About Genya Gorshtein

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So far Genya Gorshtein has created 42 blog entries.

December 2024

B Cells and Their Antibodies

2024-12-10T10:11:07-05:00December 9th, 2024|Articles|

Written by: Genya Gorshtein, MSc Published: December 12, 2024 Contents Introduction B Cells and Their Receptors Antibodies in Serum How Do You Discover Antibodies From Serum? Introduction While B cells play a crucial role in recognizing antigens and initiating immune responses, their differentiation into [...]

B Cell Sequencing and Polyclonal Sequencing Explained

2024-12-09T17:57:13-05:00December 9th, 2024|Articles|

Written by: Genya Gorshtein, MSc Published: December 12, 2024 Contents Introduction BCR and Single B Cell Sequencing for Antibody Discovery Antibody Discovery through De Novo Sequencing of Serum Antibodies Proteogenomics: A Complimentary Approach Antibody Discovery With Rapid Novor Introduction B cell sequencing has long [...]

November 2024

October 2024

Comparing Epitope Mapping Methods

2024-10-25T12:53:30-04:00October 16th, 2024|Articles|

Written by: Genya Gorshtein, MSc Published: October 16, 2024 Contents Introduction Epitope Mapping Methods Addressing the Limitations of HDX-MS for Epitope Mapping HDX-MS as a Stand Alone Method for Epitope Mapping Epitope Mapping with HDX-MS at Rapid Novor Introduction Understanding antibody-antigen interactions is critical for [...]

De Novo Antibody Sequencing Reveals Novel Functional and Neutralizing Antibodies Post-SARS-CoV-2 Vaccination

2024-10-11T10:03:08-04:00October 11th, 2024|News|

Rapid Novor Inc., the world's leader in mass spectrometry (MS)-based antibody sequencing, published a peer-reviewed research article where REpAb® antibody discovery platform was used to sequence a complex mixture of functional antibodies directly from the serum of a human patient after receiving a COVID-19 vaccine. Titled “De Novo Protein Sequencing of Antibodies for Identification [...]

Trick or Treat: Unmasking Antibody Reproducibility in Life Sciences

2024-12-16T17:29:22-05:00October 1st, 2024|Webinars|

In this webinar, you will learn: How mAb irreproducibility could unknowingly impact your research outcomes Proven strategies to mitigate reproducibility risks when using research reagents The role of antibody sequencing in ensuring reproducibility with mAbs Rapid, cost-effective sequence confirmation for routine applications The next frontier: polyclonal antibody sequencing and recombinant pAbs [...]

August 2024

Best Hosts for Antibody Discovery and Generation

2024-12-03T14:47:53-05:00August 23rd, 2024|Articles|

Written by: Genya Gorshtein, MSc Published: August 26, 2024 Contents Introduction Advantages of Antibody Discovery In Diverse Species Unique Features of Antibodies from Diverse Hosts Antibody Discovery Platforms for Diverse Hosts Introduction The historical use of mice for monoclonal antibody generation has been driven [...]

Sequence Variant Analysis of Monoclonal Antibodies

2024-08-09T14:29:53-04:00August 9th, 2024|Articles|

Written by: Genya Gorshtein, MSc Published: August 8, 2024 Contents Introduction What are Protein Sequence Variants Impact of Sequence Variants on Monoclonal Antibodies Challenges in Sequence Variant Analysis and Detection Sequence Variant Analysis Service Introduction Sequence variants are unwanted impurities in antibody and biotherapeutic [...]

Interview with Dr. Thierry Le Bihan, Principal Scientist in Polyclonal Antibody Sequencing

2024-12-02T13:42:20-05:00August 1st, 2024|Articles|

Principal Scientist in Polyclonal Antibody Sequencing Dr. Thierry Le Bihan joined Rapid Novor as a Principal Scientist in 2018, tasked with leading a multidisciplinary team to develop a polyclonal antibody sequencing platform. Thierry brought extensive proteomics and mass spectrometry expertise from his previous roles as Director of Proteomics at The Campbell Family Institute [...]

July 2024

Antibody Discovery in Humans – Starting with Functional, Circulating Antibodies

2024-12-03T12:38:28-05:00July 23rd, 2024|Webinars|

This paper is now published in Nature Communications! Le Bihan, T., Nunez de Villavicencio Diaz, T., Reitzel, C. et al. De novo protein sequencing of antibodies for identification of neutralizing antibodies in human plasma post SARS-CoV-2 vaccination. Nat Commun 15, 8790 (2024). https://doi.org/10.1038/s41467-024-53105-8 In this webinar, you will: Explore how using a [...]

June 2024

Epitope Mapping: Alanine Scanning Mutagenesis vs. HDX-MS

2024-06-10T13:42:22-04:00June 10th, 2024|Articles|

Written by: Genya Gorshtein, MSc Published: June 10, 2024 Contents Introduction Alanine Scanning Mutagenesis Epitope Mapping HDX-MS Epitope Mapping Antibody Epitope Mapping Services Introduction Epitope mapping elucidates the antibody function by identifying specific binding sites on the antigen that interact with the antibody. Alanine [...]

