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MilliporeSigma

P1742

Sigma-Aldrich

Prealbumin from human plasma

lyophilized powder

Synonym(s):

Thyroxine binding prealbumin, Transthyretin

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$300.00
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$520.00
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About This Item

CAS Number:
MDL number:
UNSPSC Code:
12352202
NACRES:
NA.25

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biological source

human plasma

Quality Level

assay

≥95% (SDS-PAGE)

form

lyophilized powder

technique(s)

immunoelectrophoresis: suitable
immunoprecipitation (IP): suitable

impurities

Infectious agents, tested

solubility

H2O: soluble 1 mg/mL

ε (extinction coefficient)

13.5 at 280 nm at 1%

UniProt accession no.

storage temp.

−20°C

Gene Information

human ... TTR(7276)

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1 of 4

This Item
A1887A8849G9885
assay

≥95% (SDS-PAGE)

assay

≥96% (agarose gel electrophoresis)

assay

-

assay

≥99% (agarose gel electrophoresis)

technique(s)

immunoelectrophoresis: suitable, immunoprecipitation (IP): suitable

technique(s)

ELISA: suitable, tissue culture: suitable, western blot: suitable

technique(s)

-

technique(s)

ELISA: suitable

biological source

human plasma

biological source

human

biological source

human plasma

biological source

human plasma

Quality Level

200

Quality Level

300

Quality Level

200

Quality Level

200

form

lyophilized powder

form

lyophilized powder

form

lyophilized powder

form

powder

impurities

Infectious agents, tested

impurities

HIV I and HIVII, HCV and HBsAg, tested negative, ≤0.007% Fatty Acids

impurities

-

impurities

HIV-1/HIV-2, HCV and hepatitis B antigen, tested negative

General description

Human prealbumin is a product of chromosome 18. It is a serum protein, synthesized primarily in the liver.[1] It is a tetrameric protein with a molecular weight of 55 kDa. Human prealbumin is composed of four identical non-covalently bound monomers of 127 amino acid residues arranged with tetrahedral symmetry.[2]

Application

Human prealbumin was used to study reduced transthyretin expression in sera of lung cancer.[3]
Prealbumin from human plasma has been used as a positive control in immunoprecipitation[4] as a reference standard in quantitative rocket immunoelectrophoresis for quantification of cerebrospinal fluid.[5]

Biochem/physiol Actions

Human prealbumin has been observed in carcinoid tumors.[1]
Prealbumin levels are indictors of malnutrition and may be modulated during inflammation.[6] It is regarded as potential marker of protein energy malnutrition (PEM) during chronic kidney failure supported dialysis.[7] Low levels of prealbumin poses high risk to heart failure (HF).[8]

Packaging

Package size based on protein content

Physical form

Lyophilized powder containing sodium phosphate and NaCl

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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David Adams et al.
Presse medicale (Paris, France : 1983), 41(9 Pt 1), 793-806 (2012-02-22)
The treatment of familial amyloid polyneuropathies (FAP) is complex and requires a neurological and cardiological multidisciplinary coverage. It includes specific treatments to control the progression of the systemic amyloidogenesis, the symptomatic treatment of the peripheral and autonomic neuropathy (digestive, urinary
J P Hegmann
Behavior genetics, 9(3), 165-175 (1979-05-01)
Behavioral and physiological scores from 697 mice sampled from lines at various times during their response to bidirectional selection for divergent caudal nerve conduction velocity suggest broad-reaching behavioral effects of the gene differences among lines. Sciatic nerve conduction velocity differences
J Figueras et al.
Medicina clinica, 116(10), 377-379 (2001-05-03)
Domino or sequential liver transplantation (DTXL) is a kind of living donor transplant, which was proposed in 1993 and performed for the first time in 1995; later on, more than 45 have been reported. The liver from a patient with
Minori Kodaira et al.
Amyloid : the international journal of experimental and clinical investigation : the official journal of the International Society of Amyloidosis, 18(1), 10-18 (2011-01-26)
The process of deterioration of peripheral nerve function in familial amyloid polyneuropathy (FAP) with amyloidogenic transthyretin (ATTR) Val30Met has not been systematically evaluated hitherto. We performed nerve conduction studies in 69 patients with FAP with ATTR Val30Met from one of
K Tashima et al.
Journal of the neurological sciences, 171(1), 19-23 (1999-11-24)
Since 1990, liver transplantation for familial amyloidotic polyneuropathy (FAP) has been carried out world-wide, and the outcome of the procedure seems to be promising. FAP is inherited systemic disease caused by mutated transthyretin. The most common cause is the valine

Questions

1–6 of 6 Questions  
  1. How long does prealbumin from human plasma (product P1742) remain stable after being dissolved in water, and at what temperature should this solution be stored?

    1 answer
    1. Stock solutions are stable for up to 2 weeks when stored refrigerated at 4°C and up to 6 months when stored in aliquots at -20°C. Avoid repeated freeze/thaw cycles.

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  2. What is the molecular weight of Product P1742, Prealbumin from human plasma?

    1 answer
    1. The molecular weight has been reported to be 54,980 Daltons. Referece: The Plasma Proteins, 2nd edition (1975) p. 60.

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  3. What is the volume from which Product P1742, Prealbumin from human plasma, is lyophilized from?

    1 answer
    1. The starting volume is lot specific. Please contact Technical Service to obtain the exact volume of your lot of interest.

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  4. What is the Department of Transportation shipping information for this product?

    1 answer
    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

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  5. What is the purity of Product P1742, Prealbumin from human plasma?

    1 answer
    1. Information about purity can be found on the lot specific certificate of analysis.

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  6. What is the solubility of Product P1742, Prealbumin from human plasma?

    1 answer
    1. This product is soluble in water at 1mg/mL.

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