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Bosnian Journal of Basic Medical Sciences

Tanja Prunk Zdravković, Bogdan Zdravković, Mojca Lunder, Polonca Ferk
Titanium dioxide (TiO2) is widely used as an inorganic UV-filter in cosmetic products; however, it has been classified as possibly carcinogenic to humans. While numerous studies demonstrated cytotoxic and genotoxic effects of nano-sized TiO2 in different cell lines, including human skin cells, studies investigating the effects of micro-TiO2 on human keratinocytes and melanocytes, in healthy and cancer cells, are scarce. Adenosine triphosphate (ATP) binding cassette subfamily B member 5 (ABCB5) is a plasma membrane protein known for its role in the tumorigenicity, progression, and recurrence of melanoma...
November 1, 2018: Bosnian Journal of Basic Medical Sciences
Sibel Cetintas, Gulcin Tezcan, Berrin Tunca, Unal Egeli, Mustafa Sehsuvar Gokgoz, Gulsah Cecener
Distant organ tumor dissemination is a major cause of breast cancer-related deaths. In 2010, we analyzed the prognostic importance of the circulating tumor markers (CTM) cytokeratin (CK)19, CK20, epidermal growth factor receptor (EGFR) and human epidermal growth factor receptor 2 (HER2) in relation to the clinical and pathological characteristics of patients with breast cancer (BC). To assess the clinical utility of CK19, CK20 and EGFR in predicting distant metastasis and recurrence in BC, here we report 7-year follow-up results of 77 patients...
September 17, 2018: Bosnian Journal of Basic Medical Sciences
Syuan-Hao Syu, Yung-Wei Lin, Ke-Hsun Lin, Liang-Ming Lee, Chi-Hao Hsiao, Yu-Ching Wen
Immunosuppressive therapies decreased the incidence of acute kidney rejection after kidney transplantation, but also increased the risk of infections and sepsis. This study aimed to identify the risk factors associated with complications and/or graft failure in kidney transplant patients with sepsis. A total of 14,658 kidney transplant patients with sepsis, identified in the National Inpatient Sample (NIS) database (data from 2005-2014), were included in the study and classified into three groups: patients without complications or graft failure/dialysis (Group 1), patients with complications only (Group 2), and patients with complications and graft failure/dialysis (Group 3)...
September 16, 2018: Bosnian Journal of Basic Medical Sciences
Barbara Dariš, Mojca Tancer Verboten, Željko Knez, Polonca Ferk
The plant Cannabis sativa L. has been used as an herbal remedy for centuries and is the most important source of phytocannabinoids. The endocannabinoid system (ECS) consists of receptors, endogenous ligands (endocannabinoids) and metabolizing enzymes, and plays an important role in different physiological and pathological processes. Phytocannabinoids and synthetic cannabinoids can interact with the components of ECS or other cellular pathways and thus affect the development/progression of diseases, including cancer...
September 2, 2018: Bosnian Journal of Basic Medical Sciences
Nesrine Essid, Jean Claude Chambard, Amel Benammar Elgaaïed
Tumor microenvironment provides a specialized niche in which a population of stem-like cells is enriched and contributes to cancer progression. Moreover, cancer stem cell (CSC) phenotype has been associated with epithelial-mesenchymal transition (EMT). Here we investigated the effect of tumor microenvironment on the phenotypic characteristics of head and neck cancer cells and expression of CSC markers using a three-dimensional (3D), spheroid, culture system of CAL33 cell line from human tongue squamous cell carcinoma...
November 7, 2018: Bosnian Journal of Basic Medical Sciences
Ali Asgharzadeh, Shaban Alizadeh, Mohammad Reza Keramati, Masoud Soleimani, Amir Atashi, Mahdi Edalati, Zahra Kashani Khatib, Mohammad Rafiee, Mohyedin Barzegar, Hengamehsadat Razavi
Numerous studies indicated that microRNAs are critical in the regulation of cellular differentiation, by controlling the expression of underlying genes. The aim of this study was to investigate the effect of miR-210 upregulation on differentiation of human umbilical cord blood (HUCB)-derived mesenchymal stem cells (MSCs) into osteoblasts. MSCs were isolated from HUCB and confirmed by their adipogenic/osteogenic differentiation and flow cytometric analysis of surface markers. Pre-miR-210 was amplified from human DNA, digested and ligated with plenti-III-mir-green fluorescent protein (GFP) vector, and cloned in STBL4 bacteria...
November 7, 2018: Bosnian Journal of Basic Medical Sciences
Faraz Ahmad, Widyan Alamoudi, Shafiul Haque, Mohammad Salahuddin, Khaldoon Alsamman
Mitochondria are organelles involved in the production of cellular energy, regulation of Ca2+ and redox signaling, and are critical for normal functioning of eukaryotic cells. The dysfunction of mitochondria has been implicated in a wide range of diseases, including metabolic and neurodegenerative disorders and different types of cancers. To better understand the role of mitochondria in healthy and disease states, the development of efficient and reliable tools for the assessment of mitochondrial function is particularly important...
