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Inhibitor of PP1 and PP2A
- Highly pure, potent, and selective inhibitor of PP1 and PP2A
- Hepatotoxin and tumor promoter
- Cited in several water quality-related research articles
Microcystin-LR (MC-LR) is an heptapeptide ester hepatotoxin and tumor promoter. MC-LR is an equally potent and selective inhibitor of protein phosphatase 1 (PP1) and 2A (PP2A). PP2B is less sensitive and PP2C is not inhibited up to 4µM. It is useful for affinity-purification of PP2A. The product is not cell-permeable except in liver cells, which appear to have a functional uptake system. It is absorbed by hepatocytes via the multi-specific organic anion transporter. It does not induce any effects on mouse skin or human fibroblasts due to cell membranes impermeability. It, also, has no effect on protein kinases. It is less toxic than the more hydrophobic analogs MC-LF (Prod. No. ALX-350-081), -LW (Prod. No. ALX-350-080), and -LY (Prod. No. ALX-350-148). It frequently contaminates fresh-water lakes and ponds and causes livestock poisonings. Ozonation leads to complete loss of toxicity and toxins from contaminated samples.
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Cyanobacteria are photosynthetic prokaryotes mostly present in freshwater ecosystems. The increasingly frequent appearance of cyanobacteria blooms in lakes and rivers is linked to climate changes and human activities. Microcystins are a group of cyclic heptapeptide hepatotoxins produced by a number of cyanobacterial genera. The most notable of which, and namesake, is the widespread genus Microcystis. Structurally, all microcystins consist of the generalized structure cyclo(-D-Ala1-X2-D-MeAsp3-Y4-Adda5-D-Glu6-Mdha7-). X and Y are variable L-amino acids, D-MeAsp is D-erythro-β-methylaspartic acid and Mdha is N-methyldehydroalanine. Adda is the cyanobacteria unique C20 β-amino acid 3-amino-9-methoxy-2,6,8-trimethyl-10-phenyl-deca-4,6-dienoic acid. Substitutions of the variable L-amino acids at positions 2 and 4 give rise to at least 21 known primary microcystin analogs and alterations in the other constituent amino acids result in more than 90 reported mycrocystins to date.
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Product Details
| Alternative Name |
MC-LR |
|---|---|
| Appearance |
Whitish film adhered to inside of the vial. |
| CAS |
101043-37-2 |
| Couple Target |
Serine/threonine-protein phosphatase |
| Couple Type |
Inhibitor |
| Formula |
C49H74N10O12 |
| Identity |
Identity determined by MS. |
| MW |
995.2 |
| Purity |
≥95% (HPLC) |
| RTECS |
GT2810000 |
| Solubility |
Soluble in DMSO, ethanol (1 mg/ml), or methanol (2 mg/ml). |
| Source |
Isolated from Microcystis aeruginosa. |
Handling & Storage
| Use/Stability |
As indicated on product label or CoA when stored as recommended. Stock solutions are stable for up to 6 months when stored at -20°C. Unstable at pH > 7.7. |
|---|---|
| Handling |
For maximum product recovery after thawing, centrifuge the vial before opening the cap. |
| Long Term Storage |
-20°C |
| Shipping |
Ambient Temperature |
| Regulatory Status |
RUO – Research Use Only |
|---|
- MDM2 functions as a timer reporting the length of mitosis: Fulcher, L. J., Sobajima, T., et al.; Nat. Cell Biol. 27, 262 (2025), Abstract
- WIP1 mutations suppress DNA damage triggered bypass of the mitotic timer: Sobajima, T., Fulcher, L. J., et al.; EMBO J. 44, 4378 (2025), Abstract
- Identification of Serine-Containing Microcystins by UHPLC-MS/MS Using Thiol and Sulfoxide Derivatizations and Detection of Novel Neutral Losses: S.H. Premathilaka, et al.; Anal. Chem. 96, 775 (2024), Abstract
- Rapid and Easy Detection of Microcystin-LR Using a Bioactivated Multi-Walled Carbon Nanotube-Based Field-Effect Transistor Sensor: M. Lee, et al.; Biosensors 14, 37 (2024), Abstract
