The association of vitamin D with hepatitis B virus replication: Bystander rather than offender

Publication date: Available online 10 January 2020Source: Journal of the Formosan Medical AssociationAuthor(s): Chia-Chi Wang, I-Shiang Tzeng, Wei-Chih Su, Chung-Hsien Li, Hans Hsienhong Lin, Chun-Chun Yang, Jia-Horng KaoBackground/PurposeLow vitamin D is frequent in hepatitis B virus (HBV)-infected patients and several studies show an inverse association of serum vitamin D level with HBV viral load. However, the causal relationship remains unclear.MethodsHBV carriers receiving regular 6-month surveillance without current antiviral treatment or cirrhosis were invited to participate into this trial. The markers of HBV replication included serum HBV DNA and quantitative HBsAg (qHBsAg) levels. Those with undetectable HBV DNA or sufficient vitamin D levels, cancer or electrolyte imbalance were excluded. The eligible subjects were randomized to receive either vitamin D supplement 2000 IU per day for 2 months (vitamin D group) or none (control group).ResultsA total of 196 HBV carriers (93 males and 103 females; mean age 51.9 ± 10.0 years) were screened. Of them, 28 patients had undetectable serum HBV DNA levels, which is defined as spontaneous viral clearance. The vitamin D levels were not different between patients with detectable HBV DNA and those without (p = 0.18). After exclusion, 149 patients were randomized to two groups: 75 in vitamin D group and 74 in control group. After 2 months vitamin D supplement, the serum vitamin D levels were significantl...
Source: Journal of the Formosan Medical Association - Category: General Medicine Source Type: research

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n Lee Chen Tyan Hepatocellular carcinoma (HCC) is among the ten most commonly diagnosed cancers and the fourth leading cause of cancer-related death. Patients with hepatitis B virus (HBV) infection are prone to developing chronic liver diseases (i.e., fibrosis and cirrhosis), and the HBV X antigen plays an important role in the development of HCC. The difficulty in detecting HCC at the early stages is one of the main reasons that the death rate approximates the incidence rate. The regulators controlling the downstream liver protein expression from HBV infection are unclear. Mass spectrometric techniques and cu...
Source: Cancers - Category: Cancer & Oncology Authors: Tags: Article Source Type: research
ConclusionA substantial further reduction in cases of HCC requires a wider application of universal HBV vaccination and effective treatment of HBV- and HCV-related chronic hepatitis and cirrhosis, more effective campaigns to favor correct dietary habits and reduce alcohol consumption and the intensification of studies on HCC pathogenesis for future optimized prevention strategies.
Source: Infection - Category: Infectious Diseases Source Type: research
      ·Application is being reviewed under FDA ’s Real-Time Oncology Review pilot programmeBasel, 27 January 2020 – Roche (SIX: RO, ROG; OTCQX: RHHBY) today announced the completion of a supplemental Biologics License Application (sBLA) submission to the US Food and Drug Administration (FDA) for Tecentriq® (atezolizumab) in combination with Avastin® (bevacizumab), for the treatment of people with unresectab le hepatocellular carcinoma (HCC) who have not received prior systemic therapy. The FDA is reviewing the application under the Real-Time Oncology Review pilot programme, wh...
Source: Roche Investor Update - Category: Pharmaceuticals Source Type: news
Abstract Hepatocellular carcinoma (HCC) accounts for about 80-90% of all liver cancers and is found to be the third most common cause of cancer mortality in the Asia-Pacific region. Risk factors include hepatitis B and C virus, cirrhosis, aflatoxin-contaminated food, alcohol, and diabetes. Surgically removing the tumor tissue seems effective but a high chance of recurrence has led to an urgent need to develop novel molecules for the treatment of HCC. Clinical management with sorafenib is found to be effective but it is only able to prolong survival for a few months. Various side effects like gastrointestinal and a...
Source: Current Pharmaceutical Design - Category: Drugs & Pharmacology Authors: Tags: Curr Pharm Des Source Type: research
Publication date: Available online 10 January 2020Source: Genes &DiseasesAuthor(s): Yong LiaoAbstractDespite the tremendous progresses toward our understanding of the mechanisms of how liver cancer was developed, the therapeutic outcomes of liver cancer in the clinic have very limited improvement within the past three decades or so. In addition, both the incidence and mortality of liver cancer worldwide are not dropping, but increasing steadily, in the last decade. Thus, it is time for us to rethink what has been wrong and how could we do better in the upcoming years, in order to achieve our goal of improving the thera...
Source: Genes and Diseases - Category: Genetics & Stem Cells Source Type: research
AbstractViral hepatitis is a significant global health concern, particularly within low-middle income countries. Diseases historically affecting low-middle income countries, such as viral hepatitis, have become increasingly prevalent within high-income countries due to globalisation and mass international migration. High prevalence of viral hepatitis in migrant populations is of particular concern due to the associated morbidity and mortality, as well as the increased risk of vertical and horizontal transmission in the community. This is compounded by the asymptomatic nature of hepatitis, meaning many of those affected are...
Source: Journal of Community Health - Category: International Medicine & Public Health Source Type: research
Abstract BACKGROUND/PURPOSE: Low vitamin D is frequent in hepatitis B virus (HBV)-infected patients and several studies show an inverse association of serum vitamin D level with HBV viral load. However, the causal relationship remains unclear. METHODS: HBV carriers receiving regular 6-month surveillance without current antiviral treatment or cirrhosis were invited to participate into this trial. The markers of HBV replication included serum HBV DNA and quantitative HBsAg (qHBsAg) levels. Those with undetectable HBV DNA or sufficient vitamin D levels, cancer or electrolyte imbalance were excluded. The eligible...
Source: J Formos Med Assoc - Category: General Medicine Authors: Tags: J Formos Med Assoc Source Type: research
Oxidative stress is closely related to the occurrence and development of various diseases such as cancer, diabetes, and cardiovascular and infectious diseases. We identified six critical genetic variants related to oxidative stress, and evaluated their main effects and their interaction effects on hepatitis B virus (HBV)-induced liver diseases. We enrolled 3,128 Han Chinese subjects into five groups: healthy controls, chronic hepatitis B (CHB), liver cirrhosis (LC), hepatocellular carcinoma (HCC), and natural clearance. We then determined the genotypes in each group for CYBA-rs4673, NCF4-rs1883112, NOX4-rs1836882, rs301788...
Source: Frontiers in Genetics - Category: Genetics & Stem Cells Source Type: research
k A Abstract BACKGROUND: There is ongoing search for new noninvasive biomarkers to improve management of patients with hepatocellular carcinoma (HCC). Studies, mostly from the Asian-Pacific region, demonstrated differential expression of liver-specific microRNA-122 (miR-122) in tissue as well as in sera of patients with hepatitis B virus- and hepatitis C virus-induced HCC. AIM: To evaluate prognostic value of miR-122 in patients with HCC in a European population and determine potential factors related to alteration of miR-122 in sera. METHODS: Patients with confirmed HCC (n = 91) were included in the stu...
Source: World Journal of Gastroenterology : WJG - Category: Gastroenterology Authors: Tags: World J Gastroenterol Source Type: research
In conclusion, circulating microRNAs, particularly the miR-125b, may serve as promising biomarkers for the early diagnosis of HBV-related HCC. However, larger and more rigorous studies are needed to confirm our conclusions.
Source: Journal of Cancer - Category: Cancer & Oncology Authors: Tags: Research Paper Source Type: research
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