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Intellectual disability, autosomal recessive 7(MRT7)

MedGen UID:
370847
•Concept ID:
C1970197
•
Mental or Behavioral Dysfunction
Synonyms: INTELLECTUAL DEVELOPMENTAL DISORDER, AUTOSOMAL RECESSIVE 7; MENTAL RETARDATION, AUTOSOMAL RECESSIVE 22; MRT7
 
Gene (location): TUSC3 (8p22)
 
Monarch Initiative: MONDO:0012615
OMIM®: 611093

Definition

Any autosomal recessive non-syndromic intellectual disability in which the cause of the disease is a mutation in the TUSC3 gene. [from MONDO]

Clinical features

From HPO
Intellectual disability, severe
MedGen UID:
48638
•Concept ID:
C0036857
•
Mental or Behavioral Dysfunction
Severe mental retardation is defined as an intelligence quotient (IQ) in the range of 20-34.
See: Feature record | Search on this feature
Global developmental delay
MedGen UID:
107838
•Concept ID:
C0557874
•
Finding
A delay in the achievement of motor or mental milestones in the domains of development of a child, including motor skills, speech and language, cognitive skills, and social and emotional skills. This term should only be used to describe children younger than five years of age.
See: Feature record | Search on this feature
Intellectual disability
MedGen UID:
811461
•Concept ID:
C3714756
•
Mental or Behavioral Dysfunction
Intellectual disability, previously referred to as mental retardation, is characterized by subnormal intellectual functioning that occurs during the developmental period. It is defined by an IQ score below 70.
See: Feature record | Search on this feature
Microcephaly
MedGen UID:
1644158
•Concept ID:
C4551563
•
Finding
Head circumference below 2 standard deviations below the mean for age and gender.
See: Feature record | Search on this feature
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Professional guidelines

PubMed

Genotype-phenotype correlation in contactin-associated protein-like 2 (CNTNAP-2) developmental disorder.
D'Onofrio G, Accogli A, Severino M, Caliskan H, Kokotović T, Blazekovic A, Jercic KG, Markovic S, Zigman T, Goran K, Barišić N, Duranovic V, Ban A, Borovecki F, Ramadža DP, Barić I, Fazeli W, Herkenrath P, Marini C, Vittorini R, Gowda V, Bouman A, Rocca C, Alkhawaja IA, Murtaza BN, Rehman MMU, Al Alam C, Nader G, Mancardi MM, Giacomini T, Srivastava S, Alvi JR, Tomoum H, Matricardi S, Iacomino M, Riva A, Scala M, Madia F, Pistorio A, Salpietro V, Minetti C, Rivière JB, Srour M, Efthymiou S, Maroofian R, Houlden H, Vernes SC, Zara F, Striano P, Nagy V
Hum Genet 2023 Jul;142(7):909-925. Epub 2023 May 14 doi: 10.1007/s00439-023-02552-2. PMID: 37183190Free PMC Article
Genotype-phenotype correlation in Phelan-McDermid syndrome: A comprehensive review of chromosome 22q13 deleted genes.
Ricciardello A, Tomaiuolo P, Persico AM
Am J Med Genet A 2021 Jul;185(7):2211-2233. Epub 2021 May 5 doi: 10.1002/ajmg.a.62222. PMID: 33949759Free PMC Article
Clinical and genetic characteristics and prenatal diagnosis of patients presented GDD/ID with rare monogenic causes.
Lin L, Zhang Y, Pan H, Wang J, Qi Y, Ma Y
Orphanet J Rare Dis 2020 Nov 11;15(1):317. doi: 10.1186/s13023-020-01599-y. PMID: 33176815Free PMC Article

Recent clinical studies

Etiology

Next-Generation Sequencing in Unexplained Intellectual Disability.
Sandal S, Verma IC, Mahay SB, Dubey S, Sabharwal RK, Kulshrestha S, Saxena R, Suman P, Kumar P, Puri RD
Indian J Pediatr 2024 Jul;91(7):682-695. Epub 2023 Oct 7 doi: 10.1007/s12098-023-04820-5. PMID: 37804371
Auditory phenotype of Smith-Lemli-Opitz syndrome.
Zalewski CK, Sydlowski SA, King KA, Bianconi S, Dang Do A, Porter FD, Brewer CC
Am J Med Genet A 2021 Apr;185(4):1131-1141. Epub 2021 Feb 2 doi: 10.1002/ajmg.a.62087. PMID: 33529473Free PMC Article
Smith-Lemli-Opitz syndrome: clinical and biochemical correlates.
Donoghue SE, Pitt JJ, Boneh A, White SM
J Pediatr Endocrinol Metab 2018 Mar 28;31(4):451-459. doi: 10.1515/jpem-2017-0501. PMID: 29455191
Nijmegen breakage syndrome (NBS).
Chrzanowska KH, Gregorek H, Dembowska-Bagińska B, Kalina MA, Digweed M
Orphanet J Rare Dis 2012 Feb 28;7:13. doi: 10.1186/1750-1172-7-13. PMID: 22373003Free PMC Article
Smith-Lemli-Opitz syndrome.
DeBarber AE, Eroglu Y, Merkens LS, Pappu AS, Steiner RD
Expert Rev Mol Med 2011 Jul 22;13:e24. doi: 10.1017/S146239941100189X. PMID: 21777499Free PMC Article

