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Journal of Cellular Physiology

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https://www.readbyqxmd.com/read/29034472/protective-effects-of-curcumin-against-aflatoxicosis-a-comprehensive-review
#1
REVIEW
Mohammad Mohajeri, Behzad Behnam, Arrigo F G Cicero, Amirhossein Sahebkar
Aflatoxicosis is a deleterious medical condition that results from aflatoxins (AFs) or ochratoxins (OTs). Contamination with these toxins exerts detrimental effects on the liver, kidneys, reproductive organs, and also on immunological and cardiovascular systems. Aflatoxicosis is closely associated with overproduction of reactive oxygen species (ROS) as key contributors to oxidative and nitrosative stress responses, and subsequent damages to lipids, proteins, RNA, and DNA. The main target organ for AF toxicity is the liver, where DNA adducts, degranulation of endoplasmic reticulum, increased hepatic lipid peroxide, GSH depletion, mitochondrial dysfunction, and reduction of enzymatic and non-enzymatic antioxidants are manifestations of aflatoxicosis...
October 16, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29034471/lipid-signaling-affects-primary-fibroblast-collective-migration-and-anchorage-in-response-to-stiffness-and-microtopography
#2
Michael A Mkrtschjan, Snehal B Gaikwad, Kevin J Kappenman, Christopher Solís, Sagar Dommaraju, Long Le, Tejal A Desai, Brenda Russell
Cell migration is regulated by several mechanotransduction pathways, which consist of sensing and converting mechanical microenvironmental cues to internal biochemical cellular signals, such as protein phosphorylation and lipid signaling. While there has been significant progress in understanding protein changes in the context of mechanotransduction, lipid signaling is more difficult to investigate. In this study, physical cues of stiffness (10 kPa, 100 kPa, 400 kPa, and glass), and microrod or micropost topography were manipulated in order to reprogram primary fibroblasts and assess the effects of lipid signaling on the actin cytoskeleton...
October 15, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29034470/involvement-of-the-nrf2-ho-1-co-axis-and-therapeutic-intervention-with-the-co-releasing-molecule-corm-a1-in-a-murine-model-of-autoimmune-hepatitis
#3
Katia Mangano, Eugenio Cavalli, Santa Mammana, Maria Sofia Basile, Rosario Caltabiano, Antonio Pesce, Stefano Puleo, Atanas G Atanasov, Gaetano Magro, Ferdinando Nicoletti, Paolo Fagone
Concanavalin A (ConA)-induced hepatitis is an experimental model of human autoimmune hepatitis induced in rodents by i.v. injection of Con A. The disease is characterized by increase in serum levels of transaminases and massive immune infiltration of the livers. Type 1, type 2 and type 17 cytokines play a pathogenic role in the development of ConA-induced hepatitis. To understand further the immunoregulatory mechanisms operating in the development and regulation of ConA-induced hepatitis, we have evaluated the role of the anti-inflammatory pathway Nrf2/HO-1/CO (Nuclear Factor E2-related Factor 2/Heme Oxygenase-1/Carbon Monoxide) in this condition and determined whether the in vivo administration of CO via the CO-releasing molecule (CORM) CORM-A1, influences serological and histological development of Con-A-induced hepatitis...
October 15, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29034469/effect-of-mono-2-ethylhexyl-phthalate-mehp-on-proliferation-of-and-steroid-hormone-synthesis-in-rat-ovarian-granulosa-cells-in-vitro
#4
Na Li, Te Liu, Kun Guo, Jian Zhu, Guangyan Yu, Shuyue Wang, Lin Ye
This study aimed to examine the proliferation of and secretion by rat ovarian granulosa cells (GCs) treated with mono-(2-ethylhexyl) phthalate (MEHP). Ovarian GCs were incubated with MEHP at concentration of 0, 25, 50, 100, and 200µM for 24 hours. Cell viability was determined using the MTT Cell Proliferation Assay. Progesterone and estradiol production was evaluated by radioimmunoassay (RIA) and the expression of FSHR, PR, and ER was measured by immunocytochemistry. StAR, P450scc, 3β-HSD, 17β-HSD, and P450 arom mRNA levels were determined by RT-PCR...
