G14739A

# **General Information**

| **Position** | **14739** | **Variant** | **m.14739G\>A** | **Locus** | **MT\-TE** | **RNA** | **tRNA Glu** |
| --- | --- | --- | --- | --- | --- | --- | --- |
| **Homoplasmy** | \- | **Heteroplasmy** | \+ | **mitoTIP** | 62\.10% | **Pathogenicity** | Reported \[VUS] |

"Pathogenicity" status is derived from published literature or predictions from bioinformatics tools. Researchers and clinicians are cautioned that additional data and/or analysis may still be necessary to confirm the pathological significance of these variants. For more information, please see [Mitofam Info](https://mitofam.com/doc/385/).

# **Pedigree Information**

The **m.14739G\>A** variant in MT\-TE has been reported in 1 pedigree. To date, 1 carrier has been reported. Reported mutation loads ranged from 29% to 72%, with a median of 34\.5% overall. In one carrier, a marked tissue\-specific difference was observed, with higher mutation loads in muscle (72%) than in fibroblasts (29%). The main clinical manifestations among affected carriers included No specific clinical features were available for affected carriers..

| **No.** | **Position** | **Variant** | **Family ID** | **Nationality** | **Diseases** | **Unaffected Maternal Relatives** | **Affected Maternal Relatives** | **Publication Year** | **PMID/Ref** | **Note** |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | 14739 | m.14739G\>A | G14739A\-F1 | Austria | Slow motor development, poor running ability, appetite loss, weakness, growth retardation, mild muscle atrophy | 0 | 0 | 2006 | [17056256](https://pubmed.ncbi.nlm.nih.gov/17056256/) |  |

# **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 | 14739 | m.14739G\>A | G14739A\-F1 | G14739A\-F1\-P1 | De novo | F | Y | Y | A | 7 | 31% | 72% | 38% | 29% (F) | Slow motor development, poor running ability, appetite loss, weakness, growth retardation, mild muscle atrophy |  |

For abbreviations and other usage instructions, please see [Mitofam Info](https://mitofam.com/doc/385/).