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All Outputs (20)

Ca2+ Influx through TRPC Channels Is Regulated by Homocysteine–Copper Complexes (2023)
Journal Article
Chen, G., Zeng, B., Jiang, H., Daskoulidou, N., Saurabh, R., Chitando, R. J., & Xu, S. (2023). Ca2+ Influx through TRPC Channels Is Regulated by Homocysteine–Copper Complexes. Biomolecules, 13(6), Article 952. https://doi.org/10.3390/biom13060952

An elevated level of circulating homocysteine (Hcy) has been regarded as an independent risk factor for cardiovascular disease; however, the clinical benefit of Hcy lowering-therapy is not satisfying. To explore potential unrevealed mechanisms, we in... Read More about Ca2+ Influx through TRPC Channels Is Regulated by Homocysteine–Copper Complexes.

Assessment of mitochondrial dysfunction and implications in cardiovascular disorders (2022)
Journal Article
Li, Y., Ma, Y., Dang, Q. Y., Fan, X. R., Han, C. T., Xu, S. Z., & Li, P. Y. (2022). Assessment of mitochondrial dysfunction and implications in cardiovascular disorders. Life Sciences, 306, Article 120834. https://doi.org/10.1016/j.lfs.2022.120834

Mitochondria play a pivotal role in cellular function, not only acting as the powerhouse of the cell, but also regulating ATP synthesis, reactive oxygen species (ROS) production, intracellular Ca2+ cycling, and apoptosis. During the past decade, exte... Read More about Assessment of mitochondrial dysfunction and implications in cardiovascular disorders.

Protective effects of dapagliflozin against oxidative stress-induced cell injury in human proximal tubular cells (2021)
Journal Article
Zaibi, N., Li, P., & Xu, S.-Z. (in press). Protective effects of dapagliflozin against oxidative stress-induced cell injury in human proximal tubular cells. PLoS ONE, 16(2), Article e0247234. https://doi.org/10.1371/journal.pone.0247234

Elevated reactive oxygen species (ROS) in type 2 diabetes cause cellular damage in many organs. Recently, the new class of glucose-lowering agents, SGLT-2 inhibitors, have been shown to reduce the risk of developing diabetic complications; however, t... Read More about Protective effects of dapagliflozin against oxidative stress-induced cell injury in human proximal tubular cells.

Evaluating trastuzumab in the treatment of HER2 positive breast cancer (2020)
Journal Article
Jaques, R., Xu, S., & Matsakas, A. (2020). Evaluating trastuzumab in the treatment of HER2 positive breast cancer. Histology and Histopathology, 35(10), 1059-1075. https://doi.org/10.14670/HH-18-221

© 2020, Histology and Histopathology. All rights reserved. The transmembrane oncoprotein HER2 is encoded by ERBB2 gene and overexpressed in around 20% of invasive breast cancers. It can be specifically targeted by Trastuzumab (Herceptin®), a humanise... Read More about Evaluating trastuzumab in the treatment of HER2 positive breast cancer.

Recent advances in drug discovery for diabetic kidney disease (2020)
Journal Article
Danta, C. C., Boa, A. N., Bhandari, S., Sathyapalan, T., & Xu, S. Z. (2021). Recent advances in drug discovery for diabetic kidney disease. Expert Opinion on Drug Discovery, 16(4), 447-461. https://doi.org/10.1080/17460441.2021.1832077

Introduction: Diabetic kidney disease (DKD) is a leading cause of end-stage renal disease (ESRD), and 40% of patients with diabetes develop DKD. Although some pathophysiological mechanisms and drug targets of DKD have been described, the effectivenes... Read More about Recent advances in drug discovery for diabetic kidney disease.

Mesenchymal stem cell-based Smad7 gene therapy for experimental liver cirrhosis (2020)
Journal Article
Su, D.-N., Wu, S.-P., & Xu, S.-Z. (2020). Mesenchymal stem cell-based Smad7 gene therapy for experimental liver cirrhosis. Stem Cell Research and Therapy, 11(1), Article 395. https://doi.org/10.1186/s13287-020-01911-4

Background
Bone mesenchymal stem cells (MSCs) can promote liver regeneration and inhibit inflammation and hepatic fibrosis. MSCs also can serve as a vehicle for gene therapy. Smad7 is an essential negative regulatory gene in the TGF-β1/Smad signalli... Read More about Mesenchymal stem cell-based Smad7 gene therapy for experimental liver cirrhosis.

