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Table 7 Genes and proteins leading to retinal dystrophies involved in retinal development, mRNA splicing and other functions

From: Retinitis pigmentosa and allied conditions today: a paradigm of translational research

Gene

Location

Protein

Function

%

Type of RP

KCNV2

9p24.2

potasium channel subfamily V member 2

Ion interchange

 

arCOD

IMPDH1

7q32.1

inosine monophosphate dehydrogenase 1

Nucleotide biosynthesis

2.5

adRP, adLCA

CRX

19q13.32

cone-rod otx-like photoreceptor homeobox transcription factor

Retinal development

1

adRP, adLCA, arLCA, adCORD

NRL

14q11.2

neural retina leucine zipper

Retinal development

0.7

adRP, arRP

NR2E3

15q23

nuclear receptor subfamily 2 group E3

Retinal development

 

arRP

EYS

6q12

eyes shut/spacemaker (Drosophila) homolog

Unknown

 

arRP

HPRP3

1q21.3

human homolog of yeast pre-mRNA splicing factor 3

mRNA splicing

1

adRP

PRPF8

17p13.3

human homolog of yeast pre-mRNA splicing factor C8

mRNA splicing

3

adRP

PRPF31

19q13.42

human homolog of yeast pre-mRNA splicing factor 31

mRNA splicing

8

adRP

PROM1

4p15.32

Prominin

Photoreceptor discs development

 

adCORD, adMD

SNRNP200

2q11.2

small nuclear ribonucleoprotein 200kDa

mRNA splicing

 

adRP

KLHL7

7p15.3

kelch-like 7 protein (Drosophila)

Protein degradation

 

adRP

TOPORS

9p21.1

topoisomerase I binding arginine/serine rich protein

mRNA splicing

1

adRP

RD3

1q32.3

protein: RD3 protein

Unknown

 

arLCA

RAX2

19p13.3

retina and anterior neural fold homeobox 2 transcription factor

Retina development

 

CORD

SEMA4A

1q22

Semaphorin 4A

Neuronal development

 

adCORD

RIMS1

6p13

regulating synaptic membrane exocytosis protein

Ribbon synapse trafficking

 

adCORD

CACNA2D4

12p13.33

calcium channel, voltage-dependent, alpha 2/delta subunit 4

Ribbon synapse trafficking

 

arCOD

CERKL

2q31.3

ceramide kinase-like protein

  

arRP

AIPL1

17q13.2

arylhydrocarbon-interacting receptor protein-like 1

Chaperone

3.4

arLCA, adCORD

PAP1

7p14.3

PIM-1 kinase

mRNA splicing

 

adRP

ADAM9

8p11.23

ADAM metallopeptidase domain 9 (meltrin gamma) protein

Structural: adhesion molecule

 

CORD

CNNM4

2q11.2

cyclin M4

Neural retina function

 

Jalili synd.

TRPM1

15q13.3

transient receptor potential cation channel, subfamily M, member 1 (melastatin)

Light-evoked response of the inner retina

 

adCSNB

SPATA7

14q31.3

spermatogenesis associated protein 7

Unknown

 

arLCA, arRP

TSPAN12

7q31.31

tetraspanin 12

Retinal development

 

FEVR

OTX2

14q22.3

orthodenticle homeobox 2 protein

Retinal development

 

adLCA

ASCC3L1

2q11.2

activating signal cointegrator 1 complex subunit 3-like 1

Unknown

 

adRP

CABP4

11q13.1

calcium binding protein 4

Synapsis function

 

arCORD

USH3A

3q21-q25

clarin-1

Ribbon synapse trafficking

 

USH

  1. adCORD: autosomal-dominant cone and rod dystrophy; adCSNB: autosomal dominant congenital stationary night blindness adLCA: autosomal dominant Leber's congenital amaurosis; adMD: autosomal-dominant macular dystrophy; adRP: autosomal-dominant retinitis pigmentosa; arCOD: autosomal recessive cone dystrophy; arCORD: autosomal-recessive cone and rod dystrophy; arLCA: autosomal-recessive Leber's congenital amaurosis; arRP: autosomal-recessive retinitis pigmentosa; CORD: cone and rod dystrophy; FEVR: familial exhudative vitreoretinopathy; RP: retinitis pigmentosa; USH: Usher syndrome;