K
Kumiko Murayama
Publications - 20
Citations - 1637
Kumiko Murayama is an academic researcher. The author has contributed to research in topics: Myopathy & Hereditary inclusion body myopathy. The author has an hindex of 16, co-authored 20 publications receiving 1548 citations.
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Journal ArticleDOI
The sarcolemmal proteins dysferlin and caveolin-3 interact in skeletal muscle
Chie Matsuda,Chie Matsuda,Yukiko K. Hayashi,Megumu Ogawa,Masashi Aoki,Kumiko Murayama,Ichizo Nishino,Ikuya Nonaka,Kiichi Arahata,Robert H. Brown +9 more
TL;DR: The hypothesis that one function of dysferlin may be to interact with caveolin-3 to subserve signaling functions of caveolae is suggested.
Journal ArticleDOI
Clinicopathological features of genetically confirmed Danon disease
Kazuma Sugie,A. Yamamoto,Kumiko Murayama,Shin J. Oh,Masanori P. Takahashi,Marina Mora,Jack E. Riggs,Jaume Colomer,C. Iturriaga,A. Meloni,Costanza Lamperti,Shinji Saitoh,Edward Byrne,Salvatore DiMauro,Ikuya Nonaka,Michio Hirano,Ichizo Nishino +16 more
TL;DR: The features of 20 affected men and 18 affected women in 13 families with genetically confirmed Danon disease were reviewed in this paper, which revealed basophilic vacuoles that contain acid phosphatase-positive material within membranes that lack lysosome-associated membrane protein-2.
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Distal myopathy with rimmed vacuoles is allelic to hereditary inclusion body myopathy
Ichizo Nishino,Satoru Noguchi,Kumiko Murayama,Adel Driss,Kazuma Sugie,Yasushi Oya,Tetsuya Nagata,K. Chida,Tetsuya Takahashi,Yuichi Takusa,Takekazu Oh-i,J. Nishimiya,N. Sunohara,Emma Ciafaloni,Motoharu Kawai,Masashi Aoki,Ikuya Nonaka +16 more
TL;DR: DMRV is allelic to HIBM, an autosomal-recessive disorder with preferential involvement of the tibialis anterior muscle that starts in young adulthood and spares quadriceps muscles and various mutations are associated with DMRV in Japan.
Journal ArticleDOI
Central core disease is due to RYR1 mutations in more than 90% of patients.
Shiwen Wu,M Carlos A. Ibarra,May Christine V. Malicdan,Kumiko Murayama,Yasuko Ichihara,Hirosato Kikuchi,Ikuya Nonaka,Satoru Noguchi,Yukiko K. Hayashi,Ichizo Nishino +9 more
TL;DR: The results indicate that CCD may be caused by RYR1 mutations in the majority of patients, and sequenced all the 106 exons encoding RYP1 with their flanking exon-intron boundaries, and identified 20 novel and 3 previously reported heterozygous missense mutations in 25 of the 27 CCD patients.
Journal ArticleDOI
Reduction of UDP-N-acetylglucosamine 2-epimerase/N-acetylmannosamine kinase activity and sialylation in distal myopathy with rimmed vacuoles.
Satoru Noguchi,Yoko Keira,Kumiko Murayama,Megumu Ogawa,Masako Fujita,Genri Kawahara,Yasushi Oya,Masaoki Imazawa,Yu-ichi Goto,Yukiko K. Hayashi,Ikuya Nonaka,Ichizo Nishino +11 more
TL;DR: The addition of ManNAc and NeuAc to primary cultured cells normalized sialylation levels, thus demonstrating the therapeutic potential of these compounds for this disease.