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Rules for Selection of Fluorochromes in Multicolor ICC/IF

Article Review: Effects of the administration of high-dose interleukin-2 on immunoregulatory cell subsets in patients with advanced melanoma and renal cell cancer

The immune system is composed of a portion of T cells that express an invariant T cell receptor (TCR) alpha chain known as V alpha 24 J alpha 18. These highly conserved populations are referred to as iNKT populations and have the ability to rapidly produce cytokines following activation, making them hot targets for therapeutic research initiatives.

Article Review: Dual effects of carbon monoxide on pericytes and neurogenesis in traumatic brain injury

Traumatic brain injury (TBI) currently contributes to nearly 30% of all injury deaths in the United States.  Characterized by an abrasive head injury that interrupts normal brain function, TBI can range from mild to severe.  Mild symptoms can present themselves as excessive tiredness, difficulty concentrating and lack of clear thinking.  Severe cases of TBI are hallmarked by unusual behavior, seizures and loss of consciousness.  Research has shown that on a molecular level TBI triggers various mechanisms of cell death alongside attempted tissue recovery, therefore Choi et al sought

Recent advances in CRISPR-Cas9

The CRISPR-Cas9 genome-engineering tool is a powerful opportunity for researchers to study individual gene function. CRISPR-Cas9, abbreviated for Clustered Regularly Interspaced Short Palindromic Repeats, is a bacterial defense system that can be reprogrammed to target specific areas of DNA followed by precise editing.  Essentially, CRISPR sequences are transcribed into short RNA sequences that will match the desired DNA sequence of interest.

Pathway Highlight: Three key factors that contribute to cellular heterogeneity in apoptosis

Have you ever wondered why cells in the same population respond differently to an apoptotic stimulus? Apoptosis, a form of programmed cell death, is vital for the removal of unwanted or damaged cells. As with most cellular processes, too much or too little activation can be detrimental and lead to various diseases including autoimmune disorders and cancer.

Why do counterstaining in ICC/IF and how?

Why: To identify a specific organelle or another cellular structure and to mark individual cells, it is necessary to counterstain them in immunocytochemistry/immunofluorescence (ICC/IF) assays.

The role of MHC Class II RT1B and immune response post brain injury

The major histocompatibility complex (MHC) is responsible for binding peptide fragments arising from pathogens in order to display them on the cell surface for recognition from immune cells.  Once recognized, the foreign pathogen is typically evaded. The MHC complex is broken into two categories, MHC Class I proteins and MHC Class II proteins.  MHC complex I and II proteins are all very different and contain specific molecules to bind different peptides – in fact, they have been described as the most polymorphic genes there are.

Novus Marches for Science!

Novus employees will be participating in the March for Science alongside a global network of scientists to support the education and public importance of this topic for all.

We believe in the integrity of science and all that it holds for the future. Everyone is affected by it, and we believe in sharing this information with the public, outside of labs and journals.

Join us on April 22, 2017 at the March in D.C. or at your local satellite event. #BioTechneMarches

We will be marching in our Bio-Techne communities:

The role of c-Fos in the regulation of the JC virus gene transcription

c-Fos is a member of the AP-1 transcription factor family under the Fos protein family umbrella, alongside Fra-1, Fra-2 and Fos-B.  Also in the AP-1 transcription family are the Jun proteins, c-Jun, Jun-B and Jun-D.  Each member of the AP-1 transcription family is a phosphonuclear protein composed of a carboxy-terminal leucine zipper domai

The advantages and applications of using tissue microarrays

A tissue microarray is a fairly recent high-throughput application that allows researchers to test hundreds of tissue samples with antibodies of their choice at once.  Essentially, a tissue microarray is a paraffin block that is produced by a composition of tissue cores from paraffin donor blocks within defined coordinates to account for a variety of tissue types.

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