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Wen F, Chen R, Wang M, Zhang Y, Dong W, Zhang Y, Yang R. Ovotransferrin, an alternative and potential protein for diverse food and nutritional applications. Crit Rev Food Sci Nutr 2024:1-18. [PMID: 39023034 DOI: 10.1080/10408398.2024.2381094] [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: 07/20/2024]
Abstract
Ovotransferrin(OVT)is a protein found in many types of egg white and has a wide range of functional properties. It has 50% homology with human/bovine lactoferrin, and is expected to be one of the most important alternative proteins for use in food and nutritional applications. This paper mainly reviews the structural characteristics and chemical properties of OVT, as well as its extraction and purification methods. It also systematically describes the various biological activities of OVT and its applications in food and medical industries. The challenges and limitations in the research of OVT were suggested. This review recommends some possible methods such as nanoparticle carriers and microencapsulation to improve the bioavailability and stability of OVT. In addition, this review highlights several strategies to overcome the limitations of OVT in terms of preparation and purification. This review systematically summarizes the recent advances in OVT and will provide guidance for the its development for food and nutritional applications.
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Affiliation(s)
- Fengge Wen
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China
| | - Runxuan Chen
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China
| | - Mengxue Wang
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China
| | - Yihua Zhang
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China
| | - Wenjing Dong
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China
| | - Yuyu Zhang
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, Beijing, China
| | - Rui Yang
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China
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2
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Kharga K, Jha S, Vishwakarma T, Kumar L. Current developments and prospects of the antibiotic delivery systems. Crit Rev Microbiol 2024:1-40. [PMID: 38425122 DOI: 10.1080/1040841x.2024.2321480] [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: 07/26/2023] [Accepted: 02/16/2024] [Indexed: 03/02/2024]
Abstract
Antibiotics have remained the cornerstone for the treatment of bacterial infections ever since their discovery in the twentieth century. The uproar over antibiotic resistance among bacteria arising from genome plasticity and biofilm development has rendered current antibiotic therapies ineffective, urging the development of innovative therapeutic approaches. The development of antibiotic resistance among bacteria has further heightened the clinical failure of antibiotic therapy, which is often linked to its low bioavailability, side effects, and poor penetration and accumulation at the site of infection. In this review, we highlight the potential use of siderophores, antibodies, cell-penetrating peptides, antimicrobial peptides, bacteriophages, and nanoparticles to smuggle antibiotics across impermeable biological membranes to achieve therapeutically relevant concentrations of antibiotics and combat antimicrobial resistance (AMR). We will discuss the general mechanisms via which each delivery system functions and how it can be tailored to deliver antibiotics against the paradigm of mechanisms underlying antibiotic resistance.
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Affiliation(s)
- Kusum Kharga
- School of Biotechnology, Faculty of Applied Sciences and Biotechnology, Shoolini University, Himachal Pradesh, India
| | - Shubhang Jha
- School of Bioengineering and Food Technology, Faculty of Applied Sciences and Biotechnology, Shoolini University, Himachal Pradesh, India
| | - Tanvi Vishwakarma
- School of Bioengineering and Food Technology, Faculty of Applied Sciences and Biotechnology, Shoolini University, Himachal Pradesh, India
| | - Lokender Kumar
- School of Biotechnology, Faculty of Applied Sciences and Biotechnology, Shoolini University, Himachal Pradesh, India
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3
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Feng R, Li ZY, Liu YJ, Dong ZB. Selective Synthesis of Sulfonamides and Sulfenamides from Sodium Sulfinates and Amines. J Org Chem 2024; 89:1736-1747. [PMID: 38215479 DOI: 10.1021/acs.joc.3c02444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2024]
Abstract
An effective method was explored for the selective synthesis of sulfonamides and sulfenamides using sodium sulfinates and amines as starting materials. This method offers mild reaction conditions, a broad substrate scope, high efficiency, and readily accessible materials, making it suitable and an alternative strategy for the preparation of a variety of biologically or pharmaceutically active compounds.
