Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UNIPROT:Q06643 (non-Hodgkin's lymphoma)
 11,307 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The prevalence and titre of IgG antibodies to human herpesvirus type 6 (HHV-6) were assayed in the serum samples from normal subjects and patients with Hodgkin's lymphoma (HL), non-Hodgkin's lymphoma (NHL), acute lymphoblastic leukaemia (ALL) and oral cancer (OC) using immunofluorescence and immunoperoxidase techniques. This forms the first study on the sero-prevalence and titre of antibodies to HHV-6 in India. There was no considerable difference in the prevalence (76%) and titre (10-160) of the antibodies in normal population from those reported for normal adults in other parts of the world. All the HL and ALL patients studied showed no significant elevation in the antibody titre, though a slight increase in the prevalence (95%) was noted. Antibody titre and prevalence were found highly elevated in OC. OC remained totally unstudied for the presence of anti-HHV-6 antibodies, and this is the first report of elevated levels of the antibody in this cancer. The role of HHV-6, if any, in the pathogenesis of OC is worth investigating.
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PMID:Anti-HHV-6 antibodies in normal population and in cancer patients in India. 132 Jun 69

Data from the population-based cancer registry for Los Angeles County, an area with high risk of AIDS, were used to evaluate secular trends of Kaposi's sarcoma (KS), non-Hodgkin's lymphoma, and other possibly AIDS-related cancers in men aged 18 to 54. Marital status was used as a surrogate for homosexual behavior to compare the proportional incidence rates for the pre-AIDS era, 1972 to 1979, to those for 1980 to 1982 and 1983 to 1985. Both absolute incidence and proportional incidence of KS continue to increase sharply, although in absolute numbers, KS is making a smaller contribution to the total number of AIDS cases as the Los Angeles County epidemic progresses. For never-married men the proportional incidence rate of KS in 1983 to 1985 was nearly 100-fold greater than that of 1972 to 1979 and 7-fold greater than that of 1980 to 1982. High-grade lymphomas show statistically significant secular increases in both never-married and ever-married men, but only the rates of Burkitt's lymphomas have increased to a greater extent in never-married men. A small but significant increase of central nervous system lymphomas is seen in both marital status groups. There is no evidence of any AIDS-related increases in Hodgkin's disease, leukemia, testicular cancer, anal cancer, liver cancer, oral cancer, multiple myeloma, or malignant melanoma. As of 1985, cancer, as a manifestation of AIDS, is still apparently limited to KS and high-grade lymphomas (particularly Burkitt's) in Los Angeles County.
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PMID:AIDS-related secular trends in cancer in Los Angeles County men: a comparison by marital status. 291 Apr 64

In the 1970s the epidemiology program at the U.S. National Cancer Institute made a systematic effort to identify cancer clustering by analyzing patterns of mortality at the county level, where the population is small enough to be relatively homogeneous, yet large enough to provide reliable data and stable rates. When the mortality rates for the period 1950-69 were plotted in a series of computer-generated color-coded maps, there arose a surprising number and variety of geographic patterns. This review describes how leads to the causes of several cancers have been generated and explored through a progression of descriptive and correlational studies, followed by analytical studies to determine reasons for the elevated risks in certain areas of the country. For example, the high lung cancer rates among men in some coastal areas were related mainly to asbestos exposures in shipyard work, while the elevated oral cancer rates among women in the rural south were linked to the use of smokeless tobacco (snuff). A recent update of cancer maps covering the period 1970-80 revealed geographic patterns resembling those in the earlier atlas, but with a tendency toward greater uniformity of rates around the country. Yet some new high-risk areas emerged, such as elevated rates of lung and oral cancers among women in Florida and along the Pacific coast, which seemed correlated with smoking habits, and high rates of non-Hodgkin's lymphoma among men in central areas that may be associated with agricultural exposure to herbicides. Our experience suggests that cancer mapping on a small-area scale is a useful strategy for formulating and pursuing leads to environmental and lifestyle determinants of cancer. In other countries also, the mapping approach has helped to stimulate and target research into the origins of cancer and the means of prevention.
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PMID:Keynote lecture. Etiologic insights from cancer mapping. 333 92

Kaposi's sarcoma and non-Hodgkin's lymphoma were among the earliest recognized manifestations of the acquired immunodeficiency syndrome (AIDS) epidemic. Excluding these two tumors, the overall risk of all other cancers in human immunodeficiency virus (HIV)-infected individuals is similar to that of the general population. However, varying levels of evidence link several additional neoplasms to HIV infection. The evidence is strongest for an association with Hodgkin's disease, with lower relative and absolute risks than for non-Hodgkin's lymphoma. Anogenital intraepithelial neoplasia also appears to be HIV associated, but increases of invasive disease are still uncertain for both cervical and anal cancers. Various studies have suggested associations with testicular seminoma, multiple myeloma, oral cancer, and melanoma, but the data are inconsistent. Leiomyosarcoma and benign leiomyomas have increased in incidence in HIV-infected children but are unusual in HIV-infected adults. Conjunctival carcinoma is seen in HIV-infected individuals in sub-Saharan Africa but it is uncommon in Western countries. Most other cancers do not seem to have increased incidences in HIV infection. The etiologic mechanisms of HIV-related cancer likely differ among these diverse cancers and do not globally increase cancer risk.
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PMID:Association of non-acquired immunodeficiency syndrome-defining cancers with human immunodeficiency virus infection. 970 98

