few studies have been conducted on the causative factors associated with the development of cancer. infection by high risk human papillomaviruses (hpvs) have been implicated as causative agents in a variety of cancers. hpv is capable of evading immune system and establishing persistent infections. prolonged infection and lesion maintenance are associated with higher risk of neoplastic progressi...

patients and methods in this cross-sectional study, peripheral mononuclear cells (pbmcs) were isolated from peripheral blood of 29 patients with newly diagnosed pulmonary tb and 19 patients with positive tuberculin skin test. the pbmcs were activated with ppd for 72 hours. activated cells were harvested, rna was extracted and cdna was synthesized. a real-time taqman method was designed and opti...

conclusions this study suggests that the il-7 level of chb patients may be related to tfh cells. in chb patients, il-7 possibly increases the level of tfh cells and hbv-specific cellular immune responses and thereby reduces the hbv dna level. background in patients with chronic hepatitis b (chb), the relation of interkeukin-7 (il-7) to either the t follicular helper cells (tfh cells) or to a sp...

A nanoparticle-based formulation of sorafenib (NP-sfb) significantly inhibited hepatocellular carcinoma by suppressing angiogenesis and promoting cytotoxic T lymphocyte infiltration.

1. Mycobacterium tuberculosis and the liver stage of Plasmodium falciparum are intracellular pathogens which are potentially susceptible to cytotoxic T-lymphocytes, a crucial component of the protective immune response to viral infections. Evidence from animal models points to a protective role for cytotoxic T-lymphocytes against M. tuberculosis and P. falciparum, but cytotoxic T-lymphocytes sp...

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