Patents by Inventor Yong Ji Chung
Yong Ji Chung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20170260233Abstract: A peptide which is formed from an amino acid sequence selected from the group comprising amino acid sequences of SEQ ID NO: 1 to SEQ ID NO: 3, according to the present invention, has osteoclast differentiation and activation inhibition and is highly effective for preventing or treating bone diseases related to the destruction of the bone. A peptide, according to the present invention, reduces expression of cathepsin K and TRAP related to osteoclast differentiation, inhibits nuclear translocation of NF-kB, and ultimately inhibits osteoclast differentiation. Provided is a composition, for preventing or treating bone diseases, comprising the peptide.Type: ApplicationFiled: August 5, 2014Publication date: September 14, 2017Inventors: Yong Ji CHUNG, Eun Mi KIM, Eung Ji LEE, A Reum HAN, Hyun Jung KWON
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Publication number: 20170247411Abstract: A peptide comprising an amino acid sequence of SEQ ID NO: 1 or SEQ ID NO: 2, according to the present invention, shows proliferation and differentiation promotion of osteoblast and proliferation and activation promotion of periodontal ligament fibroblast. A peptide, according to the present invention, increases BMP signaling such as SMAD1/5/8 phosphorylation and increases the growth of osteoblast and the expression of a differentiation marker such as COL1A1, BSP and ALP, thereby ultimately showing osteoblast activation. A peptide, according to the present invention, promotes the growth of periodontal ligament fibroblast by means of PI3K and Akt phosphorylation and increases the expression of an activation marker such as COL1A1 and DSPP, thereby ultimately showing periodontal tissue regeneration activation. Provided are a composition for preventing or treating bone diseases and a composition for preventing or treating periodontal diseases, the compositions comprising the aforementioned peptide.Type: ApplicationFiled: August 5, 2014Publication date: August 31, 2017Inventors: Yong Ji CHUNG, Eun Mi KIM, Eung Ji LEE, A Reum HAN, Hyun A JUNG
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Publication number: 20170049847Abstract: Provided is a peptide, which has an anti-inflammatory activity and an activity for promoting osteogenic differentiation, formed from the amino acid sequence selected from the group comprising the amino acid sequences of SEQ ID NO: 1, SEQ ID NO: 2, and SEQ ID NO: 3. And provided is a peptide, which has a hair growth promoting activity, formed from the amino acid sequence selected from the group comprising the amino acid sequences of SEQ ID NO: 1 and SEQ ID NO: 2. A peptide formed from the amino acid sequence of SEQ ID NO: 1, SEQ ID NO: 2, or SEQ ID NO: 3, according to the present invention, consequently shows an anti-inflammatory activity by inhibiting an inflammatory cytokine expression and proliferation of inflammatory cells, and consequently promotes osteogenic differentiation by increasing phosphorylation of PI3K, Smad1, Smad5 and Smad8, which contribute to osteogenesis, and by increasing ALP, OPG and BSP expressions.Type: ApplicationFiled: November 21, 2014Publication date: February 23, 2017Inventors: Yong Ji CHUNG, Eun Mi KIM, Eung Ji LEE, Kyoung Mi CHO, A Reum HAN
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Publication number: 20170051014Abstract: A peptide formed from the amino acid sequence of SEQ ID NO: 1 or SEQ ID NO: 2, according to the present invention, shows a melanogenesis increment activity and an adipogenesis inhibitory activity. A peptide of the present invention, by increasing phosphorylation of MITF, which is a transcription factor for increasing a tyrosinase expression, and CREB for increasing an MITF expression, consequently increases a tyrosinase expression and ultimately increases melanin synthesis. A peptide of the present invention, by reducing the amount of fat accumulated inside a cell and reducing expressions of perilipin and PPAR?, which contribute to adipogenic mechanism, ultimately inhibits adipogenesis. The present invention provides a composition for remedying or treating melanin hypopigmentation, the composition comprising the peptide, and provides pharmaceutical composition for treating or preventing obesity.Type: ApplicationFiled: November 21, 2014Publication date: February 23, 2017Inventors: Yong Ji CHUNG, Eun Mi KIM, Eung Ji LEE, Kyoung Mi CHO
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Patent number: 9550078Abstract: The present invention relates to novel peptides derived from an EDAR (EDAR receptor) ligand which belongs to TNF (tumor necrosis factor)-? family and to uses of the same. The present peptides of EDA3 derived from EDA and EDphD1 derived from EDAR ligand possess identical or similar activities to naturally occurring EDA and have much higher stability and skin penetration potency than naturally occurring EDA. Therefore, the composition containing the present peptide not only shows excellent effects on improvement in hair loss and promotion of hair growth, but also has superior efficacies on treatment of an EDA signal transduction pathway-related disorder. In addition, the outstanding activity and stability of the present peptide described above may be greatly advantageous in application to pharmaceutical compositions, quasi-drugs and cosmetics.Type: GrantFiled: May 9, 2012Date of Patent: January 24, 2017Assignee: CAREGEN CO., LTD.Inventors: Yong Ji Chung, Eun Mi Kim
