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Seo H, Chung WG, Kwon YW, Kim S, Hong YM, Park W, Kim E, Lee J, Lee S, Kim M, Lim K, Jeong I, Song H, Park JU. Smart Contact Lenses as Wearable Ophthalmic Devices for Disease Monitoring and Health Management. Chem Rev 2023; 123:11488-11558. [PMID: 37748126 PMCID: PMC10571045 DOI: 10.1021/acs.chemrev.3c00290] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Indexed: 09/27/2023]
Abstract
The eye contains a complex network of physiological information and biomarkers for monitoring disease and managing health, and ocular devices can be used to effectively perform point-of-care diagnosis and disease management. This comprehensive review describes the target biomarkers and various diseases, including ophthalmic diseases, metabolic diseases, and neurological diseases, based on the physiological and anatomical background of the eye. This review also includes the recent technologies utilized in eye-wearable medical devices and the latest trends in wearable ophthalmic devices, specifically smart contact lenses for the purpose of disease management. After introducing other ocular devices such as the retinal prosthesis, we further discuss the current challenges and potential possibilities of smart contact lenses.
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Affiliation(s)
- Hunkyu Seo
- Department
of Materials Science and Engineering, Yonsei
University, Seoul 03722, Republic
of Korea
| | - Won Gi Chung
- Department
of Materials Science and Engineering, Yonsei
University, Seoul 03722, Republic
of Korea
| | - Yong Won Kwon
- Department
of Materials Science and Engineering, Yonsei
University, Seoul 03722, Republic
of Korea
| | - Sumin Kim
- Department
of Materials Science and Engineering, Yonsei
University, Seoul 03722, Republic
of Korea
| | - Yeon-Mi Hong
- Department
of Materials Science and Engineering, Yonsei
University, Seoul 03722, Republic
of Korea
| | - Wonjung Park
- Department
of Materials Science and Engineering, Yonsei
University, Seoul 03722, Republic
of Korea
| | - Enji Kim
- Department
of Materials Science and Engineering, Yonsei
University, Seoul 03722, Republic
of Korea
| | - Jakyoung Lee
- Department
of Materials Science and Engineering, Yonsei
University, Seoul 03722, Republic
of Korea
| | - Sanghoon Lee
- Department
of Materials Science and Engineering, Yonsei
University, Seoul 03722, Republic
of Korea
| | - Moohyun Kim
- Department
of Materials Science and Engineering, Yonsei
University, Seoul 03722, Republic
of Korea
| | - Kyeonghee Lim
- Department
of Materials Science and Engineering, Yonsei
University, Seoul 03722, Republic
of Korea
| | - Inhea Jeong
- Department
of Materials Science and Engineering, Yonsei
University, Seoul 03722, Republic
of Korea
| | - Hayoung Song
- Department
of Materials Science and Engineering, Yonsei
University, Seoul 03722, Republic
of Korea
| | - Jang-Ung Park
- Department
of Materials Science and Engineering, Yonsei
University, Seoul 03722, Republic
of Korea
- Department
of Neurosurgery, Yonsei University College
of Medicine, Seoul 03722, Republic of Korea
- Center
for Nanomedicine, Institute for Basic Science (IBS), Yonsei University, Seoul 03722, Republic
of Korea
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Fabrication of Nutraceutical Beverage from Saffron (Crocus sativus L.) Extract and Studying Its Health Effects. INTERNATIONAL JOURNAL OF FOOD SCIENCE 2023. [DOI: 10.1155/2023/7130266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
A saffron extract-based beverage (SEBB) was formulated and characterized based on its sensory attributes and health benefits. The main bioactive compounds of saffron extract (crocin and safranal) were quantified. Three formulations of SEBB were prepared based on the sucrose concentration: SEBB 1 contained 65 g of sucrose per 500 ml, SEBB 2 contained 17.5 g, and SEBB 3 contained 79.5 g. The SEBB most desired by consumers was then subjected to biochemical analysis to evaluate its antioxidative effects on the damage induced by food contaminated with carbon tetrachloride (CCl4). Fifteen albino rats were split into five groups and treated with different doses of CCl4 or SEBB according to the planned animal experiment for 62 days. Sensory evaluation illustrated that SEBB 1 had the highest acceptability scores. The content of crocin and safranal was 23.039 and 4.135 ppm, respectively. The SEBB ameliorated the increased activity of enzymes involved in liver and kidney function and improved the total antioxidant capacity, blood glucose, and lipid profile.
