詳細介紹
干細胞不同基底硬度機械力培養系統
特別適合細胞、干細胞不同基底硬度牽張拉伸刺激培養或靜態培養(模量剛度范圍1-80 kPa)。
美國flexcell提供CellSoft™型號的不同基底硬度培養耗材包括:不同基底硬度牽張拉伸培養板、培養皿和可用于顯微觀察的腔室載玻片(圓形多孔板)多種不同的種類,該cellsoft不同基底硬度培養耗材共價包被Collagen I或其他蛋白配合flexcell細胞牽張拉伸培養儀,可對細胞進行靜態或動態牽拉應力刺激。更重要的一點,新型的CellSoft™ 培養板可以反復胰酶消化和再接種細胞,蛋白包被的表面可以重復使用多達三次。
美國Flexcell公司專注于細胞組織應力(牽張拉伸應力、三維水凝膠牽張拉伸應力、壓應力和流體切應力等)加載刺激培養產品的設計和制造,提供*的體外細胞拉應力、壓應力和流體剪切應力加載刺激與立體水凝膠支架三維細胞組織牽拉加載培養系統而*。
其產品成熟度高、成功應用文獻量達4000多篇,國內有包括上海交通大學、復旦大學、同濟大學、上海第九醫院、中科院力學所、北京大學第三醫院、北航生物與醫學工程學院、都醫科大學、廣州醫科大學、南方科技大學、福建協和醫院、南方醫科大學近100家成功高校、醫院及基礎科研單位使用,無技術風險和使用風險,flexcell體外高通量細胞牽張拉伸力、壓應力以及流體剪切力加載培養系統已成為細胞力學體外加載模型的黃金標準,是細胞組織力學研究者的shou選。
FX-5000T細胞牽張拉伸應力加載系統(Flexcell FX5000 Tension system)
系統基本原理(負氣壓交換模式):
橡膠密封墊在細胞培養板基底膜與基板之間形成封閉腔,把此密封腔的進、出氣管插入二氧化碳培養箱里,把此密封腔放入二氧化碳培養箱, 利用封閉腔抽真空產生的負壓使彈性基底膜(拉動三維支架)發生形變,通過計算機控制系統調節氣體的壓力來改變基底膜的形變量,進而使貼壁生長的細胞受到牽拉加載刺激。
亮點:
1)該系統對二維、三維細胞和組織各種培養物提供軸向和圓周應力加載;不但具有雙軸向拉伸力加載,還具備單軸向加力功能
2)計算機控制的應力加載系統,為體外培育的細胞提供的、可控制的、可重復的、靜態的或者周期性的應力變化。
3)使用真空泵,抻拉培養板底部的彈性硅膠模,細胞培養板底部伸展度可達到33%,通過氣體裝置可以自動調節和控制應力。
4)基于柔性膜基底變形、受力均勻;
5)可實時觀察細胞、組織在應力作用下的反應;
6)*的flexstop隔離閥可使同一塊培養板力的一部分培養孔的細胞受力,一部分培養孔的細胞不受力,方便對比實驗;
7)與壓力傳導儀整合,同時兼備多通道細胞壓力加載功能;
8)與Flex Flow平行板流室配套,可在牽拉細胞的同時施加流體切應力;
9)多達4通道,可4個不同程序同時運行,進行多個不同拉伸形變率對比實驗;
10)同一程序中可以運行多種頻率,多種振幅和多種波形;
11)加載模擬波形種類豐富:靜態波形、正旋波形、心動波形、三角波形、矩形以及各種特制波形;
12)更好地控制在超低或超高應力下的波形;
13)電腦系統對牽張拉伸力加載周期、大小、頻率、持續時間智能調控
14)加載分析各種細胞在牽張拉應力刺激下的生物化學反應
15)伸展度范圍廣:0-33%
16)牽拉頻率范圍廣:0.01-5Hz
17)典型應用:
該系統感應各種細胞在應力刺激下的生物化學反應,例如:骨骼細胞,肺細胞,心肌細胞,血細胞,皮膚細胞,
肌腱細胞,韌帶細胞,軟骨細胞和骨細胞等各種2D或3D細胞組織。
典型應用科室:
口腔 | 顳下頜關節滑膜細胞、人牙周膜細胞、口腔上皮細胞、口腔鱗癌KB細胞等 |
骨: | 骨骼細胞、肌腱細胞、韌帶細胞、軟骨細胞和骨細胞、骨髓間充質干細胞, 軟骨組織、椎間盤骨組織、肌腱組織、韌帶組織等 |
肺呼吸 | 肺細胞、肺上皮細胞、肺動脈內皮細胞、人肺微血管內皮細胞 |
眼科視覺神經 | 眼上皮細胞、眼小梁組織細胞、視網膜神經細胞 |
心血管/高血壓: | 心肌細胞、血細胞、心血管平滑肌細胞、血管內皮細胞 |
生殖 | 腎膀胱細胞、平滑肌細胞/尿路上皮及尿路上皮細胞、腎小管上皮細胞 |
