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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 have been linked to the development and progression of DN. The aim of our study was to examine the relationship between rs2243250 polymorphism of the interleukin 4 gene (IL4) 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...
March 7, 2018: Bosnian Journal of Basic Medical Sciences
Hongli Chen, Xiaotong Sun, Xiaomei Yang, Yonghao Hou, Xiaoqian Yu, Yang Wang, Jianbo Wu, Dejie Liu, Huanliang Wang, Jingui Yu, Wenbo Yi
Mechanical ventilation (MV) may lead to ventilator-induced lung injury (VILI). Previous research has shown that dexmedetomidine attenuates pulmonary inflammation caused by MV, but the underlying mechanisms remain unclear. Our study aims to test whether dexmedetomidine has a protective effect against VILI and to explore the possible molecular mechanisms using the rat model. Thirty adult male Wistar rats weighing 200-250 g were randomly assigned to 5 groups (n = 6): control, low tidal volume MV (LMV), high tidal volume (HVT) MV (HMV), HVT MV + dexmedetomidine (DEX), HVT MV + dexmedetomidine + yohimbine (DEX+Y)...
February 20, 2018: Bosnian Journal of Basic Medical Sciences
Magdalena Bogdanovska Todorovska, Gordana Petrushevska, Vesna Janevska, Liljana Spasevska, Slavica Kostadinova Kunovska
Accurate assessment of human epidermal growth factor receptor 2 (HER-2) is crucial in selecting patients for targeted therapy. Commonly used methods for HER-2 testing are immunohistochemistry (IHC) and fluorescence in situ hybridization (FISH). Here we presented the implementation, optimization and standardization of two FISH protocols using breast cancer samples and assessed the impact of pre-analytical and analytical factors on HER-2 testing. Formalin fixed paraffin embedded (FFPE) tissue samples from 70 breast cancer patients were tested for HER-2 using PathVysion™ HER-2 DNA Probe Kit and two different paraffin pretreatment kits, Vysis/Abbott Paraffin Pretreatment Reagent Kit (40 samples) and DAKO Histology FISH Accessory Kit (30 samples)...
January 30, 2018: Bosnian Journal of Basic Medical Sciences
Feng Tong, Youhua Ying, Haihua Pan, Wei Zhao, Hongchen Li, Xiaoli Zhan
MicroRNAs (miRNAs) have an important role in the regulation of tumor development and metastasis. In this study, we investigated the clinical and prognostic value as well as biological function of miR-466 in colorectal cancer (CRC). Tumor and adjacent healthy tissues were obtained from 100 patients diagnosed with CRC. miR-466 expression was determined by quantitative reverse transcription polymerase chain reaction (qRT-PCR). mRNA and protein levels of cyclin D1, apoptosis regulator BAX (BAX), and matrix metalloproteinase-2 (MMP-2) were analyzed by qRT-PCR and Western blot, respectively, in SW-620 CRC cells transfected with miR-466 mimics or negative control miRNA...
January 17, 2018: Bosnian Journal of Basic Medical Sciences
Zlatko Djurić, Ljiljana Šaranac, Ivana Budić, Voja Pavlović, Jelena Djordjević
The main role of therapy in Crohn's disease is to achieve long-term clinical remission, and to allow for normal growth and development of children. The immunomodulatory drugs used for the maintenance of remission in Crohn's disease include thiopurines (azathioprine and 6-mercaptopurine) and methotrexate. Development of hepatosplenic T-cell lymphoma in some patients with inflammatory bowel disease, treated with thiopurines independently or in combination with anti-tumor necrosis factor agents, resulted in a growing interest in the therapeutic application of methotrexate in children suffering from Crohn's disease...