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Purnama MTE, Hendrawan D, Wicaksono AP, Fikri F, Purnomo A, Chhetri S. Risk factors, hematological and biochemical profile associated with colic in Delman horses in Gresik, Indonesia. F1000Res 2022; 10:950. [PMID: 35136578 PMCID: PMC8787563 DOI: 10.12688/f1000research.55312.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/07/2022] [Indexed: 11/20/2022] Open
Abstract
Background: Horses are herd animals that have been domesticated in the last century. In several countries, an overview of risk factors and clinical evaluation in horses with colic has not been well‐described. This study aimed to evaluate risk factors and hematological profiles in horses associated with colic in Gresik, East Java, Indonesia. Methods: A cross-sectional study was performed during April - October 2019. A total of 115 horses were diagnosed based on physical examination, clinical symptoms, and rectal examination. A questionnaire was asked to the horse-owners to analyze the risk factors while the clinical examination was performed and blood samples were collected for pre-treatment and 14 days post-treatment. Hematological profile was evaluated from a whole blood sample. Serum cortisol, plasma epinephrine, and norepinephrine concentrations were also evaluated after separating the aliquots. Results: Of the 115 horses, 96 were diagnosed with colic. The horses with colic showed a significant association between cases with gender (p<0.021), breed (p<0.000), wheat bran feeding (p<0.015), concentrate feeding (p<0.003), anthelmintics administration (p<0.000), gastrointestinal parasites (p<0.000), dental diseases (p<0.024), previous exposure to colic (p<0.000), body condition score (p<0.000), and access to water per day (p<0.000). Based on whole blood and serum evaluation, there were ameliorated significantly on the hematological profile (p<0.01), serum cortisol (p<0.05), and plasma epinephrine (p<0.01) at 14 days post-treatment. Conclusion: This study has identified factors associated with colic in Delman horses. The study provides crucial information to investigate cases of colic and to contribute the development of healthcare strategies during treatment and clinical evaluation.
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Affiliation(s)
- Muhammad Thohawi Elziyad Purnama
- Division of Veterinary Anatomy, Department of Veterinary Science, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, East Java, 60115, Indonesia
| | - Dodit Hendrawan
- Animal Health Division, Indonesian Horse Veterinarian Association, Surabaya, East Java, 60115, Indonesia
| | - Arya Pradana Wicaksono
- Animal Health Division, Indonesian Horse Veterinarian Association, Surabaya, East Java, 60115, Indonesia
| | - Faisal Fikri
- Division of Veterinary Physiology, Department of Veterinary Science, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, East Java, 60115, Indonesia
| | - Agus Purnomo
- Department of Veterinary Surgery and Radiology, Faculty of Veterinary Medicine, Universitas Gadjah Mada, Yogyakarta, Yogyakarta, 55281, Indonesia
| | - Shekhar Chhetri
- Department of Animal Science, College of Natural Resources, Royal University of Bhutan, Lobesa, Punakha, 13001, Bhutan
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Ali HR, Ali SF, Abd-Algawad RH, Sdeek FA, Arafa M, Kamel E, Shahein MA. Impact of udder infections on biochemical composition of milk in context of pesticides exposure. Vet World 2022; 15:797-808. [PMID: 35497945 PMCID: PMC9047129 DOI: 10.14202/vetworld.2022.797-808] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 02/25/2022] [Indexed: 11/29/2022] Open
Abstract
