Abstract
The emergence of methicillin-resistant Staphylococcus aureus (MRSA) imposes a major challenge for the treatment of infectious diseases with existing antibiotics. MRSA associated with superficial skin and soft tissue infections (SSTIs) is one of them, affecting the skin’s superficial layers, and it includes impetigo, folliculitis, cellulitis, furuncles, abscesses, surgical site infections, etc. The efficient care of superficial SSTIs caused by MRSA necessitates local administration of antibiotics, because oral antibiotics does not produce the required concentration at the local site. The topical administration of nanocarriers has been emerging in the area of drug delivery due to its advantages over conventional topical formulation. It enhances the solubility and permeation of the antibiotics into deeper layer of the skin. Apart from this, antibiotic resistance is something that needs to be combated on multiple fronts, and antibiotics encapsulated in nanocarriers help to do so by increasing the therapeutic efficacy in a number of different ways. The current review provides an overview of the resistance mechanism in S. aureus as well as various nanocarriers reported for the effective management of MRSA-associated superficial SSTIs.
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All the data was provided in the manuscript.
Abbreviations
- SSTIs:
-
Skin and soft tissue infections
- MRSA:
-
Methicillin-resistant Staphylococcus aureus
- MSSA:
-
Methicillin-sensitive Staphylococcus aureus
- MIC:
-
Minimum inhibitory concentration
- MBC:
-
Minimum bactericidal concentration
- CFU:
-
Colony-forming unit
- ZP:
-
Zeta potential
- ZI:
-
Zone of inhibition
- PDI:
-
Polydispersity index
- DMPC:
-
Dimyristoylphosphatidylcholine
- DA:
-
Deoxycholic acid
- EE:
-
Encapsulation efficiency
- LE:
-
Loading efficiency
- SEM:
-
Scanning electron microscopy
- TGA:
-
Thermogravimetric analysis
- TSS:
-
Toxic shock syndrome
- PBPs:
-
Penicillin-binding protein
- h:
-
Hour
- RI:
-
Refractive index
- EDX:
-
Energy-dispersive X-ray
- EDS:
-
Elemental annotation via automated EDS
- AFM:
-
Atomic force microscopy
- CSLM:
-
Confocal laser scanning microscopy
- FTIR:
-
Fourier-transform infrared spectroscopy
- TEM:
-
Transmission electron microscopy
- DSC:
-
Differential scanning calorimetry
- XRD:
-
X-ray powder diffraction
- ICP-MS:
-
Inductively coupled plasma mass spectrometry
- AAS:
-
Atomic absorption spectroscopy
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Acknowledgements
The authors are thankful to the Department of Pharmacy, BITS-Pilani, Pilani Campus, Rajasthan, and the Department of Agriculture and Environmental Sciences, NIFTEM, Kundli, for providing facilities and support.
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The DST-SEED (SP/YO/385/2018), New Delhi, and BITS-Pilani, Pilani campus for providing financial support.
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Conceptualization and supervision: Atish T. Paul and Bhim Pratap Singh.
Writing — original draft: Karnam Sriravali
Review and editing: Anil B. Jindal and Charu Agnihotri
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Karnam, S., Jindal, A.B., Agnihotri, C. et al. Topical Nanotherapeutics for Treating MRSA-Associated Skin and Soft Tissue Infection (SSTIs). AAPS PharmSciTech 24, 108 (2023). https://doi.org/10.1208/s12249-023-02563-2
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DOI: https://doi.org/10.1208/s12249-023-02563-2