CD4 T helper cells are a type of white blood cell called a lymphocyte that serves an important role in your immune system. These cells help defend the body against infection by directing other "killer ...

Scientists say they have recovered the oldest known Homo sapiens DNA from human remains found in Europe, and the information is helping to reveal our species’ shared history with Neanderthals.

Scientists say they have recovered the oldest known Homo sapiens DNA from human remains found in Europe, and the information is helping to reveal our species’ shared history with Neanderthals.

Today, all humans except those with only African heritage bear the marks of this union in their DNA. The study's findings suggest this genetic exchange took place roughly 80 generations before the ...

The oldest DNA ever recovered from modern humans shows they arrived as small groups in Europe more than 45,000 years ago and mixed with Neanderthals - but left no descendants. Published today ...

Today, this is reflected by a small amount of Neanderthal DNA (1 percent to 2 percent) retained in most people living outside of Africa, though this varies slightly by population. East Asians, for ...

The researchers cataloged the segments of Neanderthal DNA in each person’s genome, then compared them to see where those segments appeared and how that changed over time and distance.

The research provides insights into the demographics of early modern humans. Scientists have pinpointed a time frame in which Neanderthals began "mixing" with modern humans, based on the DNA of ...

Prime STAR™ HS DNA polymerase, restriction endonuclease, T4 DNA ligase, and other genetic engineering enzymes were purchased from TaKaRa Inc. (Dalian, China). A Superdex 30 Increase 10/300 GL column ...

The T4 and T4A reporting requirements for employer- and payer-offered dental benefits, for issuers who would otherwise enter code 1, are waived again for 2024. This Canadian Dental Care Plan (CDCP) ...