1
|
Singh P, Shukla P, Narula AK, Deswal D. Polysaccharides and lipoproteins as reactants for the synthesis of pharmaceutically important scaffolds: A review. Int J Biol Macromol 2023; 242:124884. [PMID: 37207747 DOI: 10.1016/j.ijbiomac.2023.124884] [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: 02/13/2023] [Revised: 04/17/2023] [Accepted: 05/12/2023] [Indexed: 05/21/2023]
Abstract
The growing number of diseases in the past decade has once again highlighted the need for extensive research on the development of novel drugs. There has been a major expansion in the number of people suffering from malignant diseases and types of life-threatening microbial infections. The high mortality rates caused by such infections, their associated toxicity, and a growing number of microbes with acquired resistance necessitate the need to further explore and develop the synthesis of pharmaceutically important scaffolds. Chemical entities derived from biological macromolecules like carbohydrates and lipids have been explored and observed to be effective agents in the treatment of microbial infections and diseases. These biological macromolecules offer a variety of chemical properties that have been exploited for the synthesis of pharmaceutically relevant scaffolds. All biological macromolecules are long chains of similar atomic groups which are connected by covalent bonds. By altering the attached groups, the physical and chemical properties can be altered and molded as per the clinical applications and needs, this ring them potential candidates for drug synthesis. The present review establishes the role and significance of biological macromolecules by articulating various reactions and pathways reported in the literature.
Collapse
Affiliation(s)
- Parinita Singh
- Centre of Excellence in Pharmaceutical Sciences (CEPS), Guru Gobind Singh Indraprastha University (GGSIPU), New Delhi, India
| | - Pratibha Shukla
- Centre of Excellence in Pharmaceutical Sciences (CEPS), Guru Gobind Singh Indraprastha University (GGSIPU), New Delhi, India
| | - A K Narula
- Centre of Excellence in Pharmaceutical Sciences (CEPS), Guru Gobind Singh Indraprastha University (GGSIPU), New Delhi, India
| | - Deepa Deswal
- Centre of Excellence in Pharmaceutical Sciences (CEPS), Guru Gobind Singh Indraprastha University (GGSIPU), New Delhi, India.
| |
Collapse
|
2
|
Yu F, Shen Y, Qin Y, Pang Y, Fan H, Peng J, Pei X, Liu X. Isolation and purification of antibacterial lipopeptides from Bacillus velezensis YA215 isolated from sea mangroves. Front Nutr 2022; 9:1064764. [PMID: 36505249 PMCID: PMC9730517 DOI: 10.3389/fnut.2022.1064764] [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: 10/08/2022] [Accepted: 11/09/2022] [Indexed: 11/25/2022] Open
Abstract
The increasing burden and health risks of antimicrobial resistance (AMR) pose a great threat to society overall. Lipopeptides exhibit great potential as novel and safe alternatives to traditional antibiotics. In this study, the strain YA215, which was isolated from the mangrove area in Beibu Gulf, Guangxi, China, was identified as Bacillus velezensis. Then, YA215 lipopeptide extracts (YA215LE) from B. velezensis was found to exhibit a wide spectrum of antibacterial and antifungal activities. Additionally, YA215LE was identified and found to contain three groups of lipopeptides (surfactin, iturin, and fengycin). Furthermore, one separation fraction (BVYA1) with significant antibacterial activity was obtained. Additionally, liquid chromatography tandem mass spectrometry (LC-MS/MS) analysis of BVYA1 showed three molecular ion peaks ([M + H]+: m/z 980.62; 994.66; 1008.66) corresponding to conventional surfactin homologs. By MS/MS analysis, BVYA1 was identified as sufactin with the precise amino acid sequence Glu-Leu/Ile-Leu-Val-Asp-Leu-Leu/Ile and hydroxyl fatty acids with 11-13 carbons. [M + H]+ at m/z 980.62 was detected for the first time in B. velezensis, which demonstrates that the strain corresponds to a new surfactin variant. In particular, BVYA1 showed antibacterial activity with the minimum inhibitory concentration (MIC) values of 7.5-15 μg/ml. Finally, the preliminary mechanism of inhibiting E. coli treated with BVYA1 showed that BVYA1 effectively permeabilized the cytoplasmic membrane and disrupted the morphology of targeted bacterial cells. In conclusion, this study suggests that the YA215LE from B. velezensis YA215 might be a potential candidate for a bactericide.
