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Biomedical Reports

Zongye Wang, Ying Wang, Bingxin Xu, Junli Liu, Ye Ren, Zhuojie Dai, Di Cui, Xiaoming Su, Shaoyan Si, Shu Jun Song
Vitamin D is an essential fat-soluble vitamin with multiple functions. Vitamin D receptor has been shown to be expressed in several types of immune cells suggesting vitamin D may have immune regulatory roles. Vitamin D insufficiency has been suggested to increase the risk of autoimmune diseases. However, little is known regarding its immunomodulatory effects in the condition of immune suppression. The aim of the present study was to investigate the regulatory effects of vitamin D on immune function in immunosuppressant mice...
January 2017: Biomedical Reports
Ji-Zheng Song, Ling-Jun Li, Li Ji, Li Shun, Yan Rui
The aim of the study was to examine the effect of complex prescription on the pharmacokinetics of baicalin, rhynochophylline and gastrodin in Tiangou antihypertensive capsule. After administration, rat plasma was collected at different time-points. High-performance liquid chromatography was used to determine the content of baicalin, rhynochophylline and gastrodin in plasma. Two peaks occurred in the baicalin concentration-time curve. No significant difference was found for the peak concentration time (tmax) and area under concentration-time curve (AUC) of baicalin between the complex prescription and baicalin groups...
January 2017: Biomedical Reports
Mehrnaz Narooie-Nejad, Omid Taji, Dor Mohammad Kordi Tamandani, Mahmoud Ali Kaykhaei
Hashimoto's thyroiditis (HT) is a chronic inflammation of the thyroid gland and is known as the most common autoimmune disease. Development of autoimmune destruction of thyroid cells is a multi-step process involving convergence of genetic and environmental factors. Cytotoxic T-lymphocyte antigen-4 (CTLA-4) has an important role in homeostasis and negative regulation of immune responses, and is therefore considered to be a key element in the development of autoimmune diseases. The present study evaluated the association of the CTLA-4 gene polymorphisms 318C/T (rs5742909) and +49A/G (rs231775) with HT in an Iranian population (including 82 patients with HT and 104 healthy controls who were referred for routine premarital blood screenings)...
January 2017: Biomedical Reports
Yoichiro Hosokawa, Ryo Saga, Satoru Monzen, Shingo Terashima, Eichi Tsuruga
The present study hypothesized that the therapeutic use of ascorbic acid (AsA) in combination with radiation may reduce therapy-related side effects and increase the antitumor effects. The aim of the study was to examine the association between the scavenged activity of AsA and the biological anticancer effect of hydroxyl (OH) radicals generated by X-ray irradiation. Cell survival, DNA fragmentation of human leukemia HL60 cells and the amount of OH radicals were investigated following X-ray irradiation and AsA treatment...
January 2017: Biomedical Reports
Toru Ishikawa, Michitaka Imai, Masayoshi Ko, Hiroki Sato, Yujiro Nozawa, Tomoe Sano, Akito Iwanaga, Keiichi Seki, Terasu Honma, Toshiaki Yoshida
Percutaneous transhepatic obliteration (PTO) and percutaneous transhepatic sclerotherapy (PTS) are widely performed as an emergency measure in cases of variceal hemorrhage and intractable hepatic encephalopathy. The PTO/PTS technique is capable of directly blocking the blood supply in cases in which balloon-occluded retrograde transvenous obliteration (B-RTO) is not effective, or in cases with complicated collateral flow. Although PTO/PTS is not currently the first choice due to the invasiveness of transhepatic puncture, this procedure can modify the blood flow in an antegrade manner...
January 2017: Biomedical Reports
Reyhaneh Sefidabi, Pejman Mortazavi, Saeed Hosseini
Canine mammary gland tumors are the most frequent cause of cancer in female dogs. Numerous studies using cancer cell lines and clinical trials have indicated that various natural products and antioxidants reduce or possibly prevent the development of cancer. Berberine (BBR), the most important alkaloid in the Berberidaceae, which exerts a wide range of pharmacological and biochemical effects, has drawn much attention due to its particularly high antitumor activity in vitro and in animal studies. The aim of the present study was to investigate the antiproliferative effect of BBR against a canine mammary gland carcinoma cell line (CF41...
January 2017: Biomedical Reports
Matthieu Sarabi, Aurélie Perraud, Clément Mazouffre, Michelle Nouaille, Marie-Odile Jauberteau, Muriel Mathonnet
Previous studies have reported the association between brain-derived neurotrophic factor (BDNF) and tumor development in numerous cancers. However, the accurate implication of the two specific ligands of tropomyosin kinase B receptor, BDNF and neurotrophic factor 4 (NT4/5), has not been studied in colorectal cancer (CRC) patients. The present study investigated the significance of serum BDNF and the NT4/5 in association with the intake of psychoactive drugs in CRC patients. Soluble BDNF and NT4 in the serum were assessed by ELISA...
