Publications by authors named "Kyoko Oura"

Hepatocellular carcinoma (HCC) is the sixth most common cancer worldwide, with a rising incidence. The most common therapeutic choice for HCC is transarterial chemoembolization (TACE). While the standard protocol of TACE adopts cisplatin, the application of cisplatin needs hydration before and after the procedure to alleviate adverse effects on kidney function.

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Galectins are widely distributed throughout the animal kingdom, from marine sponges to mammals. Galectins are a family of soluble lectins that specifically recognize β-galactoside-containing glycans and are categorized into three subgroups based on the number and function of their carbohydrate recognition domains (CRDs). The interaction of galectins with specific ligands mediates a wide range of biological activities, depending on the cell type, tissue context, expression levels of individual galectin, and receptor involvement.

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Background/objectives: Metabolic dysfunction-associated steatotic liver disease (MASLD) is diagnosed when hepatic steatosis is proven by imaging and one of the five cardiometabolic criteria is present. The relationship between MASLD and body composition components has recently received increased research attention. However, the five cardiometabolic criteria do not include components of body composition.

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Systemic therapy for unresectable hepatocellular carcinoma (HCC) has progressed with the development of multiple kinases, such as vascular endothelial growth factor (VEGF) signaling, targeting cancer growth and angiogenesis. Additionally, the efficacy of sorafenib, regorafenib, lenvatinib, ramucirumab, and cabozantinib has been demonstrated in various clinical trials, and they are now widely used in clinical practice. Furthermore, the development of effective immune checkpoint inhibitors has progressed in systemic therapy for unresectable HCC, and atezolizumab + bevacizumab (atezo/bev) therapy and durvalumab + tremelimumab therapy are now recommended as first-line treatment.

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A 32-year-old man presented with cirrhosis. At 8 years of age, he underwent resection of a craniopharyngioma, which resulted in panhypopituitarism. He underwent self-interrupted hormone replacement therapy at 20 years of age.

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Aims: This study aimed to evaluate the effectiveness of imeglimin in improving liver function and fibrosis in patients with type 2 diabetes (T2D) complicated by metabolic dysfunction-associated steatotic liver disease (MASLD).

Materials And Methods: We conducted a multicentre study involving 80 patients with T2D and MASLD who were treated with or without imeglimin for 24 weeks. We assessed the changes in diabetes-related parameters, including HbA1c, fasting blood glucose, glycoalbumin and C-peptide index.

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Article Synopsis
  • * Recent advancements in targeted therapy and immune-checkpoint inhibitors are now becoming available for treating unresectable HCC and preventing recurrence after curative procedures.
  • * This clinical practice guideline aims to provide updated recommendations from Asia-Pacific experts on systemic therapy for HCC, addressing key questions about patient selection, effective treatments, and management strategies for immunotherapy.
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Background: Hepatocellular carcinoma (HCC) is usually diagnosed in patients at the age of > 45 years. We aimed to determine the prognosis of patients with HCC at the age of 30-44 years compared with that of patients at a more senior age.

Methods: Based on the Sun Yat-sen University Cancer Center database, a total of 1745 patients with HCC were retrospectively enrolled and were assigned to three age groups (30-44, 45-59, and 60-70 years).

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Chronic hepatitis C virus (HCV) infection is associated with an increased risk of extrahepatic cancers, particularly non-Hodgkin lymphoma. The introduction of direct-acting antivirals (DAAs) has revolutionized HCV therapy, resulting in high cure rates. However, concerns have been raised about potential effects on cancer risk.

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We herein report a 40-year-old Japanese man with chronic hepatitis B genotype C (viral load 6.7 Log copies/mL) who developed hepatocellular carcinoma (HCC) despite achieving undetectable hepatitis B virus (HBV)-DNA levels with nucleos(t)ide analog (NA) treatment (entecavir). Notably, his hepatitis B surface antigen (HBsAg) level remained elevated at 388.

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Article Synopsis
  • Portal vein thrombosis (PVT) can worsen the prognosis for patients with cirrhosis, and the study explored the effectiveness of edoxaban compared to warfarin for treating PVT.
  • The results showed that edoxaban had a significantly higher overall response rate (76.7%) in improving PVT compared to warfarin (29.4%) and allowed for long-term recanalization without harmful effects on liver function.
  • Edoxaban is easy to initiate, making it a promising option for outpatient treatment of PVT, providing patients with better outcomes than traditional warfarin therapy.
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  • Hepatocellular carcinoma (HCC) is becoming more common in patients with autoimmune hepatitis (AIH) as life expectancy improves, but its impact on overall prognosis and treatment options remains unclear.
  • A study of 131 AIH patients revealed that while liver failure was a leading cause of death initially, deaths from HCC increased over time; factors like cirrhosis at diagnosis significantly raised the risk of developing HCC.
  • Current treatments for HCC in AIH patients are limited, and early detection is crucial for improving outcomes.
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Alcohol abuse is associated with several diseases, such as hepatocellular carcinoma, cirrhosis, and extrahepatic malignancies. Recently, we reported albumin platelet product (APP) and modified APP (mAPP) as novel indices of liver fibrosis staging and prognosis in patients without alcoholic liver diseases. This retrospective cohort study aimed to extend application of APP and mAPP in prognosis prediction of patients with alcoholic liver diseases.

