1
|
Martínez-Hernández A, Martínez-Anaya D, Durán-McKinster C, Del Castillo-Ruiz V, Navarrete-Meneses P, Córdova EJ, Villegas-Torres BE, Ruiz-Herrera A, Juárez-Velázquez R, Yokoyama-Rebollar E, Cervantes-Barragán D, Pedraza-Meléndez A, Orozco L, Pérez-Vera P, Salas-Labadía C. Pigmentary mosaicism as a recurrent clinical manifestation in three new patients with mosaic trisomy 12 diagnosed postnatally: cases report and literature review. BMC Med Genomics 2022; 15:224. [PMCID: PMC9620619 DOI: 10.1186/s12920-022-01382-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 10/22/2022] [Indexed: 11/10/2022] Open
Abstract
Background To date, only twenty-one cases diagnosed postnatally with mosaic trisomy 12 have been reported. The most frequent phenotypic manifestations are developmental delay, dysmorphic facial features, congenital heart defects, digital alterations, and pigmentary disorders. In the present report, detailed clinical and genetic profiles of three unrelated new patients with mosaic trisomy 12 are described and compared with previously reported cases. Case presentation In the present report, we include the clinical, cytogenetic, and molecular description of three Mexican patients diagnosed postnatally with mosaic trisomy 12. At phenotypic level, the three patients present with developmental delay, dysmorphic facial features, congenital heart defects and skin pigmentary anomalies. Particularly, patient 1 showed unique eye alterations as bilateral distichiasis, triple rows of upper lashes, and digital abnormalities. In patient 2 redundant skin, severe hearing loss, and hypotonia were observed, and patient 3 presented with hypertelorism and telecanthus. Hyperpigmentation with disseminated pigmentary anomalies is a common trait in all of them. The cytogenetic study was carried out under the strict criteria of analysis, screening 50–100 metaphases from three different tissues, showing trisomy 12 mosaicism in at least one of the three different tissues analyzed. With SNParray, the presence of low-level mosaic copy number variants not previously detected by cytogenetics, and uniparental disomy of chromosome 12, was excluded. STR markers allowed to confirm the absence of uniparental disomy as well as to know the parental origin of supernumerary chromosome 12. Conclusions The detailed clinical, cytogenetic, and molecular description of these three new patients, contributes with relevant information to delineate more accurately a group of patients that show a heterogeneous phenotype, although sharing the same chromosomal alteration. The possibility of detecting mosaic trisomy 12 is directly associated with the sensitivity of the methodology applied to reveal the low-level chromosomal mosaicism, as well as with the possibility to perform the analysis in a suitable tissue.
Collapse
Affiliation(s)
- A. Martínez-Hernández
- grid.452651.10000 0004 0627 7633Laboratorio de Inmunogenómica y Enfermedades Metabólicas, Instituto Nacional de Medicina Genómica SS, Ciudad de Mexico, México
| | - D. Martínez-Anaya
- grid.419216.90000 0004 1773 4473Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, Ciudad de Mexico, 04530 México
| | - C. Durán-McKinster
- grid.419216.90000 0004 1773 4473Departamento de Dermatología, Instituto Nacional de Pediatría, Ciudad de Mexico, México
| | - V. Del Castillo-Ruiz
- grid.419216.90000 0004 1773 4473Departamento de Genética Humana, Instituto Nacional de Pediatría, Ciudad de Mexico, México
| | - P. Navarrete-Meneses
- grid.419216.90000 0004 1773 4473Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, Ciudad de Mexico, 04530 México
| | - E. J. Córdova
- grid.452651.10000 0004 0627 7633Consorcio de Oncogenómica, Instituto Nacional de Medicina Genómica SS, Ciudad de Mexico, México
| | - B. E. Villegas-Torres
- grid.452651.10000 0004 0627 7633Instituto Nacional de Medicina Genómica SS, Ciudad de Mexico, México
| | - A. Ruiz-Herrera
- grid.414465.6Hospital de Especialidades Pediátrico de León, León, Guanajuato, México
| | - R. Juárez-Velázquez
- grid.419216.90000 0004 1773 4473Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, Ciudad de Mexico, 04530 México
| | - E. Yokoyama-Rebollar
