U.S. flag

An official website of the United States government

Format

Send to:

Choose Destination

Neurodevelopmental disorder and structural brain anomalies with or without seizures and spasticity(NEDBASS)

MedGen UID:
1711516
Concept ID:
C5394423
Disease or Syndrome
Synonyms: NEDBASS; NEURODEVELOPMENTAL DISORDER AND STRUCTURAL BRAIN ANOMALIES WITH OR WITHOUT SEIZURES AND SPASTICITY
 
Gene (location): PTPN23 (3p21.31)
 
Monarch Initiative: MONDO:0030046
OMIM®: 618890

Definition

Neurodevelopmental disorder and structural brain anomalies with or without seizures and spasticity (NEDBASS) is an autosomal recessive neurologic disorder characterized by global developmental delay apparent from early infancy, poor overall growth often with microcephaly, impaired intellectual development with delayed or absent speech, axial hypotonia, and peripheral spasticity. Additional common but variable features include early-onset seizures, optic atrophy with poor visual fixation, and dysmorphic facial features. Brain imaging shows cerebral atrophy, poor or absent myelination with loss of white matter volume, and often hypoplasia of the corpus callosum and/or cerebellum. Early death may occur (summary by Bend et al., 2020). [from OMIM]

Clinical features

From HPO
Poor suck
MedGen UID:
324693
Concept ID:
C1837142
Finding
An inadequate sucking reflex, resulting in the difficult of newborns to be breast-fed.
Gastrostomy tube feeding in infancy
MedGen UID:
892362
Concept ID:
C4023342
Finding
Feeding problem necessitating gastrostomy tube feeding.
Focal motor seizure
MedGen UID:
5237
Concept ID:
C0016399
Disease or Syndrome
A type of focal-onset seizure characterized by a motor sign as its initial semiological manifestation.
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.
Encephalopathy
MedGen UID:
39314
Concept ID:
C0085584
Disease or Syndrome
Encephalopathy is a term that means brain disease, damage, or malfunction. In general, encephalopathy is manifested by an altered mental state.
Tonic seizure
MedGen UID:
82855
Concept ID:
C0270844
Disease or Syndrome
A tonic seizure is a type of motor seizure characterised by unilateral or bilateral limb stiffening or elevation, often with neck stiffening.
Hypoplasia of the corpus callosum
MedGen UID:
138005
Concept ID:
C0344482
Congenital Abnormality
Underdevelopment of the corpus callosum.
Hypsarrhythmia
MedGen UID:
195766
Concept ID:
C0684276
Finding
Hypsarrhythmia is abnormal interictal high amplitude waves and a background of irregular spikes. There is continuous (during wakefulness), high-amplitude (>200 Hz), generalized polymorphic slowing with no organized background and multifocal spikes demonstrated by electroencephalography (EEG).
Developmental stagnation
MedGen UID:
341348
Concept ID:
C1848980
Finding
A cessation of the development of a child in the areas of motor skills, speech and language, cognitive skills, and social and/or emotional skills.
Lateral ventricle dilatation
MedGen UID:
383904
Concept ID:
C1856409
Pathologic Function
Profound global developmental delay
MedGen UID:
766364
Concept ID:
C3553450
Disease or Syndrome
A profound delay in the achievement of motor or mental milestones in the domains of development of a child.
Infantile spasms
MedGen UID:
854616
Concept ID:
C3887898
Disease or Syndrome
Infantile spasms represent a subset of "epileptic spasms". Infantile Spasms are epileptic spasms starting in the first year of life (infancy).
Myoclonic seizure
MedGen UID:
1385980
Concept ID:
C4317123
Sign or Symptom
A myoclonic seizure is a type of motor seizure characterised by sudden, brief (<100 ms) involuntary single or multiple contraction of muscles or muscle groups of variable topography (axial, proximal limb, distal). Myoclonus is less regularly repetitive and less sustained than is clonus.
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.
Axial hypotonia
MedGen UID:
342959
Concept ID:
C1853743
Finding
Muscular hypotonia (abnormally low muscle tone) affecting the musculature of the trunk.
Microcephaly
MedGen UID:
1644158
Concept ID:
C4551563
Finding
Head circumference below 2 standard deviations below the mean for age and gender.
Breech presentation
MedGen UID:
654
Concept ID:
C0006157
Pathologic Function
A position of the fetus at delivery in which the fetus enters the birth canal with the buttocks or feet first.
Optic nerve hypoplasia
MedGen UID:
137901
Concept ID:
C0338502
Disease or Syndrome
Underdevelopment of the optic nerve.
Abnormal visual fixation
MedGen UID:
1390282
Concept ID:
C4477094
Finding
Any anomaly in the process of ocular fixation, which is the maintaining of the visual gaze on a single location.

