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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)
Número CE:
253-464-3
Número MDL:
MFCD00131351
Código UNSPSC:
12352204
NACRES:
NA.75

esterilidad

aseptically processed

Nivel de calidad

200

tpo

Type IV-S

formulario

powder

actividad específica

750-3000 units/mg solid

mol peso

~55 kDa (four subunits of 14 kDa each)

composición

Protein, 80-105% biuret

técnicas

cell culture | embryo: suitable

temp. de almacenamiento

−20°C

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Aplicación

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.

Acciones bioquímicas o fisiológicas

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.

Definición de unidad

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).

Nota de preparación

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.

Opcional

Referencia del producto
Descripción
Precios

Pictogramas

Health hazard
GHS08

Palabra de señalización

Danger

Frases de peligro

H334

Consejos de prudencia

P261 - P284 - P501

Clasificaciones de peligro

Resp. Sens. 1

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

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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Checkpoint-inhibiting antibodies elicit impressive clinical responses, but still face several issues. The current study evaluated whether DNA-based delivery can broaden the application of checkpoint inhibitors, specifically by pursuing cost-efficient in vivo production, facilitating combination therapies, and exploring administration routes that lower
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Cell reports, 27(1), 282-293 (2019-04-04)
Mammalian histone methyltransferase G9a (also called EHMT2) deposits H3K9me2 on chromatin and is essential for postimplantation development. However, its role in oogenesis and preimplantation development remains poorly understood. We show that H3K9me2-enriched chromatin domains in mouse oocytes are generally depleted
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