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Affiliation(s)
- Rong Feng
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, China
| | - Zhong-Yu Li
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, China
| | - Yue-Jin Liu
- Key Laboratory of Green Chemical Process, Ministry of Education, Wuhan Institute of Technology, Wuhan 430205, China
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan 430062, China
| | - Zhi-Bing Dong
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, China
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China
- Key Laboratory of Green Chemical Process, Ministry of Education, Wuhan Institute of Technology, Wuhan 430205, China
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4
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Abdelaziz OA, Othman DIA, Abdel-Aziz MM, Badr SMI, Eisa HM. Novel diaryl ether derivatives as InhA inhibitors: Design, synthesis and antimycobacterial activity. Bioorg Chem 2022; 129:106125. [PMID: 36126606 DOI: 10.1016/j.bioorg.2022.106125] [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: 07/07/2022] [Revised: 08/16/2022] [Accepted: 08/31/2022] [Indexed: 11/16/2022]
Abstract
A new series of triclosan (TCL)-mimicking diaryl ether derivatives 7-25 were synthesized and evaluated as inhibitors of enoyl acyl carrier protein reductase InhA enzyme. In addition, these derivatives were screened as inhibitors of drug-susceptible (DS), multidrug-resistant (MDR), and extensive drug-resistant (XDR) Mycobacterium tuberculosis (MTB) strains. Most compounds exihibted superior anti-TB activities and improved ClogP compared to TCL as a standard drug. The present work has led to the identification of compounds 14, 19 and 24 which possess remarkable activities against DS, MDR and XDR MTB strains with MIC values of 1.95, 3.9 and 15.63 µg/ml, respectively for compound 14, 1.95, 3.9 and 7.81 µg/ml, respectively for compound 19 and 0.98, 1.95 and 3.9 µg/ml, respectively for compound 24. Most compounds did not exhibit toxicity to HePG2 normal cell line. Compounds 14, 19 and 24, presenting the best MIC values, were further evaluated as inhibitors of InhA enzyme. They showed high binding affinities in the micromolar range with IC50 values of 1.33, 0.6, and 0.29 µM for compounds 14, 19, and 24, respectively. Furthermore, molecular docking approach was utilized to understand the difference in bioactivities between the new compounds. In particular, the results revealed strong binding interactions and high docking scores of compounds 14, 19 and 24, which could correlate with their high activities. Mainly, the molecular modelling study of compound 24 provides an excellent platform for understanding the molecular mechanism regarding InhA inhibition. Thus, compound 24 could be a lead compound for future development of new antitubercular drugs.
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Affiliation(s)
- Ola A Abdelaziz
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
| | - Dina I A Othman
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt.
| | - Marwa M Abdel-Aziz
- The Regional Center for Mycology and Biotechnology, Al-Azhar University, Cairo, Egypt
| | - Sahar M I Badr
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
| | - Hassan M Eisa
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
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5
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Ahmed AS, Diab HM, Alkahtani MA, Alshehri MA, Saber H, Badr H, Dandrawy MK, El-Mansi AA, Shati AA, Ahmed AE. Molecular epidemiology of virulent E. coli among rural small scale dairy herds and shops: Efficacy of selected marine algal extracts and disinfectants. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2022; 32:72-94. [PMID: 32053006 DOI: 10.1080/09603123.2020.1727422] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 02/04/2020] [Indexed: 06/10/2023]
Abstract
Virulent pathotypes of E. coli seriously affect the livestock regarding the misuse of antibiotics. All 180 samples collected from cow's environment and dairy shops in Qena, Egypt were serologically and molecularly positive for coliforms. Enteropathogenic E. coli (EPEC), Shiga toxin-producing E. coli (STEC), Enteroinvasive E. coli (EIEC) and Enterotoxigenic E. coli (ETEC) pathotypes were isolated from water and milk-related samples. STEC serogroups O26, O55, O111, O113, O145 were also recovered. The non-O157 STEC serotypes were recovered from human diarrheagenic patients contacting cattle or consuming contaminated water/milk products. BlaCTX-M and blaTEM genes were detected in 25.5% and 100%, respectively. Disinfectants and algal extracts, identified by GC-MS, were evaluated in vitro for antibacterial activities. TH4+® disinfectant and methanol extract of Turbinaria decurrens reduced E. coli at 13 log10 at 1.5% and 3 mg/ml concentrations, respectively. Ag-NPs/T. decurrens showed 8-9 log10 reduction at concentration of 1.6 × 105 NPs/ml. Examined water sources, milk and milk products were potential reservoirs for virulent antibiotic-resistant E.coli which may impose animal and public health threats.Abbreviations: APEC: Avian pathogenic E. coli; blaCTX-M: β-lactamase inhibitors-Cefotaximase gene; blaTEM: β-lactamase inhibitors-Temoneira gene; CFU: Colony-forming unit; DAEC: Diffusely adherent E. coli; DEC: Diarrheagenic Escherichia coli; DEMSO: Dimethyl sulfoxide; eaeA: Intimin or E. coli attaching gene; EAEC: Enteroaggregative E. coli; EHEC: Enterohemorrhagic E. coli; EIEC: Enteroinvasive E. coli; EOSQC: Egyptian Organization for Standardization and Quality Control; EPEC: Enteropathogenic E. coli; ETEC: Enterotoxigenic E. coli; ExPEC: Extra-intestinal pathogenic E. coli; GC-MS: Gas chromatography-mass spectrometry technique; hly: Hemolysin gene; STEC: Shiga like producing E. coli; stx1: Shiga-toxin 1 gene; ESBLs: Extended-spectrum beta-lactamases.
