chromatec成立于1999年,是一家致力于提供不同的凝血診斷領(lǐng)域人類和重組蛋白的生物技術(shù)公司。此外,chromatec還在蛋白質(zhì)組學(xué)領(lǐng)域提供不同的服務(wù)。chromatec的產(chǎn)品普遍被全球范圍內(nèi)的大學(xué)、生物技術(shù)公司、制藥公司和研究機(jī)構(gòu)所使用,并通過了DIN EN ISO 9001:2015認(rèn)證。
主要生產(chǎn)線
(1)人血小板因子4(Platelet Factor 4 human)
血小板因子4(PF4;也稱為CXCL4)在巨核細(xì)胞和血小板中合成。血小板因子 4是一種由70個(gè)氨基酸組成的蛋白質(zhì),由活化血小板的α顆粒釋放。它的主要生理作用似乎是中和血管內(nèi)皮表面的分子,從而抑制局部抗凝血酶III活性并促進(jìn)凝血。作為中性粒細(xì)胞和成纖維細(xì)胞的強(qiáng)化學(xué)引誘劑,PF4可能在炎癥和傷口修復(fù)中發(fā)揮作用。Oncostatin-A是CXC趨化素家族的成員。人PF4用于證明誘導(dǎo)的血小板減少癥。此外,它還用作腫瘤治療期間血管生成的抑制劑。
chromatec提供重組人血小板因子4、親和素標(biāo)記的人血小板因子4、人血小板因子4重組變體、以及抗人血小板因子4抗體系列產(chǎn)品。
(2)顆粒溶素(Granuylsin)
顆粒溶素(GNLY)是細(xì)胞毒顆粒蛋白,與穿孔素和顆粒酶共同定位于人的細(xì)胞毒T淋巴細(xì)胞(CTL)和自然殺傷細(xì)胞(NK)溶細(xì)胞顆粒中,也釋放至健康人和患者外周血中。GNLY是機(jī)體抵抗多種病原微生物和殺滅腫瘤細(xì)胞的重要物質(zhì)。
(3)血小板膜糖蛋白II b / III a(glycoprotein II b / III a)
chromatec提供分離自人血小板的血小板膜糖蛋白II b / III a。
使用chromatec的產(chǎn)品發(fā)表的部分文獻(xiàn):
1. Bertini S, Fareed J, Madaschi L, et al. Characterization of PF4-Heparin Complexes by Photon Correlation Spectroscopy and Zeta Potential. Clin Appl Thromb Hemost. 2017; doi: 10.1177/1076029616685430
http://journals.sagepub.com/doi/abs/10.1177/1076029616685430?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%3dpubmed
2. Nguyen T-H, Greinacher A, Delcea M. Quantitative description of thermodynamic and kinetic properties of the platelet factor 4/heparin bonds. Nanoscale. 2015; 7:10130-10139
http://pubs.rsc.org/en/Content/ArticleLanding/2015/NR/C5NR02132D#!divAbstract
3. Arman M, Krauel K, Tilley DO, et al. Amplification of bacteria-induced platelet activation is triggered by FcγRIIA, integrin αIIbβ3, and platelet factor 4. Blood. 2014;123(20):3166–74.
http://www.bloodjournal。。org/content/123/20/3166.long?sso-checked=true
4. Block S, Greinacher A, Helm CA, et al. Characterization of bonds formed between platelet factor 4 and negatively charged drugs using single molecule force spectroscopy. Soft matter. 2014;10(16):2775–84.
http://pubs.rsc.org/en/Content/ArticleLanding/2014/SM/c3sm52609g#!divAbstract
5. Schulze A, Jensch I, Krauel K, et al. New insights in heparin-induced thrombocytopenia by the use of fluid-phase assays to detect specifically platelet factor 4/heparin complex antibodies and antibody-secreting cells. Thrombosis research. 2014;134(1):174–81.
http://www.sciencedirect。。com/science/article/pii/S004938481400228X
6. Kreimann M, Brandt S, Krauel K, et al. Binding of anti-platelet factor 4/heparin antibodies depends on the thermodynamics of conformational changes in platelet factor 4. Blood. 2014;124(15):2442–9.
http://www.bloodjournal。。org/content/124/15/2442.long
7. Jaax ME, Krauel K, Marschall T, et al. Complex formation with nucleic acids and aptamers alters the antigenic properties of platelet factor 4. Blood. 2013;122(2):272–81.
http://www.bloodjournal。。org/content/122/2/272.long
8. Krauel K, Hackbarth C, Fürll B, et al. Heparin-induced thrombocytopenia: in vitro studies on the interaction of dabigatran, rivaroxaban, and low-sulfated heparin, with platelet factor 4 and anti-PF4/heparin antibodies. Blood. 2012;119(5):1248–55.
http://www.bloodjournal。。org/content/119/5/1248.long
9. Krauel K, Weber C, Brandt S, et al. Platelet factor 4 binding to lipid A of Gram-negative bacteria exposes PF4/heparin-like epitopes. Blood. 2012;120(16):3345–52.
http://www.bloodjournal。。org/content/120/16/3345.long?sso-checked=true
10. Kolde H-J, Dostatni R, Mauracher S. Rapid and simple IgG specific test for the exclusion of heparin induced thrombocytopenia (HIT). Clinical Chemistry and Laboratory Medicine. 2011;49(12):2065–8.
http://www.degruyter。。com/view/j/cclm.2011.49.issue-12/cclm.2011.693/cclm.2011.693.xml;jsessionid=51EFD1CF9C16145F6D60E19B3BE38680
下圖為chromatec公司授權(quán)上海起發(fā)在中國區(qū)域的代理授權(quán)書。
chromatec熱賣產(chǎn)品
貨號(hào) | 產(chǎn)品名稱 | 規(guī)格 | 品牌 |
PF4-V1-hr | Platelet Factor 4 Variant 1 (PF4-V1) – human, recombinant | 1 mg | chromatec |
PF4-h-B | Platelet Factor 4 (PF4) – human, Biotin-labeled | 1 mg | chromatec |
PF4-h | Platelet Factor 4 (PF4) – human | 1 mg | chromatec |
PF4-V1-hr | Platelet Factor 4 Variant 1 (PF4-V1) – human, recombinant | 1 mg | chromatec |
PF4-mr | Platelet Factor 4 (PF4) – mouse, recombinant | 1 mg | chromatec |
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