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Molecular Biological Insights and Targeted Therapies for Sarcomas

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Oncology".

Deadline for manuscript submissions: 20 December 2024 | Viewed by 1544

Special Issue Editor


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Guest Editor
IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
Interests: cancer biology; sarcoma; IGF system; RNA-binding proteins; drug resistance; cell cultures
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Despite the rarity and heterogeneity of sarcoma, current intensive chemotherapy and surgical procedures are able to significanly ameliorate the survival of patients with localized disease. On the contrary, metastatic disease remains a major challenge. Breakthroughs in genomic sequencing techniques, coupled with advances in experimental models, have improved our knowledge of the mechanisms of progression and metastasis of sarcomas. These approaches hold the promise to benefits the development of novel targeted therapies and personalized treatment for sarcoma patients.

This Special Issue aims to provide new impetus to molecular and personalized medicine development for sarcomas. We are eager to publish original research as well as reviews on molecular biology, mechanisms of metastases, microenvironment, and cutting-edge treatments for bone and soft-tissue sarcomas—including discussions of epigenetics, genetics, signaling pathways, and immunotherapies. Reports on new combination therapies and novel preclinical models are also welcome.

Dr. Caterina Mancarella
Guest Editor

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Keywords

  • sarcoma
  • therapeutic target
  • preclinical models
  • molecular target

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Published Papers (1 paper)

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Research

16 pages, 5230 KiB  
Article
Studies on Autophagy and Apoptosis of Fibrosarcoma HT-1080 Cells Mediated by Chalcone with Indole Moiety
by Ewelina Honkisz-Orzechowska, Olga Barczyk-Woźnicka, Maria Kaleta, Jadwiga Handzlik and Katarzyna Kieć-Kononowicz
Int. J. Mol. Sci. 2024, 25(11), 6100; https://doi.org/10.3390/ijms25116100 - 1 Jun 2024
Cited by 1 | Viewed by 1042
Abstract
This study demonstrated the anticancer efficacy of chalcones with indole moiety (MIPP, MOMIPP) in fibrosarcoma cells for the first time. The results showed that MIPP and MOMIPP reduced the viability of HT-1080 cells in a concentration-dependent manner. MOMIPP was more active than MIPP [...] Read more.
This study demonstrated the anticancer efficacy of chalcones with indole moiety (MIPP, MOMIPP) in fibrosarcoma cells for the first time. The results showed that MIPP and MOMIPP reduced the viability of HT-1080 cells in a concentration-dependent manner. MOMIPP was more active than MIPP in HT-1080 cells, showing lower IC50 values (3.67 vs. 29.90 μM). Both compounds at a concentration of 1 μM induced apoptosis in HT-1080 cells, causing death strictly related to caspase activation, as cell viability was restored when the caspase inhibitor Z-VAD was added. Reactive oxygen species production was approximately 3-fold higher than in control cells, and cotreatment with the inhibitor of mitochondrial ATPase oligomycin diminished this effect. Such effects were also reflected in mitochondrial dysfunction, including decreased membrane potential. Interestingly, the compounds that were studied caused massive vacuolization in HT-1080 cells. Immunocytochemical staining and TEM analysis showed that HT-1080 cells exhibited increased expression of the LC3-II protein and the presence of autophagosomes with a double membrane, respectively. Both compounds induced apoptosis, highlighting a promising link between autophagy and apoptosis. This connection could be a new target for therapeutic strategies to overcome chemoresistance, which is a significant cause of treatment failure and tumour recurrence in fibrosarcoma following traditional chemotherapy. Full article
(This article belongs to the Special Issue Molecular Biological Insights and Targeted Therapies for Sarcomas)
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