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HumanTh1/Th2/Th17 Phenotyping Kit

HumanTh1/Th2/Th17 Phenotyping Kit
參考價(jià) 面議
具體成交價(jià)以合同協(xié)議為準(zhǔn)
  • 型號(hào) 560751
  • 品牌 BD/美國(guó)
  • 廠商性質(zhì) 代理商
  • 所在地 重慶市

更新時(shí)間:2017-11-13 08:36:45瀏覽次數(shù):2536

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產(chǎn)品簡(jiǎn)介
HumanTh1/Th2/Th17 Phenotyping Kit
Product Information
Material Number: 560751
Size: 50 tests
Human Th1/Th2/Th17 Phenotyping Cocktail 1.0 ml
Containing the following:
Human CD4 PERCP

HumanTh1/Th2/Th17 Phenotyping Kit
Product Information
Material Number: 560751
Size: 50 tests
Description
Components:
51-9006615 Human Th1/Th2/Th17 Phenotyping Cocktail 1.0 ml
Containing the following:
Human CD4 PERCP-CY5.5 (clone: SK3)
Human IL-17A PE (clone: N49-653)
Human IFN-GMA FITC (clone: B27)
Human IL-4 APC (clone: MP4-25D2)
51-9006613 BD Cytofix™ Fixation Buffer 100 ml
51-2091KE BD Perm/Wash™ Buffer 25 ml
51-2092KZ BD GolgiStop™ Protein Transport Inhibitor (containing monensin) 0.7 ml
The peripheral CD4+ T cell pool includes multiple effector and memory T cell subsets that arise through antigen-driven
expansion and differentiation of naïve T cells. The early response of naïve CD4+ T cells to antigenic stimulation is characterized
by high level proliferation and a limited cytokine repertoire. Further differentiation yields cells with a more diverse potential for
cytokine expression. Depending upon the balance of local cytokines, costimulatory molecules, antigen levels, and genetic
factors, Type-1 T helper (Th1), Th2, and Th17 effector and/or memory cells are generated by immune responses.

外周血CD4+ T細(xì)胞池包括多個(gè)效應(yīng)和記憶T細(xì)胞亞群的出現(xiàn),通過(guò)抗原驅(qū)動(dòng)的

膨脹和Naï幼稚T細(xì)胞的分化。的Naï已經(jīng)CD4 + T細(xì)胞的抗原刺激的早期反應(yīng)的特征

高水平的細(xì)胞因子的增殖和有限的劇目。進(jìn)一步分化產(chǎn)生的細(xì)胞與不同的潛力

細(xì)胞因子的表達(dá)。根據(jù)局部細(xì)胞因子平衡,共刺激分子,抗原的水平,和遺傳

因素,Ⅰ型T輔助細(xì)胞(Th1,Th2和Th17細(xì)胞效應(yīng)),和/或記憶細(xì)胞通過(guò)產(chǎn)生的免疫應(yīng)答。

Functionally-polarized CD4+ T cell subsets have been identified based on their distinctive patterns of cytokine secretion. As a
signature cytokine, Th1 cells selectively produce large amounts of interferon-gamma (IFN-γ). Th2 cells selectively produce IL-4,
and Th17 express high levels of IL-17A. Through secretion of IFN-γ and other effector molecules, Th1 cells activate
macrophages, natural killer (NK) cells, and CD8+ T cells and are responsible for cell-mediated immunity. Th1 cells provide
protection against intracellular bacteria, fungi, protozoa and viruses and are involved in some autoimmune responses. IL-4
produced by Th2 cells is particularly strong in driving B cells to generate IgE-secreting cells. IgE plays a role in basophil/mast
cell mediated immune reactions. Th2 cells mediate protection against extracellular parasites but may also cause harmful allergic
responsiveness to develop. Through the secretion of IL-17A and other factors, Th17 cells recruit and activate neutrophils and
mediate immune responses against extracellular bacteria and fungi. Th17 cells are also implicated in autoimmune responses. In
addition to these types of T helper Investigators should note that the appearance of BD GolgiStop™ Protein Transport Inhibitor may range in color from clear
(colorless) to light yellow.

