Hereditary spastic paraplegia with recessive trait caused by mutation in KLC4 gene. 2015

Fatih Bayrakli, and Hatice Gamze Poyrazoglu, and Sirin Yuksel, and Cengiz Yakicier, and Bekir Erguner, and Mahmut Samil Sagiroglu, and Betul Yuceturk, and Bugra Ozer, and Selim Doganay, and Bahattin Tanrikulu, and Askin Seker, and Fatih Akbulut, and Ali Ozen, and Huseyin Per, and Sefer Kumandas, and Yasemin Altuner Torun, and Yasar Bayri, and Mustafa Sakar, and Adnan Dagcinar, and Ibrahim Ziyal
Department of Neurosurgery, Marmara University School of Medicine, Istanbul, Turkey.

We report an association between a new causative gene and spastic paraplegia, which is a genetically heterogeneous disorder. Clinical phenotyping of one consanguineous family followed by combined homozygosity mapping and whole-exome sequencing analysis. Three patients from the same family shared common features of progressive complicated spastic paraplegia. They shared a single homozygous stretch area on chromosome 6. Whole-exome sequencing revealed a homozygous mutation (c.853_871del19) in the gene coding the kinesin light chain 4 protein (KLC4). Meanwhile, the unaffected parents and two siblings were heterozygous and one sibling was homozygous wild type. The 19 bp deletion in exon 6 generates a stop codon and thus a truncated messenger RNA and protein. The association of a KLC4 mutation with spastic paraplegia identifies a new locus for the disease.

UI MeSH Term Description Entries
D008297 Male Males
D008869 Microtubule-Associated Proteins High molecular weight proteins found in the MICROTUBULES of the cytoskeletal system. Under certain conditions they are required for TUBULIN assembly into the microtubules and stabilize the assembled microtubules. Ensconsin,Epithelial MAP, 115 kDa,Epithelial Microtubule-Associate Protein, 115 kDa,MAP4,Microtubule Associated Protein,Microtubule Associated Protein 4,Microtubule Associated Protein 7,Microtubule-Associated Protein,Microtubule-Associated Protein 7,E-MAP-115,MAP1 Microtubule-Associated Protein,MAP2 Microtubule-Associated Protein,MAP3 Microtubule-Associated Protein,Microtubule Associated Proteins,Microtubule-Associated Protein 1,Microtubule-Associated Protein 2,Microtubule-Associated Protein 3,7, Microtubule-Associated Protein,Associated Protein, Microtubule,E MAP 115,Epithelial Microtubule Associate Protein, 115 kDa,MAP1 Microtubule Associated Protein,MAP2 Microtubule Associated Protein,MAP3 Microtubule Associated Protein,Microtubule Associated Protein 1,Microtubule Associated Protein 2,Microtubule Associated Protein 3,Microtubule-Associated Protein, MAP1,Microtubule-Associated Protein, MAP2,Microtubule-Associated Protein, MAP3,Protein 7, Microtubule-Associated,Protein, Microtubule Associated,Protein, Microtubule-Associated
D010264 Paraplegia Severe or complete loss of motor function in the lower extremities and lower portions of the trunk. This condition is most often associated with SPINAL CORD DISEASES, although BRAIN DISEASES; PERIPHERAL NERVOUS SYSTEM DISEASES; NEUROMUSCULAR DISEASES; and MUSCULAR DISEASES may also cause bilateral leg weakness. Paralysis, Lower Extremities,Paraplegia, Spastic,Spastic Paraplegia,Paralysis, Legs,Paralysis, Lower Limbs,Paraplegia, Ataxic,Paraplegia, Cerebral,Paraplegia, Flaccid,Paraplegia, Spinal,Ataxic Paraplegia,Ataxic Paraplegias,Cerebral Paraplegia,Cerebral Paraplegias,Flaccid Paraplegia,Flaccid Paraplegias,Paraplegias,Paraplegias, Ataxic,Paraplegias, Cerebral,Paraplegias, Flaccid,Paraplegias, Spastic,Paraplegias, Spinal,Spastic Paraplegias,Spinal Paraplegia,Spinal Paraplegias
D005091 Exons The parts of a transcript of a split GENE remaining after the INTRONS are removed. They are spliced together to become a MESSENGER RNA or other functional RNA. Mini-Exon,Exon,Mini Exon,Mini-Exons
D005260 Female Females
D005808 Genes, Recessive Genes that influence the PHENOTYPE only in the homozygous state. Conditions, Recessive Genetic,Genetic Conditions, Recessive,Recessive Genetic Conditions,Condition, Recessive Genetic,Gene, Recessive,Genetic Condition, Recessive,Recessive Gene,Recessive Genes,Recessive Genetic Condition
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001483 Base Sequence The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence. DNA Sequence,Nucleotide Sequence,RNA Sequence,DNA Sequences,Base Sequences,Nucleotide Sequences,RNA Sequences,Sequence, Base,Sequence, DNA,Sequence, Nucleotide,Sequence, RNA,Sequences, Base,Sequences, DNA,Sequences, Nucleotide,Sequences, RNA
D016547 Kinesins A family of microtubule-associated mechanical adenosine triphosphatases, that uses the energy of ATP hydrolysis to move organelles along microtubules including mitosis, meiosis, and axonal transport. Kinesin,Kinesin Heavy-Chain Protein,Kinesin Light-Chain Protein,Kinesin Light-Chain Proteins,Kinesin Superfamily,Heavy-Chain Protein, Kinesin,Light-Chain Protein, Kinesin,Light-Chain Proteins, Kinesin,Protein, Kinesin Heavy-Chain,Protein, Kinesin Light-Chain,Proteins, Kinesin Light-Chain,Superfamily, Kinesin
D017384 Sequence Deletion Deletion of sequences of nucleic acids from the genetic material of an individual. Deletion Mutation,Deletion Mutations,Deletion, Sequence,Deletions, Sequence,Mutation, Deletion,Mutations, Deletion,Sequence Deletions

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