Gastroenterology Research

23:22 EDT 28th March 2017 | BioPortfolio

Patient satisfaction with clinicians in colorectal 2-week wait clinics.

To determine if patient satisfaction is affected by the clinician (nurse or doctor), conducting the colorectal 2-week wait (2ww) clinics.

Prognostic significance of granulomas in children with Crohn's disease.

Granulomas have long been considered the histological hallmark of Crohn's disease (CD). Currently, there is considerable dispute with regards to their prognostic implications. We aimed to determine the effect of granulomas on phenotypic features and disease's long-term outcomes in a large cohort of pediatric CD patients.

A High-Throughput Screening Model of the Tumor Microenvironment for Ovarian Cancer Cell Growth.

The tumor microenvironment plays an important role in the processes of tumor growth, metastasis, and drug resistance. We have used a multilayered 3D primary cell culture model that reproduces the human ovarian cancer metastatic microenvironment to study the effect of the microenvironment on the pharmacological responses of different classes of drugs on cancer cell proliferation. A collection of on...

Robotic Mammosphere Assay for High-Throughput Screening in Triple-Negative Breast Cancer.

In order to identify novel treatment principles specifically affecting cancer stem cells in triple-negative breast cancer, we have developed a high-throughput screening method based on the mammosphere and anoikis resistance assays allowing us to screen compounds using a functional readout. The assay was validated against manual protocols and through the use of positive controls, such as the respon...

Isolation and Characterization of a Distinct Subpopulation from the WM115 Cell Line That Resembles In Vitro Properties of Melanoma Cancer Stem Cells.

Despite key advances in cancer therapies, malignant tumors, such as melanoma, continue to be one of the leading causes of mortality. Recent debate on whether cancer can originate from a tumor-initiating subpopulation has permeated oncology and stem cell research. It has been well established that primary and immortalized tumor cells consist of heterogeneous cell populations. The profound effect of...

Re: The role of Th1/Th2 cells and associated cytokines in autoimmune hepatitis.

Seroprevalance of hepatitis B and C infections in Turkey.

Etiology and comorbidities of childhood obesity.

Retraction Notice.

This retracts the article DOI: 10.4318/tjg.2011.0208.

Early rectal cancer: a choice between local excision and transabdominal resection. A review of the literature and current guidelines.

Indication for Local Excision (LE) or Trans Abdominal Resections with Total Mesorectal Excision (TAR) in Early Rectal Cancer (ERC) are still controversial.

Long telomeres protect against age-dependent cardiac disease caused by NOTCH1 haploinsufficiency.

Diseases caused by gene haploinsufficiency in humans commonly lack a phenotype in mice that are heterozygous for the orthologous factor, impeding the study of complex phenotypes and critically limiting the discovery of therapeutics. Laboratory mice have longer telomeres relative to humans, potentially protecting against age-related disease caused by haploinsufficiency. Here, we demonstrate that te...

Advances in hepatology.

Current and future pharmacologic treatment of nonalcoholic steatohepatitis.

Nonalcoholic steatohepatitis (NASH), the aggressive form of nonalcoholic fatty liver disease (NAFLD), can progress to cirrhosis and hepatocellular cancer in 5-15% of patients and is rapidly becoming the leading cause for end-stage liver disease. Dietary caloric restriction and exercise, currently the cornerstone of therapy for NAFLD, can be difficult to achieve and maintain, underscoring the dire ...

Elevated Expression of Kin17 in Cervical Cancer and Its Association With Cancer Cell Proliferation and Invasion.

Cervical cancer is one of the most common cancers in women worldwide. Emerging evidence suggests that kin17 is a tumor-promoting protein in some types of solid tumors. However, whether kin17 contributes to cervical cancer carcinogenesis remains unknown.

Combined Oral Medroxyprogesterone/Levonorgestrel-Intrauterine System Treatment for Women With Grade 2 Stage IA Endometrial Cancer.

The aim of this study was to evaluate the oncologic and pregnancy outcomes of combined oral medroxyprogesterone acetate (MPA)/levonorgestrel-intrauterine system (LNG-IUS) treatment in young women with grade 2-differentiated stage IA endometrial adenocarcinoma who wish to preserve fertility.

The Effect of Disease Activity on Birth Outcomes in a Nationwide Cohort of Women with Moderate to Severe Inflammatory Bowel Disease.

