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腎上腺組織分離手冊(cè)

更新時(shí)間:2016-02-17點(diǎn)擊次數(shù):787

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Worthington組織消化指南

引言

組織消化酶主要用于組織培養(yǎng)和細(xì)胞生物學(xué)研究的原代細(xì)胞的分離和收集。盡管這些消化酶已經(jīng)普遍應(yīng)用多年,但是對(duì)其組織消化和細(xì)胞收集的作用機(jī)制卻沒有全面的理解。  由此導(dǎo)致的結(jié)果便是選擇一種消化方法大多是隨機(jī)選擇或基于過去的經(jīng)驗(yàn),而不是在*理解消化原理的基礎(chǔ)上選擇的消化方案,以及如何根據(jù)具體實(shí)驗(yàn)?zāi)康男拚桨敢垣@得更好的實(shí)驗(yàn)結(jié)果。

細(xì)胞分離程序的目的是zui大程度的獲得功能活性的單個(gè)細(xì)胞,而影響結(jié)果的原因有很多,包括(不限于)以下:

1、組織類型

2、物種來源

3、動(dòng)物年齡

4、遺傳改造情況(如knockouts

5、所用的消化培養(yǎng)液

6、所用的酶

7、消化酶中的雜質(zhì)

8、所用消化酶的工作濃度

9、溫度

10孵育時(shí)間

通常前四個(gè)原因沒辦法選擇,而剩下的原因一般由經(jīng)驗(yàn)決定以獲取zui適實(shí)驗(yàn)結(jié)果。

通過查閱文獻(xiàn)來選擇*組織消化酶和zui適消化條件的研究人員通常被互相矛盾的實(shí)驗(yàn)數(shù)據(jù)搞得一頭霧水。這些巨大差異來源于組織胞外基質(zhì)的復(fù)雜而動(dòng)態(tài)的特性,以及過去常用的粗制、未提純的組織分離酶。另外,組織胞外基質(zhì)由各種蛋白、糖蛋白、脂類和糖脂組成,這些成分的組成比例在不同物種、不同組織、甚至不同發(fā)育(年齡)之間存在明顯的差異,這些因素都極大的影響了消化方案的制定。目前通常使用的粗制酶,如鏈霉蛋白酶、NF1:250、以及含有幾種其他不同濃度蛋白酶的膠原酶、以及各種多糖酶、核酶和脂酶。

本指南總結(jié)了目前常用組織消化酶的zui適消化和細(xì)胞收集知識(shí)和方法,描述了標(biāo)準(zhǔn)的實(shí)驗(yàn)步驟, 便于制定一個(gè)*的細(xì)胞分離方案,同時(shí)列舉了一些相關(guān)的參考文獻(xiàn)。

下表列出多種組織的適宜消化酶(含參考文獻(xiàn),以組織類型和物種分類,詳見鏈接)

脂肪組織

腎上腺組織

骨組織

腦組織

軟骨組織

結(jié)腸組織

內(nèi)皮組織

上皮組織

心臟

淋巴結(jié)

乳腺

其它組織

其他組織

肌組織

神經(jīng)組織

胰腺

腮腺

垂體

前列腺

生殖

動(dòng)物鱗片

皮膚

脾臟

干細(xì)胞

胸腺

甲狀腺/甲狀旁腺

扁桃體

腫瘤

 

 

 

注:使用Worthington公司消化酶的文獻(xiàn)不限于上表鏈接中所列,一般而言,Worthington公司的組織消化酶可用于大多組織類型的消化。

 

腎上腺組織分離手冊(cè)

 

