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1.
Curr Mol Med ; 2023 May 18.
Artículo en Inglés | MEDLINE | ID: mdl-37202896

RESUMEN

Natural remedies from a range of sources, including plants, animals, microorganisms, and marine life, have made a significant contribution to the treatment of many ailments. Lavender is a Mediterranean shrub from the Lamiaceae family. Lavender flowers (Lavandula flores) include active ingredients (3%), anthocyanins, sugars, phytosterols, minerals, and tannins and are majorly used for herbal applications. Lavender essential oil's descriptive and analytical composition varies depending on genotype, growing region, climatic circumstances, propagation, and morphological characteristics. There are around 300 chemical components in essential oil. Linalool, terpinen-4-ol, linalyl acetate, ocimene, acetate lavandulol, and cineole are the most prominent constituents. Lavender oil has antibacterial and antioxidant properties. The lavender extract helps to prevent dementia and may slow cancer cell growth, while lavender oil is used to treat skin problems. This review will cover the recent medical, economic and regional advancements in levander propagation and how the Council of Scientific & Industrial Research Indian Institute of Integrative (CSIR IIIM) aroma mission is actively acting as a bridge between farmers and their economic improvement by attracting them to the field of medicinal plant cultivation.

2.
Med Oncol ; 40(1): 12, 2022 Nov 09.
Artículo en Inglés | MEDLINE | ID: mdl-36352310

RESUMEN

Cellular ROS production participates in various cellular functions but its accumulation decides the cell fate. Malignant cells have higher levels of ROS and active antioxidant machinery, a characteristic hallmark of cancer with an outcome of activation of stress-induced pathways like autophagy. Autophagy is an intracellular catabolic process that produces alternative raw materials to meet the energy demand of cells and is influenced by the cellular redox state thus playing a definite role in cancer cell fate. Since damaged mitochondria are the main source of ROS in the cell, however, cancer cells remove them by upregulating the process of mitophagy which is known to play a decisive role in tumorigenesis and tumor progression. Chemotherapy exploits cell machinery which results in the accumulation of toxic levels of ROS in cells resulting in cell death by activating either of the pathways like apoptosis, necrosis, ferroptosis or autophagy in them. So understanding these redox and autophagy regulations offers a promising method to design and develop new cancer therapies that can be very effective and durable for years. This review will give a summary of the current therapeutic molecules targeting redox regulation and autophagy for the treatment of cancer. Further, it will highlight various challenges in developing anticancer agents due to autophagy and ROS regulation in the cell and insights into the development of future therapies.


Asunto(s)
Neoplasias , Estrés Oxidativo , Humanos , Especies Reactivas de Oxígeno/metabolismo , Estrés Oxidativo/fisiología , Autofagia , Oxidación-Reducción , Neoplasias/tratamiento farmacológico , Neoplasias/metabolismo
4.
Sci Rep ; 12(1): 5052, 2022 03 23.
Artículo en Inglés | MEDLINE | ID: mdl-35322026

RESUMEN

Lysosomal biogenesis plays a vital role in cell fate. Under certain conditions, excessive lysosomal biogenesis leads to susceptibility for lysosomal membrane permeabilization resulting in various pathological conditions including cell death. In cancer cells apoptosis machinery becomes dysregulated during the course of treatment, thus allows cancer cells to escape apoptosis. So it is therefore imperative to identify cytotoxic agents that exploit non-apoptotic mechanisms of cell death. Our study showed that pancreatic cancer cells treated with SDS-203 triggered an incomplete autophagic response and a nuclear translocation of transcriptional factor TFEB. This resulted in abundant biosynthesis and accumulation of autophagosomes and lysosomes into the cells leading to their death. It was observed that the silencing of autophagy genes didn't alter the cell fate, whereas siRNA-mediated silencing of TFEB subdued SDS-203 mediated lysosomal biogenesis and associated cell death. Further mouse tumors treated with SDS-203 showed a significant reduction in tumor burden and increased expression of lysosomal markers. Taken together this study demonstrates that SDS-203 treatment triggers non-apoptotic cell death in pancreatic cancer cells through a mechanism of lysosome over accumulation.


