Sentence examples for been established until now from inspiring English sources

However, authentic porcine ESCs have not been established until now.

The association of Prx genes with resistance QTLs has been documented [2], [4], [7], [41], but their co-segregation had not been established until now.

The importance of TLR3 signaling in CSC phenotypes has not been established until now.

The exploration of optical properties and molecular imaging combined with DR and FLIM methods is a new approach that has not been established until now.

Despite many studies on post-remission therapy to prevent relapse with chemotherapy with maximal efficiency and minimal toxicity, an effective schedule for this age group has not been established until now [ 2, 4, 7– 15].

In the treatment of adult ALL, no standard guideline has been established until now, and the patients who should receive more intensive chemotherapy or early allogenetic stem cell transplantation are still uncertain, with a few exception for tailored tyrosine kinase inhibitor treatment for patients with Ph chromosome.

Analogous results are already known in the standard Riemann Liouville [30] and Caputo [31] models, and versions of the mean value theorem for fractional difference operators have been proved in both the Caputo Fabrizio model [32] and the AB model [33], but a fractional mean value theorem in the continuous AB model has not been established up until now.

Although the long-term safety of MSCs therapies has not been well established until now, clinical tests have proceeded.

Although the JAK-STAT signaling pathway is one of the best known, there appears to be STAT3-specific regulatory proteins, which are not established until now.

However, because the design criteria or theory that calculate the vertical and horizontal bearing capacity of the vibration Machine foundation by considering the dynamic load, were not clearly established until now, it is the real state that the construction has been performed by a conservative design method.

However, no gold standard has been established or even defined up until now.