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Dhaked DK, Nicklaus MC. What impact does tautomerism have on drug discovery and development? Expert Opin Drug Discov 2024:1-6. [PMID: 39014878 DOI: 10.1080/17460441.2024.2379873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Accepted: 07/10/2024] [Indexed: 07/18/2024]
Affiliation(s)
- Devendra K Dhaked
- Department of Pharmacoinformatics, National Institute of Pharmaceutical Education and Research (NIPER), Kolkata, India
| | - Marc C Nicklaus
- Computer-Aided Drug Design Group, Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, NIH, Frederick, MD, USA
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2
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Mesut B, Al-Mohaya M, Gholap AD, Yeşilkaya E, Das U, Akhtar MS, Sah R, Khan S, Moin A, Faiyazuddin M. Demystifying the potential of lipid-based nanocarriers in targeting brain malignancies. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03212-6. [PMID: 38963550 DOI: 10.1007/s00210-024-03212-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 06/02/2024] [Indexed: 07/05/2024]
Abstract
Drug targeting for brain malignancies is restricted due to the presence of the blood-brain barrier (BBB) and blood-brain tumor barrier (BBTB), which act as barriers between the blood and brain parenchyma. Certainly, the limited therapeutic options for brain malignancies have made notable progress with enhanced biological understanding and innovative approaches, such as targeted therapies and immunotherapies. These advancements significantly contribute to improving patient prognoses and represent a promising shift in the landscape of brain malignancy treatments. A more comprehensive understanding of the histology and pathogenesis of brain malignancies is urgently needed. Continued research focused on unraveling the intricacies of brain malignancy biology holds the key to developing innovative and tailored therapies that can improve patient outcomes. Lipid nanocarriers are highly effective drug delivery systems that significantly improve their solubility, bioavailability, and stability while also minimizing unwanted side effects. Surface-modified lipid nanocarriers (liposomes, niosomes, solid lipid nanoparticles, nanostructured lipid carriers, lipid nanocapsules, lipid-polymer hybrid nanocarriers, lipoproteins, and lipoplexes) are employed to improve BBB penetration and uptake through various mechanisms. This systematic review illuminates and covers various topics related to brain malignancies. It explores the different methods of drug delivery used in treating brain malignancies and delves into the benefits, limitations, and types of brain-targeted lipid-based nanocarriers. Additionally, this review discusses ongoing clinical trials and patents related to brain malignancy therapies and provides a glance into future perspectives for treating this condition.
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Affiliation(s)
- Burcu Mesut
- Pharmaceutical Technology Department, Faculty of Pharmacy, Istanbul University, Istanbul, 34216, Turkey
| | - Mazen Al-Mohaya
- Institute of Health Sciences, Istanbul University, Istanbul, 34216, Turkey
| | - Amol D Gholap
- Department of Pharmaceutics, St. John Institute of Pharmacy and Research, Palghar, 401404, Maharashtra, India
| | - Eda Yeşilkaya
- Institute of Health Sciences, Istanbul University, Istanbul, 34216, Turkey
| | - Ushasi Das
- Pharmaceutical Technology Department, Jadavpur University, Kolkata, West Bengal, India
| | - Mohammad Shabib Akhtar
- Department of Clinical Pharmacy, College of Pharmacy, Najran University, Najran, Kingdom of Saudi Arabia
| | - Ranjit Sah
- Department of Microbiology, Institute of Medicine, Tribhuvan University Teaching Hospital, Kathmandu, 44600, Nepal.
- Department of Microbiology, Dr. D. Y. Patil Medical College, Hospital and Research Centre, Dr. D. Y. Patil Vidyapeeth, Pune, 411018, Maharashtra, India.
- Department of Public Health Dentistry, Dr. D.Y. Patil Dental College and Hospital, Dr. D.Y. Patil Vidyapeeth, Pune, 411018, Maharashtra, India.
| | | | - Afrasim Moin
- Department of Pharmaceutics, College of Pharmacy, University of Hail, 2440, Hail, Saudi Arabia
| | - Md Faiyazuddin
- School of Pharmacy, Al - Karim University, Katihar, 854106, Bihar, India.
- Centre for Global Health Research, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India.
