Hepatocyte Isolation System Product Information

Most traditional methods published for isolating hepatocytes use crude and partially purified enzyme preparations including various types of collagenase and other proteases. More recently the use of better characterized preparations of collagenase such as Worthington Types 1 and 4 (CLS-1, 4) have provided better results. All crude collagenase preparations can contain lot-variable contaminating proteases, esterases and other enzymes requiring researchers to pre-screen several lots of enzyme and/or continually modify isolation parameters and protocols.

The Worthington Hepatocyte Isolation System has been developed to provide researchers with a reliable, convenient, and consistent hepatocyte cell isolation system. By using the pre-optimized combination of enzymes contained in this kit, it is possible to minimize the lot-to-lot variation and improve the quality of the isolated hepatocytes. In addition, Worthington use-tests each lot by isolating hepatocytes from adult rat to assure performance, reliability, and consistent yield of viable cells.

The method is based on that described by Berry, M.N., modified by Seglen, P.O. (Methods in Cell Biology, vol XIII, David M. Prescott ed., Academic Press, 1976; Chapter 4, "Preparation of Isolated Rat Liver Cells", pp 29-83), and further optimized in conjunction with several researchers.

Stability/Storage: The reagents are stable at ambient temperatures for the periods of time expected in normal shipping procedures, but the package should be refrigerated upon arrival. Contents may be stored at 2-8°C for 4-6 months before use. Store at 2-8°C.

Package Contents The package contains sufficient materials for five separate adult rat liver perfusions. For larger or smaller tissue applications, prepare proportionate volumes of reagents at each step and combine them in the same ratio as described in the protocol.

Vial #1: 10X CMF-HBSS Concentrate, 1 bottle, 500ml Sterile calcium- and magnesium-free Hank's Balanced Salt Solution (CMF-HBSS). The solution is used for washing and perfusing the liver prior to the addition of the dissociating enzyme solution.

Vial #2: 22,500 Units Collagenase and 30 Units Elastase, 5 Vials Worthington collagenase (Code: CLS-1) and elastase (Code: ESL), filtered through 0.22µm pore size membrane, and lyophilized. Before use, reconstitute with the L-15/MOPS solution and swirl gently to dissolve contents as directed in the following procedure. Store unreconstituted vials at 2–8°C.

Vial #3: 1,000 Units DNase I each, 5 Vials Worthington DNase I (Code: D), filtered through 0.22µm pore size membrane, and lyophilized. Before use, reconstitute with L-15/MOPS solution and swirl gently to dissolve contents as directed in the following procedure. Store unreconstituted vials at 2–8°C.

Vial #4: 0.15M MOPS, pH 7.5, 1 bottle, 75ml 0.15M MOPS, pH 7.5 buffer concentrate, used to buffer the reconstituted Leibovitz L-15 media. Vial #5: 7.5% Sodium Bicarbonate (NaHCO3), 1 bottle, 100ml 7.5% Sodium bicarbonate concentrate, used to buffer the diluted CMF-HBSS.

Pouch, containing Leibovitz L-15 Media Powder, 1 x 1L Reconstitute entire contents of pouch by cutting open top of envelope and pouring contents into beaker containing approximately 800ml of cell culture grade water. Rinse pouch 2 - 3 times with an additional 100ml water. Bring total volume to 1000ml and filter through a 0.22 micron pore size membrane.

References

Alpini et al., "Recent Advances in the Isolation of Liver Cells", Hepatology (1994) 20:494-514.

Berry, M.N., Edwards, A.M., and Barritt, G.J.; Isolated Hepatocytes: Preparation, Properties and Applications, RH Burdon and PH Van Knippenberg, eds., Elsevier, Amsterdam, New York, Oxford, Chapt. 2, 1991.

Chen H-L, Wu H-l, Fon C-C, Chen P-J, Lai, M-Y, Chen D-S (1998) Long-term culture of hepatocytes from human adults. Biomedical Science 5:435-440

DeRobertis, E.D.P., Saez, F.A. and DeRobertis, E.M.F.: Cell Biology, 6th ed., W.B. Saunders Co., Philadelphia, PA, 1975.

Freshney, R. Ian: Culture of Animal Cells, Alan R. Liss, Inc., New York, 2000.

Hanks, J.H., and Wallace, R.E.: Proc. Soc. Exp. Biol. Med., 71, 196 1949.

Jakoby, W.B., and Pastan, I.H.: Methods in Enzymology Vol. LVIII p. 121, Academic Press, 1979.

