Comparison

Assisted reproductive technologies

 

Introduction

In recent years, the number of genetically engineered mice being produced has increased dramatically. Moreover, the rapid progress in the development of genome-editing (TALEN and CRISPR/Cas9) techniques for molecular biology reserach has been remarkable, so much so that a genetically engineered mouse strain can be produced easily in a few months. Production has been supported by reproductive engineering techniques such as In vitro fertilisation, embryo and sperm cryopreservation and embryo transfer techniques. Such techniques have become invaluable peripheral technologies and their use is expanding rapidly. 

Fig. 1: Lebenszyklus einer Maus bei Nutzung von FERTIUP® und CARD MEDIUM®

Overview

To support your research we offer several reagents and disposable items (general labware) for In vitro fertilisation, In vitro culture, cryopreservation and In vitro manipulation.

CARD MEDIUM® and FERTIUP®

Sperm cryopreservation is a practical and cost-effective method of archiving mouse strains in the laboratory. FERTIUP® and CARD MEDIUM® are high-performance media for mouse sperm cryopreservation, sperm preincubation and In vitro fertilization (IVF). 


When used in combination, FERTIUP® and CARD MEDIUM® provide a high and stable fertilization rate using frozen-thawed mouse sperm. This will allow you to reproduce mice whenever you need them.
The FERTIUP® sperm cryoprotectant and sperm preincubation medium greatly improve fertilization rates of frozen-thawed sperm in C57BL/6 and 129 Mice strains, from less than 10% (using conventional methods) to more than 30%. 
In addition, CARD MEDIUM® enhances the fertility rate to over 80%. FERTIUP® and CARD MEDIUM® have no reproduction toxicity of any kind. 


The newly developed system for sperm cryopreservation and IVF using FERTIUP® and CARD MEDIUM® provides superior support for the safe and reliable preservation of your valuable mouse strains.

No.StrainsMethodNumber of
oocytet donors
Number of
inseminated oocytes
Average number of
ovulated oocytes/female
No. of
fertilized eggs
Fertilization rate (%)
1 C57BL/6J eCG
Product
10
10
270
1072
27.7±5.4
107.2±22.7
267
963
96.4±3.2
89.8±3.7
2 BALB/c ByJ eCG
Product
10
10
293
903
29.3±8.9
90.3±14.5
213
680
73.4±11.3
76.4±9.0
3 C3H/HeJ eCG
Product
10
10
286
520
28.6±8.4
52.0±18.1
251
446
87.8±22.6
85.8±15.5
4 DBA/2J eCG
Product
10
10
225
688
22.5±7.8
68.8±13.6
194
592
86.2±11.0
86.0±4.5
5 FVB/NJ eCG
Product
10
10
168
256
16.8±3.3
25.6±5.9
159
239
94.6±6.7
93.3±6.6
6 CD1 eCG
Product
10
10
202
337
20.2±8.0
33.7±9.9
146
269
72.3±16.0
79.8±19.6

Fig. 2:

  • 7.5 IU of CARD HyperOva® or PMSG was injected to four weeks old female mice, then 7.5 IU of hCG was administered 48 hours later.
    Thereafter all ova obtained 17 hours after the hCG injection were collected.
  • The In vitro fertilization rate is defined as the number of 2-cell embryos divided by the total number of ova (mean±SD).
  • Data cited from a paper published by Prof. Naomi Nakagata and Toru Takeo (Center for Animal Resources and development, Kumamoto University)
Fig. 3: Fertilization rates using FERTIUP® Preincubation Medium and CARD MEDIUM® for fresh and frozen sperm in various strains.
Fig. 4: Fertilization rates using frozen-thawed sperm with FERTIUP® and with FERTIUP® and CARD MEDIUM®

CARD HyperOva® the superovulation reagent

Reduction in experimental animal use (Contribution to 3Rs):
Using CARD HyperOva® enables us to reduce the number of female mice used for ovum collection by 25 - 30 %.

Optimization of genetically modified mouse creation and preservation:
More ova can be obtained from less female mice using CARD HyperOva® than following the conventional method, which will facilitate In vitro fertilization and embryo transfer.

