Aged ; Angina Pectoris, Variant ; physiopathology ; Coronary Vasospasm ; physiopathology ; Coronary Vessels ; physiopathology ; Humans ; Male

The cerebral blood flow of infant is effected by physiological and pathological factors.As the cerebrovascular autoregulation of neonates is poor,in pathological cases,especially when hypoxemia and hypercapnia impaired regulation of its own,lead to changes in cerebral blood flow,then resulting in severe brain injury.It has made enormous progress in the research on the changes of cerebral blood flow in newborns in recent years.In normal infants,cerebral blood flow velocities is positively correlated to gestational age and body weight,and increase gradually with day-age in the first week after birth.The cerebral blood flow of newborn with brain injury can present as insufficiency,over-perfusion or low speed high-resistance earlier and high speed low-resistance later.Different results may be related to the duration and severity of asphyxia,but all of those are signs of damage of self-regulatory function of cerebral blood flow.Cerebral hemodynamic change is the important pathogenesis mechanism of brain injury.

Testicular germ cell tumor (TGCT) is a most common testicular malignancy with an increasing incidence, and its pathogenesis and mechanisms are not yet clear. The next generation sequencing has become the main tool to uncover the underlying mechanisms of TGCT. The differential gene expressions, gene mutation, predisposing gene-dominated signaling pathways, and changes of the relevant genes in the sex chromosome are largely involved in the occurrence and development of TGCT. Studies on the genomics of TGCT contribute a lot to identifying the pivotal pathogenic genes and paving a theoretical ground for the early screening and targeted therapy of TGCT. This paper summarizes the advances in the studies of the genomics of TGCT so as to reveal thetmechanisms of the disease at the genetic level.
Genomics ; High-Throughput Nucleotide Sequencing ; Humans ; Male ; Neoplasms, Germ Cell and Embryonal ; genetics ; Testicular Neoplasms ; genetics

Adult ; Aged ; Aged, 80 and over ; Humans ; Middle Aged ; Pneumoconiosis ; diagnostic imaging ; Radiography, Thoracic ; methods ; Tomography, X-Ray Computed ; X-Ray Film

0.05).Conclusion MSCs could derive to cardiomyocyte-like cells after induction and incubation for 4 weeks in vitro,of which Ca~(2+)/CaMKⅡ is similar to the normal cardiomyocytes cells.

Objective To develop an ideal cultural method to amplify embryonic hepatic stem cells and inhibit their differentiation in vitro. Methods Suspension of ED 14 Fischer (F) 344 rat em-bryonic hepatic stem cells was prepared by collagenase digestion and mechanical disaggregation. Then cells were divided into two groups randomly. The cells in group 1 were seeded into type I collagen-coated plates by adherent culture while those in group 2 were seeded into soft agar medium by suspen-sion culture. After culture for 2 weeks, the morphology and ultrastructure of cells in both groups were observed and compared by inverted microscope and transmission electron microscope, respectivley.The expression of CD90. 1 and CD49F, the two specific stem cell surface markers, was tested by flow cytometry to manifest the establishment of embryonic hepatic stem cells. Alkaline phosphatase stai-ning was used to detect stem cell differentiation. Result Embryonic hepatic stem cells in group 2 were characterized by higher nucleus-cytoplasm ratio and less cell organelles, higher expression of CD90. 1 and CD49F, and stronger positive reaction for alkaline phosphatase staining compared with those in group 1. Moreover, the cells in group 1 showed significant differentiation features. Conclusion Em-bryonic hepatic stem cells cultured suspendedly in soft agar medium experience less differentiation than those adherently cultured in serum-added culture medium, and can proliferate and form clone ball with a specific stem cell feature.