- grid.419216.90000 0004 1773 4473Departamento de Genética Humana, Instituto Nacional de Pediatría, Ciudad de Mexico, México
| | - D. Cervantes-Barragán
- grid.502779.e0000 0004 0633 6373Hospital Central Sur de Alta Especialidad, PEMEX, Ciudad de Mexico, México
| | - A. Pedraza-Meléndez
- grid.9486.30000 0001 2159 0001Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Ciudad de Mexico, México
| | - L. Orozco
- grid.452651.10000 0004 0627 7633Laboratorio de Inmunogenómica y Enfermedades Metabólicas, Instituto Nacional de Medicina Genómica SS, Ciudad de Mexico, México
| | - P. Pérez-Vera
- grid.419216.90000 0004 1773 4473Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, Ciudad de Mexico, 04530 México
| | - C. Salas-Labadía
- grid.419216.90000 0004 1773 4473Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, Ciudad de Mexico, 04530 México
| |
Collapse
|
2
|
Garza-Mayén G, Ulloa-Avilés V, Villarroel CE, Navarrete-Meneses P, Lieberman-Hernández E, Abreu-González M, Márquez-Quiroz L, Azotla-Vilchis C, Cifuentes-Goches JC, Del Castillo-Ruiz V, Durán-McKinster C, Pérez-Vera P, Salas-Labadía C. UPD(14)mat and UPD(14)mat in concomitance with mosaic small supernumerary marker chromosome 14 in two new patients with Temple syndrome. Eur J Med Genet 2021; 64:104199. [PMID: 33746039 DOI: 10.1016/j.ejmg.2021.104199] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 03/03/2021] [Accepted: 03/14/2021] [Indexed: 10/21/2022]
Abstract
Temple syndrome (TS14) can be originated by maternal uniparental disomy (UPD(14)mat), paternal deletion, or epimutation, leading to disturbances in 14q32.2 imprinted region. The most frequent phenotypic manifestations are prenatal and postnatal growth failure, hypotonia, developmental delay, small hands/feet, precocious puberty, and truncal obesity. However, the diagnosis can be challenging due to the clinical overlap with other imprinting disorders such as Silver-Russell or Prader-Willi syndromes. Although rare, TS14 has been also reported in patients with concomitant UPD(14)mat and mosaic trisomy 14. In the present report, the clinical and genetic profiles of two new patients with TS14 are described. SNParray and MS-MLPA, allowed the determination of segmental UPD(14)mat and the hypomethylation of MEG3 gene. Additionally, in one of our patients we also observed by cytogenetics a small supernumerary marker chromosome that led to partial trisomy 14 in mosaic. Only few patients with concomitant UPD(14)mat and mosaic partial trisomy 14 have been reported. Our patients share cardinal TS14 phenotypic features that are associated to the genetic abnormalities detected; however, we also observed some clinical features such as fatty liver disease that had not previously been reported as part of this syndrome. The detailed clinical, cytogenetical and molecular description of these two new patients, contributes to a more accurately delineation of this syndrome.
Collapse
Affiliation(s)
- G Garza-Mayén
- Departamento de Genética Humana, Instituto Nacional de Pediatría. Ciudad de México, Mexico.
| | - V Ulloa-Avilés
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría. Ciudad de México, 04530, Mexico
| | - C E Villarroel
- Departamento de Genética Humana, Instituto Nacional de Pediatría. Ciudad de México, Mexico
| | - P Navarrete-Meneses
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría. Ciudad de México, 04530, Mexico
| | - E Lieberman-Hernández
- Departamento de Genética Humana, Instituto Nacional de Pediatría. Ciudad de México, Mexico
| | - M Abreu-González
- Genos Médica, Centro Especializado en Genética. Ciudad de México, Mexico
| | - L Márquez-Quiroz
- Genos Médica, Centro Especializado en Genética. Ciudad de México, Mexico
| | - C Azotla-Vilchis
- Genos Médica, Centro Especializado en Genética. Ciudad de México, Mexico
| | | | - V Del Castillo-Ruiz
- Departamento de Genética Humana, Instituto Nacional de Pediatría. Ciudad de México, Mexico
| | - C Durán-McKinster
- Departamento de Dermatología, Instituto Nacional de Pediatría. Ciudad de México, Mexico
| | - P Pérez-Vera
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría. Ciudad de México, 04530, Mexico.
| | - C Salas-Labadía
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría. Ciudad de México, 04530, Mexico.
