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NCI-H1755
Tissue
轉移性
Disease
肺腺癌
Synonyms
H1755, H-1755, NCIH1755

Documents

NCI-H1755

Cell line · Product number 305834

NCI-H1755 is a human non-small cell lung cancer (NSCLC) cell line derived from a lung adenocarcinoma. It is part of the extensive National Cancer Institut...

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1

01General information

Description

NCI-H1755 是一種源自肺腺癌的人類非小細胞肺癌(NSCLC)細胞系。該細胞系隸屬於美國國家癌症研究所(NCI)廣泛的胸腔癌症模型系列,旨在支援針對肺癌生物學及治療反應的轉譯研究。 該細胞系呈現 KRAS 突變,此為許多肺腺癌的常見特徵,會導致 MAPK 和 PI3K 訊號傳導路徑的持續活化,進而促進細胞失控增生,並對某些標靶療法產生抗藥性。

NCI-H1755 已被納入多項大規模的功能基因組學與藥物基因組學篩選計畫,包括蛋白質表達譜分析及對標靶藥物的反應評估。 其分子特徵顯示 PI3K/AKT 及 RAS/RAF/MEK 訊號傳導路徑活躍,這使其成為評估 MEK 抑制劑及其他針對下游效應分子之藥物效果的寶貴工具。 該細胞系亦為專注於上皮極性的研究作出貢獻,相關研究發現,在包括肺腺癌在內的各種上皮癌中,極性複合體基因(如 PARD3)的結構發生了破壞。

在體外實驗中,NCI-H1755 細胞以黏附性單層形式生長,並呈現上皮細胞形態。該細胞在標準培養條件下,以添加 10% 胎牛血清的 RPMI-1640 培養基中維持生長。 由於其生長特性可重複、突變譜明確,且已被納入分子腫瘤學數據集,NCI-H1755 成為研究 KRAS 突變型非小細胞肺癌(NSCLC)腫瘤進展機制、藥物抗性及潛在治療標靶的常用模型。

Tissue
轉移性
Disease
肺腺癌
Synonyms
  • H1755
  • H-1755
  • NCIH1755

02Classification

Organism
Human
Sex
Female
Growth properties
Adherent and suspension
Biosafety level
1

03Characteristics

Cell type
上皮樣及/或圓形

04Identifiers

Citation
NCI-H1755(Cytion 型號 305834)
NCBI TaxID
9606
Cellosaurus
CVCL_1492

05Expression and susceptibility

Mutational profile
突變:BRAF,單一突變,p.Gly469Ala (c.1406G>C),雜合子;TP53,單一突變,p.Cys242Phe (c.725G>T),純合子

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
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
65年
Ethnicity
高加索人