Abstract: Provided are a peptide with a cytoprotective effect against environmental pollutants and a use thereof. The peptide consisting of an amino acid sequence of SEQ ID NO: 1, 2, or 3 directly binds to 2,3,7,8-tetrachlorodibenzo-p-dioxin (hereinafter, referred to as TCDD), known as being the most toxic among the class of dioxins, to prevent dermal penetration and the activation mechanism of AhR by TCDD and polycyclic aromatic hydrocarbons contained in fine dust. Such a direct cytoprotective effect against environmental pollutants is distinguished from preexisting methods that are configured to indirectly block opportunities to contact these materials or to reduce toxicity through barrier reinforcement.

Abstract: A peptide consisting of an amino acid sequence of SEQ ID NO: 1, 2, 3, or 4, a pharmaceutical composition for preventing or treating skin disease including the peptide, a cosmetic composition for skin condition improvement including the peptide, a food composition for skin condition improvement including the peptide, a method of preventing or treating skin disease using the peptide, and a use of the peptide in preventing or treating skin disease or improving skin condition are described.

Abstract: The present invention relates to a peptide exhibiting physiological activities and a composition including the peptide. Because the peptide of the present invention exhibits various physiological activities such as muscle relaxation, skin wrinkle improvement, sebum production suppression, and the like, the peptide may be used as an active ingredient in a pharmaceutical composition for muscle relaxation, or cosmetics for improving skin wrinkles, suppressing sebum production, or ameliorating acne.

Abstract: The present invention relates to a compound having a structure in which methotrexate and a peptide are connected via a covalent bond, and an anticancer or anti-inflammatory pharmaceutical composition comprising same. The compound having a structure in which methotrexate and a peptide are connected via a covalent bond of the present invention has excellent biological activity such as anticancer or anti-inflammatory action and has markedly reduced toxicity with respect to cells, and thus, may be usefully used in various fields such as medicine and medical supplies.

Abstract: Peptide having an angiogenesis inhibitory activity and a use of the peptide, related to the treatment or prevention of excessive angiogenesis-related diseases. Particularly, a novel peptide that binds, in competition with vascular endothelial growth factors (VEGF), to VEGF receptors and can significantly inhibit the proliferation, migration and differentiation of vascular endothelial cells, thereby being effectively usable as an active ingredient of a composition or a health functional food for preventing or treating diseases, such as macular degeneration, a tumor, arthritis or psoriasis, caused by excessive angiogenesis.

Abstract: The present invention provides a peptide having anti-inflammatory activity, composed of an amino acid sequence of a sequence listing of SEQ ID NO: 1, SEQ ID NO: 2 or SEQ ID NO: 3. The peptide inhibits the expression of inflammatory cytokines and inhibits the proliferation of inflammatory cells, so as to resultantly exhibit anti-inflammatory activity, thereby being useful in the prevention or treatment of inflammatory diseases.

Abstract: An antibacterial, anti-inflammatory, or antioxidant composition and, more specifically, a compound having a structure in which salicylic acid is linked to a peptide via a covalent linkage, and an antibacterial, anti-inflammatory, or antioxidant pharmaceutical or cosmetic composition containing the compound, are described. The compound having a structure in which salicylic acid is linked to a peptide via a covalent linkage has excellent physiological activity, such as antibacterial, anti-inflammatory, or antioxidant activity, as well as excellent characteristics, such as solubility in water, and thus the compound can be favorably used in various fields of food, drug, or cosmetics.

Abstract: Peptides exhibiting melanogenesis promoting activity are described. The peptides increase the activity and expression of tyrosinase and the expression of factors involved in melanogenesis, thereby exhibiting an outstanding effect on melanogenesis. The peptides can be used for the prevention, alleviation, and treatment of hypomelanosis. The outstanding activity and stability stated above allow the peptides to be very favorably applied to medicines, quasi-medicines, and cosmetics.

Abstract: The present invention relates to a hangover alleviating composition containing a conjugate of sesamol and a peptide as an active ingredient. Specifically, the conjugate of sesamol and a peptide according to the present invention significantly increases the activity of alcohol dehydrogenase (ADH) or aldehyde dehydrogenase (ALDH) involved in the alcohol metabolising process, quickly breaks down the concentration of alcohol in the body, and improves alcohol-induced motor impairment, thus having the advantage of being able to be usefully used as an active ingredient in a hangover alleviating composition.

Abstract: The present invention relates to a novel peptide having an angiogenesis inhibitory activity and a use of the peptide, related to the treatment or prevention of excessive angiogenesis-related diseases. Particularly, a novel peptide according to the present invention binds, in competition with vascular endothelial growth factors (VEGF), to VEGF receptors and can significantly inhibit the proliferation, migration and differentiation of vascular endothelial cells, thereby being effectively usable as an active ingredient of a composition or a health functional food for preventing or treating diseases, such as macular degeneration, a tumor, arthritis or psoriasis, caused by excessive angiogenesis.

Abstract: A peptide and a peptide complex of the present invention exhibit an anti-obesity effect by inhibiting fat accumulation and decomposing already accumulated fat, and exhibit an excellent effect with respect to diabetes by effectively reducing blood sugar. The peptide and the peptide complex of the present invention decrease the expression of PPAR?, ACC, and aP2, which are adipogenic markers, increase the expression of pHSL, AMPK-?1, CGI-58, and ATGL, which are lipolytic factors, and reduce the size of fat cells and blood cholesterol values. The peptide and the peptide complex of the present invention, which have excellent activity and safety, can be advantageously applied to drugs and quasi-drugs.

