Connect with us

Health and Wellness

Fetal genome editing is on the horizon – a medical anthropologist explains why ethical discussions with target communities should happen sooner, not later

Published

on

With the primary goal of advancing scientific knowledge, most scientists are not trained or motivated to take into consideration the social implications of the technologies they develop. Even in genomic medicine, which is geared toward benefiting future patients, money and time pressures make it difficult Real-time ethics monitoring is difficult.

In 2015, three years after scientists discovered learn how to permanently edit the human genome, American scientists issued a statement to halt the use of germline genome editing, a controversial sort of gene editing during which changes to DNA are also passed on to the patient’s future biological descendants.
The scientists’ statement called for “an open discussion of the merits and risks” before the experiments began. But no such discussions took place.

As of 2018, at the very least two children have been born after undergoing germline editing. embryos which have been genetically modified in China.With no preemptive ethics or clear regulatory guidelines, from time to time a “cowboy scientist” comes along who pushes the boundaries of experimentation until he is told to stop.

After checking out about the children, the scientists continued talking – but mostly amongst themselves. Then in 2020 report of the international commission which gathered expert opinions, repeated the call for a public discussion on the ethics of germline editing.

I’m medical anthropologist and bioethicist which explores the values ​​and experiences behind the development of prenatal gene therapy, including genome editing.

Prenatal human genome editing has not happened yet – so far as we all know. Prenatal genome editing is not the same as prenatal genome editing. ex vivo embryosjust as the Chinese scientist did, because prenatal editing involves editing the DNA of the fetus visible in the womb of a pregnant woman – with no intention of affecting future offspring.

But the social implications of this technology are still enormous. And scientists can start exploring the ethics now, engaging communities long before then.

Engaging the community

It is not possible to really predict how technologies might profit society with none input from the people in society. Potential users of technologies specifically could have their very own experiences to supply. In 2022, a UK residents’ jury of people affected by a genetic disease deliberated. They voted that germline editing of human embryos could be ethical – if a variety of specific conditions could be met, similar to transparency and equality of access.

Recently in the USA the National Council on Disability published present your concerns about embryo editing and prenatal editingTheir most important concern was the possibility of increased discrimination against people with disabilities.

Some people consider that stopping the birth of individuals with certain genetic traits as a type of eugenicsthe disturbing practice of treating the genetic characteristics of a social group as undesirable and attempting to remove them from the human gene pool. However, genetic characteristics are sometimes associated with a person’s social identity – treating certain characteristics as undesirable in the human gene pool could be deeply discriminatory.

Losing a child to a serious genetic disorder is deeply devastating for families. But the same genes that cause disease may create a person’s identity and community, in accordance with the National Council on Disability described in its reportPeople with disabilities can enjoy a good quality of life in the event that they are provided with appropriate social support.

It’s not easy involve non-scientists in discussions about genetics. And people have different values, which suggests community deliberations that work in a single context may not work in one other. But from what I’ve seen, scientific advances usually tend to profit potential users when the technology creators keep in mind user concerns.

Not only about the fetus

Prenatal human genome editing, also generally known as fetal genome surgeryoffers the likelihood to handle cellular disease processes early, even perhaps stopping symptoms from occurring. Delivering treatments could be more direct and effective than what is possible after birth. For example, gene therapy delivered to the fetal brain could reach the entire central nervous system.

Gene editing technology has advanced rapidly in recent many years. Prenatal gene editing differs from editing embryos outside the human body since it involves editing a fetus inside the body of a pregnant person.

But fetal editing necessarily involves the participation of a pregnant person.

In the Eighties scientists managed to perform surgery on a fetus for the first time. This established the fetus as a patient and direct recipient of health care.

Viewing the fetus as a separate patient oversimplifies the mother-fetus relationship. Historically, this approach has diminished interests of a pregnant person.

And since editing the genome of a fetus can harm the expectant mother or require an abortion, any discussion about prenatal genetic interventions is also becomes a discussion about access to abortionFetal gene editing is not nearly editing that fetus and stopping genetic diseases.

Prenatal Genome Editing vs. Embryo Editing

Prenatal genome editing falls inside the broader spectrum of human genome editing that extends from the germline, where the changes are heritable, to somatic cells, where the patient’s descendants will not inherit the changes. Prenatal genome editing is, in theory, somatic cell editing.

Prenatal gene editing allows scientists to edit the genome of a fetus.
Zorica Nastasic/E+ via Getty Images

There is still a small potential for accidental germline editing. “Editing” the genome could be a misleading metaphor. When gene editing was first developed, it was less like cutting and pasting genes and more like sending in a drone that may hit and miss its target – a piece of DNA. It can change the genome in intentional and sometimes unintentional ways. As technology advances, gene editing is becoming less like a drone and more like surgical incision.

