OPDM1 LRP12

Disease ID
OPDM1
Gene ID
LRP12
Updated
Jan 23, 2026
v2.14.0
Suggest Edit

Disease

Name
Oculopharyngodistal myopathy type 1
Inheritance
Autosomal dominant
Description
Adult-onset ptosis, dysphagia1 ; External ophthalmoplegia, facial weakness, pharyngeal, and distal limb weakness2 ; May be slight male predominance3 .
Prevalence
Population dependent; unknown percentage of LRP12 pathogenic variants. Typically East Asian ancestry2 ; potentially most frequent cause of OPDM in Japan3 .
Age of Onset(Typical)Years7  6631  51
Age of Onset Details
Typical: 31-513 ; Range: 7-664 .

Locus

Details
Benign range (13-45) inferred from cohort data, but pathogenic range isn't yet fully understood5 . In a cohort of 65 patients from 59 families, alleles ranged from 85-289 repeats, with an inverse relationship between size and age of onset3 . Inherited peripheral neuropathy (IPN) may be associated with shorter expansions6 . Interruptions seen: ACG, CCA7 .
Mechanism
GoF?
RNA mediated toxicity hypothesized8 ; may involve RAN translation9 . Somatic mosicism and hypermethylation have also been reported10 .
Year
201911
Location in Gene
5' UTR
Gene Strand

Alleles

Ref. Motif
CGC
Pathogenic (ref.)
CGC
Pathogenic (gene)
CGG
BenignPathogenicUnits13  4585  289

gnomAD

References

Direct supporting references for info on this page.

