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F9
Tissue
睾丸
Disease
畸胎瘤

Documents

F9

Cell line · Product number 400174

The F9 cell line, a murine embryonal carcinoma model derived from a testicular teratoma of the C57BL/6 mice, serves as an important tool in developmental ...

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1

01General information

Description

F9 细胞系是一种小鼠胚胎癌模型,来源于 C57BL/6 小鼠的睾丸畸胎瘤,是发育生物学和胚胎学的重要工具。F9 细胞在维甲酸和二丁烯环磷酸腺苷(cAMP)的作用下能够分化为顶叶内胚层。这种分化的特点是细胞行为和蛋白质表达发生显著变化,包括纤溶酶原激活剂、层粘连蛋白和 IV 型胶原蛋白的合成。这些蛋白质对于了解早期胚胎阶段的组织发育和基质形成过程至关重要。

据指出,cAMP 在诱导 F9 细胞分化方面的有效性取决于是否事先用视黄酸处理,这表明这些信号分子在触发发育途径方面存在复杂的相互作用。此外,F9 细胞的特点是具有三个 beta 1 整合素基因拷贝,这可能会影响细胞的粘附性和流动性,进一步突出了它们在研究细胞相互作用和细胞外基质组成方面的作用。这些细胞的安全性分析包括外胚叶病毒(鼠痘)检测,结果显示它们呈阴性,从而确保它们适合广泛的实验应用,而不会有病毒污染的风险。

Tissue
睾丸
Disease
畸胎瘤

02Classification

Organism
Mouse
Sex
Male
Growth properties
Adherent
Biosafety level
1

03Characteristics

Morphology
上皮样

04Identifiers

Citation
F9(Cytion 目录编号 400174)
NCBI TaxID
10090
Cellosaurus
CVCL_0259

05Expression and susceptibility

Viruses
MAP 测试阴性:仙台病毒、Ektromelie病毒、多瘤病毒、K病毒、Kilham病毒、Reo 3病毒、PVM病毒、LCM病毒、M.pulmonis病毒、MVM病毒、Theiler's GD VII病毒、Toolan's H-1病毒、MHV病毒、LDV病毒、RCV/SDA病毒、M-腺病毒、B.piliformis病毒。
Products
凝血酶原激活剂、层粘连蛋白、IV 型胶原蛋白

06Handling and culture

Culture medium
DMEM,w:4.5 克/升葡萄糖,w:4 毫摩尔 L-谷氨酰胺,w:3.7 克/升 NaHCO3,w:1.0 毫摩尔丙酮酸钠(Cytion 编号 820300a)。
Incubation atmosphere

37°C, 5%CO2, 加湿环境。

Supplements
在培养基中添加 10% FBS
Dissociation reagent
Accutase
Subculturing
去除粘附细胞上的旧培养基,用不含钙和镁的 PBS 冲洗。T25 烧瓶用 3-5 毫升 PBS,T75 烧瓶用 5-10 毫升。然后用 Accutase 完全覆盖细胞,T25 烧瓶用 1-2 毫升,T75 烧瓶用 2.5 毫升。让细胞在室温下孵育 8-10 分钟,使其分离。孵育后,用 10 毫升培养基轻轻混合细胞使其重悬,然后用 300xg 离心 3 分钟。弃去上清液,用新鲜培养基重悬细胞,并将其转移到已装有新鲜培养基的新烧瓶中。
Seeding density
用明胶包被细胞培养瓶。1×10⁴个细胞/平方厘米的密度约4天可形成融合细胞层。
Fluid renewal
每周 2 至 3 次
Post-thaw recovery
解冻后,将细胞以5×10⁴个细胞/平方厘米的密度接种于培养皿中,使细胞从冷冻过程中恢复并至少贴壁24小时。
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

使用基于 PCR 的检测方法和基于发光的支原体检测方法排除支原体污染。

为确保没有细菌、真菌或酵母菌污染,每天都要对细胞培养物进行目视检查。

Freeze medium
我们使用完全生长培养基(包括 FBS)+10% DMSO 或 CM-1(Cytion 商品目录编号 800100)作为冷冻保存培养基,以获得足够的解冻后存活率,CM-1(Cytion 商品目录编号 800100)含有优化的渗透保护剂和代谢稳定剂,可提高恢复能力并减少冷冻引起的应激。
Storage conditions

如需长期保存,可将样品瓶放入气相液氮中,温度约为 -150 至 -196 ℃。在-80 °C下保存只能作为转入液氮前的短暂过渡。

Shipping conditions

冷冻保存的细胞系用干冰装运,并用经过验证的隔热包装和足够的制冷剂在整个运输过程中保持约 -78 °C 的温度。收到货后,应立即检查容器,并立即将小瓶转移到适当的储藏室。

08Donor

Breed / subspecies
129/Sv
Donor age
胚胎