Abstract：
:Nitric oxide (NO) is produced by NO synthase (NOS) isoforms: neuronal NOS (nNOS), endothelial NOS (eNOS) and inducible NOS (iNOS). It is believed that, while nNOS and eNOS are effective in regulation of normal physiological processes, iNOS is expressed at an increasing rate especially in inflammatory process. The aim of this study was to determine the presence of iNOS immunoreactivity (iNOS-IR) and, to compare the iNOS-IR in islet of Langerhans cells (LC), acinar cells (AC), centroacinar cells (CC) and ductal cells (DC) by immunohistochemical (IHC) method in healthy rat pancreata. This study revealed the presence of iNOS-IR in all cell types except AC. Statistical analysis revealed a highly significant difference (p<0.001) with respect to iNOS-IR in comparison of all cell types. However, binary comparison of cell types revealed no significant differences between LC and DC (p=0.136), significant differences LC and CC, CC and DC (p=0.001 and 0.022, respectively) and a highly significant differences LC and AC, AC and DC (P<0.001). The results of this study indicate that iNOS-IR is present in almost all LC. Thus, especially in reseach related to diabetes, it should not be disregarded that iNOS may be constitutively present in pancreatic islets.
journal_name
Folia Histochem Cytobioljournal_title
Folia histochemica et cytobiologicaauthors
Keklikoglu Ndoi
10.2478/v10042-008-0032-5subject
Has Abstractpub_date
2008-01-01 00:00:00pages
213-7issue
2eissn
0239-8508issn
1897-5631pii
YV0M6568Q36W727Hjournal_volume
46pub_type
杂志文章abstract：:Dendritic cells (DCs) are regarded as the most potent antigen presenting cells that are well suited to activate T cells toward various antigens, such as tumor-associated antigens, due to their costimulatory activity. There is evidence that DCs are of diverse origin, with at least two types of myeloid and lymphoid prec...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：2004-01-01 00:00:00
abstract：INTRODUCTION:Chronic rhinosinusitis (CRS) affects 14% of the world population. The high motility group box 1 (HMGB1) protein triggers inflammation, cell proliferation and cell survival through its receptor for advanced glycation end products (RAGE) upon release from stressed or necrotic cells. The aim of the study was ...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：10.5603/FHC.a2015.0007
更新日期：2015-01-01 00:00:00
abstract：:A method has been developed for isolation of cells from the efferent ductules of the rat epididymis to obtain a population of epithelial cells. The technique depends on a transfer of segments of the ductules into a new isolation medium and gradual purification from fat cells, fibroblasts, collagen fibres and smooth mu...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：1985-01-01 00:00:00
abstract：:The effect of a single dose of adrenaline on the neurosecretory action of the hypothalamo-hypophyseal system was investigated in 90 male rats. Increased release and transport of neurosecretory material were observed after a low dose of adrenaline, and the enhancement of the neurosecretory process was noted following a...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：2001-01-01 00:00:00
abstract：:Microtubules present in the epidermis of Ornithogalum umbellatum ovary in the area of lipotubuloids (i.e. aggregates of lipid bodies surrounded by microtubules) are 25-51 nm in diameter. They consist mainly of 10 and 11, sometimes 9 and 12 protofilaments. An average diameter of microtubule consisting of 9 subunits is ...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：2006-01-01 00:00:00
abstract：:The effect of the NSP fraction and its four peptide constituents (A, C2, D and G) on the 3H-thymidine incorporation into REF and R-XC cells in vitro was described. Only peptide G (at concentration 5 micrograms/ml) affected the growth of the investigated cells, decreasing the 3H-thymidine uptake to 4-13% relative to un...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：1985-01-01 00:00:00
abstract：INTRODUCTION:Aging causes morphological and functional changes in the thyroid gland. Free radicals play a key role in the pathology of normal aging. Vimentin and cytokeratin are cytoskeletal intermediate filaments that are often used as indirect indices of tissue injury. The aim of the study was to clarify the age-rela...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：10.5603/FHC.a2018.0015
更新日期：2018-01-01 00:00:00
abstract：:Exposure to glucocorticoids (GCs) leads to numerous changes in various biological systems including the reproductive system. The aim of the present study was to find out whether dexamethasone (Dex), a widely used GC, would influence the apoptosis and expression of Bax, an important proapoptotic protein, in the mouse t...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：10.2478/v10042-009-0041-z