物種詳細(xì)來源細(xì)胞名稱消化用酶培養(yǎng)基參考文獻(xiàn)
ChromaffinCollagenase Type 1: 0.1-0.2%DMEM/F12Dominguez, N., Rodri璯uez, M., Machado, J. and Borges, R.: Preparation and Culture of Adrenal Chromaffin Cells., Methods Mol Biol 846, 223, 2012
Deoxyribonuclease I: 0.003-0.015%
Hyaluronidase: 0.015%
牛, 6 個(gè)月ChromaffinCollagenase Type 1: 0.125%Locke's solutionMoustafa T, Girod S, Tortosa F, Li R, Sol JC, Rodriguez F, Bastide R, Lazorthes Y, Sallerin B: Viability and functionality of b綿羊 chromaffin cells encapsulated into alginate-PLL microcapsules with a liquefied inner core, Cell Transplant 15, 121-33, 2006
Chromaffin cellsCollagenase: 0.1%DMEMHahm, S., Chen, Y., Vinson, C. and Eiden, L.: A Calcium-Initiated Signaling Pathway Propagated Through Calcineurin and cAMP Response Element-Binding Protein Activates Proenkephalin Gene Transcription after Depolarization., Mol Pharmacol 64, 1503, 2003
Deoxyribonuclease I: 30 u/ml
ChromaffinCollagenase: 0.2%Locke's solutionOrtega, J., Sagen, J., and Pappas, G.: Short-term Immunosuppression Enhances Long-term Survival of B綿羊 Chromaffin Cell Xenografts in Rat CNS,Cell Transplant 1, 33, 1992
ChromaffinDeoxyribonuclease I: 30 u/mgHEPESZhu, J., Li, W., Toews, M., and Hexum, T.: Neuropeptide Y Inhibits Forskolin-Stimulated Adenylate Cyclase in B綿羊 Adrenal Chromaffin Cells via a Pertussis Toxin-Sensitive Process, J Pharmacol Exp Ther 263 (3), 1479, 1992
HeartTrypsin: 0.06%25mM HEPES buffered Locke's solution, CMFTrifaro, J., Tang, R., and Novas, M.: Monolayer Co-Culture of Rat Heart Cells and B綿羊 Adrenal Chromaffin Paraneurons, In Vitro Cell Dev Biol 26, 335, 1990
(also 大鼠)Adrenal chromaffin 
 Paraneurons
ChromaffinCollagenase Type 1: 0.25 %DMEMDahmer, M., Hart, P., and Perlman, R.: Studies on the Effect of Insulin-Like Growth Factor-I on Catecholamine Secretion from Chromaffin Cells, J Neurochem 54 (3), 931, 1990
ChromaffinCollagenase: 0.2%Locke's solutionHiggins, L., and Berg, D.: Immunological Identification of a Nicotinic Acetylcholine Receptor on B綿羊 Chromaffin Cells, J Neurosci 7 (6), 1792, 1987
Deoxyribonuclease I: 0.015%
ChromaffinCollagenase: 0.05%Locke's solution, CMFAunis, D., Rotllan, P., and Miras-Portugal, M.: Incorporation of Adenosine into Nucleotides of Chromaffin Cells in Culture, Neurochem Int 7, 89, 1985
ChromaffinCollagenase: 0.15%Kreb's, CMFAlmazan, G., Aunis, D., Garcia, A., Montiel, C., Nicolas, G., and Sanchez-Garcia, P.: Effects Of CLS on the Release of Noradrenaline From Chromaffin Cells, Br J Biomed Sci 81, 599, 1984
ChromaffinCollagenase: 0.1%(see reference)Pollard, H., Pazoles, C., Creutz, C., Scott, J., Zinder, O., and Hotchkiss, A.:An Osmotic Mechanism For Exocytosis From Dissociated Chromaffin Cells, J Biol Chem 259, 1114, 1984
ChromaffinCollagenase Type 1: 0.05%CF Kreb'sCena, V., Garcia, A., Montiel, C., and Sanchez-Garcia, P.: Uptake of [3H]-nicotine and [3H]-noradrenaline by Cultured Chromaffin Cells, Br J Pharmacol 81, 119, 1984
ChromaffinCollagenase Type 1: 0.025%HBSS, modifiedWaymire, J., Bennett, W., Boehme, R., Hankins, L., Gilmer-Waymire, K., and Haycock, J.: B綿羊 Adrenal Chromaffin Cells: High-Yield Purification and Viability in Suspension Culture, J Neurosci Methods 7, 329, 1983
