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M7167

Sigma-Aldrich

M2 medium

With HEPES, without penicillin and streptomycin, liquid, sterile-filtered, suitable for mouse embryo cell culture

Synonym(s):

Cell Culture M2, Cell Culture Medium, M2 Medium Solution

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About This Item

MDL number:
MFCD00283761
UNSPSC Code:
12352207
NACRES:
NA.75

sterility

sterile-filtered

form

liquid

storage condition

protect from light

technique(s)

cell culture | embryo: suitable

impurities

endotoxin, tested

components

HEPES: 5.42726 g/L
NaHCO3: 0.35 g/L
glucose: 1.0 g/L (Dextro)
phenol red: 0.0106 g/L
sodium pyruvate: 0.0363 g/L

shipped in

ambient

storage temp.

2-8°C

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Application

Recommended for manipulation of mouse embryos at ambient temperature. M2 and M16 Medium are common media for in vitro culture of preimplantation stage embryos. It is a modified Krebs-Ringer bicarbonate solution, which is very similar to Whitten′s Medium. M16 contains pyruvate and lactate as energy sources since preimplantation embryos do not utilize glucose efficiently.

M2 Medium is a further modification of M16 that substitutes HEPES buffer in place of some of the bicarbonate. M2 is used for collecting and handling embryos for prolonged periods outside a CO2 incubator.

Quality

Presence of particulates in solution will not affect product′s performance.

Reconstitution

Supplement with 0.06 g/L potassium penicillin-G and 0.05 g/L streptomycin sulfate.

Analysis Note

This product is tested for its ability to support the development of one-cell mouse embryos to expanded blastocysts. Minimum requirement is 80% development to blastocyst.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Maryse Lessard et al.
Scientific reports, 9(1), 13829-13829 (2019-09-27)
The paternal environment is thought to influence sperm quality and future progeny may also be impacted. We hypothesized that prenatal exposure to environmentally-relevant contaminants impairs male reproduction, altering embryo gene expression over multiple generations. Folic acid (FA) can improve sperm
Yi-Wen Xu et al.
Journal of cell science, 130(19), 3297-3307 (2017-08-19)
Precise regulation of DNA replication and genome integrity is crucial for gametogenesis and early embryogenesis. Cullin ring-finger ubiquitin ligase 4 (CRL4) has multiple functions in the maintenance of germ cell survival, oocyte meiotic maturation, and maternal-zygotic transition in mammals. DDB1-cullin-4-associated
Keisuke Yoshida et al.
Nature communications, 9(1), 3885-3885 (2018-09-27)
The majority of histones are replaced by protamines during spermatogenesis, but small amounts are retained in mammalian spermatozoa. Since nucleosomes in spermatozoa influence epigenetic inheritance, it is important to know how histones are distributed in the sperm genome. Conflicting data
Tao Fu et al.
FEBS letters, 593(15), 2040-2050 (2019-06-04)
Oncostatin M (OSM) is a member of the interleukin-6 (IL-6) family, which functions in embryo implantation and decidualization. The expression, function and regulation of Osm in mouse uteri during early pregnancy remain unknown. We show that Osm is mainly expressed
Hannah T Stuart et al.
Cell stem cell, 25(3), 388-406 (2019-08-20)
Understanding how cell identity transitions occur and whether there are multiple paths between the same beginning and end states are questions of wide interest. Here we show that acquisition of naive pluripotency can follow transcriptionally and mechanistically distinct routes. Starting
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