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技術(shù)分享——原代細(xì)胞制備、分離、培養(yǎng)、鑒定

 

云克隆原代細(xì)胞制備,至今已積累十多年的經(jīng)驗(yàn),已制備原代細(xì)胞類型包括:軟骨細(xì)胞、內(nèi)皮細(xì)胞、心肌細(xì)胞、星形膠質(zhì)細(xì)胞、上皮細(xì)胞、成纖維細(xì)胞、小膠質(zhì)細(xì)胞、肌肉細(xì)胞、平滑肌細(xì)胞、各種干細(xì)胞等,制備組織來源包括,如:關(guān)節(jié)、主動脈、心臟、肺、視網(wǎng)膜、大腦、骨髓、腎臟等。云克隆自有動物中心已獲得小動物生產(chǎn)許可證和大、小動物使用許可證,確保我們可提供多種動物來源的原代細(xì)胞,如:大鼠、小鼠、兔、豬、羊、犬、馬等。

 

圖1. Administrative licenses of Clond-Clone animal center

 

以下,分享其中幾種有代表性的原代細(xì)胞制備經(jīng)驗(yàn):

1. 大鼠心肌細(xì)胞(Myocardial Cells,MC)原代細(xì)胞

1)實(shí)驗(yàn)材料

實(shí)驗(yàn)動物:1-3日齡SD乳鼠(雌雄不限)

組織來源:心組織

手術(shù)器材:手術(shù)剪(鑷)、解剖鑷、眼科剪(鑷)

消化酶:膠原酶、胰酶

培養(yǎng)基:DMEM+20%FBS+1%雙抗

2)實(shí)驗(yàn)步驟

? 取剛出生1-3天的乳大鼠,脫頸處死后,放入75%的酒精消毒5min;

? 在超凈臺內(nèi)無菌取出鼠心組織,放入剩有PBS(含2%雙抗)的培養(yǎng)皿內(nèi),用眼科剪和眼科鑷仔細(xì)清除其中的血塊;

? 用剪刀將組織塊切成肉糜狀;

? 加入胰酶初消化10min后,去除上清;

? 再加入膠原酶消化;

? 1000rpm,5min,收集沉淀,接種細(xì)胞;

? 差速貼壁;

? 換液培養(yǎng)細(xì)胞。

3)相關(guān)數(shù)據(jù)

分離得到大鼠心肌細(xì)胞,進(jìn)行顯微鏡拍照,如下:

 

圖2. Morphology of Rat Myocardial Cells (Optical microscope, x100)

并能看到心肌細(xì)胞明顯的搏動。

特異性抗體鑒定心肌細(xì)胞,如下:

 

圖3. IF identification of Actin Alpha 1, Cardiac Muscle (ACTC1) specific antibody  (×200)

 

2. 大鼠三叉神經(jīng)節(jié)神經(jīng)元(Trigeminal Ganglion Neuron Cells, TGNC)原代細(xì)胞

1)實(shí)驗(yàn)材料

實(shí)驗(yàn)動物:SD大鼠

組織來源:三叉神經(jīng)節(jié)

手術(shù)器材:手術(shù)剪(鑷)、解剖鑷、眼科剪(鑷)

消化酶:膠原酶、胰酶

培養(yǎng)基:DMEM/F12+10%FBS基礎(chǔ)培養(yǎng)基,Neurobasal A+ B27 神經(jīng)元專用培養(yǎng)基

DMEM/F12

2)實(shí)驗(yàn)步驟

? 脫頸法處死周齡大鼠(2周左右),放入75%的酒精中浸泡消毒5min;

? 剔除神經(jīng)節(jié)周圍的血管、脂肪、神經(jīng)鞘膜等結(jié)締組織,準(zhǔn)確分離三叉神經(jīng)節(jié);

? 用直剪將神經(jīng)節(jié)剪成小的組織塊,并加入膠原酶、胰酶分布消化;

? 過濾,離心,接種并培養(yǎng)細(xì)胞;

? 換神經(jīng)元專用培養(yǎng)基培養(yǎng)細(xì)胞。

3)相關(guān)數(shù)據(jù)

原代培養(yǎng)第4天,可見大部分貼壁伸展神經(jīng)元細(xì)胞,如下:

 

圖4. Morphology of Rat TGNC primary culture in day 4 (×200)

細(xì)胞換液,繼續(xù)培養(yǎng)2天,即原代培養(yǎng)6天,隨時(shí)間增加,突起變長并交錯(cuò)呈網(wǎng)絡(luò),如下:

 

圖5. Morphology of Rat TGNC primary culture in day 6 (×200)

特異性抗體鑒定三叉神經(jīng)節(jié)神經(jīng)元,如下:

 

圖6. IF identification of β-Tubulin III specific antibody (×200)

 