MedullaHyaluronidase: 0.2%Saline w/BSA 0.5%Knight, D. and Baker, P.: Stimulus-Secretion Coupling in Isolated B綿羊 Adrenal Medullary Cells, Q J Exp Physiol 68, 123, 1983
MedullaCollagenase: 0.2%Krebs-Ringer bicarbonate buffer, CMFGreenberg, A. and Zinder, O.: alpha- and beta-Receptor Control of Catecholamine Secretion from Isolated Adrenal Medulla Cells, Cell Tissue Res226, 655, 1982
ChromaffinDeoxyribonuclease I: 15 礸/mlMedium AWilson, S.P., and Viveros, O.H.: Primary Culture of Adrenal Medullary Chromaffin Cells in a Chemically Defined Medium, Exp Cell Res 133, 159, 1981
(see reference)
MedullaProtease: 0.2%SalineBaker, P., and Knight., D: Calcium Control of Exocytosis and Endocytosis in B綿羊 Adrenal Medullary Cells, Phil Trans R Soc Lond 296, 83, 1981
ChromaffinCollagenase: 0.05%Locke's solution, CMFTrifaro, J.M., and Lee, R.W.: Morphological Characteristics and Stimulus-Secretion Coupling in B綿羊 Adrenal Chromaffin Cell Cultures, Neuroscience 5, 1533, 1980
牛, 成年的ChromaffinCollagenase: 0.5%HBSSUnsicker, K., Rieffert, B., and Ziegler, W.: Effects of Cell Culture Conditions, Nerve Growth Factor, Dexamethasone, and Cyclic AMP on Adrenal Chromaffin Cells In Vitro, Adv Biochem Psychopharmacol 255, 51, 1980
(還有大鼠, 加拿大-威斯塔, 年幼的; 豚鼠, 初生)
ChromaffinCollagenase: 0.25%F-12 mediumKumakura, K., Karoum, F., Guidotti, A., and Costa, E.: Modulation of Nicotinic Receptors by Opiate Receptor Agonists in Cultured Adrenal Chromaffin Cells, Nature 283, 489, 1980
MedullaCollagenase: 0.05%Locke's solution, CFKilpatrick, D., Ledbetter, F., Carson, K., Kirshner, A., Slepetis, R., and Kirshner, N.: Stability of B綿羊 Adrenal Medulla Cells in Culture, J Neurochem 35 (3), 679, 1980
牛, 成年的MedullaCollagenase Type 1: 0.5%HBSSUnsicker, K., and Griesser, G.: Establishment, Characterization and Fibre Outgrowth of Isolated B綿羊 Adrenal Medullary Cells in Long-Term Cultures,Neuroscience 5, 1445, 1980
ChromaffinCollagenase: 0.05%DMEMAunis, D., Guerold, B., Bader, M-F., and Cieselski-Treska, J.:Immunocytochemical and Biochemical Demonstration of Contractile Proteins in Chromaffin Cells, Neuroscience 5, 2261, 1980
MedullaryCollagenase Type 2: 0.2%HEPESHersey, R., and DiStefano, V.: Control of Phenylethanolamine N-Methyltransferase by Glucocorticoids in Cultured B綿羊 Adrenal Medullary Cells, J Pharmacol Exp Ther 209 (1), 147, 1979
ForeskinCollagenase: 0.5%Dulbecco's MEM w/10% calf serumFolkman, J., Haudenschild, C. C., and Zetter, B. R.: Long-term Culture of Capillary Endothlial Cells, Proc Natl Acad Sci U S A 76, 5217, 1979
MedullaCollagenase Type 1: 0.05%Kreb's, CFFenwick, E., Fajdiga, P., Howe, N., and Livett, B.: Functional and Morphological Characterization of Isolated B綿羊 Adrenal Medullary Cell, J Cell Biol 76, 12, 1978
ChromaffinHyaluronidase: 0.2%HEPES, CFBrooks, J.C.: The Isolated B綿羊 Adrenomedullary Chromaffin Cell: A Model of Neuronal Excitation-Secretion, Endocrinology 101, 1369, 1977
