Genetic analyses of the NF1 gene in Turkish neurofibromatosis type I patients and definition of three novel variants
, , , , , , , , e | 30 giu 2017
INFORMAZIONI SU QUESTO ARTICOLO
Article Category: Original Article
Pubblicato online: 30 giu 2017
Pagine: 13 - 20
DOI: https://doi.org/10.1515/bjmg-2017-0008
Parole chiave
© 2017 Ulusal SD, Gürkan H, Atlı E, Özal SA, Çiftdemir M, Tozkır H, Karal Y, Güçlü H, Eker D, Görker I
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Figure 1
Figure 2
![Distribution of mutations (black points) of patients (#) through the domains of neurofibromin. CSRD: cysteine-serine rich domain; TBD: tubulin binding domain; GRD: GAP-related domain; CTD: C-terminal domain; SBD: syndecan binding domain (domain structure is adapted from Ratner and Miller [7]).](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/6471077b2b88470fbea1447f/j_bjmg-2017-0008_fig_002.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Date=20240718T093306Z&X-Amz-SignedHeaders=host&X-Amz-Expires=18000&X-Amz-Credential=AKIA6AP2G7AKP25APDM2%2F20240718%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Signature=fb10049aed7cf3ad603b03357185582ec983ba18bf896c033da7648fb3d7177d)
Clinical and demographic informations of the index patients that we did not define a pathogenic variant
| # | Sex-Age | NIH Criteria | Additional Findings |
|---|---|---|---|
| #18 | F-19 | a | afebrile convulsion; glial tumor |
| #19 | M-17 | a; b | none |
| #20 | M-6 | a; b | none |
| #21 | F-4 | a | none |
| #22 | M-2 | a | none |
| #23 | M-16 | a | T2 flair hyperintensive signals in the brain |
| #24 | M-15 | c | dysmorphic appearance of the face |
Mutations found in the patients and their clinical features.
| # | Sex-Age | NIH Criteria | Additional Findings | Pathogenic Variant (NM_000267) | Genetic Analysis | Ref. |
|---|---|---|---|---|---|---|
| #1 | M-3 | a; f | none | c.311T>G; p.(Leu104Ter) | NA | |
| #2 | F-13 | a | learning disability | c.731-1G>C | NA | |
| #3 | M-7 | a; b; e; g | none | c.1541_1542delAG; p.(Gln514Argfs) | NA | |
| #4 | M-1 | a | none | c.2693C>T; p.Leu898Pro | NA | |
| #5 | M-7 | a; b; g | none | c.3113+1G>C | NA | |
| #6 | F-8 | a; c; g | T2 flair hyperintense signals in left globus palliadus level | c.3230_3230delT; p.(Ser1078Hisfs*3) | NA | This report |
| #7 | F-52 | a; b; d | none | c.3709-2A>G | NA | |
| #8 | F-7 mths | a; b; f; g | none | c.4082delT; p.Leu1601Cysfs*2) | paternally inherited | |
| #9 | M-41 | a; b | none | c.4867G>C; p.(Asp1623His) | NA | |
| #10 | M-7 | a; d | surgery due to severe bowel obstruction; T2 flair hyper-intense signals in both cerebellar hemispheres | c.5389C>T; p.(Arg1947Ter) | NA | |
| #11 | F-17 | a; e | coroidal coloboma on the left eye | c.5546+5G>A | NA | |
| #12 | F-2 | a | convulsion | c.5630T>A; p.(Leu1877*) | paternally inherited | This report |
| #13 | M-4 | a | epileptic seizures; low grade tumor | c.6709C>T; p.(Arg2237Ter) | NA | |
| #14 | M-2 | a; b | none | c.6756+1G>T | ||
| #15 | F-33 | a; b; e; g | none | c.7096_7101del; p.(Asn2366_Phe2367del) | ||
| #16 | F-13 | a; b; e | none | c.7395-2A>G | maternally inherited | |
| #17 | M-7 | a; d | none | Entire gene deletion |
Findings of familial patients.
| # | Sex-Age | NIH Criteria | Additional Findings | Pathogenic Variant (NM_000267) |
|---|---|---|---|---|
| #6 |
F-8 |
a; c; g |
none |
c 3230_3230de1IT; p (Ser1078Wiefe*3) |
| #8 |
F-7 mths |
a; b; f; g |
none |
c.4802de1T; p.(Leu1601Cysis*2) |
| #12 |
F-2 |
a |
afebrile convulsion |
c.5630T>A; p.(Leu1877*) |
| #15 |
F-33 |
a; b; d; g |
ptosis in his left eye |
c.7096_7101de1; p.(Asn2366_Phe2367de1) |
| #16 |
F-13 |
a; b; d; g |
none |
C.7395-2A>G |