- Hepatotoxicity of cyanotoxin microcystin-LR in human: Insights into mechanisms of action in the 3D culture model Hepoid-HepaRG: R.R. Chowdhury, et al.; Environ. Pollut. 342, 123047 (2024), Abstract
- A potential patient stratification biomarker for Parkinson´s disease based on LRRK2 kinase-mediated centrosomal alterations in peripheral blood-derived cells: Naaldijk, Y., Fernández, B., et al.; NPJ Parkinsons Dis. 10, 12 (2024), Abstract
- Microcystin-leucine arginine induces the proliferation of cholangiocytes and cholangiocarcinoma cells through the activation of the Wnt/β-catenin signaling pathway: Kongsintaweesuk, S., Klungsaeng, S., et al.; Heliyon 10, e30104 (2024), Abstract
- The proximity-based protein interaction landscape of the transcription factor p65 NF-κB / RELA and its gene-regulatory logics: Leib, L., Juli, J., et al.; bioRxiv , (2024)
- Protocol for validating liquid-liquid phase separation as a driver of membraneless organelle assembly in vitro and in human cells: Hedtfeld, M., Musacchio, A., et al.; STAR Protoc. 5, 103410 (2024), Abstract
- De novo and salvage purine synthesis pathways across tissues and tumors: Tran, D. H., Kim, D., et al.; Cell 187, 3602 (2024), Abstract
- Adsorption behavior of polyamide microplastics as a vector of the cyanotoxin microcystin-LR in environmental freshwaters: N. Kim, et al.; J. Hazard. Mater. 446, 130683 (2023), Abstract
- Bioinspired polydopamine-mediated metal-organic framework click-grafting aptamers functionalized fabric for highly-specific recognition of microcystin-leucine arginine: Q. Xie, et al.; J. Chromatogr. A 1688, 463728 (2023), Abstract
- Characterization of Lipopolysaccharide Effects on LRRK2 Signaling in RAW Macrophages: A. Oun, et al.; Int. J. Mol. Sci. 24, 1644 (2023), Abstract
- Effect of metal cations on colloids-Microcystin-LR interaction: X. Hu, et al.; Bull. Environ. Contam. Toxicol. 111, 28 (2023), Abstract
- Novel one-point calibration strategy for high-throughput quantitation of microcystins in freshwater using LC-MS/MS: H. Zhang, et al.; Sci. Total Environ. 858, 159345 (2023), Abstract
- Potential oestrogenic effects (following the OECD test guideline 440) and thyroid dysfunction induced by pure cyanotoxins (microcystin-LR, cylindrospermopsin) in rats: A. Casas-Rodríguez, et al.; Environ. Res. 226, 115671 (2023), Abstract
- Elucidating microbial mechanisms of microcystin-LR degradation in Lake Erie beach sand through metabolomics and metatranscriptomics: C. Salter, et al.; Water Res. 247, 120816 (2023), Abstract
- In silico and in vitro evaluation of potential agonistic and antagonistic estrogenic and androgenic activities of pure cyanotoxins, microcystin-LR and cylindrospermopsin: A.C. Rodríguez, et al.; Ecotoxicol. Environ. Saf. 289, 117456 (2023), Abstract
- Nature-Based Solution to Eliminate Cyanotoxins in Water Using Biologically Enhanced Biochar: J. Moore, et al.; Environ. Sci. Technol. 57, 16372 (2023), Abstract
- A potential patient stratification biomarker for Parkinso’s disease based on LRRK2 kinase-mediated centrosomal alterations in peripheral blood-derived cells: Naaldijk, Y., Fernández, B., et al.; bioRxiv , (2023)
- Direct recruitment of Mis18 to interphase spindle pole bodies promotes CENP-A chromatin assembly: London, N., Medina-Pritchard, B., et al.; Curr. Biol. 33, 4187 (2023), Abstract
- Direct recruitment of Mis18 to interphase spindle poles promotes CENP-A chromatin assembly: London, N., Medina-Pritchard, B., et al.; bioRxiv , (2023)
- An Ultrasensitive and Universal Surface Plasmonic Biosensor for Detection of Micropollutants in Aquatic Environments: J. Tan, et al.; Environ. Sci. Technol. 57, 8313 (2023), Abstract
