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SNU-182
Tissue
肝臟
Disease
成人肝細胞癌
Synonyms
SNU182, NCI-SNU-182

Documents

SNU-182

Cell line · Product number 305119

The SNU-182 cell line is derived from a human hepatocellular carcinoma (HCC), which is a primary malignancy of the liver. This cell line is widely used in...

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01General information

Description

SNU-182 細胞系源自人類肝細胞癌(HCC),這是一種原發性肝臟惡性腫瘤。該細胞系廣泛應用於肝癌研究,用於探究肝癌發生、腫瘤進展及治療反應背後的分子與細胞機制。 肝細胞癌是最常見且致命性最高的肝癌類型之一,因此像 SNU-182 這樣的細胞系對於深化我們對該疾病的理解以及開發有效治療方法至關重要。

SNU-182 細胞呈現上皮細胞形態,並表達肝癌的典型標記物,例如甲胎蛋白(AFP)和肝細胞特異性抗原。它們攜帶在 HCC 中經常觀察到的遺傳和表觀遺傳改變,包括關鍵致癌基因和抑癌基因的突變。 研究人員利用 SNU-182 細胞探索參與肝癌的各種訊號傳導路徑,例如 Wnt/β-catenin、PI3K/Akt 及 MAPK 路徑。這些細胞亦被應用於高通量藥物篩選試驗,以及化療藥物、標靶療法和聯合治療的臨床前測試。 此外,SNU-182 細胞亦被用於研究藥物抗藥性的機制,並開發克服抗藥性的策略。SNU-182 細胞系在肝細胞癌研究中的相關性,凸顯了其在深化我們對肝癌生物學的認識,以及為肝細胞癌患者開發新治療方法方面的關鍵重要性。

Tissue
肝臟
Disease
成人肝細胞癌
Synonyms
  • SNU182
  • NCI-SNU-182

02Classification

Organism
Human
Sex
Male
Growth properties
Adherent
Biosafety level
1

03Characteristics

Morphology
上皮性
Doubling time
46 小時

04Identifiers

Citation
SNU-182(Cytion 型號 305119)
NCBI TaxID
9606
Cellosaurus
CVCL_0090

05Handling 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% 的胎牛血清(FBS)
Dissociation reagent
Accutase
Subculturing
從貼壁細胞中移除舊培養基,並用不含鈣和鎂的PBS洗滌細胞。T25培養瓶使用3-5毫升PBS,T75培養瓶則使用5-10毫升。 接著,用 Accutase 完全覆蓋細胞,T25 培養瓶使用 1–2 毫升,T75 培養瓶則使用 2.5 毫升。將細胞於室溫下孵育 8–10 分鐘,使其脫附。 孵育後,將細胞與 10 毫升培養基輕柔混合以使其重新懸浮,然後以 300xg 離心 3 分鐘。棄去上清液,將細胞重新懸浮於新鮮培養基中,並轉移至已預先加入新鮮培養基的新培養瓶中。
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.

06Quality 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。

07Donor

Donor age
24年
Ethnicity
亞洲