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Journal of Biomedical Science

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https://www.readbyqxmd.com/read/28927419/tumor-necrosis-factor-superfamily-ligand-mrna-expression-profiles-differ-between-humans-and-mice-during-homeostasis-and-between-various-murine-kidney-injuries
#1
Satish Kumar Devarapu, Julia Felicitas Grill, Junhui Xie, Marc Weidenbusch, Mohsen Honarpisheh, Volker Vielhauer, Hans-Joachim Anders, Shrikant R Mulay
BACKGROUND: Several tumour necrosis factor (TNF) based therapeutics have already been approved for human use and several others are emerging. Therefore, we determined the mRNA expression levels of the TNF superfamily ligands (TNFSF) - e.g. TNF-α, lymphotoxin (LT)-α, LT-β, Fas-L (CD95-L), TNF-related apoptosis-inducing ligand (TRAIL), TNF-related weak inducer of apoptosis (TWEAK), 4-1BBL, OX40-L (CD252) and amyloid precursor protein (APP) in healthy human and mouse solid organs. METHODS: We used quantitative real time-PCR to analyse mRNA expression levels of TNFSF ligands...
September 19, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28927401/oxidative-toxicity-in-diabetes-and-alzheimer-s-disease-mechanisms-behind-ros-rns-generation
#2
REVIEW
Waqar Ahmad, Bushra Ijaz, Khadija Shabbiri, Fayyaz Ahmed, Sidra Rehman
Reactive oxidative species (ROS) toxicity remains an undisputed cause and link between Alzheimer's disease (AD) and Type-2 Diabetes Mellitus (T2DM). Patients with both AD and T2DM have damaged, oxidized DNA, RNA, protein and lipid products that can be used as possible disease progression markers. Although the oxidative stress has been anticipated as a main cause in promoting both AD and T2DM, multiple pathways could be involved in ROS production. The focus of this review is to summarize the mechanisms involved in ROS production and their possible association with AD and T2DM pathogenesis and progression...
September 19, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28923043/rosmarinic-acid-induces-rabbit-articular-chondrocyte-differentiation-by-decreases-matrix-metalloproteinase-13-and-inflammation-by-upregulating-cyclooxygenase-2-expression
#3
Seong-Hui Eo, Song Ja Kim
BACKGROUND: Matrix metalloproteinases (MMPs) are known to play an important role in the degradation of the extracellular matrix and the pathological progression of osteoarthritis (OA). The natural polyphenolic compound rosmarinic acid (Ros. A) has been shown to suppress the inhibitory activity of matrix metalloproteinases (MMPs). However, the effects of Ros. A on OA have not been investigated. METHODS: In the current study, primary articular chondrocytes were cultured from rabbit articular cartilage and treated with Ros...
September 18, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28917260/roles-of-sigma-1-receptors-on-mitochondrial-functions-relevant-to-neurodegenerative-diseases
#4
REVIEW
Tzu-Yu Weng, Shang-Yi Anne Tsai, Tsung-Ping Su
The sigma-1 receptor (Sig-1R) is a chaperone that resides mainly at the mitochondrion-associated endoplasmic reticulum (ER) membrane (called the MAMs) and acts as a dynamic pluripotent modulator in living systems. At the MAM, the Sig-1R is known to play a role in regulating the Ca(2+) signaling between ER and mitochondria and in maintaining the structural integrity of the MAM. The MAM serves as bridges between ER and mitochondria regulating multiple functions such as Ca(2+) transfer, energy exchange, lipid synthesis and transports, and protein folding that are pivotal to cell survival and defense...
September 16, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28911329/psoriasis-associated-vascular-disease-the-role-of-hdl
#5
REVIEW
Maria Joao Paiva-Lopes, José Delgado Alves
Psoriasis is a chronic inflammatory systemic disease with a prevalence of 2-3%. Overwhelming evidence show an epidemiological association between psoriasis, cardiovascular disease and atherosclerosis. Cardiovascular disease is the most frequent cause of death in patients with severe psoriasis. Several cardiovascular disease classical risk factors are also increased in psoriasis but the psoriasis-associated risk persists after adjusting for other risk factors.Investigation has focused on finding explanations for these epidemiological data...
