نتایج جستجو برای: purified protein derivative
تعداد نتایج: 1328337 فیلتر نتایج به سال:
A panel of human purified protein derivative of the tubercle bacillus (PPD)-reactive T cell clones was derived by cloning out of soft agar followed by cultivation on inactivated feeder cells in the presence of interleukin-2. 1 of 4 clones tested was able to mediate an increase in monocyte procoagulant activity (PCA) in response to PPD. All four clones had identical surface marker phenotypes (T4...
The Ppd-A1 genotype of 240 Japanese wheat cultivars and 40 foreign cultivars was determined using a PCR-based method. Among Japanese cultivars, only 12 cultivars, all of which were Hokkaido winter wheat, carried the Ppd-A1a allele, while this allele was not found in Hokkaido spring wheat cultivars or Tohoku-Kyushu cultivars. Cultivars with a photoperiod-insensitive allele headed 6.9-9.8 days ea...
Development of a subunit vaccine for Mycobacterium tuberculosis (Mtb) is likely to be dependent on the identification of T cell antigens that induce strong proliferation and interferon gamma production from healthy purified protein derivative (PPD)(+) donors. We have developed a sensitive and rapid technique for screening an Mtb genomic library expressed in Escherichia coli using Mtb-specific C...
Not just a middle-class affliction: crafting a social work research agenda on postpartum depression.
Postpartum depression (PPD) is a major mental health disorder that affects at least 13 percent of new mothers and has detrimental consequences for populations that are of concern to social workers, such as low-income women, women of color, young women, and single mothers. Despite the relevance of PPD to multiple social work problems and populations, the social work literature contains sparse in...
The susceptibility of monocyte-derived cultured dendritic cells (DCs) to human immunodeficiency virus (HIV) infection and their role in viral transmission in the immune response were studied in detail. We observed that highly purified cultured DCs were infected with the T-tropic Lai strain of HIV type 1 (HIV-1Lai) via the CD4 receptor, and this was followed by formation of the complete provirus...
Poncet's disease is a rare clinical condition, characterized by polyarticular impairment in a patient diagnosed with tuberculosis, with no evidence of direct bacillary invasion of the joints, constituting reactive arthritis. We report a case of a 56-year old, white male from the city of Porto Alegre, with evidence of additive polyarthritis of the large joints, investigated for five years, and w...
Sir, Paraphenylenediamine (PPD), a derivative of paranitroanaline, is commonly used in several industries like oxidizable hair dye, dyeing furs, photochemical processes and tyre vulcanization. The Þ rst documentation of systemic PPD poisoning in 1924 described the case of a hairdresser who developed toxicity from handling the dye.[1] Many reports have followed since then, mainly from developing...
Immediate responses of hypersensitivity to skin testing with purified derivative of tuberculin (PPD) were observed in 2.3 percent of 3,248 patients seen in an allergy clinic, and the relationship to delayed responses was questioned. Immediate cutaneous reactions to testing with PPD appeared in all age groups and occurred in nonatopic patients but were more common in atopic patients (p less than...
Granulomatous hypersensitivity to trehalose-6,6'-dimycolate (cord factor) in mice infected with BCG.
Cord factor in the form of emulsion is unable to sensitize mice to react with a more extensive granulomatous response to a subsequent challenge with the same substance. Mice infected with BCG bacilli are sensitized to cord factor. Such animals react to administration of cord factor with a very extensive granulomatous response, much stronger than normal ones. This hypersensitivity seems to be sp...
Mycobacterium bovis strain AN5 has been used to produce purified protein derivative (PPD) for the intradermal test for bovine tuberculosis since it was introduced in 1948. This work reports the draft genome sequence of M. bovis AN5, which is used for the production of bovine PPD in Brazil, as well as comparisons to other strains of M. bovis and Mycobacterium tuberculosis.
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