Professional guidelines

PubMed

Weiss K, Lazar HP, Kurolap A, Martinez AF, Paperna T, Cohen L, Smeland MF, Whalen S, Heide S, Keren B, Terhal P, Irving M, Takaku M, Roberts JD, Petrovich RM, Schrier Vergano SA, Kenney A, Hove H, DeChene E, Quinonez SC, Colin E, Ziegler A, Rumple M, Jain M, Monteil D, Roeder ER, Nugent K, van Haeringen A, Gambello M, Santani A, Medne L, Krock B, Skraban CM, Zackai EH, Dubbs HA, Smol T, Ghoumid J, Parker MJ, Wright M, Turnpenny P, Clayton-Smith J, Metcalfe K, Kurumizaka H, Gelb BD, Baris Feldman H, Campeau PM, Muenke M, Wade PA, Lachlan K
Genet Med 2020 Feb;22(2):389-397. Epub 2019 Aug 7 doi: 10.1038/s41436-019-0612-0. PMID: 31388190Free PMC Article
Chohan SA, Venkatesh PK, How CH
Singapore Med J 2019 Dec;60(12):616-620. doi: 10.11622/smedj.2019158. PMID: 31889205Free PMC Article
Saulino M, Anderson DJ, Doble J, Farid R, Gul F, Konrad P, Boster AL
Neuromodulation 2016 Aug;19(6):632-41. Epub 2016 Jul 19 doi: 10.1111/ner.12467. PMID: 27434299

Recent clinical studies

Etiology

Deneubourg C, Ramm M, Smith LJ, Baron O, Singh K, Byrne SC, Duchen MR, Gautel M, Eskelinen EL, Fanto M, Jungbluth H
Autophagy 2022 Mar;18(3):496-517. Epub 2021 Aug 19 doi: 10.1080/15548627.2021.1943177. PMID: 34130600Free PMC Article
Sato W, Uono S
Curr Opin Neurol 2019 Aug;32(4):617-621. doi: 10.1097/WCO.0000000000000713. PMID: 31135458
Juric-Sekhar G, Hevner RF
Annu Rev Pathol 2019 Jan 24;14:293-318. doi: 10.1146/annurev-pathmechdis-012418-012927. PMID: 30677308Free PMC Article
Saulino M, Anderson DJ, Doble J, Farid R, Gul F, Konrad P, Boster AL
Neuromodulation 2016 Aug;19(6):632-41. Epub 2016 Jul 19 doi: 10.1111/ner.12467. PMID: 27434299
Faraone SV, Asherson P, Banaschewski T, Biederman J, Buitelaar JK, Ramos-Quiroga JA, Rohde LA, Sonuga-Barke EJ, Tannock R, Franke B
Nat Rev Dis Primers 2015 Aug 6;1:15020. doi: 10.1038/nrdp.2015.20. PMID: 27189265

