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H4272

Sigma-Aldrich

Hyaluronidase from bovine testes

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

Synonim(y):

Hyaluronate 4-glycanohydrolase, Hyaluronoglucosaminidase

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About This Item

Numer CAS:
37326-33-3
Numer EC enzymu:
3.2.1.35 (BRENDA, IUBMB)
Numer WE:
253-464-3
Numer MDL:
MFCD00131351
Kod UNSPSC:
12352204
NACRES:
NA.75

sterylność

aseptically processed

Poziom jakości

200

typ

Type IV-S

Postać

powder

aktywność właściwa

750-3000 units/mg solid

masa cząsteczkowa

~55 kDa (four subunits of 14 kDa each)

skład

Protein, 80-105% biuret

metody

cell culture | embryo: suitable

temp. przechowywania

−20°C

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Zastosowanie

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.

Działania biochem./fizjol.

Hyaluronidase degrades hyaluronan and has been found to be inappropriately regulated during cancer progression.
These enzymes randomly cleave β-N-acetylhexosamine-[1→4] glycosidic bonds in hyaluronic acid, chondroitin, and chondroitin sulfates.

Definicja jednostki

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).

Uwaga dotycząca przygotowania

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.
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Piktogramy

Health hazard
GHS08

Hasło ostrzegawcze

Danger

Zwroty wskazujące rodzaj zagrożenia

H334

Zwroty wskazujące środki ostrożności

P261 - P284 - P501

Klasyfikacja zagrożeń

Resp. Sens. 1

Kod klasy składowania

11 - Combustible Solids

Klasa zagrożenia wodnego (WGK)

WGK 3

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

Środki ochrony indywidualnej

Eyeshields, Gloves, type N95 (US)

Certyfikaty analizy (CoA)

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Dokumenty związane z niedawno zakupionymi produktami zostały zamieszczone w Bibliotece dokumentów.

Odwiedź Bibliotekę dokumentów

Liesl Jacobs et al.
Molecular therapy : the journal of the American Society of Gene Therapy, 28(4), 1068-1077 (2020-02-27)
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
Yu Shi et al.
Nature communications, 8(1), 2043-2043 (2017-12-13)
Bone formation in mammals requires continuous production of osteoblasts throughout life. A common molecular marker for all osteogenic mesenchymal progenitors has not been identified. Here, by lineage-tracing experiments in fetal or postnatal mice, we discover that Gli1
Wan Kin Au Yeung et al.
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
Marco Ragusa et al.
RNA biology, 16(9), 1237-1248 (2019-05-29)
Circular RNAs (circRNAs) have a critical role in the control of gene expression. Their function in spermatozoa (SPZ) is unknown to date. Twenty-eight genes, involved in SPZ/testicular and epididymal physiology, were given in circBase database to find which of them
P Lorenzo Bozzelli et al.
Experimental neurology, 323, 113077-113077 (2019-11-05)
HIV-associated neurocognitive disorders (HAND) continue to persist despite effective control of viral replication. Although the mechanisms underlying HAND are poorly understood, recent attention has focused on altered neuronal population activity as a correlate of impaired cognition. However, while alterations in
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Protokoły

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