September 14, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28893245/age-dependent-redox-status-in-the-brain-stem-of-no-deficient-hypertensive-rats
#6
Miroslava Majzúnová, Zuzana Pakanová, Peter Kvasnička, Peter Bališ, Soňa Čačányiová, Ima Dovinová
BACKGROUND: The brain stem contains important nuclei that control cardiovascular function via the sympathetic nervous system (SNS), which is strongly influenced by nitric oxide. Its biological activity is also largely determined by oxygen free radicals. Despite many experimental studies, the role of AT1R-NAD(P)H oxidase-superoxide pathway in NO-deficiency is not yet sufficiently clarified. We determined changes in free radical signaling and antioxidant and detoxification response in the brain stem of young and adult Wistar rats during chronic administration of exogenous NO inhibitors...
September 11, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28886718/repositioning-drugs-for-traumatic-brain-injury-n-acetyl-cysteine-and-phenserine
#7
REVIEW
Barry J Hoffer, Chaim G Pick, Michael E Hoffer, Robert E Becker, Yung-Hsiao Chiang, Nigel H Greig
Traumatic brain injury (TBI) is one of the most common causes of morbidity and mortality of both young adults of less than 45 years of age and the elderly, and contributes to about 30% of all injury deaths in the United States of America. Whereas there has been a significant improvement in our understanding of the mechanism that underpin the primary and secondary stages of damage associated with a TBI incident, to date however, this knowledge has not translated into the development of effective new pharmacological TBI treatment strategies...
September 9, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28882140/role-of-mitochondrial-dysfunction-and-dysregulation-of-ca-2-homeostasis-in-the-pathophysiology-of-insulin-resistance-and-type-2-diabetes
#8
REVIEW
Chih-Hao Wang, Yau-Huei Wei
Metabolic diseases such as obesity, type 2 diabetes (T2D) and insulin resistance have attracted great attention from biomedical researchers and clinicians because of the astonishing increase in its prevalence. Decrease in the capacity of oxidative metabolism and mitochondrial dysfunction are a major contributor to the development of these metabolic disorders. Recent studies indicate that alteration of intracellular Ca(2+) levels and downstream Ca(2+)-dependent signaling pathways appear to modulate gene transcription and the activities of many enzymes involved in cellular metabolism...
September 7, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28877723/conditioned-place-preference-training-prevents-hippocampal-depotentiation-in-an-orexin-dependent-manner
#9
Guan-Ling Lu, Hau-Jie Yau, Lih-Chu Chiou
BACKGROUND: Long-term potentiation (LTP) is well recognized as a cellular-correlated synaptic plasticity of learning and memory. However, its reversal forms of synaptic plasticity, depotentiation, is less studied and its association with behaviors is also far from clear. Previously, we have shown that nanomolar orexin A can prevent the depotentiation induced by low frequency stimulation (LFS) following theta burst stimulation-induced LTP, namely inducing re-potentiation, at hippocampal CA1 synapses in vitro...
September 6, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28870262/virulence-factors-antifungal-susceptibility-and-molecular-mechanisms-of-azole-resistance-among-candida-parapsilosis-complex-isolates-recovered-from-clinical-specimens
#10
Sourour Neji, Ines Hadrich, Houaida Trabelsi, Salma Abbes, Fatma Cheikhrouhou, Hayet Sellami, Fattouma Makni, Ali Ayadi
BACKGROUND: The aim of this study was to determine the biofilm formation, the extracellular enzymatic activities of 182 clinical isolates of the Candida parapsilosis complex. METHODS: Molecular identification of the C. parapsilosis species complex was performed using PCR RFLP of SADH gene and PCR sequencing of ITS region. The susceptibility of ours isolates to antifungal agents and molecular mechanisms underlying azole resistance were evaluated. RESULTS: 63...
