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Bosnian Journal of Basic Medical Sciences

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https://www.readbyqxmd.com/read/28704174/evaluation-of-pulmonary-artery-pressure-in-patients-with-juvenile-systemic-lupus-erythematosus-sle
#1
Amra Adrovic, Reyhan Dedeoglu, Sezgin Sahin, Kenan Barut, Aida Koka, Dicle Cengiz, Funda Oztunc, Ozgur Kasapcopur
Juvenile systemic lupus erythematosus (jSLE) is a chronic multisystemic autoimmune disease. Previous studies among adults have shown impaired right ventricular (RV) function in patients with SLE. Also, these patients may develop pulmonary artery hypertension (PAH), which is one of the most threatening complications of SLE. Nevertheless, studies on PAH among jSLE patients are still rare. The aim of this study was to assess the RV function in jSLE patients by Doppler echocardiography (Echo Doppler). We also estimated pulmonary artery systolic pressure (PASP) and mean pulmonary artery pressure (MPAP) in these patients...
July 13, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28686850/the-effect-of-metformin-treatment-on-endoplasmic-reticulum-er-stress-induced-by-status-epilepticus-se-via-the-perk-eif2%C3%AE-chop-pathway
#2
Jing Chen, Guo Zheng, Hu Guo, Zhong-Nan Shi, Jiao Jiang, Xiao-Yu Wang, Xiao Yang, Xian-Yu Liu
Status epilepticus (SE) is defined as continuous seizure activity lasting more than 5 minutes. It results in neuronal cell death, mediated by endoplasmic reticulum (ER) stress response. Previously, metformin demonstrated neuroprotective effects in primary cortical neurons. In this study, we analyzed the effect of metformin on ER stress via the pro-apoptotic protein kinase RNA-like endoplasmic reticulum kinase (PERK) - eukaryotic initiation factor 2α (eIF2α) - C/EBP homologous protein (CHOP) pathway. SE was induced in rats by pentylenetetrazole...
July 7, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28686849/lack-of-association-between-urotensin-ii-uts2-gene-polymorphisms-thr21met-and-ser89asn-and-migraine
#3
Betül Ozan, Seniz Demiryürek, Muhammad Safdar, Yusuf Inanc, Abdullah Tuncay Demiryürek
Migraine is a common neurovascular brain disorder with heterogeneous clinical presentation, including recurrent headache attacks. The pathophysiology of migraine is complex, and a number of genomic regions have been associated with the development of migraine. In this study, we analyzed the allele and genotype frequencies of the urotensin-II gene (UTS2) polymorphisms, Thr21Met and Ser89Asn, among Turkish patients with migraine. A total of 146 patients with migraine (14 with aura [MA group] and 132 without aura [MO group]) were genotyped for Thr21Met and Ser89Asn polymorphisms and compared with 154 age- and sex-matched healthy controls...
July 7, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28632489/the-effects-of-platelet-gel-on-cultured-human-retinal-pigment-epithelial-cells
#4
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)...
June 20, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28628756/atypical-sympathomimetic-drug-lerimazoline-mediates-contractile-effects-in-rat-aorta-predominantly-by-5-ht2a-receptors
#5
Eldina Rizvić, Goran Janković, Slađana Kostić-Rajačić, Miroslav M Savić
Lerimazoline is a sympathomimetic drug that belongs to the imidazoline class of compounds, and is used as a nasal decongestant. Studies on lerimazoline are rare, and its pharmacological profile is not completely understood. Here, we analyzed the affinity of lerimazoline for dopamine receptor D2, serotonin 5-HT1A and 5-HT2A receptors and α1-adrenoceptor, and investigated lerimazoline contractile effects in isolated rat thoracic aorta. We also determined the effect of several antagonists on the contractile response to lerimazoline, including prazosin (α1-adrenoceptor antagonist), RX 821002 and rauwolscine (α2-adrenoceptor antagonists), JP 1302 (α2C-adrenoceptor antagonist), methiothepin (non-selective 5-HT receptor antagonist), SB 224289 (5-HT1B receptor antagonist), BRL 15572 (5-HT1D receptor antagonist), and ketanserin (5-HT2A receptor antagonist)...