Collapse
|
3
|
Segovia R, Solé J, Marqués AM, Cajal Y, Rabanal F. Unveiling the Membrane and Cell Wall Action of Antimicrobial Cyclic Lipopeptides: Modulation of the Spectrum of Activity. Pharmaceutics 2021; 13:pharmaceutics13122180. [PMID: 34959460 PMCID: PMC8708274 DOI: 10.3390/pharmaceutics13122180] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/10/2021] [Accepted: 12/13/2021] [Indexed: 12/23/2022] Open
Abstract
Antibiotic resistance is a major public health challenge, and Gram-negative multidrug-resistant bacteria are particularly dangerous. The threat of running out of active molecules is accelerated by the extensive use of antibiotics in the context of the COVID-19 pandemic, and new antibiotics are urgently needed. Colistin and polymyxin B are natural antibiotics considered as last resort drugs for multi-resistant infections, but their use is limited because of neuro- and nephrotoxicity. We previously reported a series of synthetic analogues inspired in natural polymyxins with a flexible scaffold that allows multiple modifications to improve activity and reduce toxicity. In this work, we focus on modifications in the hydrophobic domains, describing analogues that broaden or narrow the spectrum of activity including both Gram-positive and Gram-negative bacteria, with MICs in the low µM range and low hemolytic activity. Using biophysical methods, we explore the interaction of the new molecules with model membranes that mimic the bacterial inner and outer membranes, finding a selective effect on anionic membranes and a mechanism of action based on the alteration of membrane function. Transmission electron microscopy observation confirms that polymyxin analogues kill microbial cells primarily by damaging membrane integrity. Redistribution of the hydrophobicity within the polymyxin molecule seems a plausible approach for the design and development of safer and more selective antibiotics.
Collapse
Affiliation(s)
- Roser Segovia
- Section of Organic Chemistry, Department of Inorganic and Organic Chemistry, Faculty of Chemistry, University of Barcelona, 08028 Barcelona, Spain; (R.S.); (J.S.)
| | - Judith Solé
- Section of Organic Chemistry, Department of Inorganic and Organic Chemistry, Faculty of Chemistry, University of Barcelona, 08028 Barcelona, Spain; (R.S.); (J.S.)
| | - Ana Maria Marqués
- Laboratory of Microbiology, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08007 Barcelona, Spain;
| | - Yolanda Cajal
- Department of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain
- Institute of Nanoscience and Nanotechnology (IN2UB), 08028 Barcelona, Spain
- Correspondence: (Y.C.); (F.R.)
| | - Francesc Rabanal
- Section of Organic Chemistry, Department of Inorganic and Organic Chemistry, Faculty of Chemistry, University of Barcelona, 08028 Barcelona, Spain; (R.S.); (J.S.)
- Correspondence: (Y.C.); (F.R.)
| |
Collapse
|
4
|
Study of the Mechanism of the Antimicrobial Activity of Novel Water Soluble Ammonium Quaternary Benzanthrone on Model Membranes. J Membr Biol 2020; 253:247-256. [PMID: 32393995 DOI: 10.1007/s00232-020-00121-6] [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: 01/30/2020] [Accepted: 05/02/2020] [Indexed: 10/24/2022]
Abstract
The increasing resistance of many pathogens to most of the common antimicrobials requires the development of new substances with more effective antimicrobial properties. In the present work, we investigated the mechanism of the antimicrobial activity of novel water soluble ammonium quaternary benzanthrone (Compound B) on model membranes, composed of dipalmitoylphosphatidylcholine, 1-palmitoyl-2-oleoylphosphatidylcholine, dipalmitoylphosphatidylglycerol, 1-palmitoyl-2-oleoylphosphatidylglycerol, and dipalmitoylphosphatidylethanolamine (DPPE). The lipids were chosen to represent a model of a bacterial membrane. The changes in surface pressure of the model membranes, before and after the addition of Compound B, were studied by the Langmuir's monolayer method, and the compressional modulus for each monolayer was determined. In addition, the surface morphology of the lipid monolayers before and after injection of Compound B was monitored by Brewster Angle Microscopy. The results showed that Compound B penetrated all the monolayers studied. The most noticeable effects were found with the negatively charged phosphatidylglycerols and with DPPE leading to the conclusion that the electrostatic interactions between the compound and the lipid head groups and the possible formation of hydrogen bonds between the amino group of the ethanolamine and the keto groups in the structure of Compound B are of great importance. In addition, the penetration ability of the benzoquinone with all phospholipids studied was stable even at higher values of the surface pressure, i.e. thicker monolayers, due to the hydrophobic interaction, which plays also an important role for the antimicrobial activity of Compound B.
