Click-iT™ EdU Pacific Blue™ Flow Cytometry Assay Kit
Citations & References (5)
Invitrogen™
Click-iT™ EdU Pacific Blue™ Flow Cytometry Assay Kit
Click-iT™ EdU Pacific Blue™フローサイトメトリーアッセイキットにより、従来のBrdU法と比較して、増殖細胞におけるDNA複製を分析するためのシンプルで堅牢なアッセイが可能となります。新たに合成されたDNAは、フローサイトメーターの405 nmレーザーを使用して分析されます。•正確—BrdUアッセイより優れた結果を提示•詳細を見る
Click-iT® EdU kitを用いて 細胞増殖アッセイを行っています。 どのポイントで途中停止をかけられますか? あるいは、全てのステップを連続して行う必要がありますか?
EdU はDNAに化学的に取り込まれています。 そのため、サンプルを固定後、PBSを加えて4℃で一晩保存することが可能です。また、クリック反応により、Alexa Fluor® azide はEdUに共有結合で結合します。 そのため、クリック反応後も、PBS中で 4℃で一晩保存することが可能です。
Click-iT Plus EdU Imaging Kit は、今までの Click-iT EdU Imaging Kit と何が異なるのですか?
Click-iT EdU Imaging Kit では、反応バッファーに含まれていた銅イオンによって、GFPやR-PEが消光するなど、他の検出系との互換性の問題がありました。 Click-iT Plus EdU Imaging Kit では、銅イオンにキレート剤を付加することにより他の物質への影響を減少させました。 それに伴い、今までの Alexa Fluor azide を Alexa Fluor picolyl azide という物質に変更することで、クリック反応そのものの効率が落ちないようにしています。 Click-iT Plus EdU Flow Kit につきましても同様です。
What are the main characteristics of a Click-iT reaction?
Click reactions have several general characteristics: the reaction is efficient, no extreme temperatures or solvents are required, the reaction is complete within 30 minutes, the components of the reaction are bio-inert, and perhaps most importantly, no side reactions occur-the label and detection tags react selectively and specifically with one another. This final point is a key advantage of this powerful detection technique; it is possible to apply click chemistry-labeled molecules to complex biological samples and detect them with unprecedented sensitivity due to the extremely low background of the reaction.
I will be performing a cell proliferation assay using Click-iT EdU kit. At what point can I stop overnight, or do I have to perform all the steps continuously?
One may store the sample after fixation overnight in PBS at 4oC. For longer storage (<1 week) , store in buffer with 1-2% formaldehyde or in formalin to limit microbial growth. If you use sodium azide as a microbial inhibitor, it must be completely removed prior to the Click-iT reaction.
Can I combine Click-iT or Click-iT Plus reactions with phalloidin conjugates used for actin staining?
We do not recommend using phalloidin conjugates for staining actin in combination with traditional Click-iT or Click-iT Plus reactions since phalloidin is extremely sensitive to the presence of copper.
For staining actin in combination with traditional Click-iT or Click-iT Plus reactions, we recommend using anti-α-actin antibodies for staining actin in the cytoskeleton. You can find a list of our actin antibodies here.
Another option would be to use the Click-iT Plus Alexa Fluor Picolyl Azide Toolkit (Cat. Nos. C10641, C10642, C10643). These Click-iT Plus toolkits provide Copper and Copper protectant separately which makes it easier to titrate the copper concentration to obtain optimal labeling with minimal copper-mediated damage. You may need to optimize the click reaction with the lowest possible concentration of copper and then perform the phalloidin staining.
Accumulation of CD11b+ lung dendritic cells in response to fungal infection results from the CCR2-mediated recruitment and differentiation of Ly-6Chigh monocytes.
'Pulmonary clearance of the encapsulated yeast Cryptococcus neoformans is associated with the CCR2-mediated accumulation of lung dendritic cells (DC) and the development of a T1 adaptive immune response. The objective of this study was to identify the circulating DC precursor(s) responsible for this large increase in lung DC numbers. An ... More
Enhanced expression of fibroblast growth factor receptor 2 IIIc promotes human pancreatic cancer cell proliferation.
Authors:Ishiwata T, Matsuda Y, Yamamoto T, Uchida E, Korc M, Naito Z,
Journal:Am J Pathol
PubMed ID:22440254
'In pancreatic ductal adenocarcinoma (PDAC), the fibroblast growth factor receptor 1 (FGFR-1) IIIb isoform correlates with the inhibition of cancer cell proliferation, migration, and invasion, whereas FGFR-1 IIIc enhances cancer cell proliferation. The FGFR-2 IIIb isoform is expressed in PDAC, and its expression correlates with increased venous invasion. We examined ... More
Loss of epidermal Evi/Wls results in a phenotype resembling psoriasiform dermatitis.
Authors:Augustin I, Gross J, Baumann D, Korn C, Kerr G, Grigoryan T, Mauch C, Birchmeier W, Boutros M,
Journal:
PubMed ID:23918954
Cells of the epidermis renew constantly from germinal layer stem cells. Although epithelial cell differentiation has been studied in great detail and the role of Wnt signaling in this process is well described, the contribution of epidermal Wnt secretion in epithelial cell homeostasis remains poorly understood. To analyze the role ... More
IL-7 abrogates suppressive activity of human CD4+CD25+FOXP3+ regulatory T cells and allows expansion of alloreactive and autoreactive T cells.
Authors:Heninger AK, Theil A, Wilhelm C, Petzold C, Huebel N, Kretschmer K, Bonifacio E, Monti P,
Journal:J Immunol
PubMed ID:23129754
CD4(+)CD25(+)FOXP3(+) regulatory T cells (Tregs) control the activation and expansion of alloreactive and autoreactive T cell clones. Because uncontrolled activation and expansion of autoreactive T cells occur in an IL-7-rich environment, we explored the possibility that IL-7 may affect the function of Treg. We show that the functional high-affinity IL-7R ... More
13q14 deletions in CLL involve cooperating tumor suppressors.
Authors:Palamarchuk A, Efanov A, Nazaryan N, Santanam U, Alder H, Rassenti L, Kipps T, Croce CM, Pekarsky Y,
Journal:Blood
PubMed ID:20071661
B-cell chronic lymphocytic leukemia (CLL) is the most common human leukemia. 13q14 deletions are most common chromosomal alterations in CLL. We previously reported that miR-15/16 is a target of 13q14 deletions and plays a tumor suppressor role by targeting BCL2. Because DLEU7 is located near miR-15/16 and is also positioned ... More