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Gholap AD, Pardeshi SR, Hatvate NT, Dhorkule N, Sayyad SF, Faiyazuddin M, Khalid M. Environmental implications and nanotechnological advances in octocrylene-enriched sunscreen formulations: A comprehensive review. CHEMOSPHERE 2024; 358:142235. [PMID: 38705416 DOI: 10.1016/j.chemosphere.2024.142235] [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: 02/17/2024] [Revised: 04/30/2024] [Accepted: 05/02/2024] [Indexed: 05/07/2024]
Abstract
Ultraviolet (UV) radiation is a major contributor to skin aging, cancer, and other detrimental health effects. Sunscreens containing FDA-approved UV filters, like avobenzone, offer protection but suffer from photodegradation and potential phototoxicity. Encapsulation, antioxidants, and photostabilizers are strategies employed to combat these drawbacks. Octocrylene, an organic UV filter, utilizes nanotechnology to enhance sun protection factor (SPF). This review examines recent literature on octocrylene-enriched sunscreens, exploring the interplay between environmental impact, nanotechnological advancements, and clinical trial insights. A critical focus is placed on the environmental consequences of sunscreen use, particularly the potential hazards UV filters pose to marine ecosystems. Research in the Mediterranean Sea suggests bacterial sensitivity to these filters, raising concerns about their integration into the food chain. This review aims to guide researchers in developing effective strategies for photostabilization of UV filters. By combining encapsulation, photostabilizers, and antioxidants, researchers can potentially reduce phototoxic effects and contribute to developing more environmentally friendly sunscreens.
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Affiliation(s)
- Amol D Gholap
- St. John Institute of Pharmacy and Research, Palghar, 401404, Maharashtra, India; Department of Pharmaceutics, Amrutvahini College of Pharmacy, Sangamner, 422608, Maharashtra, India
| | - Sagar R Pardeshi
- St. John Institute of Pharmacy and Research, Palghar, 401404, Maharashtra, India
| | - Navnath T Hatvate
- Institute of Chemical Technology, Marathwada Campus, Jalna, Maharashtra, 431203, India
| | - Nilesh Dhorkule
- St. John Institute of Pharmacy and Research, Palghar, 401404, Maharashtra, India
| | - Sadikali F Sayyad
- Department of Pharmaceutics, Amrutvahini College of Pharmacy, Sangamner, 422608, Maharashtra, India.
| | - Md Faiyazuddin
- School of Pharmacy, Al-Karim University, Katihar, Bihar, 854106, India; Centre for Global Health Research, Saveetha Institute of Medical and Technical Sciences, Tamil Nadu, India.
| | - Mohammad Khalid
- Sunway Centre for Electrochemical Energy and Sustainable Technology (SCEEST), School of Engineering and Technology, Sunway University, No. 5, Jalan University, Bandar Sunway, 47500, Petaling Jaya, Selangor, Malaysia; Centre of Research Impact and Outcome, Chitkara University, Punjab, 140401 India; Chitkara Centre for Research and Development, Chitkara University, Himachal Pradesh 174103, India.
