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Phospholipase c

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https://www.readbyqxmd.com/read/28430797/effect-of-quinoline-based-1-2-3-triazole-and-its-structural-analogues-on-growth-and-virulence-attributes-of-candida-albicans
#1
Mohammad Irfan, Shadab Alam, Nikhat Manzoor, Mohammad Abid
Candida albicans, along with some other non-albicans Candida species, is a group of yeast, which causes serious infections in humans that can be both systemic and superficial. Despite the fact that extensive efforts have been put into the discovery of novel antifungal agents, the frequency of these fungal infections has increased drastically worldwide. In our quest for the discovery of novel antifungal compounds, we had previously synthesized and screened quinoline containing 1,2,3-triazole (3a) as a potent Candida spp inhibitor...
2017: PloS One
https://www.readbyqxmd.com/read/28430185/phospholipase-c%C3%AE-1-regulates-p38-mapk-activity-and-skin-barrier-integrity
#2
Kaori Kanemaru, Yoshikazu Nakamura, Kengo Totoki, Takatsugu Fukuyama, Madoka Shoji, Hisae Kaneko, Kanako Shiratori, Atsuko Yoneda, Takafumi Inoue, Yoichiro Iwakura, Kenji Kabashima, Kiyoko Fukami
Keratinocytes undergo a unique type of programmed cell death known as cornification, which leads to the formation of the stratum corneum (SC), the main physical barrier of the epidermis. A defective epidermal barrier is a hallmark of the two most common inflammatory skin disorders, psoriasis, and atopic dermatitis. However, the detailed molecular mechanisms of skin barrier formation are not yet fully understood. Here, we showed that downregulation of phospholipase C (PLC) δ1, a Ca(2+)-mobilizing and phosphoinositide-metabolizing enzyme abundantly expressed in the epidermis, impairs the barrier functions of the SC...
April 21, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28424618/pharmacological-and-biochemical-characterization-of-tlqp-21-activation-of-a-binding-site-on-cho-cells
#3
Laura Molteni, Laura Rizzi, Elena Bresciani, Roberta Possenti, Pamela Petrocchi Passeri, Corrado Ghè, Giampiero Muccioli, Jean-Alain Fehrentz, Pascal Verdié, Jean Martinez, Robert J Omeljaniuk, Giuseppe Biagini, Anna Binda, Ilaria Rivolta, Vittorio Locatelli, Antonio Torsello
VGF is a propeptide of 617 amino acids expressed throughout the central and the peripheral nervous system. VGF and peptides derived from its processing have been found in dense core vesicles and are released from neuronal and neuroendocrine cells via the regulated secretory pathway. Among VGF-derived neuropeptides, TLQP-21 (VGF(556-576)) has raised a huge interest and is one of most studied. TLQP-21 is a multifunctional neuropeptide involved in the control of several physiological functions, potentially including energy homeostasis, pain modulation, stress responsiveness and reproduction...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28424452/parathyroid-hormone-activates-phospholipase-c-plc-independent-protein-kinase-c-signaling-pathway-via-protein-kinase-a-pka-dependent-mechanism-a-new-defined-signaling-route-would-induce-alternative-consideration-to-previous-conceptions
#4
Guojun Tong, Yue Meng, Song Hao, Shaoyu Hu, Youhua He, Wenjuan Yan, Dehong Yang
BACKGROUND Parathyroid hormone (PTH) is an effective anti-osteoporosis agent, after binding to its receptor PTHR1, several signaling pathways, including cAMP/protein kinase A (PKA) and phospholipase C (PLC)/protein kinase C (PKC), are initiated through G proteins; with the cAMP/PKA pathway as the major pathway. Earlier studies have reported that PTHR1 might also activate PKC via a PLC-independent mechanism, but this pathway remains unclear. MATERIAL AND METHODS In HEK293 cells, cAMP accumulation was measured with ELISA and PKC was measured with fluorescence resonance energy transfer (FRET) analysis using CKAR plasmid...
