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Hou LS, Zhai XP, Zhang YW, Xing JH, Li C, Zhou SY, Zhu XH, Zhang BL. Targeted inhibition of autophagy in hepatic stellate cells by hydroxychloroquine: An effective therapeutic approach for the treatment of liver fibrosis. Liver Int 2024; 44:1937-1951. [PMID: 38606676 DOI: 10.1111/liv.15915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 03/13/2024] [Accepted: 03/17/2024] [Indexed: 04/13/2024]
Abstract
BACKGROUND AND PURPOSE Liver fibrosis is a wound-healing reaction which is the main cause of chronic liver diseases worldwide. The activated hepatic stellate cell (aHSC) is the main driving factor in the development of liver fibrosis. Inhibiting autophagy of aHSC can prevent the progression of liver fibrosis, but inhibiting autophagy of other liver cells has opposite effects. Hence, targeted inhibition of autophagy in aHSC is quite necessary for the treatment of liver fibrosis, which prompts us to explore the targeted delivery system of small molecule autophagy inhibitor hydroxychloroquine (HCQ) that can target aHSC and alleviate the liver fibrosis. METHODS The delivery system of HCQ@retinol-liposome nanoparticles (HCQ@ROL-LNPs) targeting aHSC was constructed by the film dispersion and pH-gradient method. TGF-β-induced HSC activation and thioacetamide (TAA)-induced liver fibrosis mice model were established, and the targeting ability and therapeutic effect of HCQ@ROL-LNPs in liver fibrosis were studied subsequently in vitro and in vivo. RESULTS HCQ@ROL-LNPs have good homogeneity and stability. They inhibited the autophagy of aHSC selectively by HCQ and reduced the deposition of extracellular matrix (ECM) and the damage to other liver cells. Compared with the free HCQ and HCQ@LNPs, HCQ@ROL-LNPs had good targeting ability, showing enhanced therapeutic effect and low toxicity to other organs. CONCLUSION Construction of HCQ@ROL-LNPs delivery system lays a theoretical and experimental foundation for the treatment of liver fibrosis and promotes the development of clinical therapeutic drugs for liver diseases.
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Affiliation(s)
- Li-Shuang Hou
- Department of Pharmaceutics, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Xiao-Pei Zhai
- Department of Pharmaceutics, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Yao-Wen Zhang
- Department of Pharmaceutics, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Jie-Hua Xing
- Department of Pharmaceutics, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Chen Li
- Department of Pharmaceutics, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Si-Yuan Zhou
- Department of Pharmaceutics, School of Pharmacy, Fourth Military Medical University, Xi'an, China
- Key Laboratory of Pharmacology of the State Administration of Traditional Chinese Medicine, Fourth Military Medical University, Xi'an, China
| | - Xiao-Hong Zhu
- Department of Drug Quality Management, Shannxi Institute for Food and Drug Control, Xi'an, China
| | - Bang-Le Zhang
- Department of Pharmaceutics, School of Pharmacy, Fourth Military Medical University, Xi'an, China
- Key Laboratory of Pharmacology of the State Administration of Traditional Chinese Medicine, Fourth Military Medical University, Xi'an, China
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Errante F, Pallecchi M, Bartolucci G, Frediani E, Margheri F, Giovannelli L, Papini AM, Rovero P. Retro-Inverso Collagen Modulator Peptide Derived from Serpin A1 with Enhanced Stability and Activity In Vitro. J Med Chem 2024. [PMID: 38470817 DOI: 10.1021/acs.jmedchem.4c00137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2024]
Abstract
The rising demand for novel cosmeceutical ingredients has highlighted peptides as a significant category. Based on the collagen turnover modulation properties of SA1-III, a decapeptide derived from a serine protease inhibitor (serpin A1), this study focused on designing shorter, second-generation peptides endowed with improved properties. A tetrapeptide candidate was further modified employing the retro-inverso approach that uses d-amino acids aiming to enhance peptide stability against dermal enzymes. Surprisingly, the modified peptide AAT11RI displayed notably high activity in vitro, as compared to its precursors, and suggested a mode of action based on the inhibition of collagen degradation. It is worth noting that AAT11RI showcases stability against dermal enzymes contained in human skin homogenates due to its rationally designed structure that hampers recognition by most proteases. The rational approach we embraced in this study underscored the added value of substantiated claims in the design of new cosmeceutical ingredients, representing a rarity in the field.
