Finding specific cDNA's

Use this category for questions directly related to DNA manipulation (isolation, purification, sequencing, etc.) and questions regarding general PCR methodologies

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Finding specific cDNA's

Postby karel5_98 » Aug 07 2012 11:01 am

What's the general procedure for finding out if a cDNA of a certain gene is available, and how should I order or ask for it?
I wonder if some database could give me the required information.

Thanks in advance.
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Re: Finding specific cDNA's

Postby relaxin » Aug 07 2012 11:12 am

A number of companies sell expression-ready cDNA (or ORF) clones. For example, ATCC, Origene, and Addgene. If you want it for free, you may search PubMed with names of species and gene you want and see if someone else has cloned it. Then you can send them an e-mail and ask for it. Most scientists are nice enough to send it to you with the only restriction on research use only and that you will not pass it to a third party.
Not affiliated with any company. Mention of a specifc product does not imply my endorsement of the product. No conflict of interest or guarantee to work on the advice given. Do as I say, not as I do. Not liable to the loss of your valuable samples.
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Re: Finding specific cDNA's

Postby Openbiotechnology » Sep 17 2012 11:50 pm

its pretty easy and straight forward to pull whatever cDNA you want out of yourself assuming you want a human cDNA, or whatever else if you have the organism handy.

Use reverse transcriptase, do pcr, done.
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Re: Finding specific cDNA's

Postby mchlbrmn » Sep 22 2012 12:03 am

Openbiotechnology wrote:its pretty easy and straight forward to pull whatever cDNA you want out of yourself assuming you want a human cDNA, or whatever else if you have the organism handy.

Use reverse transcriptase, do pcr, done.

You'd probably be violating safety rules if you do that. Human tissue makes it a BL2 procedure, and then there's consideration of 'informed consent' and 'research subject protection rules' about getting the tissue sample. It's a nightmare to consider all that dangerous biological material inside my body.
But, yeah, I agree it's not extremely difficult to clone genes yourself. The considerations are whether you have access to a tissue that expresses the gene(s), and the sequence should be verified by sequencing, so consider that if the gene is large this takes more effort.
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