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Affiliation(s)
- Ahmed S Ahmed
- Department of Food Hygiene and Control (Milk Hygiene), Faculty of Veterinary Medicine, South Valley University, Qena, Egypt
| | - Hassan M Diab
- Department of Animal and Poultry Health and Environment, Faculty of Veterinary Medicine, South Valley University, Qena, Egypt
| | - Mohammed A Alkahtani
- Department of Biology, College of Science, King Khalid University, Abha, Saudi Arabia
| | - Mohammed A Alshehri
- Department of Biology, College of Science, King Khalid University, Abha, Saudi Arabia
| | - Hani Saber
- Botany and Microbiology Department, Faculty of Science, South Valley University, Qena, Egypt
| | - Heba Badr
- Bacteriology Unit, Reference Laboratory for Quality Control of Poultry Production, Animal Health Research Institute, El-Dokki- Giza, Egypt
| | - Mohamed K Dandrawy
- Department of Food Hygiene and Control (Milk Hygiene), Faculty of Veterinary Medicine, South Valley University, Qena, Egypt
| | - Ahmed A El-Mansi
- Department of Biology, College of Science, King Khalid University, Abha, Saudi Arabia
- Department of Zoology, Faculty of Science, Mansoura University, Mansoura, Egypt
| | - Ali A Shati
- Department of Biology, College of Science, King Khalid University, Abha, Saudi Arabia
| | - Ahmed Ezzat Ahmed
- Department of Biology, College of Science, King Khalid University, Abha, Saudi Arabia
- Department of Theriogenology, Faculty of Veterinary Medicine, South Valley University, Qena, Egypt
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6
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Ibrahim TS, Taher ES, Samir E, M. Malebari A, Khayyat AN, Mohamed MFA, Bokhtia RM, AlAwadh MA, Seliem IA, Asfour HZ, Alhakamy NA, Panda SS, AL-Mahmoudy AMM. In Vitro Antimycobacterial Activity and Physicochemical Characterization of Diaryl Ether Triclosan Analogues as Potential InhA Reductase Inhibitors. Molecules 2020; 25:molecules25143125. [PMID: 32650556 PMCID: PMC7397076 DOI: 10.3390/molecules25143125] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 07/05/2020] [Accepted: 07/06/2020] [Indexed: 11/29/2022] Open
Abstract
Two sets of diphenyl ether derivatives incorporating five-membered 1,3,4-oxadiazoles, and their open-chain aryl hydrazone analogs were synthesized in good yields. Most of the synthesized compounds showed promising in vitro antimycobacterial activity against Mycobacterium tuberculosis H37Rv. Three diphenyl ether derivatives, namely hydrazide 3, oxadiazole 4 and naphthylarylidene 8g exhibited pronounced activity with minimum inhibitory concentrations (MICs) of 0.61, 0.86 and 0.99 μg/mL, respectively compared to triclosan (10 μg/mL) and isoniazid (INH) (0.2 μg/mL). Compounds 3, 4, and 8g showed the InhA reductase enzyme inhibition with higher IC50 values (3.28–4.23 µM) in comparison to triclosan (1.10 µM). Correlation between calculated physicochemical parameters and biological activity has been discussed which justifies a strong correlation with respect to the inhibition of InhA reductase enzyme. Molecular modeling and drug-likeness studies showed good agreement with the obtained biological evaluation. The structural and experimental information concerning these three InhA inhibitors will likely contribute to the lead optimization of new antibiotics for M. tuberculosis.
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Affiliation(s)
- Tarek S. Ibrahim
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (A.M.M.); (A.N.K.); (M.A.A.)