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Publication number: 20160272679Abstract: The present invention relates to a WNT-derived novel peptide and use thereof. WNT-derived peptide of the present invention possesses identical or similar activities to natural-occurring WNT protein, and has much higher stability and skin penetration potency than natural-occurring WNT protein. Therefore, the composition containing the present peptide not only shows excellent effects on improvement in hair loss (for example, promotion of hair growth or production of hair), but also has superior efficacies on treatment of a WNT signal transduction pathway-related disorder. In addition, the outstanding activity and stability of the present peptide described above may be greatly advantageous in application to pharmaceutical compositions, quasi-drugs and cosmetics.Type: ApplicationFiled: March 28, 2016Publication date: September 22, 2016Inventors: Yong Ji CHUNG, Eun Mi KIM
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Publication number: 20160176927Abstract: 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).Type: ApplicationFiled: October 25, 2013Publication date: June 23, 2016Inventors: Yong Ji CHUNG, Eun Mi KIM, Eung-Ji LEE, Tae-Hoon LEE, A Reum HAN
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Patent number: 9295629Abstract: A WNT-derived peptide and use thereof are described. WNT-derived peptide of the present invention possesses identical or similar activities to natural-occurring WNT protein, and has much higher stability and skin penetration potency than natural-occurring WNT protein. Therefore, the composition containing the present peptide not only shows excellent effects on improvement in hair loss (for example, promotion of hair growth or production of hair), but also has superior efficacies on treatment of a WNT signal transduction pathway-related disorder. In addition, the outstanding activity and stability of the present peptide described above may be greatly advantageous in application to pharmaceutical compositions, quasi-drugs and cosmetics.Type: GrantFiled: May 9, 2012Date of Patent: March 29, 2016Assignee: CAREGEN CO., LTD.Inventors: Yong Ji Chung, Eun Mi Kim
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Patent number: 8969296Abstract: The present invention relates to a GFP-CAP peptide having an amino acid sequence derived from TGF-?1 (transforming growth factor-?1) and a cell adhesion sequence, wherein the amino acid sequence derived from TGF-?1 consists of the amino acid sequence of SEQ ID NO:1 and the TGFP-CAP peptide is represented by the following formula I: Ile-Trp-Ser-Leu-Asp-Thr-Gln-Tyr-Cell adhesion sequence (I). The TGFP-CAP peptide of the present invention exhibits excellent anti-angiogenic activity. In addition, the TGFP-CAP peptide of the present invention prevents effectively melanin generation in skin to have skin whitening effects. The present peptide shows much higher stability and permeability to skin than natural-occurring TGF-?1. Such plausible activities and safety of the present peptide enable advantageously to application to drugs, quasi-drugs and cosmetics.Type: GrantFiled: September 12, 2007Date of Patent: March 3, 2015Assignee: Caregen Co., LtdInventors: Yong-Ji Chung, Young Deug Kim, Eun Mi Kim, Jun Young Choi, Jin Seuk Kim, Sang Su Song, Kyoung Mi Cho
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Publication number: 20140309157Abstract: The present invention relates to a WNT-derived novel peptide and use thereof. WNT-derived peptide of the present invention possesses identical or similar activities to natural-occurring WNT protein, and has much higher stability and skin penetration potency than natural-occurring WNT protein. Therefore, the composition containing the present peptide not only shows excellent effects on improvement in hair loss (for example, promotion of hair growth or production of hair), but also has superior efficacies on treatment of a WNT signal transduction pathway-related disorder. In addition, the outstanding activity and stability of the present peptide described above may be greatly advantageous in application to pharmaceutical compositions, quasi-drugs and cosmetics.Type: ApplicationFiled: May 9, 2012Publication date: October 16, 2014Applicant: CAREGEN CO., LTD.Inventors: Yong Ji Chung, Eun Mi Kim
