Una nuova ricerca presentata al meeting dell'American Association of Physical Anthropologists

L’anzianità del papà protegge il nascituro da malattie e invecchiamento

di oggisalute | 8 maggio 2012 | pubblicato in Attualità
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I padri più anziani vengono spesso incolpati di ‘passare’ informazioni genetiche ai figli responsabili di autismo e schizofrenia. Ora una nuova ricerca presentata al meeting dell’American Association of Physical Anthropologists rivela che i padri di età avanzata hanno figli
più sani di quanto si pensi: con l’invecchiamento, si allungano infatti anche i telomeri, sequenze di DNA non codificante alle estremità dei cromosomi che proteggono da invecchiamento e malattie.

Per ogni decade in più dei padri al momento del concepimento, i telomeri dei figli e delle figlie si allungherebbero infatti del 4 per cento. Come riporta la rivista Science, secondo i ricercatori l’effetto si amplifica con le generazioni: anche l’età di paternità del nonno è associata alla lunghezza dei telomeri dei suoi nipoti.

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