Table 3. List of CMP and/or mitochondrial disease-associated variants with potential pathogenicity detected in Malaysian CMP patients.
| Variant | Gene | Complex | AA change | MITOMAP AF | gnomAD AF | Haplogroup variant | CMP patients | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Frequency, n (%) | Haplogroup | |||||||||
| DCM (N = 87) | HCM (N = 58) | Total (N = 145) | ||||||||
| m.1555A>G | MT-RNR1 | – | – | 0.0002 | 0.0011 | – | 0 (0.0) | 1 (1.7) | 1 (0.7) | E1a2 |
| m.2905A>G | MT-RNR2 | – | – | 0.0004 | 0.0004 | C7a1d | 1 (1.1) | 0 (0.0) | 1 (0.7) | B5a1b1 |
| m.3202T>C | MT-RNR2 | – | – | 0.0006 | 0.0023 | A2k | 0 (0.0) | 1 (1.7) | 1 (0.7) | F2d |
| m.3397A>G | MT-ND1 | I | Met → Val | 0.0030 | 0.0015 | C5b1a, HV17, M27c, R0a2j, U5b2a4 | 2 (2.3) | 0 (0.0) | 2 (1.4) | M26, H13a2a |
| m.4316A>G | MT-TI | – | – | 0.0007 | 0.0004 | – | 0 (0.0) | 1 (1.7) | 1 (0.7) | M17c |
| m.6340C>T | MT-CO1 | IV | Thr → Ile | 0.0016 | 0.0010 | – | 0 (0.0) | 3 (5.2) | 3 (2.1) | M7c2, B5a1b1 |
| m.9025G>A | MT-ATP6 | V | Gly → Ser | 0.0006 | 0.0008 | – | 1 (1.1) | 0 (0.0) | 1 (0.7) | B5a1c |
| m.9214A>C | MT-CO3 | IV | His → Pro | 0.0002 | 0.0000 | – | 0 (0.0) | 1 (1.7) | 1 (0.7) | M13c |
| m.9804G>A | MT-CO3 | IV | Ala → Thr | 0.0030 | 0.0036 | H5a1g1, H6c | 1 (1.1) | 0 (0.0) | 1 (0.7) | M59 |
| m.9856T>C | MT-CO3 | IV | Ile → Thr | 0.0003 | 0.0003 | – | 0 (0.0) | 1 (1.7) | 1 (0.7) | R9b1a3 |
| m.10237T>C | MT-ND3 | I | Ile → Thr | 0.0016 | 0.0018 | H6a1a4, H90, J2a1a1a1, L0d1a1c | 1 (1.1) | 0 (0.0) | 1 (0.7) | M7c1c3 |
| m.11084A>G | MT-ND4 | I | Thr → Ala | 0.0040 | 0.0017 | A15a, M7a1a, M2a1a1a, M28a2, M52a1b1, J1b4a, C1b13a1, H1bk | 0 (0.0) | 1 (1.7) | 1 (0.7) | B4c1b2a2 |
| m.11087T>C | MT-ND4 | I | Phe → Leu | 0.0019 | 0.0010 | H1j1b, J1c5f, L0d1b2b1a | 0 (0.0) | 1 (1.7) | 1 (0.7) | M81 |
| m.11361T>C | MT-ND4 | I | Met → Thr | 0.0004 | 0.0002 | – | 1 (1.1) | 0 (0.0) | 1 (0.7) | M12a1b |
| m.11778G>A | MT-ND4 | I | Arg → His | 0.0036 | 0.0002 | T3, X2p1 | 1 (1.1) | 0 (0.0) | 1 (0.7) | M59 |
| m.14420C>T | MT-ND6 | I | Gly → Glu | 0.0002 | 0.0023 | H1h2, U5b1c1a1 | 0 (0.0) | 1 (1.7) | 1 (0.7) | G1c2 |
| m.14894T>C | MT-CYB | III | Phe → Leu | 0.0002 | 0.0003 | L2a3 | 0 (0.0) | 1 (1.7) | 1 (0.7) | U2c1 |
Note:
AA, amino acid; AF, allele frequency; variant(s) in bold is confirmed pathogenic.