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Publication number: 20140255338Abstract: The present invention relates to novel peptides derived from an EDAR (EDAR receptor) ligand which belongs to TNF (tumor necrosis factor)-? family and to uses of the same. The present peptides of EDA3 derived from EDA and EDphD1 derived from EDAR ligand possess identical or similar activities to naturally occurring EDA and have much higher stability and skin penetration potency than naturally occurring EDA. Therefore, the composition containing the present peptide not only shows excellent effects on improvement in hair loss and promotion of hair growth, but also has superior efficacies on treatment of an EDA signal transduction pathway-related disorder. In addition, the outstanding activity and stability of the present peptide described above may be greatly advantageous in application to pharmaceutical compositions, quasi-drugs and cosmetics.Type: ApplicationFiled: May 9, 2012Publication date: September 11, 2014Applicant: CAREGEN CO., LTD.Inventors: Yong Ji Chung, Eun Mi Kim
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Patent number: 8501689Abstract: The present invention relates to a growth factor-mimicking peptide having an activity of the growth factor, and a composition and a method for improving skin conditions or for treating a wound using the same. The growth factor-mimicking peptides of this invention have identical functions or actions to natural-occurring human growth factor, and much better stability and skin penetration potency than natural-occurring growth factor. In these connections, the composition comprising the peptides of this invention can exhibit excellent efficacies on the treatment, prevention and improvement of diseases or conditions demanding growth factor activities. In addition, excellent activity and stability of the peptides of this invention can be advantageously applied to pharmaceutical compositions, quasi-drugs and cosmetics.Type: GrantFiled: March 6, 2009Date of Patent: August 6, 2013Assignee: Caragen Co., Ltd.Inventors: Yong-Ji Chung, Young Deug Kim, Eun Mi Kim, Jun Young Choi
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Patent number: 8263095Abstract: The present invention relates to a peptide having the activity of insulin like growth factor-1 (IGF-1) and derived from IGF-1, a composition for improving skin conditions or treating a periodontal disease comprising the peptide. The IGF-1 mimicking peptides of this invention have identical functions or actions to natural-occurring IGF-1 and much better stability and skin permeation than natural-occurring IGF-1. In these connections, the composition comprising the peptides of this invention can exhibit excellent efficacies on the treatment, prevention and improvement of diseases or conditions demanding IGF-1 activities. In addition, the peptides of this invention can be advantageously applied to pharmaceutical compositions, quasi-drugs and cosmetics.Type: GrantFiled: March 12, 2010Date of Patent: September 11, 2012Assignee: Caregen Co., Ltd.Inventors: Yong Ji Chung, Young Deug Kim, Eun Mi Kim
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Patent number: 8188049Abstract: The present invention relates to peptides comprising the amino acid sequence represented by the following formula 1 and having the activities of epidermal growth factor and their uses: Cys-Met-Tyr-Ile-Glu-Linker-Arg-Gly-Asp (1) The EGF-mimicking peptides of the present invention possess identical functions or activities to natural-occurring human EGF and are able to promote the generation of autocrine EGF in cells. In addition the peptides of the present invention are much higher stability and skin penetration potency than natural-occurring EGF. Therefore, the composition containing the peptide exhibits excellent treatment and prevention efficacies on diseases or conditions demanding EGF activities, and can be advantageously applied to pharmaceutical compositions, quasi-drugs and cosmetics.Type: GrantFiled: October 8, 2007Date of Patent: May 29, 2012Assignee: Caregen Co., Ltd.Inventors: Yong-Ji Chung, Young Deug Kim, Eun Mi Kim, Jun Young Choi, Sang Su Song
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Patent number: 8106017Abstract: The present invention relates to a peptide comprising a specific amino acid sequence possessing human thymosin ?-4 (T?4) activities and its uses. The peptide of this invention has identical or similar functions or actions to human T?4 and its biological activity is almost identical to natural-occurring T?4. In addition, the peptide of this invention exhibits much higher stability and skin permeation than natural-occurring T?4. In these connections, the composition comprising the peptides of this invention can exhibit excellent efficacies on improvement in thymosin ?-4-effective disorders or conditions. In addition, the peptide of this invention can be advantageously applied to drugs, cosmetics, toothpaste and compositions for mouth cleaning and caring, most preferably, cosmetics. Specifically, the peptide of this invention is advantageously applied to cosmetics for promoting hair growth.Type: GrantFiled: October 24, 2006Date of Patent: January 31, 2012Assignee: Caregen Co., Ltd.Inventors: Yong Ji Chung, Young Deug Kim, Chung Ryul Kim
