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Mendeliome v1.4822 OLA1 Zornitza Stark Marked gene: OLA1 as ready
Mendeliome v1.4822 OLA1 Zornitza Stark Gene: ola1 has been classified as Green List (High Evidence).
Mendeliome v1.4822 OLA1 Zornitza Stark Phenotypes for gene: OLA1 were changed from Neurodevelopmental disorder with hypermobility to Neurodevelopmental disorder, MONDO:0700092, OLA1-related
Mendeliome v1.4821 OLA1 Zornitza Stark Classified gene: OLA1 as Green List (high evidence)
Mendeliome v1.4821 OLA1 Zornitza Stark Gene: ola1 has been classified as Green List (High Evidence).
Mendeliome v1.4820 OLA1 Zornitza Stark reviewed gene: OLA1: Rating: GREEN; Mode of pathogenicity: None; Publications: ; Phenotypes: Neurodevelopmental disorder, MONDO:0700092, OLA1-related; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v1.4818 OLA1 Fahaz Nazer gene: OLA1 was added
gene: OLA1 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: OLA1 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: OLA1 were set to 41887223
Phenotypes for gene: OLA1 were set to Neurodevelopmental disorder with hypermobility
Review for gene: OLA1 was set to GREEN
Added comment: Autosomal recessive NDD with hypermobility

14 affected individuals from 9 unrelated families
6 individuals had significant microcephaly. All have ID.

Variant in Family 1: Arg143* - proven to cause complete loss of OLA1 protein on Western Blot.

Ola1 null mice are small for gestational age, exhibit developmental delay, and have high perinatal lethality

Functional evidence (C.Elegans model):
Assessed 2 independent LOF alleles.
Notable behavioral effects (reduced bending, and response to touch)
GABAergic motor neurons shows abnormal axonal architecture and projection defects
Sources: Literature
Mendeliome v0.1990 POLA1 Zornitza Stark Marked gene: POLA1 as ready
Mendeliome v0.1990 POLA1 Zornitza Stark Gene: pola1 has been classified as Green List (High Evidence).
Mendeliome v0.1990 POLA1 Zornitza Stark Phenotypes for gene: POLA1 were changed from to Pigmentary disorder, reticulate, with systemic manifestations, X-linked, MIM# 301220; Van Esch-O'Driscoll syndrome OMIM# 301030
Mendeliome v0.1989 POLA1 Zornitza Stark Publications for gene: POLA1 were set to
Mendeliome v0.1988 POLA1 Zornitza Stark Mode of inheritance for gene: POLA1 was changed from Unknown to X-LINKED: hemizygous mutation in males, biallelic mutations in females
Mendeliome v0.1987 POLA1 Zornitza Stark Tag deep intronic tag was added to gene: POLA1.
Mendeliome v0.1987 POLA1 Zornitza Stark reviewed gene: POLA1: Rating: GREEN; Mode of pathogenicity: None; Publications: 27019227, 31006512; Phenotypes: Pigmentary disorder, reticulate, with systemic manifestations, X-linked, MIM# 301220, Van Esch-O'Driscoll syndrome OMIM# 301030; Mode of inheritance: X-LINKED: hemizygous mutation in males, biallelic mutations in females
Mendeliome v0.0 POLA1 Zornitza Stark gene: POLA1 was added
gene: POLA1 was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: POLA1 was set to Unknown