Publications by authors named "Ohira M"

Aims: Liver fibrosis predisposes patients to liver failure and hepatocellular carcinoma. Various markers, which can be calculated easily from serum parameters, have been reported to predict liver fibrosis accurately. This study investigated the prognostic factors, including blood-based markers for liver fibrosis of patients with hepatocellular carcinoma following initial curative hepatectomy.

View Article and Find Full Text PDF

Aim: We previously reported that abdominal aortic calcification is associated with poor overall and recurrence-free survival after hepatectomy for hepatocellular carcinoma (HCC). However, the effect of abdominal aortic calcification on cancer-specific prognosis in very old patients with several comorbidities remains unknown. This multicenter study aimed to evaluate the impact of abdominal aortic calcification on the cumulative recurrence rate and recurrence-free survival in patients with HCC aged >80 years.

View Article and Find Full Text PDF

Hepatocellular carcinoma (HCC) originates from differentiated hepatocytes undergoing compensatory proliferation in livers damaged by viruses or metabolic-dysfunction-associated steatohepatitis (MASH). While increasing HCC risk, MASH triggers p53-dependent hepatocyte senescence, which we found to parallel hypernutrition-induced DNA breaks. How this tumour-suppressive response is bypassed to license oncogenic mutagenesis and enable HCC evolution was previously unclear.

View Article and Find Full Text PDF

Background/aim: Hederagenin (3β,4α-3,23-dihydroxyolean-12-en-28-oic acid) is a natural pentacyclic triterpene that is present in various medicinal plants and exhibits pharmacological activities against various diseases, including cancer. The aim of the study was to investigate the effect of Aq3639 (3β-[(O-α-L-rhamnopyranosyl-(1→2)-α-L-arabinopyranosyl)oxy]olean-12-en-28-oic acid), a hederagenin glycoside comprising hederagenin and a disaccharide of L-rhamnose and L-arabinose, on breast cancer cells.

Materials And Methods: Aq3639 was isolated from the pericarps of Akebia quinata fruits, and its effects on cells from the human breast cell line MCF-7 were examined.

View Article and Find Full Text PDF

Background/aim: Breast cancer is mostly affected by estrogen, which promotes proliferation, tumorigenesis, and cancer progression. Estrogen sulfotransferase (SULT1E1) catalyzes sulfation to inactivate estrogens, whereas steroid sulfatase (STS) catalyzes estrogen sulfate hydrolysis to activate estrogens in breast cancer cells. Three major organosulfur compounds in garlic (Allium sativum L.

View Article and Find Full Text PDF

Background: This study aimed to investigate the association between a new biomarker that incorporates albumin (Alb) and butyrylcholinesterase (BCHE) levels, as well as the prognosis of hepatocellular carcinoma (HCC) after hepatectomy.

Methods: The study enrolled 1712 patients who underwent primary hepatectomy for HCC between January 2003 and December 2019 at seven institutions belonging to the Hiroshima Surgical Study Group of Clinical Oncology. The entire dataset was randomly split into discovery and validation cohorts in a 7:3 ratio.

View Article and Find Full Text PDF

The global trend toward self-medication has increased public reliance on over-the-counter treatments and health-related information, contributing to the spread of pseudoscientific claims in healthcare and posing serious public health risks. Pharmacists, as accessible healthcare professionals, play a crucial role in critically evaluating these claims and providing evidence-based guidance. However, little quantitative research has assessed pharmacists' critical thinking regarding pseudoscientific claims or the factors influencing them.

View Article and Find Full Text PDF
Article Synopsis
  • Completion of postoperative adjuvant chemotherapy (AC) is crucial for improving the prognosis of patients with pathological stage III colorectal cancer (CRC), making it essential to identify those who may not tolerate AC.
  • The study analyzed 161 patients and found that a higher volume of abdominal aortic calcification (AAC) was significantly associated with older age, male sex, hypertension, and a greater likelihood of not completing AC.
  • Results indicated that while the frequency or severity of adverse events was similar between high and low AAC groups, both high AAC and older age were strong predictors of AC incompletion, suggesting that AAC could be a risk marker for assessing patients before starting AC treatment.
View Article and Find Full Text PDF
Article Synopsis
  • - The review highlights the growing trend of surgeries on elderly patients, particularly those with cancer, in response to the increasing aging population.
  • - It discusses abdominal aortic calcification (AAC) as a significant indicator of systemic atherosclerosis and its prevalence linked to factors like cardiovascular disease and frailty.
  • - The findings suggest that AAC is associated with higher postoperative complications and decreased survival rates in elderly patients, emphasizing the need for further research to enhance treatment efficacy and patient outcomes.
View Article and Find Full Text PDF

