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Discover how PEPperPRINT Peptide Microarray products have been used in different fields of research.

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A Quantum Vaccinomics Approach Based on Protein–Protein Interactions

Contreras, Marinela; Artigas-Jerónimo, Sara; Pastor Comín, Juan J.; de la Fuente, José
Jan 2022
10.1007/978-1-0716-1888-2_17
Vaccines are the most effective preventive intervention to reduce the impact of infectious diseases worldwide. In particular, tick-borne diseases represent a growing burden for human and animal health worldwide and vaccines are the most effective and environmentally sound approach for the control of vector infestations and pathogen transmission. However, the development of effective vaccines for the control of tick-borne diseases with combined vector-derived and pathogen-derived antigens is one of the limitations for the development of effective vaccine formulations. Quantum biology arise from findings suggesting that living cells operate under non-trivial features of quantum mechanics, which has been proposed to be involved in DNA mutation biological process. Then, the electronic structure of the molecular interactions behind peptide immunogenicity led to quantum immunology and based on the definition of the photon as a quantum of light, the immune protective epitopes were proposed as the immunological quantum. Recently, a quantum vaccinomics approach was proposed based on the characterization of the immunological quantum to further advance the design of more effective and safe vaccines. In this chapter, we describe methods of the quantum vaccinomics approach based on proteins with key functions in cell interactome and regulome of vector–host–pathogen interactions for the identification by yeast two-hybrid screen and the characterization by in vitro protein–protein interactions and musical scores of protein interacting domains, and the characterization of conserved protective epitopes in protein interacting domains. These results can then be used for the design and production of chimeric protective antigens.

Protein microarrays for COVID-19 research: Biomarker discovery, humoral response, and vaccine targets

Acharjee, Arup; Barpanda, Abhilash; Ren, Jing; Yu, Xiaobo
Jan 2022
10.1201/9781003220787-6
Of all the technological interventions used to probe the COVID-19 biological sample, microarrays have provided unique information about the biology of SARS-CoV-2 infection in the greatest of detail. Protein microarrays are available in various formats such as protein microarray, antibody microarray, and peptide microarrays. These provide an attractive format to study host response against infection, with its straightforward sample preparation strategy and easy result analysis pipelines. Microarray technology either uses antibodies against hundreds of proteins to study host proteins or scans immunogenic peptides of the pathogen in a microarray panel of the pathogen proteome. It can be used to study the humoral immune response against antigenic proteins of the SARS-CoV-2 virus, host proteomic alterations due to the infection. The SARS-CoV-2 peptide array can be used for the accurate detection of antigenic determinants for vaccine design. This chapter summarizes the different types of protein and peptide microarray and their use in COVID-19 biomarker discovery, disease management, vaccine design, etc., for better management of COVID-19.

Compounds and Methods Targeting Interleukin-19

Higgs Jr., Richard Earl; Konrad, Robert John; Nickoloff, Brian Jeffrey; Siegel II, Robert William; Mertz, Prema Maria
Nov 2020
The present invention provides compounds and methods targeting human interleukin-19, including therapeutic antibodies, pharmaceutical compositions and diagnostic applications useful in the field of immune-mediated diseases including psoriasis, atopic dermatitis, psoriatic arthritis, bronchial asthma and diabetic nephropathy.

Novel Anti-Cd40 Antibodies and Use Thereof

Park, Chung Gyu; Kim, Jung Sik; Lucas, Zachariah
Sep 2020
The present invention relates to novel anti-CD40 antibodies and a use thereof and, more specifically, provided are a pharmaceutical composition for treating or preventing autoimmune diseases and a composition for inhibiting immune rejection during organ transplantation, both compositions containing, as an active ingredient, novel anti-CD40 antibodies that specifically bind to a novel epitope of CD40. Novel anti-CD40 antibodies of the present invention directly target CD40, but not CD40 ligands, and block the signaling of CD40-CD154 without stimulating platelets so as to exhibit excellent antagonistic effects, thereby being expected to be usable as a preparation effective in the treatment of autoimmune diseases and the inhibition of organ transplantation rejection.

Plasmodium Falciparum and Plasmodium Vivax Vaccine

Werner, Ekkehard
Apr 2020
The present invention relates to a vaccine V comprising (A) at least one isolated polypeptide strand P comprising or consisting of at least nine consecutive amino acid moieties of the repetitive organellar protein, putative of Plasmodium falciparum or the hypothetical protein PVNG_04523 of Plasmodium vivax or a polynucleotide strand encoding for such polypeptide; and (B) at least one pharmaceutically acceptable carrier or excipient. Furthermore, the present invention refers to an antibody binding to the repetitive organellar protein,putative of Plasmodium falciparumor the hypothetical protein PVNG_04523 of Plasmodium vivax or a polynucleotide strand encoding therefor, to a method of generating such antibody and uses thereof.

