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Progressive Retinal Atrophy (Dominant PRA)

Test number: 8002

PRA

Breeds
Bull Mastiff , English Mastiff .
The Disease
Progressive retinal atrophy (PRA) is a leading hereditary cause of blindness in pedigree dogs as is its counterpart retinitis pigmentosa (RP) in humans. PRA shows genetic heterogeneity, as does RP, with several distinct forms already recognized and several more remaining to be investigated. Pups show signs of night-blindness by 6 weeks of age. By the age of 1-2 years most affected dogs are completely blind.
Trait of Inheritance
Mastiffs and Bullmastiffs exhibit the first, and so far, only form of canine Progressive Retinal Atrophy - PRA - that is inherited as a dominant trait. Therefore only affected or unaffected dogs can be found. The Mastiffs are affected by the late onset form of the PRA. Since vision loss might be recognised first when the dog is several years old, it is important to determine the actual status of the dog before breeding it.

Inheritance : AUTOSOMAL DOMINANT trait

 

Sire

  Dam   Offspring
         
Clear (N/N)
x
Clear (N/N)
>
100% Clear (N/N)
         
clear (N/N)
x
affected (N/PRA)
>
50%  Clear  (N/N) + 50% affected (N/PRA)
         
clear (N/N)
x
affected  (PRA/PRA)
>
100% affected (N/PRA)
         
affected (N/PRA)
x
Clear (N/N)
>
50%  Clear (N/N) + 50% affected (N/PRA)
         
affected (N/PRA)
x
affected (N/PRA)
>
25% clear (N/N) + 25% affected (PRA/PRA) + 50% affected (N/PRA)
         
affected (N/PRA)
x
affected (PRA/PRA)
>
50% affected (N/PRA)+ 50% affected (PRA/PRA)
         
affected  (PRA/PRA)
x
Clear (N/N)
>
100%  affected (N/PRA)
         
affected  PRA/PRA
x
affected (N/PRA)
>
50% affected (N/PRA)+ 50% affected  (PRA/PRA)
         
affected  (PRA/PRA)
x
affected  (PRA/PRA)
>
100% affected  (PRA/PRA)

 


Clear

Genotype: N / N [ Homozygous normal ]

The dog is noncarrier of the mutant gene.

The dog will never develop Progressive Retinal Atrophy (Dominant PRA) and therefore it can be used in breeding.

 

Affected

Affected dogs can have one of two genotypes:

Genotype: N / PRA [ Heterozygous affected], or

Genotype: PRA / PRA [ Homozygous mutant ]

 

It is not recommended to use affected dogs in breeding

The dog will develop Progressive Retinal Atrophy (Dominant PRA) and will pass the mutant gene to its offspring
Description

This is a mutation-based gene test, which offers many advantages over other methods

Progress in molecular genetics has allowed the identification of the gene mutation responsible for PRA in the Bull and English Mastiff. By DNA testing, the responsible mutation can be shown directly. This method provides a very high accuracy test and can be done at any age. It offers the possibility to distinguish between affected and clear dogs. This is an essential information for controlling the disease in the breed.

Sample Requirements
Whole blood in EDTA tube (0.5 - 1 ml) or Buccal Swabs. Whole blood in EDTA tube (0.5 - 1 ml) or Buccal swabs. .
Turnaround
2 - 3 weeks
Price
£ 48.00 (including VAT)

To order:

  • Download Order Form from this link pdf

  • Complete the order form and send it together with your samples to the following address:

    Laboklin (UK),   125 Northenden Road, Manchester, M33 3HF

See Also:
Copper Toxicosis (Copper Storage Disease )  
Globoid Cell Leukodystrophy (Krabbe Disease)  
CSNB (Congenital Stationary Night Blindness)  
CLAD (Canine Leukocyte Adhesion Deficiency)  
Cystinuria  
von Willebrand disease Type II (vWD II)  
PK Deficiency (Pyruvate Kinase Deficiency)  
Fucosidosis  
PFK Deficiency (Phosphofructokinase deficiency)  
Myotonia Congenita  
MH (Malignant Hyperthermia)  
X-Linked Severe Combined Immunodeficiency (X-SCID)  
GM1-Gangliosidosis  
Narcolepsy  
Muscular Dystrophy (MD)  
MPS ( Mucopolysaccharidosis type VII)  
Hereditary Myopathy / Centronuclear Myopathy (HMLR, CNM)  
Canine Cyclic Neutropenia (Gray Collie Syndrome)  
Progressive Retinal Atrophy (cord1- PRA)not recommended for diagnosis  
L-2-HGA ( L- 2 - hydroxyglutaric aciduria )  
von Willebrand disease Type I (vWD I)  
von Willebrand disease Type III (vWD III)  
Neuronal Ceroid Lipofuscinosis ( CL / NCL )  
Trapped Neutrophil Syndrome ( TNS )  
Progressive Retinal Atrophy (crd PRA)  
PDP 1 Deficiency (Pyruvate Dehydrogenase Phosphatase 1 Deficiency)  
Factor VII Deficiency  
Progressive Retinal Atrophy (rcd1 PRA)  
Progressive Retinal Atrophy (rcd3 PRA)  
Progressive Retinal Atrophy (rcd1a PRA)  
MDR1 Gene Defect / Ivermectin Sensitivity *  
Exercise Induced Collapse ( EIC )  
Dwarfism (Pituitary Dwarfism / Hypopituitarism)  
Degenerative Myelopathy / Degenerative Radiculomyelopathy) DM (Exon 2)  
Greyhound Neuropathy (Hereditary Neuropathy)  
Brittle Bone Disease (Osteogenesis Imperfecta)  
Glycogen Storage Disease (GSDllla)  
Hereditary Cataract (HSF4)  
Neonatal encephalopathy (NE / NEWS)  
Haemophilia B (factor IX deficiency)  
JEB (Junctional Epidermolysis bullosa)  
Primary Lens Luxation (PLL)  
Brachyury (Bobtail Gene / Short Tail)  
Familial Nephropathy (FN) / Hereditary Nephropathy *  
Startle Disease (SD) / Hyperekplexia  
Familial Nephropathy (FN) / Hereditary Nephropathy  
Myostatin Mutation ("Bully" Whippet)/ Double Muscling  
Hereditary Nephritis / Samoyed Hereditary Glomerulopathy  
Episodic Falling in Cavalier King Charles Spaniel (EF)  
Dry Eye and Curly Coat syndrome (CCS)  
Episodic Falling + Dry Eye Curly Coat syndrome  
Haemophilia A (factor VIII deficiency)  
Congenital Hypothyreosis / hypothyroidism (CHG)  
Hereditary Nasal Parakeratosis (HNPK)  
Juvenile Epilepsy (JE)  
Musladin-Lueke syndrome (MLS)  
Ichthyosis *  
Neonatal Cortical Cerebellar Abiotrophy (NCCD)  
Dwarfism (Skeletal Dysplasia 2)  
Primary Open Angle Glaucoma (POAG)  
Progressive Retinal Atrophy (generalized PRA)  
Progressive Retinal Atrophy (GR-PRA1)  
Progressive retinal atrophy ( rcd4-PRA) / LOPRA  
Alaskan Malamute Polyneuropathy (AMPN / IPAM / HPAM)  
Pug Dog Encephalitis (PDE) / Necrotizing Meningoencephalitis (NME)  
Polycystic Kidney Disease (PKD)  
Pompe's Disease (Glycogen Storage Disease type II / GSDII)  
Primary ciliary dyskinesia (PCD)  
Protein Losing Nephropathy (PLN)  
Late Onset Ataxia (LOA)  
Cobalamin Malabsorption (Imerslund-Gräsbeck syndrome (IGS))  
Collie Eye Anomaly (CEA) / Choroidal Hypoplasia (CH) Option 2 Optigen*  
Retinal Dysplasia (RD) / Oculo Skeletal Dysplasia (OSD)*  
Spinocerebellar ataxia (SCA)  
Cystinuria (Dominant)  
pap-PRA1 (Progressive Retinal Atrophy)  
Progressive Retinal Atrophy (BAS PRA)  
CMSD (Canine Multiple System Degeneration)  
Hereditary Cataract (HSF4) *  
Special offer 4: Juvenile Epilepsy + Furnishing + LSD  
Progressive Retinal Atrophy (prcd-PRA) Option 2: Optigen (8094X)  
Progressive Retinal Atrophy (prcd-PRA) Option 1: (8094P)  
Thrombopathia (Thrombopathy)  
Digital Hyperkeratosis (DH) (Hereditary Footpad Hyperkeratosis / Corny Feet)  
Degenerative Myelopathy / degenerative radiculomyelopathy) DM (Exon 1)  
Degenerative Myelopathy / degenerative radiculomyelopathy) DM (Exon 1 + Exon 2)  
Ectodermal Dysplasia / Skin Fragility Syndrome (ED / SFS)  
Hypomyelination (Shaking Puppy Syndrome) SPS  
Type A PRA * Optigen)  
