List of diseases covered by Oculocutaneous Albinism, Ocular Albinism, Hermansky-Pudlak Syndrome, Chediak-Higashi Syndrome NGS panel

List of diseases covered by
Oculocutaneous Albinism, Ocular Albinism, Hermansky-Pudlak Syndrome, Chediak-Higashi Syndrome
NGS panel

Gene Condition
AP3B1 Hermansky-Pudlak syndrome 2
BLOC1S3 Hermansky-Pudlak syndrome 8
BLOC1S6 Hermansky-pudlak syndrome 9
DTNBP1 Hermansky-Pudlak syndrome 7
GPR143 Nystagmus 6, congenital, X-linked;
Ocular albinism, type I, Nettleship-Falls type
HPS1 Hermansky-Pudlak syndrome 1
HPS3 Hermansky-Pudlak syndrome 3
HPS4 Hermansky-Pudlak syndrome 4
HPS5 Hermansky-Pudlak syndrome 5
HPS6 Hermansky-Pudlak syndrome 6
LRMDA Albinism, oculocutaneous, type VII
LYST Chediak-Higashi syndrome
OCA2 Albinism, oculocutaneous, type II
SLC24A5 Albinism, oculocutaneous, type VI
SLC45A2 Albinism, oculocutaneous, type IV
TYR Albinism, oculocutaneous, type IA;
Albinism, oculocutaneous, type IB;
Waardenburg syndrome/albinism, digenic
TYRP1 Albinism, oculocutaneous, type III

Oculocutaneous Albinism, Ocular Albinism, Hermansky-Pudlak Syndrome, Chediak-Higashi Syndrome

Oculocutaneous Albinism, Ocular Albinism, Hermansky-Pudlak Syndrome, Chediak-Higashi Syndrome
NGS panel

Genes
(full
coding region):
AP3B1, BLOC1S3, BLOC1S6, DTNBP1, GPR143, HPS1, HPS3, HPS4, HPS5, HPS6, LRMDA, LYST, OCA2, SLC24A5, SLC45A2, TYR, TYRP1

List of diseases covered by the panel


Lab method: NGS panel NGS panel with CNV

TAT: 6-9 weeks

Specimen requirements: 2-4 ml of blood with anticoagulant EDTA

1 µg DNA in TE, AE or pure sterile water at 100-250 ng/µl
The A260/A280 ratio should be 1.8-2.0. DNA sample should be run on an agarose gel as a single band, showing no degradation, alongside with a quantitative DNA marker.


Ordering information: Go to online ordering or download sample submission form

Deletion/duplication analysis

Genes: GPR143, OCA2, TYR

Lab method: MLPA

TAT: 4-6 weeks

Specimen requirements: 2-4 ml of blood with anticoagulant EDTA

1 µg DNA in TE, AE or pure sterile water at 100-250 ng/µl
The A260/A280 ratio should be 1.8-2.0. DNA sample should be run on an agarose gel as a single band, showing no degradation, alongside with a quantitative DNA marker.


Ordering information: Go to online ordering or download sample submission form

Indications for genetic testing:

  1. Confirmation of clinical diagnosis
  2. Carrier testing for at-risk family members
  3. Genetic counseling
  4. Prenatal diagnosis for known familial mutation

Albinism is a group of congenital disorders of melanin production characterized by variable hypopigmentation and vision defects, including impaired visual acuity, nystagmus, strabismus, astigmatism, and photophobia. The complete or partial absence of pigment may affect the eyes, skin and hair (oculocutaneous albinism) or only the eyes (ocular albinism).

Additionally, there are also syndromic forms of albinism such as Hermansky-Pudlak syndrome and Chediak-Higashi syndrome.

The prevalence of all known forms of albinism is estimated to be 1:17 000 newborns.

Oculocutaneous albinism (OCA) is divided into seven types, which are caused by mutations in the respective genes: OCA1 (TYR), OCA2 (OCA2), OCA3 (TYRP1), OCA4 (SLC45A2), OCA5 (chromosome 4q24), OCA6 (SLC24A5), and OCA7 (C10orf11). All forms of OCA are inherited autosomal recessively.

Ocular albinism is caused by mutations in the GPR143 gene and is inherited in an X-linked manner.

