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U-CH1
Tissue
骨骼,骶骨
Disease
骶骨脊索瘤
Synonyms
UCH-1, UCH1

Documents

U-CH1

Cell line · Product number 305885

The U-CH1 cell line is the first established permanent human chordoma cell model, derived from a recurrent sacral chordoma. Chordomas are rare, slow-growi...

US$500.00excl. tax and shipping
In stock
Lot
Recommended (freshest lot)
  • CoA
1

01General information

Description

U-CH1 細胞系是首個建立的永久性人類脊索瘤細胞模型,源自一例復發性骶部脊索瘤。脊索瘤是一種罕見、生長緩慢且具局部侵襲性的腫瘤,源自脊索殘餘組織,主要發生於軸向骨骼沿線。 U-CH1 展現出脊索瘤特有的細胞遺傳學特徵,包括克隆性染色體異常(例如 der(1)t(1;22))、第 4、5、6、9、10 及 20 號染色體的缺失,以及由 t(10;20) 所產生的第20號衍生染色體。 比較基因組雜交分析顯示,脊索瘤中存在反覆出現的 DNA 拷貝數變化,特別是 1p 和 3p 的缺失,以及 7q、5q、12q 和 20 的增益。U-CH1 的細胞遺傳學特徵與其親本腫瘤高度相似,進一步印證了其生物學相關性。

在功能和分子層面上,U-CH1 及其他脊索瘤細胞系均展現出脊索瘤的標誌性特徵,包括表達「brachyury」——一種被視為關鍵診斷標記的轉錄因子。 U-CH1 還攜帶 CDKN2A 基因缺失,且缺乏 p16 蛋白質的表達,這是一種在脊索瘤中反覆出現的遺傳變異。此變異導致 CDK4/6 通路過度活化,使 U-CH1 對帕博西利(palbociclib)等 CDK4/6 抑制劑呈現敏感性。 帕博西利治療顯著降低了磷酸化 Rb 的水平,並在體外抑制了細胞增殖,這表明 U-CH1 可作為評估細胞週期靶向療法的寶貴臨床前模型。該細胞系亦已透過 mRNA 和蛋白質分析進行驗證,確認其在表達和基因組模式方面能代表原發性脊索瘤腫瘤。

Tissue
骨骼,骶骨
Disease
骶骨脊索瘤
Synonyms
  • UCH-1
  • UCH1

02Classification

Organism
Human
Sex
Male
Growth properties
Adherent
Biosafety level
1

03Characteristics

Morphology
類似間質細胞,具大小不一的空泡
Cell type
脊索瘤
Doubling time
約 1 週

04Identifiers

Citation
U-CH1(Cytion 型號 305885)
NCBI TaxID
9606
Cellosaurus
CVCL_4988

05Expression and susceptibility

Mutational profile
突變:TP53,簡單型,p.Pro72Arg (c.215C>G),未指定

06Handling and culture

Culture medium
IMDM,重量濃度:4.5 g/L 葡萄糖,重量濃度:4 mM L-谷氨醯胺,重量濃度:25 mM HEPES, w: 1.0 mM 丙酮酸鈉,w: 3.024 g/L NaHCO₃(Cytion 產品編號 820800a)
Incubation atmosphere

37°C,5% CO₂,加濕環境。

Supplements
在培養基中加入 10% 的胎牛血清(FBS)
Dissociation reagent
Accutase
Fluid renewal
每週 2 至 3 次
Thawing and culturing
  1. Confirm that the vial remains deeply frozen upon delivery, as cells are shipped on dry ice to maintain optimal temperatures during transit.

  2. Upon receipt, either store the cryovial immediately at temperatures below -150°C to ensure the preservation of cellular integrity, or proceed to step 3 if immediate culturing is required.

  3. For immediate culturing, swiftly thaw the vial by immersing it in a 37°C water bath with clean water and an antimicrobial agent, agitating gently for 40-60 seconds until a small ice clump remains.

  4. Perform all subsequent steps under sterile conditions in a flow hood, disinfecting the cryovial with 70% ethanol before opening.

  5. Carefully open the disinfected vial and transfer the cell suspension into a 15 ml centrifuge tube containing 8 ml of room-temperature culture medium, mixing gently.

  6. Centrifuge the mixture at 300 x g for 3 minutes to separate the cells and carefully discard the supernatant containing residual freezing medium.

  7. Gently resuspend the cell pellet in 10 ml of fresh culture medium. For adherent cells, divide the suspension between two T25 culture flasks; for suspension cultures, transfer all the medium into one T25 flask to promote effective cell interaction and growth.

  8. Adhere to established subculture protocols for continued growth and maintenance of the cell line, ensuring reliable experimental outcomes.

07Quality control and cryopreservation

Sterility

透過基於 PCR 的檢測及基於發光原理的支原體檢測方法,排除支原體污染的可能性。

為確保無細菌、真菌或酵母菌污染,每日均會對細胞培養物進行目視檢查。

Freeze medium
作為冷凍保存培養基,我們使用完全生長培養基(含 FBS)+ 10% DMSO 以確保解凍後的存活率,或使用 CM-1 (Cytion 型號 800100),該培養基含有經優化的滲透保護劑和代謝穩定劑,可提升細胞恢復率並減輕冷凍誘導的壓力。
Storage conditions

若需長期保存,請將試管置於溫度約為 −150 至 −196 °C 的氣相液氮中。僅在轉移至液氮之前,可將試管暫時存放於 −80 °C 環境中,作為短期過渡步驟。

Shipping conditions

冷凍保存的細胞系會以乾冰冷藏,並裝於經驗證的隔熱包裝中,包裝內含有足夠的冷媒,以確保在運輸過程中溫度維持在約 −78 °C。收到貨物後,請立即檢查容器,並盡快將試管轉移至適當的儲存場所。

08Donor

Donor age
56年
Ethnicity
白色