Inflammatory liver diseases are, nowadays, multifactorial and wide-spread, thus having an important socio-economic impact. Although the therapeutic algorithms are well-known in hepatitis, regardless of etiology, strategies to identify inflammatory hepatic lesions in early stages and to develop new epigenetic therapies should be prioritized. The main entities of inflammatory liver disease are: alcoholic and non-alcoholic fatty liver disease, autoimmune hepatitis, viral hepatitis and Wilson disease. The main epigenetic processes include: DNA methylation/demethylation, which imply changes in DNA tertiary structure; post-translational histone covalent changes (methylation/demethylation, acetylation/deacetylation, ubiquitination), that cause DNA-histone instability; synthesis of small, non-coding RNA molecules, called microRNAs, that modulate translational potential of transcripts (mRNAs) and post-translational modification of polypeptide chains. Consequently, the epigenetic interactions aforementioned, play an important modulatory role in disease progression and response to conventional therapies The present review focused on the main epigenetic changes in inflammatory liver conditions, considering a new perspective: Epigenetic therapy. This approach is more than welcomed, taking into consideration that conventional therapeutic strategies are almost exhausted.
Background and Objectives: Acute hematologic malignancies are a group of heterogeneous blood diseases with a high mortality rate, mostly due to acute respiratory failure (ARF). Acute respiratory distress syndrome (ARDS) is one form of ARF which represents a challenging clinical condition. The paper aims to review current knowledge regarding the variable pathogenic mechanisms, as well as therapeutic options for ARDS in acute hematologic malignancy patients. Data collection: We provide an overview of ARDS in patients with acute hematologic malignancy, from an etiologic perspective. We searched databases such as PubMed or Google Scholar, including articles published until June 2022, using the following keywords: ARDS in hematologic malignancy, pneumonia in hematologic malignancy, drug-induced ARDS, leukostasis, pulmonary leukemic infiltration, pulmonary lysis syndrome, engraftment syndrome, diffuse alveolar hemorrhage, TRALI in hematologic malignancy, hematopoietic stem cell transplant ARDS, radiation pneumonitis. We included relevant research articles, case reports, and reviews published in the last 18 years. Results: The main causes of ARDS in acute hematologic malignancy are: pneumonia-associated ARDS, leukostasis, leukemic infiltration of the lung, pulmonary lysis syndrome, drug-induced ARDS, radiotherapy-induced ARDS, diffuse alveolar hemorrhage, peri-engraftment respiratory distress syndrome, hematopoietic stem cell transplantation-related ARDS, transfusion-related acute lung injury. Conclusions: The short-term prognosis of ARDS in acute hematologic malignancy relies on prompt diagnosis and treatment. Due to its etiological heterogeneity, precision-based strategies should be used to improve overall survival. Future studies should focus on identifying the relevance of such etiologic-based diagnostic strategies in ARDS secondary to acute hematologic malignancy.
Background: Direct-acting antivirals (DAAs) opened a new era in the management of hepatitis C virus (HCV)-associated liver disease. However, hepatic cancer screening should not be stopped after obtaining a sustained virologic response (SVR). Current guidelines offer several treatment options for hepatocellular carcinoma (HCC), mainly depending on its stage and the extent of liver disease, including tumor resection, liver transplantation (LT), radiofrequency ablation (RFA), transarterial chemoembolization (TACE), and systemic agents. This article provides an overview of treatment modalities for hepatocellular carcinoma and associated survival rates based on the experience of the Internal Medicine Center at Fundeni Clinical Institute while bringing into light previous medical research. Methods: We included 59 patients with a personal history of hepatitis C virus infection, diagnosed with hepatocellular carcinoma at least one year after achieving a sustained virologic response through direct-acting antivirals. The albumin-bilirubin (ALBI) score and Barcelona Clinic Liver Cancer (BCLC) classification were assessed in each case, and all patients were treated accordingly. The subjects were monitored by liver function tests, tumor markers, blood cell count, coagulation profile, and imaging explorations. We investigated the Eastern Cooperative Oncology Group (ECOG) performance status, the response to applied treatments, and survival. Results: Cirrhotic patients and multinodular tumor patterns were predominant. Most patients only experienced one therapeutic procedure, while the rest of the study group went through multiple treatment modalities (2-4), with a better outcome in terms of survival parameters. A large proportion presented with disease progression despite the therapeutic measures applied. A total of two liver transplants were performed, resulting in a 12-month disease-free period among these patients. The presence of diabetes mellitus (DM), multinodular disease, alpha-fetoprotein (AFP) over 300 ng/mL, and tumor dimension over 6 cm indicate poor overall survival. Both overall survival and progression-free survival were better in subjects who presented complete responses (CR) to HCC treatment. In patients undergoing a single intervention, the best overall survival was associated with surgical resection and RFA. Conclusion: The multimodal treatment of hepatocellular carcinoma represents the best approach, in order to maintain patients on the waiting list for liver transplantation. In hepatitis C virus infection, viral clearance is important to obtain. At the same time, particular attention should be paid to liver cancer screening even after obtaining a sustained virologic response.
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