January 16, 2018: Bosnian Journal of Basic Medical Sciences
Mihai Sandesc, Alexandru Florin Rogobete, Ovidiu Horea Bedreag, Anca Dinu, Marius Papurica, Carmen Alina Cradigati, Mirela Sarandan, Sonia Elena Popovici, Lavinia Melania Bratu, Tiberiu Bratu, Adrian Tudor Stan, Dorel Sandesc
Critically ill polytrauma patients have increased production of free radicals (FRs) and consequent alterations in biochemical pathways, as well as disruption of cellular integrity, due to increased lipid peroxidation. The aim of this study was to investigate several biomarkers associated with increased oxidative stress in critically ill polytrauma patients, and to evaluate the effect of antioxidant treatment on the clinical outcome in these patients. A total of 67 polytrauma patients from an intensive care unit met the selection criteria...
January 9, 2018: Bosnian Journal of Basic Medical Sciences
Faik Tatli, Orhan Gozeneli, Hacer Uyanikoglu, Ali Uzunkoy, Huseyin Cahit Yalcın, Abdullah Ozgonul, Osman Bardakci, Adnan Incebiyik, Muhammet Emin Guldur
Abdominal wall endometriosis (AWE) is a rare form of endometriosis that usually develops in the scar after cesarean section (CS). Recently, the occurrence of AWE has been increasing together with the increase of CS incidence. AWE can be clinically misdiagnosed as hernia, lipoma, or hematoma. Here we retrospectively analyzed the clinical aspects of AWE and surgical approach in 14 patients from a tertiary hospital, who were treated by surgery, between 2012 and 2017. The mean age was 32.71 ± 8.61 years (range: 19-45)...
December 29, 2017: Bosnian Journal of Basic Medical Sciences
Ana Marija Skoda, Dora Simovic, Valentina Karin, Vedran Kardum, Semir Vranic, Ljiljana Serman
The Hedgehog (Hh) signaling pathway was first identified in the common fruit fly. It is a highly conserved evolutionary pathway of signal transmission from the cell membrane to the nucleus. The Hh signaling pathway plays an important role in the embryonic development. It exerts its biological effects through a signaling cascade that culminates in a change of balance between activator and repressor forms of glioma-associated oncogene (Gli) transcription factors. The components of the Hh signaling pathway involved in the signaling transfer to the Gli transcription factors include Hedgehog ligands (Sonic Hh [SHh], Indian Hh [IHh], and Desert Hh [DHh]), Patched receptor (Ptch1, Ptch2), Smoothened receptor, Suppressor of fused homolog, kinesin-7, protein kinase A, and cyclic adenosine monophosphate (AMP)...
December 23, 2017: Bosnian Journal of Basic Medical Sciences
Nafisseh S Warner, Matthew A Warner, Darrel R Schroeder, Juraj Sprung, Toby N Weingarten
Caffeine has been shown to enhance the speed of recovery from general anesthesia in murine models, though data in human patients is lacking. This is a retrospective review of intravenous caffeine administration (median dose 150 [125, 250] mg) to 151 heavily sedated patients in the post-anesthesia recovery area, to determine the association between caffeine administration and changes in sedation score, respiratory rate, and oxyhemoglobin saturation. Richmond Agitation-Sedation Scale (RASS) score, respiratory rate, and oxyhemoglobin saturation values were obtained during the 90-minute period prior to and following caffeine administration...
February 20, 2018: Bosnian Journal of Basic Medical Sciences
Jia Liu, Li Xu, Zhuo-Lin Chen, Min Li, Huan Yi, Fu-Hua Peng
Previous research indicated the association between hepatitis B virus (HBV) infection/vaccination and the onset of demyelinating diseases. However, most of these studies were single case reports, and comprehensive data are still scarce. Here we present a comprehensive analysis of 10 patients with neuromyelitis optica spectrum disorder (NMOSD) combined with chronic hepatitis B (CHB) infection and seropositive for anti-aquaporin-4 antibody (AQP4-Ab). Demographic, clinical, laboratory, neuroimaging, outcome, and follow-up data of the 10 patients were retrospectively analyzed...
