You are basically saying that you have a refrigerator with some food in it, but you don't know what exactly is there. So you are asking us what kind of food to make. To which I say: make tiramisu. And someone else will say: make an omelet. Or scones. We don't know what your goal is or your ability, and you won't know either whether any of our suggestions will be doable no matter how good they sound. This is simply not a way to do it. I suggest you find someone near you to provide guidance.

Just my two cents, but actually technology and experiments should be chosen to answer a specific question you have according to your research topic, not vice versa. What is your scientific question? "A DNA" is not really helpful, this is like telling a computer scientist that one has "a computer" and asking what one could do with it, but not saying whether this is a laptop, PC, or server farm and without specifying what the question is ;-)

Let me say that what your lab is doing sounds quite unethical, at least in case you got new data from patients. It is not clear where that data comes from and if you are in fact using published or public data, please excuse the following rebuke: You are dealing with human data from people who are severely ill. Did you get an informed consent from the patient? Then you can do with the data whatever the patients have consented to, but now you are telling us your lab has stock-piled data from those sick people without an actual plan of what to do with them? I really hope this is not the case. But then, if your lab has a plan, why don't you simply ask your lab manager what that plan was?