Late Onset Ataxia (LOA) + Spinocerebellar Attaxia (SCA)  
Late Onset Ataxia (LOA) + Spinocerebellar Attaxia (SCA) + PLL  
Leonberger Polyneuropathy 1 ( LPN1)  
Adult Onset Neuropathy * (AON)  
Hereditary Ataxia (HA)  
Finnish Hound Ataxia / Cerebellar Ataxia (FHA / CAFH)  
Dandy-Walker-Like Malformation (DWLM)  
Persistent Müllerian duct syndrome (PMDS)  
Cone Degeneration (CD) by OptiGen *  
Fanconi Syndrome (FS) *  
Lagotto Storage Disease (LSD)  
Juvenile Laryngeal Paralysis & Polyneuropathy (JLPP)  
Progressive Retinal Atrophy (CNGA1 PRA)  
Achromatopsia (day blindness)  
Progressive Retinal Atrophy (GR-PRA2)  
Unspecified test  
Postoperative Hemorrhage (P2Y12 / P2RY12)  
Glanzmann Thrombasthenia (Thrombasthenia, Thrombasthenic thrombopathia, GT)  
Prekallikrein Deficiency (KTK) / Fletcher Factor Deficiency  
C3 Deficiency (Complement Component 3 deficiency)  
Congenital Myasthenic Syndrome (CMS)  
Bardet Biedl Syndrome (BBS)  
GM2 Gangliosidosis Variant 0 (Sandhoff Disease)  
Macrothrombocytopenia ( MTC-D )  
Renal Cystadenocarcinoma and Nodular Dermatofibrosis (RCND)  
Vitamin D-dependent Rickets (HVDRR)  
Amelogenesis Imperfecta (AI) / Familial Enamel Hypoplasia (FEH)  
X-linked Myotubular Myopathy (XLMTM)  
Collie Eye Anomaly (CEA) / Choroidal Hypoplasia (CH) Option 1*  
Macrothrombocytopenia ( MTC- R )  
Muscular Dystrophy (MDL)  
Mucopolysaccharidosis type IIIa (MPS IIIA)  
Neuroaxonal Dystrophy ( NAD )  
Progressive Retinal Atrophy (rcd2-PRA) Option 1 by Laboklin  
Ichthyosis ( Epidermolytic Hyperkeratosis (EHK) )  
May-Hegglin Anomaly (MHA)  
Alaskan Husky Encephalopathy (AHE)  
Cerebral Dysfunction (CDF)  
Dwarfism ( Chondrodysplasia )  
Ichthyosis (Congenital Ichthyosis / Great Dane Ichthyosis)  
Hemorrhagic Diathesis / Bleeding Diathesis (Canine Scott Syndrom)  
Glycogen storage disease type Ia (GSD Ia) / VON Grieke Disease  
Gallbladder Mucoceles  
Primary Hyperoxaluria type I (PH I)  
Hyperuricosuria / Urate Stones (HUU, SLC)  
Severe Combined Immunodeficiency (SCID)  
Leukocyte Adhesion Deficiency type III (LAD III)  
Cleft Lip / Palate and Syndactyly (CLPS)  
Progressive Retinal Atrophy (crd1 PRA)  
Progressive Retinal Atrophy (CRD2 PRA)  
Spondylocostal Dysostosis (Comma Defect)  
Canine Multi-Focal Retinopathy (CMR)  
Craniomandibular Osteopathy (CMO)  
Retinal Dysplasia (RD) / Oculo Skeletal Dysplasia (OSD)*  
Special Offer: DM (Exon 2) + MDR1  
Special Offer Chinese Crested: PLL + prcd PRA Option 1 + rcd3 PRA + DM Exon 2  
Warbung Micro Syndrome 1 (WARBM1)  
Raine Syndrome  
van den Ende-Gupta Syndrom (VDEGS)  
Lundehund-Syndrome ( Lymphagetasia )  
Obesity / Adiposity ( ADI )  
Alexander Disease (AxD) / Leukodystrophy  
Spinal Dysraphism / Neural Tube Defects ( NTD )  
Spongy Degeneration with Cerebellar Ataxia ( SDCA1 )  
XL - PRA (Progressive retinal Atrophy)  
Nemaline Myopathy (NM)  
Beagle DNA Bundle : IGS + MLS + NCCD + Osteogenesis imperfecta + PK + POAG  
Poodle DNA Bundle: DM exon2 + MH + NE + prcd-PRA option 1 + vWD1  
Golden Retriever DNA bundle: GR-PRA1 + GR-PRA2 + Ichthyosis + prcd-PRA option 1 + Muscular Dystrophy (MD)  
Pug Special Offer: DM Exon2 + MH + PDE / NME + PK + PLL  
Aussie DNA bundle: CEA option * + DM exon2 + HSF4 + MDR1 + MH + NCL + prcd-PRA Option 1*  
Collie DNA Bundle: CEA Option 1 + DM exon2 + HUU (SLC) + MDR1 + rcd2-PRA  
Border Collie DNA Bundle: CEA Option 1 + IGS + MDR1 + MH + NCL + TNS  
Pack A: CNM + DM exon2 + EIC + HNPK + OSD option 1 + prcd-PRA option 1 + SD2  
Pack B: AxD + Cystinuria + Narcolepsy + Obesity + PK + SLC + XL-MTM  
Ichthyosis  
Catalase Deficiency ( CAT ) / Hypocatalasemia / Acatalasia  
Juvenile Myoclonic Epilepsy ( JME )  
Paroxysmal Dyskinesia ( PxD )  
Spongy Degeneration with Cerebellar Ataxia ( SDCA2 )  
Belgian Shepherd Special Offer : SDCA1 + SDCA2  
Sensory Neuropathy ( SN )  
Acute Respiratory Distress Syndrome ( ARDS )  
POAG / PLL Primary Open Angle Glaucoma (POAG) and Primary Lens Luxation (PLL)  

 
 
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