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H22
Tissue
肝臟
Disease
肝細胞癌
Synonyms
Hepatoma-22, Hepatoma 22

Documents

H22

Cell line · Product number 305163

The H22 cell line is a murine hepatocellular carcinoma cell line derived from liver tumor cells. These cells are commonly used in cancer research to study...

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01General information

Description

H22 細胞系是一種源自肝臟腫瘤細胞的小鼠肝細胞癌細胞系。這些細胞常被用於癌症研究,以探討肝癌的發病機制、治療干預措施及藥物療效。 H22 細胞展現出肝細胞癌的典型特徵,包括快速增殖、抗凋亡,以及注入適當動物模型時能形成腫瘤的能力。這使它們成為進行體內研究的寶貴工具,有助於理解肝癌的腫瘤生長、轉移及腫瘤微環境。

H22 細胞系的一大顯著優勢在於其可應用於免疫療法研究。由於這些細胞源自小鼠模型,因此特別適合在受控環境下研究癌細胞與免疫系統之間的相互作用。 研究人員利用 H22 細胞評估各種免疫治療藥物的療效,包括檢查點抑制劑和癌症疫苗。此外,H22 細胞亦被用於研究肝臟特異性代謝途徑,以及基因突變在肝細胞癌進展中的作用。

總體而言,H22 細胞系作為肝細胞癌的可靠模型,不僅有助於深入理解癌症生物學,更能促進新型治療策略的開發。其對體外與體內研究的雙重適用性,更凸顯了它在癌症研究領域的重要性。

Tissue
肝臟
Disease
肝細胞癌
Synonyms
  • Hepatoma-22
  • Hepatoma 22

02Classification

Organism
Mouse
Growth properties
Suspension
Biosafety level
1

03Characteristics

Morphology
淋巴母細胞

04Identifiers

Citation
H22(Cytion 型號 305163)
NCBI TaxID
10090
Cellosaurus
CVCL_H613

05Handling and culture

Culture medium
RPMI 1640,含 2.0 mM 穩定谷氨醯胺,含 2.0 g/L NaHCO₃(Cytion 產品編號 820700a)
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)
Subculturing
透過移液管上下吸放,輕柔地將燒瓶中的細胞懸浮液均質化,然後取一份具代表性的樣本,以測定每毫升的細胞密度。使用新鮮培養基將懸浮液稀釋至細胞濃度為 1 × 10⁵ 個細胞/毫升,並將調整後的懸浮液分裝至新的燒瓶中,以供進一步培養。
Fluid renewal
每週 2 至 3 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

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。

07Donor

Breed / subspecies
C3HA