Ultimately, scientists can’t know whether unintended, collateral germline edits will occur until many years in the future. That would require editing a significant variety of fetal genomes, waiting for those fetuses to be born, after which waiting to research the genomes of their future descendants.

Unresolved Issues in Healthcare Equity

Another necessary ethical query is who would have access to those technologies. To distribute prenatal genomic therapies equitably, technology developers and health systems would wish to handle each cost and trust issues.

Take for instance: latest methods of gene editing treatment for youngsters with sickle cell disease. This disease mainly affects black families who still struggle with significant differences and barriers in access to each prenatal care and general health care.

Editing a fetus, relatively than a child or adult, could potentially reduce healthcare costs. Because the fetus is smaller, doctors would use fewer gene-editing materials at lower production costs. Furthermore, treating the disease early could reduce the costs a patient might face over their lifetime.

American teenager receives gene-editing treatment for sickle cell disease. Many people with the disease face barriers when searching for treatment in the US health care system.

However, all genome editing procedures they’re expensiveTreating a 12-year-old with sickle cell disease with gene editing currently costs $3.1 million. While some scientists want make gene editing more cost-effectiveThere hasn’t been much progress in sight yet.

There is also a difficulty of trust. I even have heard of families from groups which can be underrepresented in genomic research. who say they’re hesitant to take part in prenatal diagnostic testing in the event that they do not trust the health care team conducting the testing. This sort of research is a first step in constructing models for treatments similar to prenatal genome editing. What’s more, these underrepresented families are inclined to less trust throughout the healthcare system.

While prenatal gene editing holds enormous potential for scientific discovery, scientists and software developers could bring potential users—the individuals who stand to achieve or lose the most from this technology—to the decision-making table to get the clearest picture of how these technologies could impact society.

This article was originally published on : theconversation.com
Continue Reading
Advertisement
Click to comment

Leave a Reply

Your email address will not be published. Required fields are marked *

Health and Wellness

Jury awarded $310 million to parents of teenager who died after falling on a ride at Florida amusement park – Essence

Published

on

By

Sun Sentinel/Getty Images

The family of Tire Sampson, the 14-yr-old who tragically died on an amusement park ride in Orlando, Florida, in 2022, has been awarded $310 million in a civil lawsuit.

Tire, who was visiting ICON Park along with his family on March 24, 2022, fell from the FreeFall drop tower. Although he was taken to a nearby hospital, he didn’t survive his injuries.

Now, greater than two years later, a jury has held the vehicle manufacturer, Austria-based Funtime Handels, responsible for the accident and awarded the Tire family $310 million. According to reports from local news stations WFTV AND KSDKthe jury reached its verdict after about an hour of deliberation.

Tyre’s parents will each receive $155 million, according to attorney spokesman Michael Haggard.

Attorneys Ben Crump and Natalie Jackson, who represented Tyre’s family, shared their thoughts on this landmark decision via X (formerly Twitter). “This ruling is a step forward in holding corporations accountable for the safety of their products,” they said in a statement.

Lawyers stressed that Tyre’s death was attributable to “gross negligence and a failure to put safety before profits.” They added that the ride’s manufacturer had “neglected its duty to protect passengers” and that the substantial award ensured it could “face the consequences of its decisions.”

Crump and Jackson said they hope the result will encourage change throughout the theme park industry. “We hope this will spur the entire industry to enforce more stringent safety measures,” they said. “Tire heritage will provide a safer future for drivers around the world.”

An investigation previously found that Tyre’s harness was locked through the descent, but he dislodged from his seat through the 430-foot fall when the magnets engaged. Tire’s death was ruled the result of “multiple injuries and trauma.”

ICON Park said at the time that it could “fully cooperate” with the authorities.

This article was originally published on : www.essence.com
Continue Reading

Health and Wellness

Tireless HIV/AIDS advocate A. Cornelius Baker dies

Published

on

By

HIV/AIDS Advocate, A. Cornelius Baker


A. Cornelius Baker, a tireless advocate of HIV and AIDS testing, research and vaccination, died Nov. 8 at his home in Washington, D.C., of hypertensive, atherosclerotic heart problems, in response to his partner, Gregory Nevins.

As previously reported, Baker was an early supporter for people living with HIV and AIDS within the Nineteen Eighties, when misinformation and fear-mongering in regards to the disease were rampant.

