Has anyone tried cross-linking cells with formaldehyde before co-immunoprecipitation?

Hi, I am currently trying to co-immunoprecipitate a protein but the interaction between that protein and its binding partner is not stable. Sometimes we able to detect its binding partner but...

29 November 2020 9,261 3 View

How to fix half the molecules in an ensemble while annealing?

I created a rectangular ensemble consist of crystalline erythritol molecules. I want to create a liquid-solid interface through annealing, making half of the ensemble amorphous and keep the other...

27 September 2020 2,632 1 View

GROMACS How do I apply position restraints on erythritol molecules?

I was trying to apply restraints on my molecules, however, they were still moving after I put 100000kJ/mol/nm^2 on them. I am sure my topology is correct, so I think maybe its the correlation of...

23 September 2020 3,958 3 View

TOP/FOP-FLASH assay in HEK293T cells?

Has anyone tried to study Wnt signaling in HEK293T cells? I have been trying to measure the Wnt activity using TOP/FOP-FLASH assay but the readings that I got are rather similar in both TOP and...

28 August 2020 6,052 4 View

A question about western blot?

I have run western blots for 25 years. Today I got this strange blot using Aviva OAPB01225 klotho antibody and 1% BSA in TBST to block for 1 hour. It doesn't matter whether I load 10 ug or 50 ug...

31 December 2019 9,605 3 View

Loading control for membranbe proteins?

I need to study cell membrane protein by western blots but encounter a problem with adequate loading control. Any suggestions?

07 August 2019 3,010 5 View

How mitochondria mediates fatty acid metabolism in cancer cells?

We just identified a mitochondrial protein that regulates fatty acid metabolism (FAM) in cancer cells. Does somebody have expertise in FAM? For example, which kit(s) or method(s) can be used to...

01 January 2019 4,187 3 View

Calculation of drugs concentration from IC50(in vitro) to CED(in vivo) injection?

Convection-enhanced delivery (CED) system is a powerful treatment for directly bypass BBB in brain tumor therapy. I try to set up the system and the in vivo animal model. In the begin, we use TMZ...

26 June 2018 7,719 3 View

Do we have unimolecular organic reaction during 350K for kinetic study?

30 January 2018 7,970 2 View

Any need to do unit root test for very short time series?

I read that the validity of unit root test becomes very small if the number of observations is small. In this case, it is very likely to have Type II error, say wrongly accepting the null...

08 January 2018 1,505 11 View

How can I measure MMP-1 protein activity or protein level from liver tissue?

Instead of checking only the mRNA level, I want to check the active protein level of MMP-1 in Liver tissue from mice. How can I do that?

03 March 2021 1,763 2 View

IHC on mouse liver hepatocytes?

Can anyone help me choose primary antibodies for mouse liver hepatocytes and also in conjunction Cd8 cells. Also Cd3 cells. I want to look at hepatocytes and adjacent immune cells in mice with...

01 March 2021 6,953 1 View

How to avoid ulcers in s.c. injected tumors ?

Recently, we have injected s.c. B16F10 tumor cells in BL/6 mice. At around 12-15th day some animals showed ulcerations in tumors , with a big hole in the middle (it looks like a volcano). We have...

01 March 2021 9,938 3 View

Interested to stain mice tissue with WGA 488 conjugate, anybody has a protocol to recommend?

Interested to stain mice brain tissue with WGA 488 conjugate, appreciate if anyone willing to offer me some guidance or suggestions! Thank you!

28 February 2021 3,951 2 View

Looking for genomic DNA extraction kits from mouse tissue (centrifuge-based, not spin-column)?

Hello. I am looking to extract genomic DNA from mouse brain and lungs and I need a kit that is not spin-column based because I need to scale up the solution amounts for 400mg tissue (most cap at...

25 February 2021 155 2 View

What are the pros and cons for mice versus rats?

Hi Everyone, I am designing a pilot study using rodents to assess the effects of simulated space environments (radiation + altered gravity) on microbiome and immune system. I have limited...

24 February 2021 1,825 3 View

Is it harmful to breed for Cre Homozygosity initially?

Hello, I am currently using a Cas9 knock in system that will be expressed in the liver. To do so STOP codon fl/fl Cas9 KI mice were bred with Albumin-Cre mice to generate heterozgous pups, that...

24 February 2021 5,759 3 View

How to empty large intestine in mice ?

Hi all I am working on colon-targeted drug delivery for which I kept mice fasting for 6h using fasting grills during scotophase (dark period). I observed liquid fecal content in the cecum and...

23 February 2021 7,701 2 View

Does PHA-P stimulate the proliferation of lymphocytes from mice?

Hello, I will start performing MLR using lymphocytes from mice's spleen and I would like to know the better way for the stimulation. If is using PHA-P or CD3/CD28? I would like to know as well if...

23 February 2021 5,476 4 View

How to culture mouse pheochromocytoma cells (MPC)?

Hi Everyone, Has anyone here worked with MPC cell line? Any tips or tricks? I am just venturing into cell biology and any advice on this topic would be highly appreciated. Thank you so much. Niusha

22 February 2021 3,891 2 View