更新日期：2009-01-01 00:00:00
abstract：:Three proteinases from the azurophilic granules of horse leucocytes are typical elastases degrading elastin at neutral pH. Both proteinases: 1 and 2A exhibit similar elastinolytic activity, comparable with human leucocyte elastase (HLE). In relation to human enzyme, elastase 2B shows several-fold higher activity, whic...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：1986-01-01 00:00:00
abstract：:Cancer procoagulant activity in the blood serum of patients with oesophagal, gastric and colorectal cancer was evaluated before and after the tumour removal. Cancer procoagulant activity was significantly higher before the operation in comparison to the control group and was reduced after a total operative procedure, ...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：2001-01-01 00:00:00
abstract：:The effect of estradiol and progesterone on the noradrenaline (NA) content in nerve fibres of the oviduct, uterus and vagina was investigated in 37 ovariectomized sows, divided into 4 groups. A recovery period was 4 weeks. Starting from the 9th day before killing, the animals were injected 10 times (1 injection/day; t...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：1994-01-01 00:00:00
abstract：:Diplotene oocyte nucleus of the scorpionfly Panorpa communis is transcriptionally silent and contains numerous nuclear bodies including interchromatin granule clusters (IGCs). The latter consist of the granules of 30-50 nm in diameter and contain IGC marker protein SC35 as well as RNA polymerase II. In this study, we ...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：10.2478/v10042-009-0006-2
更新日期：2009-01-01 00:00:00
abstract：:Different established cell lines (SK-v human keratinocytes, B16F10 mouse melanoma, Muntjac fibroblasts, 3T3 mouse fibroblasts, CLV human fibroblasts) as well as primary cultures of mouse fibroblasts and giant cells were treated with N-benzyloxycarbonyl-Ile-Glu(O-t-butyl)-Ala-leucinal (proteasome inhibitor, PSI), a spe...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：1997-01-01 00:00:00
abstract：:The aim of our study was to investigate the dynamics of the alterations of soluble human leukocyte antigen-G (sHLA-G) concentrations in sera of healthy non-pregnant women, as well as healthy pregnant women and patients with pre-eclampsia. Thirty five patients with pre-eclampsia, 52 healthy pregnant women, and 24 healt...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：10.5603/fhc.2012.0023
更新日期：2012-07-05 00:00:00
abstract：:Combined (3H) estradiol autoradiography and oxytocin immunocytochemistry were used in order to study co-localization of cytoplasmic oxytocin immunoreactivity and nuclear uptake of (3H) estradiol in the forebrain of adult ovariectomized mice. Labelling with (3H) estradiol was found in subpopulations of neurons that con...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：1990-01-01 00:00:00
abstract：:The level of transglutaminase activity has been investigated by the fluorescence method in peritoneal macrophages of control and transplantable melanomas bearing hamsters. If the transglutaminase activity is concerned the macrophages in no one of the groups examined were a homogenous population. Differences in macroph...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：1991-01-01 00:00:00
abstract：:After dmPGE2 treatment, both alone or together with streptozotocin, the lower, statistically significant total PL contents (in mumoles P per mg of protein) in rat liver Golgi-rich membrane fractions were found. In these groups of investigated rats, the percentage of PE+PA were statistically significantly lower than in...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：1986-01-01 00:00:00
abstract：:The chemical basis of the histochemical method for acetylcholinesterase described by Tago et al. was studied. The primary histochemical reaction of Tago's method is performed with diluted Karnovsky's medium, resulting in the in situ formation of Karnovsky's precipitate in minute quantities. The visualization of acetyl...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：1998-01-01 00:00:00
abstract：:The influence of 48-h treatment with epoxomicin, an inhibitor of proteolytic activity of proteasomes, at the concentration 10 microM, on spermiogenesis in algae Chara vulgaris was examined. In the presence of the inhibitor, the frequency of early spermiogenesis phases significantly increased, the number of spermatids ...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：2003-01-01 00:00:00
