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Liu H, Dong J, Du R, Gao Y, Zhao P. Collagen study advances for photoaging skin. PHOTODERMATOLOGY, PHOTOIMMUNOLOGY & PHOTOMEDICINE 2024; 40:e12931. [PMID: 38009842 DOI: 10.1111/phpp.12931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 10/04/2023] [Accepted: 11/07/2023] [Indexed: 11/29/2023]
Abstract
BACKGROUND Collagen dominates the skin's extracellular matrix (ECM). Type I collagen comprises 80%-90% of the skin's collagen, followed by type III (8%-12%) and type V (5%). Reactive oxygen species, matrix metalloproteinases, and collagen degradation all increase during photoaging, which disrupts the ECM's dynamic balance and lowers the amount of total collagen in the body. In recent years, domestic and foreign researchers have conducted multidimensional and multifaceted studies on collagen and skin photoaging. Collagen and the peptides that are derivates of it are currently being used more and more in biomedicine and medical esthetics. OBJECTIVE Offering new suggestions for both the avoidance and remedy of photoaging. METHODS This article reviews collagen and its potential connection to skin photoaging, illustrates the effects of collagen and peptide supplementation derivatives on photoaged skin, and briefly describes other compounds that can also be used to fight photoaging by increasing collagen synthesis in the skin. RESULT Both internal and external aging are inevitable, and as the main component of extracellular matrix, collagen plays a variety of functions in maintaining skin structure and fighting skin aging, and its role in photoaging is undeniable. Ultraviolet radiation can induce increased fragmentation and degradation of cutaneous collagen, while conversely, supplementation with collagen can effectively counteract photodamage-induced skin impairment. CONCLUSION Collagen and its derived peptides are indispensable in photoaging skin, holding promising prospects for applications in skin aging.
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Affiliation(s)
- Helei Liu
- Inner Mongolia Medical University, Hohhot, China
| | - Junjuan Dong
- Inner Mongolia Medical University, Hohhot, China
| | - Rina Du
- Inner Mongolian International Mongolian Hospital, Hohhot, China
| | - Yaoxing Gao
- Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Pengwei Zhao
- Inner Mongolia Medical University, Hohhot, China
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Dewi DAR, Arimuko A, Norawati L, Yenny SW, Setiasih NL, Perdiyana A, Arkania N, Nadhira F, Wiliantari N. Exploring the Impact of Hydrolyzed Collagen Oral Supplementation on Skin Rejuvenation: A Systematic Review and Meta-Analysis. Cureus 2023; 15:e50231. [PMID: 38192916 PMCID: PMC10773595 DOI: 10.7759/cureus.50231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/09/2023] [Indexed: 01/10/2024] Open
Abstract
With increasing life expectancy, the quest for skin rejuvenation has gained prominence among individuals of diverse age groups. The popularity of nutricosmetics, notably dietary supplements, has garnered significant attention in recent years. Many scientific investigations have amassed compelling evidence highlighting the positive impact of hydrolyzed collagen supplementation in mitigating the visible signs of skin aging. This study aims to know the powerful effect of hydrolyzed collagen on the skin. This research method is to conduct a systematic review followed by a meta-analysis of the clinical trial focusing on randomized, double-blind, and controlled trials that examined the oral consumption of hydrolyzed collagen and reported outcomes related to skin aging, wrinkles, moisture levels, elasticity, and firmness. The selected articles from CENTRAL, PubMed, Google Scholar, and ScienceDirect databases were published from 2017 to 2023. The subsequent meta-analysis, comprising 14 distinct studies and a collective cohort of 967 participants, revealed encouraging findings favoring hydrolyzed collagen supplementation. It consistently demonstrated substantial enhancements in skin moisture levels and elasticity compared to the placebo group, a trend robustly corroborated by subgroup analysis. These compelling findings underscore the effectiveness of a 12-week regimen of hydrolyzed collagen supplementation in revitalizing the skin by augmenting its hydration and elasticity.
