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Can a woman get another woman pregnant with bone marrow

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Human bone marrow has been used to create early-stage sperm cells for the first time, a scientific step forward that will help researchers understand more about how sperm cells are created. For the experiment, Prof Nayernia and his team took bone marrow from male volunteers and isolated the mesenchymal stem cells. These cells have previously been found to grow into other body tissues such as muscle. They cultured these cells in the laboratory and coaxed them into becoming male reproductive cells, which are scientifically known as 'germ cells'. Genetic markers showed the presence of partly-developed sperm cells called spermatagonial stem cells, which are an early phase of the male germ cell development.

SEE VIDEO BY TOPIC: Cancer Nurse Practitioner Celebrates Her Bone Marrow Transplant 18 Year Anniversary

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Bone stem cells turned into primitive sperm cells

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I guess after being told to "Go Fuck Yourself" for so many years, these scientists finally found a way to do it. There will be some interesting debates raging about this one for a long time. I'm of the opinion that on the whole, we are better off with the process of gene mixing than practicing self-eugenics.

Since when is human reproduction about strengthening the gene pool, and since when are your "gay friends" inherently unable to reproduce naturally? Better question is "since when is natural a good thing"? History of human progress is the history of defying mother nature to make life more convenient than she would have it. Parent Share twitter facebook linkedin Fundy, go away. Score: 3 , Insightful by TheMCP writes: If the world was entirely gay, we would be wiped out in one single life cycle.

Dear god, it's bad enough we have to listen to this same tired old crap on every damn right wing "news" site, do we have to put up with it here on slashdot too? Gay people are perfectly capable of having children and often do.

Go to any major american city's gay pride parade and you'll see a large troupe of gay and lesbian parents marching with their children. We're just less likely to do so, because of a number of reasons prominen. It's like that. Same deal the other way. The gay people that I know at least don't find straight sex "disgusting". It just has no sexual appeal to them. But they may still have a drive to have children -- so it migh. But many women like the, ahem, companionship of other women.

If this has a genetic basis almost certain then the genetic offspring of two such women is very likely to feel the same way. A female-only subculture is almost certainly on the way. The depressing thing is, as a man I can't really think of why we should be allowed to stick around. If this [homosexuality] has a genetic basis almost certain empahsis mine Are there any actual properly controlled studies on this? I'm not being facetious, I'm geniuinely interested.

If course there's two ways that a 'reverse' preference could happen I seem to remember a pair of identical twins, one gay one straight, though can't provide a link as it's too vague for even google to help which would count against the genetic theory. I don't think enough emphasis is put on the fact this method produces birth defects. The thing about gay men having a bigger cock is true though. Would it turn me gay? Re: Score: 2 by jacksonj04 writes: Noo, correlation does not imply causation!

Twins are more likely to be subject to the same or similar environmental factors, at least until the age of puberty. It's just as much a vote for nurture as for nature. As for the bigger cock argument, I reckon that's rubbish. I'm not gay, but I've got enough gay friends to have a reasonable grasp pun absolutely intended of the field. If bigger cocks are classed as desirable, then those people with bigger cocks who may be gay are more likely to be approached and br Re: Score: 3 , Funny by Rabbit Time!

As a woman, that would make me very sad. You guys are already have an average hotness value much above straight men, do you have to take the big cocks away from us too? Have you no decency? I read the article you linked, but it dealt primarily with gender rather than sexual preference. So, for starters, do you have any more links to sources? Also, by "hardwired," I assume you mean genetic? I know there are cases in which brains essentially re-wire themselves.

I wonder if, regardless of whether or not sexual preference is hard-wired to begin with, psychological issues could play a strong enough r. Seymour Benzer's group at Caltech demonstrated that male homosexual fruitflys must ignore obvious pun Benzer's group isolated the key difference down to some six cells in the portion of the fly's brain that is responsible for sexual attraction. They found that in the case of the homosexual fly, the cells had inherited two x chromosomes in lieu of the ordinary x-y pair.

They attribute. Come to that, why should people with disabilities be allowed to stick around, when a fully able-bodied society would be perfectly viable? Why should people with dark skin be allowed to stick around, when a fully-white society would be perfectly viable? Why should Jews be allowed to stick around, when a fully Jew-free society would be perfectly viable?

Most people view such questions as shocking, revolting, taboo. We have collectively decided that such questions simply have no place in our lives.