牛, 雄性ChromaffinCollagenase Type 1: 0.2%Kreb's Ringer bicarbonate buffer, CFSchneider, A., Herz, R., and Rosenheck, K.: Stimulus-Secretion Coupling in Chromaffin Isolated From Adrenal Medulla, Proc Natl Acad Sci U S A 74, 5036, 1977
豚鼠豚鼠, 500-700克ChromaffinCollagenase: BSSRole, L.W., Leeman, S.E., and Perlman, R.L.: Somatostain and Substance P Inhibit Catecholamine Secretion from Isolated Cells of 豚鼠 Adrenal Medulla, Neurochem Int 6, 1813, 1981
Medulla(see reference)
豚鼠豚鼠 ChromaffinCollagenase: 0.5%HBSSUnsicker, K., Rieffert, B., and Ziegler, W.: Effects of Cell Culture Conditions, Nerve Growth Factor, Dexamethasone, and Cyclic AMP on Adrenal Chromaffin Cells In Vitro, Adv Biochem Psychopharmacol 255, 51, 1980
(還有大鼠,漢諾威-威斯塔, 年幼的; 初生; 牛)
豚鼠豚鼠AdrenalCollagenase: 0.05%-0.20%Kreb's-Ringer bicarb glucose buffer, CFHochman, J., and Perlman, R.L.: Catecholamine Secretion by Isolated Adrenal Cells, Biochim Biophys Acta 421, 168, 1976
Chromaffin
倉(cāng)鼠倉(cāng)鼠 (金倉(cāng)鼠) 100-150 克Adrenal Hyaluronidase: 0.20%Kreb's Ringer bicarbonate bufferLiang, B.T., and Perlman, R.L.: Catecholamine Secretion by 倉(cāng)鼠 Adrenal Cells, J Neurochem 32, 927, 1979
Chromaffin
人類人類Adrenal medulla progenitorCollagenase: 0.2%DMEM/F-12Santana, M., Chung, K., Vukicevic, V., Rosmaninho-Salgado, J., Kanczkowski, W., Cortez, V., Hackmann, K., Bastos, C., Mota, A., Schrock, E., Bornstein, S., Cavadas, C. and Ehrhart-Bornstein, M.: Isolation, Characterization, and Differentiation of Progenitor Cells from 人類 Adult Adrenal Medulla., Stem Cells Transl Med 1, 783, 2012
人類人類Chromaffin cellsCollagenase: 0.2%Locke's solutionJeon, Y., Baek, W., Chung, S., Shin, N., Kim, H., and Lee, S.: Cultured 人類 Chromaffin Cells Grafted in Spinal Subarachnoid Space Relieves Allodynia in a Pain Rat Model., Korean J Anesthesiol 60, 357, 2011
人類人類AdrenocorticalCollagenase Type 1: 0.2%Krebs RingerCaroccia, B., Fassina, A., Seccia, T., Recarti, C., Petrelli, L., Belloni, A., Pelizzo, M. and Rossi, G.: Isolation of 人類 Adrenocortical Aldosterone-Producing Cells by a Novel Immunomagnetic Beads Method., Endocrinology 151, 1375, 2010
Deoxyribonuclease I: 0.01%
人類人類, 成年的ChromaffinTrypsin: 0.25%Eagle's MEMTischler, A., DeLellis, R., Bailes, B., Nunnemacher, G.,Carabba, V., and Wolfe, H.: Nerve Growth Factor-Induced Neurite Outgrowth from Normal 人類 Chromaffin Cells, Lab Invest 43, 399, 1980
人類人類, 成年的和小孩ForeskinCollagenase: 0.5%Dulbecco's MEM w/10% calf serumFolkman, J., Haudenschild, C. C., and Zetter, B. R.: Long-term Culture of Capillary Endothlial Cells, Proc Natl Acad Sci U S A 76, 5217, 1979
小鼠小鼠ChromaffinCollagenase Type 1: 0.1-0.2%DMEM/F12Dominguez, N., Rodri璯uez, M., Machado, J. and Borges, R.: Preparation and Culture of Adrenal Chromaffin Cells., Methods Mol Biol 846, 223, 2012
Deoxyribonuclease I: 0.003-0.015%
Hyaluronidase: 0.015%
小鼠小鼠, 8-10 周ChromaffinPapain: 40 u/mlDMEMKolski-Andreaco, A., Cai, H., Currle, D., Chandy, K. and Chow, R.: 小鼠 Adrenal Chromaffin Cell Isolation., J Vis Exp 2, 129, 2007