October 15, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29030990/novel-nanohydrogel-of-hyaluronic-acid-loaded-with-quercetin-alone-and-in-combination-with-temozolomide-as-new-therapeutic-tool-cd44-targeted-based-of-glioblastoma-multiforme
#5
M Barbarisi, R V Iaffaioli, E Armenia, L Schiavo, G De Sena, S Tafuto, A Barbarisi, V Quagliariello
Glioblastoma multiforme is the most common and aggressive primary brain cancer with only ∼3% of patients surviving more than 3 years from diagnosis. Several mechanisms are involved in drug and radiation resistance to anticancer treatments and among them one of the most important factors is the tumour microenvironment status, characterised by cancer cell hypersecretion of interleukins and cytokines. The aim of our research was the synthesis of a nanocarrier of quercetin combined with temozolomide, to enhance the specificity and efficacy of this anticancer drug commonly used in glioblastoma treatment...
October 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29030989/genetic-and-epigenetic-factors-influencing-vitamin-d-status
#6
REVIEW
Afsane Bahrami, Hamid Reza Sadeghnia, Seyed-Amir Tabatabaeizadeh, Hamidreza Bahrami-Taghanaki, Negin Behboodi, Habibollah Esmaeili, Gordon A Ferns, Majid Ghayour Mobarhan, Amir Avan
The global prevalence of vitamin D deficiency appears to be increasing, and the impact of this on human health is important because of the association of vitamin D insufficiency with increased risk of osteoporosis, cardiovascular disease and some cancers. There are few studies on the genetic factors that can influence vitamin D levels. In particular, the data from twin and family-based studies have reported that circulating vitamin D concentrations are partially determined by genetic factors. Moreover, it has been shown that genetic variants (e...
October 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29030988/mir-145-5p-inhibits-proliferation-and-inflammatory-responses-of-rmc-through-regulating-akt-gsk-pathway-by-targeting-cxcl16
#7
Junbiao Wu, Yu He, Yining Luo, Lei Zhang, Hua Lin, Xusheng Liu, Bihao Liu, Chunling Liang, Yuan Zhou, Jiuyao Zhou
The main pathological characteristics of chronic glomerulonephritis (CGN) are diffuse mesangial cells proliferation and inflammatory responses. Our previous studies have confirmed that miR-145-5p was abnormally elevated in CGN rats, but its mechanism remains unclear. Therefore, this study aimed to elucidate the mechanism of miR-145-5p in regulation of renal mesangial cells proliferation and inflammatory responses. In vivo study, the cationic bovine serum albumin(C-BSA)-induced CGN rat model was established, and the content of miR-145-5p in renal was examined by qRT-PCR, meanwhile, we also determined the renal function and inflammatory infiltrate...
October 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29030987/nod1-downregulates-intestinal-serotonin-transporter-and-interacts-with-other-pattern-recognition-receptors
#8
Elena Layunta, Eva Latorre, Raquel Forcén, Laura Grasa, Miguel Ángel Plaza, Maykel Arias, Ana I Alcalde, José E Mesonero
Serotonin (5-HT) is an essential gastrointestinal modulator whose effects regulate the intestinal physiology. 5-HT effects depend on extracellular 5-HT bioavailability, which is controlled by the serotonin transporter (SERT) expressed in both the apical and basolateral membranes of enterocytes. SERT is a critical target for regulating 5-HT levels and consequently, modulating the intestinal physiology. The deregulation of innate immune receptors has been extensively studied in inflammatory bowel diseases (IBD), where an exacerbated defense response to commensal microbiota is observed...
October 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29030986/the-small-molecule-au14022-promotes-colorectal-cancer-cell-death-via-p53-mediated-g2-m-phase-arrest-and-mitochondria-mediated-apoptosis
#9
Hwani Ryu, Ky-Youb Nam, Jae Sung Kim, Sang-Gu Hwang, Jie-Young Song, Jiyeon Ahn
The p53 tumor suppressor plays critical roles in cell cycle regulation and apoptotic cell death, with its activation capable of sensitizing cancer cells to radiotherapy or chemotherapy. To identify small molecules that induce apoptosis via increased p53 transcriptional activity, we used a novel in-house library containing 96 small-molecule compounds. Using a cell-based screening method with a p53-responsive luciferase-reporter assay system involving benzoxazole derivatives, we found that AU14022 administration significantly increased p53 transcriptional activity in a concentration-dependent manner...
October 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29030981/mesalazine-treatment-in-organotypic-culture-of-celiac-patients-comparative-study-with-gluten-free-diet
#10
EDITORIAL
Benedetti E, A Viscido, V Castelli, C Maggiani, M d'Angelo, E Di Giacomo, A Antonosante, A Picarelli, G Frieri
Given the central role of gluten in the pathogenesis of celiac disease (CD), a strict gluten-free diet (GFD) is the only validated treatment able to restore epithelium integrity and eliminate risks of complications. The risk of gluten contamination and the persistence of inflammation, even in patients strictly adhering to GFD, may render this treatment not always effective claiming the necessity of different new solutions. Oxidative and nitrosative stress have been indicated to play a pathophysiological role in CD...
