Re: [Histonet] Astrocyte immunohistochemical marker

2015-04-15 Thread John Kiernan
Immunostaining for GFAP has been the definitive method for astrocyte cytoplasm for 30 years, and good primary antibodies have been around for at least 20 years. The distinction between different kinds of astrocyte is made by staining with serial dilutions of the primary antiserum. Reactive astro

[Histonet] RE: ORO tissue falling off

2015-04-15 Thread Grantham, Andrea L - (algranth)
I used to be the Queen of ORO in my lab at the University of Arizona. I had some of the fattiest livers that could be possible from different research projects. I never had a problem with the livers staying on the slide. I used Epic coated slides or Stat Lab slides and the protocol was from Frei

Re: [Histonet] Bouin's, formic acid & and sirius red staining

2015-04-15 Thread John Kiernan
Fixation must be adequate before decalcifying. 12-24h in Bouin is OK. My favourite formic decalcifier is that of Clark (1954) Am. J. Clin. Path. 24: 1113-1116. It's a buffer (pH2.0) made by mixing 90% formic acid 250ml, water 750 ml and sodium formate (anhydrous) 34g. Keeps for ever. Check the r

[Histonet] Astrocyte immunohistochemical marker

2015-04-15 Thread Stephen KumJew
I was wondering if anyone could recommend an antibody (and best dilution) which is more effective than GFAP in staining both resting and active astrocytes in human brain please. Thanks STEPHEN KUM JEW | Senior Technical Officer Discipline of Pathology | School of Medical Sciences THE UNIVERSIT

RE: [Histonet] RE: ORO tissue falling off

2015-04-15 Thread Linda Prasad (SCHN)
I Know fatty tissue is such a pain to cut. Bryan Llewellyn gave some really good techniques. Im going to try them out myself :) Linda Prasad | Senior Scientist | Histopathology t: (02) 9845 3306 | f: (02) 9845 3318 | e: linda.pra...@health.nsw.gov.au | w: www.schn.health.nsw.gov.au Cnr Hawkesb

Re: [Histonet] RE: ORO tissue falling off

2015-04-15 Thread Caroline Miller
+1 to Linda, but I have found no difference on overnight vs multiple days. Fatty liver is hard to do on all counts! It is tough enough sometimes to get a decent section on the slide. Thanks for the other suggestions, certainly something I would try in the future Yours Caroline Caroline Miller

RE: [Histonet] Bouin's, formic acid & and sirius red staining

2015-04-15 Thread Linda Prasad (SCHN)
Hi Tryrone A Mass Trichrome stain will stain up the collagen in the diseased kidney. If the tissue has already been fixed in Bouin's Solution you can omit the picric acid step. Another good stain is the Curtis's Van Gieson Stain. Ive sent you the protocol for botht he stains. Hope it helps.

[Histonet] RE: ORO tissue falling off

2015-04-15 Thread Linda Prasad (SCHN)
Usually with the fatty tissues, I pick them up on superfrost slides and let it air dry for 2-3 days at room temperature and then perform the ORO stains. So far they seem to stay on. Linda Prasad | Senior Scientist | Histopathology t: (02) 9845 3306 | f: (02) 9845 3318 | e: linda.pra...@health.n

[Histonet] FW: Cost of a Slide in LA

2015-04-15 Thread Carol Fields
From: Carol Fields Sent: Wednesday, April 15, 2015 2:48 PM To: 'histonet-boun...@lists.utsouthwestern.edu' Subject: Cost of a Slide in LA Hi Netters, Could someone tell me what the cost of a slide would be in the Los Angeles area? Also what labs charge in this area to make a slide? I realize I

[Histonet] FW: Cost of a Slide in LA

2015-04-15 Thread Carol Fields
From: Carol Fields Sent: Wednesday, April 15, 2015 2:48 PM To: 'histonet-boun...@lists.utsouthwestern.edu' Subject: Cost of a Slide in LA Hi Netters, Could someone tell me what the cost of a slide would be in the Los Angeles area? Also what labs charge in this area to make a slide? I realize I

[Histonet] RE: perfusion stiffness

2015-04-15 Thread James Watson
Watch the liver, it will change color as the blood is washed out. Are you perfusing first with PBS to rinse the blood out, if you start with formalin small blood vessels and capillaries can become blocked by the blood that has coagulated when exposed to the formalin. We actually flush with 10%

[Histonet] Bouin's, formic acid & and sirius red staining

2015-04-15 Thread Tyrone Genade
Hello, Some questions regarding Bouin's solution. I was told, back when I was doing my PhD and new very little, that I should fix my fish in Bouin's as it will decalsify the bones. Well, Bouin's fixed fish were easier to cut than PFA fixed fish... but I read today that by adding formic acid the d

[Histonet] RE: perfusion stiffness

2015-04-15 Thread David Wright
Hi Yves & Histonet It is certainly a good sign if limbs etc are stiff after perfusion, but maybe not a guarantee that the target organ is perfect given the short perfusions you describe. Definitely, if I don't see stiffness I worry, check for a torn aortic arch (you are doing it transcardially,

RE: [Histonet] soften beak

2015-04-15 Thread Rui TAHARA
Thank you for suggestions for softening beak. Yes, I actually processed the whole head for decalcifying first and then place the sample in 10% KOH for 30 mins. It was my first attempt to process beak (including a whole head) thus, i did not know i should have processed softening beak first. An

[Histonet] RELIA Histology Careers Bulletin 4-15-2015 What's Right in Your Backyard?

2015-04-15 Thread Pam Barker
Hi Histonetters! So how is your week going? I cut out of work early yesterday and headed over to the beach to watch the launch of the SpaceX Falcon 9 Rocket. It was amazing I've been promising myself for years that I would go over and watch a launch at the beach. Living in Orlando I rarely

Re: [Histonet] ORO tissue falling off

2015-04-15 Thread Bryan Llewellyn
There are a couple of old techniques you might try. 1. Smear some Mayer's egg albumen on a slide as you would normally do, i.e. very thinly, then hold it in a flame until it smokes. Allow to cool and pick up the section. Allow to drain well. 2. Same as 1, but place the slide with the picked u

[Histonet] ORO tissue falling off

2015-04-15 Thread Jo-Ann Bader, Ms.
We are having difficulty with a particulate set of very, very fatty mouse livers. The normal livers from this set stay on the slides the fatty livers fall off. We have used different types of charged slides and we have even tried to drench the charged slides in Stay-On, dry them and then put t

[Histonet] PA Competency

2015-04-15 Thread Scott, Allison D
Hello to all in histoland. Does any one have a competency evaluation for a Pathologist Assistant that they would be willing to share. Any help in this would be greatly appreciated. Allison Scott HT(ASCP) Histology Supervisor LBJ Hospital 713-566-5287(Lab) 713-566-2148(Office) CONFIDENTIAL