小鼠小鼠, 胚胎Chromafin cellsPapain: 20-25 u/mlDMEMTian Jin-Hua, Wu Zheng-Xing, Unzicker Michael, Lu Li, Cai Qian, Li Cuiling, Schirra Claudia, Matti Ulf, Stevens David, Deng Chuxia, Rettig Jens, Sheng Zu-Hang: The role of Snapin in neurosecretion: snapin knock-out mice exhibit impaired calcium-dependent exocytosis of large dense-core vesicles in chromaffin cells, J Neurosci 25, 10546-55, 2005
綿羊綿羊, 成年的和胚胎AdrenocorticalCollagenase Type 1: 0.4%DMEM/Ham's F12Valego, N. and Rose, J.: A Specific CRH Antagonist Attenuates ACTH-Stimulated Cortisol Secretion in 綿羊 Adrenocortical Cells., Reprod Sci 17, 477, 2010
綿羊綿羊, 胚胎AdrenocorticalCollagenase Type 1: 0.4%DMEM/Ham's F12Valego, N., Su, Y., Carey, L., Young, S., Tatter, S., Wang, J. and Rose, J.:Hypothalamic-Pituitary Disconnection in Fetal Sheep Blocks the Peripartum Increases in Adrenal Responsiveness and Adrenal ACTH Receptor Expression.,Am J Physiol Regul Integr Comp Physiol 289, R410, 2005
綿羊綿羊, 成年Chromaffin cellsCollagenase Type 2: 0.2%Locke's solutionKeating, D., Rychkov, G., Adams, M., Holgert, H., McMillen, I.C. and Roberts, M.: Opioid Receptor Stimulation Suppresses the Adrenal Medulla Hypoxic Response in Sheep by Actions on Ca(2+) and K(+) Channels., J Physiol555, 489, 2004
Deoxyribonuclease I: 100 u/ml
綿羊綿羊, 3 年Anterior pituitaryTrypsin: 2.5%DMEMCanny B J, O'Farrell K A, Clarke I J, Tilbrook A J: The influence of sex and gonadectomy on the hypothalamo-pituitary-adrenal axis of the sheep, J Endocrinol 162, 215-25, 1999
Deoxyribonuclease I: 0.004%
大鼠大鼠ChromaffinCollagenase Type 1: 0.1-0.2%DMEM/F12Dominguez, N., Rodri璯uez, M., Machado, J. and Borges, R.: Preparation and Culture of Adrenal Chromaffin Cells., Methods Mol Biol 846, 223, 2012
Deoxyribonuclease I: 0.003-0.015%
Hyaluronidase: 0.015%
大鼠大鼠ChromaffinCollagenase Type 1: 0.26%HBSSGilabert, J, Montalvo, G, and Artalejo A.: Rat Chromaffin Cells Primary Cultures: Standardization and Quality Assessment for Single-Cell Assays,Nat Protoc , 294, 2006
Deoxyribonuclease I: 0.015%
Hyaluronidase: 0.015%
大鼠大鼠, SDChromaffin cellsCollagenase Type 1: 0.26%HBSSGilabert, J: Necessary Conditions to Maintain Rat Adrenal Chromaffin Cells in Primary Culture,Cell Biology of the Chromaffin Cell,Borges, R. and Gandia, L., Instituto Teofilo Hernando, , 2004
Deoxyribonuclease I: 0.015%
Hyaluronidase: 0.015%
大鼠大鼠, SD, 雄性Zona fasciculata/reticularisCollagenase: 0.4%Krebs-HEPESBruder Eric D, Ball Dennis L, Goodfriend Theodore L, Raff Hershel: An oxidized metabolite of linoleic acid stimulates corticosterone production by rat adrenal cells, Am J Physiol Regul Integr Comp Physiol 284, R1631-5, 2003
大鼠大鼠, 威斯塔, 初生Chromaffin cellsCollagenase Type 1: 0.025%DMEMZhang L, Casl A, Avila E, Drucker-Col鉚n R, Escobar A:Immunocytochemical, ultrastructural and neurochemical evidences on synaptogenesis and dopamine release of rat chromaffin cells co-cultured with striatal neurons, J Neuropathol Exp Neurol 59, 170-4, 2000
Deoxyribonuclease I: 0.0015%
大鼠大鼠, SD, 雄性ZGCollagenase Type 1: 0.2%Kreb'sSayed, S., Whitehouse, B., and Jones, P.: Phosphoserine/Threonine Phosphatases in the Rat Adrenal Cortex: A Role in the Control of Steroidogenesis, J Endocrinol 154, 449, 1997
ZFR
