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October 19, 2024

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UNDERSTANDING ACMG GUIDELINES & CLINICAL CLASSIFICATION OF GENETIC VARIANTS

March 19, 2026

“𝓝𝓸 𝓼𝓲𝓷𝓰𝓵𝓮 𝓵𝓪𝓫𝓸𝓻𝓪𝓽𝓸𝓻𝔂 𝓱𝓪𝓼 𝓮𝓷𝓸𝓾𝓰𝓱 𝓭𝓪𝓽𝓪; 𝓬𝓸𝓵𝓵𝓪𝓫𝓸𝓻𝓪𝓽𝓲𝓿𝓮 𝓬𝓾𝓻𝓪𝓽𝓲𝓸𝓷 𝓲𝓼 𝓽𝓱𝓮 𝓯𝓾𝓽𝓾𝓻𝓮 𝓸𝓯 𝓰𝓮𝓷𝓸𝓶𝓲𝓬 𝓶𝓮𝓭𝓲𝓬𝓲𝓷𝓮.” - Professor Heidi Rehm 🧬 Genomic medicine has moved from discovery to daily clinical decision-making. At the center of this shift are the 2015 standards from the American College of Medical Genetics & Genomics (ACMG), which established a structured framework for interpreting sequence variants. 🔹 Genetic variants influence disease risk, diagnosis, prognosis, & therapeutic strategy. Without standardized interpretation, clinical decisions become inconsistent. The ACMG/AMP framework addresses this by integrating multiple evidence streams into five categories: 1. Pathogenic (Class 5) 2. Likely Pathogenic (Class 4) 3. Variant of Uncertain Significance [VUS] (Class 3) 4. Likely Benign (Class 2) 5. Benign (Class 1) This tiered system reduces interpretive subjectivity & improves reproducibility...

ERYTHEMA INFECTIOSUM

May 13, 2024

"YOU MADE IT THROUGH PANDEMICS, BUT THERE'S STILL A FIFTH DISEASE" 🧬 Erythema Infectiosum, also known as Fifth Disease, is a viral infection caused by parvovirus B19. It is most common in children but can affect people of all ages. The characteristic symptom of erythema infectiosum is a distinctive rash on the cheeks giving a "slapped cheek" appearance, followed by a lacy rash on the trunk and limbs. 🔬Diagnosis of erythema infectiosum is usually based on the characteristic rash and a history of exposure to the virus. In some cases, blood tests may be done to confirm the presence of parvovirus B19 antibodies. 💊 Treatment for erythema infectiosum is usually symptomatic, as the infection typically resolves on its own. Rest, fluids, and over-the-counter pain relievers may be recommended to alleviate symptoms. 💉 Preventing the spread of erythema infectios...

BALANCED TRANSLOCATION

May 24, 2024

"AN EXCHANGE CAN HAPPEN WITHOUT A GAIN OR LOSS, YET IT MAY PRODUCE SOME UNEXPECTED SIDE EFFECTS" 🧬 Balanced translocation is a type of chromosomal rearrangement where two segments of chromosomes are exchanged without any loss or gain of genetic material. This results in a rearrangement of genetic material within the chromosomes without any significant disruption. Balanced translocations typically involve the exchange of segments between non-homologous chromosomes, meaning that the segments are exchanged between different pairs of chromosomes. 🔹 Individuals with balanced translocations often do not display any outward physical signs or symptoms, as the total amount of genetic material remains the same. However, balanced translocations can have implications for health and reproduction. In some cases, balanced translocations can lead to infertility, recurrent miscarriages, or the potential for offspring to inherit unbalanced translocations, which do invo...