消化 | 腸上皮細胞、 胃上皮細胞、胃血管內皮細胞 |
皮膚 | 皮膚細胞、皮膚成纖維細胞 |
2、FX-5000C細胞壓力加載系統(flexcell FX5000 Compression system)——提供樣機體驗
系統基本原理(正氣壓交換模式):
利用橡膠密封墊在細胞培養板基底膜與基座之間形成封閉腔,把此密封腔的進、出氣管插入二氧化碳培養箱里,把此密封腔放入二氧化碳培養箱,利用封閉腔正氣壓擠壓培養孔里的活塞,進而使活塞和固定臺之間的凝膠三維培養物間接受到壓力發生形變,通過計算機控制系統調節氣體的壓力來改變基底膜的形變量。
(注釋:壓力加載培養板每個培養孔里都有一對活塞或固定臺)
亮點
1)該系統對各種組織、三維細胞培養物提供周期性或靜態的壓力加載;
2)基于柔性膜基底變形、受力均勻;
3)可實時觀察細胞、組織在壓力作用下的反應;
4)可有選擇性地封阻對細胞的應力加載;
5)同時兼備多通道細胞牽拉力加載功能;
6)多達4通道,可4個不同程序同時運行,進行多個不同壓力形變率對比實驗;
7)同一程序中可以運行多種頻率(0.01- 5 Hz),多種振幅和多種波形;
8)更好地控制在超低或超高應力下的波形;
9)多種波形種類:靜態波形、正旋波形、心動波形、三角波形、矩形以及各種特制波形;
10)電腦系統對壓力加載周期、大小、頻率、持續時間智能調控
11)壓力范圍:0.1 - 14磅,夾在活塞和固定臺之間的BioPress細胞培養板可承受正壓力0.1---14磅
12)典型應用科室:
檢測各種三維細胞組織在壓力作用下的生物變化、反應,
例如:軟骨組織,椎間盤骨組織,肌腱組織,韌帶組織,以及從肌肉,肺,心臟,血管,皮膚,肌腱,韌帶,軟骨和骨中分離出來的細胞。
13)在智能電腦主機的控制下,壓力傳導儀內的密封閥門裝置自動調節和控制壓力。
14)系統具有模塊化易升級,可擴展拉應力加載、流利切應力加載、三維細胞組織培養功能。具有細胞組織力學所要求的所有類型:牽張拉伸力、壓力、流體切應力加載刺激功能。
15)通過StagePress顯微壓應力加載設備,實時觀察細胞、組織在拉/壓應力作用下的反應
3、全自動可牽張拉伸刺激立體水凝膠支架三維細胞培養系統(Flexcell TissueTrain System)——提供樣機體驗
FLEXCELL Tissue Train®是個獨立的全自動細胞組織三維培養、組織構建計算機智能控制的生物反應器系統,它允許研究者創建三維基質凝膠支架, |
真正意義上的三維培養——該系統以多種包被表面(Amino、Collagen (Type I or IV)、Elastin、 ProNectin (RGD)、Laminin (YIGSR))的水凝膠為細胞外基質支架——水凝膠支架因在液態時包裹細胞,固態時形成交聯網絡,細胞粘附力強,良好水分、養分交換。 水凝膠是一種狀似果凍的物質,具有高彈性、吸水性的聚合物組成的網狀物,用于組織工程中,作為幫助細胞生長和發展的支架. 利用立體水凝膠支架作為平臺,觀察不同細胞的交互作用,建立組織和器官。同時通過在立體環境中培育細胞,有助于更深入地了解細胞過程和交互作用. 在基質里細胞培養、構建生物組織,可為三維細胞、組織提供雙軸向應力和單軸向應力,FLEXCELL Tissue Train® |
是當今科研界的可拉伸刺激三維細胞培養、生物組織構建系統。 4\多流場六通道流體切應力培養與實時觀察系統
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二、excellness代理,PrimeCoat彈性基底培養皿板
PrimeCoat series
The ExCellness PrimeCoat series is designed specifically to provide a biomimetic cell culture environment that improves cell characteristics and phenotype in laboratory applications.
