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Activity of Fluoroquinolones and Proton Pump Inhibitors against Resistant Oral Bacterial Biofilms, in silico and in vitro Analysis

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13 set 2024
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Fig. 1.

3D interaction and H, non-H bonding interactions of A) moxifloxacin (pose 3) B) ciprofloxacin (pose 3) and C) levofloxacin (Pose 1) inside binding sites of transcriptional regulator 4BXI.
3D interaction and H, non-H bonding interactions of A) moxifloxacin (pose 3) B) ciprofloxacin (pose 3) and C) levofloxacin (Pose 1) inside binding sites of transcriptional regulator 4BXI.

Fig. 2.

3D interaction and H, non-H bonding interactions of D) moxifloxacin (pose 2) E) ciprofloxacin (pose 8) and F) levofloxacin (Pose 2) inside binding sites of transcriptional regulator 3QP1
3D interaction and H, non-H bonding interactions of D) moxifloxacin (pose 2) E) ciprofloxacin (pose 8) and F) levofloxacin (Pose 2) inside binding sites of transcriptional regulator 3QP1

Fig. 3.

3D interaction and H, non-H bonding interactions of G) omeprazole (pose 1) H) esomeprazole (pose 1) and I) pantoprazole (Pose 1) inside binding sites of transcriptional regulator 4BXI.
3D interaction and H, non-H bonding interactions of G) omeprazole (pose 1) H) esomeprazole (pose 1) and I) pantoprazole (Pose 1) inside binding sites of transcriptional regulator 4BXI.

Fig. 4.

3D interaction and H, non-H bonding interactions of J) omeprazole (pose 5) K) esomeprazole (pose 3) and L) pantoprazole (Pose 1) inside binding sites of transcriptional regulator 3QP1.
3D interaction and H, non-H bonding interactions of J) omeprazole (pose 5) K) esomeprazole (pose 3) and L) pantoprazole (Pose 1) inside binding sites of transcriptional regulator 3QP1.

Antibiofilm assay of fluoroquinolones and PPI’s_

Sample Staphylococcus aureus Staphylococcus epidermidis
Ciprofloxacina 67 ± 1.23% 65 ± 2.1%
CIP-OMP 78 ± 2.1% 75 ± 0.48%
LEVb 74 ± 1.83% 68 ± 1.4%
LEV-OMP 82 ± 2.4% 76 ± 1.87%

Docking score, H and non H-bonding interactions of tested PPI’s_

Compound Binding free energy ΔG (kJ mol−1) Pose rank No. of H bonds H bond interaction residues Other interaction residues
4BXI
Dexlansoprazole –6.1 4 2 Lys289, Lys294 Glu286, Leu288, Ile313, Ile297, Ile301, Ile285
Esomeprazole –5.8 1 1 Lys401 Phe386, His379, Ile378, IL3375, Ile416, Phe382
Lansoprazole –6.5 2 1 Asp405 Lys401, Ala404, Asp408, Val410, Ala407, Leu411, Leu412, Leu 397
Omeprazole –5.4 7 2 Leu412, Thr414 Val410, Asp405, Ala404, Phe382, Leu397, Lys397, Lys401, Leu411
Pantoprazole –6.0 1 1 His 379 Phe386, Lys401, Phe382, Ile378, Phe421, Ile416
Rabeprazole –5.7 2 2 Thr414, Lys401 Phe382, Gln383, Phe386, Leu412, Asp413
3QP1
Dexlansoprazole –5.7 8 3 Glu112, Ser137, Thr131 Lys 124, Asn116, Phe 115, Ile127, Gly136, Arg159
Esomeprazole –5.9 3 4 Gln95, Arg101, Leu72, Asn64 Ala94, Ile69, Leu100, Gln70, Arg71, Gln68
Lansoprazole –6.2 1 1 Met30 Glu26, Ile34, Glu39, His33, His29
Omeprazole –6.0 2 4 Arg101, Leu72, Gln95, Asn64 Gln68, Ile69, Leu100, Ala94, Gln70, Arg71,
Pantoprazole –6.2 1 4 Leu72, Arg101, Asn64, Gln95 Gln70, Ala94, Ile69, Leu100,
Rabeprazole 2 3 Arg101, Asn64, Gln95 Gln66, Ile69, Leu72, Leu100, Ala94, Gln68