3. 小鼠腎皮質(zhì)上皮細(xì)胞(Renal Cortical Epithelial Cells, RCEC)原代細(xì)胞

1)實(shí)驗(yàn)材料

實(shí)驗(yàn)動物:2周齡左右的BALB/C小鼠2只(雌雄不限)

組織來源:腎皮質(zhì)

手術(shù)器材:手術(shù)剪(鑷)、解剖鑷、眼科剪(鑷)

消化酶:膠原酶,胰酶

培養(yǎng)基:小鼠腎小管上皮細(xì)胞專用培養(yǎng)基

2)實(shí)驗(yàn)步驟

? 頸椎脫臼法處死小鼠后置于75%酒精,浸泡5min;

? 在超凈臺中無菌取出雙腎并用手術(shù)刀切取腎皮質(zhì);

? 用膠原酶和胰酶消化;

? 終止消化;

? 過濾,離心,重懸沉淀;

? 加入腎小管上皮細(xì)胞專用培養(yǎng)基培養(yǎng)。

3)相關(guān)數(shù)據(jù)

原代培養(yǎng)第一天,腎小管節(jié)段折光性好,狀態(tài)佳,純度較高,如下:

 

圖7. Morphology of Mouse RCEC primary culture in day 1  (x100)

原代培養(yǎng)4天,腎小管節(jié)段消失,有大量上皮細(xì)胞樣長出,呈島嶼狀向四周伸展,如下:

 

圖8. Morphology of Mouse RCEC primary culture in day 4  (x100)

原代培養(yǎng)第5天,細(xì)胞已長滿,如下:

 

圖9. Morphology of Mouse RCEC primary culture in day 5 (x100)

傳代后的細(xì)胞生長良好,如下:

 

圖10. Morphology of Mouse RCEC after passage (x100)

特異性抗體鑒定腎皮質(zhì)上皮細(xì)胞,如下:

 

圖11. IF identification of Tight Junction Protein 1 (ZO-1) specific antibody (x200)

 

4. 兔皮下脂肪前體細(xì)胞(Subcutaneous Preadipocytes, SPrAD)原代細(xì)胞

1)實(shí)驗(yàn)材料

實(shí)驗(yàn)動物: 日本大耳白兔

組織來源:腹股溝部及勁背部皮下脂肪

手術(shù)器材:手術(shù)剪(鑷)、解剖鑷、眼科剪(鑷)

消化酶:膠原酶

培養(yǎng)基:DMEM/F12+15%FBS+1%雙抗

2)實(shí)驗(yàn)步驟

? 取日本大耳白兔1只,經(jīng)耳緣靜脈注射空氣處死,在腹部及勁背部噴酒精消毒;

? 取皮下腹股溝部及勁背部脂肪組織;

? 將脂肪組織切成碎塊,加入膠原酶消化;

? 終止消化,離心,留底部沉淀;

? 收集底部沉淀,加入完全培養(yǎng)基重懸,過濾,培養(yǎng)。

3)相關(guān)數(shù)據(jù)

各階段兔皮下脂肪前體細(xì)胞培養(yǎng)形態(tài)如下:

 

圖12. Morphology of Rabbit SPrAD primary culture in day 2 ( ×100)

 

圖13. Morphology of Rabbit SPrAD primary culture in day 4 (×100)

傳代后的細(xì)胞生長良好,如下:

 

圖14. Morphology of Rabbit SPrAD after passage (P1) (x100)

前脂肪細(xì)胞,或稱脂肪間充質(zhì)干細(xì)胞(Mesenchymal adipose cell precursors, ADSCs),與其他成體干細(xì)胞一樣,具有自我更新、活力持久及多向分化潛能。在合適的誘導(dǎo)條件下,可向多個(gè)方向進(jìn)行細(xì)胞分化,如上皮細(xì)胞、平滑肌細(xì)胞、心肌細(xì)胞、軟骨細(xì)胞、成骨細(xì)胞、脂肪細(xì)胞、神經(jīng)細(xì)胞、血管內(nèi)皮細(xì)胞和肝細(xì)胞等。

我們將分離得到的兔皮下脂肪前體細(xì)胞分別像成骨細(xì)胞和脂肪細(xì)胞方向誘導(dǎo),進(jìn)行其功能方面驗(yàn)證,誘導(dǎo)完成后,染色結(jié)果如下:

 

圖15. Alizarin red staining of Rabbit SPrAD after osteogenic induction

 

圖16. Oil red O staining of Rabbit SPrAD after adipogenic induction

 

部分原代細(xì)胞列表如下:

<table cellspacing="0" height:19px"><td

List time

Product No.