April 20, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28423710/phospholipase-c%C3%AE-1-suppresses-cell-migration-and-invasion-of-breast-cancer-cells-by-modulating-kif3a-mediated-erk1-2-%C3%AE-catenin-mmp7-signalling
#5
Qing Shao, Xinrong Luo, Dejuan Yang, Can Wang, Qiao Cheng, Tingxiu Xiang, Guosheng Ren
Phospholipase C δ1 (PLCD1) encodes an enzyme involved in energy metabolism, calcium homeostasis and intracellular movement. It is located at 3p22 in a region that is frequently deleted in multiple cancers, and the PLCD1 enzyme is a potential tumour suppressor in breast cancer that inhibits matrix metalloprotease (MMP) 7, but the detailed mechanism remains elusive. In this study, we found that PLCD1 was downregulated in breast cancers, and the gain-or-loss functional assay revealed that PLCD1 inhibited cell migration and invasion in vitro via the ERK1/2/β-catenin/MMP7 signalling pathway...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423060/phosphatidylcholine-specific-phospholipase-c-inhibition-down-regulates-cxcr4-expression-and-interferes-with-proliferation-invasion-and-glycolysis-in-glioma-cells
#6
Laura Mercurio, Serena Cecchetti, Alessandro Ricci, Aurora Pacella, Giovanni Cigliana, Giuseppina Bozzuto, Franca Podo, Egidio Iorio, Giulia Carpinelli
BACKGROUND: The chemokine receptor CXCR4 plays a crucial role in tumors, including glioblastoma multiforme (GBM), the most aggressive glioma. Phosphatidylcholine-specific phospholipase C (PC-PLC), a catabolic enzyme of PC metabolism, is involved in several aspects of cancer biology and its inhibition down-modulates the expression of growth factor membrane receptors interfering with their signaling pathways. In the present work we investigated the possible interplay between CXCR4 and PC-PLC in GBM cells...
2017: PloS One
https://www.readbyqxmd.com/read/28423042/transforming-growth-factor-%C3%AE-1-enhances-heme-oxygenase-1-expression-in-human-synovial-fibroblasts-by-inhibiting-microrna-519b-synthesis
#7
Shu-Jui Kuo, Wei-Hung Yang, Shan-Chi Liu, Chun-Hao Tsai, Horng-Chaung Hsu, Chih-Hsin Tang
BACKGROUND: Osteoarthritis (OA) is manifested by synovial inflammation and cartilage destruction that is directly linked to synovitis, joint swelling and pain. In the light of the role of synovium in the pathogenesis and the symptoms of OA, synovium-targeted therapy is a promising strategy to mitigate the symptoms and progression of OA. Transforming growth factor beta 1 (TGF-β1), a secreted homodimeric protein, possesses unique and potent anti-inflammatory and immune-regulatory properties in many cell types...
2017: PloS One
https://www.readbyqxmd.com/read/28418898/plce1-polymorphisms-and-expression-combined-with-serum-afp-level-predicts-survival-of-hbv-related-hepatocellular-carcinoma-patients-after-hepatectomy
#8
Xiwen Liao, Chuangye Han, Wei Qin, Xiaoguang Liu, Long Yu, Guangzhi Zhu, Tingdong Yu, Sicong Lu, Hao Su, Zhen Liu, Zhiwei Chen, Chengkun Yang, Ketuan Huang, Zhengtao Liu, Yu Liang, Jianlu Huang, Jiahong Dong, Lequn Li, Xue Qin, Xinping Ye, Kaiyin Xiao, Minhao Peng, Tao Peng
Polymorphisms in the phospholipase C epsilon (PLCE) 1 gene play a crucial role in the development and progression of several types of cancer. The present study investigated the prognostic significance of PLCE1 gene polymorphisms and expression combined with serum α-fetoprotein (AFP) level in hepatitis B virus (HBV)-related hepatocellular carcinoma (HCC). Single nucleotide polymorphisms were genotyped by sequencing DNA isolated from surgically resected tumor samples of 421 HBV-related HCC patients, and expression profiles were generated based on the GSE14520 dataset...
March 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28416203/the-s4-s5-linker-gearbox-of-trp-channel-gating
#9
REVIEW
Laura Hofmann, Hongmei Wang, Wang Zheng, Stephan E Philipp, Patricia Hidalgo, Adolfo Cavalié, Xing-Zhen Chen, Andreas Beck, Veit Flockerzi
Transient receptor potential (TRP) channels are cation channels which participate in a wide variety of physiological processes in organisms ranging from fungi to humans. They fulfill roles in body homeostasis, are sensors for noxious chemicals and temperature in the mammalian somatosensory system and are activated by light stimulated phospholipase C activity in Drosophila or by hypertonicity in yeast. The transmembrane topology of TRP channels is similar to that of voltage-gated cation channels. TRP proteins assemble as tetramers with each subunit containing six transmembrane helices (S1-S6) and intracellular N- and C-termini...