February 20, 2018: Bosnian Journal of Basic Medical Sciences
Sandra Burja, Tina Belec, Nika Bizjak, Jernej Mori, Andrej Markota, Andreja Sinkovič
Ventilator-associated pneumonia (VAP) is a potentially preventable iatrogenic illness that may develop following mechanical ventilation. A bundle for the prevention of VAP consists of different measures which may vary between institutions, and may include: elevation of the head of the bed, oral care with chlorhexidine, subglottic suctioning, daily assessment for extubation and the need for proton-pump inhibitors, use of closed suction systems, and maintaining endotracheal cuff pressure at 25 cmH2O. Our aim was to determine the efficacy of a VAP prevention bundle, consisting of the above-mentioned measures, by evaluating the incidence of VAP before (no-VAP-B group) and after (VAP-B group) the introduction of the bundle...
February 20, 2018: Bosnian Journal of Basic Medical Sciences
Mehmet Dagli, Ali Kutlucan, Sedat Abusoglu, Abdulkadir Basturk, Mehmet Sozen, Leyla Kutlucan, Ali Unlu, Farise Yilmaz
A decrease in bone mass is observed in hemophilic patients. The aim of this study was to evaluate bone mineral density (BMD), parathyroid hormone (PTH), 25-hydroxy vitamin D (vitamin D), and a bone formation and resorption marker, procollagen type I N-terminal propeptide (PINP) and urinary N-terminal telopeptide (uNTX) respectively, in hemophilic patients and healthy controls. Laboratory parameters related to the pathogenesis of bone loss such as neutrophil-lymphocyte ratio (NLR) and platelet-lymphocyte ratio (PLR) were also evaluated...
December 13, 2017: Bosnian Journal of Basic Medical Sciences
Xiao-Feng He, Long Zhang, Chun-Hua Zhang, Con-Ran Zhao, Heng Li, Ling-Fei Zhang, Guo-Feng Tian, Ming-Feng Guo, Zheng Dai, Fu-Ge Sui
Previous studies suggested that oxidative stress is related to the onset and development of osteoporosis. Moreover, it was demonstrated that berberine has a protective effect against oxidative stress-induced injuries. In this study, we aimed to investigate the effect and mechanism of action of berberine on rats with induced osteoporosis. Sixty 8-week-old female Wistar rats were randomly divided into the following 6 groups: control saline-treated, osteoporosis saline-treated, 3 osteoporosis berberine-treated groups (Ber 5, 10, and 20 mg/kg/body weight, respectively), and osteoporosis alendronate-treated (ALD) group...
November 20, 2017: Bosnian Journal of Basic Medical Sciences
Rifet Terzić, Ines Cilenšek, Ruda Zorc Pleskovič, Sara Mankoč, Aleksandra Milutinović
Diabetic retinopathy (DR) is a complication of diabetes characterized by vascular permeability, increased tissue ischemia, and angiogenesis. One of the most important proteins involved in angiogenesis is vascular endothelial growth factor (VEGF, also known as VEGFA). A previous study demonstrated that two single nucleotide polymorphisms (SNPs), rs6921438 and rs10738760, account for nearly half the variation in circulating VEGF levels. The aim of our study was to assess the association between rs6921438 and rs10738760 and DR in Slovenian patients with type 2 diabetes mellitus (T2DM)...
November 20, 2017: Bosnian Journal of Basic Medical Sciences
Krzysztof Borecki, Iwona Zawada, Anna Pawinska-Matecka, Nermin Nusret Salkic, Beata Karakiewicz, Grażyna Adler
The role of ABCB1 single nucleotide polymorphisms (SNPs) in the development of Crohn's disease (CD) remains unclear. Due to inconsistent results of several European population-based studies and limited information on populations from Poland and Bosnia and Herzegovina (B&H), we conducted a preliminary association study of two main ABCB1 SNPs and CD. ABCB1 3435C>T and 2677G>T/A SNPs were analyzed in Polish and Bosnian patients with CD (n = 85 and n = 30, respectively) and controls (n = 82 and n = 30, respectively) using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) for 3435C>T and allele-specific PCR for 2677G>A/T SNP...
