Sentences with phrase «different types of cells without»

Not exact matches

In the journal Biomaterials, the team reports culturing cells to make extracellular matrix (ECM) of two types and five different alignments with the strength found in natural tissue and without using any artificial chemicals that could make it incompatible to implant.

Without the regulatory influence of PD - 1, the over activated and over stimulated T cells result in disruption of a crucial balance between different T cell types that leads to an overall greatly reduced immune response.

Antibodies derived from a type of immune cell found in unusually high numbers in HIV - infected individuals with chronically uncontrolled virus levels are less effective at neutralizing HIV than antibodies derived from a different type of immune cell more common in people without HIV, scientists report.

Surprisingly, they found that although the patterns of gene expression — as shown by the RNA sequencing — differed between the hepatocellular carcinomas and the liver cancers with biliary phenotype and depended on the histological type, the overall pattern of mutations in the cells was actually similar between the tumors — of either type — that had emerged in patients who had had infections with either hepatitis C or B, and were different in patients without such infections.

There is also a different type of stem cell that can be found in adults, and obtained without any harm or discomfort to the donor.

This is a reflection of how extremely difficult it is to understand the complex functions of a three - dimensional organism with its many different cell types and substances without animal research.

Without maps of different cell types and where they are located in the body, we can not describe all their functions and understand the biological networks that direct their activities.

Tests on animals and humans alike show that HAMLET kills over 40 different types of cancer cells, all without harming healthy cells.

It can also kill many different types of cancer cells by triggering apoptosis (programmed cell death) without affecting normal cells.