Abstract: The present invention relates to a compound having a structure in which isotretinoin is linked to a peptide via a covalent bond and an antibiotic, anti-inflammatory, or anti-oxidative pharmaceutical or cosmetic composition comprising the same. A compound having a structure in which isotretinoin is linked to a peptide via a covalent bond according to the present invention exhibits excellent physiological activity such as antibiotic, anti-inflammatory, or anti-oxidative actions, as well as having outstanding properties, such as solubility in water, etc., and thus can find useful applications in various fields including medicines, cosmetics, etc.

Abstract: The present disclosure relates to peptides exhibiting an anti-obesity effect by inhibiting fat accumulation and decomposing already accumulated fats as well as an outstanding anti-diabetes effect by effectively lowering blood sugar levels. The peptides that downregulate the expression of the adipogenic markers PPAR?, ACC and/or aP2, upregulate the expression of the lipolytic factors pHSL, AMPK-?1, CGI-58 and/or ATGL, and reduce sizes of adipocyte and levels of cholesterol in blood are described. The excellent activity and stability of the peptides described herein provides advantages in applications such as drugs and quasi-drug products.

Abstract: The present invention provides a peptide having skin-whitening activity. The peptide of the present invention exhibits an excellent skin whitening effect by inhibiting melanogenesis, inhibiting the activity of tyrosinase, inhibiting the expression of melanosis-involved factors, and inhibiting melanosome transfer. The peptide of the present invention has excellent skin permeability due to the small size thereof. Excellent activity and stability of the foregoing peptide of the present invention can be very favorably applied to cosmetics.

Abstract: The peptide of the present invention performs a function, which is the same as or similar to that of natural interleukin (IL)-3, and has superior skin permeability due to the small size thereof. In addition, the peptide of the present invention suppresses the activation of NF-?B and nuclear transition by inhibiting the receptor activator of nuclear factor kappa-B ligand (RANKL)-RANK signaling pathway, and suppresses the expression of a RANKL or an inflammatory cytokine-induced tartrate-resistant acid phosphatase (TRAP), cathepsin K, or TNF receptor type 1 or type 2, thereby inhibiting osteoclast differentiation depending on the treatment concentration. Moreover, the peptide of the present invention can contribute to osteoblast differentiation by promoting the expression of osteoblast differentiation markers such as osteocalcin (OCN), osteoprotegerin (OPG), bone sialoprotein (BSP), or osteopontin (OPN).

Abstract: A peptide and a peptide complex of the present invention exhibit an anti-obesity effect by inhibiting fat accumulation and decomposing already accumulated fat, and exhibit an excellent effect with respect to diabetes by effectively reducing blood sugar. The peptide and the peptide complex of the present invention decrease the expression of PPAR?, ACC, and aP2, which are adipogenic markers, increase the expression of pHSL, AMPK-?1, CGI-58, and ATGL, which are lipolytic factors, and reduce the size of fat cells and blood cholesterol values. The peptide and the peptide complex of the present invention, which have excellent activity and safety, can be advantageously applied to drugs and quasi-drugs.

Abstract: The present invention provides a peptide which shows a hair growth-promoting activity. The peptide of the present invention promotes the growth of follicular cells and increases the expression of a hair growth-related growth factor and hair growth-related factors, thereby showing an excellent effect in hair growth. The peptide of the present invention can be used for preventing and alleviating hair loss, promoting hair growth, and improving hair growth. In addition, the superior activity and stability of the peptide of the present invention allows the peptide to be very favorably applied to quasi drugs and cosmetics.

Abstract: The peptide of the present invention exhibits an anti-obesity effect by inhibiting fat accumulation and decomposing already accumulated fats as well as an outstanding anti-diabetes effect by effectively lowering blood sugar levels. The peptide of the present invention downregulates the expression of the adipogenic markers PPAR?, ACC and/or aP2, upregulates the expression of the lipolytic factors pHSL, AMPK-?1. CGI-58 and/or ATGL, and reduces sizes of adipocyte and levels of cholesterol in blood. The excellent activity and stability of the peptide of the present invention may be very advantageously applied to drugs and quasi-drug products.

Abstract: The present invention provides a peptide which shows a melanin generation-promoting activity. The peptide of the present invention increases the activity and expression of tyrosinase and increases the expression of factors related to melanin generation, thereby showing an excellent effect in melanin generation. The peptide of the present invention can be used for preventing, alleviating, and treating hypomelanosis. The above-mentioned superior activity and stability of the peptide of the present invention allows the peptide to be very favorably applied to medicines, quasi drugs, and cosmetics.

Abstract: The present invention provides: a peptide which shows a hair growth-promoting activity and/or a melanin generation-promoting activity; a composition for preventing and/or alleviating hair loss, comprising the peptide as an effective ingredient; a composition for promoting hair growth, comprising the peptide as an effective ingredient; a use of the peptide for preventing and/or alleviating hair loss; a use of the peptide for promoting hair growth; a pharmaceutical composition for preventing and/or treating hypomelanosis, comprising the peptide as an effective ingredient; a cosmetic composition for preventing and/or treating hypomelanosis, comprising the peptide as an effective ingredient; and a use of the peptide for preventing and/or treating hypomelanosis.