Asunto(s)
Factores de Transcripción Básicos con Cremalleras de Leucinas y Motivos Hélice-Asa-Hélice , Neoplasias Pancreáticas , Animales , Autofagia/genética , Factores de Transcripción Básicos con Cremalleras de Leucinas y Motivos Hélice-Asa-Hélice/genética , Factores de Transcripción Básicos con Cremalleras de Leucinas y Motivos Hélice-Asa-Hélice/metabolismo , Muerte Celular , Lisosomas/metabolismo , Diana Mecanicista del Complejo 1 de la Rapamicina/metabolismo , Ratones , Neoplasias Pancreáticas/tratamiento farmacológico , Neoplasias Pancreáticas/genética , Neoplasias Pancreáticas/metabolismo
5.
Data Brief ; 9: 349-54, 2016 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-27672675

RESUMEN

Here we provide data for SILAC and iTRAQ based hyperplexing combined with BONCAT based click chemistry for selective enrichment of newly synthesized proteins secreted by THP1 macrophages at various time points after infection with four different strains of Mycobacterium tuberculosis. The macrophages were infected with H37Ra, H37Rv, BND433 and JAL2287 strains of M. tuberculosis. Newly-synthesized secreted host proteins were observed, starting from six hours post-infection till 26 h, at 4 h intervals. We have combined BONCAT with hyperplexing (18-plex), which blends SILAC and iTRAQ, for the first time. Two sets of triplex SILAC were used to encode the strains of M. tuberculosis - H37Ra & H37Rv in one and BND433 & JAL2287 in another with a control in each. BONCAT was used to enrich the secretome for newly synthesized proteins while 6-plex iTRAQ labeling was employed to quantify the temporal changes in the captured proteome. Each set of 18-plex was run in 4 MS replicates with two linear and two non-linear separation modes. This new variant of hyperplexing method, combining triplex SILAC with 6-plex iTRAQ, achieves 18-plex quantitation in a single MS run. Hyperplexing enables large scale spatio-temporal systems biology studies where large number of samples can be processed simultaneously and in quantitative manner. Data are available via ProteomeXchange with identifier ProteomeXchange: PXD004281.

6.
Nat Prod Res ; 30(20): 2291-8, 2016 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-27018200

RESUMEN

The methanolic extract of the Tanacetum gracile afforded the isolation of new sesquiterpene lactone, named gracilone (1) along with four known compounds as 14α-taraxeran-3-one (2), 14α-taraxeran-3-ol (3), apigenin (4) and ß-sitosterol (5). The structure of compound 1 was elucidated on the basis of 1D, 2D NMR and MS spectroscopic analysis. Antimicrobial, antioxidant and anticancer activities of all compounds were evaluated, from which gracilone (1) showed a moderate antibacterial activity, while apigenin (4) showed comparatively more antibacterial activity against both gram-positive and gram-negative tested strains.


Asunto(s)
Antibacterianos/farmacología , Antineoplásicos Fitogénicos/farmacología , Antioxidantes/farmacología , Lactonas/aislamiento & purificación , Sesquiterpenos/aislamiento & purificación , Tanacetum/química , Antibacterianos/química , Antineoplásicos Fitogénicos/química , Antioxidantes/química , Antioxidantes/aislamiento & purificación , Línea Celular Tumoral , Evaluación Preclínica de Medicamentos/métodos , Humanos , Concentración 50 Inhibidora , Lactonas/química , Lactonas/farmacología , Espectroscopía de Resonancia Magnética , Espectrometría de Masas , Estructura Molecular , Sesquiterpenos/química , Sesquiterpenos/farmacología , Sitoesteroles/aislamiento & purificación , Sitoesteroles/farmacología
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