Integrating AI and HDX-MS for Antibody Epitope Mapping

2024-08-07T11:52:24-04:00June 5th, 2024|Webinars|

In this webinar, you will learn: How AI and HDX-MS are applied in screening, epitope mapping, and selecting neutralizing antibodies against SARS-Cov-2. The predictive capabilities of AI computational modeling and its validation and refinement by high-resolution HDX-MS. How the integration of AI with HDX-MS informs antibody characterization for the accelerated development of therapeutic [...]

May 2024

Rapid Novor Teams Up with PMCC to Evaluate EasyM™ for Multiple Myeloma Minimal Residual Disease Monitoring

2024-05-23T11:08:00-04:00May 22nd, 2024|News|

A Canadian Multiple Myeloma (MM) clinical trial sponsored by Rapid Novor, has enrolled its first patient. This is the first Canadian prospective clinical study aiming to evaluate the EasyM™ assay (mass spectrometry measurement of a myeloma biomarker) for disease response in newly diagnosed MM patients (NDMM) receiving standard of care treatment. A clinical [...]

Ask Our Experts: Navigating Antibody Characterization through LC-MS

2024-07-12T09:51:00-04:00May 1st, 2024|Webinars|

In this webinar, you will… Learn the details of LC-MS based antibody characterization in early discovery and production pipelines Explore in-depth the analytical methodologies and strategies essential for comprehensive antibody characterization, covering post-translational modifications, glycan profiles, peptide mapping, and disulfide linkages Ask your burning questions and get expert guidance on navigating antibody [...]

April 2024

The Landscape of Bispecific and Multispecific Antibodies

2024-12-02T13:58:26-05:00April 19th, 2024|Articles|

Written by: Genya Gorshtein, MSc Published: April 19, 2024 Contents Introduction Bispecifics and Multispecific Antibody Formats Mechanism of Action of Bispecific Antibodies Bispecific and Multispecific Development with Rapid Novor Introduction The complex nature of diseases often limits the therapeutic efficacy of monovalent antibodies. To [...]

March 2024

Rapid Novor and MAbSilico Partner for World’s First AI-Guided Epitope Mapping Service for Antibodies

2024-03-15T11:58:37-04:00March 13th, 2024|News|

Rapid Novor Inc and MAbSilico announced that they have partnered to provide the world’s first AI-driven HDX-MS epitope mapping service for antibody development. By seamlessly integrating experimental data from HDX-MS with predictive analytics derived from AI-driven computational modeling, researchers can gain a comprehensive understanding of antibody structure, dynamics, and interactions with unparalleled precision and [...]

January 2024

Modifying Antibody Functions Through Glycan Engineering

2024-06-13T16:39:42-04:00January 8th, 2024|Articles|

Written by: Genya Gorshtein, MSc Published: January 8, 2024 Contents Introduction Glycoengineering of Therapeutic mAbs Glycoengineering Methods Informed Glycan Engineering through LC-MS Glycan Analysis Introduction Glycosylation plays a crucial role in antibody functions, influencing protein folding, trafficking, stability, and half-life. While the glycosylated residue [...]

October 2023

The Basics of Protein and Antibody Glycosylation

2024-06-13T16:40:40-04:00October 20th, 2023|Articles|

Written by: Genya Gorshtein, MSc Published: October 18, 2023 Contents Introduction Types of Glycans How are Proteins Glycosylated? Why are Proteins Glycosylated? Protein Glycosylation in the Immune System Importance of Understanding Glycan Profiles of Proteins Discover Glycan Sites and Profiles with Rapid Novor Introduction [...]

New Antibody Characterization Essentials from Discovery to Clinic

2024-04-24T10:34:49-04:00October 4th, 2023|Webinars|

In this webinar, you will learn: Workflows for antibody characterization that extend beyond the primary amino acid sequence How to leverage HDX-MS for epitope mapping and SPR for binding kinetics to understand the mechanism of action and maximize the effectiveness of your characterization efforts How to ensure high-quality antibody production with [...]

September 2023

Antibody Developability: Sequence and Structure Impacts Antibody Aggregation

2024-11-27T15:57:33-05:00September 12th, 2023|Articles|

Written by: Genya Gorshtein, MSc Published: September 12, 2023 Contents Introduction Mechanisms That Influence Protein Aggregation and Stability Sequence and Structural Characteristics That Impact Antibody Aggregation and Stability Engineered Antibody Formats Influence Protein Aggregation Strategies to Reduce Antibody Aggregation Propensity Improving Antibody Developability with Next Generation Protein Sequencing and Proteomics [...]

August 2023

July 2023

Primary and Secondary Antibodies in Immunoassays

2024-12-03T13:53:16-05:00July 7th, 2023|Articles|

Written by: Genya Gorshtein, MSc Published: June 13, 2023 Contents Introduction How do Primary and Secondary Antibodies Work? How are Primary and Secondary Antibodies Generated? Selecting Primary and Secondary Antibodies for Immunoassays Developing Reliable Reagents for Immunoassays with Rapid Novor Introduction Immunoassays have a [...]

