[Histonet] RE: IHC billing question

2015-04-30 Thread Mike Pence
Ouch! -Original Message- From: histonet-boun...@lists.utsouthwestern.edu [mailto:histonet-boun...@lists.utsouthwestern.edu] On Behalf Of Cartun, Richard Sent: Thursday, April 30, 2015 4:34 PM To: histonet@lists.utsouthwestern.edu Subject: [Histonet] IHC billing question Effective

[Histonet] Re: IHC and Oven Temperatures

2015-04-26 Thread richardboen
The specific pages in the Dako Education Guide: Immunohistochemistry Staining Methods, Fifth Edition are: Discussion on page 32 and references on page 33. It's in the Fixation and Processing Chapter and says no part of the process should have temperatures above 60C. Rick Boen, BS, HTL

RE: [Histonet] Re: IHC and Oven Temperatures

2015-04-26 Thread Sebree Linda A
...@charter.net] Sent: Sunday, April 26, 2015 10:42 AM To: histonet@lists.utsouthwestern.edu Subject: [Histonet] Re: IHC and Oven Temperatures The specific pages in the Dako Education Guide: Immunohistochemistry Staining Methods, Fifth Edition are: Discussion on page 32 and references on page 33. It's

RE: [Histonet] Re: IHC and Oven Temperatures

2015-04-26 Thread Joelle Weaver
Thank you. I knew it was discussed in that reference. I guess my memory isn't totally gone! Joelle Weaver MAOM, HTL (ASCP) QIHC Date: Sun, 26 Apr 2015 11:42:04 -0400 From: richardb...@charter.net To: histonet@lists.utsouthwestern.edu Subject: [Histonet] Re: IHC and Oven

[Histonet] RE: IHC and oven temperature

2015-04-20 Thread Morken, Timothy
The95 for HIER is in liquid, The 82in the oven is dry slides. While wet high temps enhance HIER, It seems the high dry temp does harm epitopes (there is a paper somewhere on this but I don't have access to it right now). Tim Morken Supervisor, Histology, Electron Microscopy and Neuromuscular

RE: [Histonet] RE: IHC Billing Question

2015-04-18 Thread Joelle Weaver
Date: Thu, 16 Apr 2015 14:35:59 + CC: Subject: [Histonet] RE: IHC Billing Question We have not been charging for the negative control, assuming that it was just a cost of doing business. I would be interested to hear if anyone has been charging for their negative controls as well

[Histonet] RE: IHC Billing Question

2015-04-16 Thread Burnett, Brandy
We recently added HER2 IHC testing in our lab which we are required to use a negative reagent control For each case. Is there a cpt code for negative reagent control reimbursement? Any information on this Would be much appreciated! Thanks Brandy Burnett Histotechnoligist, QIHC(ASCP) CCH

[Histonet] RE: IHC Billing Question

2015-04-16 Thread Martha Ward-Pathology
Moreira'; histonet@lists.utsouthwestern.edu Subject: [Histonet] RE: IHC Billing Question We recently added HER2 IHC testing in our lab which we are required to use a negative reagent control For each case. Is there a cpt code for negative reagent control reimbursement? Any information on this Would

[Histonet] Re: IHC Billing Question

2015-04-16 Thread Bryan Szpunar
I have never heard of anyone billing for a negative control and would highly recommend against doing so. As mentioned, it is a cost of doing business--which is why when CAP clarified that polymer detection systems did not require them, most cost-conscious labs quit running them. Regards, Bryan

[Histonet] RE: IHC Billing Questions Controls

2015-04-16 Thread Hanson, Dawn
Brandy Joana Controls are never billable, a control test does not produce a usable result based on the patient's specimen. The results of control tests - positive or negative only tell you that your reagents, stains, antibodies etc. are performing as expected. | Dawn Hanson | Lab Manager |

[Histonet] RE: IHC Validation

2014-11-05 Thread Sebree Linda A
Karla, We try to run 1/2 of the required cases with known negative cases and the other 1/2 with known positive cases. In addition, all cases are run with a negative reagent control in place of the antibody using the optimized protocol for the antibody. These are your negative reagent