- Cyanotoxins Increase Cytotoxicity and Promote Nonalcoholic Fatty Liver Disease Progression by Enhancing Cell Steatosis: S. Niture, et al.; Toxins (Basel) 15, 411 (2023), Abstract
- A Summer of Cyanobacterial Blooms in Belgian Waterbodies: Microcystin Quantification and Molecular Characterizations: W.H.R. Van Hassel, et al.; Toxins 14, 61 (2022), Abstract
- Identification of Novel Microcystins Using High-Resolution MS and MSn with Python Code: D. Baliu-Rodriguez, et al.; Environ. Sci. Technol. 56, 1652 (2022), Abstract
- Cerium exposure in Lake Taihu water aggravates microcystin pollution via enhancing endocytosis of Microcystis aeruginosa: Q. Yang, et al.; Environ. Pollut. 292, 118308 (2022), Abstract
- Multiclass cyanotoxin analysis in reservoir waters: Tandem solid-phase extraction followed by zwitterionic hydrophilic interaction liquid chromatography-mass spectrometry: M.M. Aparicio-Muriana, et al.; Talanta 237, 122929 (2022), Abstract
- Adsorption of cyanotoxins on polypropylene and polyethylene terephthalate: Microplastics as vector of eight microcystin analogues: D.S. Moura, et al.; Environ. Pollut. 303, 119135 (2022), Abstract
- First Report on Microcystin-LR Occurrence in Water Reservoirs of Eastern Cuba, and Environmental Trigger Factors: J.C.R. Tito, et al.; Toxins (Basel) 14, 209 (2022), Abstract
- Higher sensitivity to hydrogen peroxide and light stress conditions of the microcystin producer Microcystis aeruginosa sp PCC7806 compared to non-producer strains: D. Latour, et al.; Harmful Algae 114, 102219 (2022), Abstract
- In Vitro Toxicity Evaluation of Cyanotoxins Cylindrospermopsin and Microcystin-LR on Human Kidney HEK293 Cells: L.D. Quijada, et al.; Toxins 14, 429 (2022), Abstract
- Crystal structure of human NADK2 reveals a dimeric organization and active site occlusion by lysine acetylation: C. Mary, et al.; Mol. Cell 82, 3299 (2022), Abstract
- Discovery of G2019S-selective leucine rich repeat protein kinase 2 inhibitors with in vivo efficacy: R.K. Lesniak, et al.; Eur. J. Med. Chem. 229, 114080 (2022), Abstract
- Microcystin-LR inhibits early pregnancy by impairing the vascular network of luteum: Involvement of the MEK/ERK/SP1/VEGFR2 axis: M. Guo, et al.; Food Chem. Toxicol. 170, 113454 (2022), Abstract
- mTORC1 regulates a lysosome-dependent adaptive shift in intracellular lipid species: A.M. Hosios, et al.; Nat. Metab. 4, 1792 (2022), Abstract
- Renoprotection of microcystin-RR in unilateral ureteral obstruction-induced renal fibrosis: targeting the PKM2-HIF-1α pathway: Y. Ren, et al.; Front. Pharmacol. 13, 830312 (2022), Abstract — Full Text
- LC-MS/MS Validation and Quantification of Cyanotoxins in Algal Food Supplements from the Belgium Market and Their Molecular Origins: W.H.R. Van Hassel, et al.; Toxins 14, 513 (2022), Abstract
- Unraveling the intestinal epithelial barrier in cyanotoxin microcystin-treated Caco-2 cell monolayers: J.L. Kaak , et al.; Ann. N. Y. Acad. Sci. 1516, 188 (2022), Abstract
- Health Risks of Chronic Exposure to Small Doses of Microcystins: An Integrative Metabolomic and Biochemical Study of Human Serum: J. He, et al.; Environ. Sci. Technol. 56, 6548 (2022), Abstract
- Microcystin-LR exposure enhances toxin-degrading capacity and reduces metabolic diversity of sediment microbial communities: Q. Ding, et al.; Environ. Pollut. 311, 119947 (2022), Abstract
- Environmental exposure to microcystin-LR increases the risks of urinary bladder proliferation and carcinogenesis: Evidence from case control, animal, and in vitro studies: C. Pan, et al.; Toxicology 480, 153326 (2022), Abstract
- Improving the Quantification of Cyanotoxins Using a Mass Balance-Based Effective Concentration-Equivalent Concentration Approach: A. Jia, et al.; Environ. Sci. Technol. 56, 14418 (2022), Abstract