1
Repeat expansion disorders.
Zhongbo,Chen, Huw R,Morris, James,Polke, Nicholas W,Wood, Sonia,Gandhi, Mina,Ryten, Henry,Houlden, Arianna,Tucci
Practical neurology · 2025-05-15
pmid:39349043
2
Neurological disorders caused by novel non-coding repeat expansions: clinical features and differential diagnosis.
Elisa,Vegezzi, Hiroyuki,Ishiura, D Cristopher,Bragg, David,Pellerin, Francesca,Magrinelli, Riccardo,Currò, Stefano,Facchini, Arianna,Tucci, John,Hardy, Nutan,Sharma, Matt C,Danzi, Stephan,Zuchner, Bernard,Brais, Mary M,Reilly, Shoji,Tsuji, Henry,Houlden, Andrea,Cortese
The Lancet. Neurology · 2024-07-01
pmid:38876750
3
Clinicopathologic Features of Oculopharyngodistal Myopathy With LRP12 CGG Repeat Expansions Compared With Other Oculopharyngodistal Myopathy Subtypes.
Theerawat,Kumutpongpanich, Masashi,Ogasawara, Ayami,Ozaki, Hiroyuki,Ishiura, Shoji,Tsuji, Narihiro,Minami, Shinichiro,Hayashi, Satoru,Noguchi, Aritoshi,Iida, Ichizo,Nishino, Madoka,Mori-Yoshimura, Yasushi,Oya, Kenjiro,Ono, Toshio,Shimizu, Akihiro,Kawata, Shun,Shimohama, Keiko,Toyooka, Kaoru,Endo, Shuta,Toru, Oga,Sasaki, Kenji,Isahaya, Masanori P,Takahashi, Kazuo,Iwasa, Jun-Ichi,Kira, Tatsuya,Yamamoto, Michi,Kawamoto, Tadanori,Hamano, Kazuma,Sugie, Nobuyuki,Eura, Tomo,Shiota, Mizuho,Koide, Kanako,Sekiya, Hideaki,Kishi, Takuto,Hideyama, Shigeru,Kawai, Satoshi,Yanagimoto, Hiroyasu,Sato, Hajime,Arahata, Shigeo,Murayama, Kayoko,Saito, Hideo,Hara, Takashi,Kanda, Hiroshi,Yaguchi, Noboru,Imai, Yuichi,Kawagashira, Mitsuru,Sanada, Kazuki,Obara, Misako,Kaido, Minori,Furuta, Takashi,Kurashige, Wataru,Hara, Daisuke,Kuzume, Mamoru,Yamamoto, Jun,Tsugawa, Hitaru,Kishida, Naoki,Ishizuka, Kohei,Morimoto, Yukio,Tsuji, Atsuko,Tsuneyama, Atsuhiro,Matsuno, Ryo,Sasaki, Daigo,Tamakoshi, Erika,Abe, Shinichiro,Yamada, Akiyuki,Uzawa
JAMA neurology · 2021-07-01
pmid:34047774
4
Prognosis of benign epilepsy of children with centro-temporal EEG foci.
K,Takahashi, M,Saito, K,Kyo, K,Gomibuchi, S,Niijima, H,Tada, T,Honda, Y,Sato, H,Takahashi, C,Ohtsuka
The Japanese journal of psychiatry and neurology · 1990-06-01
pmid:2124290
5
Resources for Genetics Professionals — Genetic Disorders Caused by Nucleotide Repeat Expansions and Contractions
Stephanie E.,Wallace, Lora JH,Bean
GeneReviews® [Internet] · 2022-10-20
genereviews:NBK535148
6
Linking LRP12 CGG repeat expansion to inherited peripheral neuropathy.
Takahiro,Hobara, Masahiro,Ando, Yujiro,Higuchi, Jun-Hui,Yuan, Akiko,Yoshimura, Fumikazu,Kojima, Yutaka,Noguchi, Jun,Takei, Yu,Hiramatsu, Satoshi,Nozuma, Tomonori,Nakamura, Tadashi,Adachi, Keiko,Toyooka, Toru,Yamashita, Yusuke,Sakiyama, Akihiro,Hashiguchi, Eiji,Matsuura, Yuji,Okamoto, Hiroshi,Takashima
Journal of neurology, neurosurgery, and psychiatry · 2025-01-16
pmid:39013564
7
Comprehensive genetic diagnosis of tandem repeat expansion disorders with programmable targeted nanopore sequencing.
Igor,Stevanovski, Sanjog R,Chintalaphani, Hasindu,Gamaarachchi, James M,Ferguson, Sandy S,Pineda, Carolin K,Scriba, Michel,Tchan, Victor,Fung, Karl,Ng, Andrea,Cortese, Henry,Houlden, Carol,Dobson-Stone, Lauren,Fitzpatrick, Glenda,Halliday, Gianina,Ravenscroft, Mark R,Davis, Nigel G,Laing, Avi,Fellner, Marina,Kennerson, Kishore R,Kumar, Ira W,Deveson
Science advances · 2022-03-04
pmid:35245110
9
Sequence composition changes in short tandem repeats: heterogeneity, detection, mechanisms and clinical implications.
Indhu-Shree,Rajan-Babu, Egor,Dolzhenko, Michael A,Eberle, Jan M,Friedman
Nature reviews. Genetics · 2024-03-11
pmid:38467784
10
Comparative Analysis of CRISPR/Cas9-targeted Nanopore Sequencing Approaches in Repeat Expansion Disorders.
Louise,Benarroch, Pierre-Yves,Boëlle, Hélène,Madry, Badreddine,Mohand Oumoussa, Nobuyuki,Eura, Ichizo,Nishino, Karim,Labrèche, Valeriia,Gorbunova, Guillaume,Bassez, Tanya,Stojkovic, Geneviève,Gourdon, Gisèle,Bonne, Stéphanie,Tomé
Genomics, proteomics & bioinformatics · 2025-10-22
pmid:41131788
11
Noncoding CGG repeat expansions in neuronal intranuclear inclusion disease, oculopharyngodistal myopathy and an overlapping disease.
Hiroyuki,Ishiura, Shota,Shibata, Jun,Yoshimura, Yuta,Suzuki, Wei,Qu, Koichiro,Doi, M Asem,Almansour, Junko Kanda,Kikuchi, Makiko,Taira, Jun,Mitsui, Yuji,Takahashi, Yaeko,Ichikawa, Tatsuo,Mano, Atsushi,Iwata, Yasuo,Harigaya, Miho Kawabe,Matsukawa, Takashi,Matsukawa, Masaki,Tanaka, Yuichiro,Shirota, Ryo,Ohtomo, Hisatomo,Kowa, Hidetoshi,Date, Aki,Mitsue, Hiroyuki,Hatsuta, Satoru,Morimoto, Shigeo,Murayama, Yasushi,Shiio, Yuko,Saito, Akihiko,Mitsutake, Mizuho,Kawai, Takuya,Sasaki, Yusuke,Sugiyama, Masashi,Hamada, Gaku,Ohtomo, Yasuo,Terao, Yoshihiko,Nakazato, Akitoshi,Takeda, Yoshio,Sakiyama, Yumi,Umeda-Kameyama, Jun,Shinmi, Katsuhisa,Ogata, Yutaka,Kohno, Shen-Yang,Lim, Ai Huey,Tan, Jun,Shimizu, Jun,Goto, Ichizo,Nishino, Tatsushi,Toda, Shinichi,Morishita, Shoji,Tsuji
Nature genetics · 2019-07-22
pmid:31332380

Additional Literature

Additional literature related to this locus.