Diagnosis

Spectrum of neuro-genetic disorders in the United Arab Emirates national population.
Saleh S, Beyyumi E, Al Kaabi A, Hertecant J, Barakat D, Al Dhaheri NS, Al-Gazali L, Al Shamsi A
Clin Genet 2021 Nov;100(5):573-600. Epub 2021 Aug 19 doi: 10.1111/cge.14044. PMID: 34374989
Phenylketonuria.
van Spronsen FJ, Blau N, Harding C, Burlina A, Longo N, Bosch AM
Nat Rev Dis Primers 2021 May 20;7(1):36. doi: 10.1038/s41572-021-00267-0. PMID: 34017006Free PMC Article
Auditory phenotype of Smith-Lemli-Opitz syndrome.
Zalewski CK, Sydlowski SA, King KA, Bianconi S, Dang Do A, Porter FD, Brewer CC
Am J Med Genet A 2021 Apr;185(4):1131-1141. Epub 2021 Feb 2 doi: 10.1002/ajmg.a.62087. PMID: 33529473Free PMC Article
Spastic ataxias.
Bereznyakova O, Dupré N
Handb Clin Neurol 2018;155:191-203. doi: 10.1016/B978-0-444-64189-2.00012-3. PMID: 29891058
Diagnostic Yield and Novel Candidate Genes by Exome Sequencing in 152 Consanguineous Families With Neurodevelopmental Disorders.
Reuter MS, Tawamie H, Buchert R, Hosny Gebril O, Froukh T, Thiel C, Uebe S, Ekici AB, Krumbiegel M, Zweier C, Hoyer J, Eberlein K, Bauer J, Scheller U, Strom TM, Hoffjan S, Abdelraouf ER, Meguid NA, Abboud A, Al Khateeb MA, Fakher M, Hamdan S, Ismael A, Muhammad S, Abdallah E, Sticht H, Wieczorek D, Reis A, Abou Jamra R
JAMA Psychiatry 2017 Mar 1;74(3):293-299. doi: 10.1001/jamapsychiatry.2016.3798. PMID: 28097321

Therapy

Patients with Lately Diagnosed Cerebrotendinous Xanthomatosis.
Yunisova G, Tufekcioglu Z, Dogu O, Bilgic B, Kaleagasi H, Akca Kalem S, Lohmann E, Gurvit HI, Emre M, Hanagasi HA
Neurodegener Dis 2019;19(5-6):218-224. Epub 2020 Apr 29 doi: 10.1159/000506770. PMID: 32349000
Court orders on procreation.
Matevosyan NR
Arch Gynecol Obstet 2016 Jan;293(1):87-99. Epub 2015 Jun 11 doi: 10.1007/s00404-015-3770-6. PMID: 26063342
Clinical whole exome sequencing in child neurology practice.
Srivastava S, Cohen JS, Vernon H, Barañano K, McClellan R, Jamal L, Naidu S, Fatemi A
Ann Neurol 2014 Oct;76(4):473-83. Epub 2014 Aug 30 doi: 10.1002/ana.24251. PMID: 25131622
Pyridoxine-dependent seizures, clinical and therapeutic aspects.
Haenggeli CA, Girardin E, Paunier L
Eur J Pediatr 1991 May;150(7):452-5. doi: 10.1007/BF01958419. PMID: 1915493
The heterogeneity of microphthalmia in the mentally retarded.
Warburg M
Birth Defects Orig Artic Ser 1971 Mar;7(3):136-54. PMID: 4950916

