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SNU-449
Tissue
肝臟
Disease
成人肝細胞癌
Synonyms
SNU449, NCI-SNU-449

Documents

SNU-449

Cell line · Product number 305429

SNU-449 is a human hepatocellular carcinoma (HCC) cell line widely used in research to study liver cancer biology, drug resistance, apoptosis, and novel t...

US$550.00excl. tax and shipping
In stock
Lot
Recommended (freshest lot)
  • CoA
1

01General information

Description

SNU-449 是一種人類肝細胞癌(HCC)細胞系,廣泛應用於研究肝癌生物學、藥物抗性、細胞凋亡及新型治療策略。 由於肝細胞癌是預後不佳、最具侵襲性且最常見的肝臟惡性腫瘤之一,像 SNU-449 這樣的細胞系對於理解癌症進展及藥物反應背後的分子機制至關重要。

SNU-449 在涉及凋亡和鐵死亡(ferroptosis)的研究中尤為有用,鐵死亡是一種與鐵依賴性脂質過氧化相關的受調控細胞死亡形式。 例如,研究顯示,晚期肝細胞癌(HCC)的標準治療藥物索拉非尼(sorafenib)與青蒿琥酯(artesunate)等藥物在 SNU-449 細胞中可產生協同作用,誘導鐵死亡。此種組合會加劇脂質過氧化與氧化壓力,進而導致大量癌細胞死亡。 這種協同作用的發生,是因為青蒿琥酯能促進溶酶體鐵蛋白的降解(鐵蛋白噬作用),從而增加游離鐵的供應;而索拉非尼則會損害線粒體功能並耗竭關鍵抗氧化劑——谷胱甘肽。

SNU-449 亦被用於探索肝癌中的凋亡途徑。 例如,天然異黃酮成分「染料木黃酮」可透過下調抗氧化蛋白「硫氧還蛋白-1(Trx1)」來誘導 SNU-449 細胞凋亡;該蛋白負責調節活性氧(ROS)並抑制凋亡。 黃豆苷酚的處理會提高活性氧水平,並激活與凋亡相關的途徑,包括半胱天冬酶-3 的活化及 DNA 碎裂。這些發現凸顯了 SNU-449 作為研究凋亡與鐵死亡的寶貴模型,有助於開發針對肝細胞癌的靶向療法。

Tissue
肝臟
Disease
成人肝細胞癌
Synonyms
  • SNU449
  • NCI-SNU-449

02Classification

Organism
Human
Sex
Male
Growth properties
Adherent
Biosafety level
2

03Characteristics

Morphology
上皮樣

04Identifiers

Citation
SNU-449(Cytion 型號 305429)
NCBI TaxID
9606
Cellosaurus
CVCL_0454

05Expression and susceptibility

Mutational profile
突變:ARID1A,p.Glu2250Argfs*28 (c.6747dupA);突變:AXIN1,p.Arg712Ter (c.2134C>T),純合子; 突變:TP53,p.Lys139Arg (c.416A>G);突變:TP53,p.Ala161Thr (c.481G>A),純合子
Viruses
HBV

06Handling and culture

Culture medium
RPMI 1640,含 2.0 mM 穩定谷氨醯胺,含 2.0 g/L NaHCO₃(Cytion 產品編號 820700a)
Incubation atmosphere

37°C,5% CO₂,加濕環境。

Supplements
在培養基中加入 10% 經熱滅活的胎牛血清(FBS),並添加 2.5 g/L 葡萄糖及 25 mM HEPES
Dissociation reagent
Accutase
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
52年
Ethnicity
韓文