Raw PubMed search results
(All PubMed results returned by searching for this gene, tandem repeats, and disease, in medline format)

A Family with Patients Manifesting Different Phenotypes of Neuromuscular Disease Depending on the CGG Repeat Number in LRP12.
Yohei,Iguchi, Koyo,Tsujikawa, Ayuka,Murakami, Kodai,Kume, Yuka,Nakazawa, Taichi,Oso, Yosuke,Nishio, Koji,Matsuo, Yuki,Fukami, Kunihiko,Araki, Tomoo,Ogi, Hideshi,Kawakami, Masahisa,Katsuno
Internal medicine (Tokyo, Japan) · 2025-10-23
pmid:41125376
CGG repeat expansions in Charcot-Marie-Tooth disease: insights from the 100 000 Genomes Project.
Alessandro,Bertini, Stefano,Facchini, Ilaria,Quartesan, Riccardo,Currò, Ricardo Parolin,Schnekenberg, Natalia,Dominik, Gustavo,Alves, Lucia,Ferullo, Arianna,Tucci, Henry,Houlden, Mary M,Reilly, Andrea,Cortese
Journal of neurology, neurosurgery, and psychiatry · 2025-07-11
pmid:40645757
Comparative Genotyping of Malaysian Clinical Isolates of
Nurul Asyikin,Abdul Rahman, AbdulRahman,Muthanna, Mohd Nasir Mohd,Desa, Nurul Diana,Dzaraly, Hazmin,Hazman, Nurshahira,Sulaiman, Norfazlina,Mohamad, Maitasha Alia Meor,Yahaya, Mazen M,Jamil Al-Obaidi, Niazlin,Mohd Taib, Siti Norbaya,Masri
The Malaysian journal of medical sciences : MJMS · 2025-02-28
pmid:40417202
A case report of oculopharyngodistal myopathy with 126 CGG repeat expansions in
Wenjing,Wang, Tielun,Yin, Xinyu,Zhang, Zhaoxia,Wang, Tianyun,Wang, Shuo,Zhang, Yingshuang,Zhang, Dongsheng,Fan
Frontiers in genetics · 2025-02-27
pmid:40084170
Short tandem repeat expansions in
Lyndal,Henden, Liam G,Fearnley, Dean,Southwood, Andrew,Smith, Dominic B,Rowe, Matthew C,Kiernan, Roger,Pamphlett, Melanie,Bahlo, Ian P,Blair, Kelly L,Williams
Amyotrophic lateral sclerosis & frontotemporal degeneration · 2024-05-10
pmid:38726482
Non-coding CGG repeat expansion in
Xinyu,Gu, Jiaxi,Yu, Kexin,Jiao, Jianwen,Deng, Xingyu,Xia, Kai,Qiao, Dongyue,Yue, Mingshi,Gao, Chongbo,Zhao, Jihong,Dong, Gongchun,Huang, Jingli,Shan, Chuanzhu,Yan, Li,Di, Yuwei,Da, Wenhua,Zhu, Jianying,Xi, Zhaoxia,Wang
Journal of medical genetics · 2024-03-21
pmid:37923380
A large pedigree study confirmed the CGG repeat expansion of RILPL1 Is associated with oculopharyngodistal myopathy.
Xinzhuang,Yang, Dingding,Zhang, Si,Shen, Pidong,Li, Mengjie,Li, Jingwen,Niu, Dongrui,Ma, Dan,Xu, Shuangjie,Li, Xueyu,Guo, Zhen,Wang, Yanhuan,Zhao, Haitao,Ren, Chao,Ling, Yang,Wang, Yu,Fan, Jianxiong,Shen, Yicheng,Zhu, Depeng,Wang, Liying,Cui, Lin,Chen, Changhe,Shi, Yi,Dai
BMC medical genomics · 2023-10-20
pmid:37864208
CGG repeat expansion in LRP12 in amyotrophic lateral sclerosis.
Kodai,Kume, Takashi,Kurashige, Keiko,Muguruma, Hiroyuki,Morino, Yui,Tada, Mai,Kikumoto, Tatsuo,Miyamoto, Silvia Natsuko,Akutsu, Yukiko,Matsuda, Shinya,Matsuura, Masahiro,Nakamori, Ayumi,Nishiyama, Rumiko,Izumi, Tetsuya,Niihori, Masashi,Ogasawara, Nobuyuki,Eura, Tamaki,Kato, Mamoru,Yokomura, Yoshiaki,Nakayama, Hidefumi,Ito, Masataka,Nakamura, Kayoko,Saito, Yuichi,Riku, Yasushi,Iwasaki, Hirofumi,Maruyama, Yoko,Aoki, Ichizo,Nishino, Yuishin,Izumi, Masashi,Aoki, Hideshi,Kawakami
American journal of human genetics · 2023-06-19
pmid:37339631
Expanded clinical spectrum of oculopharyngodistal myopathy type 1.
Takahiro,Shimizu, Hiroyuki,Ishiura, Manato,Hara, Shota,Shibata, Atsushi,Unuma, Akatsuki,Kubota, Kaori,Sakuishi, Kiyoharu,Inoue, Jun,Goto, Yuji,Takahashi, Yuichiro,Shirota, Masashi,Hamada, Jun,Shimizu, Shoji,Tsuji, Tatsushi,Toda
Muscle & nerve · 2022-09-27
pmid:36052448