دورية أكاديمية
Photoinactivation of Mycobacterium tuberculosis and Mycobacterium smegmatis by Near-Infrared Radiation Using a Trehalose-Conjugated Heptamethine Cyanine.
العنوان: | Photoinactivation of Mycobacterium tuberculosis and Mycobacterium smegmatis by Near-Infrared Radiation Using a Trehalose-Conjugated Heptamethine Cyanine. |
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المؤلفون: | Kozobkova NV; A.N. Bach Institute of Biochemistry, Federal Research Centre 'Fundamentals of Biotechnology' of the Russian Academy of Sciences, Moscow 119071, Russia., Samtsov MP; A.N. Sevchenko Institute of Applied Physical Problems of the Belarusian State University, 220045 Minsk, Belarus., Lugovski AP; A.N. Sevchenko Institute of Applied Physical Problems of the Belarusian State University, 220045 Minsk, Belarus., Bel'ko NV; A.N. Sevchenko Institute of Applied Physical Problems of the Belarusian State University, 220045 Minsk, Belarus., Tarasov DS; A.N. Sevchenko Institute of Applied Physical Problems of the Belarusian State University, 220045 Minsk, Belarus., Kaprelyants AS; A.N. Bach Institute of Biochemistry, Federal Research Centre 'Fundamentals of Biotechnology' of the Russian Academy of Sciences, Moscow 119071, Russia., Savitsky AP; A.N. Bach Institute of Biochemistry, Federal Research Centre 'Fundamentals of Biotechnology' of the Russian Academy of Sciences, Moscow 119071, Russia., Shleeva MO; A.N. Bach Institute of Biochemistry, Federal Research Centre 'Fundamentals of Biotechnology' of the Russian Academy of Sciences, Moscow 119071, Russia. |
المصدر: | International journal of molecular sciences [Int J Mol Sci] 2024 Aug 04; Vol. 25 (15). Date of Electronic Publication: 2024 Aug 04. |
نوع المنشور: | Journal Article |
اللغة: | English |
بيانات الدورية: | Publisher: MDPI Country of Publication: Switzerland NLM ID: 101092791 Publication Model: Electronic Cited Medium: Internet ISSN: 1422-0067 (Electronic) Linking ISSN: 14220067 NLM ISO Abbreviation: Int J Mol Sci Subsets: MEDLINE |
أسماء مطبوعة: | Original Publication: Basel, Switzerland : MDPI, [2000- |
مواضيع طبية MeSH: | Mycobacterium smegmatis*/drug effects , Mycobacterium smegmatis*/radiation effects , Infrared Rays* , Trehalose*/pharmacology , Trehalose*/chemistry , Mycobacterium tuberculosis*/drug effects , Mycobacterium tuberculosis*/radiation effects , Photosensitizing Agents*/pharmacology , Photosensitizing Agents*/chemistry, Carbocyanines/chemistry ; Carbocyanines/pharmacology ; Photochemotherapy/methods |
مستخلص: | The spread of multidrug-resistant mycobacterium strains requires the development of new approaches to combat diseases caused by these pathogens. For that, photodynamic inactivation (PDI) is a promising approach. In this study, a tricarbocyanine (TCC) is used for the first time as a near-infrared (740 nm) activatable PDI photosensitizer to kill mycobacteria with deep light penetration. For better targeting, a novel tricarbocyanine dye functionalized with two trehalose units (TCC2Tre) is developed. The photodynamic effect of the conjugates against mycobacteria, including Mycobacterium tuberculosis , is evaluated. Under irradiation, TCC2Tre causes more effective killing of mycobacteria compared to the photosensitizer without trehalose conjugation, with 99.99% dead vegetative cells of M. tuberculosis and M. smegmatis . In addition, effective photoinactivation of dormant forms of M. smegmatis is observed after incubation with TCC2Tre. Mycobacteria treated with TCC2Tre are more sensitive to 740 nm light than the Gram-positive Micrococcus luteus and the Gram-negative Escherichia coli . For the first time, this study demonstrates the proof of principle of in vitro PDI of mycobacteria including the fast-growing M. smegmatis and the slow-growing M. tuberculosis using near-infrared activatable photosensitizers conjugated with trehalose. These findings are useful for the development of new efficient alternatives to antibiotic therapy. |
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معلومات مُعتمدة: | 24-15-00221 the Russian Science Foundation |
فهرسة مساهمة: | Keywords: Mycobacterium tuberculosis; antibacterial photodynamic inactivation; dormant mycobacteria; mycobacteria; trehalose; tricarbocyanine dye |
المشرفين على المادة: | B8WCK70T7I (Trehalose) 0 (Photosensitizing Agents) 0 (Carbocyanines) |
تواريخ الأحداث: | Date Created: 20240810 Date Completed: 20240810 Latest Revision: 20240812 |
رمز التحديث: | 20240813 |
مُعرف محوري في PubMed: | PMC11313374 |
DOI: | 10.3390/ijms25158505 |
PMID: | 39126073 |
قاعدة البيانات: | MEDLINE |
تدمد: | 1422-0067 |
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DOI: | 10.3390/ijms25158505 |