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Article Synopsis
  • The study evaluates the safety and effectiveness of molecular targeted agents (MTAs) in elderly patients with hepatocellular carcinoma (HCC), focusing on those aged 75 and older compared to younger patients.
  • Key findings indicate that while severe adverse events and therapeutic effects were similar across age groups, elderly patients experienced shorter overall survival with sorafenib treatment.
  • Maintaining a higher relative dose intensity (RDI) of the drugs in the early treatment phase was linked to better overall survival rates in elderly patients.
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Chronic hepatitis B (CHB) is a major global health concern. Guidelines for the management of hepatitis B virus (HBV) indicate that the loss of hepatitis B surface antigen (HBsAg) is a key endpoint of interest. The present study aimed to examine long-term changes in HBsAg levels in HBV-DNA-negative, hepatitis B e-antigen (HBeAg)-negative patients treated with peginterferon (Peg-IFN) α-2a and nucleos(t)ide analog (NA), and to examine the conditions that make them susceptible to HBsAg decline.

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Non-alcoholic fatty liver disease (NAFLD) is a clinicopathologic syndrome caused by fat deposition in hepatocytes. Patients with nonalcoholic steatohepatitis (NASH), an advanced form of NAFLD with severe fibrosis, are at high risk for liver-related complications, including hepatocellular carcinoma (HCC). However, the mechanism of progression from simple fat deposition to NASH is complex, and previous reports have linked NAFLD to gut microbiota, bile acids, immunity, adipokines, oxidative stress, and genetic or epigenetic factors.

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Background/aim: Galectin-9 (Gal-9) induces tumor cell apoptosis in lymphoma and other malignant cell types. Duodenal adenocarcinoma is a rare malignancy, and there are insufficient data to determine a standard therapeutic approach. Here, we investigated the antitumor effect of Gal-9 in HuTu-80 duodenal adenocarcinoma cells.

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Hepatocellular carcinoma (HCC) is the most common primary liver tumor and is often diagnosed at an unresectable advanced stage. Systemic chemotherapy as well as transarterial chemoembolization (TACE) and hepatic arterial infusion chemotherapy (HAIC) are used to treat advanced HCC. TACE and HAIC have long been the standard of care for patients with unresectable HCC but are limited to the treatment of intrahepatic lesions.

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Article Synopsis
  • * His symptoms included persistent pain and jaundice, leading to a series of imaging tests that identified a large tumor in the liver and issues with the bile ducts.
  • * Advanced techniques like endoscopic ultrasound and peroral cholangioscopy were used to accurately assess the tumor's invasion, allowing for a successful surgical treatment without extending to critical areas of the liver.
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Although there have been advances in the prevention and diagnosis of hepatocellular carcinoma (HCC) in recent years, many HCC patients are still diagnosed with advanced stage. Systemic therapy is indicated for unresectable HCC (uHCC) with major vascular invasion and/or extrahepatic metastases, and the atezolizumab plus bevacizumab (atezo/bev) combination is currently recommended as first-line treatment for uHCC. Recently, sarcopenia-related factors, including decreased skeletal muscle index (SMI), have been reportedly associated with prognosis in uHCC patients treated with sorafenib or lenvatinib.

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Immunochemotherapy has become popular in recent years. The detailed mechanisms of cancer immunity are being elucidated, and new developments are expected in the future. Apoptosis allows tissues to maintain their form, quantity, and function by eliminating excess or abnormal cells.

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Computed tomography (CT) is often used in the diagnosis of sarcopenia. In this study, we validated the assessment of sarcopenia by the psoas muscle volume using versatile software. The study involved a retrospective analysis of data from 190 patients with liver disease who underwent grip-strength testing and abdominal pelvic computed tomography.

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Sarcopenia-related factors, including the skeletal muscle index (SMI), are reportedly associated with prognosis in patients with hepatocellular carcinoma (HCC) receiving various treatments. However, there is no evidence relating to hepatic arterial infusion chemotherapy (HAIC). In this study, we investigated whether a low SMI was associated with worse clinical outcomes of HAIC.

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Primary liver cancer is the sixth most common cancer and the third most common cause of cancer-related deaths worldwide. Hepatocellular carcinoma (HCC) is a major histologic type with a poor prognosis owing to the difficulty in early detection, the chemotherapy resistance, and the high recurrence rate of the disease. Despite recent advancements in HCC prevention and diagnosis, over 50% of patients are diagnosed at Barcelona Clinic Liver Cancer Stage B or C.

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Background: This retrospective, multicenter study evaluated the effect of pemafibrate treatment on liver function and fibrosis by liver function tests (LFTs) and various fibrotic biomarkers including FibroScan in non-alcoholic fatty liver disease (NAFLD) with hypertriglyceridemia.

Methods: A total of 138 NAFLD patients treated with pemafibrate at three hospitals between September 2018 and April 2021 were included. To evaluate the effect of pemafibrate treatment, FibroScan-aspartate aminotransferase (FAST) score, a novel index of steatohepatitis that can be calculated based on the aspartate aminotransferase (AST) value, controlled attenuation parameter (CAP), and liver stiffness measurement (LSM) was used.

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