Background: De novo donor-specific antibodies (dnDSAs) affect long-term outcomes of kidney transplantation (KT). A higher Predicted Indirectly ReCognizable Human Leukocyte Antigen (HLA) Epitopes (PIRCHE-II) score correlates with various clinical outcomes, including dnDSA formation. However, a detailed analysis of the relationship between the PIRCHE-II score and anti-donor T-cell response is lacking.

View Article and Find Full Text PDF
Article Synopsis
  • Sarcopenia, characterized by decreased grip strength and skeletal muscle mass, is linked to worse outcomes in patients undergoing liver surgery for hepatocellular carcinoma (HCC).
  • A study analyzed 253 patients, finding that 14.2% had sarcopenia, and this group faced higher complications, particularly older patients with comorbid conditions.
  • The findings suggest that sarcopenia is an independent risk factor for severe postoperative issues, highlighting the need for assessment before surgery.
View Article and Find Full Text PDF

Background: CLCN2-related leukoencephalopathy (CC2L) is a rare autosomal recessive disorder caused by biallelic variants of CLCN2, which encodes chloride channel 2. Although CC2L is associated with distinct radiological features, it presents with a wide range of clinical features.

Case Presentation: A 34-year-old woman presented to our hospital with a sudden onset of vertigo with headache.

View Article and Find Full Text PDF

The exponential rise in metabolic dysfunction-associated steatotic liver disease (MASLD) parallels the ever-increasing consumption of energy-dense diets, underscoring the need for effective MASLD-resolving drugs. MASLD pathogenesis is linked to obesity, diabetes, "gut-liver axis" alterations, and defective interleukin-22 (IL-22) signaling. Although barrier-protective IL-22 blunts diet-induced metabolic alterations, inhibits lipid intake, and reverses microbial dysbiosis, obesogenic diets rapidly suppress its production by small intestine-localized innate lymphocytes.

View Article and Find Full Text PDF

Background: Hepatocellular carcinoma (HCC) ranks third in cancer-related deaths globally. Despite treatment advances, high post-hepatectomy recurrence rates (RR), especially with liver fibrosis and hepatitis C virus infection, remain challenging. Key prognostic factors include vascular invasion and perioperative blood loss, impacting extrahepatic recurrence.

View Article and Find Full Text PDF

Background: Although the percentage of the population with a high degree of obesity (body mass index [BMI] ≥ 35 kg/m) is low in Japan, the prevalence of obesity-related diseases in patients with high-degree obesity is greater than that in patients with a BMI < 35 kg/m. Therefore, treatment for high-degree obesity is important. However, clinical studies have reported that 20-50% of patients with obesity discontinue weight-loss treatment in other countries.

View Article and Find Full Text PDF

Background: De novo donor-specific antibodies (dnDSAs) significantly affect the long-term outcomes of liver transplantation (LT), highlighting the importance of risk prediction. Follicular helper T (Tfh) cells have been implicated in dnDSA formation after transplantation. Considering the influence of immune response gene polymorphisms on transplantation outcomes, we investigated the association between polymorphisms in Tfh cell-related genes and dnDSA formation after LT.