According to Douglas M. Brooks, director of the Office of National AIDS Policy under President Obama, it was Baker’s Christian faith that guided him toward compassion for others.

“He was very kind, very warm and inclusive – his circles, both professional and personal, were the most diverse I have ever seen, and he was guided by his Christian values,” Brooks told the outlet. “His ferocity was on display when people were marginalized, rejected or forgotten.”

In 1995, when he was executive director of the National AIDS Association, Baker pushed for June 27 to be designated National HIV Testing Day.

In 2012, he later wrote on the web site of the Global Health Advisor for which he was a technical advisor that: “These efforts were intended to help reduce the stigma associated with HIV testing and normalize it as part of regular screening.”

https://twitter.com/NBJContheMove/status/1856725113967632663?s=19

Baker also feared that men like himself, black gay men, and other men from marginalized communities were disproportionately affected by HIV and AIDS.

Baker pressured the Clinton administration to incorporate black and Latino people in clinical drug trials, and in 1994 he pointedly told the Clinton administration that he was bored with hearing guarantees but seeing no motion.

According to Lambda Legal CEO Kevin Jennings, yes that daring attitude that defines Baker’s legacy in the world of ​​HIV/AIDS promotion.

“Cornelius was a legendary leader in the fight for equality for LGBTQ+ people and all people living with HIV,” Jennings said in a press release. “In the more than twenty years that I knew him, I was continually impressed not only by how effective he was as a leader, but also by how he managed to strike the balance between being fierce and kind at the same time. His loss is devastating.”

Jennings continued: “Cornelius’ leadership can’t be overstated. For many years, he was one in all the nation’s leading HIV/AIDS warriors, working locally, nationally and internationally. No matter where he went, he proudly supported the HIV/AIDS community from the Nineteen Eighties until his death, serving in various positions including the Department of Health and Human Services, the National Association of Persons with Disabilities AIDS, and the Whitman-Walker Clinic . Jennings explained.

Jennings concluded: “His career also included several honors, including being the first recipient of the American Foundation for AIDS Research Foundation’s organization-building Courage Award. Our communities have lost a pillar in Cornelius, and as we mourn his death, we will be forever grateful for his decades of service to the community.”

Kaye Hayes, deputy assistant secretary for communicable diseases and director of the Office of Infectious Diseases and HIV/AIDS Policy, in her comment about his legacy, she called Baker “the North Star.”.

“It is difficult to overstate the impact his loss had on public health, the HIV/AIDS community or the place he held in my heart personally,” Hayes told Hiv.gov. “He was pushing us, charging us, pulling us, pushing us. With his unwavering commitment to the HIV movement, he represented the north star, constructing coalitions across sectors and dealing with leaders across the political spectrum to deal with health disparities and advocate for access to HIV treatment and look after all. He said, “The work isn’t done, the charge is still there, move on – you know what you have to do.” It’s in my ear and in my heart in the case of this job.

Hayes added: “His death is a significant loss to the public health community and to the many others who benefited from Cornelius’ vigilance. His legacy will continue to inspire and motivate us all.”

Baker is survived by his mother, Shirley Baker; his partner Nevins, who can be senior counsel at Lambda Legal; his sisters Chandrika Baker, Nadine Wallace and Yavodka Bishop; in addition to his two brothers, Kareem and Roosevelt Dowdell; along with the larger HIV/AIDS advocacy community.


This article was originally published on : www.blackenterprise.com
Continue Reading

Health and Wellness

Bovaer is added to cow feed to reduce methane emissions. Does it pass into milk and meat? And is it harmful to humans?

Published

on

By

There are growing concerns in regards to the use of feed supplements, Bowar 10to reduce methane production in cows.

Bovaer 10 consists of silicon dioxide (mainly sand), propylene glycol (food stabilizer approved by Food Safety Australia New Zealand) and lively substance 3-nitrooxypropanol (3-NOP).

There has been an enormous amount of misinformation in regards to the safety of 3-NOP, with some milk from herds fed this additive being labeled “Frankenmilk”. Others feared it could get to humans through beef.

The most significant thing is that 3-NOP is secure. Let’s clear up some major misconceptions.

Why do we want to limit methane production?

In our attempts to limit global warming, we’ve placed the best emphasis on CO₂ because the major man-made greenhouse gas. But methane is also a greenhouse gas, and although we produce less of it, it is: a much stronger greenhouse gas than CO₂.

Agriculture is the largest a man-made source of methane. As cattle herds expand to meet our growing demand for meat and milk, reducing methane production from cows is a vital way to reduce greenhouse gas emissions.

