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Journal of Biomedical Science

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https://www.readbyqxmd.com/read/28219375/state-of-the-art-in-anti-cancer-mabs
#1
REVIEW
S M Chiavenna, J P Jaworski, A Vendrell
Following Milstein's discovery, the monoclonal antibodies (mAbs) became a basic tool for biomedical science. In cancer field, since the first mAb was approved by the FDA a great improvement took place making of them a therapeutic option for many cancer types in the current clinical practice. Today, mAbs are being developed to target different molecules with different mechanisms of action and its target potential is unlimited. However, this huge and fast growing new field needs to be organized to better understand the treatment options we have to confront different cancer diseases...
February 20, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28178969/neuroblastoma-treatment-in-the-post-genomic-era
#2
REVIEW
Maria Rosaria Esposito, Sanja Aveic, Anke Seydel, Gian Paolo Tonini
Neuroblastoma is an embryonic malignancy of early childhood originating from neural crest cells and showing heterogeneous biological, morphological, genetic and clinical characteristics. The correct stratification of neuroblastoma patients within risk groups (low, intermediate, high and ultra-high) is critical for the adequate treatment of the patients.High-throughput technologies in the Omics disciplines are leading to significant insights into the molecular pathogenesis of neuroblastoma. Nonetheless, further study of Omics data is necessary to better characterise neuroblastoma tumour biology...
February 8, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28173864/macrophage-activation-and-polarization-in-post-infarction-cardiac-remodeling
#3
REVIEW
Aleksandra Gombozhapova, Yuliya Rogovskaya, Vladimir Shurupov, Mariya Rebenkova, Julia Kzhyshkowska, Sergey V Popov, Rostislav S Karpov, Vyacheslav Ryabov
Adverse cardiac remodeling leads to impaired ventricular function and heart failure, remaining a major cause of mortality and morbidity in patients with acute myocardial infarction. It have been shown that, even if all the recommended therapies for ST-segment elevation myocardial infarction are performed, one third of patients undergoes progressive cardiac remodeling that represents morphological basis for following heart failure. The need to extend our knowledge about factors leading to different clinical scenarios of myocardial infarction and following complications has resulted in a research of immuno-inflammatory pathways and molecular activities as the basis for post-infarction remodeling...
February 7, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28173811/marrow-adipocytes-inhibit-the-differentiation-of-mesenchymal-stem-cells-into-osteoblasts-via-suppressing-bmp-signaling
#4
Basem M Abdallah
BACKGROUND: Reduced bone formation is associated with increased bone marrow fat in many bone-loss related diseases including aging, post-menopause, and anorexia nervosa. Several lines of evidence suggested the regulation of osteogenesis and adipogenesis of the bone marrow-derived mesenchymal (skeletal) stem cells (BMSCs) by paracrine mediators. This study aimed to investigate the impact of adipocytes-secreted factors on the cell proliferation and osteoblast differentiation of BMSCs. METHODS: Serum free conditioned medium (CM-Adipo) was collected from stromal ST2 cells-derived adipocytes...
February 7, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28173800/oxidized-ldl-induced-jab1-influences-nf-%C3%AE%C2%BAb-independent-inflammatory-signaling-in-human-macrophages-during-foam-cell-formation
#5
Anja Schwarz, Gabriel A Bonaterra, Hans Schwarzbach, Ralf Kinscherf
BACKGROUND: Oxidized low-density lipoprotein (oxLDL) mediates the transformation of macrophages (MΦ) to cholesterol-rich foam cells and the release of pro-inflammatory cytokines during atherogenesis. JAB1 (Jun activation domain binding protein-1) is present in all stages of human plaques, involved in the Toll-like receptor-mediated activation of p38 mitogen-activated protein kinase (MAPK) and controls nuclear factor-kappa B (NF-κB) activation. Thus, we were interested in the role of JAB1 during foam cell formation of MΦ after oxLDL exposition...
