Re: [Histonet] p2y12 cryo rat problem high background

2018-11-15 Thread Allyse Mazzarelli via Histonet
Hi Esther, I worked extensively with brain and spinal cord sections in the past, in multiple species. You need endogenous quenching step. I would always make my own (commerically available components yielded different results). I used a 0.09% H2O2 in 6% Triton-X 100: (formula: 200mL 1x PBS + 6mL

[Histonet] Help with frozen spleen and liver tissue!

2018-11-14 Thread Allyse Mazzarelli via Histonet
Hi all, Can someone please provide me with more details regarding cryosectioning of mouse spleen and liver tissue? Currently, I've been fixing my samples in 4% PFA (they are well fixed - I know that will be the first question asked!), and then cryoprotect the tissue in a series of graded sucrose

[Histonet] Help with liver/heart tissues

2016-06-14 Thread Allyse Mazzarelli via Histonet
Good afternoon, I am having a few issues getting nice morphology from both liver and heart tissues. I currently work only with CNS tissues (brain, spinal cord, DRG, etc.) but recently, our research team have become interested in immunostaining some peripheral tissues, including the heart and

[Histonet] H Protocol for Fresh-Frozen Brain and Spinal Cord

2015-12-02 Thread Allyse Mazzarelli via Histonet
Hi Histonet! I was wondering if anyone could provide me with a reliable H protocol for fresh frozen tissue. Currently, we cut our slides on the cryostat and store them at either -20 or -80 (depending on the study director) until they require us to stain for morphology. Typically the tissue isn't