User:Leofef/sandbox

Source: Wikipedia, the free encyclopedia.

Arylsulfatase B was recently studied as a potential biomarker of prostate cancer [1]

Halley's comet caused a famine [2]

Possible role in development of diabetes

Recent study showed that mice that consumed carrageenan in their drinking water had

HepG2 cells. Results of the study demonstrate extra-colonic manifestations of carrageenan and suggest that carrageenan in the diet may contribute to development of diabetes [3]

Role in cystic fibrosis

Expression and activity of ARSB were found to be related to the function of cystic fibrosis transmembrane conductance regulator (CFTR), the membrane channel deficient in cystic fibrosis. Measurements in cystic fibrosis cell line IB3 and its derivative cell line C38, which has a functional CFTR, showed increased ARSB activity and expression in the C38 line. [4] CFTR potentiator VRT-532 increased ARSB expression and activity in cystic fibrosis cells to the level in the normal bronchial epithelial cells. [5]

Extra-lysosomal localization

Although primarily a lysosomal enzyme, ARSB was also found to localize at the cell membrane of

epithelial cells, by immunohistochemistry and immunofluorescence studies. Membrane immunostaining in the colon and prostate was lower in malignant than in normal tissue and also was lower in higher grade malignancies. [6] [7] [8]

Role in malignancy

ARSB has been studied in a variety of cancers. Cultured normal mammary epithelial and

melanocytes, ARSB silencing increased invasiveness and expression of CSPG4 and MMP2, known markers of melanoma progression. CSPG4 expression was mediated by reduced binding of galectin-3 to C4S, while MMP2 expression was mediated by increased binding of SHP2 to C4S. [13]

Role in metabolism

Reduced sulfate availability due to impaired activity of ARSB has been linked to increased

aerobic glycolysis, as shown by an increase in NADH and NADPH, reduced oxygen consumption, increased extracellular acidification and serum lactate, and a decline in mitochondrial membrane potential in ARSB-silenced cells and ARSB-null mouse tissues. [14]


References

  1. ^ L Feferman, S Bhattacharyya, R Deaton, P Gann, G Guzman, A Kajdacsy-Balla and JK Tobacman. Arylsulfatase B (N-acetylgalactosamine-4-sulfatase): potential role as a biomarker in prostate cancer. Prostate Cancer and Prostatic Disease advance online publication, 9 July 2013; doi:10.1038/pcan.2013.18
  2. ^ Mike Wall. Why Halley's Comet May Be Linked to Famine 1,500 Years Ago. Life Science. December 19, 2013
  3. ^ S Bhattacharyya, I O-Sullivan, S Katyal, T Unterman,and JK Tobacman. Exposure to the common food additive carrageenan leads to glucose intolerance, insulin resistance and inhibition of insulin signalling in HepG2 cells and C57BL/6J mice. Diabetologia (2012) 55:194–203
  4. ^ Sumit Bhattacharyya, Dwight Look, Joanne K. Tobacman. Increased arylsulfatase B activity in cystic fibrosis cells following correction of CFTR. Clinica Chimica Acta, Volume 380, Issues 1–2, 1 May 2007, Pages 122–12
  5. ^ Sumit Bhattacharyya,Leo Feferman, Joanne K. Tobacman. Effect of CFTR modifiers on arylsulfatase B activity in cystic fibrosis and normal human bronchial epithelial cells. Pulmonary Pharmacology & Therapeutics 36 (2016)22-30
  6. ^ Keiko Mitsunaga-Nakatsubo, Shinichiro Kusunoki, Hayato Kawakami, Koji Akasaka, Yoshihiro Akimoto. Cell-surface arylsulfatase A and B on sinusoidal endothelial cells, hepatocytes, and Kupffer cells in mammalian livers. Med Mol Morphol (2009) 42:63–69 DOI 10.1007/s00795-009-0447-x
  7. ^ a b Sanjiv V. Prabhu, Sumit Bhattacharyya, Grace Guzman-Hartman, Virgilia Macias, André Kajdacsy-Balla, Joanne K. Tobacman. Extra-Lysosomal Localization of Arylsulfatase B in Human Colonic Epithelium. J Histochem Cytochem March 2011 vol. 59 no. 3 328-335 doi: 10.1369/0022155410395511
  8. ^ a b L Feferman, S Bhattacharyya, R Deaton, P Gann, G Guzman, A Kajdacsy-Balla, and JK Tobacman. Arylsulfatase B (N-acetylgalactosamine-4-sulfatase): potential role as a biomarker in prostate cancer. Prostate Cancer and Prostatic Disease (2013), 1–8
  9. ^ Sumit Bhattacharyyaa, Joanne K. Tobacman. Steroid sulfatase, arylsulfatases A and B, galactose-6-sulfatase, and iduronate sulfatase in mammary cells and effects of sulfated and non-sulfated estrogens on sulfatase activity. The Journal of Steroid Biochemistry and Molecular Biology. Volume 103, Issue 1, January 2007, Pages 20–34
  10. ^ S Bhattacharyya, L Feferman and JK Tobacman. Arylsulfatase B regulates versican expression by galectin-3 and AP-1 mediated transcriptional effects. Oncogene (2013), 1–10
  11. ^ Sumit Bhattacharyya, Leo Feferman and Joanne K. Tobacman. Increased Expression of Colonic Wnt9a through Sp-1 mediated Transcriptional Effects Involving Arylsulfatase B, Chondroitin-4-Sulfate, and Galectin-3. J. Biol. Chem. published online April 28, 2014
  12. ^ Sumit Bhattacharyya, Leo Feferman, Joanne K. Tobacman. Inhibition of Phosphatase Activity Follows Decline in Sulfatase Activity and Leads to Transcriptional Effects through Sustained Phosphorylation of Transcription Factor MITF. PLOS ONE April 14, 2016
  13. ^ Sumit Bhattacharyya, Leo Feferman, Kaoru Terai, Arkadiusz Z. Dudek, Joanne K. Tobacman. Decline in arylsulfatase B leads to increased invasiveness of melanoma cells. Oncotarget. December 1, 2016.
  14. ^ Sumit Bhattacharyya, Leo Feferman, Joanne K. Tobacman. Restriction of Aerobic Metabolism by Acquired or Innate Arylsulfatase B Deficiency: A New Approach to the Warburg Effect. Scientific Reports. September 8, 2016