Diagnosis

Rots D, Jakub TE, Keung C, Jackson A, Banka S, Pfundt R, de Vries BBA, van Jaarsveld RH, Hopman SMJ, van Binsbergen E, Valenzuela I, Hempel M, Bierhals T, Kortüm F, Lecoquierre F, Goldenberg A, Hertz JM, Andersen CB, Kibæk M, Prijoles EJ, Stevenson RE, Everman DB, Patterson WG, Meng L, Gijavanekar C, De Dios K, Lakhani S, Levy T, Wagner M, Wieczorek D, Benke PJ, Lopez Garcia MS, Perrier R, Sousa SB, Almeida PM, Simões MJ, Isidor B, Deb W, Schmanski AA, Abdul-Rahman O, Philippe C, Bruel AL, Faivre L, Vitobello A, Thauvin C, Smits JJ, Garavelli L, Caraffi SG, Peluso F, Davis-Keppen L, Platt D, Royer E, Leeuwen L, Sinnema M, Stegmann APA, Stumpel CTRM, Tiller GE, Bosch DGM, Potgieter ST, Joss S, Splitt M, Holden S, Prapa M, Foulds N, Douzgou S, Puura K, Waltes R, Chiocchetti AG, Freitag CM, Satterstrom FK, De Rubeis S, Buxbaum J, Gelb BD, Branko A, Kushima I, Howe J, Scherer SW, Arado A, Baldo C, Patat O, Bénédicte D, Lopergolo D, Santorelli FM, Haack TB, Dufke A, Bertrand M, Falb RJ, Rieß A, Krieg P, Spranger S, Bedeschi MF, Iascone M, Josephi-Taylor S, Roscioli T, Buckley MF, Liebelt J, Dagli AI, Aten E, Hurst ACE, Hicks A, Suri M, Aliu E, Naik S, Sidlow R, Coursimault J, Nicolas G, Küpper H, Petit F, Ibrahim V, Top D, Di Cara F; Genomics England Research Consortium, Louie RJ, Stolerman E, Brunner HG, Vissers LELM, Kramer JM, Kleefstra T
Am J Hum Genet 2023 Jun 1;110(6):963-978. Epub 2023 May 16 doi: 10.1016/j.ajhg.2023.04.008. PMID: 37196654Free PMC Article
Deneubourg C, Ramm M, Smith LJ, Baron O, Singh K, Byrne SC, Duchen MR, Gautel M, Eskelinen EL, Fanto M, Jungbluth H
Autophagy 2022 Mar;18(3):496-517. Epub 2021 Aug 19 doi: 10.1080/15548627.2021.1943177. PMID: 34130600Free PMC Article
Burgess R, Wang S, McTague A, Boysen KE, Yang X, Zeng Q, Myers KA, Rochtus A, Trivisano M, Gill D; EIMFS Consortium, Sadleir LG, Specchio N, Guerrini R, Marini C, Zhang YH, Mefford HC, Kurian MA, Poduri AH, Scheffer IE
Ann Neurol 2019 Dec;86(6):821-831. doi: 10.1002/ana.25619. PMID: 31618474Free PMC Article
Faraone SV, Asherson P, Banaschewski T, Biederman J, Buitelaar JK, Ramos-Quiroga JA, Rohde LA, Sonuga-Barke EJ, Tannock R, Franke B
Nat Rev Dis Primers 2015 Aug 6;1:15020. doi: 10.1038/nrdp.2015.20. PMID: 27189265
Ecker C, Bookheimer SY, Murphy DG
Lancet Neurol 2015 Nov;14(11):1121-34. Epub 2015 Apr 16 doi: 10.1016/S1474-4422(15)00050-2. PMID: 25891007

Therapy

Solmi M, De Toffol M, Kim JY, Choi MJ, Stubbs B, Thompson T, Firth J, Miola A, Croatto G, Baggio F, Michelon S, Ballan L, Gerdle B, Monaco F, Simonato P, Scocco P, Ricca V, Castellini G, Fornaro M, Murru A, Vieta E, Fusar-Poli P, Barbui C, Ioannidis JPA, Carvalho AF, Radua J, Correll CU, Cortese S, Murray RM, Castle D, Shin JI, Dragioti E
BMJ 2023 Aug 30;382:e072348. doi: 10.1136/bmj-2022-072348. PMID: 37648266Free PMC Article
Breijyeh Z, Jubeh B, Bufo SA, Karaman R, Scrano L
Toxins (Basel) 2021 Feb 5;13(2) doi: 10.3390/toxins13020117. PMID: 33562446Free PMC Article
De Luca F
Semin Pediatr Neurol 2020 Oct;35:100582. Epub 2016 Apr 16 doi: 10.1016/j.spen.2016.04.001. PMID: 32892953
Kim PS, Fishman MA
Curr Pain Headache Rep 2017 Apr;21(4):19. doi: 10.1007/s11916-017-0619-7. PMID: 28281107
Saulino M, Anderson DJ, Doble J, Farid R, Gul F, Konrad P, Boster AL
Neuromodulation 2016 Aug;19(6):632-41. Epub 2016 Jul 19 doi: 10.1111/ner.12467. PMID: 27434299

