نتایج جستجو برای: تکنیک tunel

تعداد نتایج: 33814  

Journal: :Medical Science and Discovery 2022

Objective: Even if epileptic women can give birth to healthy babies, the rates of premature birth, low weight, fetal and neonatal death risk, congenital malformations growth retardation in pregnant who use antiepileptic drugs (AEDs) are high compared population. The present study aimed examine effects AED Lacosamide (LCM) during pregnancy on fetus terms neuronal embryonic development 48-hour ch...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2006
Max Levin Don McCurnin Steven R Seidner Bradley Yoder Nahid Waleh Seth Goldbarg Christine Roman Bao Mei Liu Jan Borén Ronald I Clyman

After birth, constriction of the full-term ductus arteriosus induces oxygen, glucose and ATP depletion, cell death, and anatomic remodeling of the ductus wall. The immature ductus frequently fails to develop the same degree of constriction or anatomic remodeling after birth. In addition, the immature ductus loses its ability to respond to vasoconstrictive agents, like oxygen or indomethacin, wi...

Journal: :The Journal of rheumatology 2000
T Kabata T Kubo T Matsumoto M Nishino K Tomita S Katsuda T Horii N Uto I Kitajima

OBJECTIVE We investigated apoptosis, i.e., programmed cell death, in steroid induced osteonecrosis in a rabbit model. METHODS Forty-four adult Japanese White rabbits were divided into 3 groups: Group A were untreated controls and had a subsequent 8 week no-treatment period; Group B received intramuscular injection of methylprednisolone 4 mg/kg once weekly for 4 weeks; and Group C received the...

Journal: :Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2000
K Matsushita W Meng X Wang M Asahi K Asahi M A Moskowitz E H Lo

The overall hypothesis that cell death after intracerebral hemorrhage is mediated in part by apoptotic mechanisms was tested. Intracerebral hemorrhage was induced in rats using stereotactic infusions of 0.5 U of collagenase (1-microL volume) into the striatum. After 24 hours, large numbers of TUNEL-positive stained cells with morphologies suggestive of apoptosis were present in the center and p...

2006
YUJI TAKETANI

Ovarian follicle atresia is thought to be induced through apoptosis of granulosa cells. This study was designed to investigate the possible involvement of nitric oxide (NO) in granulosa cell apoptosis. In immature rat ovaries obtained 48 h after pregnant mare serum gonadotropin administration, immunohistochemistry and terminal deoxynucleotidyl transferase-mediated dUTPbiotin nick end labeling (...

Journal: :Experimental eye research 1999
W J Kim Y S Rabinowitz D M Meisler S E Wilson

Keratoconus is an ectatic corneal dystrophy associated with stromal thinning and disruption of Bowman's layer. The purpose of this study was to explore a possible association between keratocyte apoptosis and keratoconus. Keratocyte apoptosis was evaluated in corneas of patients with keratoconus, corneas of patients with stromal dystrophies, and normal donor corneas using the transferase-mediate...

Journal: :Theriogenology 2009
Katherine E M Hendricks Peter J Hansen

Apoptosis is common during spermatogenesis. Here, it was tested whether apoptosis could be induced in sperm after ejaculation. There were several lines of evidence to indicate that sperm are resistant to induction of apoptosis. First, incubation of bull sperm at temperatures characteristic of normothermia (38.5 degrees C) or heat shock (40 and 41 degrees C) for 4h did not increase the proportio...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1997
D Thomaidou M C Mione J F Cavanagh J G Parnavelas

Large numbers of dying cells are found in proliferating tissues, suggesting a link between cell death and cell division. We detected and quantified dying cells during pre- and early postnatal development of the rat cerebral cortex using in situ end labeling of DNA fragmentation [terminal deoxynucleotidyl transferase-mediated dUTP-biotin nick end labeling (TUNEL)] and electron microscopy. The pr...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1998
A C Conti R Raghupathi J Q Trojanowski T K McIntosh

The temporal pattern of apoptosis in the adult rat brain after lateral fluid-percussion (FP) brain injury was characterized using terminal deoxynucleotidyl-transferase-mediated biotin-dUTP nick end labeling (TUNEL) histochemistry and agarose gel electrophoresis. Male Sprague Dawley rats were subjected to brain injury and killed for histological analysis at intervals from 12 hr to 2 months after...

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