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Combined Immunodeficiency v0.372 RAC2 Zornitza Stark Marked gene: RAC2 as ready
Combined Immunodeficiency v0.372 RAC2 Zornitza Stark Gene: rac2 has been classified as Green List (High Evidence).
Combined Immunodeficiency v0.372 RAC2 Zornitza Stark Phenotypes for gene: RAC2 were changed from to Immunodeficiency 73A with defective neutrophil chemotaxix and leukocytosis MIM# 608203; Immunodeficiency 73C with defective neutrophil chemotaxis and hypogammaglobulinaemia MIM# 618987; Immunodeficiency 73B with defective neutrophil chemotaxis and lymphopaenia MIM# 618986
Combined Immunodeficiency v0.372 RAC2 Zornitza Stark Publications for gene: RAC2 were set to 21167572; 10758162; 10072071; 25512081; 32542921; 31919089
Combined Immunodeficiency v0.371 RAC2 Zornitza Stark Publications for gene: RAC2 were set to
Combined Immunodeficiency v0.370 RAC2 Zornitza Stark Mode of pathogenicity for gene: RAC2 was changed from to Other
Combined Immunodeficiency v0.369 RAC2 Zornitza Stark Mode of inheritance for gene: RAC2 was changed from Unknown to BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Combined Immunodeficiency v0.365 RAC2 Danielle Ariti changed review comment from: Immunodeficiency 73A with defective neutrophil chemotaxix and leukocytosis
2 unrelated individuals; mono-allelic; loss of function; One mouse model; functional studies

Both individuals carried a de novo heterozygous missense variant (p.Asp57Asn), resulting in an impaired GTP binding domain and loss of function.

Both individuals presented from birth with recurrent perirectal/ paratracheal abscesses, failure to heal surgical wounds, and the absence of pus in infected areas, in addition to leukocytosis and neutrophilia.
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Immunodeficiency 73C with defective neutrophil chemotaxis and hypogammaglobulinaemia
Only one family (2 sibs) has been reported; bi-allelic; loss of function; one mouse model.

They were homozygous for a nonsense variant p.Trp56Ter (W56X), resulting in premature termination and loss of function.

Clinical history included recurrent respiratory infections leading to the development of bronchiectasis, urticaria, factor XI deficiency, and hypothyroidism.

Their immunologic presentation showed a progression from selective IgA deficiency to Hypogammaglobulinaemia of all classes leading to a diagnosis of CVID.
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Immunodeficiency 73B with defective neutrophil chemotaxis and lymphopaenia
13 individuals from 8 unrelated families; mono-allelic; gain of function; multiple mouse models

Mono-allelic missense variants were reported in each individual (5 x De Novo) and resulted in a gain-of -function. (E62K, P34H, N92T, G12R)

These individuals typically presented in infancy with frequent infections, profound leukopaenia, lymphopaenia diarrhoea and hypogammaglobulinaemia.
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Amber- Immunodeficiency 73A with defective neutrophil chemotaxix and leukocytosis (loss of function)
Amber- Immunodeficiency 73C with defective neutrophil chemotaxis and hypogammaglobulinaemia (loss of function)
Green- Immunodeficiency 73B with defective neutrophil chemotaxis and lymphopaenia (gain of function); to: Immunodeficiency 73A with defective neutrophil chemotaxix and leukocytosis
2 unrelated individuals; mono-allelic; loss of function; One mouse model; functional studies

Both individuals carried a de novo heterozygous missense variant (p.Asp57Asn), resulting in an impaired GTP binding domain and loss of function.

Both individuals presented from birth with recurrent perirectal/ paratracheal abscesses, failure to heal surgical wounds, and the absence of pus in infected areas, in addition to leukocytosis and neutrophilia.
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Immunodeficiency 73C with defective neutrophil chemotaxis and hypogammaglobulinaemia
Only one family (2 sibs) has been reported; bi-allelic; loss of function; one mouse model.

They were homozygous for a nonsense variant p.Trp56Ter (W56X), resulting in premature termination and loss of function.

Clinical history included recurrent respiratory infections leading to the development of bronchiectasis, urticaria, factor XI deficiency, and hypothyroidism.

Their immunologic presentation showed a progression from selective IgA deficiency to Hypogammaglobulinaemia of all classes leading to a diagnosis of CVID.
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Immunodeficiency 73B with defective neutrophil chemotaxis and lymphopaenia
13 individuals from 8 unrelated families; mono-allelic; gain of function; multiple mouse models

Mono-allelic missense variants were reported in each individual (5 x De Novo) and resulted in a gain-of -function. (E62K, P34H, N92T, G12R)

These individuals typically presented in infancy with frequent infections, profound leukopaenia, lymphopaenia diarrhoea and hypogammaglobulinaemia.
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Amber- Immunodeficiency 73A with defective neutrophil chemotaxix and leukocytosis (Mono-allelic; loss of function)
Red- Immunodeficiency 73C with defective neutrophil chemotaxis and hypogammaglobulinaemia (Bi-allelic; loss of function)
Green- Immunodeficiency 73B with defective neutrophil chemotaxis and lymphopaenia (Mono-allelic; gain of function)
Combined Immunodeficiency v0.365 RAC2 Danielle Ariti reviewed gene: RAC2: Rating: GREEN; Mode of pathogenicity: Other; Publications: 21167572, 10758162, 10072071, 25512081, 32542921, 31919089; Phenotypes: Immunodeficiency 73A with defective neutrophil chemotaxix and leukocytosis MIM# 608203, Immunodeficiency 73C with defective neutrophil chemotaxis and hypogammaglobulinaemia MIM# 618987, Immunodeficiency 73B with defective neutrophil chemotaxis and lymphopaenia MIM# 618986; Mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Combined Immunodeficiency v0.0 RAC2 Zornitza Stark gene: RAC2 was added
gene: RAC2 was added to Combined immunodeficiency_MelbourneGenomics_AustralianGenomics_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services,Melbourne Genomics Health Alliance Immunology Flagship
Mode of inheritance for gene: RAC2 was set to Unknown