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l phenylalanine/καρκίνος
Ο σύνδεσμος αποθηκεύεται στο πρόχειρο
Σελίδα 1 από 275 Αποτελέσματα
123/125I-labelled 2-iodo-L: -phenylalanine and 2-iodo-D: -phenylalanine: comparative uptake in various tumour types and biodistribution in mice.
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Σύνδεση εγγραφή
OBJECTIVE
In vitro in the R1M cell model and in vivo in the R1M tumour-bearing athymic model, both [(123)I]-2-iodo-L: -phenylalanine and [(123)I]-2-iodo-D: -phenylalanine have shown promising results as tumour diagnostic agents for SPECT. In order to compare these two amino acid analogues and to
Use of [123I]-2-iodo-L-phenylalanine as a tumor imaging agent in two dogs with synovial cell sarcoma.
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Σύνδεση εγγραφή
[123I]-iodo-L-phenylalanine was successfully evaluated for gamma camera imaging in vivo in tumor-bearing athymic mice and in humans with brain tumors. Here, we report the use of this tracer in two dogs with synovial cell sarcoma of the tarsus. [123I]-iodo-L-phenylalanine was quantitatively prepared
Levamisole in primary breast cancer. A controlled study in conjunction with l-phenylalanine mustard.
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Σύνδεση εγγραφή
Between September 1976 and May 1980, 135 patients with operable breast cancer and positive axillary nodes received l-phenylalanine mustard, adjunct to surgery, 0.15 mg/kg for five days, six weekly, and were randomised prospectively to levamisole 150 mg for three days, two weekly, or a placebo.
The effect of Corynebacterium parvum in combination with 5-fluorouracil, L-phenylalanine mustard, or methotrexate on the inhibition of tumor growth.
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Σύνδεση εγγραφή
Previous reports from this laboratory have demonstrated conclusively that cyclophosphamide administered asynchronously with Corynebacterium parvum (CP) results in greater C3H mammary tumor inhibition than that observed with either agent alone. An analysis of this combination has revelaed that the
Resistance patterns of Walker carcinosarcoma 256 and other rodent tumors to cyclophosphamide and L-phenylalanine mustard.
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Σύνδεση εγγραφή
Comparison is made of the development of resistance to cyclophosphamide (CPA) and L-phenylalanine mustard (L-PAM), of cross-resistance, and chromosome counts, in Walker 256 (W256), rat sarcoma R3 (R3), leukemia L1210, and Ridgway osteogenic sarcoma. For development of resistance the single maximum
Initial evaluation of the feasibility of single photon emission tomography with p-[123 I]iodo-L-phenylalanine for routine brain tumour imaging.
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p-[123I]iodo-L-phenylalanine (IPA) is a recently described radiopharmaceutical which is highly accumulated in gliomas. The present investigation was designed to evaluate the feasibility of single photon emission tomography (SPET) with IPA to image brain tumours under routine clinical conditions.
Self-assembled micelles of amphiphilic poly(L-phenylalanine)-b-poly(L-serine) polypeptides for tumor-targeted delivery.
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The aim of this work was to design, synthesize, and characterize self-assembled micelles based on polypeptides as a potential antitumor drug carrier. Amphiphilic poly(L-phenylalanine)-b-poly(L-serine) (PFS) polypeptides were obtained through the polymerization of N-carboxyanhydride. As a novel
Antineoplastic agents III: effects of dibromoethyl and vinyl esters of N-benzyloxycarbonyl-l-phenylalanine on Ehrlich ascites tumor cell metabolism.
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Evidence is presented that N-benzyloxycarbonyl-L-phenylalanine vinyl ester and 1,2-dibromoethyl ester are inhibitors of Walker 256 carcinosarcoma and Ehrlich ascites carcinoma tumor growth. The major effects of these two agents on Ehrlich ascites cell metabolism were the inhibition of
Human ovarian cancer cell lines resistant to cisplatin, doxorubicin, and L-phenylalanine mustard are sensitive to delta 7-prostaglandin A1 and delta 12-prostaglandin J2.
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The antitumor activity of delta 7-prostaglandin A1 (delta 7-PGA1) or delta 12-prostaglandin J2 (delta 12-PGJ2) on human ovarian cancer cell lines resistant to cisplatin (CDDP), doxorubicin (ADR), and L-phenylalanine mustard (l-PAM) was studied in vitro. A2780AD, A2780 (parent cells of A2780AD),
Distribution of nitroimidazoles and L-phenylalanine mustard in mammary adenocarcinoma 16/C tumors.
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Using the triphenylmethane dye, lissamine green, as an indicator of blood perfusion, we have demonstrated that L-phenylalanine mustard (L-PAM) is differentially distributed in mice bearing mammary adenocarcinoma 16/C tumors. Following i.p. administration, concentrations of L-PAM in various regions
Preclinical evaluation of new α-radionuclide therapy targeting LAT1: 2-[ 211 At]astato-α-methyl-L-phenylalanine in tumor-bearing model
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Introduction: Targeted α-radionuclide therapy has attracted attention as a promising therapy for refractory cancers. However, the application is limited to certain types of cancer. Since L-type amino acid transporter 1 (LAT1) is highly
Mammary tumor and melanoma cell transport of PTT.119, a bis-(2-chloroethyl)amino-L-phenylalanine derivative with carrier amino acids.
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Uptake of the bifunctional alkylating agent, PTT.119, p-F-Phe-m-bis-(2-chloroethyl)amino-L-Phe-Met-ethoxy-HCl, by the MJY-alpha mammary tumor and B16 melanoma cell lines occurred via two natural pathways for amino acid transport. The primary route of PTT.119 entry was the classical L System,
A circadian variation of melphalan (L-phenylalanine nitrogen mustard) toxicity to murine bone marrow: relevance to cancer treatment protocols.
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The toxicity of Melphalan to murine bone marrow was assessed by automated Coulter counts of femoral marrow nucleated cells. A significant dose-response slope (p less than 0.001) was shown and also a significant variation along the 24 h scale. With food available ad libitum and light from 06.00 to
Synthesis and radiation dosimetry of 4-borono-2-[18F]fluoro-D,L-phenylalanine: a target compound for PET and boron neutron capture therapy.
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The 18F-labeling of 4-borono-D-L-phenylalanine (BPA), a potential target compound for cancer treatment with boron neutron capture therapy, is described. By direct fluorination of BPA with [18F]AcOF or [18F]F2 followed by HPLC separation, 4-borono-2-[18F]fluoro-D,L-phenylalanine was prepared with
Amino acid absorption by mouse ascites-tumour cells depleted of both endogenous amino acids and adenosine triphosphate.
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1. Despite the depletion of both their content of exchangeable endogenous amino acids and reserves of ATP, starved hypo-osmotically shocked preparations of the tumour cells accumulated relatively large amounts of (14)C-labelled 2-aminoisobutyrate, l-alanine, glycine, l-leucine, l-methionine,
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