The present disclosure provides antibodies that specifically bind to human FAM19A5 and compositions comprising such antibodies. In a specific aspect, the antibodies specifically bind to human FAM19A5 and modulate FAM19A5 activity, e.g., inhibit, suppress, reduce, or reverse the onset of reactive gliosis and/or excessive proliferation of reactive astrocytes, utilizing such antibodies. The present disclosure also provides methods for treating disorders, such as central nervous system damage, a degenerative brain disorder, or a neuropathic pain, by administering an antibody that specifically binds to human FAM19A5.

A topical intranasal antiviral composition for protecting against virus infections. The composition comprises an antigen binder and a pharmaceutical suspender material to allow effective delivery into the nasal cavity. Examples of materials that could be used in the pharmaceutical suspender are microcrystalline cellulose or sodium carboxymethylcellulose (Na⋅CMC). One particular target for the antigen binder could be SARS-CoV-2. For example, the antigen binder could target the S1 subunit of SARS-CoV-2. The composition could be made by a process in which the pharmaceutical vehicle is prepared, and then the antigen binder is added to the pharmaceutical vehicle to make a bioactive mixture, and then adding solid sodium chloride to the bioactive mixture. Also disclosed are methods of protection against virus infection using the intranasal antiviral composition. For example, in the case of SARS-CoV-2, the antigen binder would block the virus particles from attaching to ACE2 receptors on host cells of the nasal mucosa or nasopharynx. This blocking action would protect against virus infection.

Disclosed herein are methods of reducing a symptom of respiratory disease in a pre-weaned milk-fed mammal by orally administering an isolated antibody that specifically binds the interleukin-10 peptide or an anti-interleukin-10 antibody. Also included are methods of reducing mixing stress in human and non-human mammals by administering an isolated antibody that specifically binds the interleukin-10 peptide or an anti-interleukin-10 antibody. Further included are milk and food compositions including the interleukin-10 peptide or anti-interleukin-10 antibody.

Chicken egg yolk antibodies (IgY Abs) specific to the Middle Eastern Respiratory Syndrome coronavirus spike (MERS-CoV S) protein demonstrate efficacy against MERS-CoV infection. The S-specific IgY Abs (anti-S IgY) are produced by injecting chickens with purified a recombinant MERS-CoV S protein, S1 subunit, or an S1 fragment. The purified anti-S IgY specifically bind to the MERS-CoV S protein and inhibit infection. In vitro neutralization of the IgY Abs against MERS-CoV was achieved in cell lines and in a human-transgenic mouse model treated with a pharmaceutical composition comprising the anti-S IgY. Viral antigen-positive cells in treated mice were reduced, compared to the adjuvant-only controls. Moreover, lung cells of anti-S IgY-treated mice showed significantly reduced inflammation, compared to the controls. Efficient neutralization of MERS-CoV infection is demonstrated both in vitro and in vivo using the anti-S IgY Abs.

A prophylactic and/or therapeutic food composition for control of deformed wing vims (DWV) in bees and/or bee larvae, and methods of using and making the same. Bee feed compositions comprising anti-DWV antibodies dispersed in an edible base composition. Use of recombinant VP1, VP2, VP3, and/or VP4 capsid proteins, or VLPs of deformed wing vims (DWV) to passively generate anti-DWV antibodies in chicken egg yolks, and use of such anti-DWV antibodies for prophylaxis or treatment of deformed wing virus in the bees and/or larvae.

Provided herein, inter alia, are isolated antibodies that bind an extracellular domain of a human SIRP-α v1 polypeptide (e.g., the D1 domain), an extracellular domain of a human SIRP-α v2 polypeptide or both. In some embodiments, the antibodies also bind an extracellular domain of a monkey SIRP-α polypeptide, an extracellular domain of a SIRP-α polypeptide, an extracellular domain of a human SIRP-β polypeptide, and/or an extracellular domain of a human SIRP-γ polypeptide. In some embodiments, the antibodies block or do not binding between an extracellular domain of a human SIRP-α polypeptide and an IgSF domain of a human CD47 polypeptide, while in some embodiments, the antibodies reduce the affinity of a human SIRP-α polypeptide for binding an IgSF domain of a human CD47 polypeptide. Further provided herein are methods, polynucleotides, vectors, and host cells related thereto.

The present invention is directed to an antibody composition for oral administration comprising intact blood-derived polyclonal antibodies that bind to a human tumour necrosis factor α (TNFα), and means for protecting the antibodies during gastrointestinal transit, as well as methods for manufacturing, kits, and therapeutic uses of the same.

Provided herein, inter alia, are isolated antibodies that bind an extracellular domain of a human SIRP-α v1 polypeptide (e.g., the D1 domain), an extracellular domain of a human SIRP-α v2 polypeptide, or both. In some embodiments, the antibodies also bind an extracellular domain of a monkey SIRP-α polypeptide, an extracellular domain of a mouse SIRP-α polypeptide, an extracellular domain of a human SIRP-β polypeptide, and/or an extracellular domain of a human SIRP-γ polypeptide. In some embodiments, the antibodies block or do not binding between an extracellular domain of a human SIRP-α polypeptide and an IgSF domain of a human CD47 polypeptide, while in some embodiments, the antibodies reduce the affinity of a human SIRP-α polypeptide for binding an IgSF domain of a human CD47 polypeptide. Further provided herein are methods, polynucleotides, vectors, and host cells related thereto.

Formulations of egg powders with avian antibodies that act as mucosal protectants are provided. The formulations are effective for protecting the mucosal membranes in the pharyngeal area of an individual from viral infections. Formulations effective for reducing infections of SARS-CoV-2 in individuals are provided. Formulations are also effective for reducing transmission of viral disease. The formulations are tablets, candies, gummies, throat lozenges, and powders for administering to the pharyngeal area. Methods for administering the formulations for reducing viral disease such as Covid-19 are disclosed.

Compositions are described that include colostrum and/or milk replacer combined with pathogen specific avian antibodies. These pathogen specific avian antibodies include antibodies against pathogens causing infections and disease in the digestive tract as well as outside the digestive tract. Feeding regimens and methods for administering the colostrum and/or milk replacer with the pathogen specific avian antibodies result in the presence of IgY antibodies in the serum of a neonatal animal. The IgY antibody in the serum can neutralize pathogens causing infections outside of the digestive tract.