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Hyperphosphatasia with intellectual disability syndrome 5(GPIBD11)

MedGen UID:
863395
Concept ID:
C4014958
Disease or Syndrome
Synonyms: GLYCOSYLPHOSPHATIDYLINOSITOL BIOSYNTHESIS DEFECT 11; GPIBD11
 
Gene (location): PIGW (17q12)
 
Monarch Initiative: MONDO:0014457
OMIM®: 616025

Definition

GPIBD11 is an autosomal recessive disorder characterized by neonatal hypotonia, lack of psychomotor development, and variable seizures. Some patients may have dysmorphic features or increased serum alkaline phosphatase. The disorder is caused by a defect in glycosylphosphatidylinositol (GPI) biosynthesis (summary by Hogrebe et al., 2016). For a discussion of genetic heterogeneity of GPI biosynthesis defects, see GPIBD1 (610293). [from OMIM]

Clinical features

From HPO
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.
Tonic seizure
MedGen UID:
82855
Concept ID:
C0270844
Disease or Syndrome
A tonic seizure is a type of motor seizure characterized by unilateral or bilateral limb stiffening or elevation, often with neck stiffening.
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.
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).
Focal-onset seizure
MedGen UID:
199670
Concept ID:
C0751495
Disease or Syndrome
A focal-onset seizure is a type of seizure originating within networks limited to one hemisphere. They may be discretely localized or more widely distributed, and may originate in subcortical structures.
Severe global developmental delay
MedGen UID:
332436
Concept ID:
C1837397
Finding
A severe delay in the achievement of motor or mental milestones in the domains of development of a child.
Widened subarachnoid space
MedGen UID:
375826
Concept ID:
C1846151
Finding
An increase in size of the anatomic space between the arachnoid membrane and pia mater.
Absent speech
MedGen UID:
340737
Concept ID:
C1854882
Finding
Complete lack of development of speech and language abilities.
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.
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.
Inguinal hernia
MedGen UID:
6817
Concept ID:
C0019294
Finding
Protrusion of the contents of the abdominal cavity through the inguinal canal.
Umbilical hernia
MedGen UID:
9232
Concept ID:
C0019322
Anatomical Abnormality
Protrusion of abdominal contents through a defect in the abdominal wall musculature around the umbilicus. Skin and subcutaneous tissue overlie the defect.
Elevated circulating alkaline phosphatase concentration
MedGen UID:
727252
Concept ID:
C1314665
Finding
Abnormally increased serum levels of alkaline phosphatase activity.
Macroglossia
MedGen UID:
44236
Concept ID:
C0024421
Disease or Syndrome
Increased length and width of the tongue.
High palate
MedGen UID:
66814
Concept ID:
C0240635
Congenital Abnormality
Height of the palate more than 2 SD above the mean (objective) or palatal height at the level of the first permanent molar more than twice the height of the teeth (subjective).
Tented upper lip vermilion
MedGen UID:
326574
Concept ID:
C1839767
Finding
Triangular appearance of the oral aperture with the apex in the midpoint of the upper vermilion and the lower vermilion forming the base.
Coarse facial features
MedGen UID:
335284
Concept ID:
C1845847
Finding
Absence of fine and sharp appearance of brows, nose, lips, mouth, and chin, usually because of rounded and heavy features or thickened skin with or without thickening of subcutaneous and bony tissues.
Wide nasal bridge
MedGen UID:
341441
Concept ID:
C1849367
Finding
Increased breadth of the nasal bridge (and with it, the nasal root).

Recent clinical studies

Etiology

Abdel-Hamid MS, Issa MY, Otaify GA, Abdel-Ghafar SF, Elbendary HM, Zaki MS
Clin Genet 2018 Jan;93(1):84-91. Epub 2017 Aug 4 doi: 10.1111/cge.13033. PMID: 28390064

Diagnosis

Winter-Paquette LM, Al Suwaidi HH, Sajjad Y, Bricker L
Eur J Med Genet 2022 May;65(5):104501. Epub 2022 Apr 1 doi: 10.1016/j.ejmg.2022.104501. PMID: 35378319
Thompson MD, Knaus AA, Barshop BA, Caliebe A, Muhle H, Nguyen TTM, Baratang NV, Kinoshita T, Percy ME, Campeau PM, Murakami Y, Cole DE, Krawitz PM, Mabry CC
Eur J Med Genet 2020 Apr;63(4):103822. Epub 2019 Dec 2 doi: 10.1016/j.ejmg.2019.103822. PMID: 31805394
Sohail AH, Durrani MYK, Ibrahim SH, Humayun KN
J Coll Physicians Surg Pak 2018 Sep;28(9):S192-S194. doi: 10.29271/jcpsp.2018.09.S192. PMID: 30173695
Knaus A, Awaya T, Helbig I, Afawi Z, Pendziwiat M, Abu-Rachma J, Thompson MD, Cole DE, Skinner S, Annese F, Canham N, Schweiger MR, Robinson PN, Mundlos S, Kinoshita T, Munnich A, Murakami Y, Horn D, Krawitz PM
Hum Mutat 2016 Aug;37(8):737-44. Epub 2016 May 19 doi: 10.1002/humu.23006. PMID: 27120253Free PMC Article

Therapy

Sohail AH, Durrani MYK, Ibrahim SH, Humayun KN
J Coll Physicians Surg Pak 2018 Sep;28(9):S192-S194. doi: 10.29271/jcpsp.2018.09.S192. PMID: 30173695

Clinical prediction guides

Winter-Paquette LM, Al Suwaidi HH, Sajjad Y, Bricker L
Eur J Med Genet 2022 May;65(5):104501. Epub 2022 Apr 1 doi: 10.1016/j.ejmg.2022.104501. PMID: 35378319

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