Background and Aim: Environmental contaminants such as pesticides have shown immunomodulatory effects that can make animals highly susceptible to pathogenic invasion. The current work aims to study the incidence of udder infections in a single dairy herd of 160 cows in Qalyoubia Governorate, in relation to the potential intoxication of dairy cattle with organochlorine (OCs) pesticides. The study also aims to investigate the impact of udder infections on milk composition. Materials and Methods: The dairy herd was screened for udder infections using the California mastitis test and measurement of somatic cell count (SCC), followed by bacteriological and molecular analysis. In parallel, the milk samples were also tested for residues of 15 OCs compounds using gas chromatographic analysis. Results: The examined herd showed a high prevalence of mastitis (37.5%) and Mycoplasma was identified as the main bacterial pathogen. OCs residues were detected in milk of 45 cows out of 160 with a higher incidence in mastitic (43.3%) than in healthy cows (19%). Further, the biochemical analysis of milk showed a significant drop in major electrolytes combined with a significant rise in blood-borne electrolytes (Na and Cl) and total protein. This was more extreme in the case of Mycoplasam mastitis compared to non-Mycoplasma mastitis. In addition, Mycoplasma mastitic milk revealed a high level of malondialdehyde associated with reduced antioxidant enzymes (glutathione peroxidase, superoxide dismutase and catalase), compared to non-Mycoplasma mastitis. Conclusion: Mycoplasma mastitis was shown to be associated with increased SCC and, in turn, appeared significantly correlated with increased biochemical changes in milk, indicating the serious impact of Mycoplasma mastitis on the dairy industry. Our data also show a strong correlation between increased SCC and biochemical changes in milk, suggesting that tested biochemical parameters might serve as potential biomarkers for the early detection of mastitis. The study also suggested a potential relationship between poisoning with OCs and susceptibility to bacterial udder infections. However, further studies are required to examine the immune status of a dairy herd in relation to the level of OCs in cow’s blood, as well as the water sources used, grass forage and soil.
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Affiliation(s)
- Hala R. Ali
- Bacteriology Department, Animal Health Research Institute, Agriculture Research Center, Giza, Egypt
| | - Samah F. Ali
- Bacteriology Department, Animal Health Research Institute, Agriculture Research Center, Giza, Egypt
| | - Rania H. Abd-Algawad
- Mycoplasma Department, Animal Health Research Institute Agriculture Research Center, Giza, Egypt
| | - Fayza A. Sdeek
- Pesticide Residue Department, CAPL, Agriculture Research Center, Giza, Egypt
| | - Mahmoud Arafa
- Biochemistry and Toxicology Department, Animal Health Research Institute, Agriculture Research Center, Giza, Egypt
| | - Essam Kamel
- Biochemistry and Toxicology Department, Animal Health Research Institute, Agriculture Research Center, Giza, Egypt
| | - Momtaz A. Shahein
- Department of Virology Research, Animal Health Research Institute, Agriculture Research Center, Giza, Egypt
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Silveira AT, Barbosa AMDC, de Faria HD, Marciano LPDA, Figueiredo EC, Martins I. Online restricted access molecularly imprinted solid-phase extraction coupled with liquid chromatography-mass spectrometry for the selective determination of serum bile acids. Analyst 2022; 147:2779-2792. [DOI: 10.1039/d2an00446a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Synthesis of a RAM imprinted polymer covered with bovine serum albumin applied to determine bile acids from individuals exposed to organic solvents using an online-LC method.
