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Human KERA Protein expressed in Wheat germ - ABIN1308536
Zhang, Mao, Schwend, Littlechild, Conrad: Resistance of corneal RFUVA–cross-linked collagens and small leucine-rich proteoglycans to degradation by matrix metalloproteinases. in Investigative ophthalmology & visual science 2013
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Data indicate that mammalian keratocan is conserved in zebrafish in terms of gene structure, expression pattern, and promoter function.
rare variant in KERA was identified in a large kindred with premature atherosclerosis
our results demonstrate the expression of keratocan by osteoblast lineage cells and its ability to modulate osteoblast function.
Keratocan plays a unique role in maintaining the appropriate corneal shape to ensure normal vision
Keratocan-deficient mice have corneal collagen fibrils with significantly larger diameters than those in wild-type mice, and increased centre-to-centre spacing of the fibrils.
lumican has a novel regulatory role in keratocan expression at the transcriptional level
lumican and keratocan core proteins bind the CXC chemokine KC during a corneal inflammatory response, indicating that corneal KSPGs mediate neutrophil recruitment to the cornea by regulating chemokine gradient formation.
We expand the phenotypic spectrum of biallelic KERA mutations in this report of a boy with juvenile corneal ectasia who was found to harbor an underlying novel homozygous mutation in the gene.
KERA mutation c.740A>G has been identified to date in three different populations, which makes it the most frequently occurring mutation in patients with cornea plana
The mutation that we report here leads to the deletion of a conserved amino acid (p.Phe125del) from the third LRR motif of the keratocan protein, which might lead to an abnormal tertiary structure of the protein, thereby leading to the disease.
a novel KERA variant, p.(Ile225Thr), was detected that segregates with Cornea plana in the homozygous form.
Corneal endothelial disorders were found with compound mutations in KERA
Linkage and haplotype analyses identified 12q21.33 as a locus for posterior amorphous corneal dystrophy. However, no mutations were identified in the candidate genes (KERA, LUM, DCN, EPYC) within this region.
KERA mutation is associated with autosomal recessive cornea plana
This is the first report of the identification of a mutation within KERA in a family of Hispanic origin with autosomal recessive cornea plana.
No evidence that endothelial dysfunction and germline mutation of lumican and keratocan genes participate in the etiology of subepithelial corneal haze.
Specific for mutation in KERA, the ophthalmic phenotype of recessive cornea plana does not significantly vary with different KERA mutations.
In addition, no pathogenic sequence variations were found in DCN, DSPG3, LUM, PITX2 and FOXC1, which have also been implicated in corneal and anterior segment dysgenesis.
This is the first description of recessive cornea plana in a white British family and it is the second report on the p.N247S change in the KERA gene.
Multiple core-protein species were detected for decorin, biglycan, lumican and keratocan in the degenerate osteoarthritic articular cartilage and menisci.
FGF-2- and TGF-beta1-activation of JNK signaling pathway may be partly responsible for the downregulation of keratocan and lumican expression in activated corneal keratocytes observed during corneal stromal wound healing.
May be important in developing and maintaining corneal transparency and for the structure of the stromal matrix.
, keratan sulfate proteoglycan keratocan
, KSPG keratocan
, corneal keratan sulfate proteoglycan 37A core protein