April 4, 2017: Cell Calcium
https://www.readbyqxmd.com/read/28413519/amp-activated-protein-kinase-mediates-the-effects-of-lipoprotein-associated-phospholipase-a2-on-endothelial-dysfunction-in-atherosclerosis
#10
Li Yang, Hong-Liang Cong, Shu-Feng Wang, Ting Liu
The present study aimed to investigate the effects of lipoprotein-associated phospholipase A2 (Lp-PLA2) on endothelial dysfunction in an in vitro cell model of atherosclerosis, and to determine whether AMP-activated protein kinase (AMPK) mediates the effects of Lp-PLA2 on endothelial dysfunction. A total of 392 patients with coronary artery disease (CAD), including various sub-conditions, were recruited, and the plasma concentrations of Lp-PLA2 were evaluated. In addition, an in vitro model of atherosclerosis was established by exposing human umbilical vein endothelial cells (HUVECs) to oxidized low-density lipoprotein (oxLDL)...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28412651/time-dependent-effect-of-rutin-on-skin-fibroblasts-membrane-disruption-following-uv-radiation
#11
Agnieszka Gęgotek, Katarzyna Bielawska, Michał Biernacki, Izabela Dobrzyńska, Elżbieta Skrzydlewska
Chronic exposure of the skin to solar UV radiation induces a number of biological alterations, including a redox imbalance; therefore, there is an urgent need for skin cells protective compounds. The aim of this study was to determine the effects of natural, previously extensively examined, polyphenol with antioxidant properties - rutin, on UV-induced skin fibroblasts membrane disruption. Accordingly, fibroblasts exposed to UVA and UVB irradiation were incubated with rutin (12h before and/or up to 24h after irradiation), and the structural and metabolic changes were examined...
April 9, 2017: Redox Biology
https://www.readbyqxmd.com/read/28412354/role-of-gpr30-in-estrogen-induced-prostate-epithelial-apoptosis-and-benign-prostatic-hyperplasia
#12
Deng-Liang Yang, Jia-Wen Xu, Jianguo Zhu, Yi-Lin Zhang, Jian-Bang Xu, Qing Sun, Xiao-Nian Cao, Wu-Lin Zuo, Ruo-Shui Xu, Jiehong Huang, Fu-Neng Jiang, Yang-Jia Zhuo, Bai-Quan Xiao, Yun-Zhong Liu, Dongbo Yuan, Zhaolin Sun, Hui-Chan He, Zhao-Rong Lun, Wei-De Zhong, Wen-Liang Zhou
Several studies have implicated estrogen and the estrogen receptor (ER) in the pathogenesis of benign prostatic hyperplasia (BPH); however, the mechanism underlying this effect remains elusive. In the present study, we demonstrated that estrogen (17β-estradiol, or E2)-induced activation of the G protein-coupled receptor 30 (GPR30) triggered Ca(2+) release from the endoplasmic reticulum, increased the mitochondrial Ca(2+) concentration, and thus induced prostate epithelial cell (PEC) apoptosis. Both E2 and the GPR30-specific agonist G1 induced a transient intracellular Ca(2+) release in PECs via the phospholipase C (PLC)-inositol 1, 4, 5-triphosphate (IP3) pathway, and this was abolished by treatment with the GPR30 antagonist G15...
April 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28412247/activation-of-phospholipase-c-%C3%AE-1-and-translocation-of-phosphatidylinositol-3-4-5-trisphosphate-3-phosphatase-contribute-to-gl-v9-induced-apoptosis-in-human-gastric-cancer-cells
#13
Kai Zhao, Guojun Li, Yuyuan Yao, Yuxin Zhou, Zhiyu Li, Qinglong Guo, Na Lu
Gastric cancer is the most common type of tumor in developing countries and the fourth most frequently diagnosed cancer worldwide. Here, we demonstrated the apoptotic effects of GL-V9 on several human gastric cancer cells and selected MGC-803 cells to uncover the underlying mechanism. GL-V9 elevated Bax/Bcl-2 ratio, abated mitochondrial membrane potential and triggered the onset of apoptotic execution in MGC-803 cells. Our research revealed that CHOP silencing could not inhibit apoptosis, neither could it block Ca(2+) release, suggesting that GL-V9-induced apoptosis was independent of CHOP...