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt; (R.M.B.); (I.A.S.); (A.M.M.A.-M.)
- Correspondence: (T.S.I.); (S.S.P.)
| | - Ehab S. Taher
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Al-Azhar University, Assiut 71524, Egypt;
| | - Ebtihal Samir
- Physical Chemistry, Department of Analytical Chemistry, Faculty of Pharmacy, Deraya University, New Minia 61519, Egypt;
| | - Azizah M. Malebari
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (A.M.M.); (A.N.K.); (M.A.A.)
| | - Ahdab N. Khayyat
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (A.M.M.); (A.N.K.); (M.A.A.)
| | - Mamdouh F. A. Mohamed
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Sohag University, Sohag 82524, Egypt;
| | - Riham M. Bokhtia
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt; (R.M.B.); (I.A.S.); (A.M.M.A.-M.)
- Department of Chemistry & Physics, Augusta University, Augusta, GA 30912, USA
| | - Mohammed A. AlAwadh
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (A.M.M.); (A.N.K.); (M.A.A.)
| | - Israa A. Seliem
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt; (R.M.B.); (I.A.S.); (A.M.M.A.-M.)
- Department of Chemistry & Physics, Augusta University, Augusta, GA 30912, USA
| | - Hani Z. Asfour
- Department of Medical Microbiology and Parasitology, Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
| | - Nabil A. Alhakamy
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
| | - Siva S. Panda
- Department of Chemistry & Physics, Augusta University, Augusta, GA 30912, USA
- Correspondence: (T.S.I.); (S.S.P.)
| | - Amany M. M. AL-Mahmoudy
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt; (R.M.B.); (I.A.S.); (A.M.M.A.-M.)
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7
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Sulfonamide derivatives as multi-target agents for complex diseases. Bioorg Med Chem Lett 2019; 29:2042-2050. [DOI: 10.1016/j.bmcl.2019.06.041] [Citation(s) in RCA: 88] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Accepted: 06/21/2019] [Indexed: 12/19/2022]
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8
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Cheng AV, Wuest WM. Signed, Sealed, Delivered: Conjugate and Prodrug Strategies as Targeted Delivery Vectors for Antibiotics. ACS Infect Dis 2019; 5:816-828. [PMID: 30969100 PMCID: PMC6570538 DOI: 10.1021/acsinfecdis.9b00019] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Innate and developed resistance mechanisms of bacteria to antibiotics are obstacles in the design of novel drugs. However, antibacterial prodrugs and conjugates have shown promise in circumventing resistance and tolerance mechanisms via directed delivery of antibiotics to the site of infection or to specific species or strains of bacteria. The selective targeting and increased permeability and accumulation of these prodrugs not only improves efficacy over unmodified drugs but also reduces off-target effects, toxicity, and development of resistance. Herein, we discuss some of these methods, including sideromycins, antibody-directed prodrugs, cell penetrating peptide conjugates, and codrugs.
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Affiliation(s)
- Ana V. Cheng
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - William M. Wuest
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
- Emory Antibiotic Resistance Center, Emory School of Medicine, 201 Dowman Drive, Atlanta, Georgia 30322, United States
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9
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Vosátka R, Krátký M, Vinšová J. Triclosan and its derivatives as antimycobacterial active agents. Eur J Pharm Sci 2018; 114:318-331. [DOI: 10.1016/j.ejps.2017.12.013] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 12/06/2017] [Accepted: 12/17/2017] [Indexed: 12/16/2022]
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10
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Macromolecular Conjugate and Biological Carrier Approaches for the Targeted Delivery of Antibiotics. Antibiotics (Basel) 2017; 6:antibiotics6030014. [PMID: 28677631 PMCID: PMC5617978 DOI: 10.3390/antibiotics6030014] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 06/24/2017] [Accepted: 06/29/2017] [Indexed: 01/21/2023] Open
Abstract
For the past few decades, the rapid rise of antibiotic multidrug-resistance has presented a palpable threat to human health worldwide. Meanwhile, the number of novel antibiotics released to the market has been steadily declining. Therefore, it is imperative that we utilize innovative approaches for the development of antimicrobial therapies. This article will explore alternative strategies, namely drug conjugates and biological carriers for the targeted delivery of antibiotics, which are often eclipsed by their nanomedicine-based counterparts. A variety of macromolecules have been investigated as conjugate carriers, but only those most widely studied in the field of infectious diseases (e.g., proteins, peptides, antibodies) will be discussed in detail. For the latter group, blood cells, especially erythrocytes, have been successfully tested as homing carriers of antimicrobial agents. Bacteriophages have also been studied as a candidate for similar functions. Once these alternative strategies receive the amount of research interest and resources that would more accurately reflect their latent applicability, they will inevitably prove valuable in the perennial fight against antibiotic resistance.