November 7, 2018: Bosnian Journal of Basic Medical Sciences
Hale Demir, Ozgecan Dulgar, Bugra Taygun Gulle, Hande Turna, Sennur Ilvan
Aldehyde dehydrogenase 1 (ALDH1) has been identified as a marker of cancer stem cells in breast cancer (BC). Recent studies showed that ALDH1 expression is correlated with poor prognostic parameters and worse clinical outcome in BC. We evaluated ALDH1 expression by immunohistochemistry in a series of 217 invasive BCs and investigated the correlation between ALDH1 expression and clinicopathological parameters, molecular subtypes (luminal A, luminal B, human epidermal growth factor receptor 2 [HER2] type, and triple-negative BC [TNBC]), and patient survival...
November 7, 2018: Bosnian Journal of Basic Medical Sciences
Ozgur Basal, Tolga Atay, İbrahim Metin Ciris, Yakup Barbaros Baykal
Angiogenic effects of epidermal growth factor (EGF), a potent mitogen, have been demonstrated previously. Moreover, different in vitro studies showed that EGF affects processes associated with bone healing, such as osteoblast differentiation and bone resorption. The aim of this study was to investigate the effect of combined core decompression (CD) and recombinant human EGF (rhEGF) treatment on early-stage osteonecrosis of the femoral head (ONFH) surgically induced in rats. ONFH was induced by dissecting the cervical periosteum and placing a ligature tightly around the femoral neck...
November 7, 2018: Bosnian Journal of Basic Medical Sciences
Kristian Karlović, Jadranka Nikolić, Jurica Arapović
A frequent complication during hospital stay of patients with urinary tract infections (UTIs) is a re-infection of the urinary tract after the initial improvement. In this study, we investigated the impact of two empirical antibiotic therapies on the outcomes of complicated bacterial UTIs. We retrospectively evaluated 325 adult patients hospitalized during 6 years period with a diagnosis of complicated bacterial UTIs. The patients were classified into two groups according to the antibiotic therapy: ceftriaxone- and co-amoxiclav+gentamicin-treated group...
November 7, 2018: Bosnian Journal of Basic Medical Sciences
Jing Zhou, Gang Cheng, Hua Pang, Qian Liu, Ying Liu
Accumulating evidence has shown that hypothyroidism affects the cardiovascular system, significantly increasing the incidence of cardiovascular diseases. In the present study we investigated the effect of radioactive iodine (I-131)-induced hypothyroidism on several parameters of vascular function, such as nitric oxide (NO), total nitric oxide synthase (NOS) activity and expression of NOS isoforms, as well as on interleukin 6 (IL-6) and tumor necrosis factor alpha (TNF-α) as indicators of inflammation, in rats...
November 7, 2018: Bosnian Journal of Basic Medical Sciences
Svetlana Pavlovic, Zorica Jovic, Radmila Karan, Dane Krtinic, Gorana Rankovic, Mladjan Golubovic, Jelena Lilic, Voja Pavlovic
Ketamine is a widely used anesthetic in pediatric clinical practice. Previous studies have demonstrated that ketamine induces neurotoxicity and has a modulatory effect on the cells of the immune system. Here, we evaluated the potential protective effect and underlying mechanisms of natural phenolic compound curcumin against ketamine-induced toxicity in rat thymocytes. Rat thymocytes were exposed to 100 µM ketamine alone or combined with increasing concentrations of curcumin (0.3, 1, and 3 μM) for 24 hours...
November 7, 2018: Bosnian Journal of Basic Medical Sciences
Matej Završnik, Jernej Letonja, Jana Makuc, Maja Šeruga, Ines Cilenšek, Daniel Petrovič
Diabetic nephropathy (DN) is a microvascular complication that affects up to 40% of diabetic patients and can lead to end-stage kidney disease. Inflammatory cytokines such as interleukin 1 (IL-1), IL-6, IL-18 and tumor necrosis factor-α (TNFα) have been linked to the development and progression of DN. The aim of our study was to examine the relationship between interleukin-4 (IL4) -590C/T (rs2243250) gene polymorphism and DN in patients with type 2 diabetes mellitus (T2DM). This study is a continuation of our previous research on the association between angiotensinogen (AGT) gene polymorphisms and DN in patients with T2DM...