June 2023

Tackling Reproducibility in Life Sciences with Protein Sequencing

2024-12-03T13:54:53-05:00June 2nd, 2023|Articles|

Written by: Genya Gorshtein, MSc Published: May 9, 2023 Contents Introduction Hybridoma Instability Leads to mAb Irreproducibility Batch-to-Batch Variation in Polyclonal Antibodies Antibody Sequencing and Recombinant Expression Ensures Reproducible Antibody Reagents Generating Reproducible Reagents with Rapid Novor Introduction Antibodies (Abs) are indispensable tools in [...]

May 2023

Secure Full Antibody and Target IP Protection with Next Generation Protein Sequencing

2024-04-01T15:46:27-04:00May 3rd, 2023|Articles|

Written by: Genya Gorshtein, MSc Published: April 21, 2023 Contents Introduction Target Specification for First Generation Antibodies Patent Strategies for Second-Generation Antibodies Next Generation Protein Sequencing and Proteomics Strengthens IP Protections Introduction Intellectual property (IP) protection is a critical step during the commercialization of antibodies [...]

February 2023

Therapeutic Antibody Discovery: From Target to Candidate

2024-12-03T13:57:42-05:00February 24th, 2023|Articles|

Written by: Genya Gorshtein, MSc Published: February 17, 2023 Contents The Drug Development Pathway Target Discovery and Validation Antibody Discovery Characterization and Lead Selection Engineering and Optimization Candidate Selection Therapeutic Antibody Discovery with Rapid Novor The Drug Development Pathway The four phases in the drug [...]

January 2023

Antibody Affinity and Avidity – The Strength of a Single Interaction Versus a Multivalent Interaction

2024-05-06T15:51:53-04:00January 9th, 2023|Articles|

Written by: Genya Gorshtein, MSc Published: January 6, 2023 Contents Introduction What is Affinity? What is Avidity? Measuring Affinity and Avidity: ELISA or SPR? Measuring Affinity And Avidity For Biological Applications Affinity and Avidity Analysis via SPR with Rapid Novor Introduction Kinetics of antibody-antigen interactions [...]

December 2022

The Hunt for Novel Therapeutics Through Antibody Engineering

2023-06-21T10:25:09-04:00December 2nd, 2022|Articles|

Written by: Genya Gorshtein, MSc Published: November 1, 2022 Contents Introduction Approaches for Engineering Antibody Therapeutics Driving Antibody Engineering with Next Generation Protein Sequencing and Proteomics Introduction Antibody engineering encompasses various development, production strategies, and modification techniques to improve the biological properties of monoclonal antibodies (mAbs) [...]

Cell Specific Protein Degradation with Antibody Conjugated PROTACs

2023-05-25T10:29:24-04:00December 2nd, 2022|Articles|

Written by: Genya Gorshtein, MSc Published: November 25, 2022 Contents Introduction General PROTAC Structure and Function Antibody-Conjugated PROTACs Developing AbPROTACs with De Novo Antibody Sequencing and Proteomics Introduction Small-molecule drug development is aimed at inhibiting disease-promoting protein function through occupancy-driven protein inhibition. A major caveat of [...]

September 2022

Antibody-Drug Conjugates as Anti-Cancer Therapeutics

2024-01-22T13:13:13-05:00September 19th, 2022|Articles|

Written by: Genya Gorshtein, MSc Published: September 14, 2022 Contents Introduction ADCs as Novel Anti-Cancer Chemotherapeutics Key Components of ADCs Future Generation of ADCs De Novo Protein Sequencing Applications in ADC Development Introduction An antibody-drug conjugate (ADC) is a monoclonal antibody (mAb) with a covalently attached [...]

August 2022

What Generates Antibody Diversity?

2024-05-06T12:14:01-04:00August 31st, 2022|Articles|

Written by Genya Gorshtein, MSc Updated: January 27, 2023 (Published: August 31, 2022) Contents How is Antibody Diversity Generated? Which Steps Contribute to the Generation of Antibody Diversity? Antibody Loci and V(D)J Recombination Somatic Hypermutation Class Switch Recombination De Novo Proteomic Sequencing of Antibodies How is Antibody [...]

What are Polyclonal Antibodies?

2023-05-25T10:36:53-04:00August 18th, 2022|Articles|

Written by: Genya Gorshtein, MSc Published: August 18, 2022 Contents Introduction How are Polyclonal Antibodies Produced? Applications of Polyclonal Antibodies Challenges of Polyclonal Antibodies De Novo Polyclonal Antibody Sequencing Introduction Polyclonal antibodies (pAbs) are a heterogeneous mix of antibodies derived from B cells in the [...]

Structure and Function of Antibodies

2024-12-03T10:39:01-05:00August 10th, 2022|Articles|

Written by Genya Gorshtein, MSc August 10, 2022 Contents General Structure of Antibodies Fab and Fc Fragments Hinge Region CDR and FR Regions Antibody Structure Analysis Services General Structure of Antibodies Antibodies or immunoglobulins (Ig) maintain a common quaternary structure consisting of two identical heavy chains (HCs) and [...]