Sentence examples for necessary for the entry from inspiring English sources

A human male missing the DAZ cluster shows a varying range of defects in spermatogenesis, from no germ cells at all to less severe spermatogenic arrest generating some mature spermatids [1], indicating that the DAZ cluster is not absolutely necessary for the entry into meiosis and sperm production.

Yet another chemokine receptor, called CCR5, was necessary for the entry of HIV into immune cells called macrophages.

In order to confirm that Cdc42 is indeed necessary for the entry of C. jejuni into host cells, we downregulated Cdc42 expression by siRNA.

Our first goal, obviously, must be to achieve the 10 ratifications necessary for the entry into force of the Protocol in time for the first anniversary of its adoption in May.

To better understand the subsequent G2/M arrest, we studied the Cyclin B1 protein levels because a proper Cyclin B1 regulation is known to be necessary for the entry into mitosis [ 29].

For PLK1, there is convincing evidence that protein expression and kinase activity peak through G2/M transition and that regular protein function is necessary for the entry into and progression through mitosis by a variety of different functional mechanisms (Donaldson et al, 2001).

Active biosynthesis of lipids is required not only for sustaining continue mitogenesis [41], [61] but is also necessary for avoiding the entry into the program of apoptosis [62].

We did not observed BrdU-positive cells in the RPE at 24 h PR in the absence of FGF2 (Additional file 2: Figure S2C) when the RPE was still p27Kip1-positive (Additional file 2: Figure S2D); therefore, FGF2 is necessary for the cell cycle entry, and eventually for RPE transdifferentiation [ 6].

The P-values necessary for entry into the model and to remain in the model were both P < 0.1.

The prepeptide or signal peptide is necessary for entry into the secretory pathway by transporting the protein across the rough endoplasmic reticulum membrane [ 7].

At the time of the cartoon Brown was due to make a statement highlighting that the five tests necessary for entry to the Euro had not been passed, thwarting Blair's hopes.