| |
Collapse
|
3
|
Salas-Labadía C, Gómez-Carmona S, Cruz-Alcívar R, Martínez-Anaya D, Del Castillo-Ruiz V, Durán-McKinster C, Ulloa-Avilés V, Yokoyama-Rebollar E, Ruiz-Herrera A, Navarrete-Meneses P, Lieberman-Hernández E, González-Del Angel A, Cervantes-Barragán D, Villarroel-Cortés C, Reyes-León A, Suárez-Pérez D, Pedraza-Meléndez A, González-Orsuna A, Pérez-Vera P. Genetic and clinical characterization of 73 Pigmentary Mosaicism patients: revealing the genetic basis of clinical manifestations. Orphanet J Rare Dis 2019; 14:259. [PMID: 31730496 PMCID: PMC6858688 DOI: 10.1186/s13023-019-1208-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Accepted: 09/24/2019] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Pigmentary mosaicism constitutes a heterogeneous group of skin pigmentation alterations associated with multisystem involvement. The aim of this study was to establish a complete cytogenetic and molecular characterization of PM patients, emphasizing on searching for possible low chromosomal mosaicism and on establishing an accurate genotype-phenotype correlation. RESULTS A total of 73 patients were included (3 months to 18 years of age), 52% male and 48% female. Observed in 69 (95%) patients, the most frequent pattern of pigmentation was fine and whorled BL, which was associated with disseminated skin extent in 41 (59%) patients. Central nervous system (84%) alterations were the most frequent observed in the group of patients, followed by the musculoskeletal (53%) and ophthalmologic (27%) alterations. Considering the pattern of pigmentation, no significant differences in association with skin extent or extracutaneous manifestations were detected. Following a strict cytogenetic analysis strategy, screening metaphases from three different tissues (peripheral blood, hyperpigmented and hypopigmented skin) we found that 23/73 patients had chromosomal abnormalities classified as follows: 1) Mosaic with 2 or more different cell lines with structural alterations n = 19; 2) Polyploidy (mosaic) n = 1 and 3) Alterations in all cells in three different tissues n = 3. SNP array, array CGH and FISH were useful for the complete characterization of the chromosomal aberrations, for the detection of microdeletions in patients with normal karyotype but with strong clinical suspicious of chromosomal alteration, and for a better establishment of genotype-phenotype correlation. In 2 patients we found genes associated with some of the extracutaneous manifestations (SHH, MNX1, PPP2R2C). CONCLUSIONS This group of 73 patients finely described is the largest series of patients with pigmentary mosaicism reported worldwide. As we showed in this study, the followed analysis strategy allowed the detection of cytogenetic and molecular abnormalities, and made possible the establishment of genotype-phenotype associations in some patients. An important limitation of our study was the analysis of fibroblasts cultures instead of melanocytes and keratinocytes. In some cases the direct molecular DNA analysis of skin biopsy could be another choice.
Collapse
Affiliation(s)
- C Salas-Labadía
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, 04530, Ciudad de México, Mexico.
| | - S Gómez-Carmona
- Departamento de Genética Médica, Centro de Rehabilitación e Inclusión Infantil Teletón, Tuxtla Gutiérrez, Chiapas, Mexico.,Departamento de Genética Humana, Instituto Nacional de Pediatría, Ciudad de México, Mexico
| | - R Cruz-Alcívar
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, 04530, Ciudad de México, Mexico.,Laboratorio de Citogenética, Genos Médica, Centro Especializado en Genética, Ciudad de México, Mexico.,Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - D Martínez-Anaya
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, 04530, Ciudad de México, Mexico
| | - V Del Castillo-Ruiz
- Departamento de Genética Humana, Instituto Nacional de Pediatría, Ciudad de México, Mexico
| | - C Durán-McKinster
- Departamento de Dermatología, Instituto Nacional de Pediatría, Ciudad de México, Mexico
| | - V Ulloa-Avilés
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, 04530, Ciudad de México, Mexico
| | - E Yokoyama-Rebollar
- Departamento de Genética Humana, Instituto Nacional de Pediatría, Ciudad de México, Mexico
| | - A Ruiz-Herrera
- Hospital de Especialidades Pediátrico de León, León, Guanajuato, Mexico
| | - P Navarrete-Meneses
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, 04530, Ciudad de México, Mexico
| | - E Lieberman-Hernández
- Departamento de Genética Humana, Instituto Nacional de Pediatría, Ciudad de México, Mexico
| | - A González-Del Angel
- Laboratorio de Biología Molecular, Departamento de Genética Humana, Instituto Nacional de Pediatría, Ciudad de México, Mexico
| | | | - C Villarroel-Cortés
- Departamento de Genética Humana, Instituto Nacional de Pediatría, Ciudad de México, Mexico
| | - A Reyes-León
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, 04530, Ciudad de México, Mexico
| | - D Suárez-Pérez
- Departamento de Genética Humana, Instituto Nacional de Pediatría, Ciudad de México, Mexico
| | - A Pedraza-Meléndez
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, 04530, Ciudad de México, Mexico.,Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - A González-Orsuna
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, 04530, Ciudad de México, Mexico
| | - P Pérez-Vera
- Laboratorio de Genética y Cáncer, Departamento de Genética Humana, Instituto Nacional de Pediatría, 04530, Ciudad de México, Mexico.
| |
Collapse
|