RESUMO
OBJECTIVE: Mitochondrial open reading frame of the 12s ribosomal RNA type-c (MOTS-c) is a novel identified mitochondrial signal transmission peptide that plays an important role in glucose, amino acid and lipid metabolism. In this study, we aimed to investigate the relationship of circulating MOTS-c level with noninvasive scores of fibrosis and the components of metabolic syndrome (MetS) in patients with metabolic dysfunction-associated fatty liver disease (MAFLD). PATIENTS AND METHODS: This was a single-center cross-sectional study, and the participants were divided into two groups based on their liver ultrasound results: the fatty liver group and the healthy control group. The MOTS-c level was measured by the ELISA method. Non-alcoholic fatty liver disease fibrosis score (NFS) and fibrosis 4 (FIB-4) were used to determine the level of liver fibrosis. Statistical analyses were performed using Statistical Package for Social Science 15.0 package program. RESULTS: One hundred fifty patients (male, n=57) with MAFLD [median age 41.0 (14) years] and 84 healthy controls (male, n=34) [median age 36.0 (22) years] were included in this study. Patients with MAFLD had significantly lower MOTS-c levels than the healthy controls (p=0.009). The MOTS-c level was significantly lower in subjects with MetS (n=48) compared to those without MetS (n=186) (p=0.01). In the total population (n=234), MOTS-c levels negatively correlated with the presence of MAFLD, NFS, FIB-4, and components of MetS. CONCLUSIONS: Individuals diagnosed with MetS and MAFLD tend to have lower levels of MOTS-c. Additionally, these lower levels are inversely correlated with both the components of MetS and noninvasive fibrosis scores. MAFLD negatively correlated to the MetS components and noninvasive scores of fibrosis.
Assuntos
Síndrome Metabólica , Hepatopatia Gordurosa não Alcoólica , Humanos , Masculino , Adulto , Estudos Transversais , Cirrose Hepática , Metabolismo dos Lipídeos , AminoácidosRESUMO
OBJECTIVE: The aim of our study was to present our case series of the trial of labor after a caesarean (TOLAC) and determine significant predictors for a successful vaginal birth after a caesarean (VBAC). PATIENTS AND METHODS: Women with previous single caesarean deliveries who underwent TOLAC between January 2016-December 2019 were included in the study (n = 474). All files were analyzed in terms of demographic characteristics, obstetric history, history of index pregnancy and medical characteristics of previous caesarean delivery. For each current pregnancy, we recorded time from the previous delivery, the BISHOP and TOLAC scores at admission, induction of labor, gestational age at delivery, estimated fetal weight, intrapartum characteristics, mode of delivery and intra-operative findings. RESULTS: Among 474 women who had a previous caesarean delivery and gave consent for TOLAC, 216 resulted in a successful vaginal delivery, whereas 258 underwent repeat caesarean delivery. One hundred and seventy-nine women gave up trial of vaginal delivery during labor. The success rate of VBAC after exclusion of caesarean cases due to maternal requests was 73.2%. The induction rate was significantly higher in cases with successful VBAC (40% vs. 29.1%). The risk of uterine rupture was 0.42% in cases with labor induction. ROC analysis showed significant predictive values of the TOLAC score, body mass index (BMI), the number of previous VBACs and the number of previous vaginal deliveries, birth weight and the BISHOP score at admission. CONCLUSIONS: Our data showed us that major determinants for successful VBAC following labor are the BISHOP score at admission, number of previous vaginal deliveries, body mass index, birth weight and the TOLAC score calculated at admission.
