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International Journal of Medical Sciences

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https://www.readbyqxmd.com/read/28924376/verteporfin-inhibits-cell-proliferation-and-induces-apoptosis-in-human-leukemia-nb4-cells-without-light-activation
#1
Min Chen, Liang Zhong, Shi-Fei Yao, Yi Zhao, Lu Liu, Lian-Wen Li, Ting Xu, Liu-Gen Gan, Chun-Lan Xiao, Zhi-Ling Shan, Bei-Zhong Liu
Background and Aims: Verteporfin (VP), clinically used in photodynamic therapy for neovascular macular degeneration, has recently been proven a suppressor of yes-associated protein (YAP) and has shown potential in anticancer treatment. However, its anti-human leukemia effects in NB4 cells remain unclear. In this study, we investigated the effects of VP on proliferation and apoptosis in human leukemia NB4 cells. Methods: NB4 cells were treated with VP for 24 h. The effects of VP on cell proliferation were determined using a Cell-Counting Kit-8 assay (CCK-8) assay and colony forming assay...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28924375/lncrna-afap1-as-functions-as-a-competing-endogenous-rna-to-regulate-rap1b-expression-by-sponging-mir-181a-in-the-hscr
#2
Guanglin Chen, Lei Peng, Zhongxian Zhu, Chunxia Du, Ziyang Shen, Rujin Zang, Yang Su, Yankai Xia, Weibing Tang
Background: Long noncoding RNAs (lncRNAs) have recently emerged as important regulators in a broad spectrum of cellular processes including development and disease. Despite the known engagement of the AFAP1-AS in several human diseases, its biological function in Hirschsprung disease (HSCR) remains elusive. Methods: We used qRT-PCR to detect the relative expression of AFAP1-AS in 64 HSCR bowel tissues and matched normal intestinal tissues. The effects of AFAP1-AS on cell proliferation, migration, cell cycle, apoptosis and cytoskeletal organization were evaluated using CCK-8, transwell assay, flow cytometer analysis and immunofluorescence, in 293T and SH-SY5Y cell lines, respectively...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28924374/no-association-of-proton-pump-inhibitor-use-with-fasting-or-postload-glycaemia-in-patients-with-cardiovascular-disease-a-cross-sectional-retrospective-study
#3
Olga Kruszelnicka, Marcin Kuźma, Iwona Z Pena, Ian B Perera, Bernadeta Chyrchel, Ewa Wieczorek-Surdacka, Andrzej Surdacki
Background: Proton pump inhibitor (PPI) use was reportedly associated with an excess of adverse cardiovascular (CV) events, thus making their systemic effects relevant to public health. PPIs reduce gastric acid secretion, causing increased gastrin release. Gastrin stimulates β-cell neogenesis and enhances insulin release, exerting an incretin-like effect. Our aim was to assess, if PPI usage is associated with altered glycaemia in patients with CV disease. Methods: We retrospectively analyzed medical records of 102 subjects (80 with ischemic heart disease) who underwent a routine oral glucose tolerance test while hospitalized in a cardiology department...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28924373/association-of-maternal-serum-25-hydroxyvitamin-d-concentrations-in-second-trimester-with-delivery-mode-in-a-chinese-population
#4
Yingdi Yuan, Heng Liu, Chenbo Ji, Xirong Guo, Lingmin Hu, Juan Wen, Manhong Cai
Objective: To determine the maternal serum 25-hydroxyvitamin D [25(OH)D] concentrations in a Chinese population and investigate its associations with subsequent delivery mode by studying 1924 unrelated pregnant women. Methods: The serum 25(OH)D concentrations was measured by euzymelinked immunosorbent assay (ELISA). Simultaneously, maternal information and subsequent delivery mode were collected. Logistic regression analysis was performed to assess the associations between 25(OH)D concentrations and caesarean section...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28924372/il-36%C3%AE-inhibits-differentiation-and-induces-inflammation-of-keratinocyte-via-wnt-signaling-pathway-in-psoriasis
#5
Wenming Wang, Xiaoling Yu, Chao Wu, Hongzhong Jin
Psoriasis is a common inflammatory skin disease characterized by abnormal keratinocyte inflammation and differentiation that has a major impact on patients' quality of life. IL-36γ, a member of IL-36 cytokine family, is highly expressed in psoriasis and plays an important role in inflammation response and differentiation. However, the function of IL-36γ in differentiation and inflammation of keratinocyte in psoriasis has not been clearly identified. Thus, this study aimed to investigate the role of IL-36γ on differentiation and inflammation in HaCaT cells...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28924371/comparison-of-the-analgesic-properties-of-sevoflurane-and-desflurane-using-surgical-pleth-index-at-equi-minimum-alveolar-concentration
