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Human alpha Synuclein protein (active, Pre-Formed Fibrils)

Human alpha Synuclein protein (active, Pre-Formed Fibrils). GTX17669-pro
Human alpha Synuclein protein (active, Pre-Formed Fibrils). GTX17669-pro
Human alpha Synuclein protein (active, Pre-Formed Fibrils). GTX17669-pro
Human alpha Synuclein protein (active, Pre-Formed Fibrils). GTX17669-pro
Human alpha Synuclein protein (active, Pre-Formed Fibrils). GTX17669-pro
Human alpha Synuclein protein (active, Pre-Formed Fibrils). GTX17669-pro
Human alpha Synuclein protein (active, Pre-Formed Fibrils). GTX17669-pro

Cat No. GTX17669-pro

Application

Functional Assay

Species

Human
Package
200 μg ($509),
100 μg ($369)
PRODUCT

Summary

Active Human Recombinant Alpha Synuclein Pre-formed Fibrils (Type 1)

APPLICATION

Application Note

Endogenous alpha-synuclein phosphorylation. 100 μM alpha synuclein protein monomer (GTX17668-pro) seeded with 10 nM alpha synuclein protein PFF (GTX17669-pro) in 25 μM Thioflavin T (PBS pH 7.4, 100 μl reaction volume) generated a fluorescence intensity of 13,000 Relative Fluorescence Units after incubation at 37ºC with shaking at 600 rpm. Fluorescence was measured by excitation at 450 nm and emission at 485 nm on a Molecular Devices Gemini XPS microplate reader.

PROPERTIES

Form

Liquid

Buffer

PBS

Storage

Store as concentrated solution. Aliquot and store at -20ºC or below. Avoid freeze-thaw cycles.

Concentration

batch dependent (Please refer to the vial label for the specific concentration.)

Region/Sequence

Full-length without tagged; MDVFMKGLSK AKEGVVAAAE KTKQGVAEAA GKTKEGVLYV GSKTKEGVVH GVATVAEKTK EQVTNVGGAV VTGVTAVAQK TVEGAGSIAA ATGFVKKDQL GKNEEGAPQE GILEDMPVDP DNEAYEMPSE EGYQDYEPEA

Expression System

E. coli

Purification

Purified by ion-exchange chromatography

Purity

> 95% by SDS-PAGE

Conjugation

Unconjugated

Note

For laboratory use only. Not for any clinical, therapeutic, or diagnostic use in humans or animals. Not for animal or human consumption.

TARGET

DATA IMAGES

Human alpha Synuclein protein (active, Pre-Formed Fibrils). GTX17669-pro

GTX17669-pro Functional Assay Image

Primary rat hippocampal neurons show lewy body inclusion formation when treated with active Alpha Synuclein Protein Preformed Fibrils (GTX17669-pro) at 4 μg/ml (D-F), but not when treated with control Alpha Synuclein Protein Preformed Fibrils (GTX17667-pro) at 4 μg/ml (A-C).
Tissue: Primary hippocampal neurons. Species: Sprague-Dawley rat. Fixation: 4% formaldehyde from PFA. Primary Antibody: Mouse anti-pSer129 Antibody at 1:1000 24 hours at 4ºC. Secondary Antibody: FITC Goat Anti-Mouse (green) at 1:700 for 1 hours at RT. Counterstain: Hoechst (blue) nuclear stain at 1:4000 for 1 hour at RT. Localization: Lewy body inclusions. Magnification: 20x.

Human alpha Synuclein protein (active, Pre-Formed Fibrils). GTX17669-pro

GTX17669-pro Functional Assay Image

Immunohistochemistry analysis of rat brain injected with active human alpha synuclein PFFs (GTX17669-pro). Species: Female Sprague-Dawley Rat. Rat was injected with 2μL active human alpha synuclein PFFs (GTX17669-pro) in each of 2 injection sites: AP+1.6, ML+2.4, DV-4.2 from skull; and AP-1.4, ML+0.2, DV-2.8 from skull. 30-days post-injection. Fixation: Saline perfusion followed by 4% PFA fixation for 48 hrs. Secondary Antibody: Biotin-SP Donkey Anti-Rabbit IgG (H+L) at 1:500 for 2 hours in cold room with shaking. ABC signal amplification, DAB staining. Magnification: 20X. Alpha synuclein pathology is seen in the striatum close to an injection site.

Human alpha Synuclein protein (active, Pre-Formed Fibrils). GTX17669-pro

GTX17669-pro Image

Active alpha synuclein preformed fibrils (GTX17669-pro) seed the formation of new alpha synuclein fibrils from the pool of alpha synuclein monomers (GTX17668-pro). Thioflavin T is a fluorescent dye that binds to beta sheet-rich structures, such as those in alpha synuclein fibrils. Upon binding, the emission spectrum of the dye experiences a red-shift, and increased fluorescence intensity. Thioflavin T emission curves show increased fluorescence (correlated to alpha synuclein protein aggregation) over time when 10 nM of active alpha synuclein preformed fibrils (GTX17669-pro) is combined with 100 μM of alpha synuclein monomer (GTX17668-pro), as compared to active alpha synuclein preformed fibrils (GTX17669-pro) alone and alpha synuclein monomer (GTX17668-pro) alone. Thioflavin T ex = 450 nm, em = 485 nm.

Human alpha Synuclein protein (active, Pre-Formed Fibrils). GTX17669-pro

GTX17669-pro Image

TEM of active human alpha synuclein preformed fibrils (GTX17669-pro). Fibrils were sonicated and treated with uranyl acetate. Top: 50kx magnification. Bottom: 100kx magnification.

Human alpha Synuclein protein (active, Pre-Formed Fibrils). GTX17669-pro

GTX17669-pro Image

TEM of active human alpha synuclein preformed fibrils (GTX17669-pro) (top) and control human alpha synuclein preformed fibrils (GTX17667-pro) (bottom). Fibrils were sonicated and treated with uranyl acetate. The active fibrils are shorter than the control fibrils.

Human alpha Synuclein protein (active, Pre-Formed Fibrils). GTX17669-pro

GTX17669-pro Image

TEM of active human alpha synuclein preformed fibrils (GTX17669-pro) (top) and control human alpha synuclein preformed fibrils (GTX17667-pro) (bottom). Fibrils were sonicated and treated with uranyl acetate. The active fibrils are shorter than the control fibrils.

Human alpha Synuclein protein (active, Pre-Formed Fibrils). GTX17669-pro

GTX17669-pro Image

SDS-PAGE of ~14 kDa active Human Recombinant Alpha Synuclein Protein Preformed Fibrils (GTX17669-pro). Lane 1: Molecular Weight Ladder (MW). Lane 2: active Alpha Synuclein Protein Preformed Fibrils (GTX17669-pro).

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REVIEW

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Package List Price ($)
$ 509
$ 369