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Intellectual disability, autosomal recessive 64(MRT64)

MedGen UID:
1648279
Concept ID:
C4748192
Mental or Behavioral Dysfunction
Synonyms: INTELLECTUAL DEVELOPMENTAL DISORDER, AUTOSOMAL RECESSIVE 64; Mental retardation, autosomal recessive 64
 
Gene (location): LINGO1 (15q24.3)
 
Monarch Initiative: MONDO:0020846
OMIM®: 618103

Clinical features

From HPO
Feeding difficulties
MedGen UID:
65429
Concept ID:
C0232466
Finding
Impaired ability to eat related to problems gathering food and getting ready to suck, chew, or swallow it.
Aggressive behavior
MedGen UID:
1375
Concept ID:
C0001807
Individual Behavior
Behavior or an act aimed at harming a person, animal, or physical property (e.g., acts of physical violence; shouting, swearing, and using harsh language; slashing someone's tires).
Spasticity
MedGen UID:
7753
Concept ID:
C0026838
Sign or Symptom
A motor disorder characterized by a velocity-dependent increase in tonic stretch reflexes with increased muscle tone, exaggerated (hyperexcitable) tendon reflexes.
Seizure
MedGen UID:
20693
Concept ID:
C0036572
Sign or Symptom
A seizure is an intermittent abnormality of nervous system physiology characterized by a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.
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.
Slurred speech
MedGen UID:
65885
Concept ID:
C0234518
Finding
Abnormal coordination of muscles involved in speech.
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.
Motor delay
MedGen UID:
381392
Concept ID:
C1854301
Finding
A type of Developmental delay characterized by a delay in acquiring motor skills.
Absent speech
MedGen UID:
340737
Concept ID:
C1854882
Finding
Complete lack of development of speech and language abilities.
Reduced social reciprocity
MedGen UID:
868342
Concept ID:
C4022736
Finding
A reduced ability to participate in the back-and-forth flow of social interaction appropriate to culture and developmental level, which is normally characterized by an influence of the behavior of one person on the behavior of another person. This results in difficulty interacting with others through emotional, physical, or verbal communication.
Hypertonia
MedGen UID:
10132
Concept ID:
C0026826
Finding
A condition in which there is increased muscle tone so that arms or legs, for example, are stiff and difficult to move.
Microcephaly
MedGen UID:
1644158
Concept ID:
C4551563
Finding
Head circumference below 2 standard deviations below the mean for age and gender.

Professional guidelines

PubMed

Toktaş İ, Sarıbaş S, Canpolat S, Erdem Ö, Özbek MN
Turk J Pediatr 2022;64(6):985-992. doi: 10.24953/turkjped.2022.467. PMID: 36583880

Recent clinical studies

Etiology

Kariminejad A, Shakiba M, Shams M, Namiranian P, Eghbali M, Talebi S, Makvand M, Jaeken J, Najmabadi H, Hennekam RC
Eur J Med Genet 2021 Mar;64(3):104146. Epub 2021 Jan 23 doi: 10.1016/j.ejmg.2021.104146. PMID: 33497766
Bohlega S, Abusrair AH, Al-Ajlan FS, Alharbi N, Al-Semari A, Bohlega B, Abualsaud D, Alkuraya F
Parkinsonism Relat Disord 2019 Dec;69:99-103. Epub 2019 Oct 13 doi: 10.1016/j.parkreldis.2019.10.007. PMID: 31726291
Warner LL, Olsen DA, Smith HM
Paediatr Anaesth 2018 Jan;28(1):59-62. Epub 2017 Nov 17 doi: 10.1111/pan.13283. PMID: 29148179
Abou Jamra R, Wohlfart S, Zweier M, Uebe S, Priebe L, Ekici A, Giesebrecht S, Abboud A, Al Khateeb MA, Fakher M, Hamdan S, Ismael A, Muhammad S, Nöthen MM, Schumacher J, Reis A
Eur J Hum Genet 2011 Nov;19(11):1161-6. Epub 2011 Jun 1 doi: 10.1038/ejhg.2011.98. PMID: 21629298Free PMC Article
Smalley SL, Asarnow RF, Spence MA
Arch Gen Psychiatry 1988 Oct;45(10):953-61. doi: 10.1001/archpsyc.1988.01800340081013. PMID: 3048227