#6
Kyoungho Ryu, Keulame Song, Jia Kim, Eugene Kim, Seong-Hyop Kim
Background: Traditionally, minimum alveolar concentration (MAC) has been used as the standard measure to compare the potencies of volatile anesthetics. However, it reflects the spinal mechanism of immobility rather than the subcortical mechanism of analgesia. Recently, the surgical pleth index (SPI) derived from photoplethysmographic waveform was shown to reflect the intraoperative analgesic component. This study was designed to compare the SPI values produced by equi-MAC of two commonly used volatile anesthetics, sevoflurane and desflurane...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28924370/kaempferol-inhibits-the-invasion-and-migration-of-renal-cancer-cells-through-the-downregulation-of-akt-and-fak-pathways
#7
Tung-Wei Hung, Pei-Ni Chen, Hsu-Chen Wu, Sheng-Wen Wu, Pao-Yu Tsai, Yih-Shou Hsieh, Horng-Rong Chang
Kaempferol, which is isolated from several natural plants, is a polyphenol belonging to the subgroup of flavonoids. Kaempferol exhibits various pharmacological activities, including anti-inflammatory, antioxidant, antimicrobial, and anticancer activities. In this study, kaempferol can significantly inhibit the invasion and migration of 786-O renal cell carcinoma (RCC) without cytotoxicity. We examined the potential mechanisms underlying its anti-invasive activities on 786-O RCC cells. Western blot was performed, and the results showed that kaempferol attenuates the manifestation of metalloproteinase-2 (MMP-2) protein and activity...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28924369/il-12-influence-mtor-to-modulate-cd8-t-cells-differentiation-through-t-bet-and-eomesodermin-in-response-to-invasive-pulmonary-aspergillosis
#8
Hao Wang, Jingdong Li, Qiyang Han, Fei Yang, Yu Xiao, Meng Xiao, Yingchun Xu, Longxiang Su, Na Cui, Dawei Liu
Objective: To investigate whether mTOR signaling pathway regulate the proliferation and differentiation of CD8(+) T cells by transcription factors T-bet and Eomes, and explore the role of IL-12 in this biological procedure. Methods: Aspergillus fumigatus spore suspension nasal inhalation was used to establish the invasive pulmonary aspergillosis (IPA) mouse model. After inoculation, rapamycin (2mg/kg) each day or IL-12 (5ug/kg) every other day was given for 7 days. The blood samples were obtained before the mice sacrificed and lung specimens were taken...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28924368/the-effects-of-perioperative-anesthesia-and-analgesia-on-immune-function-in-patients-undergoing-breast-cancer-resection-a-prospective-randomized-study
#9
Jin Sun Cho, Mi-Hyang Lee, Seung Il Kim, Seho Park, Hyung Seok Park, Ein Oh, Jong Ho Lee, Bon-Nyeo Koo
Introduction: Perioperative anesthesia and analgesia exacerbate immunosuppression in immunocompromised cancer patients. The natural killer (NK) cell is a critical part of anti-tumor immunity. We compared the effects of two different anesthesia and analgesia methods on the NK cell cytotoxicity (NKCC) in patients undergoing breast cancer surgery. Methods: Fifty patients undergoing breast cancer resection were randomly assigned to receive propofol-remifentanil anesthesia with postoperative ketorolac analgesia (Propofol-ketorolac groups) or sevoflurane-remifentanil anesthesia with postoperative fentanyl analgesia (Sevoflurane-fentanyl group)...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28924367/genotoxicity-of-a-low-dose-nitrosamine-mixture-as-drinking-water-disinfection-byproducts-in-nih3t3-cells
#10
Hai-Yan Wang, Ming Qin, Lei Dong, Jia-Ying Lv, Xia Wang
N-nitrosamines (NAms), which can arise as byproducts of disinfection agents, are reportedly found in drinking water, and their potential carcinogenicity is a concern; however, little research exists regarding the genotoxicity or carcinogenicity of NAms exposure as a low-dose mixture. The three most common NAms components in China's drinking water are N-nitrosodimethylamine (NDMA), N-nitrosodiethylamine (NDEA) and N-nitrosomethylethylamine (NMEA). Thus, we measured the genotoxic and carcinogenic potential of these compounds and measured the cell cycle and gene expression...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28924366/effects-of-dexmedetomidine-in-combination-with-fentanyl-based-intravenous-patient-controlled-analgesia-on-pain-attenuation-after-open-gastrectomy-in-comparison-with-conventional-thoracic-epidural-and-fentanyl-based-intravenous-patient-controlled-analgesia
