G11778A-F131

**Figure 1\. Pedigree diagram for family G11778A\-F131\.**

![](/media/202606/20260630163757043362.png)

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# Pedigree Information

| **No.** | **Position** | **Variant** | **Family ID** | **Nationality** | **Diseases** | **Unaffected Maternal Relatives** | **Affected Maternal Relatives** | **Publication Year** | **PMID/Ref** | **Note** |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | 11778 | m.11778G\>A | G11778A\-F131 | UK | LHON; childhood onset | ND | ND | 1993 | [8474822](https://pubmed.ncbi.nlm.nih.gov/8474822/) |  |

The **m.11778G\>A** variant in MT\-ND4 was reported in family G11778A\-F131 from UK with lhon; childhood onset. The pedigree record reported ND unaffected and ND affected maternal relatives, and the carrier table includes 4 listed carriers. Homoplasmy was reported in 0/4 listed carriers; 1/4 carriers were affected, and the main clinical manifestation among affected carriers was severe childhood visual loss, bilateral optic atrophy.

# 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 | 11778 | m.11778G\>A | G11778A\-F131 | G11778A\-F131\-II1 | Fam | M | Y | Y | A | 7 | Heteroplasmic | / | / | / | Severe childhood visual loss; bilateral optic atrophy | Original ID: Patient had |
| 2 | 11778 | m.11778G\>A | G11778A\-F131 | G11778A\-F131\-II2 | Fam | F | N | N | A | ND | Heteroplasmic | / | / | / | Healthy |  |
| 3 | 11778 | m.11778G\>A | G11778A\-F131 | G11778A\-F131\-II3 | Fam | M | N | N | A | 10 | Heteroplasmic | / | / | / | Healthy |  |
| 4 | 11778 | m.11778G\>A | G11778A\-F131 | G11778A\-F131\-II4 | Fam | M | N | N | A | 3 | Heteroplasmic | / | / | / | Healthy |  |

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