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KATO-III
Tissue
胃部
Disease
腺癌
Metastatic site
胸腔积液
Synonyms
Kato III, Kato-III, KATO III, KATOIII, KatoIII, KATO 3, JTC-28, Japanese Tissue Culture-28

Documents

KATO-III

Cell line · Product number 300381

The KATO-III cell line is a human gastric carcinoma model derived from the metastatic site of a poorly differentiated adenocarcinoma. These cells are wide...

US$395.00excl. tax and shipping
In stock
Lot
Recommended (freshest lot)
  • CoA
1

01General information

Description

KATO-III 细胞系是一种人类胃癌模型,来源于分化较差的腺癌转移部位。这些细胞被广泛用于胃癌研究,特别是用于研究肿瘤进展、耐药性和转移的分子机制。KATO-III 细胞表现出以多条染色体异常为特征的非整倍体核型,这也是其侵袭性癌症表型的原因之一。它们明显缺乏 p53,而这一特征往往与肿瘤致病性增强和对化疗反应的改变有关,因此成为研究 p53 在胃癌中作用的重要工具。

KATO-III 细胞悬浮生长,形态呈圆形。它们具有很强的增殖能力,因此适合各种体外应用,包括药物筛选和细胞毒性检测。这些细胞还可用于细胞信号传导途径的研究,因为它们的信号传导异常是胃癌发病机制的一个特征。研究人员经常利用 KATO-III 细胞来探索新型治疗药物的疗效,尤其是针对 HER2、表皮生长因子受体和其他相关致癌途径的药物。这种细胞系对于增进我们对胃癌生物学的了解和开发旨在改善患者预后的靶向疗法至关重要。

Tissue
胃部
Disease
腺癌
Metastatic site
胸腔积液
Synonyms
  • Kato III
  • Kato-III
  • KATO III
  • KATOIII
  • KatoIII
  • KATO 3
  • JTC-28
  • Japanese Tissue Culture-28

02Classification

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

03Characteristics

Morphology
球形
Tumourigenic
是,在抗胸腺细胞血清处理过的仓鼠颊囊中,在裸鼠体内不致癌
Karyotype
干系染色体数目为低四倍体,2S 成分占 6.2%。大多数 S 染色体都有 9 个共同标记,4 个较少见。一个(偶尔是 2 个拷贝)同源染色区(HSR)(t(11,HSR))出现在所有被检测的分裂相中,但没有检测到双分(DM)(Sekiguchi,1978 年)。
Doubling time
36 小时

04Identifiers

Citation
KATO-III(Cytion 目录号 300381)
NCBI TaxID
9606
Cellosaurus
CVCL_0371

05Expression and susceptibility

Protein expression
P53 阴性,CEA 阳性
Antigen expression
血型 B,Rh+
Isoenzymes
PGM3,1,PGM1,1,ES-D,1,AK-1,1,GLO-1,2,G6PD,B,表型频率产品: 0.0742

06Handling and culture

Culture medium
Ham's F12,w:1.0 mM 稳定谷氨酰胺,w:1.0 mM 丙酮酸钠,w:1.1 g/L NaHCO3(Cytion 文章编号 820600a)。
Incubation atmosphere

37°C, 5%CO2, 加湿环境。

Supplements
在培养基中添加 10% FBS
Dissociation reagent
Accutase
Subculturing
将悬浮细胞收集到 15 毫升试管中,用不含钙和镁的 PBS(T25 烧瓶用 3-5 毫升,T75 烧瓶用 5-10 毫升)轻轻清洗粘附的细胞。涂抹 Accutase(T25 烧瓶 1-2 毫升,T75 烧瓶 2.5 毫升),确保完全覆盖细胞层。让细胞在 37°C 孵育 10 分钟。孵育后,将悬浮细胞和粘附细胞混合并离心。离心后,小心重悬细胞团,并将细胞悬浮液转移到装有新鲜培养基的新烧瓶中。
Seeding density
2×10⁴个细胞/cm²将在2至3天内形成融合单层。
Fluid renewal
每 3 至 5 天
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

Donor age
57 年
Ethnicity
亚洲