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H4272

Sigma-Aldrich

Hialuronidasa from bovine testes

Type IV-S, powder, suitable for mouse embryo cell culture, 750-3000 units/mg solid

Sinónimos:

Hialuronato 4-glucanohidrolasa, Hialuronoglucosaminidasa

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About This Item

Número de CAS:
37326-33-3
Comisión internacional de enzimas:
3.2.1.35 (BRENDA, IUBMB)
EC Number:
253-464-3
MDL number:
MFCD00131351
UNSPSC Code:
12352204
NACRES:
NA.75

sterility

aseptically processed

Quality Level

200

type

Type IV-S

form

powder

specific activity

750-3000 units/mg solid

mol wt

~55 kDa (four subunits of 14 kDa each)

composition

Protein, 80-105% biuret

technique(s)

cell culture | embryo: suitable

storage temp.

−20°C

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Application

Hyaluronidase is an enzyme derived from bovine testes. It is used to remove the cumulus mass in the isolation of mouse embryos or from newly ovulated eggs, when preparing the eggs for in vitro culture.

Gonadotropins are used to superovulate 20 female mice. The mice are then mated and preimplantation stage embryos are retrieved and counted. The embryos are treated with hyaluronidase until the cumulus mass is dissociated from the embryos. The embryos are cultured, viewed daily and progress of the embryos is recorded.

Biochem/physiol Actions

Estas enzimas rompen aleatoriamente los enlaces glucosídicos β-N-acetilhexosamina [1→4] del ácido hialurónico, la condroitina y los sulfatos de condroitina.
La hialuronidasa degrada el hialuronano y se ha observado que su regulación no es apropiada durante la progresión del cáncer.

Unit Definition

One unit will degrade 0.75 μg of the polysaccharide hyaluronic acid per minute at pH 5.35 at 37 ºC (as measured by turbidimetric absorbance (λ: 600nm) when complexed with BSA after 45 minutes).

Preparation Note

Reconstitute 1 vial of hyaluronidase with 3 ml of M2 Medium (Product Nos. M 7167 or M 5910) or deionized water to obtain a 10 mg/ml stock solution. Dilute stock solution with M2 Medium to obtain a final working concentration of approximately 300 μg/ml.

Optional

Referencia del producto
Descripción
Precios

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H334

Hazard Classifications

Resp. Sens. 1

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)

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Protocolos

Enzymatic Assay of Hyaluronidase (3.2.1.35)

To measure hyaluronidase activity, a turbidimetric determination assay is used at 600 nm. One unit of hyaluronidase activity will cause a change in absorbance of 0.330 per minute at pH 5.35 at 37 °C.

Enzymatic Assay of Hyaluronidase (3.2.1.35)

To measure hyaluronidase activity, a turbidimetric determination assay is used at 600 nm. One unit of hyaluronidase activity will cause a change in absorbance of 0.330 per minute at pH 5.35 at 37 °C.

Enzymatic Assay of Hyaluronidase (3.2.1.35)

To measure hyaluronidase activity, a turbidimetric determination assay is used at 600 nm. One unit of hyaluronidase activity will cause a change in absorbance of 0.330 per minute at pH 5.35 at 37 °C.

Enzymatic Assay of Hyaluronidase (3.2.1.35)

To measure hyaluronidase activity, a turbidimetric determination assay is used at 600 nm. One unit of hyaluronidase activity will cause a change in absorbance of 0.330 per minute at pH 5.35 at 37 °C.

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