G617A-F1

**Figure 1\. Pedigree diagram for family G617A\-F1\.**

![](/media/202607/G617A-F1-pedigree_20260701022949387371.png#size=100%&align=left)

# Pedigree Information

| **No.** | **Position** | **Variant** | **Family ID** | **Nationality** | **Diseases** | **Unaffected Maternal Relatives** | **Affected Maternal Relatives** | **Publication Year** | **PMID/Ref** | **Note** |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | 617 | m.617G\>A | G617A\-F1 | Japan | Encephalomyopathy, progressive carotid artery stenosis, recurrent ischemic stroke | 2 | 0 | 2009 | [19091329](https://pubmed.ncbi.nlm.nih.gov/19091329/) |  |

The **m.617G\>A** variant in MT\-TF was reported in family G617A\-F1 from Japan with encephalomyopathy, progressive carotid artery stenosis, recurrent ischemic stroke. The pedigree record reported 2 unaffected and 0 affected maternal relatives, and the carrier table includes 3 listed carriers. Homoplasmy was reported in 0/3 listed carriers; 1/3 carriers were affected, and the main clinical manifestation among affected carriers was encephalomyopathy with recurrent embolic ischemic strokes and progressive carotid artery stenosis, mental retardation, hearing impairment, diabetes, cataract.

# Carrier Information

| **No.** | **Position** | **Variant** | **Family ID** | **Carrier ID** | **Type (Fam/De novo/Uninf)** | **Gender (F/M)** | **Proband (Y/N)** | **Affected (Y/N)** | **Die/Alive(D/A)** | **Age** | **Blood Mutant Level** | **Muscle Mutant level** | **Urine Mutant level** | **Other Mutant level** | **Clinical Features** | **Note** |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | 617 | m.617G\>A | G617A\-F1 | G617A\-F1\-II2 | Fam | M | Y | Y | A | 40 | 50% | 74% | / | / | Encephalomyopathy with recurrent embolic ischemic strokes and progressive carotid artery stenosis; mental retardation, hearing impairment, diabetes, cataract |  |
| 2 | 617 | m.617G\>A | G617A\-F1 | G617A\-F1\-II1 | Fam | M | N | N | A | ND | 10\.5% | / | / | / | Healthy |  |
| 3 | 617 | m.617G\>A | G617A\-F1 | G617A\-F1\-I2 | Uninf | F | N | N | A | ND | 10\.5% | / | / | / | Healthy |  |

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