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https://www.readbyqxmd.com/read/29036263/effects-of-12c6-heavy-ion-beam-irradiation-on-the-p53-signaling-pathway-in-hepg2-liver-cancer-cells
#1
Kai Liu, Xinke Zhao, Jing Gu, Jianjun Wu, Hong Zhang, Yingdong Li
The heavy ion beam is considered to be the ideal source for radiotherapy. The p53 tumor suppressor gene senses DNA damage and transducts intracellular apoptosis signals. Previous reports showed that the heavy ion beam can trigger complex forms of damage to cellular DNA, leading to cell cycle arrest and apoptosis of HepG2 human liver cancer cells; however, the mechanisms remains unclear fully. In order to explore whether the intrinsic or extrinsic pathway participates this process, HepG2 cells were treated with 12C6+ HIB irradiation at doses of 0 (control), 1, 2, 4, and 6 Gy with various methods employed to understand relevant mechanisms, such as detection of apoptosis, cell cycle, and Fas expression by flow cytometry, analysis of apoptotic morphology by electron microscopy and laser scanning confocal microscopy, and screening differentially expressed genes relating to p53 signaling pathway by PCR-array assay following with any genes confirmed by western blot analysis...
September 23, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/29035381/high-expression-of-hoxa13-correlates-with-poorly-differentiated-hepatocellular-carcinomas-and-modulates-sorafenib-response-in-in-vitro-models
#2
Luca Quagliata, Cristina Quintavalle, Manuela Lanzafame, Matthias S Matter, Chiara Novello, Luca di Tommaso, Tiziana Pressiani, Lorenza Rimassa, Luigi Tornillo, Massimo Roncalli, Clemente Cillo, Pierlorenzo Pallante, Salvatore Piscuoglio, Charlotte Ky Ng, Luigi M Terracciano
Hepatocellular carcinoma (HCC) represents the fifth and ninth cause of mortality among male and female cancer patients, respectively and typically arises on a background of a cirrhotic liver. HCC develops in a multi-step process, often encompassing chronic liver injury, steatosis and cirrhosis eventually leading to the malignant transformation of hepatocytes. Aberrant expression of the class I homeobox gene family (HOX), a group of genes crucial in embryogenesis, has been reported in a variety of malignancies including solid tumors...
October 16, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29035293/identification-of-z-2-3-diphenylacrylonitrileas-anti-cancer-molecule-in-persian-gulf-sea-cucumber-holothuria-parva
#3
Salimeh Amidi, Zahra Hashemi, Abbasali Motallebi, Melika Nazemi, Hoda Farrokhpayam, Enayatollah Seydi, Jalal Pourahmad
Hepatocellular carcinoma (HCC), also named cancerous hepatoma, is the most common type of malignant neoplasia of the liver. In this research, we screened the Persian Gulf sea cucumber Holothuria parva (H. parva) methanolic sub-fractions for the possible existence of selective toxicity on liver mitochondria isolated from an animal model of HCC. Next, we purified the most active fraction. Thus the structure of the active molecule was identified. HCC was induced by diethylnitrosamine (DEN) and 2-acetylaminofluorene (2-AAF) protocol...
October 16, 2017: Marine Drugs
https://www.readbyqxmd.com/read/29034998/the-albumin-bilirubin-grade-uncovers-the-prognostic-relationship-between-hepatic-reserve-and-immune-dysfunction-in-hiv-associated-hepatocellular-carcinoma
#4
D J Pinato, R Sharma, C Citti, H Platt, M Ventura-Cots, E Allara, T-Y Chen, A Dalla Pria, M Jain, B Mínguez, L Kikuchi, E Kaufman West, M Merli, D E Kaplan, H Hasson, K Marks, M Nelson, M Núñez, A Aytaman, M Bower, N Bräu
BACKGROUND: Hepatocellular carcinoma (HCC) is a leading cause of liver-related mortality in people living with HIV, where co-infection with hepatotropic viruses accelerates the course of chronic liver disease. AIM: To evaluate whether the albumin-bilirubin (ALBI) grade, a more accurate marker of liver dysfunction in HCC, might identify patients with progressive liver dysfunction in the context of HIV/hepatitis co-infection. METHODS: Using uni- and multi-variable analyses, we studied the albumin-bilirubin grade as a predictor of overall survival (OS) in a large, multi-center cohort of patients with HIV-associated HCC recruited from 44 centres in 9 countries within the Liver Cancer in HIV study group...
