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Authors: Angel Justiz-Vaillant
Group: University of the West Indies, [email protected]
Summary: Interleukins (IL) are a type of cytokine first thought to be expressed by leukocytes alone but have later been found to be produced by many other body cells. They play essential roles in the activation and differentiation of immune cells, as well as proliferation, maturation, migration, and adhesion. They also have pro-inflammatory and anti-inflammatory properties. The primary function of interleukins is, therefore, to modulate growth, differentiation, and activation during inflammatory and immune responses. Interleukins consist of a large group of proteins that can elicit many reactions in cells and tissues by binding to high-affinity receptors in cell surfaces. Th2 lymphocytes synthesize IL-19 and acts on resident vascular cells in addition to immune cells. It is an anti-inflammatory molecule. It promotes immune responses mediated by regulatory lymphocytes and has substantial activity on microvascular.[1]Reference1. Justiz Vaillant AA, Qurie A. Interleukin. In:StatPearls. Treasure Island (FL): StatPearls Publishing; June 12, 2019.
Proper citation: Angel Justiz-Vaillant 2020. ELISA for quantification of IL-19 in human serum or plasma.. protocols.io dx.doi.org/10.17504/protocols.io.bkeqktdw Copy
Authors: Angel Justiz-Vaillant
Group: University of the West Indies, [email protected]
Proper citation: Angel Justiz-Vaillant 2020. Determination of C4 concentration by the Mancini test.. protocols.io dx.doi.org/10.17504/protocols.io.bj95kr86 Copy
Authors: Angel Justiz-Vaillant
Summary: This reagent can be used in ELISA, Western blotting and Dot blot to detect antigens and antibodies. It is important in the immunodiagnosis of infectious diseases and other problems. Protein L binds to kappa light chains of immunoglobulins from many animal species including human, mouse, rat, chicken, hamster and pig [1].1. Justiz-Vaillant AA, Akpaka PE, McFarlane-Anderson N, Smikle MF. Comparison of techniques of detecting immunoglobulin-binding protein reactivity to immunoglobulin produced by different avian and mammalian species.West Indian Med J. 2013;62(1):12-20.
Proper citation: Angel Justiz-Vaillant 2020. Preparation of horseradish peroxidate (HRP) conjugated Peptostreptococcal protein-L by the periodate method.. protocols.io dx.doi.org/10.17504/protocols.io.bjkkkkuw Copy
Authors: Angel Justiz-Vaillant
Group: University of the West Indies, [email protected]
Summary: A recombinant protein that combines the IgG-binding domains of SpA and SpG was developed, and labelled to horseradish peroxidase. It was used as universal conjugate in ELISA for the assessment of antibodies against Brucella spp in cattle, sheep, dogs, goats and pigs. It was reported that similar results as the one shown using the chimeric protein AG were obtained when murine monoclonal antibody-enzyme conjugates were used [1,2]. References1. Justiz-Vaillant AA, Akpaka PE, McFarlane-Anderson N, Smikle MF. Comparison of techniques of detecting immunoglobulin-binding protein reactivity to immunoglobulin produced by different avian and mammalian species.West Indian Med J. 2013;62(1):12-20.2. Justiz-Vaillant AA, McFarlane-Anderson N, and Smikle M. “Bacterial Immunoglobulin (Ig)-Receptors: Past and Present Perspectives.” American Journal of Microbiological Research, vol. 5, no. 2 (2017): 44-50. doi: 10.12691/ajmr-5-2-4.
Proper citation: Angel Justiz-Vaillant 2020. Preparation of a protein-AG conjugated to horseradish peroxidase by the periodate method.. protocols.io dx.doi.org/10.17504/protocols.io.bjk6kkze Copy
Authors: Angel Justiz-Vaillant
Group: University of the West Indies, [email protected]
Summary: This IgY purification technology can be used to purified IgY from the egg yolk of any bird as ducks, bantam hens, ostrich, chicken, pigeon, pheasant, quail, guinea hen, cattle egret and goose.