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Affiliation(s)
- Alberto Thalison Silveira
- Laboratory of Toxicant and Drug Analyses, Gabriel Monteiro da Silva St. 700, Federal University of Alfenas – Unifal-MG, 37130-001, Alfenas, MG, Brazil
| | - Alyne Maria da Costa Barbosa
- Laboratory of Toxicant and Drug Analyses, Gabriel Monteiro da Silva St. 700, Federal University of Alfenas – Unifal-MG, 37130-001, Alfenas, MG, Brazil
| | - Henrique Dipe de Faria
- Laboratory of Toxicant and Drug Analyses, Gabriel Monteiro da Silva St. 700, Federal University of Alfenas – Unifal-MG, 37130-001, Alfenas, MG, Brazil
| | - Luiz Paulo de Aguiar Marciano
- Laboratory of Toxicant and Drug Analyses, Gabriel Monteiro da Silva St. 700, Federal University of Alfenas – Unifal-MG, 37130-001, Alfenas, MG, Brazil
| | - Eduardo Costa Figueiredo
- Laboratory of Toxicant and Drug Analyses, Gabriel Monteiro da Silva St. 700, Federal University of Alfenas – Unifal-MG, 37130-001, Alfenas, MG, Brazil
| | - Isarita Martins
- Laboratory of Toxicant and Drug Analyses, Gabriel Monteiro da Silva St. 700, Federal University of Alfenas – Unifal-MG, 37130-001, Alfenas, MG, Brazil
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6
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Bossak-Ahmad K, Bal W, Frączyk T, Drew SC. Ternary Cu 2+ Complexes of Human Serum Albumin and Glycyl-l-histidyl-l-lysine. Inorg Chem 2021; 60:16927-16931. [PMID: 34730942 DOI: 10.1021/acs.inorgchem.1c03084] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Human serum albumin (HSA) and the growth factor glycyl-l-histidyl-l-lysine (GHK) bind Cu2+ as part of their normal functions. GHK is found at its highest concentration in the albumin-rich fraction of plasma, leading to speculation that HSA and GHK form a ternary Cu2+ complex. Although preliminary evidence was presented 40 years ago, the structure and stability of such a complex have remained elusive. Here, we show that two ternary Cu(GHK)NImHSA complexes are formed between GHK and the imino nitrogen (NIm) of His side chains of HSA. We identified His3 as one site of ternary complex formation (conditional binding constant cKCu(GHK)NImHis3Cu(GHK) = 2900 M-1 at pH 7.4), with the second site (cKCu(GHK)NImHisXCu(GHK) = 1700 M-1) likely being supplied by either His128 or His510. Together with the established role of HSA as a molecular shuttle in the blood, these complexes may aid the transport of the exchangeable Cu2+ pool and the functional form of GHK.
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Affiliation(s)
- Karolina Bossak-Ahmad
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warsaw 02-106, Poland
| | - Wojciech Bal
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warsaw 02-106, Poland
| | - Tomasz Frączyk
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warsaw 02-106, Poland
| | - Simon C Drew
- Department of Medicine (Royal Melbourne Hospital), The University of Melbourne, Melbourne, Victoria 3010, Australia
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Kwon HC, Sohn H, Kim DH, Shin DM, Jeong CH, Chang YH, Yune JH, Kim YJ, Kim DW, Kim SH, Han SG. In Vitro and In Vivo Study on the Toxic Effects of Propiconazole Fungicide in the Pathogenesis of Liver Fibrosis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:7399-7408. [PMID: 34170130 DOI: 10.1021/acs.jafc.1c01086] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Propiconazole (PCZ) is a hepatotoxic triazole fungicide. There are insufficient data on how PCZ induces liver fibrosis in humans. This study aimed to investigate the effect of PCZ on liver fibrosis and its underlying mechanisms. HepG2 cells and Sprague-Dawley rats were exposed to PCZ at doses of 0-160 μM (3-72 h) and 0.5-50 mg/kg body weight/day (28 days), respectively. PCZ-treated cells activated intracellular oxidative stress via cytochrome P450 and had higher mRNA levels of interleukin-1β, tumor necrosis factor-α, matrix metalloproteinase (MMP)-2, MMP-9, and transforming growth factor-β (TGF-β) than the control. PCZ treatment in cells induced a morphological transition with E-cadherin decrease and vimentin and Snail increase via the oxidative stress and TGF-β/Smad pathways. PCZ administration in rats induced liver fibrosis through pathological changes, epithelial-mesenchymal transition, and collagen deposition. Thus, our data suggest that exposure of PCZ to humans may be a risk factor for the functional integrity of the liver.