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Affiliation(s)
- Fosca Errante
- Department of Neurosciences, Psychology, Drug Research and Child Health, University of Florence, Sesto Fiorentino, FI 50019, Italy
- Interdepartmental Laboratory of Peptide and Protein Chemistry and Biology, University of Florence, Sesto Fiorentino, FI 50019, Italy
- Espikem s.r.l., Prato, PO 59100, Italy
| | - Marco Pallecchi
- Department of Neurosciences, Psychology, Drug Research and Child Health, University of Florence, Sesto Fiorentino, FI 50019, Italy
| | - Gianluca Bartolucci
- Department of Neurosciences, Psychology, Drug Research and Child Health, University of Florence, Sesto Fiorentino, FI 50019, Italy
| | - Elena Frediani
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Firenze, FI 50139, Italy
| | - Francesca Margheri
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Firenze, FI 50139, Italy
| | - Lisa Giovannelli
- Department of Neurosciences, Psychology, Drug Research and Child Health, University of Florence, Firenze, FI 50139, Italy
| | - Anna M Papini
- Interdepartmental Laboratory of Peptide and Protein Chemistry and Biology, University of Florence, Sesto Fiorentino, FI 50019, Italy
- Department of Chemistry "Ugo Schiff", University of Florence, Sesto Fiorentino, FI 50019, Italy
| | - Paolo Rovero
- Department of Neurosciences, Psychology, Drug Research and Child Health, University of Florence, Sesto Fiorentino, FI 50019, Italy
- Interdepartmental Laboratory of Peptide and Protein Chemistry and Biology, University of Florence, Sesto Fiorentino, FI 50019, Italy
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Ledwoń P, Goldeman W, Hałdys K, Jewgiński M, Calamai G, Rossowska J, Papini AM, Rovero P, Latajka R. Tripeptides conjugated with thiosemicarbazones: new inhibitors of tyrosinase for cosmeceutical use. J Enzyme Inhib Med Chem 2023; 38:2193676. [PMID: 37146256 PMCID: PMC10165932 DOI: 10.1080/14756366.2023.2193676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/07/2023] Open
Abstract
The development of skin-care products is recently growing. Cosmetic formulas containing active ingredients with proven efficacy, namely cosmeceuticals, are based on various compounds, including peptides. Different whitening agents featuring anti-tyrosinase activity have been applied in the cosmeceutical field. Despite their availability, their applicability is often limited due to several drawbacks including toxicity, lack of stability, and other factors. In this work, we present the inhibitory effect on diphenolase activity of thiosemicarbazone (TSC)-peptide conjugates. Tripeptides FFY, FWY, and FYY were conjugated with three TSCs bearing one or two aromatic rings via amide bond formation in a solid phase. Compounds were then examined as tyrosinase and melanogenesis inhibitors in murine melanoma B16F0 cell line, followed by the cytotoxicity assays of these cells. In silico investigations explained the differences in the activity, observed among tested compounds. Mushroom tyrosinase was inhibited by TSC1-conjugates at micromolar level, with IC50 lower than this for kojic acid, a widely used reference compound. Up to now, this is the first report regarding thiosemicarbazones conjugated with tripeptides, synthesised for the purpose of tyrosinase inhibition.
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Affiliation(s)
- Patrycja Ledwoń
- Department of Bioorganic Chemistry, Faculty of Chemistry, Wroclaw University of Science and Technology, Wrocław, Poland
- Interdepartmental Research Unit of Peptide and Protein Chemistry and Biology, Department of Neurosciences, Psychology, Drug Research and Child Health Section of Pharmaceutical Sciences and Nutraceutics, University of Florence, Sesto Fiorentino, Italy
| | - Waldemar Goldeman
- Department of Organic and Medicinal Chemistry, Faculty of Chemistry, Wroclaw University of Science and Technology, Wrocław, Poland
| | - Katarzyna Hałdys
- Department of Bioorganic Chemistry, Faculty of Chemistry, Wroclaw University of Science and Technology, Wrocław, Poland
| | - Michał Jewgiński
- Department of Bioorganic Chemistry, Faculty of Chemistry, Wroclaw University of Science and Technology, Wrocław, Poland
| | - Greta Calamai
- Interdepartmental Research Unit of Peptide and Protein Chemistry and Biology, Department of Neurosciences, Psychology, Drug Research and Child Health Section of Pharmaceutical Sciences and Nutraceutics, University of Florence, Sesto Fiorentino, Italy
| | - Joanna Rossowska
- Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Science, Wrocław, Poland
| | - Anna Maria Papini
- Interdepartmental Research Unit of Peptide and Protein Chemistry and Biology, Department of Chemistry "Ugo Schiff", University of Florence, Sesto Fiorentino, Italy
| | - Paolo Rovero
- Interdepartmental Research Unit of Peptide and Protein Chemistry and Biology, Department of Neurosciences, Psychology, Drug Research and Child Health Section of Pharmaceutical Sciences and Nutraceutics, University of Florence, Sesto Fiorentino, Italy
| | - Rafał Latajka
- Department of Bioorganic Chemistry, Faculty of Chemistry, Wroclaw University of Science and Technology, Wrocław, Poland
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Yuan W, Ferreira LDAQ, Yu B, Ansari S, Moshaverinia A. Dental-derived stem cells in tissue engineering: the role of biomaterials and host response. Regen Biomater 2023; 11:rbad100. [PMID: 38223292 PMCID: PMC10786679 DOI: 10.1093/rb/rbad100] [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] [Received: 06/27/2023] [Revised: 10/31/2023] [Accepted: 11/07/2023] [Indexed: 01/16/2024] Open
Abstract
Dental-derived stem cells (DSCs) are attractive cell sources due to their easy access, superior growth capacity and low immunogenicity. They can respond to multiple extracellular matrix signals, which provide biophysical and biochemical cues to regulate the fate of residing cells. However, the direct transplantation of DSCs suffers from poor proliferation and differentiation toward functional cells and low survival rates due to local inflammation. Recently, elegant advances in the design of novel biomaterials have been made to give promise to the use of biomimetic biomaterials to regulate various cell behaviors, including proliferation, differentiation and migration. Biomaterials could be tailored with multiple functionalities, e.g., stimuli-responsiveness. There is an emerging need to summarize recent advances in engineered biomaterials-mediated delivery and therapy of DSCs and their potential applications. Herein, we outlined the design of biomaterials for supporting DSCs and the host response to the transplantation.