View Article and Find Full Text PDF
Article Synopsis
  • Epigenetic changes are crucial in tumor development, with Polycomb-group complexes like PRC1 playing a key role through histone modifications, particularly in neuroblastoma (NB).
  • The study focused on the role of L3MBTL2, a component of the PRC1.6 complex, finding that its knockout leads to decreased proliferation of NB cells and inhibition of tumor growth.
  • Results showed that L3MBTL2 depletion altered cell cycle and differentiation pathways, and its loss increased the expression of certain genes linked to cell growth, highlighting the importance of L3MBTL2 in regulating gene silencing in MYCN-amplified neuroblastoma cells.
View Article and Find Full Text PDF

Background And Objectives: In 2024, the sequalae of the acute phase of coronavirus disease-19 (COVID-19) infection, which include neurological symptoms and are commonly referred to as long COVID or post-acute sequelae of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (PASC), continue to be a substantial health concern; however, similar symptoms are observed in individuals with no previous COVID-19 infection.

Methods: This was a single-center, retrospective, descriptive case series study. Data were obtained from patients who visited our outpatient clinic specializing in PASC between June 1, 2021, and May 31, 2023.

View Article and Find Full Text PDF
Article Synopsis
  • This study investigates how liver fibrosis negatively affects liver natural killer (NK) cells, which are important for fighting tumors, and the role of interleukin-33 (IL-33) in this process.
  • The research reveals that higher levels of liver fibrosis correlate with lower survival rates and a higher chance of cancer recurrence after surgery, as indicated by the Fibrosis-4 (FIB-4) index.
  • The findings suggest that targeting IL-33 and enhancing NK cell function could be potential treatment strategies to improve the liver's immune response against hepatocellular carcinoma (HCC) in patients with liver fibrosis.
View Article and Find Full Text PDF

Background: Validating the expanded criteria for living donor liver transplantation for hepatocellular carcinoma using national data is highly significant. The aim of this study was to evaluate the validity of the new Japanese criteria for living donor liver transplantation for hepatocellular carcinoma patients and identify factors associated with a poor prognosis using the Japanese national data set.

Methods: The study population comprised patients who underwent living donor liver transplantation for hepatocellular carcinoma at 37 centres in Japan between 2010 and 2018.

View Article and Find Full Text PDF

Advancements in diagnostic modalities, such as enhanced magnetic resonance imaging, provide increased opportunities for identifying small hepatocellular carcinoma that is undetectable on preoperative ultrasonography. Whether it is acceptable to leave these lesions untreated is uncertain. This study aimed to evaluate the safety and efficacy of intraoperative magnetic resonance imaging-guided hepatectomy using new navigation systems.

View Article and Find Full Text PDF

Background: Tumors arising from catecholamine-producing chromophil cells in paraganglia are termed paragangliomas (PGLs), which biologically resemble pheochromocytomas (PCCs) that arise from the adrenal glands. Spontaneous rupture of a PGL is rare and can be fatal. Although elective surgery for ruptured PCCs after transcatheter arterial embolization (TAE) has been shown to provide good outcomes, the efficacy of TAE pretreatment for ruptured PGL remains unknown.

View Article and Find Full Text PDF

Connectin (also known as titin) is a giant striated muscle protein that functions as a molecular spring by providing elasticity to the sarcomere. Novex-3 is a short splice variant of connectin whose physiological function remains unknown. We have recently demonstrated using in vitro analyses that in addition to sarcomere expression, novex-3 was also expressed in cardiomyocyte nuclei exclusively during fetal life, where it provides elasticity/compliance to cardiomyocyte nuclei and promotes cardiomyocyte proliferation in the fetus, suggesting a non-sarcomeric function.

View Article and Find Full Text PDF

Background: Several studies have demonstrated a relationship between genetic polymorphisms of interleukin-1 beta (IL-1β) and cancer development; however, their influence on cancer prognosis is unknown. In the present study, we aimed to evaluate the impact of IL-1β single nucleotide polymorphisms on the hematogenous dissemination and prognosis of hepatocellular carcinoma.

Methods: We conducted a retrospective cohort study including patients with hepatocellular carcinoma who underwent primary liver resection at our hospital between April 2015 and December 2018.

View Article and Find Full Text PDF

A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: controllers/Author.php

Line Number: 219

Backtrace:

File: /var/www/html/application/controllers/Author.php
Line: 219
Function: _error_handler

File: /var/www/html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: libraries/Pagination.php

Line Number: 413

Backtrace:

File: /var/www/html/application/controllers/Author.php
Line: 274
Function: create_links

File: /var/www/html/index.php
Line: 316
Function: require_once