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Chiurciu C, Chiurciu V, Oporanu M, Pătrașcu IV, Mihai I, Tablică M, Cristina RT. PC2 Ovotransferrin: Characterization and Alternative Immunotherapeutic Activity. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2017; 2017:8671271. [PMID: 28408944 PMCID: PMC5376941 DOI: 10.1155/2017/8671271] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 02/22/2017] [Accepted: 02/26/2017] [Indexed: 11/17/2022]
Abstract
Characterization and evaluation of immunotherapeutic potential of ovotransferrin PC2 (OTf PC2) were performed in this study. The ovoprotein was obtained from egg white from hens immunized with bacterial antigens, pathogenic for humans. For the negative control samples, OTf was extracted from eggs collected from Specific Pathogen-Free (SPF) hens and purified by affinity chromatography on Protein G-agarose column with two eluting peaks: I, representing ovalbumin, and II, ovotransferrin. The final apo-OTf form was reached by successive precipitation with ammonium sulfate and citric acid and the holo-OTf form by saturating the apo-form with FeCl3. Multiple OTf PC2 samples were analyzed through Sodium Dodecyl Sulfate-Polyacrylamide Gel Electrophoresis (SDS-PAGE) and, based on the molecular marker migration model, the ovotransferrin (76.5 kDa) and ovalbumin (45 kDa) were detected. The agglutination reaction exhibited statistically significant high specificity of the multiple OTf PC2, by reacting with the antigens used for hens' immunization. Following ELISA, it was established that OTf PC2 from hyperimmune eggs has specificity for all antigens; the antibody titer was high, indicating that OTf PC2 possesses immunological properties similar to immunoglobulin Y (Ig Y). This study suggests that OTf PC2 immunological activity may play a crucial role in the prevention and treatment of infections resistant to antibiotics and OTf PC2 can also act as a valuable nutraceutical.
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Affiliation(s)
- Constantin Chiurciu
- S.C. Romvac Company S.A., Soseaua Centurii 7, Voluntari, 77190 Ilfov, Romania
| | - Viorica Chiurciu
- S.C. Romvac Company S.A., Soseaua Centurii 7, Voluntari, 77190 Ilfov, Romania
| | - Mariana Oporanu
- S.C. Romvac Company S.A., Soseaua Centurii 7, Voluntari, 77190 Ilfov, Romania
| | | | - Iuliana Mihai
- S.C. Romvac Company S.A., Soseaua Centurii 7, Voluntari, 77190 Ilfov, Romania
| | - Mădălina Tablică
- S.C. Romvac Company S.A., Soseaua Centurii 7, Voluntari, 77190 Ilfov, Romania
| | - Romeo Teodor Cristina
- Department of Pharmacology and Pharmacy, Faculty of Veterinary Medicine, Banat's University of Agriculture and Veterinary Medicine “King Michael I of Romania” from Timișoara, 119 Calea Aradului, 300645 Timișoara, Romania
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12
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Yi Y, Xu X, Liu Y, Xu S, Huang X, Liang J, Shang R. Synthesis and antibacterial activities of novel pleuromutilin derivatives with a substituted pyrimidine moiety. Eur J Med Chem 2017; 126:687-695. [PMID: 27940400 DOI: 10.1016/j.ejmech.2016.11.054] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Revised: 11/20/2016] [Accepted: 11/26/2016] [Indexed: 11/28/2022]
Abstract
The alarming growth of multidrug-resistant bacteria such as methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant Enterococci (VRE) has become a major global health hazard. Therefore, urgent demand for new antibiotics with a unique mechanism of action is very necessary. The present study reports the design, synthesis, and antibacterial studies of a series of novel pleuromutilin derivatives with substituted 6-amino pyrimidine moieties. Most of the tested compounds exhibited highly potent anti-MRSA or Staphylococcus aureus (S. aureus) activities. 14-O-[(4,6-Diamino -pyrimidine-2-yl) thioacetyl] mutilin (3) and 14-O-[(2-((3R)-3-Hydroxymethylpiperidine-1-yl)-acetamido-6-aminopyrimidine-2-yl) thioacetyl] mutilin (5h) were the most active compounds and showed higher antibacterial activities. Compound 3 displayed rapid bactericidal activity and affected bacterial growth with the same manner as tiamulin fumarate. Docking experiments for compounds 3 and 5h carried out on the peptidyl transferase center (PTC) of 23S rRNA provided the information about the binding model. In vivo mouse systemic infection experimental results confirmed the therapeutic efficacy of compound 3, with ED50 of 4.22 mg/kg body weight against MRSA.