September 4, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28870220/the-type-vi-adenylyl-cyclase-protects-cardiomyocytes-from-%C3%AE-adrenergic-stress-by-a-pka-stat3-dependent-pathway
#11
Yu-Shuo Wu, Chien-Chang Chen, Chen-Li Chien, Hsing-Lin Lai, Si-Tse Jiang, Yong-Cyuan Chen, Lin-Ping Lai, Wei-Fan Hsiao, Wen-Pin Chen, Yijuang Chern
BACKGROUND: The type VI adenylyl cyclase (AC6) is a main contributor of cAMP production in the heart. The amino acid (aa) sequence of AC6 is highly homologous to that of another major cardiac adenylyl cyclase, AC5, except for its N-terminus (AC6-N, aa 1-86). Activation of AC6, rather than AC5, produces cardioprotective effects against heart failure, while the underlying mechanism remains to be unveiled. Using an AC6-null (AC6(-/-)) mouse and a knockin mouse with AC6-N deletion (AC6 (ΔN/ΔN)), we aimed to investigate the cardioprotective mechanism of AC6 in the heart...
September 4, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28865467/beneficial-effects-of-curcumin-nano-emulsion-on-spermatogenesis-and-reproductive-performance-in-male-rats-under-protein-deficient-diet-model-enhancement-of-sperm-motility-conservancy-of-testicular-tissue-integrity-cell-energy-and-seminal-plasma-amino-acids
#12
Omar A H Ahmed-Farid, Maha Nasr, Rania F Ahmed, Rofanda M Bakeer
BACKGROUND: Malnutrition resulting from protein and calorie deficiency continues to be a major concern worldwide especially in developing countries. Specific deficiencies in the protein intake can adversely influence reproductive performance. The present study aimed to evaluate the effects of curcumin and curcumin nano-emulsion on protein deficient diet (PDD)-induced testicular atrophy, troubled spermatogenesis and decreased reproductive performance in male rats. METHODS: Juvenile rats were fed the protein deficient diet (PDD) for 75 days...
September 2, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28859657/fto-associations-with-obesity-and-telomere-length
#13
REVIEW
Yuling Zhou, Brett D Hambly, Craig S McLachlan
This review examines the biology of the Fat mass- and obesity-associated gene (FTO), and the implications of genetic association of FTO SNPs with obesity and genetic aging. Notably, we focus on the role of FTO in the regulation of methylation status as possible regulators of weight gain and genetic aging. We present a theoretical review of the FTO gene with a particular emphasis on associations with UCP2, AMPK, RBL2, IRX3, CUX1, mTORC1 and hormones involved in hunger regulation. These associations are important for dietary behavior regulation and cellular nutrient sensing via amino acids...
September 1, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28854935/distribution-of-glucose-transporters-in-renal-diseases
#14
REVIEW
Leszek Szablewski
Kidneys play an important role in glucose homeostasis. Renal gluconeogenesis prevents hypoglycemia by releasing glucose into the blood stream. Glucose homeostasis is also due, in part, to reabsorption and excretion of hexose in the kidney.Lipid bilayer of plasma membrane is impermeable for glucose, which is hydrophilic and soluble in water. Therefore, transport of glucose across the plasma membrane depends on carrier proteins expressed in the plasma membrane. In humans, there are three families of glucose transporters: GLUT proteins, sodium-dependent glucose transporters (SGLTs) and SWEET...
August 31, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28851455/the-complexity-of-trim28-contribution-to-cancer
#15
REVIEW
Patrycja Czerwińska, Sylwia Mazurek, Maciej Wiznerowicz
Since the first discovery in 1996, the engagement of TRIM28 in distinct aspects of cellular biology has been extensively studied resulting in identification of a complex nature of TRIM28 protein. In this review, we summarize core biological functions of TRIM28 that emerge from TRIM28 multi-domain structure and possessed enzymatic activities. Moreover, we will discuss whether the complexity of TRIM28 engagement in cancer biology makes TRIM28 a possible candidate for targeted anti-cancer therapy. Briefly, we will demonstrate the role of TRIM28 in regulation of target gene transcription, response to DNA damage, downregulation of p53 activity, stimulation of epithelial-to-mesenchymal transition, stemness sustainability, induction of autophagy and regulation of retrotransposition, to provide the answer whether TRIM28 functions as a stimulator or inhibitor of tumorigenesis...