[Histonet] RE: IHC billing

2014-10-09 Thread Terri Braud
Our institution is billing IHC identical to what Joyce stated. Terri L. Braud, HT(ASCP) Anatomic Pathology Supervisor Holy Redeemer Hospital Laboratory 1648 Huntingdon Pike Meadowbrook, PA 19046 Ph: 215-938-3676 Fax: 215-938-3874 Message: 3 Date: Wed, 8 Oct 2014 14:44:54 -0500 From: Horn, Hazel

[Histonet] RE: IHC Validation

2014-09-02 Thread Algeo, Lacie A
I have used the CAP published 'Quality Management in Anatomic Pathology' and it has been very helpful with this: For a well-characterized antibody with a limited spectrum of antigenic targets, like chromogranin, or prostate specific antigen, the validation can be limited. A panel of 10

[Histonet] RE: IHC on free floating slices of brain

2014-08-20 Thread Barbara Tibbs
Hello Walter, Many years ago I did Timm's Silver stain on free-floating rat brain slices. The rats were perfused before removal and freezing of the brain on dry ice. I then would cut slices in a cryostat and float the sections in saline until ready to stain. I would imagine that it might be

[Histonet] RE: IHC Validation with TMAs

2014-08-04 Thread Terri Braud
I had to revalidate all of my antibodies when we changed our IHC platform. I used store bought TMAs and passed my CAP inspection with flying colors. The cost savings is enormous. Ideally, they should be processed the same as your test tissue, but since our CAP proficiency slides are not, I did

رد: [Histonet] RE: IHC Validation with TMAs

2014-08-04 Thread j.rowaihi
Braud tbr...@holyredeemer.com التاريخ: ٢٠١٤/٠٨/٠٤ ٨:٣٠ م (GMT+03:00) إلى: histonet@lists.utsouthwestern.edu الموضوع: [Histonet] RE: IHC Validation with TMAs I had to revalidate all of my antibodies when we changed our IHC platform.  I used store bought  TMAs and passed my CAP inspection

Re: [Histonet] RE: IHC Validation with TMAs

2014-08-04 Thread Rob Day
: histonet-boun...@lists.utsouthwestern.edu [mailto:histonet-boun...@lists.utsouthwestern.edu] On Behalf Of Terri Braud Sent: Monday, August 04, 2014 1:30 PM To: histonet@lists.utsouthwestern.edu Subject: [Histonet] RE: IHC Validation with TMAs I had to revalidate all of my antibodies when we changed

[Histonet] Re: IHC Validation

2014-07-15 Thread Leslie Graves
Thank you to everyone who sent a template. This is very helpful. I do need clarfication on the 10 cases that are required for validation. Do you include the 10 cases on this same form, or do you have something separate for that? These look ideal for optimization. From what I have read online,

Re: [Histonet] Re: IHC Validation

2014-07-15 Thread Michael Ann Jones
I document all of the worksheet process¹ and then I create a ³Validation Report² where my technical director both reviews all slides and signs this report. Michael Ann Jones, HT (ASCP) Histology Manager Metropath 7444 W. Alaska Dr. #250 Lakewood, CO 80226 303.634.2511 mjo...@metropath.com On

[Histonet] RE: IHC proficiency testing

2014-06-23 Thread Sebree Linda A
Hi Kari, I'd suggest taking advantage of CAP proficiency testing surveys so as to compare your lab's results to others. Linda A. Sebree From: histonet-boun...@lists.utsouthwestern.edu [histonet-boun...@lists.utsouthwestern.edu] on behalf of Delray Beach

[Histonet] RE: IHC patient reports

2014-06-04 Thread Morken, Timothy
The patient results are in the final report. The 2 year requirement is for QC documents only. Tim Morken Supervisor,Hisotlogy, Electron Microscopy and Neuromuscular Special Studies UC San Francisco Medical Center San Francisco, CA -Original Message- From:

[Histonet] RE: ihc billing

2014-05-09 Thread Michael LaFriniere
Allsion It is my understanding, and I have gone over this with many billing experts as well and performed endless research on. For medicare appropriate billing with multiplex anitbodies, use the GO461 for first multiplex antibody then GO462 for each separately identified antibody that the

[Histonet] RE: ihc billing

2014-05-08 Thread Weems, Joyce K.
The G codes are for Medicare/Medicaid. G0461 - the first and G0462 - each additional per SPECIMEN. 88342 is per BLOCK. And you understand 88343... Joyce Weems Pathology Manager 678-843-7376 Phone 678-843-7831 Fax joyce.we...@emoryhealthcare.org www.saintjosephsatlanta.org 5665 Peachtree

[Histonet] RE: IHC antibody optimizing validating

2014-03-26 Thread Cartun, Richard
To: histonet@lists.utsouthwestern.edu Subject: [Histonet] RE: IHC antibody optimizing validating CAP is very clear that in order to validate a new antibody, that: once the stain has been optimized, that for a well characterized antibody with a limited spectrum of antigenic targets, like

[Histonet] RE: IHC antibody optimizing validating

2014-03-26 Thread Terri Braud
To: histonet@lists.utsouthwestern.edu Subject: [Histonet] RE: IHC antibody optimizing validating CAP is very clear that in order to validate a new antibody, that: once the stain has been optimized, that for a well characterized antibody with a limited spectrum of antigenic targets, like Chromogranin

RE: [Histonet] RE: IHC antibody optimizing validating

2014-03-26 Thread joelle weaver
: Subject: [Histonet] RE: IHC antibody optimizing validating Fortunately, they say nothing at all because if that were the case, they would no longer be able to peddle their Proficiency Programs for IHC, since those too, are fixed and processed elsewhere. Terri L. Braud, HT(ASCP) Anatomic

[Histonet] RE: IHC on animals

2014-03-26 Thread Elizabeth Chlipala
Lester I would not, first of all not all antibodies that work in human will cross react with a particular species of animal. Another thing to consider is that most human based detection systems consist of dual link reagents, meaning that they work on both mouse and rabbit primaries these

[Histonet] RE: IHC on animals

2014-03-26 Thread pruegg
@lists.utsouthwestern.edu Subject: [Histonet] RE: IHC on animals Lester I would not, first of all not all antibodies that work in human will cross react with a particular species of animal. Another thing to consider is that most human based detection systems consist of dual link reagents, meaning that they work

[Histonet] RE: IHC antibody optimizing validating

2014-03-25 Thread O'Donnell, Bill
Hi Cassie, I have tried going 'requisition free a number of times in at least three institutions. The problems I've always encountered have been with the OR nursing staff, who frankly tell us that they are too busy to have to do one more thing - even if they were doing the 'thing' on paper

[Histonet] RE: IHC antibody optimizing validating

2014-03-25 Thread Podawiltz, Thomas
: [Histonet] RE: IHC antibody optimizing validating Hi Cassie, I have tried going 'requisition free a number of times in at least three institutions. The problems I've always encountered have been with the OR nursing staff, who frankly tell us that they are too busy to have to do one more thing - even

[Histonet] RE: IHC antibody optimizing validating

2014-03-25 Thread Terri Braud
CAP is very clear that in order to validate a new antibody, that: once the stain has been optimized, that for a well characterized antibody with a limited spectrum of antigenic targets, like Chromogranin or PSA, the validation can be limited. A panel of 10 positive and 10 negative neoplasms would

RE: [Histonet] RE: IHC antibody optimizing validating

2014-03-25 Thread joelle weaver
guidelines for sure- where would that land me? Joelle Weaver MAOM, HTL (ASCP) QIHC Date: Tue, 25 Mar 2014 15:34:30 -0400 From: tbr...@holyredeemer.com To: histonet@lists.utsouthwestern.edu Subject: [Histonet] RE: IHC antibody optimizing validating CAP is very clear that in order