Active inflammatory bowel disease (IBD) during conception and pregnancy may increase the risk of adverse birth outcomes. Former studies have examined heterogeneous groups of women with varying degrees of IBD severity. We aimed to examine the effect of active IBD on birth outcomes in a more homogeneous group of women with a moderate to severe disease course. Since in Denmark, moderate to severe IBD...

The Impact of Laparoscopic-assisted Colorectal Surgery Using 3-dimensional Reconstruction for Highly Obese Patients With Colorectal Cancer.

During laparoscopic-assisted colorectal surgery (LACS), precise recognition of the anatomic variations and relationships among tumor and vessels is required. However, in highly obese patients, it is more difficult to grasp the surgical anatomy due to the presence of dense mesenteric fat tissue. We utilized a 3-dimensional (3D) reconstructed image for preoperative simulation and intraoperative navi...

A Correlational Study of Spiritual Well-being and Depression in the Adult Cancer Patient.

Depression in adult cancer patients has been widely studied, along with spiritual effects of traumatic events and even spiritual growth after a diagnosis of cancer. There has been limited research determining a direct correlation between spiritual well-being and depression in adult cancer patients. The purpose of this research study was to examine the relationship between spiritual well-being and ...

Population pharmacokinetics of gemcitabine and dFdU in pancreatic cancer patients using an optimal design, sparse sampling approach.

Gemcitabine remains a pillar in pancreatic cancer treatment. However, toxicities are frequently observed. Dose adjustment based on therapeutic drug monitoring might help decrease the occurrence of toxicities. In this context, this work aims at describing the pharmacokinetics (PK) of gemcitabine and its metabolite dFdU in pancreatic cancer patients and at identifying the main sources of their PK va...

DNA Repair Pathway Alterations in Bladder Cancer.

Most bladder tumors have complex genomes characterized by a high mutation burden as well as frequent copy number alterations and chromosomal rearrangements. Alterations in DNA repair pathways-including the double-strand break (DSB) and nucleotide excision repair (NER) pathways-are present in bladder tumors and may contribute to genomic instability and drive the tumor phenotype. DNA damaging such a...

Multifaceted Applications of Chitosan in Cancer Drug Delivery and Therapy.

Chitosan is a versatile polysaccharide of biological origin. Due to the biocompatible and biodegradable nature of chitosan, it is intensively utilized in biomedical applications in scaffold engineering as an absorption enhancer, and for bioactive and controlled drug release. In cancer therapy, chitosan has multifaceted applications, such as assisting in gene delivery and chemotherapeutic delivery,...

Engineered Resistant-Starch (ERS) Diet Shapes Colon Microbiota Profile in Parallel with the Retardation of Tumor Growth in In Vitro and In Vivo Pancreatic Cancer Models.

Pancreatic cancer (PC) is ranked as the fourth leading cause of cancer-related deaths worldwide. Despite recent advances in treatment options, a modest impact on the outcome of the disease is observed so far. We have previously demonstrated that short-term fasting cycles have the potential to improve the efficacy of chemotherapy against PC. The aim of this study was to assess the effect of an engi...

T-lymphocyte homing: an underappreciated yet critical hurdle for successful cancer immunotherapy.

Advances in cancer immunotherapy have offered new hope for patients with metastatic disease. This unfolding success story has been exemplified by a growing arsenal of novel immunotherapeutics, including blocking antibodies targeting immune checkpoint pathways, cancer vaccines, and adoptive cell therapy (ACT). Nonetheless, clinical benefit remains highly variable and patient-specific, in part, beca...

The metastatic suppressor NDRG1 inhibits EMT, migration and invasion through interaction and promotion of caveolin-1 ubiquitylation in human colorectal cancer cells.

N-myc downstream-regulated gene 1 (NDRG1) has been reported to act as a key regulatory molecule in tumor progression-related signaling pathways, especially in tumor metastasis. However, the related mechanism has not been fully discovered yet. Herein we demonstrated that the novel molecule of cell migration and invasion, caveolin-1, has direct interaction with NDRG1 in human colorectal cancer (CRC)...

IL-17C mediates the recruitment of tumor-associated neutrophils and lung tumor growth.

Chronic obstructive pulmonary disease (COPD) is associated with an increased risk for lung cancer and an aberrant microbiota of the lung. Microbial colonization contributes to chronic neutrophilic inflammation in COPD. Nontypeable Haemophilus influenzae (NTHi) is frequently found in lungs of stable COPD patients and is the major pathogen triggering exacerbations. The epithelial cytokine interleuki...

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