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Rana ridibunda varies geographically in inducing clonal gametogenesis in interspecies hybrids
The data demonstrate geographic variation of R. ridibunda in the ability of its genomes to induce clonal gametogenesis in interspecies hybrids and suggest that genomes of the unnamed Yugoslavian species may be resistant to such exclusion. Expand
  • R. Placido, G. Mancino, +7 authors VITTORIO COLIZZI
  • Biology, Medicine
  • The Journal of pathology
  • 1 January 1997
The capacity of MTB to induce apoptosis in cells obtained by broncho‐alveolar lavage from patients with reactive pulmonary tuberculosis and from AIDS patients with disseminated pulmonary tuberculosis is analyzed. Expand
Infection of human monocytes with Mycobacterium tuberculosis enhances human immunodeficiency virus type 1 replication and transmission to T cells.
Results suggest that M. tuberculosis infection can both up-regulate HIV-1 infection and replication within MDM and increase the efficiency of virus transmission from infected MDM to T cells. Expand
Lampbrush and mitotic chromosomes of the hemiclonally reproducing hybrid Rana esculenta and its parental species.
The irregular lampbrush patterns of hybrids of natural populations of Poland indicate that such hybrids will have severely reduced fertility and most of their successful gametes will result in allotriploid progeny. Expand
Genomes of two water frog species resist germ line exclusion in interspecies hybrids.
Examination of lampbrush chromosome patterns in oocytes of hybrids of hybrids that in the soma contain one "inducing" ridibunda genome and one genome of either of the two Balkan species provides the first compelling evidence for resistance of Rana shqiperica as well as Rana epeirotica genomes to such exclusion. Expand
Phosphoantigen-reactive Vgamma9Vdelta2 T lymphocytes suppress in vitro human immunodeficiency virus type 1 replication by cell-released antiviral factors including CC chemokines.
Data reveal that phosphoantigen-activated gammadelta T cells are an important source of CC chemokines and may suppress HIV replication through cell-released antiviral factors. Expand
P2X(7) purinergic receptors and extracellular ATP mediate apoptosis of human monocytes/macrophages infected with Mycobacterium tuberculosis reducing the intracellular bacterial viability.
The data indicate a role of P2X(7) purinergic receptors in MTB-induced M/M apoptosis, suggesting the existence of an autocrine/paracrine loop leading to apoptosis of infected M/ M and the feasible protective role of ATP-triggered cell death in tuberculosis. Expand
Expression of FGF2 in the limb blastema of two Salamandridae correlates with their regenerative capability
Results suggest that FGF2 plays a key role in the initiation of blastema growth, and in vitro studies showed that F GF2 activates MCM3, a factor essential for DNA replication licensing activity, and can be produced by blastemal cells themselves, indicating an autocrine action. Expand
Glucose deprivation and chemical hypoxia: neuroprotection by P2 receptor antagonists
In rat cerebellar granule neurones, the antagonist basilen blue prevents neuronal death under hypoglycaemia and the data suggest the exploitation of selected P2 receptor antagonists as potential neuroprotective agents. Expand
The role of macrophage cell death in tuberculosis
The current understanding of the mechanism and regulation of macrophage apoptosis in response to M. tuberculosis is reviewed and the role this process plays in protective immunity and microbial virulence is examined. Expand