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SNU-719
Tissue
胃
Disease
管狀腺癌
Synonyms
SNU719, NCI-SNU-719

Documents

SNU-719

Cell line · Product number 305636

The SNU-719 cell line is a human gastric carcinoma model established from the primary gastric tumor tissue of an adult male patient in Korea. It belongs t...

US$550.00excl. tax and shipping
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01General information

Description

SNU-719 細胞系是從韓國一名成年男性患者的原發性胃腫瘤組織建立的人類胃癌模型。該細胞系隸屬於一套專為支持東亞地區癌症研究而開發的胃癌細胞系系列,該地區的胃癌盛行率特別高。 SNU-719 源自一例中度分化的腺癌,並展現出對塑膠培養表面的強附著力,呈彌散性單層生長。該細胞系以添加 10% 熱滅活胎牛血清的 RPMI-1640 培養基維持培養。

對 SNU-719 進行的全面生化與基因分析顯示,其上清液及細胞裂解液中均表達癌胚抗原(CEA),且組織多肽抗原(TPA)水平較高。然而,未檢測到甲胎蛋白(aFP)。 突變分析發現 TP53 基因發生變異,儘管該細胞系中的 c-Ki-ras 致癌基因並未發生突變。這些特徵使 SNU-719 成為研究胃腺癌分子機制、評估生物標記物表達及治療干預措施的合適模型。 此外,短串聯重組(STR)及單核苷酸多態性(SNP)分析已確認其身份與獨特性,確保該細胞系在體外實驗中的可靠性。

Tissue
胃
Disease
管狀腺癌
Synonyms
  • SNU719
  • NCI-SNU-719

02Classification

Organism
Human
Sex
Male
Growth properties
Adherent
Biosafety level
2

03Characteristics

Morphology
上皮樣
Cell type
上皮性
Doubling time
43 小時

04Identifiers

Citation
SNU-719(Cytion 型號 305636)
NCBI TaxID
9606
Cellosaurus
CVCL_5086

05Expression and susceptibility

Mutational profile
突變:CTNNB1,簡單型,p.Gly34Val (c.101G>T),雜合子;突變:MET,簡單型,p.Asp153Ala (c.458A>C),雜合子; 突變:NRAS,單一突變,p.Gln61Leu (c.182A>T),純合子;突變:PIK3CA,單一突變,p.Pro104Arg (c.311C>G),雜合子

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% 的胎牛血清(FBS)
Dissociation reagent
Accutase
Subculturing
移除培養基,加入新鮮的 0.25% 胰蛋白酶與 0.02% EDTA 溶液,將培養瓶置於 37''''C 靜置 3 至 5 分鐘,加入培養基並收集細胞,將培養基轉移至 15 毫升試管中,離心後吸除培養基,用培養基重新懸浮細胞沉澱,並分裝回培養瓶中
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.

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
53年
Ethnicity
韓文