Originally Posted by Kyrpa
The last paragraphs comes very important to knowledge when starting to clamp with US.
Clamping in a hot bath tub with US and a aluminum foil reflector on the opposite side to bounce the waves back into the tissue could be optimal for clamping.
Have you taken a look at the NKISK papers? There is about 3-5 papers if you search. The results are quite remarkable. I think it explain what is happening with the fibrils. They are not breaking or rupturing, they are simply sliding past one another. This is possible because the fibrils are discontinuous. They have a finite length.
The more interesting thing however is that NKISK was shown that when injected into tendon against control creep/strain was attained in the range 10-20% over control. The way it works is NKISK replicates the Decorin-fibronectin binding site and by binding to one side of the site it blocks decoring-fibronectin binding and thus lets collagen fibrils slide past one another.
NKISK is simply a pentapeptide, a small chemically synthesized peptide of 5 amino acids in the sequence Asparagine (N)-lysine(K)-isoleucine(I)-serine(S)-lysine(K). It is like insulin, in the sense that it is composed of amino acids, but much much shorter. Insulin has 51 amino acids. So it is quite "natural" let’s say, as it is just injecting amino acids in a PBS solution (which is a buffer to keep the PH at around 7.4 and compatible with bodily fluids).
The greatest length was achieved in a rat patellar tendon, which measures 8.8mm, by injecting 50mM NKISK in PBS solution in a 1ml volume once a week for 4 weeks. Then the rats were killed and the tendons loaded. 20% strains over control were achieved, which is p<001 statistically significant of course. However, there were strains over control of 10-13% just with 5mM of NKISK injected daily for 7 days. Thus there is a dependency on the dose of NKISK on the strain achieved, as well as the volume of the injection ( this means the tendon is more saturated and the solution can encompass it better if the volume is higher).
I am thinking in a 20cm dick, a ligament (cord) not including the head, of 15cm, split into 8.8mm segments, would require around 8 injections of 50mM NKISK for each side. Can you imagine a 20% strain it would be around 4cm!
So hypothetically, as it is not for human use, as it is not approved by the FDA or deemed safe, to that effect, one must at least use 5mM per day or 50mM a week, or anything in between in 8 places on your dicks cord. 1ml is quite a bit of volume so perhaps one can reduce it to half, to 0.50ml, otherwise you are injecting 8ml at once to your cord, which seems like a lot, but perhaps with experimentation it isn’t.
Because NKISK is a custom peptide it is quite expensive. I’ve reached out to various labs and at one lab, the cost was for 100mg of NKISK it is $360. For 1000mg it is around $800. This is only for research purposes, and not for use in humans, as many other anabolic steroids like testosterone and HGH peptides are.
With 100mg one can make eight 0.50ml injections of 21mM NKISK. Ideally, if one could afford $800 they could make much more, enough to be able to replicate the 50mM weekly injection in 8 places, for 4 weeks, and see if one could obtain the maximum benefit.
Calculator: Molarity Calculator | Molarity Triangle | Tocris Bioscience
M. Wt of NKISK is 588g/mol
Other agents that have achieved the effects of NKISK are Relaxin, Polylysine, Gentamicyn, and Tobramycin.
However:
Polylysin is KKK, a tripeptide, but it does not replicate the decorin-fibronecting binding site, so it probably inhibits binding less than NKISK. NKISK is not perfect either, as the exact sequence is not found out yet that perfectly inhibits this binding, but it is estimate that there is 70% inhibition. With KKK probably less than 70%. However, KKK is only 3 aminos, so it is going to be around 3/5 of the cost of NKISK, as the custom peptide lab charge per AA.
Gentamicin and tobramicin are antibiotics so that is out of the question for me.
Relaxin is the hormone excreted when women give birth and it helps to stretch the uterus and ligaments in the pelvis so the baby can be born. It is quite expensive, and the one you would want to try is relaxin 2. It is synthesized using recombination with the e.coli bacteria, and one can obtain about 25ug of it for $250. Relaxin had same effects as 1mg of NKISK by using 46 units/ml of relaxin, which with 25ug you can make about 70 units/ml. The calculation is quite complicated. But relaxin has been shown in studies to promote cancer growth aggression if there is cancer present, so that scares me a bit. Also, for relaxin to work, the target must have receptors. We are not sure penile ligaments have relaxin receptors. But apparently patellar tendons in rats do, so there is that.
The risks…. The risks of injecting NKISK or KKK is unknown, although there were no side effects for NKISK over the 4 weeks in multiple rats, over the long term we don’t know. Because it is a small peptide of just 3-5 aminos, it is not a lot I would think. I definitely don’t encourage the use of it as it is "illegal", as all these other peptides like HGH and IGF-1, unless it is for research purposes. But I think this can be groundbreaking for PE.
If we can inhibit the binding of the fibrils, we can much more easily stretch this cord.
Sorry for the long post, the main thing was how these fibrils are sliding past one another. Maybe not lengthening, maybe just sliding past their finite lengths. And perhaps both.