June 19, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28623673/a-prominent-lactate-peak-as-a-potential-key-magnetic-resonance-spectroscopy-mrs-feature-of-progressive-multifocal-leukoencephalopathy-pml-spectrum-pattern-observed-in-three-patients
#6
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 involves patients with human immunodeficiency virus (HIV) disease or other immunocompromised conditions. The purpose of this report 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...
June 17, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28623672/craniosynostosis-recognition-clinical-characteristics-and-treatment
#7
REVIEW
Nina Kajdic, Peter Spazzapan, Tomaz Velnar
Craniosynostosis is a developmental craniofacial anomaly, resulting in impairment of brain development and abnormally shaped skull. The main cause of craniosynostosis is premature closure of one or more cranial sutures. It usually occurs as an isolated condition, but may also be associated with other malformations as part of complex syndromes. When left untreated, craniosynostosis can cause serious complications, such as developmental delay, facial abnormality, sensory, respiratory and neurological dysfunction, anomalies affecting the eye, and psychological disturbances...
June 17, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28590231/evaluation-of-phenolic-profile-and-antibacterial-bioactivities-of-nigella-sativa-l-seed-extracts
#8
Anela Topcagic, Sanja Cavar Zeljkovic, Erna Karalija, Semira Galijasevic, Emin Sofic
Black cumin (Nigella sativa L. [N. sativa]) seed extracts demonstrated numerous beneficial biological effects including, among others, antidiabetic, anticancer, immunomodulatory, antimicrobial, anti-inflammatory, antihypertensive, and antioxidant activity. To better understand the phytochemical composition of N. sativa seeds, methanol seed extracts were analyzed for phenolic acid and flavonoid content. Furthermore, we tested N. sativa methanol, n-hexane, and aqueous seed extracts for their inhibitory activity against anti-butyrylcholinesterase (BChE) and catalase (CAT) as well as for antimicrobial activity against several bacteria...
June 7, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28590232/anesthesia-for-patients-with-mucopolysaccharidoses-comprehensive-review-of-the-literature-with-emphasis-on-airway-management
#9
REVIEW
Brittney M Clark, Juraj Sprung, Toby N Weingarten, Mary E Warner
Mucopolysaccharidoses (MPS) are rare, inherited, lysosomal storage diseases that cause accumulation of glycosaminoglycans, resulting in anatomic abnormalities and organ dysfunction that can increase the risk of anesthesia complications. We conducted a systematic review of the literature in order to describe the anesthetic management and perioperative outcomes in patients with MPS. We reviewed English-language literature search using an OVID-based search strategy of the following databases: 1) PubMed (1946-present), 2) Medline (1946-present), 3) EMBASE (1946-present), and 4) Web of Science (1946-present) using the following search terms: mucopolysaccharidosis, Hurler, Scheie, Sanfilippo, Morquio, Maroteaux, anesthesia, perioperative, intubation, respiratory insufficiency, and airway...
June 6, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28590233/mitoxantrone-suppresses-vascular-smooth-muscle-cell-proliferation-and-balloon-injury-induced-neointima-formation-an-in-vitro-and-in-vivo-study
#10
Yuan Teng, Chun Liang, Ziyi Wang, Wen Li, Jianxing Yu, Zhen Shan, 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...
June 4, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28504924/mrna-expression-of-nuclear-factor-of-activated-t-cells-cytoplasmic-2-nfatc2-and-peroxisome-proliferator-activated-receptor-gamma-pparg-transcription-factors-in-colorectal-carcinoma
#11
Venus Zafari, Shahryar Hashemzadeh, Mohammadali Hosseinpour Feizi, Nasser Pouladi, Leila Rostami Zadeh, Ebrahim Sakhinia
Transcription factors are involved in cell cycle and apoptosis regulation and thus have a key role in the carcinogenesis of different tumors. Nuclear factor of activated T-cells, cytoplasmic 2 (NFATc2) and peroxisome proliferator-activated receptor gamma (PPARG) transcription factors are important in the carcinogenesis of colorectal cancer (CRC). In this study, we examined whether the expression of NFATc2 and PPARG genes is significantly altered during the carcinogenesis of CRC. A total of 47 tumor samples and matched normal tissue margins were collected during surgery from patients with CRC...