Marijuana is the most commonly used illegal drug in the United States and is considered by young adults to be the illicit drug with the least risk. On the other hand, marijuana smoke contains several of the same carcinogens and co-carcinogens as the tar from tobacco, raising concerns that smoking of marijuana may be a risk factor for tobacco-related cancers. We reviewed two cohort studies and 14 case-control studies with assessment of the association of marijuana use and cancer risk. In the cohort studies, increased risks of lung or colorectal cancer due to marijuana smoking were not observed, but increased risks of prostate and cervical cancers among non-tobacco smokers, as well as adult-onset glioma among tobacco and non-tobacco smokers, were observed. The 14 case-control studies included four studies on head and neck cancers, two studies on lung cancer, two studies on non-Hodgkin's lymphoma, one study on anal cancer, one study on penile cancer, and four studies on childhood cancers with assessment of parental exposures. Zhang and colleagues reported that marijuana use may increase risk of head and neck cancers in a hospital-based case-control study in the United States, with dose-response relations for both frequency and duration of use. However, Rosenblatt and co-workers reported no association between oral cancer and marijuana use in a population-based case-control study. An eightfold increase in risk among marijuana users was observed in a lung cancer study in Tunisia. However, there was no assessment of the dose response, and marijuana may have been mixed with tobacco. Parental marijuana use during gestation was associated with increased risks of childhood leukemia, astrocytoma, and rhabdomyosarcoma, but dose-response relations were not assessed. In summary, sufficient studies are not available to adequately evaluate marijuana impact on cancer risk. Several limitations of previous studies include possible underreporting where marijuana use is illegal, small sample sizes, and too few heavy marijuana users in the study sample. Recommendations for future studies are to (1) focus on tobacco-related cancer sites; (2) obtain detailed marijuana exposure assessment, including frequency, duration, and amount of personal use as well as mode of use (smoked in a cigarette, pipe, or bong; taken orally); (3) adjust for tobacco smoking and conduct analyses on nonusers of tobacco; and (4) conduct larger studies, meta-analyses, or pooled analyses to maximize statistical precision and investigate sources of differences in results. Despite the challenges, elucidation of the association between marijuana use and cancer risk is important in weighing the benefits and risks of medical marijuana use and to clarify the impact of marijuana use on public health.
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PMID:Epidemiologic review of marijuana use and cancer risk. 1605 89

To assess the long-term risk of developing cancer among heart transplant recipients compared to the Canadian general population, we carried out a retrospective cohort study of 1703 patients who received a heart transplant between 1981 and 1998, identified from the Canadian Organ Replacement Register database. Vital status and cancer incidence were determined through record linkage to the Canadian Mortality Database and Canadian Cancer Registry. Cancer incidence rates among heart transplant patients were compared to those of the general population. The observed number of incident cancers was 160 with 58.9 expected in the general population (SIR = 2.7, 95% CI = 2.3, 3.2). The highest ratios were for non-Hodgkin's lymphoma (NHL) (SIR = 22.7, 95% CI = 17.3, 29.3), oral cancer (SIR = 4.3, 95% CI = 2.1, 8.0) and lung cancer (SIR = 2.0, 95% CI = 1.2, 3.0). Compared to the general population, SIRs for NHL were particularly elevated in the first year posttransplant during more recent calendar periods, and among younger patients. Within the heart transplant cohort, overall cancer risks increased with age, and the 15-year cumulative incidence of all cancers was estimated to be 17%. There is an excess of incident cases of cancer among heart transplant recipients. The relative excesses are most marked for NHL, oral and lung cancer.
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PMID:The incidence of cancer in a population-based cohort of Canadian heart transplant recipients. 2012 25

TNF-related apoptosis inducing ligand (TRAIL) induces apoptosis through its death receptors (DRs) 4 and/or 5 expressed on the surface of target cells. The selectivity of TRAIL towards cancer cells has promoted clinical evaluation of recombinant human TRAIL (rhTRAIL) and its agonistic antibodies in treating several major human cancers including colon and non-Hodgkin's lymphoma. However, little is known about their ability in killing oral squamous cell carcinoma (OSCC) cells. In this study, we tested the apoptotic responses of a panel of seven human OSCC cell lines (HN31, HN30, HN12, HN6, HN4, Cal27, and OSCC3) to rhTRAIL and monoclonal antibodies against DR4 or DR5. We found that rhTRAIL is a potent inducer of apoptosis in most of the oral cancer cell lines tested both in vitro and in vivo. We also showed that DR5 was expressed on the surface of the tested cell lines which correlated with the cellular susceptibility to apoptosis induced by rhTRAIL and anti-DR5 antibody. By contrast, little or no DR4 was detected on the surface of OSCC3 and HN6 cells rendering cellular resistance to DR4 antibody and a reduced sensitivity to rhTRAIL. Notably, the overall TRAIL sensitivity correlated well with the levels of endogenous active Ras in the cell lines tested. Expression of a constitutively active Ras mutant (RasV12) in OSCC3 cells selectively upregulated surface expression of DR5, but not DR4, and restored TRAIL sensitivity. Our findings could have implications for the use of TRAIL receptor targeted therapies in the treatment of human OSCC tumors particularly the ones harboring constitutively active Ras mutant.
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PMID:TRAIL induces apoptosis in oral squamous carcinoma cells--a crosstalk with oncogenic Ras regulated cell surface expression of death receptor 5. 2347 Apr 85