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Mostafa DA, Hashad AM, Abou El-Ezz D, Ragab MF, Khalifa MKA. Electrospun PVA nanofiber mat for topical Deflazacort delivery: accentuated anti-inflammatory efficacy for wound healing. Pharm Dev Technol 2023; 28:884-895. [PMID: 37830868 DOI: 10.1080/10837450.2023.2270057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 10/09/2023] [Indexed: 10/14/2023]
Abstract
PURPOSE Asses the wound healing activity of Polyvinyl alcohol - Deflazacort (PVA-DEF) nanofibers mats synthesized by electrospinning technology. METHODS PVA-DEF nanofiber mats were created with various PVA polymer concentrations using an electrospinning process. The morphological features and diameter of the electrospun nanofibrous mats were investigated using scanning electron microscopy (SEM). The in vitro DEF release rate from PVA electrospun nanofibrous mats was evaluated. In addition to assessing wound healing activity in vivo, histological, and immunochemical tests were conducted. RESULTS Results revealed a uniform and smooth surface of the fiber with an average diameter of the selected fibers of 533.9 nm ± 45.83. Also, PVA electrospun nanofiber mats showed an initial burst release of more than 50% of the DEF in 1 h, and the rest of the DEF was released gradually for up to 480 min. Fickian diffusion is the main DEF release mechanism from PVA electrospun nanofiber mats. In male Wistar albino rats with 1 cm2 excision wounds, in vivo studies revealed a significant improvement in wound healing rate via modulation of tumor necrosis factor-alpha (TNF-α) and vascular endothelial growth factor (VEGF) expression. CONCLUSION PVA-DEF nanofiber mats can be used effectively for improving wound healing.
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Affiliation(s)
- Dalia A Mostafa
- Pharmaceutics Department, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), Giza, Egypt
| | - Amira Mostafa Hashad
- Pharmaceutics Department, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), Giza, Egypt
| | - Doaa Abou El-Ezz
- Pharmacology and Toxicology Department, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), Giza, Egypt
| | - Mai F Ragab
- Pharmacology Department, School of Life and Medical Sciences, University of Hertfordshire Hosted by Global Academic Foundation, Cairo, Egypt
| | - Maha K A Khalifa
- Pharmaceutics and Pharmaceutical Technology Department, Faculty of Pharmacy, Al-Azhar University (Girls), Cairo, Egypt
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Mekky RY, Ragab MF, Manie T, Attia AA, Youness RA. MALAT-1: Immunomodulatory lncRNA hampering the innate and the adaptive immune arms in triple negative breast cancer. Transl Oncol 2023; 31:101653. [PMID: 36907052 PMCID: PMC10025146 DOI: 10.1016/j.tranon.2023.101653] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/05/2023] [Accepted: 03/05/2023] [Indexed: 03/13/2023] Open
Abstract
BACKGROUND Triple negative breast cancer (TNBC) is known as hot immunogenic tumor. Yet, it is one of the most aggressive BC subtypes. TNBC evolve several tactics to evade the immune surveillance phenomena, one of which is shedding of natural killer (NK) cells activating immune ligands such as MICA/B and/or by inducing the expression of the immune checkpoints such as PD-L1 and B7-H4. MALAT-1 is an oncogenic lncRNA. MALAT-1 immunogenic profile is not well investigated. AIM The study aims at exploring the immunogenic role of MALAT-1 in TNBC patients and cell lines and to identify its molecular mechanism in altering both innate and adaptive immune cells present at the tumor microenvironment of TNBC METHODS: BC patients (n = 35) were recruited. Primary NK cells and cytotoxic T lymphocytes were isolated from normal individuals using the negative selection method. MDA-MB-231 cells were cultured and transfected by several oligonucleotides by lipofection technique. Screening of ncRNAs was performed using q-RT-PCR. Immunological functional analysis experiments were performed upon co-culturing primary natural killer cells and cytotoxic T lymphocytes using LDH assay. Bioinformatics analysis was performed to identify potential microRNAs targeted by MALAT-1. RESULTS MALAT-1 expression was significantly upregulated in BC patinets with a profound expression in TNBC patients compared to their normal counterparts. Correlation analysis revealed a positive correlation between MALAT-1, tumor size and lymph node metastasis. Knocking down of MALAT-1 in MDA-MB-231 cells resulted in a significant induction of MICA/B, repression of PD-L1 and B7-H4 expression levels. Enhancement of cytotoxic activity of co-cultured NK and CD8+ cells with MALAT-1 siRNAs transfected MDA-MB-231 cells. In silico analysis revealed that miR-34a and miR-17-5p are potential targets to MALAT-1; accordingly, they were found to be downregulated in BC patients. Forcing the expression of miR-34a in MDA-MB-231 cells resulted in a significant induction in MICA/B levels. Ectopic expression of miR-17-5p in MDA-MB-231 cells significantly repressed the expression of PD-L1 and B7-H4 checkpoints. Validations of MALAT-1/miR-34a" and "MALAT-1/miR-17-5p axes were performed by a series of co-transfections and functional assessment of cytotoxic profile of primary immune cells. CONCLUSION This study proposes a novel epigenetic alteration exerted by TNBC cells mainly by inducing the expression of MALAT-1 lncRNA. MALAT-1 mediates innate and adaptive immune suppression events partially via targeting miR-34a/MICA/B and miR-175p/PD-L1/B7-H4 axes in TNBC patients and cell lines.
