Foreign News
Australian Breakthrough Blood Stem Cell Research to Possibly Change Future Medicine
New discoveries about embryonic blood stem cell creation by Australian researchers could one day eliminate the need for stem cell donors.
The discovery was made independently by both biomedical engineers and medical researchers of the University of New South Wales (UNSW) Sydney, as part of a move in regenerative medicine.
This was to move toward the use of “induced pluripotent stem cells’’ to treat disease.
“This means that instead of using live human or animal embryos, stem cells are reverse engineered from adult tissue cells.’’
Two studies emerged by two independent groups of researchers from UNSW, which takes the medical community one step closer to achieving this.
One of the studies led by Jingjing Li and published in Cell Reports and revealed on Wednesday, details how a simulation of an embryo’s beating heart.
The embryo’s beating heart using a microfluidic device in the lab led to the development of human blood stem cell precursors.
This, as the name suggests, is stem cells on the verge of becoming blood stem cells.
“We made a device mimicking the heart beating and the blood circulation and an orbital shaking system which causes shear stress.
“Or friction, of the blood cells as they move through the device or around in a dish,’’ Li explained.
The device successfully replicated the process in which precursor blood stem cells differentiate into various blood components.
The other study was revealed in an article published in Nature Cell Biology, which saw John Pimanda and Vashe Chandrakanthan of UNSW Medicine and Health detail their research on how blood stem cells are created in embryos.
This was done by looking at the mechanism used naturally in mice to make blood stem cells from the cells that line blood vessels, known as endothelial cells.
While it was already known that this process took place, Pimanda explained that up until now the identity of the cells that regulate this process has been a mystery.
According to Chandrakanthan, knowing the identity of these cells provides medical researchers with important clues as to how endothelial cells could be triggered to produce blood stem cells.
Both groups of researchers claimed that this is an important step toward solving many challenges limiting regenerative medical treatments today.
Such as donor shortages, rejection of donor tissue cells and ethical issues associated with using IVF embryos. (NAN)
Foreign News
Senate Demands Compulsory Screening of Foreign Arrivals
By Eze Okechukwu, Abuja
The Senate yesterday ordered mandatory health screening for every international passenger arriving Nigeria airports, seaports, land borders as Ebola resurfaces in the Democratic Republic of Congo with a scare case reported in the FCT.
The resolution followed an urgent motion by Senator Francis Fadahunsi, who warned that with Lassa fever already ravaging states, Nigeria cannot afford another outbreak.
“Protecting our entry points is far cheaper than managing Ebola,” Fadahunsi told the chamber.
Lawmakers insisted screening must be total and indiscriminate — no exemptions based on nationality or departure country because infected travellers can transit through safe-listed nations.
Senator Diket Plang raised the stakes further, demanding immediate funding for NCDC and Port Health Services, including release of withheld funds and emergency budget.
Senate President Godswill Akpabio said the Federal Government has started releasing Ebola response funds but ordered relevant committees to track every kobo.
“Ascertain whether the funds were released and judiciously utilised. Any outstanding debt must be released by the Finance Ministry without delay,” Akpabio directed.
Foreign News
Dozens of Gold Prospectors Kill in Strikes on Egypt-Sudan Border
At least 72 civilians who had been prospecting for gold in a border region of Sudan have been killed in air strikes, a regional rights group said.
Emergency Lawyers, based in the Sudanese capital, Khartoum, said jets targeted the so-called artisanal miners at a popular gold mining site on Saturday.
Neither the Egyptian government nor the de facto Sudanese authorities have so far commented.
Cairo has previously faced accusations of deadly strikes on gold prospectors as part of a crackdown on illicit activity along its southern border.
Emergency Lawyers noted the previous alleged attacks and said they represented not only a violation of Sudan’s sovereign territory but demonstrated the government’s lack of control over the region.
“The deliberate targeting of unarmed civilians violates international humanitarian law and the right to life,” it said in a statement on Sunday. “These acts may constitute war crimes.”
It noted that its death toll was provisional and could rise.
The Paris-based Sudan Tribune reported that the death toll could far exceed the number reported by Emergency Lawyers, citing a survivor of Saturday’s attack who said many more people had been injured.
Eyewitnesses said the attack began around 06:00 local time (04:00 GMT), with the aircraft firing more than five missiles directly at the miners’ camps, destroying them and excavation pits with people still inside, the newspaper wrote.
The Sudan Tribune reported claims in June that Egyptian forces had used drones and artillery to target artisanal mining sites in the same region, killing several, after sporadic incidents of Egyptian border guards of burning equipment, torching temporary shelters, and firing live ammunition to disperse mine workers.
Days later, Egypt’s border agency announced that it and the military had begun a sweeping security campaign along the border to foil illegal migration, drug smuggling and illegal mining.
At the same time, Sudan’s de facto leader announced an investigation into the alleged strikes, which were said to have killed dozens.
Gold lies at the core of the border tensions.
Sudan’s ongoing civil war has led to a surge in artisanal mining – and often risky practice conducted by civilians with rudimentary tools and without official permission – particularly in remote areas near its borders.
Gold-rich areas lie along porous borders in terrain historically associated with cross-border smuggling routes, with artisanally mined gold potentially feeding into those channels.
Egypt’s border force said in June that it had seized 86 tonnes of gold ore along with amateur prospecting equipment.
Artisanal mining has also reportedly continued in Sudan’s conflict zones and smuggled gold may be a source of income for armed insurgent groups.
This has raised concerns of illicit Sudanese gold undermining the legitimate Egyptian gold market.
Foreign News
German Jets Arrives Italy for Multinational NATO Exercise
Several German fighter jets will take part in the Northern Atlantic Treaty Organisation (NATO) annual nuclear defence exercise this week as troops from 17 countries take part in the Steadfast Noon drill.
The German Air Force said three Tornado jets will take part in the exercise hosted by Italy, which starts Tuesday and runs for about a week and a half.
The jets are normally stationed in Büchel in the German state of Rhineland-Palatinate.
NATO has not revealed the exercise scenario but said its scale would be comparable to last year’s drill, which involved around 2,000 personnel and more than 70 aircraft.
Last week, NATO’s head of nuclear policy, Nassima Barrows, said the exercise was designed to demonstrate the alliance’s readiness and ability to defend its territory.
No real nuclear weapons will be used, she added.
NATO said the exercise was not linked to current events or directed at any specific country.
Military experts say the drills, held regularly in October, include practising the safe transport of weapons from underground storage facilities to aircraft and mounting them on fighter jets.
Only practice bombs without real nuclear warheads are used during the drills.