Product Name

Product Name

UOM

2周

CSI003Ca01

犬關(guān)節(jié)軟骨細(xì)胞(AC)原代細(xì)胞

Primary Canine Articular Chondrocytes (AC)

5X10^5

2周

CSI003Cp01

山羊關(guān)節(jié)軟骨細(xì)胞(AC)原代細(xì)胞

Primary Caprine Articular Chondrocytes (AC)

5X10^5

2周

CSI006Ca01

犬主動脈內(nèi)皮細(xì)胞(AEC)原代細(xì)胞

Primary Canine Aortic Endothelial Cells (AEC)

5X10^5

2周

CSI007Ca01

犬心肌細(xì)胞(MC)原代細(xì)胞

Primary Canine Myocardial Cells (MC)

5X10^5

2周

CSI010Ca01

犬視網(wǎng)膜星形細(xì)胞(RA)原代細(xì)胞

Primary Canine Retinal Astrocytes (RA)

5X10^5

2周

CSI067Ca01

犬腎皮層上皮細(xì)胞(RCEC)原代細(xì)胞

Primary Canine Renal Cortical Epithelial Cells (RCEC)

5X10^5

2周

CSI011Ca01

犬腦星形膠質(zhì)細(xì)胞(BA)原代細(xì)胞

Primary Canine Brain Astrocytes (BA)

5X10^5

2周

CSI032Ca01

犬皮下脂肪前體細(xì)胞(SPrAD)原代細(xì)胞

Primary Canine Subcutaneous Preadipocytes (SPrAD)

5X10^5

2周

CSI034Ca01

犬肺成纖維細(xì)胞(PF)原代細(xì)胞

Primary Canine Pulmonary Fibroblasts (PF)

5X10^5

2周

CSI061Ca01

犬腎小管上皮細(xì)胞(RTEC)原代細(xì)胞

Primary Canine Renal  Tubular Epithelial Cells (RTEC)

5X10^5

2周

CSI066Ca01

犬膀胱基質(zhì)成纖維細(xì)胞(BSF)原代細(xì)胞

Primary Canine Bladder Stromal Fibroblasts (BSF)

5X10^5

2周

CSI069Ca01

犬氣管上皮細(xì)胞(TEC)原代細(xì)胞

Primary Canine Tracheal Epithelial Cells (TEC)

5X10^5

2周

CSI075Ca01

犬新生兒表皮角形成細(xì)胞(NEK)原代細(xì)胞

Primary Canine Neonatal Epidermal Keratinocytes (NEK)

5X10^5

2周

CSI083Ca01

犬骨髓間充質(zhì)干細(xì)胞(BMMSCs)原代細(xì)胞

Primary Canine Bone Marrow-derived Mesenchymal Stem Cells (BMMSCs)

5X10^5

2周

CSI108Ca01

犬食管平滑肌細(xì)胞(ESMC)原代細(xì)胞

Primary Canine Esophageal Smooth Muscle Cells (ESMC)

5X10^5

2周

CSI094Ca01

犬脾成纖維細(xì)胞(SF)原代細(xì)胞

Primary Canine Splenic Fibroblasts (SF)

5X10^5

2周

CSI068Ca01

犬氣管平滑肌細(xì)胞(TSMC)原代細(xì)胞

Primary Canine Tracheal Smooth Muscle Cells (TSMC)

5X10^5

2周

CSI081Ca01

犬內(nèi)臟前脂肪細(xì)胞(VPA)原代細(xì)胞

Primary Canine Visceral Preadipocytes (VPA)

5X10^5

2周

CSI138Cp01

山羊卵巢成纖維細(xì)胞(OF)原代細(xì)胞

Primary Caprine Ovarian Fibroblasts (OF)

5X10^5

2周

CSI057Ca01

犬骨骼肌細(xì)胞(SkMC)原代細(xì)胞

Primary Canine Skeletal Muscle Cells (SkMC)

5X10^5

2周

CSI153Ca01

犬主動脈平滑肌細(xì)胞(ASMC)原代細(xì)胞

Primary Canine Aortic Smooth Muscle Cells (ASMC)

5X10^5

2周

CSI019Ca01

犬角膜上皮細(xì)胞(CEC)原代細(xì)胞

Primary Canine Corneal Epithelial Cells (CEC)

5X10^5

2周

CSI114Ca01

犬滑膜細(xì)胞(SYC)原代細(xì)胞

Primary Canine Synovial Cells (SYC)

5X10^5

2周

CSI164Ca01

犬骨髓單核細(xì)胞(BMMC)原代細(xì)胞

Primary Canine Bone Marrow Mononuclear Cells (BMMC)

5X10^5

2周

CSI102Ca01

犬成骨細(xì)胞(OB)原代細(xì)胞

Primary Canine Osteoblasts (OB)

5X10^5

2周

CSI165Ca01

犬外周血單核細(xì)胞(PBMC)原代細(xì)胞

Primary Canine Peripheral Blood Mononuclear Cells (PBMC)