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4
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Tlou M, Ndou B, Mabona N, Khwathisi A, Ateba C, Madala N, Serepa-Dlamini MH. Next generation sequencing-aided screening, isolation, molecular identification, and antimicrobial potential for bacterial endophytes from the medicinal plant, Elephantorrhiza elephantina. Front Microbiol 2024; 15:1383854. [PMID: 38855763 PMCID: PMC11160484 DOI: 10.3389/fmicb.2024.1383854] [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: 02/08/2024] [Accepted: 05/06/2024] [Indexed: 06/11/2024] Open
Abstract
Elephantorrhiza elephantina, a wild plant in southern Africa, is utilized in traditional medicine for various ailments, leading to its endangerment and listing on the Red List of South African Plants. To date, there have been no reports on bacterial endophytes from this plant, their classes of secondary metabolites, and potential medicinal properties. This study presents (i) taxonomic characterization of bacterial endophytes in leaf and root tissues using 16S rRNA, (ii) bacterial isolation, morphological, and phylogenetic characterization, (iii) bacterial growth, metabolite extraction, and LC-MS-based metabolite fingerprinting, and (iv) antimicrobial testing of bacterial crude extracts. Next-generation sequencing yielded 693 and 2,459 DNA read counts for the rhizomes and leaves, respectively, detecting phyla including Proteobacteria, Bacteroidota, Gemmatimonadota, Actinobacteriota, Verrucomicrobiota, Dependentiae, Firmicutes, and Armatimonodata. At the genus level, Novosphingobium, Mesorhizobium, Methylobacterium, and Ralstonia were the most dominant in both leaves and rhizomes. From root tissues, four bacterial isolates were selected, and 16S rRNA-based phylogenetic characterization identified two closely related Pseudomonas sp. (strain BNWU4 and 5), Microbacterium oxydans BNWU2, and Stenotrophomonas maltophilia BNWU1. The ethyl acetate:chloroform (1:1 v/v) organic extract from each isolate exhibited antimicrobial activity against all selected bacterial pathogens. Strain BNWU5 displayed the highest activity, with minimum inhibitory concentrations ranging from 62.5 μg/mL to 250 μg/mL against diarrhoeagenic Escherichia coli, Escherichia coli O157:H7, Salmonella enterica, antibiotic-resistant Vibrio cholerae, Staphylococcus aureus, Bacillus cereus, and Enterococcus durans. LC-MS analysis of the crude extract revealed common antimicrobial metabolites produced by all isolates, including Phenoxomethylpenicilloyl (penicilloyl V), cis-11-Eicosenamide, 3-Hydroxy-3-phenacyloxindole, and 9-Octadecenamide.
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Affiliation(s)
- Matsobane Tlou
- Department of Biochemistry, School of Physical and Chemical Sciences, North-West University, Mmabatho, South Africa
| | - Benedict Ndou
- Department of Biochemistry, School of Physical and Chemical Sciences, North-West University, Mmabatho, South Africa
| | - Nokufa Mabona
- Department of Biochemistry, School of Physical and Chemical Sciences, North-West University, Mmabatho, South Africa
| | - Adivhaho Khwathisi
- Department of Biochemistry and Microbiology, University of Venda, Thohoyandou, South Africa
| | - Collins Ateba
- Department of Microbiology, Faculty of Natural and Agricultural Sciences, School of Biological Sciences, North-West University, Mmabatho, South Africa
| | - Ntakadzeni Madala
- Department of Biochemistry and Microbiology, University of Venda, Thohoyandou, South Africa
| | - Mahloro Hope Serepa-Dlamini
- Department of Biotechnology and Food Technology, University of Johannesburg, Doornfontein Campus, Johannesburg, South Africa
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Lee WJ, Hwang JM, Jo JH, Jang SI, Jung EJ, Bae JW, Ha JJ, Kim DH, Kwon WS. Adverse Effects of Avobenzone on Boar Sperm Function: Disruption of Protein Kinase A Activity and Tyrosine Phosphorylation. Reprod Toxicol 2024; 125:108559. [PMID: 38378073 DOI: 10.1016/j.reprotox.2024.108559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 01/07/2024] [Accepted: 01/10/2024] [Indexed: 02/22/2024]
Abstract
Avobenzone (AVO), an ultraviolet (UV) filter, is frequently used as an ingredient in personal cosmetics. This UV filter has been found to be easily exposed in swimming pools and beaches, and it has been detected in human urine and blood. Moreover, numerous studies have demonstrated that AVO exhibits endocrine-disrupting properties. Nevertheless, the effects of AVO on male fertility have not yet fully understood. Therefore, this study aimed to assess the effects of AVO on various sperm functions during capacitation. First, boar spermatozoa were treated with various AVO concentrations. After treatment, sperm motility and kinetic characteristics, capacitation status, intracellular adenosine triphosphate (ATP) levels, and sperm viability were evaluated. Moreover, Western blot analysis w.as conducted to evaluate protein kinase A (PKA) activity and tyrosine phosphorylation. As a result, AVO treatment significantly decreased total motility, progressive motility, and several kinetic characteristics at high concentrations (50 and 100 μM). Furthermore, the capacitation status dose-dependently decreased. Conversely, no significant differences in acrosome reaction, cell viability, and intracellular ATP levels were observed. However, the intracellular ATP level tended to decrease. In addition, AVO dose-dependently induced abnormal changes in PKA activity and tyrosine phosphorylation. Although AVO did not directly exert a toxic effect on cell viability, it ultimately negatively affected sperm functions through abnormal alterations in PKA activity and tyrosine phosphorylation. Thus, the potential implications on male fertility must be considered when contemplating the safe utilization of AVO.