Determination of minimum inhibitory concentration MIC (μg/ml) of tested compounds_

Sample Staphylococcus epidermidis Staphylococcus aureus
Omeprazole > 64 3.9
Esomeprazole > 64 > 64
Pantoprazole > 64 > 64
Dexlansoprazole > 64 > 64
Lansoprazole > 64 > 64
Rabeprazole > 64 > 64
Ofloxacin 3.9 1.9
Ofloxacin/Omeprazole 3.9 3.9
Ofloxacin/Esomeprazole 3.9 3.9
Ofloxacin/Pantoprazole 3.9 3.9
Ofloxacin/Dexlansoprazole 3.9 3.9
Ofloxacin/Lansoprazole 3.9 3.9
Ofloxacin/Rabeprazole 3.9 3.9
Norfloxacin 7.8 3.9
Norfloxacin/Omeprazole 3.9 3.9
Norfloxacin/Esomeprazole 3.9 3.9
Norfloxacin/Pantoprazole 3.9 3.9
Norfloxacin/Dexlansoprazole 3.9 3.9
Norfloxacin/Lansoprazole 3.9 3.9
Norfloxacin/Rabeprazole 3.9 3.9
Moxifloxacin 3.9 3.9
Moxifloxacin/Omeprazole 3.9 3.9
Moxifloxacin/Esomeprazole 3.9 3.9
Moxifloxacin/Pantoprazole 3.9 3.9
Moxifloxacin/Dexlansoprazole 3.9 3.9
Moxifloxacin/Lansoprazole 3.9 3.9
Moxifloxacin/Rabeprazole 3.9 3.9
Ciprofloxacin 0.24 0.24
Ciprofloxacin/Omeprazole 0.12 0.12
Ciprofloxacin/Esomeprazole 0.24 0.24
Ciprofloxacin/Pantoprazole 0.12 0.24
Ciprofloxacin/Dexlansoprazole 0.24 0.24
Ciprofloxacin/Lansoprazole 0.24 0.24
Ciprofloxacin/Rabeprazole 0.24 0.24
Levofloxacin 1.2 1.2
Levofloxacin/Omeprazole 0.12 0.48
Levofloxacin/Esomeprazole 0.24 15.6
Levofloxacin/Pantoprazole 0.24 31.25
Levofloxacin/Dexlansoprazole 0.48 31.2
Levofloxacin/Lansoprazole 0.24 31.2
Levofloxacin/Rabeprazole 0.24 31.2

Docking score, H and non H-bonding interactions of fluoroquinolones compounds_

Compound Binding free energy ΔG (kJ mol−1) Pose rank No. of H bonds H bond interaction residues Other interaction residues
4BXI
Ciprofloxacin –5.7 3 2 Ile416, His379 Phe421, Thr414, Ile415, Phe382, Ile378
Levofloxacin –5.7 1 2 Ile416, His379 Phe421, Ile378, Phe382, Ile415, Thr414,
Moxifloxacin –6.4 3 2 Ala404, Thr414 Asp 413, Lys401, Leu412, Asp405, Val410, Leu411
Norfloxacin –6.3 2 3 His379, Ile416 Ile378, Phe382, Thr414, Ile415, Phe421
Ofloxacin –6.6 4 2 Arg331, Leu395 Asn339, Glu384, Leu381, Glu342, Ile335, Asp338
3QP1
Ciprofloxacin –5.6 7 3 Ser53, Glu54, Ala57 Pro52, Arg159, Arg163, Gly158, Arg55
Levofloxacin –6.5 2 2 Gly105, Arg10 Met9, Pro176, Gln180, His177, Ala144
Moxifloxacin –6.3 2 3 Gly136, Ser137, Arg159 Glu160, Pro52, Ala157, Arg55, Met135, Gly134,
Norfloxacin –5.4 6 3 Arg159, Ser137, Gly134 Arg55, Glu54, Ser53, Pro52, Gly158,
Ofloxacin –6.3 2 3 Arg159, Gly136, Ser137 Gly134, Arg55, Gly158, Ala157, Pro52, Glu54

