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LCLC-97TM1
Tissue
肺
Disease
大細胞癌
Synonyms
LCLC97TM1

Documents

LCLC-97TM1

Cell line · Product number 300409

The LCLC-97TM1 cell line is derived from a large cell lung carcinoma (LCLC) and was established using a xenograft approach, specifically from the first nu...

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01General information

Description

LCLC-97TM1 細胞系源自大細胞肺癌(LCLC),並透過異種移植法建立,具體而言是從原發性大細胞肺癌在裸鼠體內的首次傳代中建立而來。 該細胞系在培養中呈現密集排列的類上皮小島,其細胞邊界在標準顯微鏡檢查下通常難以區分。與許多其他細胞系不同,LCLC-97TM1 培養物通常不會達到細胞融合狀態,這可能歸因於其獨特的生長模式。

從細胞學角度來看,LCLC-97TM1 細胞的特徵為具有一個大型、單一且圓形的細胞核,其中含有一至兩個顯著的核仁,且染色質分布均勻。此種核形態顯示出大細胞肺癌常伴隨的侵襲性特徵。 該細胞系亦以 PAS(過碘酸-席夫)染色呈陰性,且對阿爾西安藍染色無反應而著稱,這些特徵與原始腫瘤及源自該細胞系的異種移植瘤所觀察到的特徵一致。

對 LCLC-97TM1 進行的染色體分析顯示其具有複雜的核型,這是大細胞肺癌的典型特徵,並暗示存在顯著的遺傳不穩定性。 這種遺傳特徵,加上其獨特的形態學特徵,使 LCLC-97TM1 成為研究大細胞肺癌病理生物學的寶貴模型,特別是在非小細胞肺癌(NSCLC)的腫瘤發生、轉移及治療反應方面。

Tissue
肺
Disease
大細胞癌
Synonyms
  • LCLC97TM1

02Classification

Organism
Human
Sex
Male
Growth properties
Adherent
Biosafety level
1

03Characteristics

Morphology
上皮樣
Tumourigenic
是的,在裸鼠身上

04Identifiers

Citation
LCLC-97TM1(Cytion 型號 300409)
NCBI TaxID
9606
Cellosaurus
CVCL_1376

05Expression and susceptibility

Protein expression
P53 的表達
Reverse transcriptase
否

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
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。
Seeding density
1 至 3 × 10⁵ 個細胞/cm²
Fluid renewal
每 3 至 5 天
Post-thaw recovery
解凍後,將細胞以 5 × 10⁴ 個細胞/cm² 的密度接種於培養皿中,並讓細胞從冷凍過程中恢復,並附著至少 24 小時。
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
44年
Ethnicity
高加索人