Prognosis

Parkinson's disease - genetic cause.
Cherian A, K P D, Vijayaraghavan A
Curr Opin Neurol 2023 Aug 1;36(4):292-301. Epub 2023 May 24 doi: 10.1097/WCO.0000000000001167. PMID: 37366140
The clinical and genetic spectrum of autosomal-recessive TOR1A-related disorders.
Saffari A, Lau T, Tajsharghi H, Karimiani EG, Kariminejad A, Efthymiou S, Zifarelli G, Sultan T, Toosi MB, Sedighzadeh S, Siu VM, Ortigoza-Escobar JD, AlShamsi AM, Ibrahim S, Al-Sannaa NA, Al-Hertani W, Sandra W, Tarnopolsky M, Alavi S, Li C, Day-Salvatore DL, Martínez-González MJ, Levandoski KM, Bedoukian E, Madan-Khetarpal S, Idleburg MJ, Menezes MJ, Siddharth A, Platzer K, Oppermann H, Smitka M, Collins F, Lek M, Shahrooei M, Ghavideldarestani M, Herman I, Rendu J, Faure J, Baker J, Bhambhani V, Calderwood L, Akhondian J, Imannezhad S, Mirzadeh HS, Hashemi N, Doosti M, Safi M, Ahangari N, Torbati PN, Abedini S, Salpietro V, Gulec EY, Eshaghian S, Ghazavi M, Pascher MT, Vogel M, Abicht A, Moutton S, Bruel AL, Rieubland C, Gallati S, Strom TM, Lochmüller H, Mohammadi MH, Alvi JR, Zackai EH, Keena BA, Skraban CM, Berger SI, Andrew EH, Rahimian E, Morrow MM, Wentzensen IM, Millan F, Henderson LB, Dafsari HS, Jungbluth H, Gomez-Ospina N, McRae A, Peter M, Veltra D, Marinakis NM, Sofocleous C, Ashrafzadeh F, Pehlivan D, Lemke JR, Melki J, Benezit A, Bauer P, Weis D, Lupski JR, Senderek J, Christodoulou J, Chung WK, Goodchild R, Offiah AC, Moreno-De-Luca A, Suri M, Ebrahimi-Fakhari D, Houlden H, Maroofian R
Brain 2023 Aug 1;146(8):3273-3288. doi: 10.1093/brain/awad039. PMID: 36757831Free PMC Article
PIGN encephalopathy: Characterizing the epileptology.
Bayat A, de Valles-Ibáñez G, Pendziwiat M, Knaus A, Alt K, Biamino E, Bley A, Calvert S, Carney P, Caro-Llopis A, Ceulemans B, Cousin J, Davis S, des Portes V, Edery P, England E, Ferreira C, Freeman J, Gener B, Gorce M, Heron D, Hildebrand MS, Jezela-Stanek A, Jouk PS, Keren B, Kloth K, Kluger G, Kuhn M, Lemke JR, Li H, Martinez F, Maxton C, Mefford HC, Merla G, Mierzewska H, Muir A, Monfort S, Nicolai J, Norman J, O'Grady G, Oleksy B, Orellana C, Orec LE, Peinhardt C, Pronicka E, Rosello M, Santos-Simarro F, Schwaibold EMC, Stegmann APA, Stumpel CT, Szczepanik E, Terczyńska I, Thevenon J, Tzschach A, Van Bogaert P, Vittorini R, Walsh S, Weckhuysen S, Weissman B, Wolfe L, Reymond A, De Nittis P, Poduri A, Olson H, Striano P, Lesca G, Scheffer IE, Møller RS, Sadleir LG
Epilepsia 2022 Apr;63(4):974-991. Epub 2022 Feb 18 doi: 10.1111/epi.17173. PMID: 35179230
Smith-Lemli-Opitz syndrome: clinical and biochemical correlates.
Donoghue SE, Pitt JJ, Boneh A, White SM
J Pediatr Endocrinol Metab 2018 Mar 28;31(4):451-459. doi: 10.1515/jpem-2017-0501. PMID: 29455191
Nijmegen breakage syndrome (NBS).
Chrzanowska KH, Gregorek H, Dembowska-Bagińska B, Kalina MA, Digweed M
Orphanet J Rare Dis 2012 Feb 28;7:13. doi: 10.1186/1750-1172-7-13. PMID: 22373003Free PMC Article