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Affiliation(s)
- Dian Andriani Ratna Dewi
- Department of Dermatovenereology, The Republic of Indonesia Defense University, Bogor, IDN
- Department of Dermatovenereology, Gatot Soebroto Army Hospital, Central Jakarta, IDN
| | - Abraham Arimuko
- Department of Dermatovenereology, Gatot Soebroto Army Hospital, Central Jakarta, IDN
| | - Lilik Norawati
- Department of Dermatovenereology, Gatot Soebroto Army Hospital, Central Jakarta, IDN
| | - Satya W Yenny
- Department of Dermatovenereology, Faculty of Medicine, Andalas University, Padang, IDN
| | - Nenden L Setiasih
- Department of Dermatovenereology, Faculty of Medicine, Yarsi University, Central Jakarta, IDN
| | - Angki Perdiyana
- Department of Dermatovenereology, Faculty of Military Medicine, The Republic of Indonesia Defense University, Bogor, IDN
| | - Nabila Arkania
- Department of Dermatovenereology, Faculty of Medicine, Public Health, and Nursing, Gadjah Mada University, Special Region of Yogyakarta, IDN
| | - Farrasila Nadhira
- Department of Dermatovenereology, Ratna Dewi Principal Clinic, Bekasi, IDN
| | - Ni Wiliantari
- Department of Dermatovenereology, Faculty of Military Medicine, The Republic of Indonesia Defense University, Bogor, IDN
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Shishido T, Ono Y, Kumazawa I, Iwai I, Suziki K. Artificial intelligence model substantially improves stratum corneum moisture content prediction from visible-light skin images and skin feature factors. Skin Res Technol 2023; 29:e13414. [PMID: 37632180 PMCID: PMC10363786 DOI: 10.1111/srt.13414] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 07/05/2023] [Indexed: 08/27/2023]
Abstract
BACKGROUND Appropriate skin treatment and care warrants an accurate prediction of skin moisture. However, current diagnostic tools are costly and time-consuming. Stratum corneum moisture content has been measured with moisture content meters or from a near-infrared image. OBJECTIVE Here, we establish an artificial intelligence (AI) alternative for conventional skin moisture content measurements. METHODS Skin feature factors positively or negatively correlated with the skin moisture content were created and selected by using the PolynomialFeatures(3) of scikit-learn. Then, an integrated AI model using, as inputs, a visible-light skin image and the skin feature factors were trained with 914 skin images, the corresponding skin feature factors, and the corresponding skin moisture contents. RESULTS A regression-type AI model using only a visible-light skin-containing image was insufficiently implemented. To improve the accuracy of the prediction of skin moisture content, we searched for new features through feature engineering ("creation of new factors") correlated with the moisture content from various combinations of the existing skin features, and have found that factors created by combining the brown spot count, the pore count, and/or the visually assessed skin roughness give significant correlation coefficients. Then, an integrated AI deep-learning model using a visible-light skin image and these factors resulted in significantly improved skin moisture content prediction. CONCLUSION Skin moisture content interacts with the brown spot count, the pore count, and/or the visually assessed skin roughness so that better inference of stratum corneum moisture content can be provided using a common visible-light skin photo image and skin feature factors.
