Publications by authors named "Ammar Yasser Abdulfattah"

Article Synopsis
  • * Researchers conducted a study using a mouse model to analyze metabolic changes in premalignant and non-muscle invasive bladder cancer (NMIBC), identifying specific metabolic signatures linked to these stages.
  • * The findings suggest that lipid metabolism plays a key role in the development of premalignant lesions and NMIBC, and the study provides potential biomarkers for predicting outcomes in human bladder cancer patients.
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Article Synopsis
  • Platinum resistance in high grade serous ovarian cancer (HGSC) is increasing, with about 75% of patients experiencing recurrence after chemotherapy, contributing to poor five-year survival rates of 39% for stage III and 17% for stage IV.
  • The text examines the interactions between HGSC cells and their tumor microenvironment, emphasizing the roles of the extracellular matrix, ascitic fluid, and various immune cells in developing platinum resistance.
  • It also highlights the clinical significance of platinum-resistant markers and discusses the potential of immunotherapy to help re-sensitize these patients to platinum-based treatments, aiming to improve therapeutic outcomes.
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Ovarian Cancer is the fifth most common cancer in females and remains the most lethal gynecological malignancy as most patients are diagnosed at late stages of the disease. Despite initial responses to therapy, recurrence of chemo-resistant disease is common. The presence of residual cancer stem cells (CSCs) with the unique ability to adapt to several metabolic and signaling pathways represents a major challenge in developing novel targeted therapies.

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Ovarian cancer stands as the most lethal gynecologic malignancy and remains the fifth most common gynecologic cancer. Poor prognosis and low five-year survival rate are attributed to nonspecific symptoms at early phases along with a lack of effective treatment at advanced stages. It is thus paramount, that ovarian carcinoma be viewed through several lenses in order to gain a thorough comprehension of its molecular pathogenesis, epidemiology, histological subtypes, hereditary factors, diagnostic approaches, and methods of treatment.

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Reactive Oxygen Species or "ROS" encompass several molecules derived from oxygen that can oxidize other molecules and subsequently transition rapidly between species. The key roles of ROS in biological processes are cell signaling, biosynthetic processes, and host defense. In cancer cells, increased ROS production and oxidative stress are instigated by carcinogens, oncogenic mutations, and importantly, metabolic reprograming of the rapidly proliferating cancer cells.

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