#11
Na Young Kim, Tae Dong Kwon, Sun Joon Bai, Sung Hoon Noh, Jung Hwa Hong, Haeyeon Lee, Ki-Young Lee
Background: This study was investigated the effects of dexmedetomidine in combination with fentanyl-based intravenous patient-controlled analgesia (IV-PCA) on pain attenuation in patients undergoing open gastrectomy in comparison with conventional thoracic epidural patient-controlled analgesia (E-PCA) and IV-PCA. Methods: One hundred seventy-one patients who planned open gastrectomy were randomly distributed into one of the 3 groups: conventional thoracic E-PCA (E-PCA group, n = 57), dexmedetomidine in combination with fentanyl-based IV-PCA (dIV-PCA group, n = 57), or fentanyl-based IV-PCA only (IV-PCA group, n = 57)...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28924365/effects-of-hypobaric-hypoxia-on-rat-retina-and-protective-response-of-resveratrol-to-the-stress
#12
Xiaorong Xin, Hong Dang, Xiaojing Zhao, Haohao Wang
High-altitude retinopathy represents retinal functional changes associated with environmental challenges imposed by hypobaric hypoxia, but the detailed cellular and molecular mechanism underlying this process remains unclear. Our current investigation was to explore the effect of hypobaric hypoxia on the rat retina and determine whether resveratrol has a protective efficacy on the hypoxic damage to the retina. Experiment rats were randomly grouped as the control group, hypoxia group and resveratrol intervention group...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28924364/mir-224-controls-human-colorectal-cancer-cell-line-hct116-proliferation-by-targeting-smad4
#13
Jinzhe Zhou, Muren Hu, Fei Wang, Meiyi Song, Qi Huang, Bujun Ge
Background: Better understanding the molecular mechanisms responsible for the genesis and progression of colorectal cancer would help advance the novel therapeutics. miR-224 has been identified to be elevated in colorectal cancer and promote human colorectal cancer cell line SW480 proliferation and invasion. However, the effect of miRNAs on cancer cell proliferation could be significantly changeable among different cell lines. HCT116 is a commonly used cell line for colorectal cancer study and the target gene responsible for the function of miR-224 in its proliferation is unclear...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28924363/thrombospondin-1-gene-deficiency-worsens-the-neurological-outcomes-of-traumatic-brain-injury-in-mice
#14
Chongjie Cheng, Zhanyang Yu, Song Zhao, Zhengbu Liao, Changhong Xing, Yinghua Jiang, Yong-Guang Yang, Michael J Whalen, Eng H Lo, Xiaochuan Sun, Xiaoying Wang
Background: Thrombospondin-1 (TSP-1) is an extracellular matrix protein that plays multiple physiological and pathophysiological roles in the brain. Experimental reports suggest that TSP-1 may have an adverse role in neuronal function recovery under certain injury conditions. However, the roles of TSP-1 in traumatic brain injury (TBI) have not been elucidated. In this study we for the first time investigated the roles of TSP-1 in a controlled cortical impact (CCI) model of TBI in TSP-1 knockout (TSP-1 KO) and wild type (WT) mice...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28924362/identification-and-characteristics-of-time-related-shifts-in-suicide-related-event-frequency-during-smoking-cessation-treatment-with-varenicline
#15
Hayato Akimoto, Haruna Wakiyama, Shinji Oshima, Akio Negishi, Kousuke Ohara, Sachihiko Numajiri, Mitsuyoshi Okita, Shigeru Ohshima, Naoko Inoue, Daisuke Kobayashi
Objectives: To survey time-related shifts in number of suicide-related events (SRE) during smoking cessation treatment with varenicline (VAR) in cases from the U.S. Food and Drug Administration (FDA) Adverse Event Reporting System (FAERS), as well as the characteristics of these shifts. Methods: We isolated cases from the FAERS database involving VAR usage where SRE was reported as an adverse event (SRE+/VAR+ case) and established a histogram of SRE+/VAR+ case numbers per week. Furthermore, we focused on "cases reporting specific adverse events prior to drug usage start" using X-bar and R chart concepts...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28824330/gender-dimorphic-effects-of-adipose-derived-stromal-vascular-fractions-on-huvecs-exposed-to-oxidative-stress