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Affiliation(s)
- Hyuk Cheol Kwon
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Hyejin Sohn
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Do Hyun Kim
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Dong Min Shin
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Chang Hee Jeong
- Microbiology and Functionality Research Group, World Institute of Kimchi, Gwangju 61755, Republic of Korea
| | - You Hyun Chang
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Jong Hyeok Yune
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Yea Ji Kim
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Dong-Wook Kim
- Department of Poultry Science, Korea National College of Agriculture and Fisheries, Jeonju 54874, Republic of Korea
| | - Sang Ho Kim
- Animal Nutrition & Physiology Team, National Institute of Animal Science, Rural Development Administration, Wanju 55365, Republic of Korea
| | - Sung Gu Han
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
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H Bakr ES, El-Yamany MA. Chemical and Nutraceutical Studies on Infertility of Albino Rats Induced by Cadmium Chloride. Pak J Biol Sci 2020; 23:1245-1252. [PMID: 32981257 DOI: 10.3923/pjbs.2020.1245.1252] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND AND OBJECTIVE Infertility in couples is rated one in every eight couple worldwide which affects 15% of couples and a male factor is found to be solely responsible or in conjunction with a female factor in 50% of cases. The natural chemicals found in rocca and red cabbage leaves breakdown into compounds like indole-3-carbinol, which has anti-cancer property. Flavonoids of the crop have good therapeutic potential in inflammation and pain. Meanwhile, this investigation aimed to evaluate the effect of rocca leaves and red cabbage leaves on male infertility rats. MATERIALS AND METHODS Thirty-six adult male Sprague Dawley rats were divided into six groups. Group 1: Normal rats fed on basal diet as control negative (C-), Group 2: Control positive C+, in which infertility rats were fed on basal diet. Group 3: Infertility rats fed on basal diet and 5% rocca leaves. Group 4: Infertility rats fed on basal diet and 10% rocca leaves. Group 5: Infertility rats fed on basal diet and 5% red cabbage leaves. Group 6: Infertility rats fed on basal diet and 10% red cabbage leaves. At the end of experiment, after 28 days of feeding, all serum samples were analyzed for biochemical parameters. RESULTS Injection with cadmium chloride caused a significant increase in the level of glucose, urea, creatinine, uric acid, AST, ALT, ALP, total cholesterol, triglycerides, LDLc, VLDLc, AI, Glob, TB, IB, DB and LH hormone while a significant decrease was recorded in HDLc, testosterone, FSH hormones, TP and Alb. Meanwhile, in infertility rats then treated with rocca leaves 5 and 10% and red cabbage leaves at the same doses 5 and 10% caused significant improvement in all tested parameters. CONCLUSION The obtained results demonstrated that rocca leaves and red cabbage leaves had significant improvement in testosterone, Follicle-stimulating hormone, luteinizing hormone, total protein, albumin and lipids profile in cadmium chloride induced infertility in rats.