May 15, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28488549/prevalence-of-1691g-a-f5-20210g-a-f2-and-677c-t-mthfr-polymorphisms-in-bosnian-women-with-pregnancy-loss
#12
Emir Mahmutbegovic, Damir Marjanovic, Edin Medjedovic, Nevena Mahmutbegovic, Serkan Dogan, Amina Valjevac, Ewa Czerska, Anna Pawińska-Matecka, Agnieszka Madlani, Grazyna Adler
The relationship between genetic risk factors of thrombophilia and pregnancy loss (PL) is being discussed. The focus has been on F5 1691G>A, F2 20210G>A, and MTHFR 677C>T polymorphisms that may predispose women to microthrombosis during the stages of embryo implantation and placentation. Although, the frequencies of these polymorphisms were reported in different populations, such studies have not yet been performed in Bosnian population. In this study, we determined the prevalence of F5 G>A (rs1801133), F2 G>A (rs1800595) and MTHFR C>T (rs1801020) polymorphisms in Bosnian women...
May 10, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28488548/angiotensinogen-agt-gene-missense-polymorphisms-rs699-and-rs4762-and-diabetic-nephropathy-in-caucasians-with-type-2-diabetes-mellitus
#13
Jana Makuc, Maja Šeruga, Matej Završnik, Ines Cilenšek, Daniel Petrovič
Gene polymorphisms associated with the renin-angiotensin-aldosterone system (RAAS) have been extensively studied in diabetic nephropathy (DN) patients, due to therapeutic potential of targeting the RAAS and slowing down the disease progression. The aim of our study was to examine the association between angiotensinogen (AGT) gene polymorphisms (rs699 and rs4762) and DN in Caucasians with type 2 diabetes mellitus (T2DM). A total of 651 unrelated Slovenian (Caucasian) T2DM patients were tested for AGT rs699 and rs4762 polymorphisms using a novel fluorescence-based competitive allele-specific polymerase chain reaction (KASPar) assay...
May 10, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28488550/tumor-suppressive-function-of-microrna-192-in-acute-lymphoblastic-leukemia
#14
Mahtab Sayadi, Soheila Ajdary, Fatemeh Nadali, Shahrbano Rostami, Mahdi Edalati Fahtabad
Non-coding RNAs play a critical role in gene regulation in cancer cells. Reduced expression of microRNA-192 (miR-192) has been detected in many cancers. In this study, we investigated the role of miR-192 in cell proliferation and cell cycle control in NALM-6 cell line, a model of acute lymphoblastic leukemia (ALL). Cell cycle analysis by DNA content using propidium iodide staining and cell apoptosis analysis using Annexin V assay were carried out. Cell proliferation changes were monitored using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay...
May 9, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28485250/localization-of-trefoil-factor-family-peptide-3-in-epithelial-tissues-originating-from-the-three-germ-layers-of-developing-mouse-embryo
#15
Nikola Bijelić, Tatjana Belovari, Maja Tolušić Levak, Mirela Baus Lončar
Trefoil factor family (TFF) peptides are involved in the maintenance of epithelial integrity and epithelial restitution. Mature epithelial tissues originate from different embryonic germ layers. The objective of this research was to explore the presence and localization of TFF3 peptide in mouse embryonic epithelium and to examine if the occurrence of TFF3 is germ layer-dependent. Mouse embryos (14-18 days old) were fixed in 4% paraformaldehyde and embedded in paraffin. Immunohistochemistry was performed with affinity purified rabbit anti-TFF3 antibody, goat anti-rabbit biotinylated secondary antibody and streptavidin-horseradish peroxidase, followed by 3,3'-diaminobenzidine...
