نتایج جستجو برای: nucleus
تعداد نتایج: 112020 فیلتر نتایج به سال:
Midbrain periaqueductal gray mater area (PAG) receives some afferents from anterolateral system, frontal cortex, and hypothalamus that inhibit pain through its descending pathway that synapses medial raphe nuclus (mrph) and finally terminates on spinal cord enkephalinergic interneurons in layers II and III. In the present study, the role of Ca+2–channels located on medial raphe nucleus neurons ...
Calcium-binding proteins play essential roles in the cell. One important class of calcium-binding proteins is the annexin family. This is a family of 13 proteins, which binds to phospholipids in a calcium-dependent manner. Osteosarcoma cell line (MG-63) is a transformed cell that has many characteristics of the differentiated cell, such as a considerable serum dependency in its growth rate. Usi...
Recent neuroanatomical and behavioral evidence has indicated that vasopressin (VA) increases pain threshold. The dorsal raphe nucleus (DRN) is an important nucleus in pain modulation. Anatomical studies have shown that DRN receives vasopressinergic fibers originating in the hypothalamic paraventricular nucleus. The aim of the present study was to examine the effects of intra-DRN injection of de...
In the present study, various developmental stages of Liza aurata oocyte, especially IV and V stages have been described. On the basis of histological investigations, oocyte development in L. aurata comprises immature (I), the early maturing (II), the late maturing (III), mature (IV), ripe (V), and spent (VI) stages. In the stages I and II, nucleus occupied large volume of oocyte. Vacuolization...
Introduction: Oxytocin is a active neuropeptide of central nervous system. In this study the effects of naloxone (opioid receptor antagonist) and yohimbine (α-2 adrenergic receptor antagonist) on analgesic effect of oxytocin applied into the locus coeruleus (LC) nucleus were investigated. Methods: Adult male Wistar rats were used. Animals divided into different groups receiving saline, oxy...
The herpes simplex virus type 1 (HSV-1) tegument protein, VP22 has been reported to have the property of intercellular transport. The previous studies have shown that following expression of a fusion protein containing VP22 it spreads to every cell in a monolayer and concentrates in the nucleus. In spite of these reports, some studies have shown that VP22 trafficking and its nucleus accumulatio...
Background and Objective: Nitric oxide mediated some behavioral effects of nicotine and ethanol in the nucleus accumbens. In the present study, the effects of L-NAME (nitric oxide synthase inhibitor) in the nucleus accumbens on nicotine’s effect in ethanol-induced amnesia were investigated. Materials and Methods: In this experimental study 96 adult male wistar rats were used (12 groups)...
the herpes simplex virus type 1 (hsv-1) tegument protein, vp22 has been reported to have the property of intercellular transport. the previous studies have shown that following expression of a fusion protein containing vp22 it spreads to every cell in a monolayer and concentrates in the nucleus. in spite of these reports, some studies have shown that vp22 trafficking and its nucleus accumulatio...
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