[Histonet] RE: IHC Validation

2014-03-17 Thread Cartun, Richard
Are you changing the antibody dilution? If so, I would run 2-3 positive and negative cases and make sure that the immunoreactivity compares favorably to what you observed before. Richard Richard W. Cartun, MS, PhD Director, Histology Immunopathology Director, Biospecimen Collection Programs

[Histonet] RE: IHC Validation

2014-03-12 Thread Barbara Tibbs
On my IHC validation documents I have a space for comments. If I change anything in a protocol I make a note in the comments space. I haven't had any issue with any accrediting agencies. Barbara S. Tibbs Histology Supervisor Accurate Diagnostic Labs South Plainfield, NJ

[Histonet] RE: IHC cartilage - long response

2014-02-04 Thread Elizabeth Chlipala
Victoria Cartilage can be tricky, proper processing and sectioning is important initially. The samples can sometimes be cartilage only or both cartilage and the underlying bone, we have worked with both. It also depends upon what species you are working with. We have worked with mouse up to

[Histonet] RE: IHC

2014-01-23 Thread Terri Braud
I've used many different platforms and have liked most. Currently we are using BioCare. We LOVE our BioCare Intellipath FLX for our IHC platform. It is very cost effective, completely open, and has very user friendly software. BioCare has been a super company to work with. Fabulous customer

[Histonet] RE: IHC

2014-01-23 Thread Blazek, Linda
PM To: histonet@lists.utsouthwestern.edu Subject: [Histonet] RE: IHC I've used many different platforms and have liked most. Currently we are using BioCare. We LOVE our BioCare Intellipath FLX for our IHC platform. It is very cost effective, completely open, and has very user friendly software

[Histonet] RE: IHC Buffer (wash)

2013-12-05 Thread Goins, Tresa
Try ScyTek - The ready-made price is nearly as cheap as I can make it myself. http://www.scytek.com/default.asp Tresa Tresa Goins Histopathology Section Supervisor Montana Veterinary Diagnostic Lab -Original Message- From: histonet-boun...@lists.utsouthwestern.edu

[Histonet] RE: IHC trun-around-time

2013-10-01 Thread Sebree Linda A
Hey Tom, Although we have a higher workload than you, ~ 1500 slides/month, we offer same day TAT with a cut-off of noon. There are a couple exceptions, i.e. triple stains and HER2 dual ISH but otherwise, utilizing 4 Ventana Ultras, we have it all out by 4 pm or slightly later. Our hours are

[Histonet] RE: IHC TAT

2013-10-01 Thread Oneil, Beth Ann
We previously had two Ventana Benchmarks and was only able to get one set of stains off per day. We had an 11 am cut-off which worked well. We would do overnight stains as well so at least we were able to take off stains the following morning. We replaced the Benchmarks with two Leica Bond

[Histonet] RE: IHC Tissue

2013-08-28 Thread Sebree Linda A
Hi Colleen, We are just wrestling with this very issue and have decided to use: Normal colon, i.e. staining present with all four antibodies Colon carcinoma without the mutation, i.e. staining present with all four antibodies Colon carcinoma(s) with the mutation for each

RE: [Histonet] RE: IHC Tissue

2013-08-28 Thread Kuhnla, Melissa
] RE: IHC Tissue Hi Colleen, We are just wrestling with this very issue and have decided to use: Normal colon, i.e. staining present with all four antibodies Colon carcinoma without the mutation, i.e. staining present with all four antibodies Colon carcinoma(s

[Histonet] RE: IHC Elastin stain

2013-07-02 Thread Houston, Ronald
Linda, we do it here Ronnie Houston, MS HT(ASCP)QIHC Anatomic Pathology Manager ChildLab, a Division of Nationwide Children's Hospital www.childlab.com 700 Children's Drive Columbus, OH 43205 (P) 614-722-5450 (F) 614-722-2899 ronald.hous...@nationwidechildrens.org www.NationwideChildrens.org

[Histonet] RE: IHC Technician job description

2013-04-22 Thread Davis, Cassie
Vincent, you might want check out CLIA 88' complex testing requirement before you write that job description. Cassandra Davis cda...@che-east.org 302-575-8095 Saint Francis Hospital Saintfrancishealthcare.org Saint Francis Facebook Page From:

[Histonet] RE: IHC (DAB) after HE?