We do not need any explanations or justifications: the idea that all these groups have a fundamental and irrevocable right to exist is taken as axiomatic. It's one of the foundations of our modern western civilisation, period, and there is simply no further room for debate.

The question of whether men should be "allowed" to exist is the same question, asked in a different way. Therefore the answer, to people in our society, will be the same: of course men must be allowed to exist. No justification will be required. Not to invoke Godwin or anything, but there's a reason some people refer to extremist feminists as "feminazis".

Their views are unlikely to become mainstream any time soon. Parent Share twitter facebook linkedin Re:Of course men not obsolete just yet Score: 5 , Insightful by thesandtiger writes: on Saturday February 02, AM Don't fall into the trap that "biological" means "genetic. It seems to be more complicated than most - including myself - think.

Parent Share twitter facebook linkedin Re: Score: 3 by syousef writes: But many women like the, ahem, companionship of other women. Such changes: 1. Take time. Generations, literally. A sub-culture already exists but it's not prevalent.

For Men will win in the end sort of Score: 5 , Insightful by mithras invictus writes: on Saturday February 02, AM While feminists like to exaggerate the bad properties and general uselessness of men and the superior characteristics of women, they fail to realize that those properties have been genetically selected by their sexual counterpart.

If men are really that useless, this must mean that women really suck at selecting a sexual partner. If womens "stupid useless macho" partner preference is left unchecked by a mitigating male preference, everybody in the future will pretty much be a man with different sexual organs. Might be partially developmental - possibly prenatal, but not entirely genetic.

A lot of the high-profile studies claiming to have found something concrete don't seem to have held up well. In terms of why we should stick around, have you ever seen how a workplace consisting of entirely women can get really unpleasant?

A lot of women hate it. My wife's worked at a couple of places like that, and she comments that it's like they never left high school - cliques, gossip, b. Here it is again.

A good time to wheel it out Is there Anything Good About Men? From a sexual point of view, most women are still part conditioned and part pre-programmed to want male ahem companionship.

I could put this much more crudely but I won't. Yes, we want financial security - name me just one person in this world, of either sex, who doesn't.

Yes, most but not all of us want to raise families. Yes, we want you to share the workload of raising the kids - it's a damned hard job, as I'm sure you are aware, on top of whatever other 'duties' the woman of the house takes on e.

Yes, the mother-child bond is strong - damned strong - but the bond between the two partners is only as weak as the weakest member of that partnership. My apologies, of course, for presuming Slashdot is primarily a male audience. Either you never had kids or had friends who did, or you live in quite a weirdo world, as this is one of the first thing they'll tell you about in prenatal courses and it is quite hard to miss. Women have an extremely strong "nesting" instinct when it comes to dealing kids That seems like common sense to do, and guys at least, the non-stupid ones know what to do, but.

But parking aside, this sounds like the kind of thing that would have us in genetic hot water in only a few generations. It would be much more encouraging to hear about research into the "shrinkage" [wikipedia. It would be nice to be able to "fix" this if it ever becomes a real problem.

I'll still need someone to take out the garbage. Still, it's a step in the right direction to completely obviating the more superfluous sex. Actually I was wondering how this affected anyone on Slashdot as none of them get to mate ever anyway.

Lets face it, robotic mowers exist. Garbage chutes exist. But dildo's have been around for millenia and they never replaced us yet. Mind you, it is murder on the hips but a man got to do, what a man got to do. I will bravely sacrifice myself so that the rest of slashdot can live a pure life! Yes I am that noble. There may be more comments in this discussion.

Bone Marrow Stem Cells May be Vital for Pregnancy

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Jones: What if anyone, man or woman, young or old, could make eggs out of skin cells and have an unlimited and easy to access source of baby making? How could that happen?

The study shows that when an egg is fertilized, stem cells leave the bone marrow and travel via the bloodstream to the uterus, where they help transform the uterine lining for implantation. If the lining fails to go through this essential transformation, the embryo cannot implant, and the body terminates the pregnancy. But knowing that bone marrow has a significant role is a paradigm shift. In this study, the researchers were able to prove the physiological relevance of stem cells to pregnancy. Reshef Tal , first author of the study and assistant professor of obstetrics, gynecology and reproductive sciences at Yale.