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Publication number: 20110160131Abstract: The present invention relates to a growth factor-mimicking peptide having an activity of the growth factor, and a composition and a method for improving skin conditions or for treating a wound using the same. The growth factor-mimicking peptides of this invention have identical functions or actions to natural-occurring human growth factor, and much better stability and skin penetration potency than natural-occurring growth factor. In these connections, the composition comprising the peptides of this invention can exhibit excellent efficacies on the treatment, prevention and improvement of diseases or conditions demanding growth factor activities. In addition, excellent activity and stability of the peptides of this invention can be advantageously applied to pharmaceutical compositions, quasi-drugs and cosmetics.Type: ApplicationFiled: March 6, 2009Publication date: June 30, 2011Applicant: Caregen Co., Ltd.Inventors: Yong-Ji Chung, Young Deug Kim, Eun Mi Kim, Jun Young Choi
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Patent number: 7939495Abstract: Provided is a method for improving a skin condition or treating a periodontal disease, which includes administering to a subject a composition including a basic fibroblast growth factor-derived peptide as an active ingredient. The present method effectively improves skin conditions and treats periodontal diseases. In addition, the present peptides can be applied to pharmaceutical compositions, cosmetics, toothpaste and compositions for mouth cleaning and care.Type: GrantFiled: October 24, 2006Date of Patent: May 10, 2011Assignee: Caregen Co., LtdInventors: Yong Ji Chung, Young Deug Kim, Chung Ryul Kim
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Publication number: 20100278756Abstract: The present invention relates to a peptide having the activity of insulin like growth factor-1 (IGF-1) and derived from IGF-1, a composition for improving skin conditions or treating a periodontal disease comprising the peptide. The IGF-1 mimicking peptides of this invention have identical functions or actions to natural-occurring IGF-1 and much better stability and skin permeation than natural-occurring IGF-1. In these connections, the composition comprising the peptides of this invention can exhibit excellent efficacies on the treatment, prevention and improvement of diseases or conditions demanding IGF-1 activities. In addition, the peptides of this invention can be advantageously applied to pharmaceutical compositions, quasi-drugs and cosmetics.Type: ApplicationFiled: March 12, 2010Publication date: November 4, 2010Applicant: CAREGEN CO., LTDInventors: Yong Ji Chung, Young Deug Kim, Eun Mi Kim
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Publication number: 20100160238Abstract: The present invention relates to a GFP-CAP peptide having an amino acid sequence derived from TGF-?1 (transforming growth factor-?1) and a cell adhesion sequence, wherein the amino acid sequence derived from TGF-?1 consists of the amino acid sequence of SEQ ID NO:1 and the TGFP-CAP peptide is represented by the following formula I: Ile-Trp-Ser-Leu-Asp-Thr-Gln-Tyr-Cell adhesion sequence (I). The TGFP-CAP peptide of the present invention exhibits excellent anti-angiogenic activity. In addition, the TGFP-CAP peptide of the present invention prevents effectively melanin generation in skin to have skin whitening effects. The present peptide shows much higher stability and permeability to skin than natural-occurring TGF-?1. Such plausible activities and safety of the present peptide enable advantageously to application to drugs, quasi-drugs and cosmetics.Type: ApplicationFiled: September 12, 2007Publication date: June 24, 2010Applicant: Caregen Co., LtdInventors: Yong Ji Chung, Young Deug Kim, Eun Mi Kim, Jun Young Choi, Jin Seuk Kim, Sang Su Song, Kyoung Mi Cho
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Publication number: 20100120696Abstract: The present invention relates to peptides comprising the amino acid sequence represented by the following formula 1 and having the activities of epidermal growth factor and their uses: Cys-Met-Tyr-Ile-Glu-Linker-Arg-Gly-Asp (1) The EGF-mimicking peptides of the present invention possess identical functions or activities to natural-occurring human EGF and are able to promote the generation of autocrine EGF in cells. In addition the peptides of the present invention are much higher stability and skin penetration potency than natural-occurring EGF. Therefore, the composition containing the peptide exhibits excellent treatment and prevention efficacies on diseases or conditions demanding EGF activities, and can be advantageously applied to pharmaceutical compositions, quasi-drugs and cosmetics.Type: ApplicationFiled: October 8, 2007Publication date: May 13, 2010Applicant: CAREGEN CO., LTDInventors: Yong-Ji Chung, Young Deug Kim, Eun Mi Kim, Jun Young Choi, Sang Su Song