Distinct early IgA profile may determine severity of COVID-19 symptoms: an immunological case series

Dahlke, Christine; Heidepriem, Jasmin; Kobbe, Robin; Santer, Rene; Koch, Till; Fathi, Anahita; Ly, My L.; Schmiedel, Stefan; Seeberger, Peter H.; ID-UKE COVID-19 study group; Addo, Marylyn M.; Loeffler, Felix F.
Apr 2020
10.1101/2020.04.14.20059733
SARS-CoV-2 is the causative agent of COVID-19 and is a severe threat to global health. Patients infected with SARS-CoV-2 show a wide range of symptoms and disease severity, while limited data is available on its immunogenicity. Here, the kinetics of the development of SARS-CoV-2-specific antibody responses in relation to clinical features and dynamics of specific B-cell populations are reported. Immunophenotyping of B cells was performed by flow cytometry with longitudinally collected PBMCs. In parallel, serum samples were analyzed for the presence of SARS-CoV-2-specific IgA, IgG, and IgM antibodies using whole proteome peptide microarrays. Soon after disease onset in a mild case, we observed an increased frequency of plasmablasts concomitantly with a strong SARS-CoV-2-specific IgA response. In contrast, a case with more severe progression showed a delayed, but eventually very strong and broad SARS-CoV-2-specific IgA response. This case study shows that determining SARS-CoV-2-specific antibody epitopes can be valuable to monitor the specificity and magnitude of the early B-cell response, which could guide the development of vaccine candidates. Follow-up studies are required to evaluate whether the kinetics and strength of the SARS-CoV-2-specific IgA response could be potential prognostic markers of viral control.

Plasmodium Sporozoite Npdp Peptides as Vaccine and Target Novel Malaria Vaccines and Antibodies Binding To

Lanzavecchia, Antonio; Tan, Joshua Hoong Yu; Daubenberger, Claudia; Sack, Brandon
Mar 2020
The present invention provides a fragment of piasmodium circumsporozoite protein according to SEQ ID NO: 1, for example for use in a malaria vaccine. The present invention also provides nucleic acids encoding a fragment of piasmodium circumsporozoite protein according to SEQ ID NO: 1, compositions comprising a fragment of piasmodium circumsporozoite protein according to SEQ ID NO: 1 and antibodies binding to a fragment of piasmodium circumsporozoite protein according to SEQ ID NO: 1. The antibodies according to the present invention bind specifically to P. falciparum sporozoites and may be used in the treatment and/or prevention of malaria.

IL-23-p19 vaccines

Staffler, Guenther; Winter, Dorian
Mar 2020
IL-23-p19 vaccines is an invention by Guenther Staffler, Vienna AUSTRIA. This patent application was filed with the USPTO on Friday, June 3, 2016

Genomics-Driven Immunoproteomics: An Integrative Platform to Uncover Important Biomarkers for Human Diseases

Giri, Raghavendra; Qendro, Veneta; Rani, Pooja; Jepchumba, Carren; Bugos, Grace; Stadler, Volker; Han, David K.
Jul 2019
10.1007/978-1-4939-9597-4_21
Genomics-driven immunoproteomics (GDI) is a platform that helps identify antigenic protein targets of mutations and other deoxyribonucleic acid (DNA) variations that are commonly associated with pathological states. This platform utilizes data generated from deep sequencing of exomic DNA or ribonucleic acid (RNA) as input to synthesize mutant peptides into microarrays, which then can be used to detect antigenic proteins that invoke immune response in patients. The technology has been used to detect antigenic targets of multiple sclerosis, an autoimmune disease [1], and cancer to identify mutant proteins that invoke immune response in breast cancer patients [2]. This technology has many potential applications to select genomic changes that are specifically recognized by the immune system in a rapid and efficient manner.

Methods of Selecting Binding Reagents

Mallick, Parag; Egertson, Jarrett
Feb 2019
Methods and systems are provided herein for selecting an affinity reagent which binds a desired peptide epitope in a plurality of sequence contexts. The method relies on obtaining a peptide library, each peptide having the sequence αΧβ, wherein X is the desired peptide epitope, wherein each of a and β comprise an amino acid, using the peptide library to select an affinity reagent.

Novel targets of acinetobacter baumannii

Urwyler, Simon; Haake, Markus; Rudolf, Michael
Jan 2019
The present invention provides antigenic polypeptides expressed during an infection by a pathogenic organism, such as Acinetobacter and compositions comprising these polypeptides. The invention further provides compositions for use in treating, preventing or detecting a bacterial infection, in particular vaccine compositions using the antigenic polypeptides. The invention further provides antibodies directed to said antigenic polypeptides.

Soybean Allergy Related Epitopes

Kern, Karolin; Spiegel, Holger; Havenith, Heide; Szardenings, Michael
Nov 2018
The invention relates to a compilation comprising at least five different peptides, each peptide comprising at least one sequence element corresponding to an epitope selected from the group consisting of SEQ ID NO.: 1-354, wherein at least five different epitopes are represented. The invention further relates to an in vitro method for determining a patient’s immune status to soybean allergens, to a method for detecting at least one soybean allergen in a substance and to a method for determining the allergenicity of a soybean variety. Additionally, the invention relates to a kit comprising at least one composition containing a compound comprising at least five different sequence elements each corresponding to an epitope selected from the group consisting of SEQ ID NO.: 1-354, wherein at least five different epitopes are represented. Furthermore, the invention relates to the use of a peptide comprising a sequence element corresponding to an epitope for providing a molecule binding to a protein or peptide comprising the epitope.

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