Assuntos
Nascimento Vaginal Após Cesárea , Peso ao Nascer , Cesárea , Feminino , Humanos , Masculino , Gravidez , Estudos Retrospectivos , Prova de Trabalho de PartoRESUMO
OBJECTIVE: This study aimed to investigate in vitro fertilization (IVF) outcomes in women with hypogonadotropic hypogonadism (HH) and unexplained infertility and investigate factors affecting the pregnancy rate among HH patients. MATERIALS AND METHODS: This retrospective cohort study was conducted at Zeynep Kamil Maternity and Children's Diseases Training and Research Hospital, Turkey, a tertiary care referral center. The medical records of 143 women who underwent IVF treatment at this hospital between 2015 and 2020 were reviewed. Sixty-three had hypogonadotropic hypogonadism (HH) and 74 had unexplained infertility. Demographics, hormonal profile, IVF cycle characteristics, and pregnancy rates were recorded. The factors affecting the ongoing pregnancy rates were evaluated among HH patients. RESULTS: Anti-Mullerian hormone (AMH) levels were lower among women with HH compared to those with unexplained infertility (1.64±1.2 vs. 3.0±2.13). IVF cycle characteristics and ongoing pregnancy outcome (20.28% vs. 22.97%) were similar between the groups; however, the total dose of human menopausal gonadotrophin (HMG) used (5127.74±1845.8 vs. 2035.71±1387.45) was higher in the HH group. Increased estradiol level (2596.35±1085 vs. 1869.9±1203.4), endometrial thickness (10.82±1.74 vs. 8.43±2.33), higher number of total oocytes retrieved (12.14±4.34 vs. 8.43±5.44) were correlated with higher ongoing pregnancy rates among the HH group. CONCLUSIONS: IVF success rates were similar between the HH and unexplained infertility groups. Although AMH level was not a prognostic factor for IVF success, higher doses of HMG were needed to achieve pregnancy in the HH group. The factors affecting the ongoing pregnancy rates in the HH group were higher estradiol level, increased endometrial thickness, and a higher number of oocytes retrieved.
Assuntos
Fertilização in vitro , Hormônios/sangue , Hipogonadismo/sangue , Infertilidade Feminina/terapia , Adulto , Feminino , Humanos , Infertilidade Feminina/sangue , Gravidez , Estudos Retrospectivos , Resultado do TratamentoRESUMO
AIM: STATs and HIFs in human solid tumors play an important role in mechanisms of tumor growth. The aim of this study was to determine the prognostic role of STATs and HIFs in breast cancers. METHODS: Twentyfour breast carcinoma cases who underwent mastectomy and axillary dissection were included into the study. The presence of STATs and HIFs in 24 breast cancer cases was evaluated immunohistochemically. We evaluated the differences in tumor grade, diameter, limits, intratumor desmoplasia, inflammatory infiltration, necrosis, axillary lymph node involvement, estrogen, progesterone and CerbB2 staining. RESULTS: In this study, the presence of STATs and HIFs expressions in breast tumors is shown. In our study, no statistically significant correlation was found between tumor grade, diameter, limits, intratumor desmoplasia, inflammatory infiltration, necrosis, axillary lymph node involvement, CerbB2 staining status and STATs and HIFs expressions. However, STAT5a and estrogen staining and HIF2α and progesterone staining were found statistically significant. In addition, STAT3 expression was found to have significantly higher correlation with luminal breast cancer. CONCLUSIONS: The findings suggest that STATs and HIFs may play a role in the development of invasive ductal carcinomas; concerning their future use as treatment options due to their association with hormone receptors, new studies are required (Tab. 6, Fig. 7, Ref. 65).
Assuntos
Neoplasias da Mama , Carcinoma Ductal de Mama , Fator de Transcrição STAT3 , Neoplasias da Mama/diagnóstico , Neoplasias da Mama/genética , Neoplasias da Mama/cirurgia , Carcinoma Ductal de Mama/diagnóstico , Carcinoma Ductal de Mama/genética , Carcinoma Ductal de Mama/cirurgia , Humanos , Fator 1 Induzível por Hipóxia , Excisão de Linfonodo , Mastectomia , Prognóstico , Fator de Transcrição STAT3/metabolismoRESUMO
In this study, the concentrations of some heavy metals were determined in the muscle of Luciobarbus esocinus Heckel, 1843 and in water where they live. The results were evaluated in term of potential human risk of consumption of this fish and the relationship between the heavy metal load of fish and some of their biological aspects (weight, length and sex). In addition, the accumulation factor of heavy metals in the muscle of L. esocinus were also determined. The Cr, Pb and Ni were not found in detectable levels according to results obtained by ICP. Only Cu, Zn and Fe were detected. It was found that heavy metals concentrations in the muscle of L. esocinus were higher than that in the water. The concentration of heavy metals showed differences according to weight, length and sex of fish. The results were discussed and compared with tolerable values for heavy metals provided from the EPA, FAO and WHO in order to determine whether this fish species has any risk for human consumption.
