A review of automated slide stainers for IHC and ISH

Medical Laboratory Observer, Jan, 2008 by Joe Myers

Table 1. Primary attributes of available IHC/ISH slide-staining systems.

                                                Slide
                                                placement  Operating
Vendor               Product name               format     modes*

Biocare Medical      intelliPath-FLX[TM]        Array      Open & closed
BioGenex             i6000[TM]                  Array      Open & closed
  Laboratories
BioGenex             xMatrx[TM]                 Array      Open & closed
  Laboratories
Dako                 Autostainer Universal[TM]  Array      Open & closed
(Thermo) Lab Vision  Autostainer 360[TM]        Array      Open & closed
(Thermo) Lab Vision  Autostainer 480[TM]        Array      Open & closed
(Thermo) Lab Vision  Autostainer 720[TM]        Array      Open & closed
Ventana Med.         Benchmark XT[TM]           Carousel   Closed
  Systems
Ventana Med.         Benchmark LT[TM]           Carousel   Closed
  Systems
(Leica) Vision       Bond[TM]                   Array      Open / closed
  Biosystems

                     Staining        Reag. applic.  Slide     Reagent
Vendor               capabilities**  method         capacity  capacity

Biocare Medical      IHC (ISH)       Rinsed probe   50        48
BioGenex             IHC (ISH)       Pipette tips   60        60
  Laboratories
BioGenex             IHC, ISH        Pipette tips   40        60
  Laboratories
Dako                 IHC (ISH)       Rinsed probe   48        64
(Thermo) Lab Vision  IHC (ISH)       Rinsed probe   36        40
(Thermo) Lab Vision  IHC (ISH)       Rinsed probe   48        40
(Thermo) Lab Vision  IHC (ISH)       Rinsed probe   72/84     84/40
Ventana Med.         IHC, ISH        Disposable     30        35
  Systems                              dispensers
Ventana Med.         IHC, ISH        Disposable     20        25
  Systems                              dispensers
(Leica) Vision       IHC, ISH        Rinsed probe   30        36
  Biosystems

*Refers both to the ability of an instrument to incorporate reagents
from sources other than the manufacturer/distributor as well as the
ability to create user-defined staining protocols.

Table 2. Secondary attributes of available IHC/ISH slide-staining
systems.

                           Slide-label  Reagent-label  Adjustable
Product name               scanning*    scanning**     dispensing

intelliPATH-FLX[TM]        Yes          Yes            Yes
i6000[TM]                  Yes          Yes            Yes
xMatrx[TM]                 Yes          Yes            Yes
Autostainer Universal[TM]  Yes          Yes            Yes
Autostainer 360[TM]        Yes          Yes            Yes
Autostainer 480[TM]        Yes          Yes            Yes
Autostainer 720[TM]        Yes          Yes            Yes
Benchmark XT[TM]           Yes          Yes            No
Benchmark LT[TM]           Yes          Yes            No
Bond[TM]                   Yes          Yes            Yes

                                     Slide heating  Continuous
Product name               Dewaxing  (HIER/ISH)     processing (^)

intelliPATH-FLX[TM]        No        No             Yes
i6000[TM]                  Yes       No             Yes
xMatrx[TM]                 Yes       Yes            Yes
Autostainer Universal[TM]  No        No             No
Autostainer 360[TM]        No        No             No
Autostainer 480[TM]        No        No             No
Autostainer 720[TM]        No        No             No
Benchmark XT[TM]           Yes       Yes            No
Benchmark LT[TM]           Yes       Yes            No
Bond[TM]                   Yes       Yes            Yes

                           Multi-unit  Reagent        Waste
Product name               control     chilling (^^)  separation

intelliPATH-FLX[TM]        Yes         Yes            Yes
i6000[TM]                  No          No             No
xMatrx[TM]                 Yes         No             Yes
Autostainer Universal[TM]  Yes         No             Yes
Autostainer 360[TM]        Yes         No             Yes
Autostainer 480[TM]        Yes         No             Yes
Autostainer 720[TM]        Yes         No             Yes
Benchmark XT[TM]           Yes         No             No
Benchmark LT[TM]           Yes         No             No
Bond[TM]                   Yes         No             Yes

*Permits automatic staining protocol recognition.
**Permits automatic 'matching' of reagents with staining protocols and
relevant mismatch notification.
(^) Ability to continually add slides (or trays of slides) as
independent runs.
(^^) Refers to on-board refrigeration, used for reducing the rate of
reagent deterioration.

Table 3. Sample comsumables cost estimate.

Notes: 1) Slide-staining capacities specified below are based on
application of: 200[micro]L per slide
2) Discounted prices specified below are based on: 3% discount, as
provided for within vendor's Consumables Purchase Agreement

PREDILUTED ANTIBODIES:
                                                      Qty.     Slides
Catalog                                      Volume   Slides   per
Number      Description                      (in ml)  Stained  Year

(Variable)  Universal Negative Control       100      500      10,000
              (Mouse/Rab.)
(Variable)  Actin, Smooth-muscle -- Monocl.    6       30       1,000
              [1A4]
(Variable)  CD3 -- Monoclonal [PS1]            6       30       2,000
(Variable)  CD20 -- Monoclonal [L26]          25      125       2,000
(Variable)  Cytokeratin 7 -- Monoclonal       25      125       3,000
              [K72.7]
(Variable)  Cytokeratin 20 -- Monoclonal      25      125       3,000
              [Ks20.8]