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Affiliation(s)
- Woo-Jin Lee
- Department of Animal Science and Biotechnology, Kyungpook National University, Sangju, Gyeongsangbuk-do 37224, Republic of Korea
| | - Ju-Mi Hwang
- Department of Animal Science and Biotechnology, Kyungpook National University, Sangju, Gyeongsangbuk-do 37224, Republic of Korea
| | - Jae-Hwan Jo
- Department of Animal Biotechnology, Kyungpook National University, Sangju, Gyeongsangbuk-do 37224, Republic of Korea
| | - Seung-Ik Jang
- Department of Animal Science and Biotechnology, Kyungpook National University, Sangju, Gyeongsangbuk-do 37224, Republic of Korea
| | - Eun-Ju Jung
- Department of Animal Science and Biotechnology, Kyungpook National University, Sangju, Gyeongsangbuk-do 37224, Republic of Korea
| | - Jeong-Won Bae
- Department of Animal Science and Biotechnology, Kyungpook National University, Sangju, Gyeongsangbuk-do 37224, Republic of Korea
| | - Jae Jung Ha
- Gyeongbuk Livestock Research Institute, Yeongju, Gyeongsangbuk-do 36052, Republic of Korea
| | - Dae-Hyun Kim
- Department of Animal Science, Chonnam National University, Gwangju 61186, Republic of Korea.
| | - Woo-Sung Kwon
- Department of Animal Science and Biotechnology, Kyungpook National University, Sangju, Gyeongsangbuk-do 37224, Republic of Korea; Department of Animal Biotechnology, Kyungpook National University, Sangju, Gyeongsangbuk-do 37224, Republic of Korea; Research Institute for Innovative Animal Science, Kyungpook National University, Sangju, Gyeongsangbuk-do 37224, Republic of Korea.
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García-Gil S, Rodríguez-Luna A, Ávila-Román J, Rodríguez-García G, del Río RE, Motilva V, Gómez-Hurtado MA, Talero E. Photoprotective Effects of Two New Morin-Schiff Base Derivatives on UVB-Irradiated HaCaT Cells. Antioxidants (Basel) 2024; 13:134. [PMID: 38275659 PMCID: PMC10813227 DOI: 10.3390/antiox13010134] [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: 12/17/2023] [Revised: 01/12/2024] [Accepted: 01/19/2024] [Indexed: 01/27/2024] Open
Abstract
Ultraviolet (UV) radiation harms the skin, causing oxidative damage, inflammation, and disruption of the skin's barrier function. There is considerable interest in identifying new natural ingredients with antioxidant and anti-inflammatory properties to serve as adjuvants in sunscreens. The flavonoid morin (1) can undergo structural modifications to enhance its biological properties. The aim of this study was to synthesize two new morin-Schiff base derivatives, morin oxime (2) and morin semicarbazone (3), comparing their photoprotective effects with that of the parent compound on UVB-exposed HaCaT keratinocytes. The chemical structure of the novel compounds was revealed based on spectroscopic data analysis. Our findings demonstrated that derivatives 2 and 3 enhanced the light absorption capability in the UV-visible (vis) range compared to 1. Tested compounds exhibited a higher scavenger capacity than Trolox. Moreover, pre-treatment with all compounds protected HaCaT cells from UVB-induced cell death. Compound 3 demonstrated the strongest antioxidant effect, reducing reactive oxygen species (ROS) generation and, subsequently, malondialdehyde (MDA) levels. Additionally, compounds 2 and 3 exhibited greater anti-inflammatory effects than compound 1, significantly reducing interleukin (IL)-6 production levels at all tested concentrations. These findings have demonstrated, for the first time, a promising photoprotective activity of two new Schiff base derivatives and suggest their use as natural sunscreen ingredients.
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Affiliation(s)
- Sara García-Gil
- Department of Pharmacology, Faculty of Pharmacy, Universidad de Sevilla, 41012 Seville, Spain; (S.G.-G.); (V.M.); (E.T.)
| | - Azahara Rodríguez-Luna
- Department of Pharmacology, Faculty of Pharmacy, Universidad de Sevilla, 41012 Seville, Spain; (S.G.-G.); (V.M.); (E.T.)
