Provided is a novel compound capable of being usefully used to diagnose and treat prostate cancer by labeling a radioisotope on a bombesin derivatives capable of selectively targeting a target material over-expressed in tumor cells in order to develop an effective diagnose and treatment method of diseases associated with prostate cancer.

A TFF2 protein and an IFN-κ protein are combined to treat a novel coronavirus infection. A product comprises: (a) an IFN-κ protein; (b) a TFF2 protein; and (c) an optional pharmaceutically acceptable carrier. Provided are an application of a combination of IFN-κ protein and TFF2 protein in the preparation of a product for the treatment of a novel coronavirus infection and related diseases, and a method for using the product to treat a novel coronavirus infection and related diseases. The foregoing combination, application, and method have excellent therapeutic effects on novel coronavirus infections, and have application prospects and social benefits.

The invention provides novel adrenomedullin analogs that exhibit high biological stability in administering to subjects while maintaining pharmacological effects of the parent compound adrenomedullin. An aspect of the invention relates to a compound or a salt thereof, or a solvate thereof, wherein the compound is a peptide selected from the group consisting of: (a) a peptide consisting of an amino acid sequence of SEQ ID NO: 3 wherein one to three amino acid residues are substituted or deleted; (b) a peptide having a disulfide bond formed by cysteine residues at positions 4 and 9 of the peptide of (a); (c) a peptide wherein the disulfide bond of the peptide of (b) is substituted with an ethylene group; (d) a peptide wherein one to three amino acid residues of any of the peptides of (a) to (c) are deleted or added; (e) a peptide wherein any of the peptides of (a) to (d) is amidated at the C-terminus thereof; and (f) a peptide wherein any of the peptides of (a) to (d) has a glycine residue added to the C-terminus thereof. Another aspect of the invention relates to a method for producing the compound or the like, and a medicament and agent for prevention or treatment each comprising the compound or the like as an active ingredient.

The invention provides novel adrenomedullin analogs that exhibit high biological stability in administering to subjects while maintaining pharmacological effects of the parent compound adrenomedullin. An aspect of the invention relates to a compound or a salt thereof, or a solvate thereof, wherein the compound is a peptide selected from the group consisting of: (a) a peptide consisting of an amino acid sequence of SEQ ID NO: 3 wherein one to three amino acid residues are substituted or deleted; (b) a peptide having a disulfide bond formed by cysteine residues at positions 4 and 9 of the peptide of (a); (c) a peptide wherein the disulfide bond of the peptide of (b) is substituted with an ethylene group; (d) a peptide wherein one to three amino acid residues of any of the peptides of (a) to (c) are deleted or added; (e) a peptide wherein any of the peptides of (a) to (d) is amidated at the C-terminus thereof; and (f) a peptide wherein any of the peptides of (a) to (d) has a glycine residue added to the C-terminus thereof. Another aspect of the invention relates to a method for producing the compound or the like, and a medicament and agent for prevention or treatment each comprising the compound or the like as an active ingredient.

Provided is a recombinant polypeptide comprising a resistin trimerization domain and a polypeptide of interest. Further provided is an expression vector encoding the recombinant polypeptide and a method of expressing the recombinant polypeptide. The polypeptide of interest may be a trimeric viral surface antigen or a portion thereof, such as the ectodomain of the SARS-CoV-2 spike protein. Further provided are compositions, such as immunogenic compositions and vaccines, comprising the recombinant polypeptide.

Provided is a recombinant polypeptide comprising a resistin trimerization domain and a polypeptide of interest. Further provided is an expression vector encoding the recombinant polypeptide and a method of expressing the recombinant polypeptide. The polypeptide of interest may be a trimeric viral surface antigen or a portion thereof, such as the ectodomain of the SARS-CoV-2 spike protein. Further provided are compositions, such as immunogenic compositions and vaccines, comprising the recombinant polypeptide.

The present application discloses the use of light-gated cation-selective channelrhodopsins (Ch Rs) for the optogenetic control of the secretion of a polypeptide of interest in adipocytes. Engineered adipocytes comprising a channelrhodopsin (ChR) polypeptide, and/or a nucleic acid encoding same, and a secretory polypeptide precursor comprising a bioactive polypeptide and a signal peptide suitable for secretion of the bioactive polypeptide by the engineered adipocytes, and/or a nucleic acid encoding same, are disclosed. The use of such engineered adipocytes for the management or treatment of diseases/conditions in which the secretion of a polypeptide of interest is beneficial, such as the secretion of insulin in diabetic patients, is also disclosed.

The present application discloses the use of light-gated cation-selective channelrhodopsins (Ch Rs) for the optogenetic control of the secretion of a polypeptide of interest in adipocytes. Engineered adipocytes comprising a channelrhodopsin (ChR) polypeptide, and/or a nucleic acid encoding same, and a secretory polypeptide precursor comprising a bioactive polypeptide and a signal peptide suitable for secretion of the bioactive polypeptide by the engineered adipocytes, and/or a nucleic acid encoding same, are disclosed. The use of such engineered adipocytes for the management or treatment of diseases/conditions in which the secretion of a polypeptide of interest is beneficial, such as the secretion of insulin in diabetic patients, is also disclosed.

The present invention provides a plant expressing a target protein, a method of preparing the same and a method of preparing a composition for oral administration of a biopharmaceutical using the same. A target protein expression system using plant cells according to the present invention solves conventional problems in plant cell culture, provides a method of producing a large quantity of target proteins including a biopharmaceutical protein and allowing a target protein to have a resistance to a protease present in a digestive organ, and therefore is very effective to enable commercialization of plant-derived biopharmaceuticals.

The present invention relates, inter alia, to certain hepcidin peptide analogs, including peptides and dimers thereof, and to the use of the peptides and peptide dimers in the treatment and/or prevention of a variety of diseases, conditions or disorders, including treatment and/or prevention of iron overload diseases, which include hereditary hemochromatosis and iron-loading anemias, and other conditions and disorders described herein.