- Microcystin-LR and cyanobacterial extracts alter the distribution of cell wall matrix components in rice root cells: D. Pappas, et al.; Plant Physiol. Biochem. 191, 78 (2022), Abstract
- A Feasibility Study into the Production of a Mussel Matrix Reference Material for the Cyanobacterial Toxins Microcystins and Nodularins: A.D. Turner, et al.; Toxins 15, 27 (2022), Abstract
- Confirmation Using Triple Quadrupole and High-Resolution Mass Spectrometry of a Fatal Canine Neurotoxicosis following Exposure to Anatoxins at an Inland Reservoir: A.D. Turner, et al.; Toxins 14, 804 (2022), Abstract
- Effect of cold food storage techniques on the contents of Microcystins and Cylindrospermopsin in leaves of spinach (Spinacia oleracea) and lettuce (Lactuca sativa): A.C. Rodríguez, et al.; Food Chem. Toxicol. 170, 113507 (2022), Abstract
- Microcystin-LR Detection in Freshwater Body by LC-MS/MS: Impediment for Water quality: Case study on Naharkhoran drinking water treatment plant: Halakoo, C., Emtyazjoo, M., et al.; Research Square , (2022)
- PKC isoforms activate LRRK1 kinase by phosphorylating conserved residues (Ser1064, Ser1074 and Thr1075) within the CORB GTPase domain: Malik, A. U., Karapetsas, A., et al.; Biochem. J. 479, 1941 (2022), Abstract
- PKC isoforms activate LRRK1 kinase by phosphorylating conserved residues (Ser1064, Ser1074 and Thr1075) within the CORsub>B/sub> GTPase domain: Malik, A. U., Karapetsas, A., et al.; bioRxiv , (2022)
- Chronic MC-LR exposure promoted Aβ and p-tau accumulation via regulating Akt/GSK-3β signal pathway: Y. Ma, et al.; Sci. Total Environ. 794, 148732 (2021), Abstract
- Energy-effective elimination of harmful microcystins by a non-thermal plasma process: H. Kim, et al.; Chemosphere 284, 131338 (2021), Abstract
- Impact of Type II LRRK2 inhibitors on signaling and mitophagy: A. Tasegian, et al.; Biochem. J. 478, 3555 (2021), Abstract — Full Text
- Mitochondrial NADP+ is essential for proline biosynthesis during cell growth: D.H. Tran, et al.; Nat. Metab. 3, 571 (2021), Abstract — Full Text
- Multibiomarker-based assessment of toxicity of central European strains of filamentous cyanobacteria Aphanizomenon gracile and Raphidiopsis raciborskii to zebrafish Danio rerio: H. Falfushynska, et al.; Water Res. 194, 116923 (2021), Abstract
- The mechanisms of mitochondrial dysfunction and glucose intake decrease induced by Microcystin-LR in ovarian granulosa cells: J. Zhu, et al.; Ecotoxicol. Environ. Saf. 212, 111931 (2021), Abstract
- A temporal Ca 2+-desensitization of myosin light chain kinase in phasic smooth muscles induced by CaMKKß/PP2A pathways: T. Kitazawa, et al.; Am. J. Physiol. Cell Physiol. 321, C549 (2021), Abstract
- Potential Impacts on Treated Water Quality of Recycling Dewatered Sludge Supernatant during Harmful Cyanobacterial Blooms: K. Pinkanjananavee, et al.; Toxins 13, 99 (2021), Abstract
- Degradation of Multiple Peptides by Microcystin-Degrader Paucibacter toxinivorans (2C20): A.A. Santos, et al.; Toxins (Basel) 13, 265 (2021), Abstract — Full Text
- Health risk assessment related to cyanotoxins exposure of a community living near Tri An Reservoir, Vietnam: T.A.D. Nguyen, et al.; Environ. Sci. Pollut. Res. Int. 28, 56079 (2021), Abstract
- Comparison of UV-A photolytic and UV/TiO 2 photocatalytic effects on Microcystis aeruginosa PCC7813 and four microcystin analogues: A pilot scale study: I. Menezes, et al.; J. Environ. Manage. 298, 113519 (2021), Abstract
- An ELISA-based Method for Variant-independent Detection of Total 3 Microcystins and Nodularins via Multi-immunogen Approach: J. Liu, et al.; Environ. Sci. Technol. 55, 12984 (2021), Abstract
- ULK1 phosphorylation of striatin activates protein phosphatase 2A and autophagy: Z. Hu, et al.; Cell Rep. 36, 109762 (2021), Abstract