Proper citation: Angel Justiz-Vaillant 2020. Purification of the any avian IgY using chloroform, trichloroacetic acid and affinity purification using HiTrap™ Columns.. protocols.io dx.doi.org/10.17504/protocols.io.bjnskmee Copy
Authors: Angel Justiz-Vaillant, Belkis Ferrer-Cosme
Group: University of the West Indies, [email protected]
Proper citation: Angel Justiz-Vaillant, Belkis Ferrer-Cosme 2020. ELISA for quantification of human C6 in serum or plasma.. protocols.io dx.doi.org/10.17504/protocols.io.bj8bkrsn Copy
Authors: Angel Justiz-Vaillant
Group: University of the West Indies, [email protected]
Summary: Interleukins (IL) are a type of cytokine first thought to be expressed by leukocytes alone but have later been found to be produced by many other body cells. They play essential roles in the activation and differentiation of immune cells, as well as proliferation, maturation, migration, and adhesion. They also have pro-inflammatory and anti-inflammatory properties. The primary function of interleukins is, therefore, to modulate growth, differentiation, and activation during inflammatory and immune responses. Interleukins consist of a large group of proteins that can elicit many reactions in cells and tissues by binding to high-affinity receptors in cell surfaces. IL-37 plays an essential role in the regulation of the innate immunity causing immunosuppression. Phagocytes and organs including the uterus, testis, and thymus express it. IL-37 upregulates immune responses and inflammation in autoimmune disorders. [1]Reference1. Justiz Vaillant AA, Qurie A. Interleukin. In:StatPearls. Treasure Island (FL): StatPearls Publishing; June 12, 2019.
Proper citation: Angel Justiz-Vaillant 2020. ELISA for quantification of IL-37 in human serum.. protocols.io dx.doi.org/10.17504/protocols.io.bj4bkqsn Copy
Authors: Angel Justiz-Vaillant, Belkis Ferrer-Cosme
Group: University of the West Indies, [email protected]
Proper citation: Angel Justiz-Vaillant, Belkis Ferrer-Cosme 2020. ELISA for quantification of human C9 in serum or plasma.. protocols.io dx.doi.org/10.17504/protocols.io.bj79krr6 Copy
Authors: Angel Justiz-Vaillant
Group: University of the West Indies, [email protected]
Summary: Interleukins (IL) are a type of cytokine first thought to be expressed by leukocytes alone but have later been found to be produced by many other body cells. They play essential roles in the activation and differentiation of immune cells, as well as proliferation, maturation, migration, and adhesion. They also have pro-inflammatory and anti-inflammatory properties. The primary function of interleukins is, therefore, to modulate growth, differentiation, and activation during inflammatory and immune responses. Interleukins consist of a large group of proteins that can elicit many reactions in cells and tissues by binding to high-affinity receptors in cell surfaces. [1]The immunoregulatory cytokine IL-41 (also known as meteorin-like protein) is expressed at high levels in the synovium of patients with psoriatic arthritis (PsA).[2]Reference1. Justiz Vaillant AA, Qurie A. Interleukin. In:StatPearls. Treasure Island (FL): StatPearls Publishing; June 12, 2019.2.Onuora S. Novel cytokine, IL-41, linked with PsA.Nat Rev Rheumatol. 2019;15(11):636. doi:10.1038/s41584-019-0314-7
Proper citation: Angel Justiz-Vaillant 2020. ELISA for quantification of IL-41 in human serum or plasma.. protocols.io dx.doi.org/10.17504/protocols.io.bkeuktew Copy
Authors: Angel Justiz-Vaillant
Group: University of the West Indies, [email protected]
Summary: These are three ELISAs for detection of anti-HIV antibodies. These test were highly specific, sensitive and reproducible. They detect specific immunoglobulin Y against HIV peptides in the egg yolk of brown Leghorn layer hens. A modification of these methods were used to detect anti-HIV antibodies in Humans.