Prognosis

Paul MS, Duncan AR, Genetti CA, Pan H, Jackson A, Grant PE, Shi J, Pinelli M, Brunetti-Pierri N, Garza-Flores A, Shahani D, Saneto RP, Zampino G, Leoni C, Agolini E, Novelli A, Blümlein U, Haack TB, Heinritz W, Matzker E, Alhaddad B, Abou Jamra R, Bartolomaeus T, AlHamdan S, Carapito R, Isidor B, Bahram S, Ritter A, Izumi K, Shakked BP, Barel O, Ben Zeev B, Begtrup A, Carere DA, Mullegama SV, Palculict TB, Calame DG, Schwan K, Aycinena ARP, Traberg R; Genomics England Research Consortium, Douzgou S, Pirt H, Ismayilova N, Banka S, Chao HT, Agrawal PB
Am J Hum Genet 2023 Jan 5;110(1):120-145. Epub 2022 Dec 16 doi: 10.1016/j.ajhg.2022.11.011. PMID: 36528028Free PMC Article
Stephenson SEM, Costain G, Blok LER, Silk MA, Nguyen TB, Dong X, Alhuzaimi DE, Dowling JJ, Walker S, Amburgey K, Hayeems RZ, Rodan LH, Schwartz MA, Picker J, Lynch SA, Gupta A, Rasmussen KJ, Schimmenti LA, Klee EW, Niu Z, Agre KE, Chilton I, Chung WK, Revah-Politi A, Au PYB, Griffith C, Racobaldo M, Raas-Rothschild A, Ben Zeev B, Barel O, Moutton S, Morice-Picard F, Carmignac V, Cornaton J, Marle N, Devinsky O, Stimach C, Wechsler SB, Hainline BE, Sapp K, Willems M, Bruel AL, Dias KR, Evans CA, Roscioli T, Sachdev R, Temple SEL, Zhu Y, Baker JJ, Scheffer IE, Gardiner FJ, Schneider AL, Muir AM, Mefford HC, Crunk A, Heise EM, Millan F, Monaghan KG, Person R, Rhodes L, Richards S, Wentzensen IM, Cogné B, Isidor B, Nizon M, Vincent M, Besnard T, Piton A, Marcelis C, Kato K, Koyama N, Ogi T, Goh ES, Richmond C, Amor DJ, Boyce JO, Morgan AT, Hildebrand MS, Kaspi A, Bahlo M, Friðriksdóttir R, Katrínardóttir H, Sulem P, Stefánsson K, Björnsson HT, Mandelstam S, Morleo M, Mariani M; TUDP Study Group, Scala M, Accogli A, Torella A, Capra V, Wallis M, Jansen S, Weisfisz Q, de Haan H, Sadedin S; Broad Center for Mendelian Genomics, Lim SC, White SM, Ascher DB, Schenck A, Lockhart PJ, Christodoulou J, Tan TY
Am J Hum Genet 2022 Apr 7;109(4):601-617. doi: 10.1016/j.ajhg.2022.03.002. PMID: 35395208Free PMC Article
Deneubourg C, Ramm M, Smith LJ, Baron O, Singh K, Byrne SC, Duchen MR, Gautel M, Eskelinen EL, Fanto M, Jungbluth H
Autophagy 2022 Mar;18(3):496-517. Epub 2021 Aug 19 doi: 10.1080/15548627.2021.1943177. PMID: 34130600Free PMC Article
Saulino M, Anderson DJ, Doble J, Farid R, Gul F, Konrad P, Boster AL
Neuromodulation 2016 Aug;19(6):632-41. Epub 2016 Jul 19 doi: 10.1111/ner.12467. PMID: 27434299
Stoodley CJ
Cerebellum 2016 Feb;15(1):34-37. doi: 10.1007/s12311-015-0715-3. PMID: 26298473Free PMC Article