2013-04-05 Thread Tom McNemar
We just stain right over the HE. No problems. Tom McNemar, HT(ASCP) Histology Co-ordinator Licking Memorial Health Systems (740) 348-4163 (740) 348-4166 tmcne...@lmhealth.org www.LMHealth.org -Original Message- From: histonet-boun...@lists.utsouthwestern.edu

Re: [Histonet] RE: IHC validation

2013-03-16 Thread Kim Donadio
@lists.utsouthwestern.edu) histonet@lists.utsouthwestern.edu Sent: Friday, March 15, 2013 1:05 PM Subject: [Histonet] RE: IHC validation Laurie, for first time validation use controls. Don't use patient cases that are done for initial diagnostics. If they are repeats to test the system, that is ok. The question

[Histonet] RE: IHC validation

2013-03-15 Thread Morken, Timothy
Laurie, for first time validation use controls. Don't use patient cases that are done for initial diagnostics. If they are repeats to test the system, that is ok. The question is, who tested the controls? Ideally you will send a representative sample of your slides to another lab that uses the

[Histonet] RE: IHC Lead

2012-09-13 Thread Troutman, Kenneth A
Hello Dorothy, Here we require HT or HTL certification for IHC positions. I look for individuals that want to learn and have a desire to do IHC. I prefer folks with experience, but since experienced techs are hard to pry away from other employers, I am willing to train the right people. I

[Histonet] Re: IHC lead

2012-09-13 Thread Teri Johnson
Hi Dorothy, Take a quick look at the NSH website for job listings and maybe another career's website like Simplyhired.com or Monster and get some idea as to how the jobs for IHC lead techs are listed. The problem with making absolute requirements (BS, HTL, QIHC, etc) is there are a set of

[Histonet] RE: IHC Validation

2012-05-04 Thread Morken, Timothy
All you need to do is compare the new clone to your current clone and show the new clone is concordant with the new clone for sensitivity and specificity . You don't need to compare to the same clone elsewhere. Tim Morken Department of Pathology UC San Francisco Medical Center 505 Parnassus

[Histonet] RE: IHC Validation

2012-05-04 Thread Dessoye, Michael J
Thank you all for the info. I agree that in-house validation is the way to go. The only reason we had been using an outside reference lab was due to recommendations during a JC inspection which were applied to our area, but not really meant for IHC. The inspector was not a histology person, so

[Histonet] RE: IHC Validation

2012-05-04 Thread Morken, Timothy
-Original Message- From: histonet-boun...@lists.utsouthwestern.edu [mailto:histonet-boun...@lists.utsouthwestern.edu] On Behalf Of Dessoye, Michael J Sent: Friday, May 04, 2012 9:05 AM To: Morken, Timothy; histonet@lists.utsouthwestern.edu Subject: [Histonet] RE: IHC Validation Thank you

[Histonet] Re: IHC in porcine tissues

2012-04-16 Thread Galina Deyneko
Dear Colleagues  What  secondary antibody or polymer would be better to use for mouse primary antibody on FFPE  porcine tissues?Also, please share your experience regarding macrophages detection in porcine arteries. I found couple in Abcam and Serotec (only for frozen), but your opinions is

RE: [Histonet] Re: IHC in porcine tissues

2012-04-16 Thread Elizabeth Chlipala
-Original Message- From: histonet-boun...@lists.utsouthwestern.edu [mailto:histonet-boun...@lists.utsouthwestern.edu] On Behalf Of Galina Deyneko Sent: Monday, April 16, 2012 1:00 PM To: histonet@lists.utsouthwestern.edu Subject: [Histonet] Re: IHC in porcine tissues Dear Colleagues What

[Histonet] RE: IHC + control question

2012-03-07 Thread Chiriboga, Luis
Consensus: Vimentin Thanks' to all who responded!! Luis Chiriboga Ph.D, Director OCS Experimental Pathology IHC Core Lab NYUSOM/Bellevue Hospital Center Department of Pathology 4w27 (212) 562-4667 luis.chirib...@nyumc.org From: Chiriboga, Luis Sent: Tuesday, March 06, 2012 9:02 AM To:

[Histonet] RE: IHC and negative controls?

