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HEI-OC1
Tissue
耳朵、內耳、耳蝸、柯蒂氏器
Disease
正常
Synonyms
HEIOC1, House Ear Institute-Organ of Corti 1

Documents

HEI-OC1

Cell line · Product number 305548

The HEI-OC1 cell line, derived from the cochlea of the transgenic Immortomouse, represents a versatile model for studying auditory cell biology, particula...

US$550.00excl. tax and shipping
In stock
Lot
Recommended (freshest lot)
  • CoA
1

01General information

Description

HEI-OC1 細胞系源自轉基因「不朽鼠」(Immortomouse)的耳蝸,是研究聽覺細胞生物學的通用模型,特別適用於探討耳毒性及保護機制。 HEI-OC1 細胞為條件性永生化細胞,兼具柯蒂器官(organ of Corti)中感覺細胞與支持細胞的特徵。這些細胞表達多種耳蝸毛細胞標記物,包括普雷斯汀(prestin)、肌球蛋白 7a(myosin 7a)及鈣結合蛋白(calbindin)。 作為體外模型,HEI-OC1 已被應用於探究細胞對耳毒性藥物(如氨基糖苷類和順鉑)的反應;已知這些藥物會透過凋亡、活性氧(ROS)累積及線粒體功能障礙引發聽力損失。

HEI-OC1 細胞在探索針對耳毒性損傷的保護策略方面已展現其實用性。例如,研究顯示溶血磷脂酸(LPA)能透過減少凋亡、過度自噬及活性氧(ROS)累積,來減輕順鉑的細胞毒性作用。 此外,研究發現抑制鐵死亡(一種依賴鐵離子的細胞死亡)能透過維持線粒體功能,保護 HEI-OC1 細胞免受順鉑誘導的損傷。 研究亦觀察到,使用地塞米松等糖皮質激素,可透過調控 PERK-CHOP 路徑,保護 HEI-OC1 細胞免受內質網壓力所誘發的凋亡。 這些發現支持 HEI-OC1 細胞作為篩選耳毒性藥物及研究耳保護性干預措施之寶貴模型的角色。

Tissue
耳朵、內耳、耳蝸、柯蒂氏器
Disease
正常
Synonyms
  • HEIOC1
  • House Ear Institute-Organ of Corti 1

02Classification

Organism
Mouse
Sex
Unspecified
Growth properties
Adherent
GMO status
GMO-S1
GMO status details
GMO-S1: This HEI-OC1 Immorto Mouse epithelial line contains a temperature-sensitive SV40 large T-antigen construct enabling conditional immortalization. This classification applies only within Germany and may differ elsewhere.
Biosafety level
2

03Characteristics

Morphology
上皮樣

04Identifiers

Citation
HEI-OC1(Cytion 型號 305548)
NCBI TaxID
10090
Cellosaurus
CVCL_D899

05Expression and susceptibility

Viruses
轉化體:猿病毒 40 型(SV40)

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培養瓶需使用3-5毫升PBS,T75培養瓶則需使用5-10毫升。 接著,用 TrypLE Express 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,使其脫落。 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。
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
(CBA/Ca × C57BL/10)Tg(H2Kb-tsA58) Immortomouse
Donor age
7 天