X-linked intellectual disability, Snyder type

X-linked intellectual disability, Snyder type is a rare X-linked intellectual disability syndrome characterized by hypotonia, asthenic build with diminished muscle mass, severe generalized psychomotor delay, unsteady gait and moderate to severe intellectual disability, as well as a long, thin, asymmetrical face with prominent lower lip, long fingers and toes and nasal, dysarthric or absent speech. Bone abnormalities (e.g., osteoporosis, kyphoscoliosis, fractures, joint contractures) are also characteristic. Myoclonic, or myoclonic-like, seizures and renal abnormalities have been associated in some patients.



患者の 徴候症状 を入力


症例報告を絞り込む



合計: 4 (症例報告)

  


(表示件数)
対応する徴候・症状  遺伝子  変異  キーワード(MeSH)
順位
(類似度)
PMID
(PMCID)
1
(63.5%)
19842190
Characterization of a new X-linked mental retardation syndrome with microcephaly, cortical malformation, and thin habitus.
du Souich C, Chou A, Yin J, Oh T, Nelson TN, Hurlburt J, Arbour L, Friedlander R, McGillivray BC, Tyshchenko N, Rump A, Poskitt KJ, Demos MK, Van Allen MI, Boerkoel CF.
Am J Med Genet A. 2009;149A(11):2469-78.
小顎 眼瞼裂斜上
rs121909833
X連鎖精神遅滞 ヒト 中年 体質 妊娠 子供 子供(未就学) 小頭症 幼児 成人 新生児 磁気共鳴画像法 致死的転帰 顔貌
2
(52.8%)
23696453
A Y328C missense mutation in spermine synthase causes a mild form of Snyder-Robinson syndrome.
Zhang Z, Norris J, Kalscheuer V, Wood T, Wang L, Schwartz C, Alexov E, Van Esch H.
Hum Mol Genet. 2013;22(18):3789-97.
顔面非対称 後弯 長い指
SMS
c|SUB|A|1084|G;RS#:397515553 p|SUB|Y|328|C;RS#:397515553 rs1556001138 rs397515553
PC12細胞 X連鎖精神遅滞 X連鎖遺伝子 スペルミン合成酵素 ヒト ミスセンス変異 ラット 動物 培養細胞 成人 神経突起 表現型
3
(23.3%)
23897707
Snyder-Robinson syndrome: a novel nonsense mutation in spermine synthase and expansion of the phenotype.
Peron A, Spaccini L, Norris J, Bova SM, Selicorni A, Weber G, Wood T, Schwartz CE, Mastrangelo M.
Am J Med Genet A. 2013;161A(9):2316-20.
骨粗鬆症 後側弯
c|SUB|G|200|A;RS#:397515550 p|SUB|G|67|X;RS#:397515550 rs397515550
X連鎖精神遅滞 スペルミン合成酵素 ナンセンスコドン ヒト 幼児 表現型
4
(21.2%)
30237987
(6140707)
Snyder-Robinson syndrome.
Starks R, Kirby P, Ciliberto M, Hefti M.
Autops Case Rep. 2018;8(3):e2018031.
骨粗鬆症
SMS SRPX
c|SUB|G|831|T p|SUB|L|277|F
        

徴候・症状リスト(Orphanetデータベースから取得)