April 13, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28411150/comparative-diagnostic-efficacy-of-recombinant-llo-and-pi-plc-based-elisas-for-detection-of-listeriosis-in-animals
#14
Rahul D Suryawanshi, Satya Veer Singh Malik, Bhushan Jayarao, Sandeep P Chaudhari, Emily Savage, Jess Vergis, Nitin V Kurkure, Sukhadeo B Barbuddhe, Deepak B Rawool
The present study for the first time evaluates the serodiagnostic efficacy of two recombinant antigens namely, listeriolysin O (rLLO) and phosphatidyl-inositol phospholipase C (rPI-PLC). Indirect ELISA with the above recombinant antigens was used on samples collected from bovines (n=106), goats (n=138) and pigs (n=92) having either a history of abortion, emaciation and/or apparently healthy animals. Isolation of Listeria was attempted from the blood samples using USDA-FSIS method. On screening of test sera by rLLO-based ELISA, antibodies against anti-listeriolysin O (ALLO) were observed in goats (22...
April 11, 2017: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/28408965/phospholipase-c-related-catalytically-inactive-protein-can-regulate-obesity-a-state-of-peripheral-inflammation
#15
REVIEW
Yosuke Yamawaki, Kana Oue, Satomi Shirawachi, Satoshi Asano, Kae Harada, Takashi Kanematsu
Obesity is defined as abnormal or excessive fat accumulation. Chronic inflammation in fat influences the development of obesity-related diseases. Many reports state that obesity increases the risk of morbidity in many diseases, including hypertension, dyslipidemia, type 2 diabetes, coronary heart disease, stroke, sleep apnea, and breast, prostate and colon cancers, leading to increased mortality. Obesity is also associated with chronic neuropathologic conditions such as depression and Alzheimer's disease. However, there is strong evidence that weight loss reduces these risks, by limiting blood pressure and improving levels of serum triglycerides, total cholesterol, low-density lipoprotein (LDL)-cholesterol, and high-density lipoprotein (HDL)-cholesterol...
February 2017: Japanese Dental Science Review
https://www.readbyqxmd.com/read/28406212/human-knockouts-and-phenotypic-analysis-in-a-cohort-with-a-high-rate-of-consanguinity
#16
Danish Saleheen, Pradeep Natarajan, Irina M Armean, Wei Zhao, Asif Rasheed, Sumeet A Khetarpal, Hong-Hee Won, Konrad J Karczewski, Anne H O'Donnell-Luria, Kaitlin E Samocha, Benjamin Weisburd, Namrata Gupta, Mozzam Zaidi, Maria Samuel, Atif Imran, Shahid Abbas, Faisal Majeed, Madiha Ishaq, Saba Akhtar, Kevin Trindade, Megan Mucksavage, Nadeem Qamar, Khan Shah Zaman, Zia Yaqoob, Tahir Saghir, Syed Nadeem Hasan Rizvi, Anis Memon, Nadeem Hayyat Mallick, Mohammad Ishaq, Syed Zahed Rasheed, Fazal-Ur-Rehman Memon, Khalid Mahmood, Naveeduddin Ahmed, Ron Do, Ronald M Krauss, Daniel G MacArthur, Stacey Gabriel, Eric S Lander, Mark J Daly, Philippe Frossard, John Danesh, Daniel J Rader, Sekar Kathiresan
A major goal of biomedicine is to understand the function of every gene in the human genome. Loss-of-function mutations can disrupt both copies of a given gene in humans and phenotypic analysis of such 'human knockouts' can provide insight into gene function. Consanguineous unions are more likely to result in offspring carrying homozygous loss-of-function mutations. In Pakistan, consanguinity rates are notably high. Here we sequence the protein-coding regions of 10,503 adult participants in the Pakistan Risk of Myocardial Infarction Study (PROMIS), designed to understand the determinants of cardiometabolic diseases in individuals from South Asia...