TRPC6 Binds to and Activates Calpain, Independent of Its Channel Activity, and Regulates Podocyte Cytoskeleton, Cell Adhesion, and Motility (2019)
Journal Article
Farmer, L., Rollason, R., Whitcomb, D., Ni, L., Goodlif, A., Lay, A., Birnbaumer, L., Heesom, K., Xu, S.-Z., Saleem, M., & Welsh, G. (2019). TRPC6 Binds to and Activates Calpain, Independent of Its Channel Activity, and Regulates Podocyte Cytoskeleton, Cell Adhesion, and Motility. Journal of the American Society of Nephrology : JASN, 30(10), 1910-1924. https://doi.org/10.1681/ASN.2018070729

BACKGROUND:
Mutations in the transient receptor potential channel 6 (TRPC6) gene are associated with an inherited form of FSGS. Despite widespread expression, patients with TRPC6 mutations do not present with any other pathologic phenotype, suggesti... Read More about TRPC6 Binds to and Activates Calpain, Independent of Its Channel Activity, and Regulates Podocyte Cytoskeleton, Cell Adhesion, and Motility.

Mibefradil, a T-type Ca2+ channel blocker also blocks Orai channels by action at the extracellular surface (2019)
Journal Article
Li, P., Rubaiy, H. N., Chen, G.-L., Hallett, T., Zaibi, N., Zeng, B., Saurabh, R., & Xu, S.-Z. (2019). Mibefradil, a T-type Ca2+ channel blocker also blocks Orai channels by action at the extracellular surface. British Journal of Pharmacology, 176, 3845–3856. https://doi.org/10.1111/bph.14788

Background and purpose
Mibefradil (Mib), a T‐type Ca2+ channel blocker, has been investigated for treating solid tumours. However, its underlying mechanisms are still unclear. Here we aimed to investigate the pharmacological aspect of Mib on ORAI st... Read More about Mibefradil, a T-type Ca2+ channel blocker also blocks Orai channels by action at the extracellular surface.

ORAI channels are critical for receptor-mediated endocytosis of albumin (2017)
Journal Article
Zeng, B., Chen, G.-L., Garcia-Vaz, E., Bhandari, S., Daskoulidou, N., Berglund, L. M., Jiang, H., Hallett, T., Zhou, L.-P., Huang, L., Xu, Z.-H., Nair, V., Nelson, R. G., Ju, W., Kretzler, M., Atkin, S. L., Gomez, M. F., & Xu, S.-Z. (2017). ORAI channels are critical for receptor-mediated endocytosis of albumin. Nature communications, 8(1), Article 1920. https://doi.org/10.1038/s41467-017-02094-y

Impaired albumin reabsorption by proximal tubular epithelial cells (PTECs) has been highlighted in diabetic nephropathy (DN), but little is known about the underlying molecular mechanisms. Here we find that ORAI1-3, are preferentially expressed in PT... Read More about ORAI channels are critical for receptor-mediated endocytosis of albumin.

High glucose enhances store-operated calcium entry by upregulating ORAI/STIM via calcineurin-NFAT signalling (2014)
Journal Article
Daskoulidou, N., Xu, S. Z., Zeng, B., Gomez, M. F., Berglund, L. M., Atkin, S. L., Jiang, H., Griffin, S., Ayoola, J., Bhandari, S., Kotova, O., Chen, G. L., Griffin, S., Jiang, H., Berglund, L. M., Zeng, B., & Daskoulidou, N. (2015). High glucose enhances store-operated calcium entry by upregulating ORAI/STIM via calcineurin-NFAT signalling. Journal of Molecular Medicine, 93(5), 511-521. https://doi.org/10.1007/s00109-014-1234-2

© 2014, Springer-Verlag Berlin Heidelberg. Abstract: ORAI and stromal interaction molecule (STIM) are store-operated channel molecules that play essential roles in human physiology through a coupling mechanism of internal Ca 2+ store to Ca 2+ influx.... Read More about High glucose enhances store-operated calcium entry by upregulating ORAI/STIM via calcineurin-NFAT signalling.