October 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29030979/pioglitazone-inhibits-cancer-cell-growth-through-stat3-inhibition-and-enhanced-aif-expression-via-a-ppar%C3%AE-independent-pathway
#11
Masanobu Tsubaki, Tomoya Takeda, Yoshika Tomonari, Keishi Kawashima, Tatsuki Itoh, Motohiro Imano, Takao Satou, Shozo Nishida
Pioglitazone is an anti-diabetic agent that belongs to the thiazolidinedione class, which target peroxisome proliferator-activated receptor γ (PPARγ), a transcription factor in the nuclear receptor family. Different cancer cells expressing high levels of PPARγ and PPARγ ligands induce cell cycle arrest, cell differentiation, and apoptosis. However, the mechanisms underlying these processes remain unknown. Here, we investigated the mechanism underlying pioglitazone-induced apoptosis in human cancer cells...
October 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29030976/synergistic-effect-of-hif-1%C3%AE-and-foxo3a-trigger-cardiomyocyte-apoptosis-under-hyperglycemic-ischemia-condition
#12
Ya-Fang Chen, Sudhir Pandey, Cecilia Hsuan Day, Yu-Feng Chen, Ai-Zhi Jiang, Tsung-Jung Ho, Ray-Jade Chen, Vijaya PadmaViswanadha, Wei-Wen Kuo, Chih-Yang Huang
Cardiomyocyte death is an important pathogenic feature of ischemia and heart failure. Through this study, we showed the synergistic role of HIF-1α and FoxO3a in cardiomyocyte apoptosis subjected to hypoxia plus elevated glucose levels. Using gene specific small interfering RNAs (siRNA), semi-quantitative reverse transcriptase polymerase chain reaction (RT-PCR), western blot, immunofluorescence, nuclear and cytosolic localization and TUNEL assay techniques, we determined that combined function of HIF-1α and FoxO3a under high glucose plus hypoxia condition lead to enhanced expression of BNIP3 inducing cardiomyocyte death...
October 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29030970/annexin-a1-annexin-a2-and-dyrk-1b-are-upregulated-during-gas1-induced-cell-cycle-arrest
#13
G Pérez-Sánchez, A Jiménez, M A Quezada-Ramírez, E Estudillo, A E Ayala-Sarmiento, G Mendoza-Hernández, Justino Hernández-Soto, F C Hernández-Hernández, F E Cázares-Raga, J Segovia
GAS1 is a pleiotropic protein that has been investigated because of its ability to induce cell proliferation, cell arrest, and apoptosis, depending on the cellular or the physiological context in which it is expressed. At this point, we have information about the molecular mechanisms by which GAS1 induces proliferation and apoptosis; but very few studies have been focused on elucidating the mechanisms by which GAS1 induces cell arrest. With the aim of expanding our knowledge on this subject, we first focused our research on finding proteins that were preferentially expressed in cells arrested by serum deprivation...
October 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29030964/transcription-factor-hmg-box-containing-protein-1-hbp1-modulates-mitotic-clonal-expansion-mce-during-adipocyte-differentiation
#14
Chien-Yi Chan, Ping Yu, Feng-Tzu Chang, Zih-Hua Chen, Ming-Fen Lee, Chun-Yin Huang
Transcription factor HMG box-containing protein 1 (HBP1) has been found to be up-regulated in rat adipose tissue and differentiated preadipocyte; however, how HBP1 is involved in adipocyte formation remains unclear. In the present study, we demonstrated that under a standard differentiation protocol HBP1 expression fluctuates with down-regulation in the mitotic clonal expansion (MCE) stage followed by up-regulation in the terminal differentiation stage in both 3T3-L1 and MEF cell models. Also, HBP1 knockdown accelerated cell cycle progression in the MCE stage, but it impaired final adipogenesis...
October 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29030963/estrogen-regulates-stemness-and-senescence-of-bone-marrow-stromal-cells-to-prevent-osteoporosis-via-er%C3%AE-satb2-pathway
#15
Geng Wu, Rongyao Xu, Ping Zhang, Tao Xiao, Yu Fu, Yuchao Zhang, Yifei Du, Jinhai Ye, Jie Cheng, Hongbing Jiang
Decline of pluripotency in bone marrow stromal cells (BMSCs) associated with estrogen deficiency leads to a bone formation defect in osteoporosis. Special AT-rich sequence binding protein 2 (SATB2) is crucial for maintaining stemness and osteogenic differentiation of BMSCs. However, whether SATB2 is involved in estrogen-deficiency associated-osteoporosis is largely unknown. In this study, we found that estrogen mediated pluripotency and senescence of BMSCs, primarily through estrogen receptor beta (ERβ). BMSCs from the OVX rats displayed increased senescence and weaker SATB2 expression, stemness, and osteogenic differentiation, while estrogen could rescue these phenotypes...