Proper citation: Angel Justiz-Vaillant 2020. ELISA for anti-HIV peptide antibodies in the egg yolks of brown Leghorn layer hens.. protocols.io dx.doi.org/10.17504/protocols.io.bjiqkkdw Copy
Authors: Angel Justiz-Vaillant
Group: University of the West Indies, [email protected]
Summary: This SpL ELISA can be used to detect specific antibodies in various animal species including human, mouse, rat, dog, rabbit, chicken, monkey, pig and hamster [1].1. De Chateau M, Nilson BH, Erntell M, Myhre E, Magnusson CG, Akerstrom B et al. On the interaction between protein L and immunoglobulins of various mammalian species. Scand J Immunol 1993; 37: 399−405
Proper citation: Angel Justiz-Vaillant 2020. Enzyme linked immunosorbent assay for investigating the binding of Protein-L to diverse immunoglobulins . protocols.io dx.doi.org/10.17504/protocols.io.bjpfkmjn Copy
Authors: Angel Justiz-Vaillant, Belkis Ferrer-Cosme
Group: University of the West Indies, [email protected]
Summary: MCP-1 is believed to play an important role in monocyte infiltration into tumor tissues. [1] MCP-1 plays an important role in the pathogenesis of atherosclerosis. There is considerable evidence that supports that monocytes containing MCPs and macrophages influence the growth of other cell types within the atherosclerotic lesion. [2]References1. Deshmane SL, Kremlev S, Amini S, Sawaya BE. Monocyte chemoattractant protein-1 (MCP-1): an overview. J Interferon Cytokine Res. 2009;29(6):313-326. doi:10.1089/jir.2008.00272. Lin J, Kakkar V, Lu X. Impact of MCP-1 in atherosclerosis. Curr Pharm Des. 2014;20(28):4580-4588. doi:10.2174/1381612820666140522115801
Proper citation: Angel Justiz-Vaillant, Belkis Ferrer-Cosme 2020. ELISA for measurement of monocyte chemoattractant protein-1 (MCP-1/CCL2) in human serum.. protocols.io dx.doi.org/10.17504/protocols.io.bj7fkrjn Copy
Authors: Angel Justiz-Vaillant, Norma McFarlane-Anderson
Group: University of the West Indies, [email protected]
Summary: This protocol was already used successfully to detect anti-HIV antibody in the serum of women with cervical dysplasia or cervical cancer in Jamaica, West Indies [1].Reference1. Justiz Vaillant A, Bazuaye PE, McFarlane-Anderson N, Smikle MF et al. Seroprevalence of Anti-HIV Antibodies in Women with Abnormal Pap Smears in Jamaica. British Journal of Medicine & Medical Research 2013, 3(4): 2197-2202.
Proper citation: Angel Justiz-Vaillant, Norma McFarlane-Anderson 2020. Indirect Enzyme Linked Immunosorbent Assay (ELISA) for Detection of Anti-HIV Antibodies in Human Serum. protocols.io dx.doi.org/10.17504/protocols.io.bkbmksk6 Copy
Authors: Angel Justiz-Vaillant, Norma McFarlane-Anderson
Group: University of the West Indies, [email protected]
Proper citation: Angel Justiz-Vaillant, Norma McFarlane-Anderson 2020. Universal sandwich enzyme linked immunosorbent assay for investigating protein-LG (SpLG) interactions with immunoglobulins using a SpA-HRP conjugate.. protocols.io dx.doi.org/10.17504/protocols.io.bjp4kmqw Copy
Authors: Angel Justiz-Vaillant
Group: University of the West Indies, [email protected]
Proper citation: Angel Justiz-Vaillant 2020. Enzyme linked immunosorbent assay (ELISA) for determining the serum concentration of IL-33 in humans.. protocols.io dx.doi.org/10.17504/protocols.io.bjy9kpz6 Copy
Authors: Angel Justiz-Vaillant
Group: University of the West Indies, [email protected]
Summary: Interleukins (IL) are a type of cytokine first thought to be expressed by leukocytes alone but have later been found to be produced by many other body cells. They play essential roles in the activation and differentiation of immune cells, as well as proliferation, maturation, migration, and adhesion. They also have pro-inflammatory and anti-inflammatory properties. The primary function of interleukins is, therefore, to modulate growth, differentiation, and activation during inflammatory and immune responses. Interleukins consist of a large group of proteins that can elicit many reactions in cells and tissues by binding to high-affinity receptors in cell surfaces. CD4+T cells (Th2), NKT cells and mast cells synthesize IL-13. It acts on monocytes, fibroblasts, epithelial cells and B cells. The IL-13 significant effects are B-cell growth and differentiation, stimulates isotype switching to IgE. It causes increased mucus production by epithelial cells, increased collagen synthesis by fibroblasts and inhibits pro-inflammatory cytokine production. Also, IL-13 works together with IL-4 in producing biologic effects associated with allergic inflammation and in defense against parasites. [1]Reference1. Justiz Vaillant AA, Qurie A. Interleukin. In:StatPearls. Treasure Island (FL): StatPearls Publishing; June 12, 2019.