Assuntos
Monitoramento Ambiental , Peixes/metabolismo , Metais Pesados/análise , Poluentes Químicos da Água/análise , Animais , Feminino , Produtos Pesqueiros/análise , Humanos , Masculino , Metais Pesados/metabolismo , Músculos , Poluentes Químicos da Água/metabolismoRESUMO
In this study, the accumulation of some heavy metals in spiny eel (Mastacembelus mastacembelus Banks and Solander, 1794) living in Karakaya Dam Lake was determined and human health risk of this fish when consumed as food was examined. For this purpose, the amounts of copper (Cu), chromium (Cr), cadmium(Cd), iron (Fe), zinc (Zn) in water samples and in the muscle tissues of the fishes were determined. The amounts of heavy metals showed differences in the muscle tissues of Mastacembelus mastacembelus according to weight, length, sex and age groups of fish. In conclusion the amounts of heavy metals in the flesh of spiny eels were found lower than that recommended by EPA, WHO, FAO and TFC.
Assuntos
Monitoramento Ambiental , Peixes/metabolismo , Metais Pesados/análise , Saúde Pública , Animais , Peso Corporal , Feminino , Geografia , Masculino , Músculos , Especificidade da Espécie , Turquia , Poluentes Químicos da Água/análiseRESUMO
BACKGROUND: In this study, starch and polycaprolactone (PCL), composite nanofibers were fabricated by co-axial needle electrospinning technique. Processing parameters such as polymer concentration, flow rate and voltage had a marked influence on the composite fiber diameter. Fourier transform infrared spectroscopy, scanning electron microscopy (SEM), mechanical and physical properties (such as density, viscosity and electrical conductivity) of the composite fibres were evaluated. Moreover, a cell culture test was performed in order to determine their cytotoxicity for wound dressing application. RESULTS: The effect of starch ratio in the solution on the properties and morphological structure of the fibers produced was presented. With lower starch concentration values, the fibers have greater ultimate tensile strength characteristic (mostly 4 and 5 wt%). According to SEM results, it can be figured out that the nanofibers fabricated have good spinnability and morphology. The mean diameter of the fibers is about 150 nm. According to results of cell culture study, the finding can be determined that the increase of starch in the fiber also increases the cell viability. CONCLUSIONS: Composite nanofibers of starch/PCL have been prepared using a co-axial needle electrospinning technique. PCL was successfully encapsulated within starch. Fiber formation was observed for different ratio of starch. With several test, analysis and measurement performed, some important parameters such as quality and effectuality of each fiber obtained for wound dressing applications were discussed in detail.
Assuntos
Materiais Biocompatíveis/química , Eletricidade , Nanofibras/química , Nanotecnologia , Poliésteres/química , Amido/química , Animais , Materiais Biocompatíveis/farmacologia , Sobrevivência Celular/efeitos dos fármacos , Condutividade Elétrica , Fenômenos Mecânicos , Camundongos , Células NIH 3T3 , Viscosidade , Cicatrização/efeitos dos fármacosRESUMO
This study was carried out to detect the concentrations of some heavy metals (copper, iron, zinc, cadmium and chromium) in the muscle of Capoeta trutta (Heckel, 1843) and in their surrounding water in order to study the potential human risk of consumption. The relationship between the heavy metal load of fish and some of their biological aspects (weight, length and sex) was also examined. In addition, the accumulation factors of heavy metals in this species were determined. The concentrations of Cu, Fe, Zn, Cd and Cr in water and muscle samples were analysed using ICP. Cu, Zn and Fe were detected in all samples, but Cd and Cr were not found in detectable levels. The results showed that heavy metals accumulation in muscle of fish was higher than that in the water. It was found that the level of heavy metals in the muscle of fish showed differences according to weight, length and sex of fish.