    合計: 66

HPO ID 徴候・症状 頻度
HP:0002751 後側弯 Very frequent (99-80%)
HP:0000175 口蓋裂 Frequent (79-30%)
HP:0000179 分厚い下口唇唇紅部 Frequent (79-30%)
HP:0000275 狭い顔 Frequent (79-30%)
HP:0000276 長い顔 Frequent (79-30%)
HP:0000324 顔面非対称 Frequent (79-30%)
HP:0000939 骨粗鬆症 Frequent (79-30%)
HP:0001166 くも指 Frequent (79-30%)
HP:0001519 不均衡型高身長 Frequent (79-30%)
HP:0001611 鼻声発語 Frequent (79-30%)
HP:0002317 不安定歩行 Frequent (79-30%)
HP:0002808 後弯 Frequent (79-30%)
HP:0003199 筋量減少 Frequent (79-30%)
HP:0008947 乳児筋性筋緊張低下 Frequent (79-30%)
HP:0010511 長い趾 Frequent (79-30%)
HP:0011308 細い趾 Frequent (79-30%)
HP:0000028 停留精巣 Occasional (29-5%)
HP:0000029 精巣萎縮 Occasional (29-5%)
HP:0000047 尿道下裂 Occasional (29-5%)
HP:0000160 狭い口 Occasional (29-5%)
HP:0000218 高口蓋 Occasional (29-5%)
HP:0000316 両眼隔離 Occasional (29-5%)
HP:0000319 平坦な人中 Occasional (29-5%)
HP:0000369 耳介低位 Occasional (29-5%)
HP:0000414 球状の鼻 Occasional (29-5%)
HP:0000426 目立つ鼻梁 Occasional (29-5%)
HP:0000463 上向きの鼻孔 Occasional (29-5%)
HP:0000465 翼状頚 Occasional (29-5%)
HP:0000582 眼瞼裂斜上 Occasional (29-5%)
HP:0000664 連続眉毛 Occasional (29-5%)
HP:0000678 歯混雑 Occasional (29-5%)
HP:0000750 発語および言語発達遅延 Occasional (29-5%)
HP:0001256 知的障害, 軽度 Occasional (29-5%)
HP:0001336 ミオクローヌス Occasional (29-5%)
HP:0001344 発語欠損 Occasional (29-5%)
HP:0001999 異常な顔の形 Occasional (29-5%)
HP:0002123 全身性ミオクローヌス発作 Occasional (29-5%)
HP:0002353 脳波異常 Occasional (29-5%)
HP:0002540 歩行不能 Occasional (29-5%)
HP:0002757 反復性骨折 Occasional (29-5%)
HP:0003698 起立困難 Occasional (29-5%)
HP:0004305 不随意運動 Occasional (29-5%)
HP:0007509 斑状低および高色素 Occasional (29-5%)
HP:0007687 片側性眼瞼下垂 Occasional (29-5%)
HP:0010722 耳非対称 Occasional (29-5%)
HP:0011153 焦点性運動発作 Occasional (29-5%)
HP:0045075 Sparse eyebrow Occasional (29-5%)
HP:0000086 異所性腎 Very rare (4-1%)
HP:0000232 下口唇唇紅部外反 Very rare (4-1%)
HP:0000248 短頭 Very rare (4-1%)
HP:0000303 下顎突出 Very rare (4-1%)
HP:0000322 短い人中 Very rare (4-1%)
HP:0000378 コップ状耳 Very rare (4-1%)
HP:0000385 小さい耳朶 Very rare (4-1%)
HP:0000391 分厚い耳輪 Very rare (4-1%)
HP:0000520 眼球突出 Very rare (4-1%)
HP:0000767 漏斗胸 Very rare (4-1%)
HP:0000768 はと胸 Very rare (4-1%)
HP:0001355 巨大脳症 Very rare (4-1%)
HP:0002181 大脳浮腫 Very rare (4-1%)
HP:0002187 知的障害, 最重度 Very rare (4-1%)
HP:0004322 低身長 Very rare (4-1%)
HP:0006610 幅広い乳頭間距離 Very rare (4-1%)
HP:0010789 Leydig 細胞異常 Very rare (4-1%)
HP:0011003 重度近視 Very rare (4-1%)
HP:0012385 屈指 Very rare (4-1%)


徴候・症状リスト(症例報告から取得)

    合計: 6

HPO ID 徴候・症状 症例報告数
HP:0001250 発作 2
HP:0000324 顔面非対称 1
HP:0000939 骨粗鬆症 1
HP:0001249 知的障害 1
HP:0001276 筋緊張亢進 1
HP:0002317 不安定歩行 1


疾患原因遺伝子リスト(Orphanetデータベースから取得)

    合計: 1

Gene Symbol 遺伝子名 Entrez Gene ID
SMS spermine synthase 6611