#16
Soyeon Lim, Il-Kwon Kim, Jung-Won Choi, Hyang-Hee Seo, Kyu Hee Lim, Seahyoung Lee, Hoon-Bum Lee, Sang Woo Kim, Ki-Chul Hwang
Stromal vascular fractions (SVFs) are a heterogeneous collection of cells within adipose tissue that are being studied for various clinical indications. In this study, we aimed to determine whether SVF transplantation into impaired tissues has differential effects on inflammatory and angiogenetic properties with regard to gender. As reactive oxygen species have been implicated in cardiovascular disease development, we investigated differences in gene and protein expression related to inflammation and angiogenesis in HUVECs co-cultured with adipose-derived SVFs from male (M group) and female (F group) individuals under oxidative stress conditions...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28824329/effect-of-yap-inhibition-on-human-leukemia-hl-60-cells
#17
Min Chen, Jian Wang, Shi-Fei Yao, Yi Zhao, Lu Liu, Lian-Wen Li, Ting Xu, Liu-Gen Gan, Chun-Lan Xiao, Zhi-Ling Shan, Liang Zhong, Bei-Zhong Liu
Background: Yes-associated protein (YAP), the nuclear effector of the Hippo pathway, is a candidate oncoprotein and participates in the progression of various malignancies. However, few reports have examined the effect of YAP inhibition in human leukemia HL-60 cells. Methods: We examined the effects of YAP knockdown or inhibition using short hairpin RNA (shRNA) or verteporfin (VP), respectively. Western blot assays were used to determine the expression levels of YAP, Survivin, cyclinD1, PARP, Bcl-2, and Bax...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28824328/amelioration-of-estrogen-deficiency-induced-obesity-by-ocimum-gratissimum
#18
Pei-Yu Chao, Tsay-I Chiang, I-Chang Chang, Fang-Ling Tsai, Hsueh-Hui Lee, Kuanghui Hsieh, Yung-Wei Chiu, Te-Jen Lai, Jer-Yuh Liu, Li-Sung Hsu, Yang-Chia Shih
Objectives: Menopausal transition in women initiates with declining estrogen levels and is followed by significant changes in their physiological characteristics. These changes often lead to medical conditions, such as obesity, which is correlated with chronic low-grade/subclinical inflammation. Ocimum gratissimum L. is a food spice or traditional herb in many countries; the plant is rich in antioxidants, which possess anti-inflammation activities and multitude of other therapeutic functions. Methods: In this study, we evaluated effects of O...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28824327/expression-of-epicardial-adipose-tissue-thermogenic-genes-in-patients-with-reduced-and-preserved-ejection-fraction-heart-failure
#19
Luis M Pérez-Belmonte, Inmaculada Moreno-Santos, Juan J Gómez-Doblas, José M García-Pinilla, Luis Morcillo-Hidalgo, Lourdes Garrido-Sánchez, Concepción Santiago-Fernández, María G Crespo-Leiro, Fernando Carrasco-Chinchilla, Pedro L Sánchez-Fernández, Eduardo de Teresa-Galván, Manuel Jiménez-Navarro
Epicardial adipose tissue has been proposed to participate in the pathogenesis of heart failure. The aim of our study was to assess the expression of thermogenic genes (Uncoupling protein 1 (UCP1), peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC1α), and PR-domain-missing 16 (PRDM16) in epicardial adipose tissue in patients with heart failure, stablishing the difference according to left ventricular ejection fraction (reduced or preserved). Among the 75 patients in our study, 42.7% (n=32) had reduced left ventricular ejection fraction...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28824326/fut2-genetic-variants-as-predictors-of-tumor-development-with-hepatocellular-carcinoma
#20
Chih Tien Chen, Wen Ying Liao, Chia Chun Hsu, Kuan Chun Hsueh, Shun Fa Yang, Ying Hock Teng, Yung Luen Yu
Lewis antigens related to the ABO blood group are fucosylated oligosaccharides and are synthesized by specific glycosyltransferases (FUTs). FUTs are involved in various biological processes including cell adhesion and tumor progression. The fucosyltransferase-2 gene (FUT2) encodes alpha (1,2) fucosyltransferase, which is responsible for the addition of the alpha (1,2)-linkage of fucose to glycans. Aberrant fucosylation occurs frequently during the development and progression of hepatocellular carcinoma (HCC)...
2017: International Journal of Medical Sciences
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