February 7, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28143527/escape-from-ifn-%C3%AE-dependent-immunosurveillance-in-tumorigenesis
#6
REVIEW
Chiou-Feng Lin, Chih-Ming Lin, Kang-Yun Lee, Szu-Yuan Wu, Po-Hao Feng, Kuan-Yuan Chen, Hsiao-Chi Chuang, Chia-Ling Chen, Yu-Chih Wang, Po-Chun Tseng, Tsung-Ting Tsai
Immune interferon (IFN), also known as IFN-γ, promotes not only immunomodulation but also antimicrobial and anticancer activity. After IFN-γ binds to the complex of IFN-γ receptor (IFNGR) 1-IFNGR2 and subsequently activates its downstream signaling pathways, IFN-γ immediately causes transcriptional stimulation of a variety of genes that are principally involved in its biological activities. Regarding IFN-γ-dependent immunosurveillance, IFN-γ can directly suppress tumorigenesis and infection and/or can modulate the immunological status in both cancer cells and infected cells...
February 1, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28143470/current-use-of-autologous-adipose-tissue-derived-stromal-vascular-fraction-cells-for-orthopedic-applications
#7
REVIEW
Jaewoo Pak, Jung Hun Lee, Kwang Seung Park, Moonhee Park, Lin-Woo Kang, Sang Hee Lee
Autologous adipose stromal vascular fractions (SVFs) containing adipose tissue-derived stem cells (ASCs) are currently being used in clinical settings for various orthopedic applications for human patients. Due to its potential capability of regenerating cartilage, bone, and tendons, autologous adipose SVFs are being tried in treating patients with osteoarthritis (OA), chondromalacia, meniscus tear, osteonecrosis of the femoral head, and tendon injuries. Here, we have reviewed available human clinical studies with regard to patient applications of autologous adipose SVF containing ASCs, specifically assessing effectiveness and safety in the field of orthopedic disorders...
January 31, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28095830/kv7-voltage-activated-potassium-channel-inhibitors-reduce-fluid-resuscitation-requirements-after-hemorrhagic-shock-in-rats
#8
Sean P Nassoiy, Kenneth L Byron, Matthias Majetschak
BACKGROUND: Recent evidence suggests that drugs targeting Kv7 channels could be used to modulate vascular function and blood pressure. Here, we studied whether Kv7 channel inhibitors can be utilized to stabilize hemodynamics and reduce resuscitation fluid requirements after hemorrhagic shock. METHODS: Anesthetized male Sprague-Dawley rats were instrumented with arterial and venous catheters for blood pressure monitoring, hemorrhage and fluid resuscitation. Series 1: Linopirdine (Kv7 channel blocker, 0...
January 17, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28086885/harnessing-the-early-post-injury-inflammatory-responses-for-cardiac-regeneration
#9
REVIEW
Bill Cheng, H C Chen, I W Chou, Tony W H Tang, Patrick C H Hsieh
Cardiac inflammation is considered by many as the main driving force in prolonging the pathological condition in the heart after myocardial infarction. Immediately after cardiac ischemic injury, neutrophils are the first innate immune cells recruited to the ischemic myocardium within the first 24 h. Once they have infiltrated the injured myocardium, neutrophils would then secret proteases that promote cardiac remodeling and chemokines that enhance the recruitment of monocytes from the spleen, in which the recruitment peaks at 72 h after myocardial infarction...
January 13, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28077137/aberrant-methylation-of-dact1-and-dact2-are-associated-with-tumor-progression-and-poor-prognosis-in-esophageal-squamous-cell-carcinoma
#10
Yan-Li Guo, Bao-En Shan, Wei Guo, Zhi-Ming Dong, Zhen Zhou, Su-Peng Shen, Xin Guo, Jia Liang, Gang Kuang
BACKGROUND: The DACT (Dishevelled-associated antagonist of β-catenin) family of scaffold proteins may play important roles in tumorigenesis. However, the epigenetic changes of DACT1, 2, 3 and their effect on esophageal squamous cell carcinoma (ESCC) have not been investigated so far. The aim of this study was to investigate the promoter methylation and expression of DACT family, in order to elucidate more information on the role of DACT with regard to the progression and prognosis of ESCC...