October 16, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29034693/role-of-18f-fdg-pet-ct-vs-ct-scan-in-patients-with-pulmonary-metastases-previously-operated-on-for-colorectal-liver-metastases
#5
Lopez Lopez Victor, Ricardo Robles, Roberto Brusadin, López-Conesa Asunción, Juan Torres, Domingo Perez Flores, Jose Luis Navarro, Pedro Jose Gil
BACKGROUND: There is currently no conclusive scientific evidence available regarding the role of the [18F]FDG PET/CT for detecting pulmonary metastases from colorectal cancer (PMCRC) in patients operated on for colorectal liver metastases (CRLM). In the follow up of patients who underwent surgery for CRLM, we compare CT-scan and [18F]FDG PET/CT in patients with PMCRC. METHODS: We designed the study prospectively performing an [18F]FDG PET/CT on all patients operated on for CRLM where the CT-scan detected PMCRC during the follow up...
October 15, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/29034621/-circular-rnas-and-their-roles-in-tumorigenesis
#6
Yi Xie, Tianwen Li, Xiaoyan Mo, Junming Guo
Recently, with the development of RNA research techniques, a wide variety of circular RNAs (circRNAs) have been discovered and some of them are confirmed to have crucial biological functions. CircRNAs arise from exons (i.e. exonic circRNAs) or introns (i.e. intronic circRNAs). Acting as microRNA sponges or combining with proteins, circRNAs participate in the regulation of gene expression and influence the activity of some proteins. In addition, some circRNAs even encode proteins. More importantly, several circRNAs play a key role in the occurrence and progression of some tumors, including stomach, liver, colon, breast, cervical, and ovarian cancers...
November 25, 2016: Sheng Wu Gong Cheng Xue Bao, Chinese Journal of Biotechnology
https://www.readbyqxmd.com/read/29034591/organ-on-a-chip-platforms-a-convergence-of-advanced-materials-cells-and-microscale-technologies
#7
REVIEW
Samad Ahadian, Robert Civitarese, Dawn Bannerman, Mohammad Hossein Mohammadi, Rick Lu, Erika Wang, Locke Davenport-Huyer, Ben Lai, Boyang Zhang, Yimu Zhao, Serena Mandla, Anastasia Korolj, Milica Radisic
Significant advances in biomaterials, stem cell biology, and microscale technologies have enabled the fabrication of biologically relevant tissues and organs. Such tissues and organs, referred to as organ-on-a-chip (OOC) platforms, have emerged as a powerful tool in tissue analysis and disease modeling for biological and pharmacological applications. A variety of biomaterials are used in tissue fabrication providing multiple biological, structural, and mechanical cues in the regulation of cell behavior and tissue morphogenesis...
October 16, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29034362/lipid-droplets-potential-biomarker-and-metabolic-target-in-glioblastoma
#8
Feng Geng, Deliang Guo
Lipid droplets (LDs) are subcellular organelles that store large amounts of the neutral lipids, triglycerides (TG) and/or cholesteryl esters (CE). LDs are commonly formed in adipocytes, liver cells and macrophages, and their formation has been shown to be associated with the progression of metabolic diseases, i.e., obesity, fatty liver and atherosclerosis. Interestingly, LDs are also found in some tumor tissues. We recently showed that LDs are prevalent in glioblastoma (GBM), the most deadly brain tumor, but are not detectable in low-grade gliomas and normal brain tissues, suggesting that LDs may serve as a novel diagnostic biomarker for GBM...
