Abstract: An object of the invention is to provide a modified T-cell receptor (TCR) which does not cause the antigen responsiveness and which is capable of holding CD3 subunits on a cell membrane and causing the CD3 subunits to function. The invention is an invention related to a modified TCR comprising a first polypeptide and a second polypeptide, wherein the first polypeptide is a polypeptide which comprises a constant region of human TCR? or a fragment of the constant region and which does not comprise a variable region of human TCR?, and the second polypeptide is a polypeptide which comprises a constant region of human TCR? or a fragment of the constant region and which does not comprise a variable region of human TCR?.

Abstract: An object of the present invention is to provide a method for producing T cells or NK cells, a culture medium for culturing T cells or NK cells, a method for culturing T cells or NK cells, a method for maintaining the undifferentiated state of undifferentiated T cells, and a growth promoter for T cells or NK cells, which are capable of efficiently proliferating T cells or NK cells and maintaining the state of the cells (for example, undifferentiated property). The present invention relates to a method for producing T cells or NK cells including culturing T cells or NK cells in a culture medium containing a bisbenzylisoquinoline alkaloid represented by formula (X-1) or formula (X-2) or a compound resulting from cleavage of one ether bond thereof or a pharmaceutically acceptable salt thereof, and the like.

Abstract: This invention provides an IFN inducer comprising, as an active ingredient, lactic acid bacteria and capable of inducing IFN production, an immunopotentiating agent or prophylactic agent against virus infection comprising such inducer, and a food or drink product comprising such IFN inducer and having IFN-inducing activity, immunopotentiating activity, or prophylactic activity against virus infection. The agent for inducing IFN production comprises, as active ingredients, lactic acid bacteria that can activate plasmacytoid dendritic cells (pDCs) and promote IFN production, such as Lactococcus garvieae NBRC100934, Lactococcus lactis subsp. cremoris JCM16167, Lactococcus lactis subsp. cremoris NBRC100676, Lactococcus lactis subsp. hordniae JCM1180, Lactococcus lactis subsp. hordniae JCM11040, Lactococcus lactis subsp. lactis NBRC12007, Lactococcus lactis subsp. lactis NRIC1150, Lactococcus lactis subsp. lactis JCM5805, Lactococcus lactis subsp.

Abstract: There is provided a method for introducing a temperature-sensitive probe comprising a copolymer, which comprises a thermoresponsive unit and a fluorescent unit, into a cell, and the method using the copolymer further comprising a cationic unit as the temperature-sensitive probe, and the method comprising the step of mixing the copolymer with the cell in a solvent. The copolymer can be preferably used as a fluorescence temperature sensor which measures intracellular temperature since the copolymer has a cationic group and thus enters into a cell without using a special method.

Abstract: Disclosed is an additive for imparting antimicrobial properties to a resin. The additive comprises a string polymer, at least one terminal of which has a positive charge, wherein the string polymer is a polymer containing structural units derived from a cationic polymerization initiator and a monomer containing a carbon-carbon double bond. By using this additive, it becomes possible to obtain an antibacterial resin molded body which can be prepared simply and inexpensively and which has high stability and safety.

Abstract: The present invention relates to a food product and food additive comprising a hop oxidation-reaction product or an extract thereof, as well as to a fat accumulation suppressing agent and a weight gain suppressing agent having it as an active ingredient.

Abstract: An object of the present invention is to provide a novel food material effective for recovering from fatigue and/or preventing fatigue accumulation. The present invention provides a composition for use in recovering from fatigue and/or preventing fatigue accumulation, comprising a Lactococcus bacterium as an active ingredient.

Abstract: An object of the present invention is to provide a composition for use in improving, maintaining and/or ameliorating an attention function and/or a judgement function. According to the present invention, there is provided a composition for use in improving, maintaining and/or ameliorating an attention function and/or a judgement function, comprising an enzymatic decomposition product of milk protein as an active ingredient. The enzymatic decomposition product of milk protein is preferably an enzymatic decomposition product of whey protein. The enzymatic decomposition product of milk protein preferably comprises a peptide having an amino acid sequence of GTWY (SEQ ID NO: 1) and a peptide having an amino acid sequence of WY.

Abstract: An object of the present invention is to provide a novel food material effective for recovering from fatigue and/or preventing fatigue accumulation. The present invention provides a composition for use in recovering from fatigue and/or preventing fatigue accumulation, comprising a Lactococcus bacterium as an active ingredient.

Abstract: The present invention relates to a new type of beverage which provides foam with improved quality. More specifically, the present invention relates to an effervescent beverage that comprises oxidation products of hops and provides foam with improved quality.