Collapse
|
5
|
Spectroscopic properties of an amphiphilic naphthalimide derivative with high surface activity and detection of trace salt in the water as a fluorescent sensor. Colloids Surf A Physicochem Eng Asp 2017. [DOI: 10.1016/j.colsurfa.2017.07.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
6
|
Rabanal F, Cajal Y. Recent advances and perspectives in the design and development of polymyxins. Nat Prod Rep 2017. [PMID: 28628170 DOI: 10.1039/c7np00023e] [Citation(s) in RCA: 97] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Covering: 1947-early 2017, particularly from 2005-early 2017The rise of bacterial pathogens with acquired resistance to almost all available antibiotics is becoming a serious public health issue. Polymyxins, antibiotics that were mostly abandoned a few decades ago because of toxicity concerns, are ultimately considered as a last-line therapy to treat infections caused by multi-drug resistant Gram-negative bacteria. This review surveys the progress in understanding polymyxin structure, and their chemistry, mechanisms of antibacterial activity and nephrotoxicity, biomarkers, synergy and combination with other antimicrobial agents and antibiofilm properties. An update of recent efforts in the design and development of a new generation of polymyxin drugs is also discussed. A novel approach considering the modification of the scaffold of polymyxins to integrate metabolism and detoxification issues into the drug design process is a promising new line to potentially prevent accumulation in the kidneys and reduce nephrotoxicity.
Collapse
Affiliation(s)
- Francesc Rabanal
- Organic Chemistry Section, Department of Inorganic and Organic Chemistry, Faculty of Chemistry, University of Barcelona, Spain.
| | | |
Collapse
|
7
|
Sierra JM, Fusté E, Rabanal F, Vinuesa T, Viñas M. An overview of antimicrobial peptides and the latest advances in their development. Expert Opin Biol Ther 2017; 17:663-676. [PMID: 28368216 DOI: 10.1080/14712598.2017.1315402] [Citation(s) in RCA: 160] [Impact Index Per Article: 22.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION The recent dramatic increase in the incidence of antimicrobial resistance has been recognized by organizations such as the United Nations and World Health Organization as well as the governments of the USA and several European countries. A relatively new weapon in the fight against severe infections caused by multi-drug resistant bacteria is antimicrobial peptides (AMPs). These include colistin, currently regarded as the last line of antimicrobial therapy against multi-drug resistant microorganisms. Areas covered: Here, the authors provide an overview of the current research on AMPs. The focus is AMPs currently being developed for the treatment of recalcitrant bacterial infections, the synergies of AMPs and antibiotics, and the activity of AMPs against biofilm. This review also includes a brief introduction into the use of AMPs in infections caused by Mycobacterium, fungi, and parasites. Expert opinion: In research into new antimicrobials, AMPs are gaining increasing attention. While many are natural and are produced by a wide variety of organisms, others are being newly designed and chemically synthesized in the laboratory to achieve novel antimicrobial agents. The same strategy to fight infections in nature is thus being effectively exploited to safeguard human and animal health.
Collapse
Affiliation(s)
- Josep M Sierra
- a Laboratory of Molecular Microbiology and Antimicrobials, Department of Pathology and Experimental Therapeutics, School of Medicine , University of Barcelona , Barcelona , Spain
| | - Ester Fusté
- a Laboratory of Molecular Microbiology and Antimicrobials, Department of Pathology and Experimental Therapeutics, School of Medicine , University of Barcelona , Barcelona , Spain.,b Dept. Public Health, Mental Health and Perinatal Nursing. School of nursing , University of Barcelona , Barcelona , Spain
| | - Francesc Rabanal
- c Department of Organic Chemistry, Faculty of Chemistry , University of Barcelona , Barcelona , Spain
| | - Teresa Vinuesa
- a Laboratory of Molecular Microbiology and Antimicrobials, Department of Pathology and Experimental Therapeutics, School of Medicine , University of Barcelona , Barcelona , Spain
| | - Miguel Viñas
- a Laboratory of Molecular Microbiology and Antimicrobials, Department of Pathology and Experimental Therapeutics, School of Medicine , University of Barcelona , Barcelona , Spain.,d Departament of Biomedicine , Cooperativa de Ensino Superior Politécnico e Universitário, IINFACTS , Gandra , Portugal
| |
Collapse
|
8
|
Grau-Campistany A, Manresa Á, Pujol M, Rabanal F, Cajal Y. Tryptophan-containing lipopeptide antibiotics derived from polymyxin B with activity against Gram positive and Gram negative bacteria. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2016; 1858:333-43. [DOI: 10.1016/j.bbamem.2015.11.011] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 10/26/2015] [Accepted: 11/18/2015] [Indexed: 12/16/2022]
|