功能性極化的CD4 + T細(xì)胞亞群是基于細(xì)胞分泌細(xì)胞因子的*的模式識(shí)別。作為一個(gè)

簽名細(xì)胞因子,Th1細(xì)胞選擇性地產(chǎn)生大量的干擾素γ(IFN-γ)。Th2細(xì)胞產(chǎn)生IL-4的選擇性,

Th17細(xì)胞表達(dá)高水平的IFN-γIL-17A。通過(guò)與其他效應(yīng)分子的分泌,Th1細(xì)胞激活

巨噬細(xì)胞,自然殺傷(NK)細(xì)胞和CD8 + T細(xì)胞,并負(fù)責(zé)細(xì)胞免疫。Th1細(xì)胞提供

保護(hù)對(duì)細(xì)胞內(nèi)的細(xì)菌,真菌,原生動(dòng)物和病毒和參與一些自身免疫反應(yīng)。IL-4

由Th2細(xì)胞產(chǎn)生特別強(qiáng)的驅(qū)動(dòng)B細(xì)胞產(chǎn)生IgE的分泌細(xì)胞。IgE嗜堿性粒細(xì)胞和肥大作用

細(xì)胞介導(dǎo)的免疫反應(yīng)。Th2細(xì)胞介導(dǎo)的防外寄生蟲也可能導(dǎo)致有害的過(guò)敏

反應(yīng)性發(fā)展。通過(guò)對(duì)IL-17A和其他因子的分泌,招募和激活中性粒細(xì)胞和Th17細(xì)胞

調(diào)解對(duì)胞外細(xì)菌和真菌的免疫反應(yīng)。Th17細(xì)胞也參與自身免疫反應(yīng)。在

除了這些類型的T輔助細(xì)胞,

應(yīng)注意,BD golgistop™蛋白轉(zhuǎn)運(yùn)抑制劑的出現(xiàn)可能清楚的顏色范圍

(無(wú)色到淡黃色)。

Preparation and Storage
Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.
The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography.
Irritating to eyes and skin. Do not breathe vapor. In case of contact with eyes, rinse immediay with plenty of water and seek medical
advice. Wear suitable protective clothing.
The antibody was conjugated to APC under optimum conditions, and unconjugated antibody and free APC were removed.
The antibody was conjugated with R-PE under optimum conditions, and unconjugated antibody and free PE were removed.
The antibody was conjugated with PerCP-Cy5.5 under optimum conditions, and unconjugated antibody and free PerCP-Cy5.5 were
removed. Storage of PerCP-Cy5.5 conjugates in unoptimized diluent is not recommended and may result in loss of signal intensity.
The antibody was conjugated with FITC under optimum conditions, and unreacted FITC was removed.

A. Stimulation of the Cells
Various in vitro methods have been reported for polarization or stimulation of T helper cells subsets of which PMA (Phorbol ester) plus
Ionomycin (Calcium Ionophore) has been particularly useful for quickly inducing and characterizing polyclonal cytokine-producing cells. For this
kit we recommend the stimulation of normal PBMCs at a concentration of 1-10 million cells per ml in media for 5 hours with PMA/Ionomycin (at
50 ng/ml and 1 μg/ml respectively) in the presence of BD GolgiStop™ Protein Transport Inhibitor (provided in the kit or Cat #554724). Add 4 μl
of BD GolgiStop™ for every 6 ml of cell culture and mix thoroughly. It is recommended that BD GolgiStop™ not be kept in cell culture for
longer than 12 hours.
Note: Kinetic studies need to be performed to determine the optimal incubation time for each experimental system. Depending on the donor, frequencies of cytokine
producing cells derived from activation of PBMC can vary widely for a specific cytokine. In particular, the number of IL-17 producing cells can be very low or even
negligible on PMA/Ionomycin stimulated PBMC. In these cases, Th17 polarization cultures should be considered. For specifics on polarization of Th17 cells please refer
to the references.
560751


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