Key features
- PrimeCoat elastic substrates are easy to use for cell culture and subsequent analysis.
- PrimeCoat elastic substrates are available with 6 degrees of softness within the elasticity range of body tissues: 2, 5, 10, 15, 30 and 100 kPa.
- PrimeCoat elastic substrates are available in 4 standard formats: 100 mm diameter dishes, 40 mm diameter dishes, 24-well plates and 20x20 mm cover slips.
- PrimeCoat elastic substrates require to be coated by the end user to promote cell adhesion.
- PrimeCoat elastic substrates are transparent. Cells can be visualized with standard transmission light microscopes (e.g., Phase contrast, DIC).
- PrimeCoat elastic substrates are compatible with most standard molecular or cellular techniques: immunofluorescence, immunohistochemistry, protein analysis (e.g., Western blotting, and RNA/DNA extraction).
Biomimetic cell culture substrates at reach
PrimeCoat series combines simplicity and accessibility:
- simplicity of cell handling
- straightforward compatibility with cell analysis tools
- accessible prices
ExCellness in selected peer reviewed publications
In the following peer-reviewed publications, ExCellness biomimetic cell culture devices have been used or cited:
- A Glentis et al. Cancer-associated fibroblasts induce metalloprotease-independent cancer cell invasion of the basement membrane. Nat Commun. 2017 Oct 13;8(1):924.
- N Vedrenne et al. Isolation of astrocytes displaying myofibroblast properties and present in multiple sclerosis lesions. Neurochem. Res. 2017 Apr 22.
- X L Chen et al. MicroRNA-21 preserves the fibrotic mechanical memory of mesenchymal stem cells. Nature Materials 16, 379–389 (2017).
- MR Zeglinski et al. Chronic expression of Ski induces apoptosis and represses autophagy in cardiac myofibroblasts. Biochim. Biophys. Acta. 2016 Jun;1863(6 Pt A):1261-8.
- H Chen et al. Mechanosensing by the α6-integrin confers an invasive fibroblast phenotype and mediates lung fibrosis. Nat. Commun. 2016 Aug 18;7: 12564.
- NP Talele et al. Expression of α-Smooth Muscle Actin Determines the Fate of Mesenchymal Stromal Cells. Stem Cell Reports. 2015 Jun 9;4(6) : 1016-30.
- V Sarrazy et al. Integrins avb5 and avb3 promote latent TGF-beta 1 activation by human cardiac fibroblast contraction. Cardiovasc Res (2014) 102 (3)
- VF Achterberg et al. The nano-scale mechanical properties of the extracellular matrix regulate dermal fibroblast function.J Invest Dermatol. 2014 Jul;134(7):1862-72.
- JA Cadby et al. Differences between the Cell Populations from the Peritenon and the Tendon Core with Regard to Their Potential Implication in Tendon Repair. 2014. PLoS ONE 9(3): e92474.