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Affiliation(s)
- Weihao Yuan
- Weintraub Center for Reconstructive Biotechnology, Section of Prosthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Luiza de Almeida Queiroz Ferreira
- Weintraub Center for Reconstructive Biotechnology, Section of Prosthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
- Department of Restorative Dentistry, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Bo Yu
- Section of Restorative Dentistry, School of Dentistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Sahar Ansari
- Weintraub Center for Reconstructive Biotechnology, Section of Prosthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Alireza Moshaverinia
- Weintraub Center for Reconstructive Biotechnology, Section of Prosthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California, Los Angeles, Los Angeles, CA 90095, USA
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Abstract
Africa is counted amongst the cosmetic market contributors; however, South Africa’s remarkable plant diversity is still largely untapped in terms of its potential for medicinal and cosmetic purposes. Thus, we aim to provide a critical assessment of the advancements made in South African cosmeceuticals with emphasis towards online local companies/brands that are manufactured by small, medium and micro enterprises (SMMEs). For the current study, we limited our search of herbal cosmeceutical products to SMMEs with online websites, or products traded in other online cosmetic directories such as ‘Faithful to Nature’ and ‘African Botanicals’ using a simple Google search. We recorded more than 50 South African SMME companies/brands involved in the trade of cosmeceuticals. Skin and hair care were the major product categories widely traded in these online platforms. Furthermore, few patents were recorded from South African researchers and institutions thereof, which is quite alarming considering the extensive research that has been undertaken to study these commercially valuable plants. Based on the increasing number of new products and the wide pool of economically important plants coupled to their associated rich indigenous knowledge systems, the cosmeceutical sector can contribute to the economy, job creation, entrepreneurship skills, socio-economic development and intellectual property generation.
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Zhang Q, Qiao S, Yang C, Jiang G. Nuclear factor-kappa B and effector molecules in photoaging. Cutan Ocul Toxicol 2022; 41:187-193. [PMID: 35658705 DOI: 10.1080/15569527.2022.2081702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Nuclear factor-kappa B (NF-κB) has important but complex functions in the photoaging of the human skin. This protein complex is activated upon UV irradiation and plays a key role in the signalling pathway of the inflammatory cascade. NF-κB induces the expression of various proinflammatory cytokines, such as tumour necrosis factor (TNF) and interleukin-1 (IL-1). These proinflammatory cytokines can in turn stimulate the activation of NF-κB, forming a vicious cycle. These processes cause chronic inflammation and contribute to skin ageing. In addition, the activation of NF-κB upregulates the expression of matrix metalloproteinases (MMPs) and leads to the degradation of structural proteins in the dermis. NF-κB disrupts the barrier function of the skin under prolonged and repeated UV stimulations in these ways. Such activity causes chronic skin damage, followed by the formation of wrinkles, dryness, roughness, laxity, and other photoaging manifestations. This study on the NF-κB signalling pathway and effector molecules provides a new perspective to understand and prevent photoaging.
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Affiliation(s)
- Qiang Zhang
- Department of Dermatology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Department of Dermatology, Xuzhou Medical University, Xuzhou, China
| | - Shiyun Qiao
- Department of Dermatology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Department of Dermatology, Xuzhou Medical University, Xuzhou, China
| | - Chunsheng Yang
- Department of Dermatology, The Affiliated Huai'an Hospital of Xuzhou Medical University, The Second People's Hospital of Huai'an, Huai'an, China
| | - Guan Jiang
- Department of Dermatology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Department of Dermatology, Xuzhou Medical University, Xuzhou, China
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