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Gastroenterology Research

16:11 EDT 18th August 2018 | BioPortfolio

Chemopreventive effects of some popular phytochemicals on human colon cancer: a review.

Colon cancer is one of the major causes of morbidity and mortality worldwide. Dietary phytochemicals have been drawing increasing attention for colon cancer prevention and treatment due to their chemical diversity, biological activity, easy availability, lack of toxic effects, and ability to modulate various signal transduction pathways and cell processes. The chemoprotective effects elicited by p...

Multinational validation of the AJCC 8 edition pancreatic cancer staging system in a pancreas head cancer cohort.

The aim was to compare the 7 and 8 editions of the AJCC staging system for pancreas head cancer and to validate the 8 edition using three multinational tertiary center data.

Lysosome-Targeted Chemotherapeutics: Half-Sandwich Ruthenium(II) Complexes That Are Selectively Toxic to Cancer Cells.

Poor selectivity between cancer cells and normal cells is one of the major limitations of cancer chemotherapy. Lysosome-targeted ruthenium-based complexes target tumor cells selectively, only displaying rather weak cytotoxicity or inactivity toward normal cells. Confocal microscopy was employed for the first time to determine the cellular localization of the half-sandwich Ru complex.

Testing for AFP in combination with ultrasound improves early liver cancer detection.

Nurse-Delivered Symptom Assessment for Individuals With Advanced Lung Cancer.

To assess an intervention derived from self-regulation theory (SRT) to promote well-being for individuals with advanced lung cancer.

Feelings of Disenfranchisement and Support Needs Among Patients With Thyroid Cancer.

To offer a better understanding of the experiences, preferences, and needs of patients with thyroid cancer.

Support Needs of People With Head and Neck Cancer Regarding the Disease and Its Treatment.

To provide insight into people's experiences in dealing with the consequences of head and neck cancer (HNC) in daily life and their needs for self-management support.

Pediatric gastroenterology remains in force.

Molecular subtypes of colorectal cancer in pre-clinical models show differential response to targeted therapies: Treatment implications beyond KRAS mutations.

Molecular subtypes of colorectal tumors are associated with prognosis and prediction for treatment benefit from chemotherapy. The purpose of this study was two-fold: 1) to determine the association of colorectal (CRC) molecular subtypes with response to targeted therapies in pre-clinical models and 2) to identify treatments for CRC stem-like subtype because these tumors are associated with a very ...

Liquid biopsies for management of pancreatic cancer.

Pancreatic cancer is one of the main causes of cancer related deaths worldwide. It is asymptomatic at an early stage, and most diagnosis occurs when the disease is already at a late stage, by which time the tumor is nonresectable. In order to increase the overall survival of patients with pancreatic cancer, as well as to decrease the cancer burden, it is necessary to perform early diagnosis, progn...

Functional characterization of alternatively spliced GSN in head and neck squamous cell carcinoma.

We have recently performed the characterization of alternative splicing events (ASEs) in head and neck squamous cell carcinoma, which allows dysregulation of protein expression common for cancer cells. Such analysis demonstrated a high ASE prevalence among tumor samples, including tumor-specific alternative splicing in the GSN gene. In vitro studies confirmed that overall expression of either ASE-...

BRMS1L suppresses ovarian cancer metastasis via inhibition of the β-catenin-wnt pathway.

A low level of breast cancer metastasis suppressor 1-like (BRMS1L) has been implicated in tumour metastasis involving breast cancer and other cancers. It remains unclear whether BRMS1L is involved in epithelial ovarian cancer (EOC) metastasis and what the molecular mechanism of BRMS1L is in suppressing EOC metastasis. In this study, we examined the mRNA expression and protein level of BRMS1L by sc...

Potential Overestimation of Racial Disparities in Response to the 8-Week Ledipasvir/Sofosbuvir Regimen for Hepatitis C Virus Genotype 1 Infection.

What is the true relationship between spontaneous portosystemic shunts and portopulmonary hypertension in cirrhotic patients?

Multiple Bi-directionality Brain-Gut Interactions in Patients With Inflammatory Bowel Disease.

Letter to the editor: Porto-systemic shunt embolization and recurrent ascites: a single centre case series.

