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IPEC-J2
Tissue
小肠,空肠
Disease
正常
Synonyms
IPECJ2, Intestinal Porcine Epithelial Cell line-J2

Documents

IPEC-J2

Cell line · Product number 305571

The IPEC-J2 cell line is a non-transformed, permanent epithelial cell line derived from the jejunal epithelium of a neonatal, unsuckled piglet. IPEC-J2 ce...

US$375.00excl. tax and shipping
In stock
Lot
Recommended (freshest lot)
  • CoA
1

01General information

Description

IPEC-J2细胞系是一种源自新生、未哺乳仔猪空肠上皮的、未经转化的永久性上皮细胞系。 IPEC-J2 细胞保留了成熟肠上皮细胞的结构和功能特征,因此是研究肠道生理学和病理学的绝佳模型。这些细胞形成具有紧密连接的极化单层,并表现出较高的跨上皮电阻(TEER),这对研究上皮屏障功能和通透性至关重要。 由于源自猪,与IEC-6和IEC-18等来自啮齿动物的细胞系相比,IPEC-J2细胞更能模拟人类肠道生理,从而增强了其在人畜共患病和比较研究中的相关性。

在功能方面,IPEC-J2细胞表达与免疫应答相关的关键标志物和细胞因子(如TNF-α和GM-CSF),并具有多种Toll样受体(TLRs),这有助于开展病原体与宿主相互作用的研究。 这使得它们在微生物学研究中具有不可替代的价值,特别是在研究与*沙门氏菌*和致病性*大肠杆菌*等病原体的相互作用方面。此外,该细胞系还被用于评估益生菌和膳食补充剂对肠道健康的影响,其应用包括评估抗炎和细胞保护反应。

涉及 IPEC-J2 的研究探索了其对氧化应激的反应及其保护机制。 例如,研究表明外源性谷胱甘肽(GSH)可通过增强线粒体功能、改善线粒体膜电位以及减少活性氧(ROS)的积累,保护IPEC-J2细胞免受氧化损伤。这些发现凸显了IPEC-J2在研究上皮细胞应激反应以及维持肠道屏障完整性的潜在治疗干预措施方面的实用价值。

Tissue
小肠,空肠
Disease
正常
Synonyms
  • IPECJ2
  • Intestinal Porcine Epithelial Cell line-J2

02Classification

Organism
Pig
Sex
Unspecified
Growth properties
Adherent
Biosafety level
1

03Characteristics

Morphology
上皮样
Cell type
肠上皮细胞

04Identifiers

Citation
IPEC-J2(Cytion 产品编号 305571)
NCBI TaxID
9823
Cellosaurus
CVCL_2246

05Handling 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 TrypLE Express 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 毫升培养基轻轻混匀细胞使其重悬,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
1-3×10⁴/cm²
Fluid renewal
每周1至2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.

06Quality 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。

07Donor

Donor age
新生儿