Autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by deficits in communication and social interaction, as well as repetitive behaviors. It has been observed that children born to older fathers have an increased risk of developing ASD and other neurodevelopmental disorders. This phenomenon suggests that paternal age may have an impact on the risk of ASD in offspring.

Recent research has focused on understanding the potential mechanisms underlying the association between paternal age and ASD. One area of interest is the epigenome, specifically DNA methylation, which refers to the addition or removal of methyl groups to DNA molecules. DNA methylation can affect gene expression and play a role in various biological processes.

In a new study, researchers Ramya Potabattula, Andreas Prell, Marcus Dittrich, Caroline Nava, Christel Depienne, Yosra Bejaoui, Nady El Hajj, Thomas Hahn, Martin Schorsch, and Thomas Haaf from Julius Maximilians University, Groupe Hospitalier Pitié-Salpêtrière, University Hospital Essen, Hamad Bin Khalifa University, and Fertility Center in Wiesbaden, Germany, explored the relationship between paternal age, DNA methylation of the BEGAIN gene, and the risk of ASD. The BEGAIN gene encodes a protein involved in protein-protein interactions at synapses, which are crucial for proper brain function. On November 28, 2023, their research paper was published in Aging’s Volume 15, Issue 22, entitled, "Effects of paternal and chronological age on BEGAIN methylation and its possible role in autism."

Full blog - https://aging-us.org/2023/12/what-makes-children-of-older-fathers-at-increased-risk-of-autism/

Paper DOI - https://doi.org/10.18632/aging.205275

Corresponding author - Thomas Haaf - [email protected]

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Keywords - aging, age and sex effect, autism spectrum disorder, BEGAIN, chronological aging, paternal age effect, sperm methylation

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Launched in 2009, Aging-US publishes papers of general interest and biological significance in all fields of aging research and age-related diseases, including cancer—and now, with a special focus on COVID-19 vulnerability as an age-dependent syndrome. Topics in Aging-US go beyond traditional gerontology, including, but not limited to, cellular and molecular biology, human age-related diseases, pathology in model organisms, signal transduction pathways (e.g., p53, sirtuins, and PI-3K/AKT/mTOR, among others), and approaches to modulating these signaling pathways.

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