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Affiliation(s)
- Tomoyuki Shishido
- Department of Information and Communications Engineering,Biomedical AI Research UnitTokyo Institute of TechnologyTokyoJapan
- Shishido & AssociatesTokyoJapan
| | | | - Itsuo Kumazawa
- Department of Information and Communications Engineering, Laboratory for Future Interdisciplinary Research of Science and TechnologyTokyo Institute of TechnologyTokyoJapan
| | - Ichiro Iwai
- Saticine MedicalResearch InstituteTokyoJapan
| | - Kenji Suziki
- Department of Information and Communications Engineering,Biomedical AI Research UnitTokyo Institute of TechnologyTokyoJapan
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Pu SY, Huang YL, Pu CM, Kang YN, Hoang KD, Chen KH, Chen C. Effects of Oral Collagen for Skin Anti-Aging: A Systematic Review and Meta-Analysis. Nutrients 2023; 15:2080. [PMID: 37432180 DOI: 10.3390/nu15092080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/07/2023] [Accepted: 04/18/2023] [Indexed: 07/12/2023] Open
Abstract
This paper presents a systematic review and meta-analysis of 26 randomized controlled trials (RCTs) involving 1721 patients to assess the effects of hydrolyzed collagen (HC) supplementation on skin hydration and elasticity. The results showed that HC supplementation significantly improved skin hydration (test for overall effect: Z = 4.94, p < 0.00001) and elasticity (test for overall effect: Z = 4.49, p < 0.00001) compared to the placebo group. Subgroup analyses demonstrated that the effects of HC supplementation on skin hydration varied based on the source of collagen and the duration of supplementation. However, there were no significant differences in the effects of different sources (p = 0.21) of collagen or corresponding measurements (p = 0.06) on skin elasticity. The study also identified several biases in the included RCTs. Overall, the findings suggest that HC supplementation can have positive effects on skin health, but further large-scale randomized control trials are necessary to confirm these findings.
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Affiliation(s)
- Szu-Yu Pu
- School of Medicine, College of Medicine, Taipei Medical University, Taipei City 110, Taiwan
| | - Ya-Li Huang
- Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei City 11031, Taiwan
| | - Chi-Ming Pu
- Division of Plastic Surgery, Department of Surgery, Cathay General Hospital, Taipei City 106, Taiwan
- School of Medicine, College of Life Science and Medicine, National Tsing Hua University, Hsinchu City 300, Taiwan
| | - Yi-No Kang
- Cochrane Taiwan, Taipei Medical University, Taipei City 110, Taiwan
- Evidence-Based Medicine Center, Wan Fang Hospital, Taipei Medical University, Taipei City 116, Taiwan
- Research Center of Big Data and Meta-Analysis, Wan Fang Hospital, Taipei Medical University, Taipei City 116079, Taiwan
- Institute of Health Policy and Management, College of Public Health, National Taiwan University, Taipei City 100, Taiwan
| | - Khanh Dinh Hoang
- Department of Histopathology, Hai Phong University of Medicine and Pharmacy, Hai Phong 04254, Vietnam
| | - Kee-Hsin Chen
- Cochrane Taiwan, Taipei Medical University, Taipei City 110, Taiwan
- Post-Baccalaureate Program in Nursing, College of Nursing, Taipei Medical University, Taipei City 11031, Taiwan
- Department of Nursing, Wan Fang Hospital, Taipei Medical University, Taipei City 11696, Taiwan
- Research Center in Nursing Clinical Practice, Wan Fang Hospital, Taipei Medical University, Taipei 11696, Taiwan
- Evidence-Based Knowledge Translation Center, Wan Fang Hospital, Taipei Medical University, Taipei City 11696, Taiwan
- School of Medicine, Faculty of Health and Medical Sciences, Taylor's University, Selangor 47500, Malaysia
| | - Chiehfeng Chen
- Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei City 11031, Taiwan
- Cochrane Taiwan, Taipei Medical University, Taipei City 110, Taiwan
- Evidence-Based Medicine Center, Wan Fang Hospital, Taipei Medical University, Taipei City 116, Taiwan
- Division of Plastic Surgery, Department of Surgery, Wan Fang Hospital, Taipei Medical University, Taipei City 116, Taiwan
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Nagae M, Isa A, Ishikawa S, Muta S, Shimizu K. Effect of Oral Intake of Flammulina velutipes (Enokitake) on Skin Condition in Healthy Adult Women: A Randomized, Double-Blind, Placebo-Controlled Study on Mental and Physical Health. COSMETICS 2023. [DOI: 10.3390/cosmetics10020057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023] Open
Abstract
Nutritional foods are concentrated sources of molecules with a nutritional or physiological effect which contain nutrients. There is a category, “nutricosmetics”, defined as ingestible natural health products that enhance the function and appearance of human skin, nails, and hair. A new variety of Flammulina velutipes (F. velutipes), Oki-Shirayuki 919, was explored to ascertain whether its components have functions of nutricosmetics. We focused on physiological effects for enhancing the human skin condition, such as moisturizing or barrier functions in F. velutipes. A randomized, double-blind, placebo-controlled clinical study was performed between January and March 2022. Among healthy men and women (n = 30) aged 20 to 59 years, the test group (n = 15) took a test product which included F. velutipes dry powder, and the placebo group (n = 15) took a placebo (a similar product in which the F. velutipes dry powder was replaced with plum fruit paste). Since the amount of increase in skin hydration over four weeks in the test group was significantly larger than that in the placebo group, a significant difference between the two groups was observed (p = 0.033). F. velutipe was suggested to have some physiological functions such as improving skin moisture.