- R1441G but not G2019S mutation enhances LRRK2 mediated Rab10 phosphorylation in human peripheral blood neutrophils: Y. Fan, et al.; Acta Neuropathol. 142, 475 (2021), Abstract — Full Text
- Influence of refrigeration and freezing in Microcystins and Cylindrospermopsin concentrations on fish muscle of tilapia (Oreochromis niloticus) and tench (Tinca tinca): L. Diez-Quijada, et al.; Food Chem. Toxicol. 158, 112673 (2021), Abstract
- Comparative Assessment of Physical and Chemical Cyanobacteria Cell Lysis Methods for Total Microcystin-LR Analysis: K.E. Greenstein, et al.; Toxins 13, 596 (2021), Abstract
- Selective interaction of microcystin congeners with zebrafish (Danio rerio) Oatp1d1 transporter: P. Marić, et al.; Chemosphere 283, 131155 (2021), Abstract
- Remediation Strategies to Control Toxic Cyanobacterial Blooms: Effects of Macrophyte Aqueous Extracts on Microcystis aeruginosa (Growth, Toxin Production and Oxidative Stress Response) and on Bacterial Ectoenzymatic Activities: Z. Tazart, et al.; Microorganisms 9, 1782 (2021), Abstract
- Development and field evaluation of the organic-diffusive gradients in thin-films (o-DGT) passive water sampler for microcystins: P. Wong, et al.; Chemosphere 287, 132079 (2021), Abstract
- Selective and easy detection of microcystin-LR in freshwater using a bioactivated sensor based on multiwalled carbon nanotubes on filter paper: M. Lee, et al.; Biosens. Bioelectron. 192, 113529 (2021), Abstract
- Impact of Type II LRRK2 inhibitors on signalling and mitophagy: Tasegian, A., Singh, F., et al.; bioRxiv , (2021)
- Multi-level inhibition of coronavirus replication by chemical ER stress: Shaban, M. S., Müller, C., et al.; Nat. Commun. 12, 5536 (2021), Abstract
- Distinct IL‐1α‐responsive enhancers promote acute and coordinated changes in chromatin topology in a hierarchical manner: S. Weiterer, et al.; EMBO J. 39, e101533 (2020), Abstract — Full Text
- Endogenous Rab29 does not impact basal or stimulated LRRK2 pathway activity: A.F. Kalogeropulou, et al.; Biochem. J. 477, 4397 (2020), Abstract — Full Text
- Exposure to aerosolized algal toxins in South Florida increases short- and long-term health risk in Drosophila model of aging: J. Hu, et al.; Toxins 12, 787 (2020), Abstract — Full Text
- In vitro activity assays to quantitatively assess the endogenous reversible oxidation state of protein tyrosine phosphatases in cells: A.D. Londhe, et al.; Curr. Protoc. Chem. Biol. 12, e84 (2020), Abstract — Full Text
- Kinetics of microcystin-LR removal in a real lake water by UV/H2O2 treatment and analysis of specific energy consumption: S. Sorlini, et al.; Toxins 12, 810 (2020), Abstract — Full Text
- Lateral flow immunoassay (LFIA) for the detection of lethal amatoxins from mushrooms: C.S. Beyer, et al.; PLoS One 15, E0231781 (2020), Abstract — Full Text
- Microcystin-leucine-arginine induced neurotoxicity by initiating mitochondrial fission in hippocampal neurons: C. Zhang, et al.; Sci. Total Environ. 703, 134702 (2020), Abstract
- Microcystins and Microcystis aeruginosa PCC7806 extracts modulate steroidogenesis differentially in the human H295R adrenal model: V. Mallia, et al.; PLoS One 15, 12 (2020), Abstract — Full Text
- Machine Learning Prediction of Cyanobacterial Toxin (Microcystin) Toxicodynamics in Humans: S. Altaner, et al.; ALTEX 37, 24 (2020), Abstract
- Inhibiting coronavirus replication in cultured cells by chemical ER stress: Shaban, M. S., Müller, C., et al.; bioRxiv , (2020)
- A rapid extraction method combined with a monoclonal antibody-based immunoassay for the detection of amatoxins: C.S. Beyer, et al.; Toxins 11, 724 (2019), Abstract — Full Text
- Dhb Microcystins Discovered in USA Using an Online Concentration LC-MS/MS Platform: J.A. Birbeck, et al.; Toxins (Basel) 11, 653 (2019), Abstract — Full Text