Le Cluyse EL (2001) Human hepatocyte systems for the in vitro evaluation of cytochrome P450 enzyme expression and regulation. Eur. J Pharm Sci 13:343-368.

Le Cluyse EL, PL Bullock, A Parkinson (1996) Strategies for restoration and maintenance of normal hepatic structure and function in long-term cultures of rat hepatocytes. Adv. Drug Del Rev 22:133-186.

Leibovitz, A.: The Growth and Maintenance of Tissue/Cell Cultures in Free Gas Exchange with the Atmosphere, Am. J. Hyg., 78, 173, 1963.

Seglen, P.O., Methods in Cell Biology, Vol. XIII, David M. Prescott ed., Ch. 4, pp. 29-83, Academic Press, 1976.

Worthington Enzyme Manual, Worthington Biochemical Corp., Freehold, NJ, 1993.

Worthington Tissue Dissociation Guide, Worthington Biochemical Corp., Lakewood, NJ, 2003. 

Related Products:

Collagenase (CLS1-4/CLSPA)
Deoxyribonuclease I (DP/D/DCLS/D2/DPFF/DPRF)
Elastase (ES/ESL)
Hyaluronidase (HSE/HSEP)
Neutral Protease (Dispase, NPRO)
Papain (PAP/PAPL/PAP2)
Proteinase K (PROK)
Trypsin (TL/TRL/TRL3/TRLS/TRTPCK)
Trypsin Inhibitors (LBI/OI/SI/SIC)

Cell Isolation Optimizimg System (CIT)
Neonatal Cardiomyocyte Isolation System (NCIS)
Papain Dissociiation System (PDS/PDS2)

DescriptionActivityCodeSizeCat. No.Price
Hepatocyte Isolation System
Source: N/A
Kit for performing five separate adult rat liver perfusions. Contains five single use CLSH enzyme vials, five single use DNase vials, 10X CMF-Hank's Balanced Salt Solution, L-15 Media Powder, 0.15M MOPS buffer,7.5% Sodium Bicarbonate Solution, and optimized protocol. The kit is use-tested by Worthington to assure performance.
Store at 2-8C.
HIS 1 bx LK002060 $420.00 Buy Now
Collagenase/Elastase Vial (CLSH)
Source: Clostridium histolyticum
Enzyme vial of HIS kit that contains 20,000 units of collagenase (Code: CLS-1) and 30 units of elastase (Code: ESL), filtered through 0.22 micron membrane and lyophilized.
Store at 2-8C.
≥20,000 units collagense/30 units elastase per vial CLSH 1 vi LK002066 $50.00 Buy Now
5 vi LK002067 $219.00 Buy Now
DNase Vial (D2)
Source: Bovine Pancreas
A component of the Papain Dissociation System. This material is 0.22 micron membrane filtered and lyophilized in autoclaved vials. A vial reconstituted with 0.5 ml of EBSS or equivalent yields a solution of 2000 units/ml of deoxyribonuclease (1 mg/ml).
Store at 2-8C.
≥1,000 units per vial D2 1 vi LK003170 $23.00 Buy Now
5 vi LK003172 $78.00 Buy Now
Hank's Balanced Salt Solution 10X (HBSS10)
Source: N/A
Sterile calcium and magnesium free Hank's balanced salt solution, 10X CMF-HBSS concentrate, as supplied in the HIS kit; 1 x 500 ml
Store at 2-8C.
HBSS10 1 ea LK002064 $78.00 Buy Now
L-15 Media Powder (L15NK)
Source: N/A
Leibovitz L-15 media powder, a component of the NCIS kit. Reconstitute entire contents of pouch, QS to 1 liter with cell culture grade water, and 0.22 micron filter. Suitable for cell isolation and culture applications.
Store at 2-8C.
L15NK 1 ea LK003250 $28.00 Buy Now
0.15m, MOPS Buffer, (MOPS)
Source: N/A
0.15M MOPS, pH 7.5, 0.22u filtered. Buffer concentrate used to buffer the constituted Leibovitz L-15 media in Hepatocyte Isolation System.
Store at 2-8C.
MOPS 1 ea LK002070 $34.00 Buy Now
Sodium bicarbonate, 7.5%, (NAH)
Source: N/A
7.5% Sodium bicarbonate concentrate (NaHCO3), used to buffer the diluted CMF-HBSS; 1 x 100 ml
Store at 2-8C.
NAH 1 ea LK002069 $31.00 Buy Now

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