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Affiliation(s)
- Radwa Y Mekky
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA University), Cairo 12622, Egypt
| | - Mai F Ragab
- Pharmacology Department, School of Life and Medical Sciences, University of Hertfordshire Hosted by Global Academic Foundation, Cairo 11835, Egypt
| | - Tamer Manie
- Department of Breast Surgery, National Cancer Institute, Cairo University, Cairo, Egypt
| | - Abdelrahman A Attia
- General Surgery Department, Ain Shams University, Demerdash Hospital, Cairo, Egypt
| | - Rana A Youness
- Biology and Biochemistry Department, Molecular Genetics Research Team (MGRT), School of Life and Medical Sciences, University of Hertfordshire Hosted by Global Academic Foundation, Cairo 11835, Egypt.
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Zewail M, Gaafar PME, Youssef NAHA, Ali ME, Ragab MF, Kamal MF, Noureldin MH, Abbas H. Novel Siprulina platensis Bilosomes for Combating UVB Induced Skin Damage. Pharmaceuticals (Basel) 2022; 16:ph16010036. [PMID: 36678533 PMCID: PMC9865528 DOI: 10.3390/ph16010036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/16/2022] [Accepted: 12/23/2022] [Indexed: 12/29/2022] Open
Abstract
The recent interest in bioactive compounds from natural sources has led to the evolution of the skin care industry. Efforts to develop biologically active ingredients from natural sources have resulted in the emergence of enhanced skin care products. Spirulina (SPR), a nutritionally enriched cyanobacteria-type microalga, is rich in nutrients and phytochemicals. SPR possesses antioxidant, immunomodulatory, and anti-inflammatory activities. Spirulina-loaded bilosomes (SPR-BS), a novel antiaging drug delivery system, were designed for the first time by incorporation in a lecithin−bile salt-integrated system for bypassing skin delivery obstacles. The optimized BS had good entrapment efficiency, small particle size, optimal zeta potential, and sustained drug release pattern. Blank and SPR-loaded BS formulations were safe, with a primary irritancy index of <2 based on the Draize test. In vivo tests were conducted, and photoprotective antiaging effects were evaluated visually and biochemically by analyzing antioxidant, anti-inflammatory, and anti-wrinkling markers following ultraviolet (UV) B irradiation. Results of biochemical marker analysis and histopathological examination confirmed the superior antiaging effect of SPR-BS compared with SPR. Thus, SPR-loaded BS is a promising nanoplatform for SPR delivery, can be used for treating UV-induced skin damage, and offers maximum therapeutic outcomes.