October 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29030962/lncrna-dgcr5-promotes-lung-adenocarcinoma-luad-progression-via-inhibiting-hsa-mir-22-3p
#16
Hui-Xing Dong, Ren Wang, Jian Zeng, Jing Pan
Long non-coding RNAs (lncRNAs) serve critical roles in the pathogenesis of various cancers, including lung adenocarcinoma (LUAD). Herein, in this study, we aimed to investigate the biological and clinical significance of lncRNA DiGeorge syndrome critical region gene 5 (DGCR5) in LUAD. It was observed that DGCR5 was upregulated in LUAD tissues and LUAD cell lines. Inhibition of DGCR5 can prevent LUAD progression via playing anti-apoptosis roles. Both mRNA expression and protein levels of BCL-2 were increased by DGCR5 downregulation while reversely BAX was increased...
October 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29023783/melatonin-application-in-targeting-oxidative-induced-liver-injuries-a-review
#17
REVIEW
Keywan Mortezaee, Neda Khanlarkhani
It is believed that oxidative stress is a key causing factor of liver damage induced by a variety of agents, and it is a major contributing factor in almost all conditions compromising liver function, including ischemia-reperfusion injury (IRI), nonalcoholic fatty liver disease (NAFLD), nonalcoholic steatohepatitis (NASH), liver fibrosis, liver cirrhosis and hepatocellular carcinoma (HCC). Liver is the organ that high concentration of melatonin (N-acetyl-5-methoxytryptamine) accumulates, and it is the sole organ where circulating melatonin is metabolized...
October 12, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29023770/c-c-motif-chemokine-ligand-23-abolishes-er-stress-and-lps-induced-reduction-in-proliferation-of-bovine-endometrial-epithelial-cells
#18
Whasun Lim, Hyocheol Bae, Fuller W Bazer, Gwonhwa Song
To reduce embryonic losses in domestic animals for economic production of livestock meat and milk, chemokines and their receptors are required for proper implantation and placentation during early pregnancy. In this study, we investigated the effects of C-C-motif chemokine ligand 23 (CCL23) on the proliferation of bovine endometrial (BEND) epithelial cells. CCL23 treatment improved BEND cell proliferation by enhancing PCNA and cyclin D1 expression via activation of the PI3K/AKT and MAPK signaling pathways. In addition, a combination of CCL23 and tunicamycin reversed the ER stress-induced reduction in cell proliferation and the decreased expression of UPR-mediated signaling proteins, including IRE1α, PERK, and ATF6α...
October 12, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29023715/a-new-parameter-of-growth-inhibition-for-cell-proliferation-assays
#19
Francesco Paolo Fiorentino, Luigi Bagella, Irene Marchesi
Cell proliferation assays are performed by four decades to test the anti-proliferative activity of natural products and synthetic compounds in cell cultures. In cancer research, they are widely employed to evaluate drug efficacy in in vitro tumor models, such as established cell lines, primary cultures and recently developed three-dimensional tumor organoids. In this manuscript, we demonstrated that current employed parameters used by researchers to quantify in vitro growth inhibition, IC50 and GI50 , lead to a misinterpretation of results based on the exponential, and not linear, proliferation of the cells in culture...
October 12, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28976001/inhibition-of-arterial-medial-calcification-and-bone-mineralization-by-extracellular-nucleotides-the-same-functional-effect-mediated-by-different-cellular-mechanisms
#20
Jessal J Patel, Dongxing Zhu, Britt Opdebeeck, Patrick D'Haese, José L Millán, Lucie E Bourne, Caroline P D Wheeler-Jones, Timothy R Arnett, Vicky E MacRae, Isabel R Orriss
Arterial medial calcification (AMC) is thought to share some outward similarities to skeletal mineralization and has been associated with the transdifferentiation of vascular smooth muscle cells (VSMCs) to an osteoblast-like phenotype. ATP and UTP have previously been shown to inhibit bone mineralization. This investigation compared the effects of extracellular nucleotides on calcification in VSMCs with those seen in osteoblasts. ATP, UTP and the ubiquitous mineralization inhibitor, pyrophosphate (PPi ), dose dependently inhibited VSMC calcification by ≤85%...
October 4, 2017: Journal of Cellular Physiology
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