Proper citation: Angel Justiz-Vaillant 2020. ELISA for quantification of IL-13 in human serum.. protocols.io dx.doi.org/10.17504/protocols.io.bj3ckqiw Copy
Authors: Angel Justiz-Vaillant, Belkis Ferrer-Cosme
Group: University of the West Indies, [email protected]
Proper citation: Angel Justiz-Vaillant, Belkis Ferrer-Cosme 2020. ELISA for quantification of human C2 in serum or plasma.. protocols.io dx.doi.org/10.17504/protocols.io.bj73krqn Copy
Authors: Angel Justiz-Vaillant
Group: University of the West Indies, [email protected]
Summary: Interleukins (IL) are a type of cytokine first thought to be expressed by leukocytes alone but have later been found to be produced by many other body cells. They play essential roles in the activation and differentiation of immune cells, as well as proliferation, maturation, migration, and adhesion. They also have pro-inflammatory and anti-inflammatory properties. The primary function of interleukins is, therefore, to modulate growth, differentiation, and activation during inflammatory and immune responses. Interleukins consist of a large group of proteins that can elicit many reactions in cells and tissues by binding to high-affinity receptors in cell surfaces. Th9, Th2, Th17, mast cells, NKT cells, and regulatory T cells produce interleukin-9. It enhances T-cell survival, mast cell activation and synergy with erythropoietin.[1]Reference1. Justiz Vaillant AA, Qurie A. Interleukin. In:StatPearls. Treasure Island (FL): StatPearls Publishing; June 12, 2019.
Proper citation: Angel Justiz-Vaillant 2020. ELISA for quantification of IL-9 in human serum.. protocols.io dx.doi.org/10.17504/protocols.io.bj29kqh6 Copy
Authors: Angel Justiz-Vaillant
Group: Carbon
Summary: This ELISA is used to study the interaction between protein-AG (SpAG) and protein-LAG (PLAG) with different immunoglobulin preparations from mammalian and avian species.
Proper citation: Angel Justiz-Vaillant 2021. Chimeric Protein-AG and Protein-LAG sandwich ELISA. protocols.io dx.doi.org/10.17504/protocols.io.bta9nih6 Copy
Authors: Angel Justiz-Vaillant
Group: University of the West Indies, [email protected]
Summary: Interleukins (IL) are a type of cytokine first thought to be expressed by leukocytes alone but have later been found to be produced by many other body cells. They play essential roles in the activation and differentiation of immune cells, as well as proliferation, maturation, migration, and adhesion. They also have pro-inflammatory and anti-inflammatory properties. The primary function of interleukins is, therefore, to modulate growth, differentiation, and activation during inflammatory and immune responses. Interleukins consist of a large group of proteins that can elicit many reactions in cells and tissues by binding to high-affinity receptors in cell surfaces. They have both paracrine and autocrine function. Interleukins are also used in animal studies to investigate aspect related to clinical medicine.T cells and stem cells make IL-3. It functions as a multilineage colony-stimulating factor [1]CD4+T cells (Th2) synthesize IL-4, and it acts on both B and T cells. It is a B-cell growth factor and causes IgE and IgG1 isotype selection. It causes Th2 differentiation and proliferation, and it inhibits IFN gamma-mediated activation on macrophages. It promotes mast cell proliferation in vivo. [1]Reference1. Justiz Vaillant AA, Qurie A. Interleukin. In:StatPearls. Treasure Island (FL): StatPearls Publishing; June 12, 2019.
Proper citation: Angel Justiz-Vaillant 2020. ELISA for quantification of IL-4 in human serum.. protocols.io dx.doi.org/10.17504/protocols.io.bj24kqgw Copy
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