Assuntos
Monitoramento Ambiental , Peixes/metabolismo , Metais Pesados/análise , Músculos/metabolismo , Medição de Risco , Animais , Peso Corporal , Feminino , Peixes/anatomia & histologia , Geografia , Lagos/química , Masculino , Turquia , Poluentes Químicos da Água/análiseRESUMO
To evaluate the status of serum betatrophin levels and potential relations between metabolic parameters and betatrophin levels in patients with polycystic ovary syndrome. We included patients newly diagnosed with PCOS in our study. Fifty-seven female patients (30 patients with PCOS and 27 healthy control subjects) were enrolled in this study. Serum betatrophin levels were measured using a betatrophin enzyme-linked immunosorbent assay kit. Insulin resistance was calculated using the homeostasis model of the assessment-insulin resistance index formula. The betatrophin level was 1538,85 ng/L in the patient group and 2440,46 ng/L in the control group, and the difference was statistically significant (p=0.003). A significantly negative correlation was found between betatrophin level and insulin, HOMA-IR, and BMI. Betatrophin levels in patients with PCOS are lower than those without PCOS and inversely related to insulin resistance.
Assuntos
Hormônios Peptídicos/sangue , Síndrome do Ovário Policístico/sangue , Síndrome do Ovário Policístico/metabolismo , Proteína 8 Semelhante a Angiopoietina , Proteínas Semelhantes a Angiopoietina , Estudos de Casos e Controles , Demografia , Feminino , Humanos , Análise de Regressão , Adulto JovemRESUMO
Traditionally, the regulation of apoptosis has been thought of as an autonomous process in which the dying cell dictates its own demise. However, emerging studies in genetically tractable multicellular organisms, such as Caenorhabditis elegans and Drosophila, have revealed that death is often a communal event. Here, we review the current literature on non-autonomous mechanisms governing apoptosis in multiple cellular contexts. The importance of the cellular community in dictating the funeral arrangements of apoptotic cells has profound implications in development and disease.
Assuntos
Apoptose , Animais , Caenorhabditis elegans , Proteínas de Caenorhabditis elegans/metabolismo , Caspases/metabolismo , Drosophila , Proteínas de Drosophila/metabolismo , Humanos , Sistema de Sinalização das MAP Quinases , Proteínas de Membrana/metabolismoRESUMO
PURPOSE: The purpose of this study was to investigate whether any relationships exist between the presence of flatfoot and ultrasonographic morphometric findings of Achilles tendon in children. MATERIALS AND METHODS: The study included 30 pediatric patients with a mean age of 11.96±2.44 (SD) years (range: 9-16 years) with flexible flatfoot and 29 healthy pediatric controls who were matched for age and served as a control group. Demographic data of both groups such as age, height and weight, and anthropometric measurements including leg length and, length and cross-sectional area of the Achilles tendon on ultrasonography were tabulated. Relationships between the cross-sectional area of Achilles tendon and flatfoot and the other parameters were searched for using backward multiple regression analysis. RESULTS: No associations between flatfoot and length and cross-sectional area of the Achilles tendon, age, height, leg and foot length were found. A negative correlation was found between the cross-sectional area of Achilles tendon and presence of flatfoot (Beta=-4.93, P=0.01) and age (Beta=-1.96, P=0.04). A positive correlation was found between the cross-sectional area of Achilles tendon and shoe size (Beta=2.13, P=0.007). CONCLUSIONS: Flatfoot, shoe size, age and weight must be kept in mind as a clue for a thinner Achilles tendon morphometry which can be a risk factor in lower limb pathologies.