大鼠大鼠, 費(fèi)希爾, 雄性, 10-16周AdrenocorticalDeoxyribonuclease I: 0.005%BSSRoskelley, C.D. and Auersperg, N.: Density Separation of Rat Adrenocortical Cells: Morphology, Steroidogenesis, and P-450scc Expression in Primary Culture,In Vitro Cell Dev Biol 26, 493, 1990
大鼠大鼠, 雄性, 120-160 g, LeydigCollagenase Type 2: 0.03% (adrenal)Krebs Ringer bicarbonate bufferNg, T. and Liu, W.: Toxic Effect of Heavy Metals on Cells Isolated from the Rat Adrenal and Testis, In Vitro Cell Dev Biol 26, 24, 1990
大鼠, SD, 雄性, 400-450 gAdrenal
大鼠大鼠, SD, 2-4 day oldHeartTrypsin: 0.06%25mM HEPES buffered Locke's solution, CMFTrifaro, J., Tang, R., and Novas, M.: Monolayer Co-Culture of Rat Heart Cells and B綿羊 Adrenal Chromaffin Paraneurons, In Vitro Cell Dev Biol 26, 335, 1990
(also 牛)Adrenal chromaffin 
 Paraneurons
大鼠大鼠, Long-Evans, 雌性, 150-200 gGlomerulosaCollagenase: 0.2%MEM-d-ValPayet, N., Deziel, Y., and Lehoux, J.-G.: Vasopressin: A Potent Growth Factor in Adrenal Glomerulosa Cells in Culture, J Steroid Biochem 20, 449, 1984
大鼠大鼠, 費(fèi)希爾, 雄性, 1-10月AdrenocorticalDeoxyribonuclease I: 0.005%BSSLeonard, R.K., Auersperg, N., and Parkes, C.O.: Ascorbic Acid Accumulation by Cultured Rat Adrenocortical Cells, In Vitro 19, 46, 1983
大鼠大鼠, SD, 雄性, 400-450 克DecapularDeoxyribonuclease I: 0.01%Medium 199Li, C.H., Ng, T.B., and Cheng, C.H.K.: Melanotropins: Aldosterone- and Corticosterone-Stimulating Activity in Isolated Rat Adrenal Cells, Int J Pept Protein Res 19, 361, 1982
Capsular
Glomerulosa
大鼠大鼠ChromaffinTrypsin: 0.10%Ham's F-12 w/HEPESEnglert, D.F.: An Optical Study of Isolated Rat Adrenal Chromaffin Cells, Exp Cell Res 125, 369, 1980
大鼠大鼠, 漢諾威-威斯塔, 第二出生后的一周 (還有 豚鼠, 牛)ChromaffinCollagenase: 0.5%HBSSUnsicker, K., Rieffert, B., and Ziegler, W.: Effects of Cell Culture Conditions, Nerve Growth Factor, Dexamethasone, and Cyclic AMP on Adrenal Chromaffin Cells, Adv Biochem Psychopharmacol 25, 51, 1980
大鼠大鼠 , SD, 雌性, 200 克GlomerulosaDeoxyribonuclease I: 0.05%Kreb'sBraley, L., Williams, G., and Bradwin, G.: The Effect of Unit Gravity Sedimentation on Adrenal Steroidogenesis by Isolated Rat Glomerulosa and Fasciculata Cells, Endocrinology 106 (1), 50, 1980
大鼠大鼠ForeskinCollagenase: 0.5%Dulbecco's MEM w/10% calf serumFolkman, J., Haudenschild, C. C., and Zetter, B. R.: Long-term Culture of Capillary Endothlial Cells, Proc Natl Acad Sci U S A 76, 5217, 1979
大鼠大鼠, 漢諾威-威斯塔, 7-12 天MedullaryTrypsin: 0.125%HBSSUnsicker, K., Krisch, B., Otten, U., and Thoenen, H.: Nerve Growth Factor-Induced Fiber Outgrowth From Isolated Rat Adrenal Chromaffin Cells: Impairment by Glucocorticoids, Proc Natl Acad Sci U S A 75 (7), 3498, 1978
大鼠大鼠, SD, 雄性CorticalTrypsin: 0.25%Kreb's Ringer bicarbonate bufferBarofsky, A., Feinstein, M., and Halkerston, I.: Enzymatic and Mechanical Requirements for the Dissociation of Cortical Cells From Rat Adrenal Glands,Exp Cell Res 79, 263, 1973
大鼠大鼠, Holtzman, 雄性, 180-250 gAdrenalCollagenase Type 1: 0.5%Kreb's Ringer bicarbonate bufferKloppenborg, P., Island, D., Liddle, G., Michelakis, A., and Nicholson, W.: A Method of Preparing Adrenal Cell Suspensions and Its Applicability to the In Vitro Study of Adrenal Metabolism, Endocrinology 82, 1053, 1968

