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MARC-145
Tissue
胚胎腎臟
Synonyms
Marc-145, MARC 145, Marc 145, MARC145, Marc145, Meat Animal Research Center-145

Documents

MARC-145

Cell line · Product number 305006

The MARC-145 cell line is a monkey kidney epithelial cell line derived from the African green monkey (Cercopithecus aethiops). This cell line is particula...

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01General information

Description

MARC-145 細胞系是一種源自非洲綠猴(Cercopithecus aethiops)的猴腎上皮細胞系。 該細胞系在病毒學研究中尤為重要,特別是用於培養豬繁殖與呼吸綜合症病毒(PRRSV)——此病毒是養豬業中的一種重要病原體。 由於 MARC-145 細胞對 PRRSV 具有高度易感性,因此在 PRRSV 的研究中發揮了關鍵作用,使其成為病毒分離、培養及疫苗開發的寶貴工具。

MARC-145 細胞的特徵在於其上皮細胞形態及體外強勁的生長能力,這有助於為研究目的進行 PRRSV 的大規模生產。 此外,該細胞系亦被用於探索 PRRSV 感染的機制,包括病毒入侵、複製以及宿主與病原體之間的相互作用。此細胞系亦被應用於抗病毒化合物及 PRRSV 疫苗的開發與測試,對控制這種對養豬業具有重大經濟影響的疾病,做出了顯著貢獻。

Tissue
胚胎腎臟
Synonyms
  • Marc-145
  • MARC 145
  • Marc 145
  • MARC145
  • Marc145
  • Meat Animal Research Center-145

02Classification

Organism
Vervet monkey
Growth properties
Adherent
Biosafety level
1

03Characteristics

Morphology
上皮性

04Identifiers

Citation
MARC-145(Cytion 型號 305006)
NCBI TaxID
60710
Cellosaurus
CVCL_4540

05Handling 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。
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

Donor age
胎兒