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Exploring Single-Dose Immunogene Therapy for Cancer Treatment

Immunogene therapy is a combination of two different treatment methods: gene therapy and immunotherapy. In immunogene therapy, a protein/antibody, gene, or nucleic acid molecule is

Immunogenicity Assays for Adeno-Associated Virus (AAV)-Based Gene Therapy

Immunogenicity assays are designed to determine the immune response to biotherapeutics such as protein, peptide, antibody, oligonucleotide or DNA/RNA-based drugs and its clinical impact. In

Astrocyte Infections and Long-COVID Symptoms

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has affected hundreds of millions of individuals worldwide, disrupting public health and the economy. Post-COVID (or Long-COVID), the

New Insights into Omicron BA.5 Subvariant

As new cases of COVID-19 soar, experts warn about the newly emerged COVID subvariant BA.5, a sub-lineage of BA.2. Subvariants of Omicron BA.1 emerged in

Comprehensive Guide to Potency Assay for Drug Lot Release

Why have Lot Release Potency Testing? The US FDA requires that manufactured drug lots pass critical analysis before release by the manufacturer for clinical use.

Ensuring Drug Stability with Potency Bioassays

Why Do STABILITY Studies / Testing? Stability studies are performed to ensure that pharmaceutical products will be at the acceptable level of quality throughout the

Insights into COVID-19 Vaccine Antibody Production

Now that Christmas and many other celebrations gather people around a table, it is important to know about the risks we take and the science

Monoclonal Therapies in High Demand for Severe COVID-19

Regeneron’s antibody cocktail for treatment of COVID-19 infection (REGEN-COV, comprised of monoclonals casirivimab and imdevimab) was approved by the FDA in October 2020 for mild-to-moderate

Delta Variant’s Emergence and Vaccine Effectiveness

In a classic case of Darwinian selection, the successful Delta variant (B.1.617.2) has largely displaced all other forms of the coronavirus underlying the ongoing global

Strategies for Generating Stable Cell Lines for Producing Therapeutic Antibodies

Recombinant Monoclonal Antibodies for Therapeutic Use Recombinant monoclonal antibodies are one of the most promising drugs (immunotherapy) for human diseases, including infectious diseases, cancer, and

Protection Offered by COVID-19 Vaccines Against Variants

Efficacy of mRNA vaccines on SARS-CoV-2 variants (UK and South Africa) Detection of mutations arising in the genome of the SARS-CoV-2 virus responsible for COVID-19

Breakthrough in MS Treatment with mRNA Vaccine

Potential Multiple Sclerosis mRNA Vaccine BioNTech in Germany is one of two companies (the other being Moderna in the US) that have successfully developed mRNA

Different Mechanisms of Coronavirus Vaccines

Different types of vaccines work in different ways to offer protection, but with all types of vaccines, the body is left with a supply of

Factors Contributing to SARS-CoV-2 Virulence

SARS-CoV-2 is more virulent than SARS-CoV (identified in 2003), because it binds to host cells with greater affinity, and more recently (see below) uses another

Why Not Just Buy a Kit?

Some kits are suitable, but will they fit your purpose? Should you use a kit for an ELISA, cell based assay, and enzyme assay or even

Multiplex Cytokine Measurement Analysis

Cytokines​ are a broad and loose category of small ​proteins​ ​(5-20 kDa molecular weight) ​important in ​cell signaling​, particularly in the regulation of immune system

Adaptive Immunity Against Viral Threats

Innate Immunity and Adaptive Immunity Innate immunity is the initial immune response to infectious agents, carried out mainly by​ granulocytes and macrophages. These include a variety

Decoding Immune Mechanisms to Viral Infections

T Cell and Innate Immune Responses to Viral Infection – Implications for the Pandemic While much of the focus on treating COVID-19 and preventing its

Strategies for SARS-CoV-2 Vaccines

Vaccine development is protracted and risky. On average, vaccines take more than 10 years to move from the preclinical phase to approval, and the probability

Current Progress of COVID-19 Vaccines in Trials

The unprecedented scale of scientific effort being applied to countering the pandemic is already beginning to bear fruit. Current estimates of the infection fatality rate

WHY DO YOU NEED PCR & QPCR

With the discovery of DNA polymerase in 1956, an enzyme that replicates DNA, a new world of science was opened. The next big discovery in 1970 was Reverse Transcriptase (RT)

Advanced Techniques for SARS-Cov-2 Antibody Detection

There are two principal immunological test formats used to check for the presence of anti-SARS-CoV-2 antibodies in blood as evidence of a previous COVID-19 infection.

Effective COVID-19 Antibody Testing Methods

Two types of COVID-19 tests There are two types of tests being conducted in addressing the COVID-19 disease pandemic. The more commonly administered test is

Comprehensive Breakdown of FDA Approval Stages for Pharmaceuticals

HISTORY OF INITIATING THE FDA Early drug development in Europe rested with the people who tanned hides. They tasted their chemicals and sometimes treated malady’s

Why Do You Need PCR & QPCR

BACKGROUND: With the discovery of DNA polymerase in 1956, an enzyme that replicates DNA, a new world of science was opened. The next big discovery

Understanding How COVID-19 Causes Disease and Mortality

The diagram above represents the infiltration from the blood vessels of the immune cells (see below) into the lung alveoli sack with a cytokine storm

Advanced ELISA Techniques for High-Sensitivity Protein Detection

ELISA is a quantitative and ultra-sensitive plate-based assay designed to detect and quantify substances such as antibodies, hormones, proteins (e.g. cytokines) and peptides, receptors on cells

Advanced Flow Cytometry for T and B Lymphocytes

Flow cytometry can differentiate different cell populations based on cell size by forward and side scatter measurements. Specific cell types are also be identified by

Optimizing Your Cell Based Assay Performance Key Strategies

Often times we get questions about cell based assays (bioassays) that seemed like they should have performed better than they did. Since we perform bioassays

Decoding Cell Death: Understanding Toxicity, Apoptosis, and Proliferation Inhibition

Cell death, overt death or inhibition of growth, occurs by several mechanisms, including necrosis and programmed cell death, most notably apoptosis. Necrosis is generally caused