Assuntos
Tendão do Calcâneo/diagnóstico por imagem , Pé Chato/fisiopatologia , Tendão do Calcâneo/fisiopatologia , Adolescente , Estudos de Casos e Controles , Criança , Humanos , UltrassonografiaRESUMO
PURPOSE OF INVESTIGATION: To evaluate the effectiveness of elective cervical cerclage (CC) on the pregnancy outcome of patients with cervical insufficiency. MATERIAL AND METHODS: A retrospective cohort study was conducted on women with an obstetric history of cervical insufficiency on whom CC was applied or not. The two groups were compared for the main measure outcomes of mean gestational age at delivery, birth weight, Apgar scores at five minutes, number of premature and preterm deliveries, rate of preterm premature rupture of membranes, incidence of neonatal death, and admission to the neonatal intensive care unit (NICU). RESULTS: A total of 183 women were eligible for the final analysis in the CC group and 183 were taken as the control group. There were significant differences in terms of the mean gestational age at delivery (37 ± 4.0 vs. 34±5 weeks, p = 0.001), the mean birth weight (3,000 ± 870 vs. 2,200 ± 860 grams, p = 0.001), the number of preterm deliveries (< 37 weeks) (40% vs. 63%, p = 0.001, OR: 0.4, 95% CI: 0.26-0.61) between CC and control groups, respectively. Median Apgar scores at five minutes were 9 in CC group and 8 in the control group (p = 0.001) and the percentages of admission to NICU were 14% in CC group and 34% in the control group (p = 0.001, OR: 0.30, 95% CI: 0.17-0.52). CONCLUSION: The placement of elective CC seemed to be effective in patients with a history of mid-trimester abortion or preterm delivery due to cervical insufficiency.
Assuntos
Cerclagem Cervical , Procedimentos Cirúrgicos Eletivos , Incompetência do Colo do Útero/cirurgia , Adulto , Índice de Apgar , Peso ao Nascer , Feminino , Humanos , Recém-Nascido , Gravidez , Resultado da Gravidez , Nascimento Prematuro , Estudos RetrospectivosRESUMO
OBJECTIVE: Ureteral obstruction leads to permanent changes in the structure of the kidney by several mechanisms. In this study, it was hypothesized that there would be a protective effect of misoprostol against diclofenac in rats with unilateral ureteral obstruction (UUO). MATERIALS AND METHODS: Twenty-two female rats were randomized into 5 groups of 4 and 2 rats for the control group. The right ureter was sutured. The rats were grouped as control, contrast agent, contrast agent +N-acetylcysteine (NAC), diclofenac and diclofenac + misoprostol groups.Radiographic contrast agent was given iv on the 3rd day and other agents were administered orally for 1 week. The rats were sacrified after 1 week and histopathological and biochemical oxidative stress markers were evaluated. RESULTS: The contrast agent and NAC group had lower rates of hemorrhage, inflammation, obstructive dilatation and fatty degeneration compared to the contrast agent only group (p < 0.05). No differences were seen in the normal kidneys. Between all the groups, there was no difference for tubule epithelium damage (p > 0.05). The contrast agent and NAC group had higher rates of antioxidant SH level compared to the contrast agent only group (p < 0.05) and lower rates of oxidative end product carbonyl groups (p < 0.05). For normal kidneys no difference was seen. No statistical difference was seen in MDA levels (p > 0.05). Statistically no difference was seen between the diclofenac group and the diclofenac and misoprostol group neither pathologically nor chemically (p > 0.05). CONCLUSIONS: These results showed that NAC is protective against radiographic contrast agent toxicity when given before and after administration in obstructed kidneys as in previous data. Misoprostol was not observed to have any protective effect against diclofenac in obstructed kidneys.
Assuntos
Diclofenaco/efeitos adversos , Rim/efeitos dos fármacos , Misoprostol/uso terapêutico , Obstrução Ureteral/fisiopatologia , Administração Oral , Animais , Modelos Animais de Doenças , Feminino , Rim/patologia , Misoprostol/administração & dosagem , Ratos , Ratos WistarRESUMO
OBJECTIVE: The criterium defining the threshold size of adrenal incidentaloma (AI) is a size greater than 1 cm diameter. However, data concerning AI≤1 cm in diameter is scant. The aim of this study was to evaluate the function of adrenal masses≤1 cm and to compare them with adrenal masses>1 cm. MATERIALS AND METHODS: The study included 130 consecutive patients with AI (38 and 92 AI at ≤ 1 cm and > 1 cm, respectively). The patients were evaluated according to demographic and hormonal characteristics. RESULTS: The prevalence of SCS was 5.3 and 12% in AI≤1 cm and > 1 cm diameter, respectively. Hyperaldosteronism was found only in patients with > 1 cm AI. Pheochromocytoma were not found in either group. Patients with > 1 cm AI had a higher prevalence of SCS and primary hyperaldosteronism than patients with ≤ 1 cm AI, but the difference was not significant. The prevalence of diabetes and hypertension was high both in non-functional AI with ≤ 1 cm and > 1 cm patients and showed no significant difference between the 2 groups. CONCLUSION: Our study is the first to focus on the clinical and hormonal characteristics of patients with ≤ 1 cm AI. Those with AI≤1 cm harboured SCS, as was the case for AI>1 cm. Similar to AI>1 cm, non-functional AI≤1 cm also had a higher prevalence of diabetes and hypertension.