abstract：:CD59 is one of the key molecules involved in cell protection against autologus complement. The fact that complement regulatory proteins are able to prevent hyperacute rejection of organs in pig to primate model, raises the question of possible complement regulatory protein (CRP) involvement in the maturation of immuno...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：2006-01-01 00:00:00
abstract：:We report the observations made on 101 healthy non-smoking men aged 21-40 (50 from two industrial suburbs of the big city of Antwerp and 51 from Peer, a predominantly rural municipality with 14,622 inhabitants, 70 km east of Antwerp, chosen as the "control" area in spite of its intensive agriculture). Persons with kno...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：2001-01-01 00:00:00
abstract：:The NADPH-diaphorase (NADPH-d) reaction is frequently used to visualize the diaphorase activity of nitric oxide synthase (NOS). However, this tetrazolium salt procedure can be of limited specificity at sites where non-specific alkaline phosphatase (alP) and NADHd activity co-exist. This is shown in the present paper u...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：1995-01-01 00:00:00
abstract：:Very suggestive evidence for possible role of beta-endorphin (BE) in immune activity has been continuously accumulated in the literature in spite of contradictory results about the involvement of the opiate system in immunological response. The reversed passive Arthus reaction (RPAR) was performed in the dorsal area o...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：1998-01-01 00:00:00
abstract：:The fibroblast growth factors (FGFs) are multifunctional proteins that, among other roles, regulate structural reorganization of uterine and placental vascular bed during pregnancy. Thus, we analyzed mRNA and protein expression and immunohistochemical localization of FGF-1 and FGF-2, and their receptors (FGFR-1 and FG...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：10.2478/v10042-010-0073-4
更新日期：2010-12-01 00:00:00
abstract：:Using immunohistochemistry and Western blot analysis we attempted to identify the estrogen receptors in ovine luteal cells at different stages of the estrous cycle. Monoclonal antibody against estrogen receptors was used for immunolocalization of estrogen receptor-alpha in corpora lutea sections. Generally, the most i...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：2000-01-01 00:00:00
abstract：:To investigate the expression of CD44 in colorectal cancer and examine its association with clinicopathological features, bcl-2, p53 and long-term outcome, paraffin-embedded tumour specimens from 61 patients with Dukes stage B (AJCC/UICC stage I) and 39 patients with Dukes stage C (AJCC/UICC stage III) colorectal aden...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：2005-01-01 00:00:00
abstract：:A comparison of the number of mRNA molecules of histone H3 in 1 microg total RNA extracted from colon sections sampled during colonoscopy was used to evaluate cellular proliferation activity in the rectum and sigmoid, in normal tissue and in colitis ulcerosa. Samples with similar intensity of the disease were selected...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：2001-01-01 00:00:00
abstract：:The increased ambient temperature affects the function of hypothalamic-pituitary-adrenal (HPA) axis. Since the correlation among vasopressin (VP), adrenocorticotropic hormone (ACTH) and corticosterone (CORT) responses to various stressors have been long recognized, the aim of this study was to reveal the aforementione...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：10.2478/v10042-010-0071-6
更新日期：2010-12-01 00:00:00
abstract：:We have investigated immunohistochemically the effect of dl-alpha-tocopherol (vitamin E) on thyroid gland with 6-n-propyl-2-thiouracil (PTU)-induced hypothyroidism in rats. The animals were divided into four groups. Rats in group I were designated as control, rats in group II were treated with injections of PTU (10 mg...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：
更新日期：2003-01-01 00:00:00
abstract：:In this study, the histological, immunohistochemical, morphometric, and biochemical changes to pancreatic beta-cells in STZ-induced diabetes were evaluated in rats treated with different doses of caffeine. Fifty adult male Wistar albino rats were divided into five groups: the nondiabetic control group, the diabetic un...
journal_title：Folia histochemica et cytobiologica
pub_type： 杂志文章
doi：10.5603/FHC.2014.0005
更新日期：2014-01-01 00:00:00