- T. Grand et al. Aggravation of Cardiac Myofibroblast Arrhythmogeneicity by Mechanical Stress. Cardiovasc Res. 2014 Dec 1;104(3):489-500.
- JA Cadby. Can we improve tendon healing in the horse? A multi-angle study of a multi-facet problem. ISBN: 978-90-5335-715-6.
- A Vashist et al. Recent advances in hydrogel based drug delivery systems for the human body. J. Mater. Chem. B, 2014,2, 147-166.
- EP van der Veer et al. The RNA-Binding Protein Quaking is a Critical Regulator of Vascular Smooth Muscle Cell Phenotype. Circ Res. 2013 Oct 12;113(9):1065-75.
- A De Boeck et al. Differential secretome analysis of cancer-associated fibrobroblasts and bone marrow-derived precursors toidentify microenvironmental regulators of colon cancerprogression. Proteomics 2013,13,379-388.
- C Godbout et al. The Mechanical Environment Modulates Intracellular Calcium Oscillation Activities of Myofibroblasts.PLoS One. 2013; 8(5): e64560.
- S Constant et al. Colon Cancer: Current Treatments and Preclinical Models for the Discovery and Development of New Therapies. Drug discovery; Editor Hany A. El-Shemy. ISBN 978-953-51-0906-8.
- JL Balestrini et al. The mechanical memory of lung myofibroblasts. Integr. Biol., 2012,4, 410-421.
- Stem Cells and Cancer Stem Cells, Volume 8. Therapeutic Applications in Disease and Injury. Editors M.A. Hayat. ISBN 978-94-007-4797-5.
- A Skardal et al. Bioprinted amniotic fluid-derived stem cells accelerate healing of large skin wounds. Stem Cells Transl Med. 2012 Nov;1(11):792-802. doi: 10.5966/sctm.2012-0088. Epub 2012 Oct 29.
- A Skardal et al. Substrate elasticity controls cell proliferation, surface marker expression and motile phenotype in amniotic fluid-derived stem cells. J Mech Behav Biomed Mater. 2013 January; 17: 307-316.
- BJ Crider et al. Myocardin-Related Transcription Factors A and B Are Key Regulators of TGF-b1-Induced Fibroblast to Myofibroblast Differentiation. Journal of Investigative Dermatology (2011) 131, 2378-2385.
- L Follonier Casla et al. A new lock-step mechanism of matrix remodelling based on subcellular contractile events. Journal of Cell Science 123, 1751-1760.
訂貨信息:
Dishes
Product Code Description
01. 100.002.00 2 kPa culture surface 100 mm ø
01. 100.005.00 5 kPa culture surface 100 mm ø
01. 100.010.00 10 kPa culture surface 100 mm ø
01. 100.015.00 15 kPa culture surface 100 mm ø
01. 100.030.00 30 kPa culture surface 100 mm ø
01. 100.100.00 100 kPa culture surface 100 mm ø
Product Code Description
01. 035.002.00 2 kPa culture surface 35 mm ø
01. 035.005.00 5 kPa culture surface 35 mm ø
01. 035.010.00 10 kPa culture surface 35 mm ø
01. 035.015.00 15 kPa culture surface 35 mm ø
01. 035.030.00 30 kPa culture surface 35 mm ø
01. 035.100.00 100 kPa culture surface 35 mm ø
Multi-well plates
Product Code Description
04.024.002.00 2 kPa culture surface 24-well plate
04.024.005.00 5 kPa culture surface 24-well plate
04.024.010.00 10 kPa culture surface 24-well plate
04.024.015.00 15 kPa culture surface 24-well plate
04.024.030.00 30 kPa culture surface 24-well plate
04.024.100.00 100 kPa culture surface 24-well plate
Cover slips
Product Code Description
03.020.002.00 2 kPa culture surface 20x20 mm c.slip
03.020.005.00 5 kPa culture surface 20x20 mm c.slip
03.020.010.00 10 kPa culture surface 20x20 mm c.slip
03.020.015.00 15 kPa culture surface 20x20 mm c.slip
03.020.030.00 30 kPa culture surface 20x20 mm c.slip