April 12, 2017: Nature
https://www.readbyqxmd.com/read/28404686/propofol-anesthesia-is-reduced-in-phospholipase-c-related-inactive-protein-type-1-knockout-mice
#17
Yoshikazu Nikaido, Tomonori Furukawa, Shuji Shimoyama, Junko Yamada, Keisuke Migita, Kohei Koga, Tetsuya Kushikata, Kazuyoshi Hirota, Takashi Kanematsu, Masato Hirata, Shinya Ueno
The GABA type A receptor (GABAA-R) is a major target of intravenous anesthetics. Phospholipase C-related inactive protein type-1 (PRIP-1) is important in GABAA-R phosphorylation and membrane trafficking. In this study, we investigated the role of PRIP-1 in general anesthetic action. The anesthetic effects of propofol, etomidate, and pentobarbital were evaluated in wild-type and PRIP-1 knockout (PRIP-1 KO) mice by measuring the latency and duration of loss of righting reflex (LORR) and loss of tail-pinch withdrawal response (LTWR)...
April 12, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28396737/anti-phospholipase-a2-receptor-antibody-levels-at-diagnosis-predicts-spontaneous-remission-of-idiopathic-membranous-nephropathy
#18
Perrine Jullien, Barbara Seitz Polski, Nicolas Maillard, Damien Thibaudin, Blandine Laurent, Edouard Ollier, Eric Alamartine, Gérard Lambeau, Christophe Mariat
Background: The diagnostic role of circulating anti-phospholipase A2 receptor antibodies (anti-PLA2R Abs) is now well recognized in idiopathic membranous nephropathy (iMN). These Abs could also be interesting as predictors of clinical outcome. In this study, we explored the prognostic value of anti-PLA2R Abs measured in a cohort of iMN patients, with a special focus on their ability to detect patients achieving spontaneous remission. Methods: All adult patients with biopsy-proven iMN diagnosed between 1978 and 2007 were retrospectively screened in our centre...
April 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28393919/association-of-c-type-lectin-mincle-with-fc%C3%AE%C2%B5ri%C3%AE-%C3%AE-subunits-leads-to-functional-activation-of-rbl-2h3-cells-through-syk
#19
Chisato Honjoh, Kazuyasu Chihara, Hatsumi Yoshiki, Shota Yamauchi, Kenji Takeuchi, Yuji Kato, Yukio Hida, Tamotsu Ishizuka, Kiyonao Sada
Macrophage-inducible C-type lectin (Mincle) interacts with the γ-subunit of high-affinity IgE receptor (FcεRIγ) and activates Syk by recognizing its specific ligand, trehalose-6,6'-dimycolate, a glycolipid produced by Mycobacterium tuberculosis. It has been suggested that mast cells participate in the immune defense against pathogenic microbes including M. tuberculosis, although the functions are still uncertain. In this study, we examined the Mincle-mediated signaling pathway and cellular responses using RBL-2H3 cells...
April 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28391912/effects-of-atorvastatin-on-biomarkers-of-immune-activation-inflammation-and-lipids-in-virologically-suppressed-human-immunodeficiency-virus-1-infected-individuals-with-low-density-lipoprotein-cholesterol-130%C3%A2-mg-dl-aids-clinical-trials-group-study-a5275
#20
Daniel E Nixon, Ronald J Bosch, Ellen S Chan, Nicholas T Funderburg, Sally Hodder, Jordan E Lake, Michael M Lederman, Karin L Klingman, Judith A Aberg
BACKGROUND: Persistent immune activation and inflammation in virologically suppressed human immunodeficiency virus (HIV) infection are linked to excess cardiovascular risk. OBJECTIVE: To evaluate atorvastatin as a strategy to reduce cardiovascular risk. METHODS: A5275 was a multicenter, prospective, randomized, double-blind, placebo-controlled, cross-over pilot study of atorvastatin (10 mg/day for 4 weeks then 20 mg/day for 16 weeks) with a planned enrollment of 97 HIV-infected participants ≥18 years old, receiving boosted protease inhibitor-based antiretroviral therapy for ≥6 months, with plasma HIV-1 RNAs below limits of quantification ≥180 days, and fasting low-density lipoprotein (LDL) cholesterol ≥70 and <130 mg/dL...
January 2017: Journal of Clinical Lipidology
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