The ryanodine receptor agonist 4-chloro-3-ethylphenol blocks ORAI store-operated channels: 4-Chloro-3-ethylphenol inhibits ORAI channels (2014)
Journal Article
Zeng, B., Chen, G.-L., Daskoulidou, N., & Xu, S.-Z. (2014). The ryanodine receptor agonist 4-chloro-3-ethylphenol blocks ORAI store-operated channels: 4-Chloro-3-ethylphenol inhibits ORAI channels. British Journal of Pharmacology, 171(5), 1250-1259. https://doi.org/10.1111/bph.12528

Background
Depletion of the Ca2+ store by ryanodine receptor (RyR) agonists induces store‐operated Ca2+ entry (SOCE). 4‐Chloro‐3‐ethylphenol (4‐CEP) and 4‐chloro‐m‐cresol (4‐CmC) are RyR agonists commonly used as research tools and diagnostic reagen... Read More about The ryanodine receptor agonist 4-chloro-3-ethylphenol blocks ORAI store-operated channels: 4-Chloro-3-ethylphenol inhibits ORAI channels.

Involvement of TRPC Channels in Lung Cancer Cell Differentiation and the Correlation Analysis in Human Non-Small Cell Lung Cancer (2013)
Journal Article
Jiang, H. N., Zeng, B., Zhang, Y., Daskoulidou, N., Fan, H., Qu, J. M., & Xu, S. Z. (2013). Involvement of TRPC Channels in Lung Cancer Cell Differentiation and the Correlation Analysis in Human Non-Small Cell Lung Cancer. PLoS ONE, 8(6), Article e67637. https://doi.org/10.1371/journal.pone.0067637

The canonical transient receptor potential (TRPC) channels are Ca2+-permeable cationic channels controlling the Ca2+ influx evoked by G protein-coupled receptor activation and/or by Ca2+ store depletion. Here we investigate the involvement of TRPCs i... Read More about Involvement of TRPC Channels in Lung Cancer Cell Differentiation and the Correlation Analysis in Human Non-Small Cell Lung Cancer.

TRPC Channels and Their Splice Variants are Essential for Promoting Human Ovarian Cancer Cell Proliferation and Tumorigenesis (2013)
Journal Article
Zeng, B., Yuan, C., Yang, X., Atkin, S. L., & Xu, S.-Z. (2013). TRPC Channels and Their Splice Variants are Essential for Promoting Human Ovarian Cancer Cell Proliferation and Tumorigenesis. Current Cancer Drug Targets, 13(1), 103-116. https://doi.org/10.2174/156800913804486629

TRPC channels are Ca2+-permeable cationic channels controlling Ca2+ influx response to the activation of G protein-coupled receptors and protein tyrosine kinase pathways or the depletion of Ca2+ stores. Here we aimed to investigate whether TRPC can a... Read More about TRPC Channels and Their Splice Variants are Essential for Promoting Human Ovarian Cancer Cell Proliferation and Tumorigenesis.

Store-independent pathways for cytosolic STIM1 clustering in the regulation of store-operated Ca2+ influx (2012)
Journal Article
Zeng, B., Chen, G.-L., & Xu, S. Z. (2012). Store-independent pathways for cytosolic STIM1 clustering in the regulation of store-operated Ca2+ influx. Biochemical Pharmacology, 84(8), 1024-1035. https://doi.org/10.1016/j.bcp.2012.07.013

STIM1 is a Ca 2+ sensing molecule. Once the Ca 2+ stores are depleted, STIM1 moves towards the plasma membrane (PM) (translocation), forms puncta (clustering), and triggers store-operated Ca 2+ entry (SOCE). Although this process has been regarded as... Read More about Store-independent pathways for cytosolic STIM1 clustering in the regulation of store-operated Ca2+ influx.