May 2017: Internal Medicine Review (Washington, D.C.: Online)
https://www.readbyqxmd.com/read/29034351/bridging-patients-with-hepatocellular-cancer-waiting-for-liver-transplant-all-the-patients-are-the-same
#9
REVIEW
Martina Coletta, Daniele Nicolini, Andrea Benedetti Cacciaguerra, Susanna Mazzocato, Roberta Rossi, Marco Vivarelli
Liver transplant (LT) is considered the best curative treatment for patients with cirrhosis and hepatocellular carcinoma (HCC) within Milan criteria. The possibility to perform LT in HCC patients is limited by the liver grafts supply; indeed, the shortage of donors often leads to a long time on waiting list and then to dropout because of tumor progression. Bridging therapies are neo-adjuvant treatments given to patients on LT waitlist, with the aim to prevent tumor progression and to reduce dropout rate. Many bridging modalities have been proposed...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29034348/selection-of-patients-with-hepatocellular-cancer-a-difficult-balancing-between-equity-utility-and-benefit
#10
REVIEW
Alessandro Vitale, Quirino Lai
Although liver transplantation (LT) represents the gold-standard strategy for hepatocellular cancer (HCC), its use is circumscribed by several factors like donor shortage, perioperative complications, or competition with other candidates without HCC. Moreover, different alternative approaches like resection or loco-regional therapies may be attempted in selected cases. The best option for the treatment of an HCC patient is a complex decision, involving several ethical principles including: equity (horizontal equity and vertical equity or urgency), and utility...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29034347/using-a-weaning-immunosuppression-protocol-in-liver-transplantation-recipients-with-hepatocellular-carcinoma-a-compromise-between-the-risk-of-recurrence-and-the-risk-of-rejection
#11
REVIEW
Roberta Angelico, Alessandro Parente, Tommaso Maria Manzia
Hepatocellular carcinoma (HCC) recurrence rate after liver transplantation (LT) is still up to 15-20%, despite a careful selection of candidates and optimization of the management within the waiting list. To reduce tumour recurrence, the currently adopted post-transplant strategies are based on the administration of a tailored immunosuppression (IS) regimen. Drug-induced depression of the immune system is essential in preventing graft rejection, however has a well-established association with oncogenesis. The immune system has a key role as a defending mechanism against cancer development, preventing vascular invasion and metastasis...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29034346/enlarged-selection-criteria-for-hepatocellular-cancer-is-the-upper-limit-needed
#12
REVIEW
Andrea Peloso, Graziano Oldani
Liver transplantation (LT) for hepatocellular carcinoma (HCC) is strategically challenging because the very good mid-term outcomes of this treatment jar with the risk of cancer recurrence. Although Milan criteria (MC) tap the balance on the safe side, they tend to be considered too restrictive and new, enlarged criteria have been conceived in order to enlarge the pool of potential recipients. Some extended criteria are more audacious then others, but they seem to be well tailored on the local reality they are applied to...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29034345/the-growing-impact-of-alpha-fetoprotein-in-the-field-of-liver-transplantation-for-hepatocellular-cancer-time-for-a-revolution
#13
REVIEW
Quirino Lai, Samuele Iesari, Fabio Melandro, Gianluca Mennini, Massimo Rossi, Jan Lerut
The role of alpha-fetoprotein (AFP) in the specific setting of the diagnosis and prognosis of patients with hepatocellular cancer (HCC) waiting for liver transplantation (LT) is still controversial. Recently, a marked interest for this marker has been reported, mainly related to its ability to predict the outcome of HCC patients after LT. The growing number of papers in PubMed indicates that AFP has begun a "second life" in the particular context of LT. Looking at the most recent International Guidelines on HCC, it looks obvious that time is ripe to reevaluate the value of AFP in relation to its prognostic ability to identify HCC patients at high-risk for drop-out before and recurrence after LT...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29034173/mycobacteria-bovis-osteomyelitis-following-intravesical-bcg-for-bladder-cancer
#14
Karan Seegobin, Satish Maharaj, Cherisse Baldeo, Carmen Isache, Bharatsinh Gharia, Lara Zuberi
Mycobacteria Bovis osteomyelitis is a rare adverse effect after Bacillus Calmette-Guerin (BCG) intravesical therapy. A 62-year-old male presented with acute spinal cord compression three months after completing his second course of therapy for bladder cancer. The first course with intravesical BCG was complicated with an episode of hematuria. He reported intermittent subjective fever for 3 weeks thereafter which resolved with Tylenol. Interferon-α2 B was added to the second cycle of intravesical BCG with the indication here being residual tumor, and was tolerated well...
2017: IDCases
https://www.readbyqxmd.com/read/29034078/recent-advances-in-cancer-surgery-in-older-patients
#15
REVIEW
Siri Rostoft, Riccardo A Audisio
Age is the most important risk factor for the occurrence of cancer, and a declining mortality from heart disease and other non-cancer causes leaves an older population that is at high risk of developing cancer. Choosing the optimal treatment for older cancer patients may be a challenge. Firstly, older age and associated factors such as comorbidities, functional limitations, and cognitive impairment are risk factors for adverse effects of cancer treatment. Secondly, older patients are often excluded from clinical trials, and current clinical guidelines rarely address how to manage cancer in patients who have comorbidities or functional limitations...