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Guntner AS, Peyrl A, Mayr L, Englinger B, Berger W, Slavc I, Buchberger W, Gojo J. Cerebrospinal fluid penetration of targeted therapeutics in pediatric brain tumor patients. Acta Neuropathol Commun 2020; 8:78. [PMID: 32493453 PMCID: PMC7268320 DOI: 10.1186/s40478-020-00953-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 05/20/2020] [Indexed: 12/21/2022] Open
Abstract
Treatment with small-molecule inhibitors, guided by precision medicine has improved patient outcomes in multiple cancer types. However, these compounds are often not effective against central nervous system (CNS) tumors. The failure of precision medicine approaches for CNS tumors is frequently attributed to the inability of these compounds to cross the blood-brain barrier (BBB), which impedes intratumoral target engagement. This is complicated by the fact that information on CNS penetration in CNS-tumor patients is still very limited. Herein, we evaluated cerebrospinal fluid (CSF) drug penetration, a well-established surrogate for CNS-penetration, in pediatric brain tumor patients. We analyzed 7 different oral anti-cancer drugs and their metabolites by high performance liquid chromatography mass spectrometry (HPLC-MS) in 42 CSF samples obtained via Ommaya reservoirs of 9 different patients. Moreover, we related the resulting data to commonly applied predictors of BBB-penetration including ABCB1 substrate-character, physicochemical properties and in silico algorithms. First, the measured CSF drug concentrations depicted good intra- and interpatient precision. Interestingly, ribociclib, vorinostat and imatinib showed high (> 10 nM), regorafenib and dasatinib moderate (1-10 nM) penetrance. In contrast, panobinostat und nintedanib were not detected. In addition, we identified active metabolites of imatinib and ribociclib. Comparison to well-established BBB-penetrance predictors confirmed low molecular weight, high proportion of free-drug and low ABCB1-mediated efflux as central factors. However, evaluation of diverse in silico algorithms showed poor correlation within our dataset. In summary, our study proves the feasibility of measuring CSF concentration via Ommaya reservoirs thus setting the ground for utilization of this method in future clinical trials. Moreover, we demonstrate CNS presence of certain small-molecule inhibitors and even active metabolites in CSF of CNS-tumor patients and provide a potential guidance for physicochemical and biological factors favoring CNS-penetration.
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Affiliation(s)
| | - Andreas Peyrl
- Department of Pediatrics and Adolescent Medicine and Comprehensive Center for Pediatrics, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria
| | - Lisa Mayr
- Department of Pediatrics and Adolescent Medicine and Comprehensive Center for Pediatrics, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria
| | - Bernhard Englinger
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Walter Berger
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Irene Slavc
- Department of Pediatrics and Adolescent Medicine and Comprehensive Center for Pediatrics, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria
| | - Wolfgang Buchberger
- Institute of Analytical Chemistry, Johannes Kepler University, Linz, Austria
| | - Johannes Gojo
- Department of Pediatrics and Adolescent Medicine and Comprehensive Center for Pediatrics, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria
- Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Vienna, Austria
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Tinarwo P, Zewotir T, North D. Trends and Adaptive Optimal Set Points of CD4 + Count Clinical Covariates at Each Phase of the HIV Disease Progression. AIDS Res Treat 2020; 2020:1379676. [PMID: 32190387 PMCID: PMC7068150 DOI: 10.1155/2020/1379676] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Accepted: 01/21/2020] [Indexed: 11/23/2022] Open
Abstract
In response to invasion by the human immunodeficiency virus (HIV), the self-regulatory immune system attempts to restore the CD4+ count fluctuations. Consequently, many clinical covariates are bound to adapt too, but little is known about their corresponding new optimal set points. It has been reported that there exist few strongest clinical covariates of the CD4+ count. The objective of this study is to harness them for a streamlined application of multidimensional viewing lens (statistical models) to zoom into the behavioural patterns of the adaptive optimal set points. We further postulated that the optimal set points of some of the strongest covariates are possibly controlled by dietary conditions or otherwise to enhance the CD4+ count. This study investigated post-HIV infection (acute to therapy phases) records of 237 patients involving repeated measurements of 17 CD4+ count clinical covariates that were found to be the strongest. The overall trends showed either downwards, upwards, or irregular behaviour. Phase-specific trends were mostly different and unimaginable, with LDH and red blood cells producing the most complex CD4+ count behaviour. The approximate optimal set points for dietary-related covariates were total protein 60-100 g/L (acute phase), <85 g/L (early phase), <75 g/L (established phase), and >85 g/L (ART phase), whilst albumin approx. 30-50 g/L (acute), >45 g/L (early and established), and <37 g/L (ART). Sodium was desirable at approx. <45 mEq/L (acute and early), <132 mEq/L (established), and >134 mEq/L (ART). Overall, desirable approximates were albumin >42 g/L, total protein <75 g/L, and sodium <137 mEq/L. We conclude that the optimal set points of the strongest CD4+ count clinical covariates tended to drift and adapt to either new ranges or overlapped with the known reference ranges to positively influence the CD4+ cell counts. Recommendation for phase-specific CD4+ cell count influence in adaptation to HIV invasion includes monitoring of the strongest covariates related to dietary conditions (sodium, albumin, and total protein), tissue oxygenation (red blood cells and its haematocrit), and hormonal control (LDH and ALP).