- Single-Cell Analysis of Multiple Steps of Dynamic NF-κB Regulation in Interleukin-1α-Triggered Tumor Cells Using Proximity Ligation Assays: C. Mayr-Buro, et al.; Cancers (Basel) 11, 1199 (2019), Abstract — Full Text
- PPM1H phosphatase counteracts LRRK2 signaling by selectively dephosphorylating Rab proteins: K. Berndsen, et al.; Elife 8, e50416 (2019), Abstract — Full Text
- Measuring the Kinase Activities of the LATS/NDR Protein Kinases: A. Hergovich; Methods Mol. Biol. 1893, 305 (2019), Abstract
- Learning and memory deficits and alzheimer’s disease-like changes in mice after chronic exposure to microcystin-LR: J. Wang, et al.; J. Hazard. Mater. 373, 504 (2019), Abstract
- Chronic exposure to microcystin-LR reduces thyroid hormone levels by activating p38/MAPK and MEK/ERK signal pathway: J. Chen, et al.; Ecotoxicol. Environ. Saf. 173, 142 (2019), Abstract
- Blood-brain barrier disruption and inflammation reaction in mice after chronic exposure to Microcystin-LR: J. Wang, et al.; Sci. Total Environ. 689, 662 (2019), Abstract
- The mechanism of Oatp1a5-mediated microcystin-leucine arginine entering into GnRH neurons: H. Jin, et al.; Ecotoxicol. Environ. Saf. 184, 109614 (2019), Abstract
- Microcystin-LR-Triggered Neuronal Toxicity in Whitefish Does Not Involve MiR124-3p: M. Florczyk, et al.; Neurotox. Res. 35, 29 (2019), Abstract — Full Text
- A new conjugation method used for the development of an immunoassay for the detection of amanitin, a deadly mushroom toxin: C.S. Beyer, et al.; Toxins 10, 265 (2018), Abstract — Full Text
- Development and single-laboratory validation of a UHPLC-MS/MS method for quantitation of microcystins and nodularin in natural water, cyanobacteria, shellfish and algal supplement tablet powders: A.D. Turner, et al.; J. Chromatogr. B Analyt. Technol. Biomed. Life Sci. 1074-1075, 111 (2018), Abstract
- Transgenerational effects of cyanobacterial toxins on a tropical micro-crustacean Daphnia lumholtzi across three generations: T.S. Dao, et al.; Environ. Pollut. 243, 791 (2018), Abstract
- A pathway for Parkinson’s Disease LRRK2 kinase to block primary cilia and Sonic hedgehog signaling in the brain: H.S. Dhekne, et al.; Elife 7, e40202 (2018), Abstract — Full Text
- Novel Microfluidic Analytical Sensing Platform for the Simultaneous Detection of Three Algal Toxins in Water: Maguire, I., Fitzgerald, J., et al.; ACS Omega 3, 6624 (2018), Abstract
- Are We Underestimating Benthic Cyanotoxins? Extensive Sampling Results from Spain: E. A. Cantoral Uriza, et al.; Toxins (Basel) 9, 385 (2017), Abstract — Full Text
- Electrochemical inactivation of Microcystis aeruginosa using BDD electrodes: Kinetic modeling of microcystins release and degradation: S. Zhou, et al.; J. Hazard. Mater. 346, 73 (2017), Abstract
- The role of IL-8/CXCR2 signaling in microcystin-LR triggered endothelial cell activation and increased vascular permeability: L. Chen, et al.; Chemosphere. 194, 43 (2017), Abstract
- Simple, high efficiency detection of microcystins and nodularin-R in water by fluorescence polarization immunoassay: H. Zhang, et al.; Anal. Chim. Acta 992, 119 (2017), Abstract
- mTORC1 suppresses PIM3 expression via miR-33 encoded by the SREBP loci: Kelsey, I., Zbinden, M., et al.; Sci. Rep. 7, 16112 (2017), Abstract
- Oxidative stress responses in the animal model, Daphnia pulex exposed to a natural bloom extract versus artificial cyanotoxin mixtures: M. Esterhuizen-Londt, et al.; Aquat. Toxicol. 179, 151 (2016), Abstract
- Selective cytotoxicity of microcystins LR, LW and LF in rat astrocytes: K. Bulc Rozman, et al.; Toxicol. Lett. 15, 1 (2016), Abstract
- Microcystin-LR promotes epithelial-mesenchymal transition in colorectal cancer cells through PI3-K/AKT and SMAD2: Y. Ren, et al.; Toxicol. Lett. 265, 53 (2016), Abstract