January 11, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28069019/ppars-modulate-cardiac-metabolism-and-mitochondrial-function-in-diabetes
#11
REVIEW
Ting-Wei Lee, Kuan-Jen Bai, Ting-I Lee, Tze-Fan Chao, Yu-Hsun Kao, Yi-Jen Chen
Diabetic cardiomyopathy is a major complication of diabetes mellitus (DM). Currently, effective treatments for diabetic cardiomyopathy are limited. The pathophysiology of diabetic cardiomyopathy is complex, whereas mitochondrial dysfunction plays a vital role in the genesis of diabetic cardiomyopathy. Metabolic regulation targeting mitochondrial dysfunction is expected to be a reasonable strategy for treating diabetic cardiomyopathy. Peroxisome proliferator-activated receptors (PPARs) are master executors in regulating glucose and lipid homeostasis and also modulate mitochondrial function...
January 10, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28061846/map4k4-and-il-6-th17-cells-play-important-roles-in-non-obese-type-2-diabetes
#12
REVIEW
Huai-Chia Chuang, Tse-Hua Tan
Obesity is a causal factor of type 2 diabetes (T2D); however, people without obesity (including lean, normal weight, or overweight) may still develop T2D. Non-obese T2D is prevalent in Asia and also frequently occurs in Europe. Recently, multiple evidences oppose the notion that either obesity or central obesity (visceral fat accumulation) promotes non-obese T2D. Several factors such as inflammation and environmental factors contribute to non-obese T2D. According to the data derived from gene knockout mice and T2D clinical samples in Asia and Europe, the pathogenesis of non-obese T2D has been unveiled recently...
January 7, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28056995/aldehyde-dehydrogenase-2-activation-and-coevolution-of-its-%C3%AE%C2%B5pkc-mediated-phosphorylation-sites
#13
Aishwarya Nene, Che-Hong Chen, Marie-Hélène Disatnik, Leslie Cruz, Daria Mochly-Rosen
BACKGROUND: Mitochondrial aldehyde dehydrogenase 2 (ALDH2) is a key enzyme for the metabolism of many toxic aldehydes such as acetaldehyde, derived from alcohol drinking, and 4HNE, an oxidative stress-derived lipid peroxidation aldehyde. Post-translational enhancement of ALDH2 activity can be achieved by serine/threonine phosphorylation by epsilon protein kinase C (εPKC). Elevated ALDH2 is beneficial in reducing injury following myocardial infarction, stroke and other oxidative stress and aldehyde toxicity-related diseases...
January 5, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28056971/inhibition-of-epstein-barr-virus-reactivation-by-the-flavonoid-apigenin
#14
Chung-Chun Wu, Chih-Yeu Fang, Yu-Jhen Cheng, Hui-Yu Hsu, Sheng-Ping Chou, Sheng-Yen Huang, Ching-Hwa Tsai, Jen-Yang Chen
BACKGROUND: Lytic reactivation of EBV has been reported to play an important role in human diseases, including NPC carcinogenesis. Inhibition of EBV reactivation is considered to be of great benefit in the treatment of virus-associated diseases. For this purpose, we screened for inhibitory compounds and found that apigenin, a flavonoid, seemed to have the ability to inhibit EBV reactivation. METHODS: We performed western blotting, immunofluorescence and luciferase analyses to determine whether apigenin has anti-EBV activity...
January 5, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28056970/inhibition-of-histone-acetylation-by-curcumin-reduces-alcohol-induced-fetal-cardiac-apoptosis
#15
Xiaochen Yan, Bo Pan, Tiewei Lv, Lingjuan Liu, Jing Zhu, Wen Shen, Xupei Huang, Jie Tian
BACKGROUND: Prenatal alcohol exposure may cause cardiac development defects, however, the underlying mechanisms are not yet clear. In the present study we have investigated the roles of histone modification by curcumin on alcohol induced fetal cardiac abnormalities during the development. METHODS AND RESULTS: Q-PCR and Western blot results showed that alcohol exposure increased gene and active forms of caspase-3 and caspase-8, while decreased gene and protein of bcl-2...