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Affiliation(s)
- Partson Tinarwo
- School of Mathematics, Statistics and Computer Science, University of KwaZulu-Natal, Durban 4000, South Africa
| | - Temesgen Zewotir
- School of Mathematics, Statistics and Computer Science, University of KwaZulu-Natal, Durban 4000, South Africa
| | - Delia North
- School of Mathematics, Statistics and Computer Science, University of KwaZulu-Natal, Durban 4000, South Africa
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Yellepeddi VK, Joseph A, Nance E. Pharmacokinetics of nanotechnology-based formulations in pediatric populations. Adv Drug Deliv Rev 2019; 151-152:44-55. [PMID: 31494124 DOI: 10.1016/j.addr.2019.08.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 07/27/2019] [Accepted: 08/23/2019] [Indexed: 12/11/2022]
Abstract
The development of therapeutics for pediatric use has advanced in the last few decades. However, off-label use of adult medications in pediatrics remains a significant clinical problem. Furthermore, the development of therapeutics for pediatrics is challenged by the lack of pharmacokinetic (PK) data in the pediatric population. To promote the development of therapeutics for pediatrics, the United States Pediatric Formulation Initiative recommended the investigation of nanotechnology-based delivery systems. Therefore, in this review, we provided comprehensive information on the PK of nanotechnology-based formulations from preclinical and clinical studies in pediatrics. Specifically, we discuss the relationship between formulation parameters of nanoformulations and PK of the encapsulated drug in the context of pediatrics. We review nanoformulations that include dendrimers, liposomes, polymeric long-acting injectables (LAIs), nanocrystals, inorganic nanoparticles, polymeric micelles, and protein nanoparticles. In addition, we describe the importance and need of PK modeling and simulation approaches used in predicting PK of nanoformulations for pediatric applications.
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12
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Muselin F, Gârban Z, Cristina RT, Doma AO, Dumitrescu E, Vițălaru AB, Bănățean-Dunea I. Homeostatic changes of some trace elements in geriatric rats in the condition of oxidative stress induced by aluminum and the beneficial role of resveratrol. J Trace Elem Med Biol 2019; 55:136-142. [PMID: 31345351 DOI: 10.1016/j.jtemb.2019.06.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 06/05/2019] [Accepted: 06/17/2019] [Indexed: 01/26/2023]
Abstract
BACKGROUND Elderly individuals are exposed to trace element imbalances due to the reduced capacity of their organism to utilize minerals in a direct relationship with many circumstances. OBJECTIVES AND METHODS The aim of this study was to assess the protective role of resveratrol upon the homeostatic changes of some trace elements in geriatric rats in the condition of oxidative stress induced by aluminum exposure. Forty Wistar rats, 18-20 months old, were divided randomly into four groups (n = 10): control (C) - receiving 1 ml of physiologically saline (P.S.) via intraperitoneal (i.p) administration, E1 - 1 ml of P.S. and 1000 ppb aluminum sulphate (AS) in drinking water ad libitum, E2 - 20 mg/kg-1 resveratrol, i.p. and 1000 ppb AS in drinking water, E3 - 20 mg/kg-1 resveratrol i.p. The groups C and E3 received distilled water as drinking water ad libitum. The i.p administrations were once a week for four weeks period. The levels of oxidative stress marker's were analyzed (glutathione, glutathione' peroxidase, superoxide dismutase, and catalase) of the proteins' (total protein, albumin, and hemoglobin) in serum and also the levels of the main trace elements (copper, zinc, iron, selenium, manganese and magnesium) in blood, liver, kidney and spleen. RESULTS Significant decrease (p < 0.05) of total protein (TP), albumin (ALB), catalase (CAT), increase significant (p < 0.05) of glutathione reductase (GSH-r), glutathione peroxidase (GPx) and superoxide dismutase (SOD) in E1 groups, compared with control, E2, and E3 groups was ascertained. There were also observed significant (p < 0.05) decreases in Cu, Zn, Fe and Mg, not significant (p > 0.05) increase of Se and Mn in blood, significant (p < 0.01) increase of Cu, Zn, Mg, Se, Mn in kidney and liver and Fe, in spleen of geriatric rats from E1 group compared to the control group. Insignificant differences (p > 0.05) were recorded in groups which received resveratrol (E2 and E3) compared to the control group, but significant differences (p < 0.05), especially in blood and liver samples, compared to E1. CONCLUSIONS The results suggest that resveratrol can prevent the homeostatic imbalance of trace elements in geriatric rats in the condition of oxidative stress induced by aluminum exposure.