May 9, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28485251/salvia-miltiorrhiza-extract-dihydrotanshinone-induces-apoptosis-and-inhibits-proliferation-of-glioma-cells
#16
Yong Cao, Bin Huang, Changqing Gao
Dihydrotanshinone, a functional food in China, is an effective anti-cardiovascular disease substance isolated from Salvia miltiorrhiza (S. miltiorrhiza). Glioma is considered to be fatal due to its poor prognosis and few effective therapeutic options. In this study, we investigated the anticancer effects of S. miltiorrhiza extract dihydrotanshinone on human glioma SHG-44 cells, by using 3-(4, 5-dimethyl-2-thiazolyl)-2, 5-diphenyl-2H-tetrazolium bromide assay, Hoechst 33258 nuclear staining, Annexin V/propidium iodide double staining, as well as western blot analysis...
May 8, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28453434/follicular-morphological-characteristics-may-be-associated-with-invasion-in-follicular-thyroid-neoplasms-with-papillary-like-nuclear-features
#17
Nuray Can, Mehmet Celik, Yavuz Atakan Sezer, Filiz Ozyilmaz, Semra Ayturk, Ebru Tastekin, Necdet Sut, Hakan Gurkan, Funda Ustun, Buket Yilmaz Bulbul, Sibel Guldiken, Fulya Oz Puyan
The newly proposed nomenclature and diagnostic criteria for encapsulated follicular variant of papillary thyroid carcinoma (EFVPTC), the noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP), could improve the consistency and accuracy of diagnosing this entity. Diagnosis of NIFTP requires evaluation of the complete tumor border or capsule. The presence of tumor invasion in follicular thyroid neoplasms with papillary-like nuclear features has been recently discussed by many authors...
April 28, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28446125/soluble-transferrin-receptor-as-a-marker-of-erythropoiesis-in-patients-undergoing-high-flux-hemodialysis
#18
Pei Yin, Jijun Li, Yan Song
Anemia is a common complication in chronic kidney disease (CKD) patients receiving hemodialysis. The effect of high-flux dialysis (HFD) on anemia remains unclear. This prospective study aimed to evaluate the effect of HFD on anemia, and the potential of soluble transferrin receptor (sTfR) as a marker of iron status and erythropoiesis in CKD patients on hemodialysis. Forty patients, who switched from conventional low-flux dialysis to HFD for 12 months, were enrolled in this study. The levels of sTfR, hemoglobin, iron, and nutritional markers, as well as the dose of recombinant human erythropoietin (rhEPO) and use of chalybeate were determined at 0, 2, 6, and 12 months after starting HFD...
April 27, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28446126/cd44-silencing-decreases-the-expression-of-stem-cell-related-factors-induced-by-transforming-growth-factor-%C3%AE-1-and-tumor-necrosis-factor-%C3%AE-in-lung-cancer-preliminary-findings
#19
Fariz Nurwidya, Fumiyuki Takahashi, Motoyasu Kato, Hario Baskoro, Moulid Hidayat, Aditya Wirawan, Kazuhisa Takahashi
The mechanism underlying increased concentrations of cancer stem cells (CSCs)-associated factors in non-small cell lung cancer (NSCLC) cells treated with transforming growth factor β1 (TGFβ1) and tumor necrosis factor α (TNFα), is still not clear. The purpose of this study was to investigate the possible role of CD44 in the regulation of CSC-associated genes, by analyzing the effect of CD44 knockdown on the expression of CSC-associated genes. A549, a NSCLC cell line that expresses CD44 antigen, was treated with TGFβ1 and TNFα...
April 24, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28432860/high-ki-67-expression-is-associated-with-prolactin-secreting-pituitary-adenomas
#20
Bogdan Bălinişteanu, Anca Maria Cîmpean, Amalia Raluca Ceauşu, Ana Silvia Corlan, Eugen Melnic, Marius Raica
Pituitary adenomas represent the third most common primary intracranial tumor in neurosurgical practice. To understand the biological behaviour of the pituitary adenomas previous studies have determined the tumor proliferation rate using monoclonal antibodies targeted against the Ki-67 antigen. The aim of this study was to correlate the Ki-67 index with hormonal profiles of pituitary adenomas. The study included 50 pituitary adenomas. For histopathologic evaluation, the sections were stained with routine hematoxylin and eosin method...
May 20, 2017: Bosnian Journal of Basic Medical Sciences
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