Pharmacological comparison of novel synthetic fenamate analogues with econazole and 2-APB on the inhibition of TRPM2 channels (2012)
Journal Article
Chen, G.-L., Zeng, B., Eastmond, S., Elsenussi, S. E., Boa, A. N., & Xu, S.-Z. (2012). Pharmacological comparison of novel synthetic fenamate analogues with econazole and 2-APB on the inhibition of TRPM2 channels. British Journal of Pharmacology, 167(6), 1232-1243. https://doi.org/10.1111/j.1476-5381.2012.02058.x

BACKGROUND: Fenamate analogues, econazole and 2-APB are inhibitors of TRPM2 channels, which have been used as research tools. However, these compounds have different chemical structures and therapeutic applications. Here we aimed to investigate the p... Read More about Pharmacological comparison of novel synthetic fenamate analogues with econazole and 2-APB on the inhibition of TRPM2 channels.

Effect of non-steroidal anti-inflammatory drugs and new fenamate analogues on TRPC4 and TRPC5 channels (2012)
Journal Article
Jiang, H., Zeng, B., Chen, G.-L., Bot, D., Eastmond, S., Elsenussi, S. E., Atkin, S. L., Boa, A. N., & Xu, S.-Z. (2012). Effect of non-steroidal anti-inflammatory drugs and new fenamate analogues on TRPC4 and TRPC5 channels. Biochemical Pharmacology, 83(7), 923-931. https://doi.org/10.1016/j.bcp.2012.01.014

Non-steroidal anti-inflammatory drugs (NSAIDs) are widely used anti-inflammatory therapeutic agents,among which the fenamate analogues play important roles in regulating intracellular Ca<sup>2+</sup> transient and ion channels. However, the effect of... Read More about Effect of non-steroidal anti-inflammatory drugs and new fenamate analogues on TRPC4 and TRPC5 channels.

Activation of TRPC cationic channels by mercurial compounds confers the cytotoxicity of mercury exposure (2011)
Journal Article
Xu, S.-Z., Zeng, B., Atkin, S. L., Daskoulidou, N., Chen, G.-L., & Lukhele, B. (2012). Activation of TRPC cationic channels by mercurial compounds confers the cytotoxicity of mercury exposure. Toxicological Sciences, 125(1), 56 - 68. https://doi.org/10.1093/toxsci/kfr268

Mercury is an established worldwide environmental pollutant with well-known toxicity affecting neurodevelopment in humans, but the molecular basis of cytotoxicity and the detoxification procedure are still unclear. Here we examined the involvement of... Read More about Activation of TRPC cationic channels by mercurial compounds confers the cytotoxicity of mercury exposure.

Fluvastatin reduces oxidative damage in human vascular endothelial cells by upregulating Bcl-2 (2008)
Journal Article
Xu, S. Z., Zhong, W., Watson, N. M., Dickerson, E., Wake, J. D., Lindow, S. W., Newton, C. J., & Atkin, S. L. (2008). Fluvastatin reduces oxidative damage in human vascular endothelial cells by upregulating Bcl-2. Journal of thrombosis and haemostasis : JTH, 6(4), 692-700. https://doi.org/10.1111/j.1538-7836.2008.02913.x

Background: 3-Hydroxy-3-methylglutaryl coenzyme A reductase inhibitors (statins) have been widely used in clinical practise and their efficacy in reducing cardiovascular risk has been well described. Objectives: To investigate the effect of low doses... Read More about Fluvastatin reduces oxidative damage in human vascular endothelial cells by upregulating Bcl-2.

TRPC channel activation by extracellular thioredoxin (2008)
Journal Article
Xu, S.-Z., Sukumar, P., Zeng, F., Li, J., Jairaman, A., English, A., Naylor, J., Ciurtin, C., Majeed, Y., Milligan, C. J., Bahnasi, Y. M., Al-Shawaf, E., Porter, K. E., Jiang, L.-H., Emery, P., Sivaprasadarao, A., & Beech, D. J. (2008). TRPC channel activation by extracellular thioredoxin. Nature, 451(7174), 69-72. https://doi.org/10.1038/nature06414

Mammalian homologues of Drosophila melanogaster transient receptor potential (TRP) are a large family of multimeric cation channels that act, or putatively act, as sensors of one or more chemical factor. Major research objectives are the identificati... Read More about TRPC channel activation by extracellular thioredoxin.