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Lee M, Kim E, Ahn H, Son S, Lee H. Oral intake of collagen peptide NS improves hydration, elasticity, desquamation, and wrinkling in human skin: a randomized, double-blinded, placebo-controlled study. Food Funct 2023; 14:3196-3207. [PMID: 36916504 DOI: 10.1039/d2fo02958h] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
Abstract
Collagen hydrolysate, which contains bioactive peptides, is used as a dietary supplement for the refinement of elasticity, hydration, desquamation, and wrinkling of aging human skin. Here, we conducted a double-blind, randomized, and placebo-controlled oral administration study on the effects of a collagen peptide (CPNS) containing dipeptides, including Gly-Pro and Pro-Hyp, on skin wrinkling, desquamation, elasticity, and hydration. Our results show that an intake of 1650 mg per day of CPNS for 12 weeks had beneficial effects on skin health in a cohort of women aged from 30 to 60 years (n = 100). Compared with the placebo group, skin desquamation, hydration, skin wrinkling, and elasticity were significantly improved after 4, 4, 12, and 12 weeks of administration, respectively. In a safety test of CPNS ingestion, none of the participants showed any side effects during the clinical study period. These results demonstrate that the low molecular weight bioactive peptides contained in CPNS, such as Gly-Pro and Pro-Hyp, exert positive effects on skin hydration, elasticity, desquamation, and wrinkling.
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Affiliation(s)
- Miyeong Lee
- Mariedm Co., Ltd., 14, Pungseong-ro, Gangdong-gu, Seoul, Republic of Korea
| | - Eunjoung Kim
- Corederm Co., Ltd., 56, Jungdae-ro, Songpa-gu, Seoul, Republic of Korea
| | - Hyunwoo Ahn
- Department of Food Science and Biotechnology, Dongguk University-Seoul, 32, Dongguk-ro, Ilsandong-gu, Goyang-si, Gyeonggi-do, 410-820, Republic of Korea
| | - Seokjun Son
- Research & Development Center, Nong Shim Co., Ltd., 112, Yeouidaebang-ro, Dongjak-gu, Seoul, Republic of Korea.
| | - Hyunjun Lee
- Research & Development Center, Nong Shim Co., Ltd., 112, Yeouidaebang-ro, Dongjak-gu, Seoul, Republic of Korea.
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Wang Y, Sun Z, Zang G, Zhang L, Wang Z. Role of ceramides in diabetic foot ulcers (Review). Int J Mol Med 2023; 51:26. [PMID: 36799149 PMCID: PMC9943538 DOI: 10.3892/ijmm.2023.5229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 01/20/2023] [Indexed: 02/09/2023] Open
Abstract
Diabetes mellitus (DM) is a metabolic disorder, which if not managed properly, can lead to serious health problems over time and impose significant financial burden on the patient, their family and society as a whole. The study of this disease and the underlying biological mechanism is gaining momentum. Multiple pieces of conclusive evidence show that ceramides are involved in the occurrence and development of diabetes. The present review focuses on the function of ceramides, a type of sphingolipid signaling molecule, to provide a brief description of ceramides and their metabolism, discuss the significant roles of ceramides in the healthy skin barrier, and speculate on the potential involvement of ceramides in the pathogenesis and development of diabetic foot ulcers (DFUs). Understanding these aspects of this disease more thoroughly is crucial to establish how ceramides contribute to the etiology of diabetic foot infections and identify possible therapeutic targets for the treatment of DFUs.