November 20, 2017: Bosnian Journal of Basic Medical Sciences
Inna Krynytska, Mariya Marushchak, Anna Mikolenko, Anzhela Bob, Iryna Smachylo, Ludmyla Radetska, Olga Sopel
Hepatopulmonary syndrome (HPS) is a severe complication of advanced liver disease associated with an extremely poor prognosis. HPS is diagnosed in 4-47% of patients with cirrhosis and in 15-20% of candidates for liver transplantation. In addition, severe hypoxia is associated with a high risk of complications of liver transplantation (a 30% chance during the first 90 days) and increases the gap between transplantation and improving arterial oxygenation. The pathogenesis of HPS is not fully understood, and no effective pharmacological treatment has been developed yet...
November 20, 2017: Bosnian Journal of Basic Medical Sciences
Ulviye Yalçınkaya, Nesrin Uğraş, Gonca Özgün, Gökhan Ocakoğlu, Adem Deligönül, Sibel Kahraman Çetintaş, Muhammed Sadık Bilgen
Synovial sarcoma (SS) is a type of soft-tissue sarcoma, often linked to poor survival. Although overexpression of enhancer of zeste homologue 2 (EZH2) has been associated with poor prognosis in different tumors, a few studies investigated this link in SS. Here, we analyzed the relationship between EZH2 expression and prognostic factors in SS. We included 29 patients with SS. Immunostaining of EZH2 was performed with (D2C9) XPTM Rabbit mAb antibody, and the results were classified as low EZH2 expression (negative or weak expression) and high EZH2 expression category (moderate or strong expression)...
November 20, 2017: Bosnian Journal of Basic Medical Sciences
Sahar Balagholi, Shaban Alizadeh, Abouzar Bagheri, Yashar Amizadeh, Mozhgan Rezaei Kanavi
The positive role of platelet gel (PG) in tissue regeneration is well known, however, other characteristics of PG still remain to be determined. We investigated cellular and molecular changes in cultured human retinal pigment epithelial (hRPE) cells when treated with different concentrations of PG named PG1, PG2, and PG3. hRPE cells were isolated from donor eyes of two newborn children, within 24 hours after their death. The cells were treated with three concentrations of PG for 7 days: 3 × 104/ml (PG1), 6 × 104/ml (PG2), and 9 × 104/ml (PG3)...
November 20, 2017: Bosnian Journal of Basic Medical Sciences
Duško Kozić, Mladen Bjelan, Jasmina Boban, Jelena Ostojić, Vesna Turkulov, Aleksandar Todorović, Slobodanka Lemajić-Komazec, Snežana Brkić
Progressive multifocal leukoencephalopathy (PML) is a rare, often fatal, opportunistic infection, associated with demyelinating process. PML is caused by John Cunningham (JC) polyomavirus, and predominantly affects patients with human immunodeficiency virus (HIV) infection or other immunocompromised patients. The purpose of this study was to determine the role of magnetic resonance spectroscopy (MRS) in establishing the diagnosis of PML. MRS with long and short echo time was performed in two patients with PML associated with HIV infection and in one PML patient associated with chronic lymphocytic leukemia...
November 20, 2017: Bosnian Journal of Basic Medical Sciences
Yuan Teng, Ziyi Wang, Wen Li, Jianxing Yu, Zhen Shan, Chun Liang, Shenming Wang
Neointima formation, which occurs after vascular injury due to vascular disease or interventions such as angioplasty and stent placement, is a complex process that involves multiple molecular and cellular mechanisms. The inhibition of neointima formation is vital to prevent restenosis of blood vessels. In the present study, we investigated whether the systemic administration of mitoxantrone can inhibit neointima formation, and evaluated the underlying mechanisms under in vitro and in vivo experimental conditions...
November 20, 2017: Bosnian Journal of Basic Medical Sciences
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