Abstract:
:On their plasma membranes, cells express receptor proteins with high affinity for regulatory peptides, such as somatostatin. Changes in the density of these receptors during disease, for example, overexpression in many tumors, provide the basis for new imaging methods. The first peptide analogues successfully applied for visualization of receptor-positive tumors were radiolabeled somatostatin analogues. The next step was to label these analogues with therapeutic radionuclides for peptide receptor radionuclide therapy (PRRT). Results from preclinical and clinical multicenter studies already have shown an effective therapeutic response when using radiolabeled somatostatin analogues to treat receptor-positive tumors. Infusion of positively charged amino acids reduces kidney uptake, enlarging the therapeutic window. For PRRT of CCK-B receptor-positive tumors, such as medullary thyroid carcinoma, radiolabeled minigastrin analogues currently are being successfully applied. The combination of different therapy modalities holds interest as a means of improving the clinical therapeutic effects of radiolabeled peptides. The combination of different radionuclides, such as (177)Lu- and (90)Y-labeled somatostatin analogues, to reach a wider tumor region of high curability, has been described. A variety of other peptide-based radioligands, such as bombesin and NPY(Y(1)) analogues, receptors for which are expressed on common cancers such as prostate and breast cancer, are currently under development and in different phases of (pre)clinical investigation. Multireceptor tumor targeting using the combination of bombesin and NPY(Y(1)) analogues is promising for scintigraphy and PRRT of breast carcinomas and their lymph node metastases.
journal_name
Ann N Y Acad Scijournal_title
Annals of the New York Academy of Sciencesauthors
Krenning EP,Kwekkeboom DJ,Valkema R,Pauwels S,Kvols LK,De Jong Mdoi
10.1196/annals.1294.026subject
Has Abstractpub_date
2004-04-01 00:00:00pages
234-45eissn
0077-8923issn
1749-6632journal_volume
1014pub_type
杂志文章,评审abstract::In the pituitary of mammals, the GnRH receptor (GnRHR) plays crucial roles in the neuroendocrine control of reproductive function. This receptor is specifically expressed by the gonadotrope cells scattered among the five other endocrine cell types constituting the anterior pituitary; it is also expressed in other orga...
journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章,评审
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abstract::The use of animal cells, tissues, or organs for humans is being investigated as an alternative to allotransplantation and as therapy for a broad range of disease states including diabetes, Parkinson's disease, and neurologic pain control. The risk of transmitting novel infections with these tissues, xenozoonoses, has ...
journal_title:Annals of the New York Academy of Sciences
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abstract::Acute phase proteins (APPs) are a group of serum proteins that undergo dramatic changes in concentration during times of inflammation. Many APPs are heavily glycosylated, and their sugar content and complexity change in the presence of cancer-induced chronic inflammation. These changes in glycosylation are currently b...
journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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abstract::Research in the area of adolescent alcohol use is progressing rapidly, as exemplified by the chapters in this section. Basic animal research in rodents has revealed adolescents to be more sensitive than adults to ethanol-induced disruptions in brain plasticity, although adolescents conversely are relatively insensitiv...
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journal_title:Annals of the New York Academy of Sciences
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abstract::Obesity is a public health epidemic associated with a number of comorbidities, most notably type 2 diabetes and hypertension, as well as elevated all-cause mortality. The treatment for obesity and its associated comorbidities has most recently expanded into the field of bariatric endoscopy. This field bridges a gap be...
journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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abstract::In this paper, we provide macromolecular comparisons utilizing the 5S ribosomal RNA structure to suggest extant bacteria that are the likely descendants of chloroplast and mitochondria endosymbionts. The genetic stability and near universality of the 5S ribosomal gene allows for a useful means to study ancient evolut...
journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
doi:10.1111/j.1749-6632.1987.tb40601.x
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abstract::AZT inhibited replication of an immunodeficiency-inducing strain of feline leukemia virus (FeLV-FAIDS) in vitro at concentrations as low as 0.005 microgram/mL. This antiviral activity was augmented an additional 25-30% when AZT was combined with human recombinant alpha-interferon (2b) (IFN alpha). Administration of AZ...
journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章,评审
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章,评审
doi:10.1111/j.1749-6632.1977.tb19254.x
更新日期:1978-09-29 00:00:00
abstract::Neurologic symptoms were the earliest and most prominent symptoms recorded in Michigan farm residents exposed to PBB as compared to a non-PBB exposed control farm population in Wisconsin. In Michigan (particularly among males) those who exhibited the most marked symptoms tended to show diminished performance as assess...
journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章
doi:10.1111/j.1749-6632.1979.tb56617.x
更新日期:1979-05-31 00:00:00
abstract::A recombinant major histocompatibility complex (MHC) with the same class III region as the NOD mouse, but different class II region from the NOD mouse was identified in the NON mouse, and NOD mice congenic for this recombinant MHC, NOD.NON-H2, was established. None of the congenic mice homozygous for the NON MHC devel...
journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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更新日期:2009-05-01 00:00:00
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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abstract::As a result of intensive investigation, particularly in the pharmaceutical industry, a number of potent and selective metabotropic glutamate receptor subtype 5 (mGluR5) antagonists have been discovered. The structure activity relationship studies that led to the discovery of these mGluR5 antagonists are presented in t...
journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
pub_type: 杂志文章,评审
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