Skip to content
KHOS-312H
Tissue
骨頭
Disease
骨肉瘤
Synonyms
KHOS-321H, KHOS312H, KHOS321H

Documents

KHOS-312H

Cell line · Product number 300447

KHOS-312H is a human osteosarcoma cell line derived from bone cancer. This cell line is part of a group of KHOS-derived osteosarcoma models, which include...

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

01General information

Description

KHOS-312H 是一種源自骨癌的人類骨肉瘤細胞系。該細胞系屬於一組源自 KHOS 的骨肉瘤模型,其中還包括 KHOSNP 和 KHOS-240S 等。 與其他骨肉瘤細胞系一樣,KHOS-312H 廣泛應用於癌症研究,用於探究骨肉瘤的生物學特性(尤其是其遺傳與分子特徵),並評估潛在的治療藥物。 KHOS-312H 細胞系以其對某些靶向激酶抑制劑(例如作用於 PI3K-Akt-mTOR 路徑的抑制劑)的抗藥性而聞名,使其成為研究骨肉瘤藥物抗藥性機制的重要模型。

KHOS-312H 細胞系的一項重要特徵,在於其適用於抗癌藥物的高通量篩選。在大規模篩選研究中,KHOS-312H 已被用於測試多種化合物,包括美國食品藥物管理局(FDA)核准的藥物及臨床試驗藥物。 這些研究揭示,KHOS-312H 對不同類別的抗癌藥物表現出不同程度的敏感性與抗藥性,有助於研究人員繪製骨肉瘤對治療反應的分子圖譜。 值得注意的是,該細胞系對 mTOR 抑制劑的抗藥性尤為突出,這表明可能需要採用聯合療法或新型藥物來克服這一挑戰。

Tissue
骨頭
Disease
骨肉瘤
Synonyms
  • KHOS-321H
  • KHOS312H
  • KHOS321H

02Classification

Organism
Human
Sex
Female
Growth properties
Adherent
Biosafety level
1

03Characteristics

Morphology
成纖維細胞樣
Tumourigenic
不

04Identifiers

Citation
KHOS-312H(Cytion 型號 300447)
NCBI TaxID
9606
Cellosaurus
CVCL_2545

05Handling and culture

Culture medium
EMEM(MEM Eagle),含 2 mM L-谷氨醯胺,含 2.2 g/L NaHCO₃,含 EBSS(Cytion 產品編號 820100a)
Incubation atmosphere

37°C,5% CO₂,加濕環境。

Supplements
在培養基中加入 10% FBS 和 1% NEAA
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培養瓶使用3-5毫升PBS,T75培養瓶則使用5-10毫升。 接著,用 Accutase 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,使其脫附。 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。
Seeding density
1 × 10⁴ 個細胞/cm²
Fluid renewal
每週 2 至 3 次
Post-thaw recovery
解凍後,將細胞以 5 × 10⁴ 個細胞/cm² 的密度接種於培養皿中,並讓細胞從冷凍過程中恢復,並附著至少 24 小時。
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

Donor age
13年
Ethnicity
高加索人