SKU: 40659614771

Alexa Fluor® 488 Mouse Anti-Rat CD45RA Antibody (S-R629)

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Description

Alexa Fluor® 488 Mouse Anti-Rat CD45RA Antibody (S-R629)Product Specification Host Mouse Antigen CD45RA Synonyms Leukocyte common antigen; high molecular weight form Location Cell membrane Accession 24699 Clone Number S R629 Antibody Type Mouse mAb Isotype IgG1,k Application FCM Reactivity Rt Positive Sample SD Rat splenocytes Purification Protein G Concentration 0. 2 mg ml Conjugation Alexa Fluor 488 Physical Appearance Liquid Storage Buffer PBS, 1% BSA, 0. 3% Proclin 300 Stability & Storage 12 months

Product Specification


Host Mouse
Antigen CD45RA
Synonyms Leukocyte common antigen; high molecular weight form
Location Cell membrane
Accession 24699
Clone Number S-R629
Antibody Type Mouse mAb
Isotype IgG1,k
Application FCM
Reactivity Rt
Positive Sample SD Rat splenocytes
Purification Protein G
Concentration 0.2 mg/ml
Conjugation Alexa Fluor® 488
Physical Appearance Liquid
Storage Buffer

PBS, 1% BSA, 0.3% Proclin 300

Stability & Storage

12 months from date of receipt / reconstitution, 2 to 8 °C as supplied

Dilution


application dilution species
FCM 1.25μl per million cells in 100μl volume Rt

Background

CD45RA protein is a specific isoform of the CD45 receptor, also known as protein tyrosine phosphatase receptor type C (PTPRC), which is generated through alternative splicing of the CD45 gene. It is a marker for naive T cells and central memory T cells (TCM), characterized by the presence of exon 4 (A) but the absence of exons 5 (B) and 6 (C) in its mRNA. CD45RA is expressed on the surface of nucleated hematopoietic cells, including B cells, NK cells, naive/resting T cells, medullary thymocytes, and plasmacytoid dendritic cells. It plays a crucial role in the immune system by modulating T cell receptor (TCR) and B cell receptor (BCR) signaling pathways, facilitating the activation and proliferation of immune cells. In adults, CD45RA+ cells may help prevent autoimmune diseases, while reduced numbers of CD45RA+ CD4+ T cells have been associated with conditions such as biliary atresia, primary biliary cirrhosis, fetal distress, and preeclampsia. Pathologists use CD45RA to differentiate naive T cells (CD45RA+) from memory T cells (CD45RO+), although this distinction may not be applicable in adult allogeneic hematopoietic cell transplant recipients.

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SKU: 40659614771

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4.8 ★★★★★
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Stacie
Houston, US
★★★★★ 5
Great for large chewers
Color: Rubber Chew Toy, Size: Large
Our dogs very favorite toy. I have bought several in all colors. Good quality and it lasted a while even with my strong dogs.
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Reviewed in the United States on April 22, 2026
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cassie
Belleville, US
★★★★★ 5
Hard chewer pass!
Color: Rubber Chew Toy, Size: Large
Our dogs love these! They are hard chewers and am impressed they last a decent while. Good for the price!
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Reviewed in the United States on April 20, 2026
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Today
Grantham, US
★★★★★ 5
Airedale tough!
Color: Rubber Chew Toy, Size: Large
We have two young Airedale Terriers and I thought this would be a good inside toy for them to tug. And I was right! Very happily so. I have to admit I was surprised when I first saw it; it seemed so small. But the thing stretches and springs back to shape. We’ve had it about 2 weeks now and it is constantly played with. Absolutely the best toy! Very interactive either alone (it rolls) or with us or they play together. I am surprised how tough it is with all the constant rough play. Highly recommend!!!
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Reviewed in the United States on May 12, 2022
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Verified Purchase
Julie
Lexington, US
★★★★★ 4
Small, but twisty and fun looking. Seems relatively sturdy, though doesn't look indestructible at all.
Color: Rubber Chew Toy, Size: Large
SLIGHTLY disappointed because I thought this was bigger than it is. If you squish it all in close, it's maybe one and a half times the size of a tennis ball. (Of course, the size is probably listed; I think I just assumed, so my fault.) That being said, it's entertainingly twisty and squishy, though the rubber seems relatively sturdy. I'm not yet positive if it will hold up to the 8 month retriever/lab mix it's intended for; he tends to rip instantly through anything much less sturdy than kong natural rubber. But it seems like something that will amuse him, so we're going to give it a shot at Christmas.
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Reviewed in the United States on November 7, 2014
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Kindle Customer
Lake Worth, US
★★★★★ 5
Great product!
Color: Rubber Chew Toy, Size: Large
My dog is an aggressive chewer. I have bought this 3 times for her she loves to play tug and fetch with it. They last longer than most of the other toys I get her and it’s one of her favorites.
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Reviewed in the United States on January 1, 2025

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