Clinical prediction guides

Paul MS, Duncan AR, Genetti CA, Pan H, Jackson A, Grant PE, Shi J, Pinelli M, Brunetti-Pierri N, Garza-Flores A, Shahani D, Saneto RP, Zampino G, Leoni C, Agolini E, Novelli A, Blümlein U, Haack TB, Heinritz W, Matzker E, Alhaddad B, Abou Jamra R, Bartolomaeus T, AlHamdan S, Carapito R, Isidor B, Bahram S, Ritter A, Izumi K, Shakked BP, Barel O, Ben Zeev B, Begtrup A, Carere DA, Mullegama SV, Palculict TB, Calame DG, Schwan K, Aycinena ARP, Traberg R; Genomics England Research Consortium, Douzgou S, Pirt H, Ismayilova N, Banka S, Chao HT, Agrawal PB
Am J Hum Genet 2023 Jan 5;110(1):120-145. Epub 2022 Dec 16 doi: 10.1016/j.ajhg.2022.11.011. PMID: 36528028Free PMC Article
Di Donato N, Guerrini R, Billington CJ, Barkovich AJ, Dinkel P, Freri E, Heide M, Gershon ES, Gertler TS, Hopkin RJ, Jacob S, Keedy SK, Kooshavar D, Lockhart PJ, Lohmann DR, Mahmoud IG, Parrini E, Schrock E, Severi G, Timms AE, Webster RI, Willis MJH, Zaki MS, Gleeson JG, Leventer RJ, Dobyns WB
Brain 2022 Sep 14;145(9):3274-3287. doi: 10.1093/brain/awac164. PMID: 35769015Free PMC Article
Fliedner A, Kirchner P, Wiesener A, van de Beek I, Waisfisz Q, van Haelst M, Scott DA, Lalani SR, Rosenfeld JA, Azamian MS, Xia F, Dutra-Clarke M, Martinez-Agosto JA, Lee H; UCLA Clinical Genomics Center, Noh GJ, Lippa N, Alkelai A, Aggarwal V, Agre KE, Gavrilova R, Mirzaa GM, Straussberg R, Cohen R, Horist B, Krishnamurthy V, McWalter K, Juusola J, Davis-Keppen L, Ohden L, van Slegtenhorst M, de Man SA, Ekici AB, Gregor A, van de Laar I, Zweier C
Am J Hum Genet 2020 Sep 3;107(3):544-554. Epub 2020 Jul 29 doi: 10.1016/j.ajhg.2020.06.019. PMID: 32730804Free PMC Article
Burgess R, Wang S, McTague A, Boysen KE, Yang X, Zeng Q, Myers KA, Rochtus A, Trivisano M, Gill D; EIMFS Consortium, Sadleir LG, Specchio N, Guerrini R, Marini C, Zhang YH, Mefford HC, Kurian MA, Poduri AH, Scheffer IE
Ann Neurol 2019 Dec;86(6):821-831. doi: 10.1002/ana.25619. PMID: 31618474Free PMC Article
Stoodley CJ
Cerebellum 2016 Feb;15(1):34-37. doi: 10.1007/s12311-015-0715-3. PMID: 26298473Free PMC Article

Recent systematic reviews

Frewer V, Gilchrist CP, Collins SE, Williams K, Seal ML, Leventer RJ, Amor DJ
J Child Psychol Psychiatry 2021 Nov;62(11):1339-1352. Epub 2021 Aug 23 doi: 10.1111/jcpp.13510. PMID: 34426966
Lukito S, Norman L, Carlisi C, Radua J, Hart H, Simonoff E, Rubia K
Psychol Med 2020 Apr;50(6):894-919. Epub 2020 Mar 27 doi: 10.1017/S0033291720000574. PMID: 32216846Free PMC Article
Maconochie IK, Bhaumik S
Cochrane Database Syst Rev 2016 Nov 4;11(11):CD004786. doi: 10.1002/14651858.CD004786.pub5. PMID: 27813057Free PMC Article
Pagani G, Thilaganathan B, Prefumo F
Ultrasound Obstet Gynecol 2014 Sep;44(3):254-60. Epub 2014 Jul 21 doi: 10.1002/uog.13364. PMID: 24623452
Baldaçara L, Borgio JG, Lacerda AL, Jackowski AP
Braz J Psychiatry 2008 Sep;30(3):281-9. doi: 10.1590/s1516-44462008000300016. PMID: 18833430

Supplemental Content

Table of contents

    Clinical resources

    Practice guidelines

    • PubMed
      See practice and clinical guidelines in PubMed. The search results may include broader topics and may not capture all published guidelines. See the FAQ for details.

    Consumer resources

    Recent activity

    Your browsing activity is empty.

    Activity recording is turned off.

    Turn recording back on

    See more...