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Affiliation(s)
- Mariam Zewail
- Pharmaceutics Department, Faculty of Pharmacy, Damanhour University, Damanhour P.O. Box 22511, Egypt
| | - Passent M. E. Gaafar
- Department of Pharmaceutics, Division of Pharmaceutical Sciences, College of Pharmacy, Arab Academy for Science, Technology and Maritime Transport, Alexandria P.O. Box 1029, Egypt
| | - Nancy Abdel Hamid Abou Youssef
- Department of Pharmaceutics, Faculty of Pharmacy, Pharos University in Alexandria (PUA), Alexandria P.O. Box 21500, Egypt
| | - Merhan E. Ali
- Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza P.O. Box 12211, Egypt
| | - Mai F. Ragab
- Pharmacology Department, School of Life and Medical Sciences, University of Hertfordshire Hosted by Global Academic Foundation, Cairo P.O. Box 11835, Egypt
| | - Miranda F. Kamal
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Damanhour University, Damanhour P.O. Box 22511, Egypt
| | - Mohamed H. Noureldin
- Department of Biochemistry, Division of Clinical and Biological Sciences, College of Pharmacy, Arab Academy for Science, Technology and Maritime Transport, Alexandria P.O. Box 1029, Egypt
| | - Haidy Abbas
- Pharmaceutics Department, Faculty of Pharmacy, Damanhour University, Damanhour P.O. Box 22511, Egypt
- Correspondence: or ; Tel.: +20-122-345-9267
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Amer RI, Ezzat SM, Aborehab NM, Ragab MF, Mohamed D, Hashad A, Attia D, Salama MM, El Bishbishy MH. Downregulation of MMP1 expression mediates the anti-aging activity of Citrus sinensis peel extract nanoformulation in UV induced photoaging in mice. Biomed Pharmacother 2021; 138:111537. [PMID: 34311535 DOI: 10.1016/j.biopha.2021.111537] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 03/13/2021] [Accepted: 03/21/2021] [Indexed: 01/19/2023] Open
Abstract
Aging of the skin is a complicated bioprocess that is affected by constant exposure to ultraviolet irradiation. The application of herbal-based anti-aging creams is still the best choice for treatment. In the present study, Citrus sinensis L. fruit peels ethanolic extract (CSPE) was formulated into lipid nanoparticles (LNPs) anti-aging cream. Eight different formulations of CSEP-LNPs were prepared and optimized using 23 full factorial designs. In vivo antiaging effect of the best formula was tested in Swiss albino mice where photo-aging was induced by exposure to UV radiation. HPLC-QToF-MS/MS metabolic profiling of CSPE led to the identification of twenty-nine metabolites. CSPE was standardized to a hesperidin content of 15.53 ± 0.152 mg% using RP-HPLC. It was suggested that the optimized formulation (F7) had (245 nm) particle size, (91.065%) EE, and (91.385%) occlusive effect with a spherical and smooth surface. The visible appearance of UV-induced photoaging in mice was significantly improved after topical application on CSPE-NLC cream for 5 weeks, levels of collagen and SOD were significantly increased in CSPE- NLC group, while levels of PGE2, COX2, JNK, MDA, and elastin was reduced. Finally, The prepared anti-aging CSPE-NLC cream represents a safe, convenient, and promising skincare cosmetic product.
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Affiliation(s)
- Reham I Amer
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt; Department of Pharmaceutics, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), Giza 12451, Egypt
| | - Shahira M Ezzat
- Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo 11562, Egypt; Department of Pharmacognosy, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), Giza 12451, Egypt.
| | - Nora M Aborehab
- Department of Biochemistry, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), Giza 12451, Egypt
| | - Mai F Ragab
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), Giza 12451, Egypt
| | - Dalia Mohamed
- Department of Analytical Chemistry, Faculty of Pharmacy, Helwan University, Ein Helwan, Cairo 11795, Egypt; Department of Analytical Chemistry, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), Giza 12451, Egypt
| | - Amira Hashad
- Department of Pharmaceutics, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), Giza 12451, Egypt
| | - Dalia Attia
- Department of Pharmaceutics, Faculty of Pharmacy, The British University in Egypt, El Sherouk City, Suez Desert Road, Cairo 11837, Egypt
| | - Maha M Salama
- Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo 11562, Egypt; Department of Pharmacognosy, Faculty of Pharmacy, The British University in Egypt, El Sherouk City, Suez Desert Road, Cairo 11837, Egypt
| | - Mahitab H El Bishbishy
- Department of Pharmacognosy, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), Giza 12451, Egypt
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Mahmoud WR, Nissan YM, Elsawah MM, Refaey RH, Ragab MF, Amin KM. Neurobehavioral investigation and acetylcholinesterase inhibitory activity study for some new coumarin derivatives. Eur J Med Chem 2019; 182:111651. [DOI: 10.1016/j.ejmech.2019.111651] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 08/19/2019] [Accepted: 08/27/2019] [Indexed: 12/23/2022]
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