Clinical prediction guides

Parkinson's disease - genetic cause.
Cherian A, K P D, Vijayaraghavan A
Curr Opin Neurol 2023 Aug 1;36(4):292-301. Epub 2023 May 24 doi: 10.1097/WCO.0000000000001167. PMID: 37366140
The clinical and genetic spectrum of autosomal-recessive TOR1A-related disorders.
Saffari A, Lau T, Tajsharghi H, Karimiani EG, Kariminejad A, Efthymiou S, Zifarelli G, Sultan T, Toosi MB, Sedighzadeh S, Siu VM, Ortigoza-Escobar JD, AlShamsi AM, Ibrahim S, Al-Sannaa NA, Al-Hertani W, Sandra W, Tarnopolsky M, Alavi S, Li C, Day-Salvatore DL, Martínez-González MJ, Levandoski KM, Bedoukian E, Madan-Khetarpal S, Idleburg MJ, Menezes MJ, Siddharth A, Platzer K, Oppermann H, Smitka M, Collins F, Lek M, Shahrooei M, Ghavideldarestani M, Herman I, Rendu J, Faure J, Baker J, Bhambhani V, Calderwood L, Akhondian J, Imannezhad S, Mirzadeh HS, Hashemi N, Doosti M, Safi M, Ahangari N, Torbati PN, Abedini S, Salpietro V, Gulec EY, Eshaghian S, Ghazavi M, Pascher MT, Vogel M, Abicht A, Moutton S, Bruel AL, Rieubland C, Gallati S, Strom TM, Lochmüller H, Mohammadi MH, Alvi JR, Zackai EH, Keena BA, Skraban CM, Berger SI, Andrew EH, Rahimian E, Morrow MM, Wentzensen IM, Millan F, Henderson LB, Dafsari HS, Jungbluth H, Gomez-Ospina N, McRae A, Peter M, Veltra D, Marinakis NM, Sofocleous C, Ashrafzadeh F, Pehlivan D, Lemke JR, Melki J, Benezit A, Bauer P, Weis D, Lupski JR, Senderek J, Christodoulou J, Chung WK, Goodchild R, Offiah AC, Moreno-De-Luca A, Suri M, Ebrahimi-Fakhari D, Houlden H, Maroofian R
Brain 2023 Aug 1;146(8):3273-3288. doi: 10.1093/brain/awad039. PMID: 36757831Free PMC Article
PIGN encephalopathy: Characterizing the epileptology.
Bayat A, de Valles-Ibáñez G, Pendziwiat M, Knaus A, Alt K, Biamino E, Bley A, Calvert S, Carney P, Caro-Llopis A, Ceulemans B, Cousin J, Davis S, des Portes V, Edery P, England E, Ferreira C, Freeman J, Gener B, Gorce M, Heron D, Hildebrand MS, Jezela-Stanek A, Jouk PS, Keren B, Kloth K, Kluger G, Kuhn M, Lemke JR, Li H, Martinez F, Maxton C, Mefford HC, Merla G, Mierzewska H, Muir A, Monfort S, Nicolai J, Norman J, O'Grady G, Oleksy B, Orellana C, Orec LE, Peinhardt C, Pronicka E, Rosello M, Santos-Simarro F, Schwaibold EMC, Stegmann APA, Stumpel CT, Szczepanik E, Terczyńska I, Thevenon J, Tzschach A, Van Bogaert P, Vittorini R, Walsh S, Weckhuysen S, Weissman B, Wolfe L, Reymond A, De Nittis P, Poduri A, Olson H, Striano P, Lesca G, Scheffer IE, Møller RS, Sadleir LG
Epilepsia 2022 Apr;63(4):974-991. Epub 2022 Feb 18 doi: 10.1111/epi.17173. PMID: 35179230
Auditory phenotype of Smith-Lemli-Opitz syndrome.
Zalewski CK, Sydlowski SA, King KA, Bianconi S, Dang Do A, Porter FD, Brewer CC
Am J Med Genet A 2021 Apr;185(4):1131-1141. Epub 2021 Feb 2 doi: 10.1002/ajmg.a.62087. PMID: 33529473Free PMC Article
DEGS1 variant causes neurological disorder.
Dolgin V, Straussberg R, Xu R, Mileva I, Yogev Y, Khoury R, Konen O, Barhum Y, Zvulunov A, Mao C, Birk OS
Eur J Hum Genet 2019 Nov;27(11):1668-1676. Epub 2019 Jun 11 doi: 10.1038/s41431-019-0444-z. PMID: 31186544Free PMC Article

Recent systematic reviews

Autosomal Recessive Guanosine Triphosphate Cyclohydrolase I Deficiency: Redefining the Phenotypic Spectrum and Outcomes.
Novelli M, Tolve M, Quiroz V, Carducci C, Bove R, Ricciardi G, Yang K, Manti F, Pisani F, Ebrahimi-Fakhari D, Galosi S, Leuzzi V
Mov Disord Clin Pract 2024 Sep;11(9):1072-1084. Epub 2024 Jul 12 doi: 10.1002/mdc3.14157. PMID: 39001623Free PMC Article
Syndromes of accelerated aging.
Martin GM
Natl Cancer Inst Monogr 1982;60:241-7. PMID: 6214719

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