Mutations in HPS1 (HPS1), AP3B1 (HPS2), HPS3 (HPS3), HPS4 (HPS4), HPS5 (HPS5), HPS6 (HPS6), DTNBP1 (HPS7), BLOC1S3 (HPS8), and BLOC1S6 (HPS9) genes are known to cause different types of Hermansky-Pudlak syndrome (HPS). HPS is inherited in an autosomal recessive manner and characterized by OCA, bleeding disorders, pulmonary fibrosis, and granulomatous colitis.

The LYST gene is know to be associated with Chediak-Higashi syndrome (CHS). CHS is inherited in an autosomal recessive manner and characterized by partial OCA, immunodeficiency, peripheral neuropathy, and bleeding tendency.

List of diseases covered by Hermansky-Pudlak Syndrome NGS panel

List of diseases covered by
Hermansky-Pudlak Syndrome NGS panel

Gene Condition
AP3B1 Hermansky-Pudlak syndrome 2
BLOC1S3 Hermansky-Pudlak syndrome 8
BLOC1S6 Hermansky-pudlak syndrome 9
DTNBP1 Hermansky-Pudlak syndrome 7
HPS1 Hermansky-Pudlak syndrome 1
HPS3 Hermansky-Pudlak syndrome 3
HPS4 Hermansky-Pudlak syndrome 4
HPS5 Hermansky-Pudlak syndrome 5
HPS6 Hermansky-Pudlak syndrome 6

Hermansky-Pudlak Syndrome NGS panel

Hermansky-Pudlak Syndrome NGS panel

Genes
(full coding
region):
AP3B1, BLOC1S3, BLOC1S6, DTNBP1, HPS1, HPS3, HPS4, HPS5, HPS6

List of diseases covered by the panel


Lab method: NGS panel NGS panel with CNV

TAT: 6-9 weeks

Specimen requirements: 2-4 ml of blood with anticoagulant EDTA

1 µg DNA in TE, AE or pure sterile water at 100-250 ng/µl
The A260/A280 ratio should be 1.8-2.0. DNA sample should be run on an agarose gel as a single band, showing no degradation, alongside with a quantitative DNA marker.


Ordering information: Go to online ordering or download sample submission form

Indications for genetic testing:

  1. Confirmation of clinical diagnosis
  2. Carrier testing for at-risk family members
  3. Genetic counseling
  4. Prenatal diagnosis for known familial mutation

Hermansky-Pudlak syndrome (HPS) is inherited in an autosomal recessive manner and characterized by oculocutaneous albinism, bleeding disorders, pulmonary fibrosis, and granulomatous colitis. Mutations in HPS1 (HPS1), AP3B1 (HPS2), HPS3 (HPS3), HPS4 (HPS4), HPS5 (HPS5), HPS6 (HPS6), DTNBP1 (HPS7), BLOC1S3 (HPS8), and BLOC1S6 (HPS9) genes are known to cause different types of HPS.

 

List of diseases covered by Oculocutaneous Albinism, Ocular Albinism, Hermansky-Pudlak Syndrome, Chediak-Higashi Syndrome NGS panel

List of diseases covered by Oculocutaneous Albinism, Ocular Albinism, Hermansky-Pudlak Syndrome, Chediak-Higashi Syndrome NGS panel

Gene Condition
AP3B1 Hermansky-Pudlak syndrome 2
BLOC1S3 Hermansky-Pudlak syndrome 8
BLOC1S6 Hermansky-pudlak syndrome 9
DTNBP1 Hermansky-Pudlak syndrome 7
GPR143 Nystagmus 6, congenital, X-linked;
Ocular albinism, type I, Nettleship-Falls type
HPS1 Hermansky-Pudlak syndrome 1
HPS3 Hermansky-Pudlak syndrome 3
HPS4 Hermansky-Pudlak syndrome 4
HPS5 Hermansky-Pudlak syndrome 5
HPS6 Hermansky-Pudlak syndrome 6
LRMDA Albinism, oculocutaneous, type VII
LYST Chediak-Higashi syndrome
OCA2 Albinism, oculocutaneous, type II
SLC24A5 Albinism, oculocutaneous, type VI
SLC45A2 Albinism, oculocutaneous, type IV
TYR Albinism, oculocutaneous, type IA;
Albinism, oculocutaneous, type IB;
Waardenburg syndrome/albinism, digenic
TYRP1 Albinism, oculocutaneous, type III