- Faculty of Health Sciences, Universidad Loyola Andalucía, 41704 Seville, Spain
| | - Javier Ávila-Román
- Department of Pharmacology, Faculty of Pharmacy, Universidad de Sevilla, 41012 Seville, Spain; (S.G.-G.); (V.M.); (E.T.)
| | - Gabriela Rodríguez-García
- Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Ciudad Universitaria, Morelia 58030, Michoacán, Mexico; (G.R.-G.); (R.E.d.R.); (M.A.G.-H.)
| | - Rosa E. del Río
- Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Ciudad Universitaria, Morelia 58030, Michoacán, Mexico; (G.R.-G.); (R.E.d.R.); (M.A.G.-H.)
| | - Virginia Motilva
- Department of Pharmacology, Faculty of Pharmacy, Universidad de Sevilla, 41012 Seville, Spain; (S.G.-G.); (V.M.); (E.T.)
| | - Mario A. Gómez-Hurtado
- Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Ciudad Universitaria, Morelia 58030, Michoacán, Mexico; (G.R.-G.); (R.E.d.R.); (M.A.G.-H.)
| | - Elena Talero
- Department of Pharmacology, Faculty of Pharmacy, Universidad de Sevilla, 41012 Seville, Spain; (S.G.-G.); (V.M.); (E.T.)
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Ge S, Zhang S, Li X, Li A, Wang W, Tan G, Sui X, Li Q. Design of Proanthocyanidins and TiO 2 Nanoparticles-Based Novel Emulsions as a Platform for UV Protection. Chempluschem 2023; 88:e202300287. [PMID: 37528443 DOI: 10.1002/cplu.202300287] [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: 06/13/2023] [Revised: 08/01/2023] [Accepted: 08/01/2023] [Indexed: 08/03/2023]
Abstract
A white oil-in-water novel emulsion stabilized by TiO2 nanoparticles with UVB shielding properties and proanthocyanidins with antioxidant activity was prepared, where the proanthocyanidins aggregated at the oil-water interface to reduce interfacial tension while TiO2 nanoparticles were dispersed in the continuous water phase to hinder droplet coalescence. It was found that the average oil droplet size was less than 10 μm and decreased with the increase of proanthocyanidins concentration, but the increase of the content of TiO2 nanoparticles had little effect on it. The combination of TiO2 nanoparticles and proanthocyanidins was versatile for oil phases with different polarities, and the resulting emulsion exhibited high stability in the face of centrifugation, heating and prolonging storage time. After encapsulating the UVA filter avobenzone in white oil, the emulsion was endowed with the ability to resist UVB and UVA. Further, the emulsion showed great free radical scavenging ability for superoxide anion radical (⋅O2 - ), hydroxyl radical (⋅OH) with the clearance rate of over 70 %, indicating the good antioxidant activity. The ingenious combination of UVB, UVA filter and antioxidant with emulsion as carrier provides a new idea for the preparation of full-band sunscreen emulsion.
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Affiliation(s)
- Shujin Ge
- School of Materials Science and Engineering, Shandong University of Technology, Zibo, Shandong, 255049, P. R. China
| | - Shang Zhang
- School of Materials Science and Engineering, Shandong University of Technology, Zibo, Shandong, 255049, P. R. China
| | - Xueshu Li
- School of Materials Science and Engineering, Shandong University of Technology, Zibo, Shandong, 255049, P. R. China
| | - Aixiang Li
- School of Materials Science and Engineering, Shandong University of Technology, Zibo, Shandong, 255049, P. R. China
| | - Weiwei Wang
- School of Materials Science and Engineering, Shandong University of Technology, Zibo, Shandong, 255049, P. R. China
| | - Guanglei Tan
- Shandong Linglong Rubber Technology Co., Ltd, Yantai, Shandong, 253000, P. R. China
| | - Xiaofei Sui
- Shandong Linglong Rubber Technology Co., Ltd, Yantai, Shandong, 253000, P. R. China
| | - Qiuhong Li
- School of Materials Science and Engineering, Shandong University of Technology, Zibo, Shandong, 255049, P. R. China
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