazoğlu, Firdevs Baş, Fatma Feyza Darendeliler   +5 more
doaj   +1 more source