January 5, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/27931227/epigenetics-of-amphetamine-induced-sensitization-hdac5-expression-and-microrna-in-neural-remodeling
#16
Philip K Liu, Christina H Liu
BACKGROUND: Histone deacetylase (HDAC) activities modify chromatin structure and play a role in learning and memory during developmental processes. Studies of adult mice suggest HDACs are involved in neural network remodeling in brain repair, but its function in drug addiction is less understood. We aimed to examine in vivo HDAC5 expression in a preclinical model of amphetamine-induced sensitization (AIS) of behavior. We generated specific contrast agents to measure HDAC5 levels by in vivo molecular contrast-enhanced (MCE) magnetic resonance imaging (MRI) in amphetamine-naïve mice as well as in mice with AIS...
December 8, 2016: Journal of Biomedical Science
https://www.readbyqxmd.com/read/27927211/genetic-variations-of-aldehyde-dehydrogenase-2-and-alcohol-dehydrogenase-1b-are-associated-with-the-etiology-of-atrial-fibrillation-in-japanese
#17
Yukiko Nakano, Hidenori Ochi, Yuko Onohara, Akinori Sairaku, Takehito Tokuyama, Hiroya Matsumura, Shunsuke Tomomori, Michitaka Amioka, Naoya Hironomobe, Chikaaki Motoda, Nozomu Oda, Kazuaki Chayama, Che-Hong Chen, Eric R Gross, Daria Mochly-Rosen, Yasuki Kihara
BACKGROUND: Alcohol consumption and oxidative stress are well-known risk factors for developing atrial fibrillation (AF). Single nucleotide polymorphisms (SNPs) of alcohol dehydrogenase (ADH1B) and aldehyde dehydrogenase 2 (ALDH2) genes encoding enzymes of alcohol and reactive aldehyde metabolism, respectively, are prevalent among East Asians. Here, we examined whether these SNPs were associated with AF in Japanese patients. METHODS AND RESULTS: Five hundred seventy-seven Japanese patients with AF undergoing catheter ablation and 1935 controls at Hiroshima University Hospital were studied...
December 7, 2016: Journal of Biomedical Science
https://www.readbyqxmd.com/read/27923354/the-paradox-role-of-caspase-cascade-in-ionizing-radiation-therapy
#18
REVIEW
Najmeh Rahmanian, Seyed Jalal Hosseinimehr, Ali Khalaj
Radiotherapy alone or in combination with chemotherapy/surgery is widely used for treatment of cancers. It reduces tumor growth and prevents metastasis. While ionizing radiation activates caspase cascade resulted in apoptosis in cancer cells, it also stimulates tumor cell re-population that leads to reduce the effectiveness of the radiation therapy. This review describes the mechanisms for paradox role of caspase cascade in cancer therapy and discusses the logical and practical strategies for improvement the therapeutic index of radiotherapy through enhancement of radiosensitivity and decreasing the rate of tumor recurrence...
December 7, 2016: Journal of Biomedical Science
https://www.readbyqxmd.com/read/27912760/update-on-recent-preclinical-and-clinical-studies-of-t790m-mutant-specific-irreversible-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitors
#19
REVIEW
Bin-Chi Liao, Chia-Chi Lin, Jih-Hsiang Lee, James Chih-Hsin Yang
The first- and second-generation epidermal growth factor receptor tyrosine kinase inhibitors (1/2G EGFR-TKIs) gefitinib, erlotinib, and afatinib have all been approved as standard first-line treatments for advanced EGFR mutation-positive non-small cell lung cancer. The third-generation (3G) EGFR-TKIs have been developed to overcome the EGFR T790M mutation, which is the most common mechanism of acquired resistance to 1/2G EGFR-TKI treatment. This resistance mutation develops in half of the patients who respond to 1/2G EGFR-TKI therapy...
December 3, 2016: Journal of Biomedical Science
https://www.readbyqxmd.com/read/27912756/mechanisms-of-inflammatory-responses-and-development-of-insulin-resistance-how-are-they-interlinked
#20
Kanwal Rehman, Muhammad Sajid Hamid Akash
BACKGROUND: Insulin resistance (IR) is one of the major hallmark for pathogenesis and etiology of type 2 diabetes mellitus (T2DM). IR is directly interlinked with various inflammatory responses which play crucial role in the development of IR. Inflammatory responses play a crucial role in the pathogenesis and development of IR which is one of the main causative factor for the etiology of T2DM. METHODS: A comprehensive online English literature was searched using various electronic search databases...
December 3, 2016: Journal of Biomedical Science
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