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Last Posted: Oct 24, 2023
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Social and physical predictors of mental health impact in adult women who have an FMR1 premutation
C Kraan et al, Genetics in Med Open, August 26, 2023

From the abstract: "Clear understanding of mental health phenotypes and associated socioeconomic, physical health and wellbeing impacts in adult women with an FMR1 premutation (PM) is needed for counselling and primary healthcare. This is a survey of 137 participants. Depression was found in ~30% and social anxiety in ~38%. With depression status the outcome variable, strongest associations were for low education, diagnosis of migraine, diagnosis of irritable bowel syndrome (IBS) and self-reported hearing loss symptoms."

A Parent’s Guide to Genetics and Hearing Loss
CDC, 2023 Brand

About 1 in 500 infants are born with or develop hearing loss during early childhood. Screening for hearing loss is considered standard care in the United States and in 2019 over 98% of children were screened, usually before leaving the hospital. Hearing loss has many causes, including genetic causes (that is, caused by the instructions in the baby’s cells) and non-genetic causes (such as certain infections the mother has during pregnancy or infections affecting the newborn baby).

Implementation of Population-Based Genetic Testing of Newborn Infants for Prediction of Hearing Loss in Ontario, Canada
CDC Webinar, April 19, 2023 Brand

In 2019, Newborn Screening Ontario launched a novel screening approach for genetic permanent hearing loss (PHL) risk involving universal testing of newborn dried blood spots for a panel of penetrant GJB2 and SLC26A4 variants associated with congenital or very early onset PHL. In July 2020, the less penetrant and relatively frequent GJB2 V37I variant was added to the panel. Babies homozygous for this variant, or heterozygous for this variant and a penetrant variant, are estimated to be at ~20% risk for congenital hearing loss and ~50% risk of developing moderate or more severe PHL by age 5.

Rare-variant association analysis reveals known and new age-related hearing loss genes
DMC Sanchez et al, EJHG, February 15, 2023

We analyzed exome and imputed data from white-European UK Biobank volunteers, performing both single-variant and rare-variant aggregate association analyses using self-reported ARHL phenotypes. We identified and replicated associations between ARHL and rare-variants in KLHDC7B, PDCD6, MYO6, SYNJ2, and TECTA. PUS7L and EYA4 also revealed rare-variant associations with ARHL. EYA4, MYO6, and TECTA are all known to underline Mendelian nonsyndromic HL. PDCD6, a new HL gene, plays an important role in apoptosis and has widespread inner ear expression, particularly in the inner hair cells.

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Disclaimer: Articles listed in the Public Health Genomics and Precision Health Knowledge Base are selected by the CDC Office of Public Health Genomics to provide current awareness of the literature and news. Inclusion in the update does not necessarily represent the views of the Centers for Disease Control and Prevention nor does it imply endorsement of the article's methods or findings. CDC and DHHS assume no responsibility for the factual accuracy of the items presented. The selection, omission, or content of items does not imply any endorsement or other position taken by CDC or DHHS. Opinion, findings and conclusions expressed by the original authors of items included in the update, or persons quoted therein, are strictly their own and are in no way meant to represent the opinion or views of CDC or DHHS. References to publications, news sources, and non-CDC Websites are provided solely for informational purposes and do not imply endorsement by CDC or DHHS.

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