- Microcystin-LR causes sexual hormone disturbance in male rat by targeting gonadotropin-releasing hormone neurons: X. Wang, et al.; Toxicon. 123, 45 (2016), Application(s): Determining intraperitoneal (i.p.) lethal dose 50 in rats, Abstract
- Intraperitoneal exposure of whitefish to microcystin-LR induces rapid liver injury followed by regeneration and resilience to subsequent exposures: M. Wozny, et al.; Toxicol. Appl. Pharmacol. 313, 68 (2016), Application(s): Solution for fish maintenance, exposure, and collection of samples, Abstract
- Accumulation and detoxification dynamics of microcystin-LR and antioxidant responses in male red swamp crayfish Procambarus clarkii: J. Yuan, et al.; Aquatic Toxicology 177, 8 (2016), Application(s): MC-LR diffused into water with male crayfish, Abstract
- Cyanotoxins at low doses induce apoptosis and inflammatory effects in murine brain cells: potential implications for neurodegenerative diseases: L. Takser, et al.; Toxicol. Rep. 3, 180 (2016), Application(s): Cell culture, Abstract
- Molecular Insights into the Fungus-Specific Serine/Threonine Protein Phosphatase Z1 in Candida albicans: Chen, E., Choy, M. S., et al.; Mbio 7, (2016), Abstract
- Subacute Microcystin-LR Exposure Alters the Metabolism of Thyroid Hormones in Juvenile Zebrafish (Danio Rerio): Z. Liu, et al.; Toxins 7, 337 (2015), Application(s): MC-LR in aquarium water of Zebrafish, Abstract — Full Text
- Activity and Transcriptional Responses of Hepatopancreatic Biotransformation and Antioxidant Enzymes in the Oriental River Prawn Macrobrachium nipponense Exposed to Microcystin-LR: J. Yuan, et al.; Toxins 7, 4006 (2015), Application(s): Cell Culture, Abstract — Full Text
- Effects of Microcystin-LR Exposure on Spermiogenesis in Nematode Caenorhabditis elegans: Y. Li, et al.; Int. J. Mol. Sci. 16, 22927 (2015), Application(s): Cell Culture in nematodes, Abstract — Full Text
- Toxin Resistance in Aquatic Fungi Poses Environmentally Friendly Remediation Possibilities: A Study on the Growth Responses and Biosorption Potential of Mucor hiemalis EH5 against Cyanobacterial Toxins: E. Balsano, et al.; Int. J. Water Wastewater Treat. 1, (2015), Application(s): Cell Culture, Full Text
- Biodegradation of multiple microcystins and cylindrospermopsin in clarifier sludge and a drinking water source: Effects of particulate attached bacteria and phycocyanin: E. Maghsoudi, et al.; Ecotoxicol. Environ. Saf. 120, 409 (2015), Abstract
- Rapid and Sensitive Analysis of Microcystins using Ionic Liquid-based in situ Dispersive Liquid-Liquid Microextraction: H. Yu, et al.; J. Chromatogr. A 1406, 10 (2015), Application(s): Cell Culture, Abstract
- Roles of miRNAs in microcystin-LR-induced Sertoli cell toxicity: Y. Zhou, et al.; Toxicol. Appl. Pharmacol. 287, 1 (2015), Application(s): Cell Culture, Abstract
- Microcystin-LR altered mRNA and protein expression of endoplasmic reticulum stress signaling molecules related to hepatic lipid metabolism abnormalities in mice: W. Qin, et al.; Environ. Toxicol. Pharmacol. 40, 114 (2015), Application(s): Injection into mice, Abstract
- Naringin attenuates the cytotoxicity of hepatotoxin microcystin-LR by the curious mechanisms to OATP1B1- and OATP1B3-expressing cells: S. Takumi, et al.; Environ. Toxicol. Pharmacol. 39, 974 (2015), Application(s): Cell Culture, Abstract
- Role of nitric oxide in the genotoxic response to chronic microcystin-LR exposure in human-hamster hybrid cells: X. Wang, et al.; J. Environ. Sci. (China) 29, 210 (2015), Application(s): Cell Culture, Abstract
- MC-LR Exposure Leads to Subfertility of Female Mice and Induces Oxidative Stress in Granulosa Cells: Wu, J., Yuan, M., et al.; Toxins (Basel) 7, 5212 (2015), Abstract
