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Poly(adP-ribose) polymerase inhibitor olaparib in the treatment of ovarian cancer: a comprehensive review of current literature

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Poboży K., Domańska J., Domański P.
OncoReview
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2023
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vol. 13
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issue 2
39-47
EN
Purpose of the review: This comprehensive review aims to provide a summary of current research on the utilization of olaparib, a poly(ADP-ribose) polymerase (PArP) inhibitor, in the treatment of ovarian cancer. The review aims to highlight the key findings from recent clinical trials and assess the potential of olaparib as a targeted therapy for improving the prognosis of ovarian cancer patients. recent findings: Ovarian cancer remains a significant global health concern with high mortality rates. While optimal debulking surgery and platinum-based chemotherapy are the standard treatments, the recurrence rates remain substantial. The emergence of PArP inhibitors, particularly olaparib, has intro duced a novel therapeutic approach that targets the genomic instability and DnA repair mechanisms in cancer cells. notable clinical trials, such as SOl O1, SOl O2, and PAOlA-1, have demonstrated the effectiveness of olaparib in significantly improving progression-free survival, particularly in patients with Br CA mutations or homologous recombination deficiency. Additionally, combination therapies involving olaparib, such as those with bevacizumab or entinostat, have shown promising results. Summary: The utilization of olaparib has brought about a paradigm shift in the treatment of ovarian cancer. notably, it has shown significant improvements in progression-free survival and overall survival, particularly in patients with Br CA mutations or homologous recombination deficiency. The exploration of olaparib through various clinical trials and combination therapies continues to provide valuable insights and offer new prospects for ovarian cancer patients. Moreover, the growing understanding of PArP inhibitors holds the potential for further advancements in the prognosis of patients with this formidable condition.
2
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The current state of knowledge on small cell and non-small cell lung cancer and the position of durvalumab immunotherapy in lung cancer treatment

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Poboży K., Domańska J., Domański P.
OncoReview
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2022
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vol. 12
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issue 4
75-82
EN
Lung cancer is the second most frequently diagnosed cancer and the leading cause of cancer-related deaths in the world. These statistics make lung cancer one of the most important targets for modern medicine. The identification of multiple risk factors, including tobacco smoking, has been fundamental in understanding the disease. Late-stage detection is a significant contributor to the high mortality rate of lung cancer. Nonetheless, the role of screening is still debatable. The selection of therapy is primarily based on distinguishing between small-cell and non-small cell lung cancer. Despite the major differences in treatment, in both types in specific situations the treatment involves durvalumab – a monoclonal antibody targeting the programmed cell death ligand 1 molecule, which is often present on tumor cells and protects them against the patient’s immune system. The efficacy of durvalumab has been demonstrated in two randomized, multicenter clinical trials. The aim of this study is to summarize the current state of knowledge about lung cancer and durvalumab. Despite the current 5-year survival rate of 19% in lung cancer, the development of immunotherapeutics such as durvalumab may be the key to improving the unfavorable prognosis of lung cancer in the future.
3
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Neoantigen therapeutic cancer vaccines: a promising approach to personalized immunotherapy

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Poboży K., Domańska J., Domański P.
OncoReview
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2023
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vol. 13
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issue 4
93-98
EN
The tumour microenvironment diversity among patients poses a challenge for conventional therapies, leading to limited efficacy. Furthermore, conventional methods are inherently associated with a negative impact on healthy tissues. Personalized immunotherapy, focused on individual tumor characteristics, has emerged as a potential solution. Neoantigens, unique antigens arising from tumour-specific mutations, play a crucial role in personalized therapy. Identifying and utilizing neoantigens through therapeutic vaccines can induce an immune response specifically against tumour cells, offering a more targeted and less toxic for healthy tissues approach to cancer treatment. The vaccines can potentially lead to tumour regression and improved outcomes. The effectiveness of this therapy is still limited due to phenomena such as immune escape. However, ongoing scientific research, technological advancements, and emerging combination therapies offer hope for the success of neoantigen-based therapeutic cancer vaccines, ushering in a new era in personalized oncology.
4
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Advances in immunotherapy for osteosarcoma: a review of emerging treatment strategies

88%
Poboży K., Domański P., Domańska J., Konarski W., Poboży T.
OncoReview
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2023
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vol. 13
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issue 3
75-84
EN
Advances in immunotherapy for osteosarcoma have shown promising results, with the use of monoclonal antibodies and immune checkpoint inhibitors. These strategies are aimed at targeting specific molecules and pathways involved in tumour immune evasion and promoting anti-tumour immune responses. Other emerging immunotherapeutic approaches include autophagy and pyroptosis induction, chimeric antigen receptor T-cell therapy, gadolinium-bisphosphonate nanoparticles and dendritic cell-based vaccines. Continued research into these emerging treatment strategies is essential for developing effective therapies for patients with high-grade osteosarcoma.
5
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The role of E2F2 in signaling pathways associated with cancer pathogenesis and potential treatment: A review of current studies

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Domańska J., Poboży K., Domański P., Fudalej M., Deptała A., Badowska-Kozakiewicz A.
OncoReview
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2023
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vol. 13
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issue 2
58-66
EN
Introduction and objective. E2F transcription factor 2 (E2F2) protein is the transcription factor that plays an important role in tumorigenesis. E2F2 effects the cell cycle, tumor suppressor proteins, and can also be transformed by proteins of small DNA tumor viruses. The objective of the study is to provide a summary of the current knowledge on the neoplastic pathways that involve E2F2. State of knowledge. Numerous studies have demonstrated a role for E2F2 in various signaling pathways. Certain components of these pathways may serve as potential targets for oncological therapy. E2F2 has been shown to be associated with neoplasms of various locations and histological types (breast, colon, gastric, laryngeal, liver, lung, ovarian, pancreatic, and prostate cancers). Conclusions. Further investigations of E2F2 pathways are warranted for a clearer understanding of neoplastic processes and to identify novel pharmacological treatments.
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