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Affiliation(s)
- Yunpeng Yi
- Key Laboratory of New Animal Drug Project of Gansu Province, Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, China; Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, 335 Jiangouyan, Lanzhou, 730050, China
| | - Ximing Xu
- Institut Pasteur, Unité de Pathogenèse des infections vasculaires, Département de Biologie Cellulaire et Infection, Paris, 75015, France
| | - Yu Liu
- Key Laboratory of New Animal Drug Project of Gansu Province, Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, China; Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, 335 Jiangouyan, Lanzhou, 730050, China
| | - Shuijin Xu
- Yancheng YouHua Pharmaceutical & Chemical Technology Co., Ltd., Yancheng, 224555, China
| | - Xin Huang
- Key Laboratory of New Animal Drug Project of Gansu Province, Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, China; Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, 335 Jiangouyan, Lanzhou, 730050, China
| | - Jianping Liang
- Key Laboratory of New Animal Drug Project of Gansu Province, Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, China; Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, 335 Jiangouyan, Lanzhou, 730050, China.
| | - Ruofeng Shang
- Key Laboratory of New Animal Drug Project of Gansu Province, Key Laboratory of Veterinary Pharmaceutical Development, Ministry of Agriculture, China; Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, 335 Jiangouyan, Lanzhou, 730050, China.
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13
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Hu Y, Ren G, Deng L, Zhang J, Liu H, Mu S, Wu T. Degradable UV-crosslinked hydrogel for the controlled release of triclosan with reduced cytotoxicity. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 67:151-158. [PMID: 27287109 DOI: 10.1016/j.msec.2016.05.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Revised: 03/31/2016] [Accepted: 05/01/2016] [Indexed: 10/21/2022]
Affiliation(s)
- Yunfeng Hu
- Department of Dermatology, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou 510630, Guangdong, China
| | - Guangli Ren
- Department of Pediatrics, General Hospital of Guangzhou Military Command of PLA, Guangzhou 510010, China
| | - Liehua Deng
- Department of Dermatology, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou 510630, Guangdong, China.
| | - Jinglin Zhang
- Department of Light Chemical Engineering, Guangdong Polytechnic, Foshan 528041, China
| | - Huidi Liu
- Scientific Research Office, Guangdong Polytechnic, Foshan 528041, China
| | - Shansong Mu
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Ting Wu
- Department of Light Chemical Engineering, Guangdong Polytechnic, Foshan 528041, China.
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14
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Hai J, Serradji N, Mouton L, Redeker V, Cornu D, El Hage Chahine JM, Verbeke P, Hémadi M. Targeted Delivery of Amoxicillin to C. trachomatis by the Transferrin Iron Acquisition Pathway. PLoS One 2016; 11:e0150031. [PMID: 26919720 PMCID: PMC4768884 DOI: 10.1371/journal.pone.0150031] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Accepted: 02/08/2016] [Indexed: 01/13/2023] Open
Abstract
Weak intracellular penetration of antibiotics makes some infections difficult to treat. The Trojan horse strategy for targeted drug delivery is among the interesting routes being explored to overcome this therapeutic difficulty. Chlamydia trachomatis, as an obligate intracellular human pathogen, is responsible for both trachoma and sexually transmitted diseases. Chlamydia develops in a vacuole and is therefore protected by four membranes (plasma membrane, bacterial inclusion membrane, and bacterial membranes). In this work, the iron-transport protein, human serum-transferrin, was used as a Trojan horse for antibiotic delivery into the bacterial vacuole. Amoxicillin was grafted onto transferrin. The transferrin-amoxicillin construct was characterized by mass spectrometry and absorption spectroscopy. Its affinity for transferrin receptor 1, determined by fluorescence emission titration [KaffTf-amox = (1.3 ± 1.0) x 108], is very close to that of transferrin [4.3 x 108]. Transmission electron and confocal microscopies showed a co-localization of transferrin with the bacteria in the vacuole and were also used to evaluate the antibiotic capability of the construct. It is significantly more effective than amoxicillin alone. These promising results demonstrate targeted delivery of amoxicillin to suppress Chlamydia and are of interest for Chlamydiaceae and maybe other intracellular bacteria therapies.