2012-02-16 Thread Tunde Ajibade
I am not sure if they can do that because CAP ANP.22570, explain this. Tunde Ajibade BS, HTL(ASCP)QIHC Histology Supervisor Medical Center Hospital Odessa,TX Tel:432-640-2348 Fax:432-640-2303 -Original Message- From: histonet-boun...@lists.utsouthwestern.edu

[Histonet] RE: IHC and negative controls?

2012-02-16 Thread Settembre, Dana
...@lists.utsouthwestern.edu [mailto:histonet-boun...@lists.utsouthwestern.edu] On Behalf Of Tunde Ajibade Sent: Thursday, February 16, 2012 10:40 AM To: 'histonet@lists.utsouthwestern.edu' Cc: 'histonet-boun...@lists.utsouthwestern.edu' Subject: [Histonet] RE: IHC and negative controls? I am not sure if they can do

[Histonet] RE: IHC and negative controls?

2012-02-16 Thread Tom McNemar
Thanks to everyone for the quick responses. I am looking at ANP.22580 rev 12/12/2006 and it clearly talks about a separate section of patient tissue... but just a little further it talks about using internal negative controls (The type of negative tissue control used (i.e., separate sections,

[Histonet] RE: IHC on Bones

2011-12-30 Thread Elizabeth Chlipala
Sara If you can you want to stick with an enzyme digestion such as proteinase K or another enzyme. If the antibody requires HIER and will not work with enzyme digestion then modify your retreival time and temp, we use 70C for 2 hours and find that this works for most antibodies. Some

[Histonet] RE: IHC on Bones

2011-12-30 Thread McMahon, Loralee A
I have place the deparaffinized slides into 10% neutral buffered formalin for about 30 minutes before the heat retrieval. Somehow this seems to work You can also lower the temperature of your retrieval and lengthen the time. Good Luck. Loralee McMahon, HTL (ASCP) Immunohistochemistry

[Histonet] RE: IHC

2011-11-17 Thread Elizabeth Chlipala
Tonsil is the control we use Liz Elizabeth A. Chlipala, BS, HTL(ASCP)QIHC Manager Premier Laboratory, LLC PO Box 18592 Boulder, CO 80308-1592 (303) 682-3949 office (303) 682-9060 fax (303) 881-0763 cell www.premierlab.com Ship to address: 1567 Skyway Drive, Unit E Longmont, CO 80504

[Histonet] Re: IHC on Pig help

2011-08-13 Thread Hobbs, Carl
Treat the tissue exactly as if it was human. Sure, your anti CD68 may not work on pig but, it's worth a try. LBH? Probably LDH. If so, better to measure serum levels? Trypen blue? Prob. Trypan blue. It's a dye used for cell viability tests. So, it seems that 2 and 3 are not IHC at all. More

Re: [Histonet] Re: IHC on Pig help

2011-08-13 Thread shive003
Carl is correct... treat the tissue as if it is human... i.e., use anti-mouse IgG as your link secondary Ab for CD68 mouse primary antibody, etc. Not all CD68s cross-react with non-primates; I can let you know which clones I've tried when I get back into work on Monday. Jan Shivers IHC

[Histonet] Re: IHC for H. pylori

2011-07-14 Thread Robert Richmond
The three pathology services I've worked in in the last few yers that did immunohistochemical staining for Helicobacter pylori did it on all gastric biopsy specimens. Usually R/O H.p. is on the requisition. I prefer a blue stain (Giemsa or Diff-Quik II or equivalent) if I have one slide a day to