 

我們公司zui大優(yōu)勢(shì)是強(qiáng)大的采購(gòu),

1:基本什么都能進(jìn)口,血清,抗體,耗材,還有部分限制進(jìn)口的,

2:貨品全,現(xiàn)經(jīng)營(yíng)過700多個(gè)品牌,基本所有生物試劑耗材都可以進(jìn)口,特別是冷偏的產(chǎn)品那就更有優(yōu)勢(shì),

3:提供加急服務(wù),一般1-2周到貨,超過時(shí)限加急費(fèi)全免

4:價(jià)格公道,絕大部分價(jià)格有優(yōu)勢(shì),當(dāng)然不能保證100%產(chǎn)品都是,因?yàn)橐馕吨鴽]有服務(wù).

5:良好的信譽(yù),大部分客戶我們提供貨到付款服務(wù),客戶包括清華,北大 交大 復(fù)旦,中山等100多所大學(xué),ROCHE,阿斯利康,國(guó)藥 ,fisher等500多家公司

6:我們還是Santa,Advanced Biotechnologies Inc, Worthington Biochemical ,bangs,BBInternational,crystalchem,dianova,FD Neurotechnologies,Inc. Dako,Inc, GePromegaridege, Glycotope Biotechnology GmbH; iduron,Innovative Research of America, Ludger, neuroprobe,Worthington Biochemical , Polysciences,prospecbi, QA-BIO,quickzyme,FULLERLABS,INC,sterlitech;sysy,TriLink BioTechnologies,Inc;worthington-biochem,zyagen等幾十家國(guó)外公司授權(quán)代理。
7:我們還是invitrogen,qiagen,Worthington Biochemical am,sigma;Promega,roche,merck, rnd,BD, GE,pierce,BioLegend等*批發(fā),歡迎合作。

 

 

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