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Affiliation(s)
- Jun Hai
- ITODYS, Interfaces, Traitements, Organisation et Dynamique des Systèmes, Université Paris Diderot, Sorbonne Paris Cité, CNRS-UMR 7086, 15 rue Jean-Antoine de Baïf, 75205 Paris Cedex 13, France
| | - Nawal Serradji
- ITODYS, Interfaces, Traitements, Organisation et Dynamique des Systèmes, Université Paris Diderot, Sorbonne Paris Cité, CNRS-UMR 7086, 15 rue Jean-Antoine de Baïf, 75205 Paris Cedex 13, France
| | - Ludovic Mouton
- ITODYS, Interfaces, Traitements, Organisation et Dynamique des Systèmes, Université Paris Diderot, Sorbonne Paris Cité, CNRS-UMR 7086, 15 rue Jean-Antoine de Baïf, 75205 Paris Cedex 13, France
| | - Virginie Redeker
- Paris-Saclay Institute of Neuroscience, CNRS-UMR 9197, 1 avenue de la Terrasse, 91190 Gif-sur-Yvette, France
| | - David Cornu
- Service d’Identification et de Caractérisation des Protéines, CNRS-UMR 9198, 1 avenue de la Terrasse, 91190 Gif-sur-Yvette, France
| | - Jean-Michel El Hage Chahine
- ITODYS, Interfaces, Traitements, Organisation et Dynamique des Systèmes, Université Paris Diderot, Sorbonne Paris Cité, CNRS-UMR 7086, 15 rue Jean-Antoine de Baïf, 75205 Paris Cedex 13, France
- * E-mail: (MH); (JEHC); (PV)
| | - Philippe Verbeke
- UMR 1149 Inserm, Université Paris Diderot, Sorbonne Paris Cité, ERL-CNRS 8252, Faculté de Médecine, site Bichat, 16 rue Henri Huchard, 75018 Paris, France
- * E-mail: (MH); (JEHC); (PV)
| | - Miryana Hémadi
- ITODYS, Interfaces, Traitements, Organisation et Dynamique des Systèmes, Université Paris Diderot, Sorbonne Paris Cité, CNRS-UMR 7086, 15 rue Jean-Antoine de Baïf, 75205 Paris Cedex 13, France
- * E-mail: (MH); (JEHC); (PV)
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15
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Giansanti F, Leboffe L, Angelucci F, Antonini G. The Nutraceutical Properties of Ovotransferrin and Its Potential Utilization as a Functional Food. Nutrients 2015; 7:9105-15. [PMID: 26556366 PMCID: PMC4663581 DOI: 10.3390/nu7115453] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Revised: 10/21/2015] [Accepted: 10/23/2015] [Indexed: 12/13/2022] Open
Abstract
Ovotransferrin or conalbumin belong to the transferrin protein family and is endowed with both iron-transfer and protective activities. In addition to its well-known antibacterial properties, ovotransferrin displays other protective roles similar to those already ascertained for the homologous mammalian lactoferrin. These additional functions, in many cases not directly related to iron binding, are also displayed by the peptides derived from partial hydrolysis of ovotransferrin, suggesting a direct relationship between egg consumption and human health.
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Affiliation(s)
- Francesco Giansanti
- Department of Health, Life and Environmental Sciences, University of L'Aquila, L'Aquila I-67100, Italy.
- Interuniversity Consortium INBB Biostructures and Biosystems National Institute, Rome I-00136, Italy.
| | - Loris Leboffe
- Interuniversity Consortium INBB Biostructures and Biosystems National Institute, Rome I-00136, Italy.
- Department of Sciences, Roma Tre University, Rome I-00146, Italy.
| | - Francesco Angelucci
- Department of Health, Life and Environmental Sciences, University of L'Aquila, L'Aquila I-67100, Italy.
| | - Giovanni Antonini
- Interuniversity Consortium INBB Biostructures and Biosystems National Institute, Rome I-00136, Italy.
- Department of Sciences, Roma Tre University, Rome I-00146, Italy.
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