[Histonet] RE: IHC pos. neg. control question

2011-05-19 Thread Tony Henwood
No, the best sample for negative control is NOT a section of your positive control tissue. The positive control would have already been tested for spurious cross-reactions. Why continue to test it? The patient's tissue has not been tested. So a mirror section is used. Does the patient's tissue

[Histonet] RE: IHC run print outs

2011-05-11 Thread McMahon, Loralee A
We currently do. And we have the Dako system. So everytime we print the IHC reports it takes pages and pages. The pathologist are supposed to sign off on them and return them to me. I am then supposed to file them. But... The major problems are it takes up hundreds of sheets of paper

[Histonet] re: IHC on frozen sections

2011-04-20 Thread Hobbs, Carl
1) NO 2) Yes...at 4C 3) Sure, if somebody is around to do thisor you want to make somebody go in and do it ;-) carl carl Carl Hobbs Histology Manager Wolfson Centre for Age-Related Diseases School of Biomedical Sciences King's College London Guys Campus London SE1 1UL Tel.020

[Histonet] RE: IHC on frozen sections

2011-04-19 Thread Tony Henwood
Jana, Since you are fixing in formaldehyde, why not paraffin embed them? Frozen sectioning of formalin fixed tissue and doing IPX on them is difficult as well as problems with storing the tissue. I would cut frozen of unfixed tissue and do IPX on them rather than doing IPX on formalin fixed

[Histonet] Re: IHC pretreatment with NaOH/H2O2

2011-02-18 Thread Johnson, Teri
Dear Neil, I was able to find a protocol like you described published where they had done a regular IHC protocol on free-floating tissue sections for a-MSH antibody using 0.3% H2O2, normal serum block, etc. They go on to describe that for P-STAT3, the tissue needed to be pretreated with 1%

RE: [Histonet] Re: IHC pretreatment with NaOH/H2O2

2011-02-18 Thread Montina Van Meter
To: histonet@lists.utsouthwestern.edu Subject: [Histonet] Re: IHC pretreatment with NaOH/H2O2 Dear Neil, I was able to find a protocol like you described published where they had done a regular IHC protocol on free-floating tissue sections for a-MSH antibody using 0.3% H2O2, normal serum block, etc

[Histonet] RE: IHC on plastic sections

2011-01-21 Thread gayle callis
You did not say WHICH plastic? Immunostaining on tissues embedded in methyl methacrylate are successful since one can totally remove this plastic from the tissue with various solvents. There may be some stringent antigen retrieval needed . Neil Hand had a panel of over 200 antibodies

[Histonet] RE: IHC kits

2010-06-18 Thread Mauger, Joanne
The Leica Bond detection kits are better than LSAB. They are barcoded for the Bondmax machine-not sure if they offer packaged another way. Joanne Mauger HT(ASCP)QIHC Children's Hospital of Philadelphia From: histonet-boun...@lists.utsouthwestern.edu

[Histonet] Re: IHC incubations

2010-05-15 Thread Eric Hoy
Sarah Goebel asked about prolonged incubation of primary antibodies on an IHC. You can do this, usually without increased background or non-specific staining, but it is imperative that you validate the procedure in comparison to the published method that you are using. This will require you to

[Histonet] Re: IHC mouse antibody on mouse tissue

2010-04-15 Thread Hobbs, Carl
Imhojust do it on your tissue and include a no primary control. If the latter is clear, don't worry about MOM. If it is not, then we can advise further. You don't state what Ab/tissue/detection system you are using.. This would help a lot as protocols will vary according to the tissue

[Histonet] Re: IHC Question

2010-02-17 Thread Johnson, Teri
Dear Ellen, You wrote: I'm interested in performing IHC on a mouse ligament.Given their minuscule size, in lieu of paraffin or cryostat embedding and sectioning, we would like to embed in plastic and section at 1 micrometer. Things we are interested in detecting include collagen type 1

