Martina Brock

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Synthesis, storage and release of acetylcholine (ACh) require the expression of several specialized enzymes, including choline acetyltransferase (ChAT), vesicular acetylcholine transporter (VAChT) and the high-affinity choline transporter (CHT). Extracellular factors that regulate CHT expression and their signaling pathways remain poorly characterized.(More)
Nerve growth factor (NGF) is a trophic and survival factor for cholinergic neurons, and it induces the expression of several genes that are essential for synthesis and storage of acetylcholine (ACh), specifically choline acetyltransferase, vesicular ACh transporter (VAChT), and choline transporter. We have found previously that the phosphatidylinositol(More)
The mechanism by which precursor and pre-B cells undergo differentiation is unclear; however, it is known that growth factors play an important role in this maturation process. The lymphokine, IL-4 has been shown to increase expression of class II Ag on B cells and induce B cell proliferation. In the murine system, IL-4 induced differentiation of precursor(More)
The influence of acridine orange and THA on the growth of Mycobacterium tuberculosis H37Rv strain in 7H12 Middlebrook liquid medium was studied. As compared to acridine orange, THA also inhibited the growth of the H37Rv Mycobacterium tuberculosis strain but at much higher concentrations.
The action of auramine on the growth of some mycobacterial strains in 7H12 Middlebrook liquid medium as well as the interaction between auramine and calf thymus DNA were investigated. It was concluded that the inhibitory effect of auramine on the growth of some mycobacterial strains belonging to the TB complex or MOTT bacilli is the result of a double(More)
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