Animals ; Animals, Newborn ; Astragalus Plant ; Doxorubicin ; adverse effects ; Drugs, Chinese Herbal ; pharmacology ; Mice ; Mice, Inbred BALB C ; Myocardium ; pathology ; ultrastructure

Spermatogonial transplantation (ST) is a novel technique which mechanism is similar to other transplantations. The donor testicular cells transferred into recipient testes by the microinjection can initiate spermatogenesis and produce sperm in the recipient testis. The homograft has got success. The xenograft in which (man, horse, bull or rat, can be the donor; immunodeficiency mouse can be the recipient) and cryopreserved germ cells can not clonize in the recipient testes. The reason may be immunoreaction. ST technique will be propitious to these fields, 1. to investigate fundamental aspects of spermatogenesis; 2. to regenerate spermatogenesis in infertile individuals; 3. to develop transgenic animals.
Animals ; Animals, Genetically Modified ; Humans ; Male ; Spermatogenesis ; physiology ; Spermatogonia ; transplantation ; Transplantation, Heterologous

Objective: To observe the clinical effect of Zheng's Jin Gou Diao Yu (gold-hook-fishing) acupuncture method versus ordinary acupuncture on superficial fascia for treating neck type cervical spondylopathy in Kyrgyz. Methods:A total of 64 Kyrgyz patients conforming to the diagnostic criteria of neck type cervical spondylopathy were included. The patients were randomized into a Zheng's Jin Gou Diao Yu (gold-hook-fishing) acupuncture group and a conventional acupuncture group, with 32 cases in each group. Patients in the Zheng's Jin Gou Diao Yu (gold-hook-fishing) acupuncture group were treated with Zheng's Jin Gou Diao Yu (gold-hook-fishing) acupuncture method to stimulate the superficial fascia, the stimulation sites were primarily located at bilateral sides of the cervical vertebra as well as the trigger points in shoulder-neck region; patients in the conventional acupuncture group were punctured at the same acupoints, with twirling reducing method, and the depth of insertion was determined by the treated region. Patients in both groups received treatment every day for a succession of 5 d as a course, with a 2-day interval between 2 courses, and the whole treatment lasted for 3 courses. After 3 courses of treatment, the McGill pain questionnaire (MPQ) and neck disability index (NDI) were measured to compare the clinical effect between the two groups. Results: After treatment, scores of MPQ and NDI scale dropped when compared with those before treatment, and the differences showed statistical significance (allP<0.05); scores of MPQ and NDI in the Jin Gou Diao Yu (gold-hook-fishing) acupuncture group were substantially lower than those in the conventional acupuncture group, and the differences showed statistical significance (allP<0.05). The total effective rate was 96.9％ in the Jin Gou Diao Yu (gold-hook-fishing) acupuncture group and the cured rate was 78.1％, which were higher than 81.3％ and 40.6％ in the conventional acupuncture group, and the differences showed statistical significance (bothP<0.05). Conclusion: Zheng's Jin Gou Diao Yu (gold-hook-fishing) acupuncture method by stimulating superficial fascia to treat cervical spondylopathy in Kyrgyz can produce a better clinical effect than conventional acupuncture treatment, and is effective in improving pain and stiffness in patients, and thus is worth clinical popularization.

Objective To study on the effect of indicator animals in plague surveillance throngh detecting F1 antibody against Yersiniapestis(Y.pestis)in indicator animals in wild rat plague foci,provide scientific evidence for plague control and determining the range of epidemic area.Methods According to investigation scheme of wild rodents plagne foci in Yunnan Province,indicator animals Canis familiarils and Felis catu(C.familiarils and F.catus)related to the plague were investigated in 75 villages,14 township and 10 counties around Yulong County,and living rodents were captured by cage,sera of indicator animals and rodents relevant to plague were simultaneously collected and detected for F1 antibody against Y.pestis using indirect hemagglutination(IHA).Results Seropositivity rate of indicator animals were 6.76%(202/2987),being 24.69% in C.familiaris and 24.69% in F.catus,there were statistical significance(X2＝87.32,P＜0.01)between C familiaris and F catus,the latter beingmore than the former.But F1 antibody of rodents sera were not detected,its seropositivity rate was zero.there was a statistical significance(P＜0.01)between indicator animals and rodents.Conclusions Through serocpidemiological survey of indicator animals,new wild rat plague natural focus has been confirmed in YuLong County and Gucheng District in LiJiang City,therefore,serocpidemiological surveillance of indicator animals is very important for plague control and prevention.