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Affiliation(s)
- Florin Muselin
- BUASMV "King Michael I of Romania" from Timisoara, Faculty of Veterinary Medicine, Romanian Society for Trace Elements in Medicine, Romania
| | - Zeno Gârban
- Working Group for Xenobiochemistry, Romanian Academy-Branch Timisoara, Romania
| | - Romeo T Cristina
- BUASMV "King Michael I of Romania" from Timisoara, Faculty of Veterinary Medicine, Romanian Society for Trace Elements in Medicine, Romania.
| | - Alexandru O Doma
- BUASMV "King Michael I of Romania" from Timisoara, Faculty of Veterinary Medicine, Romanian Society for Trace Elements in Medicine, Romania
| | - Eugenia Dumitrescu
- BUASMV "King Michael I of Romania" from Timisoara, Faculty of Veterinary Medicine, Romanian Society for Trace Elements in Medicine, Romania
| | - Alexandru B Vițălaru
- University of Agronomic Sciences and Veterinary Medicine of Bucharest, Faculty of Veterinary Medicine, Romania
| | - Ioan Bănățean-Dunea
- BUASMV "King Michael I of Romania" from Timisoara, Faculty of Veterinary Medicine, Romanian Society for Trace Elements in Medicine, Romania
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Evaluation of the suitability of ionic liquid-based liquid-liquid microextractions for blood protein removal. J Pharm Biomed Anal 2019; 164:57-61. [DOI: 10.1016/j.jpba.2018.10.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 10/08/2018] [Accepted: 10/09/2018] [Indexed: 11/16/2022]
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14
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Szewczyk-Golec K, Wesołowski R, Hołyńska-Iwan I. Letter to the editor on the article “Alteration of redox status by commonly used antimalarial drugs in the north-western region of Nigeria” by Muhammad A et al. Hum Exp Toxicol 2018; 37:1244-1246. [DOI: 10.1177/0960327118765327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Malaria belongs to the most dangerous infectious diseases globally. Every effort to understand the mechanisms involved in Plasmodium spp. malaria infection and the antimalarial action cannot be overestimated. We have read with great interest the recently published article by Muhammad et al. entitled “Alteration of redox status by commonly used antimalarial drugs in the north-western region of Nigeria.” Several questions have arisen about the conducted study that we would like to comment on.
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Affiliation(s)
- K Szewczyk-Golec
- Chair of Medical Biology, Ludwik Rydygier Collegium Medicum of Nicolaus Copernicus University, Bydgoszcz, Poland
| | - R Wesołowski
- Chair of Medical Biology, Ludwik Rydygier Collegium Medicum of Nicolaus Copernicus University, Bydgoszcz, Poland
| | - I Hołyńska-Iwan
- Department of Pathobiochemistry and Clinical Chemistry, Ludwik Rydygier Collegium Medicum of Nicolaus Copernicus University, Bydgoszcz, Poland
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