Abstract: The present invention provides a fusion polypeptide that induces a humoral immune response and a cellular immune response to a virus, containing antigens or fragments thereof of the following (a) and (b), and having an oligomerization activity: (a) an antigen of the virus or a fragment thereof containing a B cell epitope conserved among subtypes of the virus; and (b) an antigen of the virus or a fragment thereof containing a T cell epitope conserved among subtypes of the virus (wherein the antigen(s) or the fragment(s) thereof of (a) and/or (b) have an oligomerization activity, or the fusion polypeptide further contains (c) a polypeptide having an oligomerization activity in addition to the antigens or the fragments thereof (a) and (b)).

Abstract: An object of the present invention is to provide a novel composition that is, for example, effective in suppression of deterioration of mental function. The present invention provides a composition for use in suppressing deterioration of mental function, comprising a hop oxidation-reaction product. Conditions of deterioration of mental function include conditions selected from the group consisting of depression-related conditions and anxiety-related conditions. The composition of the present invention can be provided in the form of a food composition, and be ingested by subjects with deterioration of mental function or with a risk of deterioration of mental function. The S-fraction can be used as the hop oxidation-reaction product.

Abstract: An object of the present invention is to provide a novel food material effective for improving skin conditions. The present invention provides a composition for use in improving skin conditions, comprising a Lactococcus bacterium as an active ingredient. Examples of the Lactococcus bacterium include Lactococcus lactis. The skin conditions are skin conditions deteriorated by light exposure, such as an increase in skin redness and a decrease in skin moisture content.

Abstract: An object of the present invention is to provide an ultrafine bubble generating agent capable of easily generating ultrafine bubbles in a liquid without requiring an ultrafine-bubble generator, a method for producing an ultrafine bubble-containing liquid, an ultrafine bubble-containing liquid produced by the same production method, and the like. The method for producing an ultrafine bubble-containing liquid of the present invention comprises melting ice having a CO2-content rate of 3 wt % or more (preferably a CO2 hydrate).

Abstract: An intracellular delivery vehicle of which surface is covered by a positive charge, an intracellular delivery complex in which a component or compound desired is loaded in the intracellular delivery vehicle, a temperature-sensitive probe comprising the intracellular delivery complex, and a method for measuring the intracellular temperature by the temperature-sensitive probe are disclosed. The intracellular delivery vehicle is useful on account of its capability of easily delivering the component or compound desired inside the cell without inhibiting cell proliferation.

Abstract: A lactic acid bacterium having increased immunopotentiating activity with being mixed with no ester compound of polyol and a fatty acid is provided. A method for producing a lactic acid bacterium whose immunopotentiating activity is increased without coexisting with ester compound of polyol and a fatty acid, comprising: contacting a lactic acid bacterial immunopotentiating activity-increasing composition comprising an ester compound of a polyol and a fatty acid as an active ingredient with a lactic acid bacterium having immunopotentiating activity and then washing the lactic acid bacterium to remove the lactic acid bacterial immunopotentiating activity-increasing composition.

Abstract: An intracellular delivery vehicle of which surface is covered by a positive charge, an intracellular delivery complex in which a component or compound desired is loaded in the intracellular delivery vehicle, a temperature-sensitive probe comprising the intracellular delivery complex, and a method for measuring the intracellular temperature by the temperature-sensitive probe are disclosed. The intracellular delivery vehicle is useful on account of its capability of easily delivering the component or compound desired inside the cell without inhibiting cell proliferation.

Abstract: Provided is a pharmaceutical composition and food composition for treating or preventing a skin disease caused by abnormal growth of a skin bacterium or infection with a pathogenic microorganism. A composition comprising a lactic acid bacterium as an active ingredient, for suppressing bacterial abnormal growth, or preventing or ameliorating deterioration of skin condition caused by a bacterial abnormal growth, by oral intake thereof.

Abstract: The invention is related to a beverage having an improved flavor. More precisely, it is related to a beverage having an improved flavor, comprising an aqueous medium extract of a hop having been subjected to an oxidation treatment.

Abstract: Provided are a composition and a food or drink, having the effect of enhancing an immune response to an antigen, which is administered by another route such as subcutaneous injection, by orally administering to a subject, lactic acid bacteria, a culture thereof, a treated product thereof, or a composition comprising the same. An oral ingestion composition, which comprises a lactic acid bacterium strain that is Lactococcus lactis subsp. lactis enhancing the proliferation of cytotoxic T lymphocytes (CTL) and the generation of antibodies, or a culture or treated product thereof, and is used in combination with an antigen as a vaccine, wherein the oral ingestion composition is for use in enhancing the proliferation of cytotoxic T lymphocytes (CTL) specific to the antigen and the generation of antibodies specific to the antigen.