November 7, 2018: Bosnian Journal of Basic Medical Sciences
Tomaz Velnar
Spontaneous intracerebral hemorrhage (ICH) is one of the most serious causes of stroke, leading to high rates of disability and mortality. In addition to intensive medical treatment, surgery may help to improve the prognosis in patients with ICH. A rapid reversal of coagulopathy is essential in these patients, although it may be difficult to achieve in various bleeding disorders. In such cases, when surgery is needed, a minimally invasive approach is recommended. In this case report, we described and shortly discussed the evacuation of ICH with a minimally invasive non-endoscopic surgical technique...
November 7, 2018: Bosnian Journal of Basic Medical Sciences
Guofang Hou, Boran Xu, Yanghui Bi, Chuanlin Wu, Beibei Ru, Bei Sun, Xuewei Bai
Pancreatic cancer (PC) is a highly aggressive tumor, often difficult to diagnose and treat. Aspartate β-hydroxylase (ASPH) is a type II transmembrane protein and the member of α-ketoglutarate-dependent dioxygenase family, found to be overexpressed in different cancer types, including PC. ASPH appears to be involved in the regulation of proliferation, invasion and metastasis of PC cells through multiple signaling pathways, suggesting its role as a tumor biomarker and therapeutic target. In this review, we briefly summarize the possible mechanisms of action of ASPH in PC and recent progress in the therapeutic approaches targeting ASPH...
November 5, 2018: Bosnian Journal of Basic Medical Sciences
Ivana Jovčevska
Glioblastomas account for the majority of primary brain tumors. Although glioblastomas are considered as rare diseases, they represent 60%-70% of all gliomas and in most cases have fatal consequences. Genetic analyses show great heterogeneity both intratumor and intertumor. This notion opens up debates about glioblastoma origin. Different brain cells including astrocytes, neural stem cells, oligodendrocyte precursor cells and glioblastoma stem cells are proposed as capable of initiation and reseeding a tumor; however data is still inconclusive...
August 14, 2018: Bosnian Journal of Basic Medical Sciences
Zhongjian Ju, Jingyuan Wang, Huaiwen Zhang, Lei Du, Wei Xu, Xiaoshen Wang, Ruigang Ge, Jiwei Li, Qingzeng Zheng, Jianxiong Li
CyberKnife stereotactic body radiation therapy (SBRT) is becoming increasingly used for cancer treatment and, to maximize its clinical application, it is important to define the dosimetric characteristics, optimal dose and fractionation regimens. The aim of this study was to evaluate the dose fall-off in two fractionated regimens of CyberKnife SBRT during the treatment of thoracic spinal metastasis. Patients with spinal metastasis involving a vertebra and pedicle were treated with 40 Gy in 5 fractions (n = 4), and patients with spinal metastasis involving only a vertebra received 33 Gy in 3 fractions (n = 4)...
August 2, 2018: Bosnian Journal of Basic Medical Sciences
Peng Li, Mingqiang Dong, Zhigang Wang
Previous studies demonstrated dysregulation of different microRNAs in thyroid cancer. Tetraspanins (TSPANs) are cell surface proteins with critical roles in many cellular processes, and implications in tumor development. Here we investigated the role of miR-369-3p in papillary thyroid cancer (PTC) and its association with TSPAN13. miR-369-3p and the TSPAN13 gene expression profiles of 513 thyroid cancer and 59 normal thyroid tissues were downloaded from the Cancer Genome Atlas database. Thyroid cancer tissues were classified according to the histological type, grouped based on low and high median miR-369-3p and TSPAN13 expression, and analyzed in relation to overall survival (OS) of patients...
August 2, 2018: Bosnian Journal of Basic Medical Sciences
Alexandru Mester, Ondine Lucaciu, Lidia Ciobanu, Dragos Apostu, Aranka Ilea, Radu Septimiu Campian
Oral lichen planus (OLP) is a chronic inflammatory disease characterized by the occurrence of multiple, symmetrical lesions in the oral cavity. Hepatitis C virus (HCV) infection has been suggested as an etiological factor in OLP. The purpose of this review was to summarize the current literature regarding the treatment of OLP in patients with HCV infection. An electronic search of the PubMed database was conducted until January 2018, using the following keywords: OLP, HCV, corticosteroids, retinoids, immunomodulatory agents, surgical interventions, photochemotherapy, laser therapy, interferon, ribavirin, and direct-acting antivirals...
August 1, 2018: Bosnian Journal of Basic Medical Sciences
Petra Radulović, Božo Krušlin
Extensive research is being conducted to identify novel diagnostic, predictive and prognostic biomarkers for pancreatic ductal adenocarcinoma (PDAC), as only a few markers have been routinely used so far with limited success. Our aim was to assess the expression of neural precursor cell expressed developmentally down-regulated protein 9 (NEDD9), E-cadherin, and γ-catenin in PDAC in relation to clinicopathological parameters and patient survival. We also investigated if there is a correlation of NEDD9 expression with E-cadherin or γ-catenin...
August 1, 2018: Bosnian Journal of Basic Medical Sciences
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