5X10^5






2周

CSI003Mu01

小鼠關(guān)節(jié)軟骨細(xì)胞(AC)原代細(xì)胞

Primary Mouse Articular Chondrocytes (AC)

5X10^5

2周

CSI003Ra01

大鼠關(guān)節(jié)軟骨細(xì)胞(AC)原代細(xì)胞

Primary Rat Articular Chondrocytes (AC)

5X10^5

2周

CSI003Rb01

兔關(guān)節(jié)軟骨細(xì)胞(AC)原代細(xì)胞

Primary Rabbit Articular Chondrocytes (AC)

5X10^5

2周

CSI088Ca01

犬新生兒真皮成纖維細(xì)胞(NDF)原代細(xì)胞

Primary Canine Neonatal Dermal Fibroblasts (NDF)

5X10^5

2周

CSI006Mu01

小鼠主動脈內(nèi)皮細(xì)胞(AEC)原代細(xì)胞

Primary Mouse Aortic Endothelial Cells (AEC)

5X10^5

2周

CSI006Ra01

大鼠主動脈內(nèi)皮細(xì)胞(AEC)原代細(xì)胞

Primary Rat Aortic Endothelial Cells (AEC)

5X10^5

2周

CSI006Rb01

兔主動脈內(nèi)皮細(xì)胞(AEC)原代細(xì)胞

Primary Rabbit Aortic Endothelial Cells (AEC)

5X10^5

2周

CSI007Mu01

小鼠心肌細(xì)胞(MC)原代細(xì)胞

Primary Mouse Myocardial Cells (MC)

5X10^5

2周

CSI007Ra01

大鼠心肌細(xì)胞(MC)原代細(xì)胞

Primary Rat Myocardial Cells (MC)

5X10^5

2周

CSI007Rb01

兔心肌細(xì)胞(MC)原代細(xì)胞

Primary Rabbit Myocardial Cells (MC)

5X10^5

2周

CSI010Mu01

小鼠視網(wǎng)膜星形細(xì)胞(RA)原代細(xì)胞

Primary Mouse Retinal Astrocytes (RA)

5X10^5

2周

CSI010Ra01

大鼠視網(wǎng)膜星形細(xì)胞(RA)原代細(xì)胞

Primary Rat Retinal Astrocytes (RA)

5X10^5

2周

CSI010Rb01

兔視網(wǎng)膜星形細(xì)胞(RA)原代細(xì)胞

Primary Rabbit Retinal Astrocytes (RA)

5X10^5

2周

CSI011Mu01

小鼠腦星形膠質(zhì)細(xì)胞(BA)原代細(xì)胞

Primary Mouse Brain Astrocytes (BA)

5X10^5

2周

CSI011Ra01

大鼠腦星形膠質(zhì)細(xì)胞(BA)原代細(xì)胞

Primary Rat Brain Astrocytes (BA)

5X10^5

2周

CSI011Rb01

兔腦星形膠質(zhì)細(xì)胞(BA)原代細(xì)胞

Primary Rabbit Brain Astrocytes (BA)

5X10^5

2周

CSI032Mu01

小鼠皮下脂肪前體細(xì)胞(SPrAD)原代細(xì)胞

Primary Mouse Subcutaneous Preadipocytes (SPrAD)

5X10^5

2周

CSI032Ra01

大鼠皮下脂肪前體細(xì)胞(SPrAD)原代細(xì)胞

Primary Rat Subcutaneous Preadipocytes (SPrAD)

5X10^5

2周

CSI032Rb01

兔皮下脂肪前體細(xì)胞(SPrAD)原代細(xì)胞

Primary Rabbit Subcutaneous Preadipocytes (SPrAD)

5X10^5

2周

CSI034Mu01

小鼠肺成纖維細(xì)胞(PF)原代細(xì)胞

Primary Mouse Pulmonary Fibroblasts (PF)

5X10^5

2周

CSI034Ra01

大鼠肺成纖維細(xì)胞(PF)原代細(xì)胞

Primary Rat Pulmonary Fibroblasts (PF)

5X10^5

2周

CSI034Rb01

兔肺成纖維細(xì)胞(PF)原代細(xì)胞

Primary Rabbit Pulmonary Fibroblasts (PF)

5X10^5

2周

CSI047Mu01

小鼠腦膜細(xì)胞(MC)原代細(xì)胞

Primary Mouse Meningeal Cells (MC)

5X10^5

2周

CSI047Ra01

大鼠腦膜細(xì)胞(MC)原代細(xì)胞

Primary Rat Meningeal Cells (MC)

5X10^5

2周

CSI047Rb01

兔腦膜細(xì)胞(MC)原代細(xì)胞

Primary Rabbit Meningeal Cells (MC)

5X10^5

2周