                                             Vials  2007     Discounted
Catalog                                      per    Unit     Price
Number      Description                      Year   Price    per Unit

(Variable)  Universal Negative Control       20     $202.00  $195.94
              (Mouse/Rab.)
(Variable)  Actin, Smooth-muscle -- Monocl.  34     $226.00  $219.22
              [1A4]
(Variable)  CD3 -- Monoclonal [PS1]          67     $166.00  $161.02
(Variable)  CD20 -- Monoclonal [L26]         16     $548.00  $531.56
(Variable)  Cytokeratin 7 -- Monoclonal      24     $755.00  $732.35
              [K72.7]
(Variable)  Cytokeratin 20 -- Monoclonal     24     $755.00  $732.35
              [Ks20.8]

                                             Extended/
Catalog                                      Annualized  Cost per
Number      Description                      Cost        Slide

(Variable)  Universal Negative Control        $3,918.80  $0.39
              (Mouse/Rab.)
(Variable)  Actin, Smooth-muscle -- Monocl.   $7,453.48  $7.31
              [1A4]
(Variable)  CD3 -- Monoclonal [PS1]          $10,788.34  $5.37
(Variable)  CD20 -- Monoclonal [L26]          $8,504.96  $4.25
(Variable)  Cytokeratin 7 -- Monoclonal      $17,576.40  $5.86
              [K72.7]
(Variable)  Cytokeratin 20 -- Monoclonal     $17,576.40  $5.86
              [Ks20.8]

Total Quantity of Slides Stained:                21,000
Total Annual Costs, Prediluted Antibodies:      $65,818.38
Average Cost-per-Slide, Prediluted Antibodies:       $4.84

DETECTION REAGENTS:
                                                Qty.     Slides
Catalog                                Volume   Slides   per
Number      Description                (in ml)  Stained  Year

(Variable)  Universal Polymer-HRP      100      500      21,000
              Detection Kit
(Variable)  DAB-Chromogen/[H.sub.2]    110      550      21,000
              [O.sub.2]-Substrate Kit

                                       Units  2007       Discounted
Catalog                                per    Unit       Price
Number      Description                Year   Price      per Unit

(Variable)  Universal Polymer-HRP      42     $1,065.00  $1,033.05
              Detection Kit
(Variable)  DAB-Chromogen/[H.sub.2]    39       $134.00    $129.98
              [O.sub.2]-Substrate Kit

                                       Extended/
Catalog                                Annualized  Cost per
Number      Description                Cost        Slide

(Variable)  Universal Polymer-HRP      $43,388.10  $2.07
              Detection Kit
(Variable)  DAB-Chromogen/[H.sub.2]     $5,069.22  $0.24
              [O.sub.2]-Substrate Kit

Total Annual Costs, Detection Reagents:  $48,457.32
Cost-per-Slide, Detection Reagents:           $2.31

ANCILLARY PRODUCTS:
                                                     Qty.     Slides
Catalog                                     Volume   Slides   per
Number      Description                     (in ml)  Stained  Year

(Variable)  Endogenous Peroxidase Blocking     500    2500    21,000
              Agent
(Variable)  TBS Wash Buffer, 20X            10,000     250    21,000
              Concentrate
(Variable)  Epitope Retrieval Solution,      5,000     500    20,000
              10X (Conc.)
(Variable)  Pepsin                              25     120     5,000
(Variable)  Slide Labels, Roll of 3200      N/A      3,200    25,000
(Variable)  Vial Labels, Roll of 3000       N/A      3,000     3,000

                                            Units  2007     Discounted
Catalog                                     per    Unit     Price
Number      Description                     Year   Price    per Unit

(Variable)  Endogenous Peroxidase Blocking   9      $71.00   $68.87
              Agent
(Variable)  TBS Wash Buffer, 20X            84      $67.00   $64.99
              Concentrate
(Variable)  Epitope Retrieval Solution,     40     $228.00  $221.16
              10X (Conc.)
(Variable)  Pepsin                          42      $59.00   $57.23
(Variable)  Slide Labels, Roll of 3200       8     $342.00  $331.74
(Variable)  Vial Labels, Roll of 3000        1     $342.00  $331.74

                                            Extended/
Catalog                                     Annualized  Cost per
Number      Description                     Cost        Slide

(Variable)  Endogenous Peroxidase Blocking    $619.83   $0.03
              Agent
(Variable)  TBS Wash Buffer, 20X            $5,459.16   $0.26
              Concentrate
(Variable)  Epitope Retrieval Solution,     $8,846.40   $0.44
              10X (Conc.)
(Variable)  Pepsin                          $2,403.66   $0.48
(Variable)  Slide Labels, Roll of 3200      $2,653.92   $0.10
(Variable)  Vial Labels, Roll of 3000         $331.74   $0.11

Total Annual Costs, Ancillary Products:   $20,314.71
Cost-per-Slide, Ancillary Products:            $0.97

SUMMARY
Total Estimated Annual Costs:            $134,590.41
Total Estimated Monthly Costs:            $11,215.87
Overall Cost-per-Slide:                        $6.41
COPYRIGHT 2008 Nelson Publishing
COPYRIGHT 2008 Gale, Cengage Learning
 

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