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C127I
Tissue
乳房、乳腺
Disease
癌
Synonyms
C 1271, C-127I, C-127 I, CNC 127I

Documents

C127I

Cell line · Product number 400134

The C127I cell line is a murine mammary gland epithelial cell line, commonly used in biomedical research for its ability to synthesize and secrete recombi...

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01General information

Description

C127I 細胞系是一種小鼠乳腺上皮細胞系,因其具有合成及分泌重組蛋白的能力,而廣泛應用於生物醫學研究。 這些細胞源自 BALB/c 小鼠的乳腺,其上皮形態以及對荷爾蒙和其他生長因子的反應性尤為著稱。C127I 細胞系在基因表達研究、與癌症發展相關的訊號傳導路徑研究,以及用於基因治療的病毒載體生產方面,均發揮了關鍵作用。

C127I 細胞系的一大關鍵特徵在於其易於轉染的特性,使其成為生產重組蛋白及進行基因編輯研究的寶貴工具。 該細胞系能支持多種小鼠逆轉錄病毒的複製,有助於建立表達目標基因的穩定重組細胞系。此特性使 C127I 細胞在分子生物學與遺傳學領域中尤為實用,常被用於在受控環境下探究基因過度表達或敲低所產生的影響。

Tissue
乳房、乳腺
Disease
癌
Applications
用於轉染牛乳頭瘤病毒 DNA 質體的轉染宿主。肉瘤病毒誘導焦點的可視化。牛乳頭瘤病毒的體外定量檢測。
Synonyms
  • C 1271
  • C-127I
  • C-127 I
  • CNC 127I

02Classification

Organism
Mouse
Sex
Female
Growth properties
Adherent
GMO status
GMO-S1
GMO status details
GMO-S1: This murine breast carcinoma cell line (C127I) contains recombinant viral sequences encoding T7 RNA polymerase and CFTR delivered via infection with engineered viruses, functioning as a transfection host. The construct is stably integrated into C127 cells. This classification applies only within Germany and may differ elsewhere.
Biosafety level
1

03Characteristics

Morphology
上皮樣

04Identifiers

Citation
C127I(Cytion 型號 400134)
NCBI TaxID
10090
Cellosaurus
CVCL_3882

05Expression and susceptibility

Viruses
小鼠痘病毒(ectromelia virus)檢測結果為陰性。
Virus susceptibility
牛乳頭瘤病毒
Reverse transcriptase
陰性(根據上清液檢測結果判定)

06Handling and culture

Culture medium
DMEM,含 4.5 g/L 葡萄糖、4 mM L-谷氨醯胺、3.7 g/L NaHCO₃ 及 1.0 mM 丙酮酸鈉(Cytion 產品編號 820300a)
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
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

Breed / subspecies
RIII