Diagnosis

Saffari A, Kellner M, Jordan C, Rosengarten H, Mo A, Zhang B, Strelko O, Neuser S, Davis MY, Yoshikura N, Futamura N, Takeuchi T, Nabatame S, Ishiura H, Tsuji S, Aldeen HS, Cali E, Rocca C, Houlden H, Efthymiou S, Assmann B, Yoon G, Trombetta BA, Kivisäkk P, Eichler F, Nan H, Takiyama Y, Tessa A, Santorelli FM, Sahin M, Blackstone C, Yang E, Schüle R, Ebrahimi-Fakhari D
Brain 2023 May 2;146(5):2003-2015. doi: 10.1093/brain/awac391. PMID: 36315648Free PMC Article
Sevinç SH, Işıkay S
Turk J Pediatr 2022;64(6):1086-1105. doi: 10.24953/turkjped.2022.221. PMID: 36583891
Morlino S, Nardella G, Castellana S, Micale L, Copetti M, Fusco C, Castori M
Am J Med Genet A 2021 Mar;185(3):955-965. Epub 2020 Dec 27 doi: 10.1002/ajmg.a.62047. PMID: 33369135
Bohlega S, Abusrair AH, Al-Ajlan FS, Alharbi N, Al-Semari A, Bohlega B, Abualsaud D, Alkuraya F
Parkinsonism Relat Disord 2019 Dec;69:99-103. Epub 2019 Oct 13 doi: 10.1016/j.parkreldis.2019.10.007. PMID: 31726291
Warner LL, Olsen DA, Smith HM
Paediatr Anaesth 2018 Jan;28(1):59-62. Epub 2017 Nov 17 doi: 10.1111/pan.13283. PMID: 29148179

Therapy

Saffari A, Kellner M, Jordan C, Rosengarten H, Mo A, Zhang B, Strelko O, Neuser S, Davis MY, Yoshikura N, Futamura N, Takeuchi T, Nabatame S, Ishiura H, Tsuji S, Aldeen HS, Cali E, Rocca C, Houlden H, Efthymiou S, Assmann B, Yoon G, Trombetta BA, Kivisäkk P, Eichler F, Nan H, Takiyama Y, Tessa A, Santorelli FM, Sahin M, Blackstone C, Yang E, Schüle R, Ebrahimi-Fakhari D
Brain 2023 May 2;146(5):2003-2015. doi: 10.1093/brain/awac391. PMID: 36315648Free PMC Article

Prognosis

Morlino S, Nardella G, Castellana S, Micale L, Copetti M, Fusco C, Castori M
Am J Med Genet A 2021 Mar;185(3):955-965. Epub 2020 Dec 27 doi: 10.1002/ajmg.a.62047. PMID: 33369135
Kong W, Meng Y, Zou L, Yang G, Wang J, Shi X
J Pediatr Endocrinol Metab 2020 May 24;33(6):793-802. doi: 10.1515/jpem-2019-0505. PMID: 32447333
Bohlega S, Abusrair AH, Al-Ajlan FS, Alharbi N, Al-Semari A, Bohlega B, Abualsaud D, Alkuraya F
Parkinsonism Relat Disord 2019 Dec;69:99-103. Epub 2019 Oct 13 doi: 10.1016/j.parkreldis.2019.10.007. PMID: 31726291
Paganini L, Pesenti C, Milani D, Fontana L, Motta S, Sirchia SM, Scuvera G, Marchisio P, Esposito S, Cinnante CM, Tabano SM, Miozzo MR
Am J Med Genet A 2018 Jun;176(6):1427-1431. Epub 2018 Apr 16 doi: 10.1002/ajmg.a.38704. PMID: 29663667
Mäenpää J
Arch Dis Child 1972 Dec;47(256):914-23. doi: 10.1136/adc.47.256.914. PMID: 4119068Free PMC Article

Clinical prediction guides

Saffari A, Kellner M, Jordan C, Rosengarten H, Mo A, Zhang B, Strelko O, Neuser S, Davis MY, Yoshikura N, Futamura N, Takeuchi T, Nabatame S, Ishiura H, Tsuji S, Aldeen HS, Cali E, Rocca C, Houlden H, Efthymiou S, Assmann B, Yoon G, Trombetta BA, Kivisäkk P, Eichler F, Nan H, Takiyama Y, Tessa A, Santorelli FM, Sahin M, Blackstone C, Yang E, Schüle R, Ebrahimi-Fakhari D
Brain 2023 May 2;146(5):2003-2015. doi: 10.1093/brain/awac391. PMID: 36315648Free PMC Article
Morlino S, Nardella G, Castellana S, Micale L, Copetti M, Fusco C, Castori M
Am J Med Genet A 2021 Mar;185(3):955-965. Epub 2020 Dec 27 doi: 10.1002/ajmg.a.62047. PMID: 33369135
Kong W, Meng Y, Zou L, Yang G, Wang J, Shi X
J Pediatr Endocrinol Metab 2020 May 24;33(6):793-802. doi: 10.1515/jpem-2019-0505. PMID: 32447333
Warner LL, Olsen DA, Smith HM
Paediatr Anaesth 2018 Jan;28(1):59-62. Epub 2017 Nov 17 doi: 10.1111/pan.13283. PMID: 29148179
Smalley SL, Asarnow RF, Spence MA
Arch Gen Psychiatry 1988 Oct;45(10):953-61. doi: 10.1001/archpsyc.1988.01800340081013. PMID: 3048227

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