There are several ways to do that. Stopping bacteria within the stomachs of cows that produce methane one approach is to produce methane.

The methane produced by cows and sheep doesn’t come from the animals themselves, but from the microbes living of their digestive systems. 3-NO stop the enzymes that perform the last step of methane synthesis in these microorganisms.

3-NOP is not the one compound tested as a feed additive. Australian product based on seaweed, Rumin8for instance, it is also in development. Saponins, soap-like chemicals present in plants, and essential oils as well has been examined.

However, 3-NOP is currently one of the popular effective treatments.

Nitrooxypropanol structure: red balls are oxygen, gray carbon, blue nitrogen and white hydrogen.
PubChem

But is not it poison?

There are concerns on social media that Bovaer is “poisoning our food.”

But, as we are saying in toxicology, it’s the dose that makes the poison. For example, arsenic is deadly 2–20 milligrams per kilogram of body weight.

In contrast, 3-NOP was not lethal on the doses utilized in safety studies, up to 600 mg 3-NOP per kg body weight. At a dose of 100 mg per kg body weight in rats, it didn’t cause any adversarial effects.

What about reproductive issues?

The effect of 3-NOP on the reproductive organs has generated numerous commentary.

Studies in rats and cows showed that doses of 300–500 mg per kg body weight caused: contraction of the ovaries and testicles.

In comparison, to achieve the identical exposure in humans, a 70 kg human would want to eat 21–35 grams (about 2 tablespoons) of pure 3-NOP every day for a lot of weeks to see this effect.

No human will likely be exposed to this amount because 3-NOP doesn’t pass into milk – is fully metabolized within the cow’s intestines.

No cow will likely be exposed to these levels either.

The cow licks itself
Cows will not be exposed to levels tested on animals in laboratory studies.
Ground photo/Shutterstock

What about cancer?

3-NOP is not genotoxic or mutagenicwhich implies it cannot damage DNA. Thus, the results of 3-NOP are dose-limited, meaning that small doses will not be harmful, while very high doses are (unlike radiation where there is no secure dose).

Scientists found that at a dose of 300 mg per kilogram of body weight benign tumors of the small intestine of female ratsbut not male rats, after 2 years of every day consumption. At a dose of 100 mg 3-NOP per kg body weight, no tumors were observed.

Cows eat lower than 2 grams of Bovaer 10 per day (of which only 10% or 0.2 grams is 3-NOP). This is about 1,000 times lower than the appropriate every day intake 1 mg 3-NOP per kg body weight per day for a cow weighing 450 kg.

This level of consumption will likely be not the result in cancer or any of them other adversarial effects.

So how much are people exposed to?

Milk and meat consumers will likely be exposed to zero 3-NOP. 3-NOP doesn’t penetrate milk and meat: is completely metabolized within the cow’s intestines.

Farmers could also be exposed to small amounts of the feed additive, and industrial employees producing 3-NOP will potentially be exposed to larger amounts. Farmers and industrial employees already wear personal protective equipment to reduce exposure to other agricultural chemicals – and it is advisable to do that with Bovear 10 as well.

Milk
3-NOP doesn’t penetrate milk and meat.
Shutterstock

How widely has it been tested?

3-NOP has been in development for 15 years and has been subject to multiple reviews by European Food Safety Authority, UK Food Safety Authority AND others.

It has been extensively tested over months of exposure to cattle and has produced no unintended effects. Some studies actually say so improves the standard of milk and meat.

Bovaer was approved for use in dairy cattle by the European Union from 2022 and Japan in 2024. It is also utilized in many other countries, including: in beef products, amongst others Australia.

A really small amount of 3-NOP enters the environment (lower than 0.2% of the dose taken), no accumulates and is easily decomposed subsequently, it doesn’t pose a threat to the environment.

Since humans will not be exposed to 3-NOP through milk and meat, long-term exposure is not an issue.

What does Bill Gates have to do with this?

Bill Gates has invested in a distinct feed processing method for methane, Australian seaweed-based Rumin8. But he has nothing to do with Bovaer 10.

The Bill & Melinda Gates Foundation awarded research grants to the corporate producing 3-NOP for malaria control researchnot for 3-NOP.

The bottom line is that adding 3-NOP to animal feed doesn’t pose any risk to consumers, animals or the environment.

This article was originally published on : theconversation.com
Continue Reading
Advertisement

OUR NEWSLETTER

Subscribe Us To Receive Our Latest News Directly In Your Inbox!

We don’t spam! Read our privacy policy for more info.

Trending