2017: F1000Research
https://www.readbyqxmd.com/read/29033776/carbohydrate-antigen-19-9-positive-gastric-adenocarcinoma-autopsy-findings-and-review-of-the-literature
#16
Tan Wang, Yoko Matsuda, Atsuko Seki, Keisuke Nonaka, Mototsune Kakizaki, Daita Kaneda, Junko Takahashi-Fujigasaki, Shigeo Murayama, Tomio Arai
Carbohydrate antigen 19-9 (CA19-9) is a well-known tumor marker for pancreatobiliary cancer, and several studies have shown that an elevated serum CA19-9 level is associated with more aggressive biological behavior in gastric cancer (GC). However, the clinicopathological characteristics of CA19-9-positive GC remain unclear. We herein report an autopsy case of CA19-9-positive GC in an 84-year-old man who was admitted to our hospital because of paralysis and anemia. Autopsy revealed an ulcerative-invasive tumor measuring 72 × 60 mm in the anterior wall of the gastric body...
September 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29033589/yttrium-90-radioembolization-of-unresectable-hepatocellular-carcinoma-a-single-center-experience
#17
Carsten Meyer, Claus Christian Pieper, Hojjat Ahmadzadehfar, Nina Alexandra Lampe, Eva Maria E Matuschek, Thomas Adrian Maschke, Simon Jonas Enkirch, Markus Essler, Ulrich Spengler, Hans Heinz Schild
PURPOSE: To determine the value of radioembolization (RE) for treatment of unresectable hepatocellular carcinoma (HCC). PATIENTS AND METHODS: Records of patients undergoing RE for unresectable HCC were retrospectively reviewed. Biochemical and clinical toxicities, imaging response (according to modified Response Evaluation Criteria In Solid Tumors), time-to-progression (TTP) and overall survival (OS) were analyzed. Data were stratified according to clinical and procedural parameters...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29032738/long-term-survival-in-a-patient-with-low-level-inflammatory-markers-and-liver-metastasis-converted-resectable-by-tace
#18
Malkhaz Mizandari, Natela Paksashvili, Nino Kikodze, Tamta Azrumelashvili, Ia Pantsulaia, Koba Shanava, Nona Janikashvili, Tinatin Chikovani
Case report presents the successful treatment of unresectable liver metastasis in a patient with colon cancer. A 44-year-old male underwent right hemicolectomy followed by capecitabine for a moderately differentiated adenocarcinoma of the colon. 2 years later, a liver metastatic lesion was detected and had increased in size despite chemotherapy with capecitabine plus oxaliplatin (XELOX). Curative liver resection was conducted after conversion of unresectable tumor to resectable by transarterial chemoembolization followed by chemotherapy - irinotecan with fluorouracil and folinic acid (FOLFIRI)...
October 2017: Immunotherapy
https://www.readbyqxmd.com/read/29032312/advanced-oxidation-protein-products-induce-s-phase-arrest-of-hepatocytes-via-the-ros-dependent-%C3%AE-catenin-cdk2-mediated-pathway
#19
Shibo Sun, Fang Xie, Xiaoping Xu, Qing Cai, Qifan Zhang, Zhonglin Cui, Yujian Zheng, Jie Zhou
Liver regeneration has important clinical importance in the setting of partial hepatectomy (PH). Following PH, quiescent hepatocytes can reenter cell cycle to restore liver mass. Hepatocyte cell cycle progression, as the basic motivations of liver regeneration, can be disrupted by multiple pathological factors such as oxidative stress. This study aimed to evaluate the role of advanced oxidation protein products (AOPP) in S-phase arrest in hepatocytes. Serum AOPP level were measured during the perioperative period of PH in 33 patients with hepatocellular carcinoma (HCC)...
October 6, 2017: Redox Biology
https://www.readbyqxmd.com/read/29031817/bcrp-abcg2-and-high-alert-medications-biochemical-pharmacokinetic-pharmacogenetic-and-clinical-implications
#20
REVIEW
Daiki Hira, Tomohiro Terada
The human breast cancer resistance protein (BCRP/ABCG2) is an ATP-binding cassette efflux transporter that uses ATP hydrolysis to expel xenobiotics from cells, including anti-cancer medications. It is expressed in the gastrointestinal tract, liver, kidney, and brain endothelium. Thus, ABCG2 functions as a tissue barrier to drug transport that strongly influences the pharmacokinetics of substrate medications. Genetic polymorphisms of ABCG2 are closely related to inter-individual variations in therapeutic performance...
October 12, 2017: Biochemical Pharmacology
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