نتایج جستجو برای: host cell dna contamination
تعداد نتایج: 2228512 فیلتر نتایج به سال:
The HeLa cell line is the oldest, most widely distributed, permanent human cell line. As a nearly ubiquitous inhabitant of laboratories using tissue culture techniques, its aggressive growth characteristics make it a problematic contaminant that can overgrow less robust cell lines. Consequently, HeLa contamination is common in both the research laboratory and cell line repository contexts, and ...
In Thailand Gnathostoma spinigerum is the major causative agent of human gnathostomiasis. Usually, humans acquire the infection by consumption of G. spinigerum L3s infected hosts as partially cooked or uncooked food. Of several uncooked food, the highest prevalence of G. spinigerum L3s was found in Fluta alba (swamp eels). In Thailand, data of the prevalence and concentration of the parasite in...
Introduction: Contamination with high-risk human papillomavirus (HPV) is one of the most important risk factors for developing cervix cancer. Since there is no possibility of detecting the virus and its subtypes by using current biochemical and serological methods and cell culture, the molecular methods such as multiplex PCR have particular importance in accurate, early and definite diagnosis o...
background: myeloablative-allogeneic stem cell transplantation is a common way of treating various malignant and nonma-lignant diseases; but, it is associated with hazardous immediate and late complications. the majority of patients are not good candidates for high dose therapy because of old age, medical co-morbidities or previous heavy treatments. the donor stem cells can engraft in the recip...
BACKGROUND Cultures of heterotrophic protists often require co-culturing with bacteria to act as a source of nutrition. Such cultures will contain varying levels of intrinsic bacterial contamination that can interfere with molecular research and cause problems with the collection of sufficient material for sequencing. Measuring the levels of bacterial contamination for the purposes of molecular...
Abstract The use of museum specimens held in natural history repositories for population and conservation genetic research is increasing tandem with the massively parallel sequencing technologies. Short Tandem Repeats (STRs), or microsatellite loci, are commonly used markers wildlife studies. However, they traditionally suffered from a host issues including length homoplasy, high costs, low thr...
Leishmaniasis is a tropical parasitic disease that has become a major health challenge in many countries of the world. Not only has not been found any effective vaccine or treatment for the disease eradication, but also the advent of drug resistance is also increasing. Therefore, it is vital to take a precise attention to the physiochemical cycles of the Leishmania parasite and to identify i...
Bioactive molecules (or signaling molecules) are involved in tissue regeneration and have an important role modulating the microenvironment vivo. chemicals ability to govern host cell motility, proliferation, differentiation, as well enabling cells interact with their surrounding via particular receptors for chemical recognition. This chapter introduces ion-exchange chromatography (IEC) a metho...
BACKGROUND Mycobacterium tuberculosis is an intracellular pathogen, which may either block cellular defensive mechanisms and survive inside the host cell or induce cell death. Several studies are still exploring the mechanisms involved in these processes. OBJECTIVES To evaluate the genomic instability of M. tuberculosis-infected macrophages and compare it with that of uninfected macrophages. ...
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