Abstract：
:Oxygen plays a key role in tumor therapy and may be related to tumor development: e.g., angiogenesis and metastasis. Using noninvasive techniques to accurately measure tumor oxygenation could assist in developing novel therapies. Here, we have used the FREDOM (Fluorocarbon Relaxometry using Echo planar imaging for Dynamic Oxygen Mapping) approach based on hexafluorobenzene (HFB) to monitor tissue oxygen tension (pO2) of rat breast and prostate tumors and compared the results with changes in tumor vascular hemoglobin saturation (sO2) and concentration observed using a new dual wavelength homodyne near-infrared (NIR) system. The dynamic changes in pO2 and sO2 were assessed while rats were breathing various gases. NIR showed significant changes in vascular oxygenation accompanying respiratory interventions. 19F MR-EPI also showed significant changes in tissue pO2 and revealed considerable regional heterogeneity in both absolute values and rate of change accompanying interventions. Generally, changes in vascular sO2 preceded tissue pO2, particularly for smaller tumors.
journal_name
Adv Exp Med Bioljournal_title
Advances in experimental medicine and biologyauthors
Song Y,Worden KL,Jiang X,Zhao D,Constantinescu A,Liu H,Mason RPdoi
10.1007/978-1-4615-0075-9_22subject
Has Abstractpub_date
2003-01-01 00:00:00pages
225-36eissn
0065-2598issn
2214-8019journal_volume
530pub_type
杂志文章abstract：:Midbrain dopaminergic neurons (mDA), comprising the substanti nigra pars compacta (A8), the ventral tegmental area (A9) and the retrorubal field (A10) subgroups, are generated from floor plate progenitors, rostral to the isthmic boundary. Floor plate progenitors are specified to become mDA progenitors between embryoni...
journal_title：Advances in experimental medicine and biology
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abstract：:Most processes of human body, such as brain function, are regulated by biological rhythms. Disturbance of biological rhythms impairs mood, behavior, cognition, sleep, and social activity and may lead to mental disorders. Disturbed rhythms are widely observable in patients with major depressive disorders (MDD) and make...
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journal_title：Advances in experimental medicine and biology
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doi：10.1007/978-1-4899-0949-7_1
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更新日期：2018-01-01 00:00:00
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journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
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更新日期：2007-01-01 00:00:00
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更新日期：2010-01-01 00:00:00
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journal_title：Advances in experimental medicine and biology
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更新日期：1997-01-01 00:00:00
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journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：10.1007/978-1-4899-1379-1_20
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abstract：:Premature ovarian insufficiency (POI) or primary ovarian failure is defined as a cessation of the menstrual cycle in women younger than 40 years old. It is strictly defined as more than 4 months of oligomenorrhea or amenorrhea in a woman <40 years old, associated with at least two follicle-stimulating hormone (FSH) le...
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journal_title：Advances in experimental medicine and biology
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journal_title：Advances in experimental medicine and biology
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journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章
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journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：
更新日期：2010-01-01 00:00:00
abstract：:Receptor binding assays are a modern approach to the effects-related analysis of xenoendocrines. Human estrogen receptors are used to develop an analytical tool for the detection of estrogenic substances in environmental samples. A sensitive Enzyme Linked Receptor Assay (ELRA) was developed in a microwell plate format...
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journal_title：Advances in experimental medicine and biology
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更新日期：2017-01-01 00:00:00
abstract：:P-ANCA that do not react with myeloperoxidase (MPO) have been claimed to serve as a useful diagnostic marker in the differential diagnosis of inflammatory bowel disease (IBD). Therefore, in this study we determined the frequency of MPO-negative-p-ANCA in patients with inflammatory bowel disease and correlated the pres...
journal_title：Advances in experimental medicine and biology
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更新日期：2020-01-01 00:00:00
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abstract：:Initial attempts to model urinary folate reabsorption using cultures of HPT cells on porous filter inserts produced disappointing results in that large amounts of 5M were transported across the epithelial monolayer in a nonspecific manner. Since the impermeable molecule inulin was also transported, there apparently ex...
journal_title：Advances in experimental medicine and biology
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更新日期：1993-01-01 00:00:00
abstract：:Two-component systems (TCSs) are well conserved among E. coli strains, including pathogenic E. coli and also closely related Shigella spp. Although 25% of the genome of pathogenic E. coli is strain-specific, only small number of strain-specific TCSs is found. Regulation of virulence genes in response to environmental ...
journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
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abstract：:Erythropoietin producing cells were identified in the murine hypoxic kidney by in situ hybridization. The positive cells were peritubular cells, most likely endothelial cells of the cortex and outer medulla. Glomerular and tubular cells were not labelled. In three patients with renal adenocarcinomas associated with po...
journal_title：Advances in experimental medicine and biology
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doi：10.1007/978-1-4613-0623-8_8
更新日期：1989-01-01 00:00:00