Assuntos
Neoplasias das Glândulas Suprarrenais , Diabetes Mellitus , Hiperaldosteronismo , Neoplasias das Glândulas Suprarrenais/sangue , Neoplasias das Glândulas Suprarrenais/diagnóstico por imagem , Neoplasias das Glândulas Suprarrenais/epidemiologia , Adulto , Idoso , Diabetes Mellitus/sangue , Diabetes Mellitus/diagnóstico por imagem , Diabetes Mellitus/epidemiologia , Feminino , Humanos , Hiperaldosteronismo/sangue , Hiperaldosteronismo/diagnóstico por imagem , Hiperaldosteronismo/epidemiologia , Masculino , Pessoa de Meia-Idade , Prevalência , RadiografiaRESUMO
OBJECTIVE: To investigate the correlation between insulin resistance (IR) and serum 25-OH-Vit D concentrations and hormonal parameters in lean women with polycystic ovary syndrome (PCOS). PATIENTS AND METHODS: 50 lean women with PCOS and 40 body mass index (BMI) matched controls were compared in terms of fasting insulin and glucose, homeostatic model assessment insulin resistance (HOMA-IR), 25-OH-Vit D, high sensitivity C-reactive protein (hs-CRP), luteinizing hormone (LH), follicle-stimulating hormone (FSH), total testosterone, dehydroepiandrosterone sulfate (DHEA-S), total cholesterol, high density lipoprotein (HDL), low density lipoprotein (LDL), triglycerides and Ferriman-Gallway (FG) scores. Correlation analyses were performed between HOMA-IR and metabolic and endocrine parameters. RESULTS: 30% of patients with PCOS demonstrated IR. Levels of 25-OH-Vit D, hsCRP, cholesterol, HDL, LDL, triglyceride and fasting glucose did not differ between the study and control groups. Fasting insulin, HOMA-IR, LH, total testosterone, and DHEA-S levels were higher in PCOS group. HOMA-IR was found to correlate with hs-CRP and total testosterone but not with 25-OH-Vit D levels in lean patients with PCOS. CONCLUSIONS: An association between 25-OH-Vit D levels and IR is not evident in lean women with PCOS. hs-CRP levels do not indicate to an increased risk of cardiovascular disease in this population of patients. Because a strong association between hyperinsulinemia and hyperandrogenism exists in lean women with PCOS, it is advisable for this population of patients to be screened for metabolic disturbances, especially in whom chronic anovulation and hyperandrogenism are observed together.