Stem Cells and Same Sex Reproduction

It may be hard to get and stay pregnant for some would-be mums, but there is hope. Scientists have discovered the vital role bone marrow plays in pregnancy, which can lead to new therapies in the future. In 10 seconds? Stem cells play a key role in successful pregnancies. Read the science. What exactly was discovered? Stem cells arriving from the bone marrow to the uterus transform its lining and help the implantation of the embryo by becoming decidual cells essential for getting and staying pregnant. If this transformation does not occur, the pregnancy will terminate.

Sperm Cells Created From Human Bone Marrow

The breakthrough paves the way for lesbian couples to have children that are biologically their own. Researchers at Newcastle upon Tyne University say their technique will help lead to new treatments for infertility. But critics warn that it sidelines men and raises the prospect of babies being born through entirely artificial means. The research centres around stem cells - the body's 'mother' cells which can turn into any other type of cell.

Stem cells have generated such an enormous amount of interest, in part, because of their applications related to areas such as fertility and genetics. In that same light, their interest for solving reproductive challenges has also generated a great deal of controversy.

Log in Advanced Search. A study in mice suggests that bone marrow-derived stem cells may play a role in establishing pregnancy. The research showed that the stem cells can travel through blood circulation to the uterus, making it more receptive for a new embryo.

How bone marrow boosts chances of a healthy pregnancy

But recently a team of scientists announced they had made artificial sperm from human bone marrow , and media reports abounded with the dire news that my goodfellas and by extension, me had been rendered unnecessary. There are at least half a dozen reasons why such speculation is silly, some scientific and some practical. For example, as long as sex feels good and remains no more expensive than dinner and a bottle of wine, most people will use natural-grown sperm.

SEE VIDEO BY TOPIC: Same-Sex Reproduction Using Stem Cell Technology - Natasha Natarajan - TEDxUSC

Since the late s, scientists have explored how to produce sperm where all of the chromosomes come from a female donor. Creating female sperm was first raised as a possibility in a patent filed in [3] by injecting a woman's cells into a man's testicles, though the patent focused mostly on injecting altered male cells into a man's testes to correct genetic diseases. In , Japanese scientists partially confirmed such techniques by creating chicken female sperm in a similar manner. It is therefore concluded that most of the W-bearing PGC could not differentiate into spermatozoa because of restricted spermatogenesis. One potential roadblock to injecting a woman's cells into a man's testicles is that the man's immune system might attack and destroy the woman's cells.

Pregnancy in Bone Marrow Failure Disease

Credit: Getty Images. The study shows that when an egg is fertilized, stem cells leave the bone marrow and travel via the bloodstream to the uterus, where they help transform the uterine lining for implantation. If the lining fails to go through this essential transformation, the embryo cannot implant, and the body terminates the pregnancy. But knowing that bone marrow has a significant role is a paradigm shift. In this study, the researchers were able to prove the physiological relevance of stem cells to pregnancy.

in a year-old woman, 2 years after successful allogeneic bone marrow transplant (BMT) for chronic myeloid leukemia (CML). A second pregnancy, similarly  by JH Lipton - ‎ - ‎Cited by 24 - ‎Related articles.

By Roxanne Khamsi. In a first step towards creating artificial sperm cells, researchers have turned human bone marrow tissue into primitive sperm cells. If these precursor cells can be coaxed into becoming fully functioning sperm cells, the technique could allow infertile men to father their own children, and even allow women to produce their own sperm. But experts caution that provoking the sperm precursors to fully mature presents a serious challenge. In July , biologist Karim Nayernia at the University of Newcastle-upon-Tyne in the UK, and colleagues reported they had successfully converted stem cells from mouse embryos into functioning sperm that could fertilise mouse eggs and produce live offspring.

Female sperm

I guess after being told to "Go Fuck Yourself" for so many years, these scientists finally found a way to do it. There will be some interesting debates raging about this one for a long time. I'm of the opinion that on the whole, we are better off with the process of gene mixing than practicing self-eugenics. Since when is human reproduction about strengthening the gene pool, and since when are your "gay friends" inherently unable to reproduce naturally?

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Bone marrow failure diseases frequently occur in women who are young and of child bearing age. People with these diseases have legitimate concerns about whether a pregnancy will cause their infants to suffer from the disease or its treatment, or whether their own disease will relapse. But the goal of modern therapy and modern obstetrics is to minimize both maternal and fetal complications.

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Comments: 3
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