Table 2 of Szaflik, Mol Vis 2008; 14:1713-1718.


Table 2. KRT3 and KRT12 genotypes and symptoms in patients with MCD.

Gene/exon Nucleotide Protein Ocular symptoms Reference
KRT3



exon 7 1493A>T E498V asymptomatic present study
exon 7 1508G>C R503P foreign body sensation, mild blurred vision [6]
exon 7 1525G>A E509K - [4]
KRT12



exon 1 410T>C M129T - [14,15]
exon 1 413A>C Q130P recurrent painful erosions, foreign body sensation, photophobia, lacrimation, blurred vision [16]
exon 1 423A>G N133K soreness of both eyes; deterioration in visual acuity [17]
exon 1 427A>G R135G photophobia, lacrimation, itching [18]
exon 1 428G>T R135I photophobia, lacrimation, itching [18]
exon 1 428G>C R135T - [4,14]
exon 1 429A>C R135S post-traumatic recurrent erosion [13]
exon 1 433G>C A137P photophobia [19]
exon 1 443T>G L140R photophobia, lacrimation, itching [18]
exon 1 451G>C V143L - [4]
exon 1 451G>T V143L asymptomatic [20]
exon 6 1222+ATCAGCAACCTGGAGGCACAGCTGCTC 400 ins ISNLEAQLL recurrent erosions, foreign body sensation, photophobia, fluctuating vision, contact lens intolerance [13]
exon 6 1300A>G I426V asymptomatic [21]
exon 6 1301T>G I426S photophobia [15]
exon 6 1286A>C Y429D photophobia, lacrimation, itching [18]
exon 6 1286A>G Y429C recurrent erosions, foreign body sensation, photophobia, lacrimation, fluctuation of visual acuity [6]
exon 6 1289G>C R430P symptoms from birth; photophobia, lacrimation, periodic burning, irritation, significant impairment of visual acuity [7]