[Histonet] Re: IHC Zinc Fixative supplier/source

2009-10-15 Thread Robert Richmond
Gayle Callis - thanks for the IHC zinc fixative brew - promptly copied into my permanent files on the subject. Bob Richmond ___ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet

[Histonet] Re: IHC on plasma cells

2009-09-28 Thread Johnson, Teri
Kim, CD138 is a good marker for plasma cells. Contact Chris van der Loos for a protocol. He mentioned this at NSH in Denver 2007. Teri Johnson, HT(ASCP)QIHC Managing Director Histology Facility Stowers Institute for Medical Research 1000 E. 50th St. Kansas City, MO 64110

[Histonet] RE: IHC free floating sections

2009-07-31 Thread Mitchell Jean A
Michael: I use 1.5mm nichrome transfer loops for IHC staining of 50um free floating sections and I move them into clean culture wells for each solution. I purchase mine from Ted Pella. It does takes some practice but the loops work quite well with minimal damage to the tissue. Jean Mitchell,

RE: [Histonet] RE: IHC free floating sections

2009-07-31 Thread Montina Van Meter
Rouge, LA 70791 225-763-2564 -Original Message- From: histonet-boun...@lists.utsouthwestern.edu [mailto:histonet-boun...@lists.utsouthwestern.edu] On Behalf Of Mitchell Jean A Sent: Friday, July 31, 2009 8:30 AM To: Michael Patrick; histonet@lists.utsouthwestern.edu Subject: [Histonet] RE

[Histonet] Re: IHC free floating sections

2009-07-31 Thread Hobbs, Carl
Apologies if I have not adhered to Histonet protocol: I have changed my Browser from IE8 to latest Firefox and am not yet familiar! I agree with Rene: stay with the same wells and give additional, longer washes. Imho, even experienced users suffer section damage if they change wells.

Re: Re: [Histonet] Re: IHC on frozens

2009-07-07 Thread TF
; this approach does not require HIER. 2009-07-07 TF 发件人: Colleen Forster 发送时间: 2009-07-07 02:41:59 收件人: Johnson, Teri 抄送: histonet@lists.utsouthwestern.edu 主题: Re: [Histonet] Re: IHC on frozens I disagree. I do heat retrieval on frozen sections that have been fixed in a formalin fix

[Histonet] Re: IHC on frozens

2009-07-06 Thread Johnson, Teri
In response to this thread: snip Kimberly: Your question has a two parts answer: 1- it cannot be done because the sections will peel off, but most importantly 2- it is not necessary since HIER was developed to undo the cross linkage produced by the NBF fixation, and the tissues used for?FS are

Re: [Histonet] Re: IHC on frozens

2009-07-06 Thread Colleen Forster
I disagree. I do heat retrieval on frozen sections that have been fixed in a formalin fix. If you use the correct protocol you can get very nice IHC on these. Colleen Forster HT(ASCP)QIHC Anatomic Pathology Research Laboratory U of MN Johnson, Teri wrote: In response to this thread:

[Histonet] Re: IHC automated buffers

2009-03-31 Thread PALMER Jason (SVHM)
We also make our own TBS for our Dako autostainer, same as Jan. I have used PBS instead of TBS at times, when transfering a bench run where I used PBS / tween (my standard buffer) to the machine. I wonder if TBS really does give better results than TBS, when averaged out over all Abs? I do

[Histonet] Re: IHC chromogen loss, HELP!

2009-03-12 Thread Sarah Tarran
Hi Meghan, We had the same problem with Vector VIP - I stain both atherosclerotic specimens and burns - for some reason the athero samples were fine but the burns compeltely lost their colour. It turned out, for us, it was the alcohol in the dehydration step that was stripping the colour. I would

[Histonet] Re: IHC and ISH

2009-02-02 Thread Aprill Watanabe
Bond from Leica. It's a great machine and very user friendly. The training was great and effective. The technical staff helps in so many ways. I've had my machine for 3 years and would get another one if we increased our volume. On 2/2/09 4:16 PM, histonet-requ...@lists.utsouthwestern.edu