USP9X inhibition improves gemcitabine sensitivity in pancreatic cancer by inhibiting autophagy.

Gemcitabine is the cornerstone of pancreatic cancer treatment. Although effective in most patients, development of tumor resistance to gemcitabine can critically limit its efficacy. The mechanisms responsible for this phenomenon remain elusive, but evidence suggests that ubiquitin-specific peptidases (USPs) may be key regulators in cancer chemo-resistance. The present study aimed to investigate th...

PTEN deficiency confers colorectal cancer cell resistance to dual inhibitors of FLT3 and aurora kinase A.

PTEN is a tumor suppressor found mutated in many cancers. From a synthetic lethality drug screen with PTEN-isogenic colorectal cancer cells, we found that mutant-PTEN cells were resistant to dual inhibitors of FLT3 and aurora kinase-A, including KW2449 and ENMD-2076. KW2449 significantly reduced the viability of wildtype-PTEN cells causing apoptosis, while little effect was observed in mutant-PTEN...

Designer hydrogels: Shedding light on the physical chemistry of the pancreatic cancer microenvironment.

Pancreatic ductal adenocarcinoma (PDAC) is currently the third leading cause of cancer mortality in the United States, with a 5-year survival of ∼8%. PDAC is characterized by a dense and hypo-vascularized stroma consisting of proliferating cancer cells, cancer-associated fibroblasts, macrophages and immune cells, as well as excess matrices including collagens, fibronectin, and hyaluronic acid. I...

Tim-4 promotes the growth of colorectal cancer by activating angiogenesis and recruiting tumor-associated macrophages via the PI3K/AKT/mTOR signaling pathway.

T-cell immunoglobulin domain and mucin domain-4 (Tim-4) is overexpressed in several tumors and is correlated with enhanced tumor development and metastasis. In this study, we investigated the physiological alterations and molecular events related to Tim-4 overexpression in a mouse model of colorectal cancer (CRC). In the current study, we observed that Tim-4 is upregulated in CRC tissues compared ...

Two novel camptothecin derivatives inhibit colorectal cancer proliferation via induction of cell cycle arrest and apoptosis in vitro and in vivo.

At present, chemotherapy is still to be the preferred and most significant therapeutic strategy for cancer patients in clinical practice. Although Camptothecin (CPT) has been discovered for over half century, a series of CPT derivatives such as Topotecan (TPT) and irinotecan (CPT-11) have been approved and are still to be the first-line medicines for clinical application. Up to now, the topoisomer...

Laser Uses In Non-Coronary Arterial Disease.

In the past decade, excimer laser angioplasty (ELA) has emerged in the field of peripheral atherosclerotic disease (PAD). Laser indications now extend to off-label uses, such as in situ fenestration of aortic endograft. The aim of this study was to review the different therapeutics applications of lasers in arterial disease treatment.

Enhanced expression of lncRNA TP73-AS1 predicts unfavorable prognosis for gastric cancer and promotes cell migration and invasion by induction of EMT.

Gastric cancer (GC) is a deadly disease with high incidence worldwide in recent years. Long noncoding RNAs (lncRNAs) were found to play imperative roles in many biological processes, such as cancer development and progression. Specifically, TP73-AS1, a novel cancer-related lncRNA, was documented to be up-regulated in several malignancies, but the clinical significance and functional role of TP73-A...

Bridging the gap by discerning SNPs in linkage disequilibrium and their role in breast cancer.

Breast Cancer is the most common cancer among women with several genes involved in disease susceptibility. As majority of genome-wide significant variants fall outside the coding region, it is likely that some of them alter specific gene functions. GWAS database was used to interpret the regulatory functions of these genetic variants. A total of 320 SNPs for breast cancer were selected via GWAS, w...

Photodynamic therapy for rosacea in Chinese patients.

Rosacea is a common chronic cutaneous disorder which is characterized by flushing, erythema, papulopustules and telangiectasia. The pathogenesis of the disease is still unknown. A multifaceted approach is necessary to control the disease because of its tendency to relapse. New more effective treatment options are desirable to achieve a complete remission. Aminolevulinic acid-photodynamic therapy (...

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