1.Applications of molecular imaging in vulnerable atherosclerotic plaque.
Acta Academiae Medicinae Sinicae 2009;31(2):248-252
Atherosclerosis plaque is the underline cause of ischemic stroke and acute coronary syndrome. In this article, the applications of molecular imaging in vulnerable plaque are reviewed.
Atherosclerosis
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diagnosis
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pathology
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Humans
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Molecular Imaging
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methods
5.Application of molecular autopsy in sudden death caused by inherited arrhythmia.
Ye-hui LÜ ; Wen-can LI ; Long CHEN
Journal of Forensic Medicine 2012;28(5):362-370
Sudden cardiac death (SCD) refers to sudden stop of breath and heartbeat and death within one hour caused by underlying cardiac diseases. Clinical manifestation of inherited arrhythmia is lethal arrhythmia without gross cardiac lesions, which can lead to SCD. The autopsy and pathological examination are difficult to identify the cause of death. Fatal mechanism of inherited arrhythmia is the change in the genes encoding for cardiac ion channel protein, which causes the dysfunctions of cardiac electrical activity. It is very important to detect genetic mutation by the technique of molecular biology in negative autopsy. This review presents the latest research on the relation between SCD and inherited arrhythmia, and the application of molecular autopsy used in identifying SCD due to inherited arrhythmia and its candidate gene.
Arrhythmias, Cardiac/pathology*
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Autopsy/methods*
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Cardiovascular Diseases/genetics*
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Death, Sudden, Cardiac/pathology*
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Humans
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Mutation
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Pathology, Molecular
6.Opportunity and challenge of diagnostic pathology in China.
Chinese Journal of Pathology 2005;34(8):466-467
8.Analysis of different methods of extracting DNA from paraffin-embedded tissues and the application of nest PCR.
Limin YAN ; Baocun SUN ; Xiulan ZHAO ; Zenghui LIU ; Wenjing SONG
Journal of Biomedical Engineering 2011;28(4):795-799
The aim of this research was to explore the most optimal method of DNA extraction from formalin-fixed, paraffin-embedded (FFPE) tissues, and to improve the amplification of long fragments with the method. Three methods, one step method, phenol-chloroform extraction method, and genomic DNA purification kit method, were employed to extract DNA from twenty normal thyroid tissues which were fixed with formalin and embedded with paraffin. The highest proportionality of OD260/OD280 in the examples was obtained by phenol-chloroform extraction method, 1.703 +/- 0.086, compared to the results of the other two methods. As for the long DNA segments amplification, the achievement ratio of one step method, phenol-chloroform extraction method and genomic DNA purification kit method were 0%, 5% and 10%, respectively, by traditional PCR method, but 0%, 95% and 85% respectively by the nest PCR. We have found that the best process of extracting DNA from FFPE is digesting by proteinase K and purifying by phenol-chloroform, and it is effective to amplify long DNA segments from FFPE by nest PCR.
Base Sequence
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DNA
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isolation & purification
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Formaldehyde
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Humans
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Molecular Sequence Data
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Paraffin Embedding
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Pathology, Molecular
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methods
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Polymerase Chain Reaction
;
methods
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Sensitivity and Specificity
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Thyroid Gland
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pathology
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Tissue Fixation
9.Cardiovascular Molecular Imaging with Contrast Ultrasound: Principles and Applications.
Chi Young SHIM ; Jonathan R LINDNER
Korean Circulation Journal 2014;44(1):1-9
Methods for imaging the molecular or cellular profile of tissue are being developed for all forms of non-invasive cardiovascular imaging. It is thought that these technologies will potentially improve patient outcomes by allowing diagnosis of disease at an early-stage, monitoring disease progression, providing important information on patient risk, and for tailoring therapy to the molecular basis of disease. Molecular imaging is also already assuming an important role in science by providing a better understanding of the molecular basis of cardiovascular pathology, for assessing response to new therapies, and for rapidly optimizing new or established therapies. Ultrasound-based molecular imaging is one of these new approaches. Contrast-enhanced ultrasound molecular imaging relies on the detection of novel site-targeted microbubbles (MB) or other acoustically active particles which are administered by intravenous injection, circulate throughout the vascular compartment, and are then retained and imaged within regions of disease by ligand-directed binding. The technique is thought to be advantageous in practical terms of cost, time, and ease of use. The aim of this review is to discuss the molecular participants of cardiovascular disease that have been targeted for ultrasound imaging, general features of site-targeted MB, imaging protocols, and potential roles of ultrasound molecular imaging in cardiovascular research and clinical medicine.
Cardiovascular Diseases
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Clinical Medicine
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Diagnosis
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Disease Progression
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Humans
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Injections, Intravenous
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Methods
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Microbubbles
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Molecular Imaging*
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Pathology
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Ultrasonography*
10.Surveyor assay to diagnose persistent Müllerian duct syndrome in Miniature Schnauzers.
Young June KIM ; Hyuk Jin KWON ; Hyuk Soo BYUN ; Donguk YEOM ; Jea Hong CHOI ; Joong Hyun KIM ; Hosup SHIM
Journal of Veterinary Science 2017;18(4):547-549
Persistent Müllerian duct syndrome (PMDS) is a pseudohermaphroditism in males characterized by the presence of Müllerian duct derivatives. As PMDS dogs often lack clinical symptoms, a molecular diagnosis is essential to identify the syndrome in these animals. In this study, a new molecular method using DNA mismatch-specific Surveyor nuclease was developed. The Surveyor nuclease assay identified the AMHR2 mutation that produced PMDS in a Miniature Schnauzer as accurately as that obtained by using the conventional method based on restriction digestion. As an alternative to the current molecular diagnostic method, the new method may result in increased accuracy when detecting PMDS.
Animals
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Diagnosis
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Digestion
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Disorders of Sex Development
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DNA
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Dogs
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Humans
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Male
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Methods
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Pathology, Molecular