Determination of antiquorum sensing activity of tested compounds_

Sample Anti QS (mm) % Violacine inhibition
Omeprazole 12 ± 0.12 56 ± 1.4
Esomeprazole 2 ± 0.11 0
Pantoprazole 0 0
Dexlansoprazole 2 ± 0.00 0
Lansoprazole 0 0
Rabeprazole 0 0
Ofloxacin 14 ± 1.00 65 ± 1.2
Ofloxacin/Omeprazole 19 ± 1.1 74 ± 1.24
Ofloxacin/Esomeprazole 18 ± 1.2 65 ± 0.56
Ofloxacin/Pantoprazole 16 ± 0.14 65 ± 1.45
Ofloxacin/Dexlansoprazole 18 ± 0.12 70 ± 1.41
Ofloxacin/Lansoprazole 19 ± 0.25 69 ± 1.6
Ofloxacin/Rabeprazole 19 ± 0.25 68 ± 1.4
Moxifloxacin 18 ± 1.1 62 ± 1.2
Moxifloxacin/Omeprazole 19 ± 0.56 70 ± 1.02
Moxifloxacin/Esomeprazole 18 ± 0.42 68 ± 0.78
Moxifloxacin/Pantoprazole 18 ± 0.00 66 ± 0.63
Moxifloxacin/Dexlansoprazole 18 ± 0.47 65 ± 1.6
Moxifloxacin/Lansoprazole 20 ± 0.63 72 ± 2.2
Moxifloxacin/Rabeprazole 20 ± 0.00 70 ± 1.7
Norfloxacin 18 ± 0.23 72 ± 0.63
Norfloxacin/Omeprazole 18 ± 0.45 68 ± 2.4
Norfloxacin/Esomeprazole 18 ± 0.63 65 ± 1.7
Norfloxacin/Pantoprazole 20 ± 1.1 68 ± 1.3
Norfloxacin/Dexlansoprazole 18 ± 0.63 70 ± 1.21
Norfloxacin/Lansoprazole 18 ± 0.42 72 ± 1.36
Norfloxacin/Rabeprazole 18 ± 0.12 70 ± 1.24
Ciprofloxacin 14 ± 0.63 60 ± 1.64
Ciprofloxacin/Omeprazole 19 ± 1.1 75 ± 0.46
Ciprofloxacin/Dexomeprazole 16 ± 1.3 68 ± 1.27
Ciprofloxacin/Pantoprazole 19 ± 1.1 76 ± 0.61
Ciprofloxacin/Omeprazole 16 ± 0.45 66 ± 2.5
Ciprofloxacin/Esomeprazole 19 ± 0.62 76 ± 1.4
Levofloxacin 20 ± 0.63 72 ± 1.26
Levofloxacin/Omeprazole 20 ± 0.45 76 ± 1.09
Levofloxacin/Esomeprazole 20 ± 0.25 70 ± 1.6
Levofloxacin/Pantoprazole 20 ± 0.13 74 ± 0.23
Levofloxacin/Dexlansoprazole 20 ± 0.45 72 ± 1.56
Levofloxacin/Lansoprazole 20 ± 0.12 74 ± 1.20
Levofloxacin/Rabeprazole 20 ± 0.63 76 ± 1.36
Lingua:
Inglese
Frequenza di pubblicazione:
4 volte all'anno
Argomenti della rivista:
Scienze biologiche, Microbiologia e virologia