August 29, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28851352/prognostic-roles-of-pathology-markers-immunoexpression-and-clinical-parameters-in-hepatoblastoma
#16
Jia-Feng Wu, Hsiu-Hao Chang, Meng-Yao Lu, Shiann-Tarng Jou, Kai-Chi Chang, Yen-Hsuan Ni, Mei-Hwei Chang
BACKGROUND: Hepatoblastoma, a leading primary hepatic malignant tumor in children, is originated from primitive hepatic stem cells. We aimed to elucidate the relationships between the histological distribution of β-catenin and hepatic stem cell markers with the clinical outcomes of hepatoblastoma. METHODS: Immunohistochemistry was applied to detect β-catenin and hepatic stem cell markers expression in 31 hepatoblastoma tumors. We analyzed the relationship between the stem cell markers and the clinical course of hepatoblastoma...
August 29, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28841878/the-role-of-lutheran-basal-cell-adhesion-molecule-in-human-bladder-carcinogenesis
#17
Hong-Yi Chang, Hsin-Mei Chang, Tsung-Jung Wu, Chang-Yao Chaing, Tzong-Shin Tzai, Hong-Lin Cheng, Giri Raghavaraju, Nan-Haw Chow, Hsiao-Sheng Liu
BACKGROUND: Lutheran/basal cell adhesion molecule (Lu/BCAM) is a membrane bound glycoprotein. This study was performed to investigate the role and downstream signaling pathway of Lu/BCAM in human bladder tumorigenesis. METHODS: Five human bladder cancer (E6, RT4, TSGH8301, TCCSUP and J82), one stable mouse fibroblast cell line (NIH-Lu) expressing Lu/BCAM transgene and sixty human uroepithelial carcinoma specimens were analyzed by real-time PCR, immunohistochemistry (IHC), immunofluorescence (IFA) staining, Western blotting and promoter luciferase assay for Lu/BCAM, respectively...
August 26, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28836970/comprehensive-comparison-of-three-different-animal-models-for-systemic-inflammation
#18
Semjon Seemann, Franziska Zohles, Amelie Lupp
BACKGROUND: To mimic systemic inflammation in humans, different animal models have been developed. Since these models are still discussed controversially, we aimed to comparatively evaluate the most widely used models with respect to the systemic effects, the influence on organ functions and to the underlying pathophysiological processes. METHODS: Systemic inflammation was induced in C57BL/6N mice with lipopolysaccharide (LPS) treatment, peritoneal contamination and infection (PCI), or cecal ligation and puncture (CLP)...
August 24, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28822354/3d-brain-organoids-derived-from-pluripotent-stem-cells-promising-experimental-models-for-brain-development-and-neurodegenerative-disorders
#19
REVIEW
Chun-Ting Lee, Raphael M Bendriem, Wells W Wu, Rong-Fong Shen
Three-dimensional (3D) brain organoids derived from human pluripotent stem cells (hPSCs), including embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs), appear to recapitulate the brain's 3D cytoarchitectural arrangement and provide new opportunities to explore disease pathogenesis in the human brain. Human iPSC (hiPSC) reprogramming methods, combined with 3D brain organoid tools, may allow patient-derived organoids to serve as a preclinical platform to bridge the translational gap between animal models and human clinical trials...
August 20, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28822352/vibrio-vulnificus-martx-cytotoxin-causes-inactivation-of-phagocytosis-related-signaling-molecules-in-macrophages
#20
Chun-Liang Chen, Shu-Chun Chien, Tzeng-Horng Leu, Hans I-Chen Harn, Ming-Jer Tang, Lien-I Hor
BACKGROUND: Vibrio vulnificus is a marine bacterial species that causes opportunistic infections manifested by serious skin lesions and fulminant septicemia in humans. We have previously shown that the multifunctional autoprocessing repeats in toxin (MARTXVv1) of a biotype 1 V. vulnificus strain promotes survival of this organism in the host by preventing it from engulfment by the phagocytes. The purpose of this study was to further explore how MARTXVv1 inhibits phagocytosis of this microorganism by the macrophage...
August 19, 2017: Journal of Biomedical Science
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