- Reproductive toxicity on female mice induced by microcystin-LR: J. Wu, et al.; Environ. Toxicol. Pharmacol. 37, 1 (2013), Abstract
- Similar uptake profiles of microcystin-LR and-RR in an in vitro human intestinal model: P. Zeller, et al.; Toxicology 290, 7 (2011), Abstract
- Decline of sperm quality and testicular function in male mice during chronic low-dose exposure to microcystin-LR: Y. Chen, et al.; Reprod. Toxicol. 31, 551 (2011), Abstract
- Global Gene Expression Profiling in Larval Zebrafish Exposed to Microcystin-LR and Microcystis Reveals Endocrine Disrupting Effects of Cyanobacteria: E.D. Rogers, et al; Environ. Sci. Technol. 45, 1962 (2011), Abstract
- Investigation of microcystin congener-dependent uptake into primary murine neurons: D. Feurstein, et al.; Environ. Health Perspect. 118, 1370 (2010), Abstract — Full Text
- Analysis of dissolved microcystins in surface water samples from Kovada Lake, Turkey: F. Gurbuz, et al.; Sci. Total Environ. 407, 4038 (2009), Abstract
- Mitochondria a key role in microcystin-LR kidney intoxication: R. La-Salete, et al.; J. Appl. Toxicol. 28, 55 (2008), Abstract
- Assays of vacuole fusion resolve the stages of docking, lipid mixing, and content mixing: Jun, Y., Wickner, W., et al.; PNAS 104, 13010 (2007), Abstract
- Decrease in toxicity of microcystins LA and LR in drinking water by ozonation: S. Brooke, et al.; Toxicon. 48, 1054 (2006), Abstract
- Negative regulation of ERK and Elk by protein kinase B modulates c-Fos transcription: I. Galetic, et al.; J. Biol. Chem. 278, 4416 (2003), Abstract — Full Text
- The toxicology of microcystin-LR: occurrence, toxicokinetics, toxicodynamics, diagnosis and treatment: K. Bischoff; Vet. Hum. Toxicol. 43, 294 (2001), Review, Abstract
- Comparative toxicity of four microcystins of different hydrophobicities to the protozoan, Tetrahymena pyriformis: C.J. Ward & G.A. Codd; J. Appl. Microbiol. 86, 874 (1999), Abstract
- Unique features of the okadaic acid activity class of tumor promoters: H. Fujiki & M. Suganuma; J. Cancer Res. Clin. Oncol. 125, 150 (1999), Review, Abstract
- Microcystin uptake and inhibition of protein phosphatases: effects of chemoprotectants and self-inhibition in relation to known hepatic transporters: M. Runnegar, et al.; Toxicol. Appl. Pharmacol. 134, 264 (1995), Abstract
- Two significant aspects of microcystin-LR: specific binding and liver specificity: R. Nishiwaki, et al.; Cancer Lett. 83, 283 (1994), Abstract
- Protein phosphatase 2A is a specific protamine-kinase-inactivating phosphatase: G.D. Amick, et al.; Biochem. J. 287, 1019 (1992), Abstract
- Evidence for the regulation of exocytic transport by protein phosphorylation: H.W. Davidson, et al.; J. Cell. Biol. 116, 1343 (1992), Abstract
- Liver tumor promotion by the cyanobacterial cyclic peptide toxin microcystin-LR: R. Nishiwaki-Matsushima, et al.; J. Cancer Res. Clin. Oncol. 118, 420 (1992), Abstract
- Increased synthase phosphatase activity is responsible for the super-activation of glycogen synthase in hepatocytes from fasted obese Zucker rats: L. Lavoie, et al.; Endocrinology 129, 2674 (1991), Abstract
- Characterization of microcystin-LR, a potent inhibitor of type 1 and type 2A protein phosphatases: R.E. Honkanen, et al.; J. Biol. Chem. 265, 19401 (1990), Abstract — Full Text
- Cyanobacterial microcystin-LR is a potent and specific inhibitor of protein phosphatases 1 and 2A from both mammals and higher plants: C. MacKintosh, et al.; FEBS Lett. 264, 187 (1990), Abstract
- Nodularin, microcystin, and the configuration of Adda: K.L. Rinehart, et al.; JACS 110, 8557 (1988)
- Structural studies on cyanoginosins-LR, -YR, -YA, and -YM, peptide toxins from Microcystis aeruginosa: D.P. Botes, et al.; J. Chem. Soc., Perkin Trans. 1 1985, 2747 (1985), Abstract
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