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Affiliation(s)
| | | | | | | | - Zhongqun Wang
- Correspondence to: Dr Zhongqun Wang, Department of Cardiology, Affiliated Hospital of Jiangsu University, 438 Jiefang Road, Jingkou, Zhenjiang, Jiangsu 212001, P.R. China, E-mail:
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Shi J, Zeng Q, Wang P, Chang Q, Huang J, Wu M, Wang X, Wang H. A novel chlorin e6 derivative-mediated photodynamic therapy STBF-PDT reverses photoaging via the TGF-β pathway. Photodiagnosis Photodyn Ther 2023; 41:103321. [PMID: 36738905 DOI: 10.1016/j.pdpdt.2023.103321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/01/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023]
Abstract
OBJECTIVE Photoaging is characterized by wrinkles in the skin and the deterioration of the skin barrier function, mainly caused by long-term exposure to ultraviolet (UV) radiation. Photodynamic therapy (PDT) has been shown to treat photoaging. The novel photosensitizer ShengTaiBuFen(STBF) is a derived substance of Chlorin e6(Ce6) that can exert photodynamic effects directly. In this study, we investigated the availability and the mechanism of STBF-PDT in the treatment of photoaging. METHODS Fluorophotometer was used to determine therapeutic parameters for in vivo experiments. Camera photographs, dermoscopy, HE and Masson staining, skin pH, trans epidermal water loss (TEWL), epidermal water content, and sebum testing were used together to evaluate the results of the treatment. Dark toxicity and therapeutic parameters for in vitro experiments were determined by CCK8 analysis. Scratch assay was used to identify the cell migration of STBF-PDT on HaCaT cells. qPCR and Western blot were used to evaluate the TGF-β/Smad signaling pathway in human dermal fibroblast (HDF) cells. RESULTS We investigated the optimal STBF concentration and time of incubation in vivo and in vitro experiments. STBF-PDT improved the skin phenotype of photoaged mice. The skin of photoaged mice treated with 80 J/cm2 STBF-PDT became smooth, while skin flakes were reduced. The epidermis of STBF-PDT-treated mice was thinner, and the cells were neatly arranged, with increased dermal collagen. In vitro, STBF-PDT promoted the migration of HaCaT cells below a light dose of 0.1 J/cm2. HDF cells co-cultured with HaCaT cells treated with low-dose STBF-PDT showed activation of the TGF-β pathway. CONCLUSION As a novel photosensitizer, STBF-mediated low-dose PDT could reverse photoaging via the TGF-β pathway.
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Affiliation(s)
- Jingjuan Shi
- Department of Dermatology, Huadong Hospital, Fudan University, Shanghai 200040, China
| | - Qingyu Zeng
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200050, China
| | - Peiru Wang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200050, China
| | - Qihang Chang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200050, China
| | - Jianhua Huang
- Department of Dermatology, Huadong Hospital, Fudan University, Shanghai 200040, China
| | - Minfeng Wu
- Department of Dermatology, Huadong Hospital, Fudan University, Shanghai 200040, China
| | - Xiuli Wang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200050, China.
| | - Hongwei Wang
- Department of Dermatology, Huadong Hospital, Fudan University, Shanghai 200040, China.
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Food-derived collagen peptides: safety, metabolism, and anti-skin-aging effects. Curr Opin Food Sci 2023. [DOI: 10.1016/j.cofs.2023.101012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
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Lin L, Wang X, Niu M, Wu Q, Wang H, Zu Y, Wang W. Biomimetic epithelium/endothelium on chips. ENGINEERED REGENERATION 2022. [DOI: 10.1016/j.engreg.2022.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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