Sorting MCF-7 cancer stem cells ?

hello, Is there anyone who has sorted MCF-7 using CD24-/ CD44++/CD326++(epcam) markers. I got articles with CD24/44. Please share some articles with FACS profile from mcf-7 and MDAMB 231 with...

04 May 2018 2,260 0 View

Lentiviral packaging Vectors?

08 September 2017 8,799 0 View

Tumorsphere assay cell count ?

08 September 2017 5,120 6 View

PLKO1 vectors transduction?

We are going to use SHC001 Scramble vector from sigma it does not contain any shRNA or GFP tag, however, it has ampicillin and puromycin resistance genes. In this case, how to characterize that...

08 September 2017 4,824 7 View

Pyruvate kinase M2 assay?

We have synthesized some inhibitors for PKM2 enzyme. we are planning to perform enzyme kinetic studies. we studied some protocols for the same but conc. of enzymes to be used are missing. some of...

08 September 2017 2,800 5 View

Can MDAMB-231 cell be grown in DMEM media?

I want to do tumorsphere assay with MDAMB231 it is usually grown in L-15 or RMI 1640 media. So, do I need to prepare cancer stem cell CSCs specific media in L-15 or can I use CSCs media prepared...

07 August 2017 8,079 3 View

Which form of sh RNA is best for experimental purposes?

06 July 2017 9,969 3 View

Sodium phosphate buffer and potassium phosphate buffer

is there a major difference between sodium phosphate buffer and potassium phosphate buffer. can they be used alternatively?

06 July 2017 8,757 4 View

Regarding pLKO1 vectors?

04 May 2017 8,323 1 View

Characterization of cancer stem cells?

Hello, I have isolated cancer stem cells from MCF-7 cells. I want to characterize these cells. Is there any option available other than FACS? Can we do it with PCR or western blot for markers of CSCs?

03 April 2017 293 5 View

How to quantitative analize the data of TNBS assay for gelatin?

Estemeed colleagues, I found some issues regarding the quantification of the data for TNBS assay. There are different protocols on how to perform that but it is clear to me the "fil rouge" that...

02 March 2021 2,616 1 View

How to simultaneously perform multiple biochemical assays?

I am a research scholar working on heavy metal stress on plants. I will be doing biochemical characterisation( protein, carbohydrate, proline, antioxidant enzymes and many more assays) at interval...

01 March 2021 6,999 3 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View

I have a time series data of some biochemical studies ( DNA and Chromosomal damage) which I intend to use to further predict into future ?

I have a time series data of some biochemical studies ( DNA and Chromosomal damage) which I intend to use to further predict into future without necessarily conducting the assay for an extended...

23 February 2021 7,842 1 View

What is the standard protocol in doing replicates for C. elegans lifespan assay on solid media (thru worm picking)?

I would like to know what is the standard protocol in the number of worms per plate and number of plates per concentration of extract X in a lifespan assay done in solid media and not automated...

23 February 2021 9,933 1 View

Why anti-CD20 or other antibodies are not used to label target cells in flow cytometry t-cell cytotoxicity assay?

New to the field of cell therapy. Why fluorescent-labeled antibodies to target cell antigens are not used for determining target cell count by flow cytometry in cytotoxicity assay (eg car-t)? Cell...

21 February 2021 3,278 3 View

Can anyone help or comment on solubilising chlorobutanol in aqueous injections in minimum time possible?

Please suggest solubilisation of chlorobutanol in injections. Tried pH and high temperature. But the issue is of assay drop. If anyone can suggest any solution. Its a commonly used excipient for...

21 February 2021 7,397 1 View

Did anyone perform CD107a degranulation assay without the use of inhibitors like monensin?

I am planning to perform a degranulation assay using CD107a antibody. Some resources suggest to use inhibitors like monensin to inhibit the intracellular traficking and acidification of the...

21 February 2021 6,260 3 View

Are exogenous molecules transferred between human cells during doubling ?

Hello RG community, I wonderer whether exogenous molecules (e.g. reporter plasmids, miRNAs or other artificial molecules) are transferred between cultured human cells during their doubling ? So,...

21 February 2021 6,633 3 View