January 2017: Biomedical Reports
Masoumeh Afzali, Mohammad Hashemi, Seyed Payman Tabatabaei, Kourosh Tirgar Fakheri, Alireza Nakhaee
The aim of the present study was to investigate the association between a genetic variation, A+644G, in the Niemann-Pick type C1 (NPC1) gene and the risk of cardiovascular disease (CVD) in a Southeast Iranian population. A total of 320 individuals, including 200 patients with CVD and 120 healthy individuals, were involved in the present study. The polymorphism was determined using a polymerase chain reaction-restriction fragment length polymorphism method. The results indicated that the frequency of the GG genotype was markedly lower in patients with CVD compared with the control group (7 vs...
January 2017: Biomedical Reports
Spyridon Klinis, Athanasios Symeonidis, Dimitrios Karanasios, Emmanouil K Symvoulakis
High creatine kinase (CK) levels can be associated with many disorders, including neuromuscular, cardiac, metabolic, endocrine and traumatic. Idiopathic hyperCKemia is a diagnostic dilemma for physicians even though its long-term prognosis is usually benign. We report a case of a Caucasian 61-year-old woman who presented as completely asymptomatic to her general practitioner with a serum CK (sCK) level at 6,122 IU/l. A complete diagnostic evaluation, including physical and laboratory examinations, electromyogram and muscle biopsy were negative for any neuromuscular or other disorder...
January 2017: Biomedical Reports
Mona Deichelbohrer, Ming-Feng Wu, Berthold Seitz, Stefan Wagenpfeil, Carola Meier, Markus Bischoff, Thomas Tschernig
The successful treatment of severe bacterial keratitis continues to be a challenge in animals and humans. In the present study the aim was to assess gaseous therapy using gaseous nitric oxide (gNO) in a murine model of Pseudomonas aeruginosa keratitis. The cornea of anesthetized mice was mechanically scratched and covered with a bacterial suspension of P. aeruginosa. One day later, the infected eyes were exposed to 200 ppm NO for 30 min. Three to seven days later the mice were sacrificed and the bulbi were obtained and processed for light microscopy...
January 2017: Biomedical Reports
Ying Wang, Xiuru Qi, Chunliang Wang, Danning Zhao, Hongjie Wang, Jianxin Zhang
The current study aimed to examine the effects of propofol on myocardial ischemia-reperfusion injury (MIRI) in rats with type-2 diabetes mellitus (T2DM) and to assess the role of inflammatory mediators. Fifty healthy male adult Sprague-Dawley rats were randomly divided into the sham, ischemia-reperfusion (IR), IR plus low, middle and high-dose (6, 12 and 24 mg/kg/h, intravenous) propofol groups. The rats of all the groups were fed a high-sugar and high-fat diet for 8 weeks and streptozotocin (30 mg/kg, intraperitoneally) was used to establish the T2DM model...
January 2017: Biomedical Reports
Mohammad J Alkhatatbeh, Lisa F Lincz, Rick F Thorne
Plasma microparticles (MPs) are heterogeneously sized submicron extracellular vesicles that originate from the cell membrane as a result of cell activation or apoptosis. Circulating MPs express cell-specific molecules that reflect their cell of origin and they are increasingly investigated for their potential role in intercellular communication. The aim of the current study was to determine if size exclusion chromatography could be used to purify fluorescent-labeled MPs in sufficient concentrations to be used experimentally in cell binding assays...
January 2017: Biomedical Reports
Xiaoyang Yang, Mengjie Wan, Ting Liang, Minyuan Peng, Fangping Chen
Platelet-derived polyphosphate has previously been indicated to induce coagulation. However, industrially synthesized polyphosphate has been found to have different effects from those of the platelet-derived form. The present study investigated whether synthetic sodium polyphosphate inhibits coagulation using routine coagulation tests and thromboelastography. Synthetic polyphosphate was found to inhibit adenosine diphosphate-, epinephrine-, arachidonic acid-, ristocetin-, thrombin-, oxytocin- and pituitrin-induced platelet aggregation...