Application to valuable genetically modified mice:
Using CARD HyperOva® on your valuable genetically modified mice enables you to obtain a lot of ova from small number of females, thus enabling the large-scale preparation of embryos.

Periphere products

Additionally to reagents regarding reproductive engineering techniques we offer several instruments. For example a transportation kit for the cauda epididymides or straws to execute In vitro fertilisation steps.

Simplified overview: Reagents for In vitro Fertilization

Besides the regular labware necessary for the mouse in vitro Fertilization, the following sections should help you determine the necessray volumes for your experiments.

Soperovulation using PMSG

Soperovulation is induced by the intraperitoneal injection of 7.5 IU of pregnant mare's serum gonadotropin (PMSG) into each mature female mouse (8 - 12 weeks old).

PMSG is usually administered during the light cycle between hours of 14:00 and 18:00.

48 - 52 hours later, human chorionic gonadotropin (hCG) is injected intraperitoneal.

Ultra-Soperovulation using CARD HyperOva

Soperovulation is induced by the intraperitoneal injection of 0.1 - 0.2 mL of CARD HyperOva into a 26 - 30 day old female mouse (counting date of birth as day 0).

CARD HyperOva is usually administered during the light cycle between hours of 17:00 and 18:00.

48 hours later, 7.5 IU human chorionic gonadotropin (hCG) is injected intraperitoneal.

Preparation of Dishes

General dish preparation

Put some medium on a dish using a micropippete.

Pour liquid paraffin into the dish.

Cover the medium drop with liquid paraffin.

Sperm dish - FERTIUP Preincubation Medium (PM)

1 drop (100 µl / drop) of FERTIUP (PM) is put into a dish and covered with liquid paraffin 30 minutes before collecting sperm.

Subsequently, the dish is placed in an incubator.

Fertilization dish - CARD MEDIUM

1 drop (200 µl / drop per 2 oviducts) of CARD MEDIUM is put into a dish and covered with liquid paraffin 10 minutes before collecting oocytes.

Subsequently, the dish is placed in an incubator.

Note: There are three different methos of preparing CARD MEDIUM, depending on whether in vitro fertilization will be carried out using fresh, frozen-thawed or cold-temperature transported spermatozoa. Please contact us for the CARD MEDIUM instruction manual.

Washing dish - mHTF

4 individual drops (80 µl / drop) of mHTF are put into a dish and covered with liquid paraffin.

Subsequently, the dish is placed in an incubator for at least 30 min.

Cryopreservation of Mouse Spermatozoa in FERTIUP

Preparation of Sperm Suspension - FERTIUP Cryoprotectant (CPA)

1 drop (60 µl / drop) of FERTIUP CPA is put into a 35 mm dish and covered with liquid paraffin.

Add a 60 µl aliquot of the same solution to the drop (final volume: 120 µL) to make a tall, semispherical drop.

Lateer, 10 µL of the Sperm Suspension will be aspirated into a freezin straw.

Preparation of Freezing Straw Containing Sperm Suspension

Loading 100 µL of HTF into the straw prevents the straw from floating on the surface of liquid nitrogen.

In vitro Fertilization using Spermatozoa Cryopreserved in FERTIUP

1 drop (90 µl / drop) of FERTIUP (PM) is put into a dish and covered with liquid paraffin 30 minutes before thawing a frozen straw.

Subsequently, the dish is placed in an incubator (37°C, 5% CO2 in air).

Preparation of Dishes for Fertilization and Washing

1 drop (90 µl / drop per up to 4-6 cumulus-oocytes-complexes (COCs)) of CARD MEDIUM is put into a dish and covered with liquid paraffin 10 minutes before collecting oocytes.

Subsequently, the dish is placed in an incubator (37°C, 5% CO2 in air) for at least 30 minutes.

4 individual drops (80 µl / drop) of HTF are put into a dish and covered with liquid paraffin.

Subsequently, the dish is placed in an incubator (37°C, 5% CO2 in air) for at least 30 min.

Table 2: Overview of the different set and kit components. Please carefully read the manufacturers instructions for determining the right volumes.

