Label IT® siRNA Tracker Intracellular Localization Kits

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Description

CAT#	PRODUCT	SIZE	STORAGE	소비자가	주문
MIR 7217	Label IT® siRNA Tracker Intracellular Localization Kit, Biotin Labeling	labels 50 µg siRNA	-20°C	-	로그인
MIR 7214	Label IT® siRNA Tracker Intracellular Localization Kit, CX-Rhodamine	labels 50 µg siRNA	-20°C	-	로그인
MIR 7212	Label IT® siRNA Tracker Intracellular Localization Kit, Cy®3	labels 50 µg siRNA	-20°C	-	로그인
MIR 7213	Label IT® siRNA Tracker Intracellular Localization Kit, Cy®5	labels 50 µg siRNA	-20°C	-	로그인
MIR 7216	Label IT® siRNA Tracker Intracellular Localization Kit, Fluorescein	labels 50 µg siRNA	-20°C	-	로그인
MIR 7215	Label IT® siRNA Tracker Intracellular Localization Kit, TM-Rhodamine	labels 50 µg siRNA	-20°C	-	로그인
				-	로그인

Label IT® siRNA Tracker Intracellular Localization Kits

Efficient, direct labeling for in vitro and in vivo tracking of siRNA

* Versatile Labeling - Efficiently label and visualize the siRNA of your choice.

* One-step Chemical Method - Easily and consistently control the labeling reactions and labeling density.

* High Efficiency Labeling - Optimal visualization of siRNA in cells and tissues.

Kit Components:
Each Kit contains Label IT® siRNA Tracker Reagent, Label IT® Reconstitution Solution, 10X Labeling Buffer A, and siRNA Dilution Buffer.

For more information on siRNA delivery in vivo , see the following references:
Lewis et al (2002) Nature Genetics 32: 107-107.
Zhang et al (1999) Human Gene Therapy 10: 1735-1737.
Liu et al (1999) Gene Therapy 6: 1258-1266.
Hagstrom et al (2004) Molecular Therapy 10: 386-398.

Figure 1. The Label IT® siRNA Tracker Kits. The Label IT® siRNA Tracker labeling reagents are composed of three regions: the label (a fluorophore or biotin) (green), the linker (yellow) which facilitates electrostatic interactions with the siRNA and miRNA and the reactive alkylating group (blue) that covalently attaches the Label IT® reagents to any reactive heteroatom within the siRNA or miRNA. Attachment of the Label IT® Reagent to siRNA or miRNA is optimized and does not alter their structure or affect downstream target knockdown performance. The labeled siRNAs or miRNAs can be both visualized after transfection by fluorescence microscopy and simultaneously employed to knockdown target gene expression.

Figure 2. Successful Delivery and Functional Knockdown using Labeled siRNA. (A) HeLa cells in 12-well plates were transfected at 70% confluence with TransIT-TKO® Transfection Reagent (3 μl/well) and 50 nm/well of Label IT® siRNA Tracker Fluorescein-labeled siRNA duplexes (GREEN). The cells were incubated 24 hours post-transfection then fixed and counterstained with TO-PRO®-3 (nuclei, BLUE) and Alexa Fluor® 546 Phalloidin (actin, RED). Confocal images were acquired on a Zeiss LSM 510 Confocal Microscope. (B) TransIT-TKO® Transfection Reagent was used to transfect anti-firefly luciferase siRNA into CHO-Luc cells stably expressing firefly luciferase. The siRNA was either unlabeled or labeled with Label IT® siRNA Tracker Cy®3, Cy®5, Fluorescein, or CX-Rhodamine Reagents. Bars indicate the percent firefly luciferase expression 24 hours after delivery of 5 nM anti-firefly luciferase mRNA.

Figure 3. Delivery of Labeled siRNA to Mouse Liver. (A) siRNA (25 µg) was labeled with Label IT® siRNA Tracker Cy®3 Kit and delivered to mice through the tail vein using either low volume injection conditions (100 µl) hydrodynamic injection conditions (2 ml over 6-8 seconds). (B) Mouse livers were harvested 30 minutes after injection, fixed in paraformaldehyde, sectioned (10 µm thick) and analyzed. A representative hepatocyte (h) and sinusoid (s) are indicated in each panel. The hydrodynamic injection of siRNA results in siRNA uptake by the majority of the hepatocytes in the liver.

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