January 2017: Biomedical Reports
Hiroshi Isoda, Hirokazu Takahashi, Yuichiro Eguchi, Motoyasu Kojima, Kanako Inoue, Kenichiro Murayama, Yayoi Matsuda, Keizo Anzai
Liver cirrhosis (LC) is frequently accompanied by glucose intolerance. The present study was designed to determine whether glycated hemoglobin A1c (HbA1c) and glycated albumin (GA) were predictive markers of glycemia, as determined by a continuous glucose monitoring system (CGMS), in patients with LC. A total of 30 patients with LC, including 3, 19, 5, 2 and 1 with LC due to hepatitis B virus, hepatitis C virus, non-alcoholic steatohepatitis, alcohol and unknown causes, respectively, were assessed by CGMS. The average, maximum and minimum blood glucose (BG) levels were measured by CGMS, and correlated with HbA1c and GA...
January 2017: Biomedical Reports
Won Hee Jang, Young Joo Jeong, Sun Hee Choi, Sang-Hwa Urm, Dae-Hyun Seog
Kinesin 1 is a member of the kinesin superfamily proteins (KIFs) of microtubule-dependent molecular motor proteins that transport organelles and protein complexes in cells. Kinesin 1 consists of a homo- or hetero-dimer of kinesin heavy chains (KHCs), often, although not always, associated with two kinesin light chains (KLCs). KLCs are non-motor proteins that associate with many different binding proteins and cargoes, but their binding partners have not yet been fully identified. In the present study, a yeast two-hybrid system was used to identify proteins that interact with the tetratricopeptide repeat (TPR) domain of KLC1...
January 2017: Biomedical Reports
Chunjie Xu, Lei Gu
The microRNA, miR-196b, serves a role in normal cell differentiation, proliferation and tumorigenesis of different types of cancer. The aim of the present study was to explore the serum expression of miR-196b in colorectal cancer (CRC) and its correlation with clinicopathological features. Sera samples were obtained from 103 patients with CRC, 51 patients with colorectal adenoma (Ad) and 100 healthy individuals for the present study. The serum expression of miR-196b in sera samples of the three cohorts was detected using reverse transcription-quantitative polymerase chain reaction...
January 2017: Biomedical Reports
Huanjin Cui, Jiayu He, Hongwu Chen, Jinwen Chen, Xinhua Qian, Weimin Huang
The aim of the present study was to observe the effects of recombinant human erythropoietin (rhEPO) on the expression of epidermal growth factor-like domain 7 (EGFL7) and cell apoptosis in lung tissue following hyperoxic lung injury in newborn rats. The 96 Sprague-Dawley newborn rats were randomly divided into 4 groups (n=24) as follows: Room air-exposed control group, room air-exposed rhEPO-treated group, hyperoxia-exposed group and the hyperoxia-exposed rhEPO-treated group. Pups (n=8) from each group were sacrificed on postnatal days 3, 7 and 14...
January 2017: Biomedical Reports
Raquel Garza-Guajardo, Laura Elvira García-Labastida, Iram Pablo Rodríguez-Sánchez, Gabriela Sofía Gómez-Macías, Iván Delgado-Enciso, María Marisela Sánchez Chaparro, Oralia Barboza-Quintana
Rosai-Dorfman disease also known as sinus histiocytosis with massive lymphadenopathy (SHML) is characterized by distorted lymph node architecture with marked dilation of lymphatic sinuses occupied by numerous lymphocytes, as well as histiocytes with vesicular nucleus and abundant clear cytoplasm with phagocytized lymphocytes or plasma cells, also known as 'emperipolesis'. This disease of unknown etiology progresses with a benign prognosis strictly and only when an early diagnosis and treatment is made. A late diagnosis and a generalized lymph node involvement contribute to a poor prognosis...
January 2017: Biomedical Reports
Lixin Sun, Weilin Xue, Jun Li, Zhaoshan Zhou, Wei Han
Single nucleotide polymorphisms (SNPs) in the interleukin-4 receptor (IL-4R) gene have been identified as having a close association with asthma severity in different populations. In our previous studies, a close association between asthma and a distinctive palm dermatoglyphic pattern was observed; however, the clinical implication and underlying genetic mechanisms of this particular palm pattern have not been clarified. Whether this particular palm pattern is associated with asthma severity and IL-4R SNPs was assessed in the present study...
January 2017: Biomedical Reports
Rai Khalid Farooq, Kashif Asghar, Shahzina Kanwal, Ali Zulqernain
According to the World Health Organization, major depression will become the leading cause of disability worldwide by the year 2030. Despite extensive research into the mechanisms underlying this disease, the rate, prevalence and disease burden has been on the rise, particularly in the industrialized world. Epidemiological studies have shown biological and biochemical differences in disease characteristics and treatment responses in different age groups. Notable differences have been observed in the clinical presentation, co-prevalence with other diseases, interaction with the immune system and even in the outcome...
January 2017: Biomedical Reports
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