Set / Component (Necessary per Fertilization) CARD HyperOva
(0.1 - 0.2 mL per mouse)
FERTIUP CPA
(60 µL)
FERTIUP PM
(100 µL)
(90 µL for cryopreserved spermatozoa)
CARD MEDIUM
(200 µL per 2 oviducts)
(90 µL for 4-6 cumulus-oocytes-complexes)
mHTF
(4 x 80 µL)
Not present in any set or kit
KYD-004-EX 1 ml 1 Kit (approx. 1.5 mL)
KYD-005-EX 0.5 ml 1 Kit (approx. 1.5 mL)
KYD-SET 0.5 ml 0.5 ml 1 Kit (approx. 1.5 mL)
KYD-SET-01 0.5 ml 0.5 ml
KYD-SET-02 1 ml (+ 2mL distilled water) 0.5 ml 0.5 ml
KYD-SET-03 1 ml (+ 2mL distilled water) 0.5 ml 0.5 ml 1 Kit (approx. 1.5 mL)
KYD-SET-04 1 ml (+ 2mL distilled water) 0.5 ml 1 Kit (approx. 1.5 mL)

Relevant products for the assisted reproductive technologies

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Cold Storage /­ Purification Stock Solution Reagents Other abx810295-1

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Reproductive Engineering Techniques in Mice Technical Manual Reagents Other KYD-MANUAL

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CARD HyperOva Download instruction sheet Bio-active substances Other KYD-010-EX

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CARD HyperOva (Superovulation Reagent for mouse) Download instruction sheet Bio-active substances Mu KYD-010-06-EX-X50

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CARD HyperOva (Superovulation Reagent for mouse) Download instruction sheet Bio-active substances Mu KYD-010-EX-X25

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CARD HyperOva (Superovulation Reagent for mouse) Download instruction sheet Bio-active substances Mu KYD-010-EX-X50

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M2e, human Download product datasheet Peptides Hu RP20206

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IL-­4, Human Download instruction sheet Download product datasheet Proteins Hu Z02925-10

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IL-­4, Porcine Download product datasheet Proteins Other Z02928-1

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PKM2 Protein (OPPA01194) Proteins other E.coli OPPA01194

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Name Price
Cold Storage /­ Purification Stock Solution Login
Type Reagents
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Specific against Other
Appl.
Host
Item no.
Amount 1 L
Available
Reproductive Engineering Techniques in Mice Technical Manual Login
Type Reagents
Clone
Specific against Other
Appl.
Host
Item no.
Amount 1 Piece
Available
CARD HyperOva Login
Type Bio-active substances
Clone
Specific against Other
Appl.
Host
Item no.
Amount 1 ml
Available
CARD HyperOva Login
Type Bio-active substances
Clone
Specific against Other
Appl.
Host
Item no.
Amount 600 ul
Available
CARD HyperOva Login
Type Bio-active substances
Clone
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CARD HyperOva Login
Type Bio-active substances
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CARD HyperOva (Superovulation Reagent for mouse) Login
Type Bio-active substances
Clone
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Appl.
Host
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CARD HyperOva (Superovulation Reagent for mouse) Login
Type Bio-active substances
Clone
Specific against Mu
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Host
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CARD HyperOva (Superovulation Reagent for mouse) Login
Type Bio-active substances
Clone
Specific against Mu
Appl.
Host
Item no.
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CARD HyperOva (Superovulation Reagent for mouse) Login
Type Bio-active substances
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Specific against Mu
Appl.
Host
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M2e, human Login
Type Peptides
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Host
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IL-­4, Human Login
Type Proteins
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Available
IL-­4, Porcine Login
Type Proteins
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Host
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IL-­4, Porcine Login
Type Proteins
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Host
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Available
IL-­4, Porcine Login
Type Proteins
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IL-­4, Mouse Login
Type Proteins
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IL-­4, Mouse Login
Type Proteins
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PKM2 Protein (OPPA01194) Login
Type Proteins
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Appl.
Host E.coli
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S100A10 Protein (OPPA01296) Login
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Cold storage solution for cauda epididymides Login
Type Solution
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