Assuntos
Resistência à Insulina/fisiologia , Fator Intrínseco/sangue , Síndrome do Ovário Policístico/sangue , Magreza/sangue , Deficiência de Vitamina D/sangue , Vitamina D/sangue , Adulto , Biomarcadores/sangue , Índice de Massa Corporal , Feminino , Humanos , Insulina/sangue , Síndrome do Ovário Policístico/diagnóstico , Testosterona/sangue , Magreza/diagnóstico , Deficiência de Vitamina D/diagnósticoRESUMO
AIM: The aim of this study was to determine plasma Growth Arrest Specific Protein 6 (GAS6) protein levels in patients with unexplained recurrent pregnancy loss (RPL) and compare them to those of pregnant and to healthy non-pregnant women with a history of at least one live delivery. PATIENTS AND METHODS: A total of 205 women were included in the study. Of these, 68 were diagnosed with unexplained RPL and were not pregnant at the time of the study. The second group consisted of 67 pregnant women in the third trimester of pregnancy. The third group constituted the control group of 70 healthy non-pregnant women who had at least one live birth. Plasma levels of GAS6 protein were measured by ELISA. RESULTS: Mean plasma GAS6 levels were found to be different between RPL group and healthy non-pregnant women (12.17 ± 4.39 µg/L and 9.18 ± 4.65, respectively, p = 0.0013). Although it was not statistically significant, plasma levels of GAS6 in the third trimester pregnant group (10.65 ± 3.74 µg/L) were found to be slightly higher than non-pregnant controls, and slightly lower than RPL group. In comparison of those with 2 or more than 2 pregnancy losses in the RPL group, there was no difference between these two subgroups in terms of GAS6 levels (12.39 ± 4.27 µg/L and 11.83 ± 4.63 µg/L, respectively, p = 0.62). CONCLUSIONS: Our findings revealed that plasma GAS6 levels were increased in patients with RPL. The prothombotic and proinflammatory nature of the GAS 6 protein makes it a likely culprit involved in the pathologic process in patients with RPL. Further studies are warranted to determine the possible role of GAS6 protein in the pathophysiology of idiopathic RPL.
Assuntos
Aborto Habitual/sangue , Peptídeos e Proteínas de Sinalização Intercelular/sangue , Aborto Habitual/epidemiologia , Adulto , Feminino , Humanos , Gravidez , Turquia/epidemiologia , Adulto JovemRESUMO
We aimed to describe clinical and diagnostic features of vertebral osteomyelitis for differential diagnosis and treatment. This is a prospective observational study performed between 2002 and 2012 in Ankara Numune Education and Research Hospital in Ankara, Turkey. All the patients with vertebral osteomyelitis were followed for from 6 months to 3 years. In total, 214 patients were included in the study, 113 out of 214 (53%) were female. Out of 214 patients, 96 (45%) had brucellar vertebral osteomyelitis (BVO), 63 (29%) had tuberculous vertebral osteomyelitis (TVO), and 55 (26%) had pyogenic vertebral osteomyelitis (PVO). Mean number of days between onset of symptoms and establishment of diagnosis was greater with the patients with TVO (266 days) than BVO (115 days) or PVO (151 days, p <0.001). In blood cultures, Brucella spp. were isolated from 35 of 96 BVO patients (35%). Among 55 PVO patients, the aetiological agent was isolated in 11 (20%) patients. For tuberculin skin test >15 mm, sensitivity was 0.66, specificity was 0.97, positive predictive value was 0.89, negative predictive value was 0.88, and receiver operating characteristics area was 0.8. Tuberculous and brucellar vertebral osteomyelitis remained the leading causes of vertebral osteomyelitis with delayed diagnosis. In differential diagnosis of vertebral osteomyelitis, consumption of unpasteurized cheese, dealing with husbandry, sweating, arthralgia, hepatomegaly, elevated alanine transaminase, and lumbar involvement in magnetic resonance imaging were found to be predictors of BVO, thoracic involvement in magnetic resonance imaging and tuberculin skin test > 15 mm were found to be predictors of TVO, and history of spinal surgery and leucocytosis were found to be predictors of PVO.
Assuntos
Osteomielite/diagnóstico , Osteomielite/patologia , Coluna Vertebral/patologia , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Brucella/classificação , Brucella/isolamento & purificação , Brucelose/sangue , Brucelose/diagnóstico , Diagnóstico Diferencial , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Mycobacterium tuberculosis/classificação , Mycobacterium tuberculosis/isolamento & purificação , Osteomielite/sangue , Osteomielite/microbiologia , Estudos Prospectivos , Fatores de Risco , Coluna Vertebral/microbiologia , Tuberculose Osteoarticular/sangue , Tuberculose Osteoarticular/diagnóstico , Tuberculose Osteoarticular/microbiologia , Tuberculose Osteoarticular/patologia , Turquia , Adulto JovemRESUMO
OBJECTIVES: Clinical and experimental observations reveal the exact role of vitamin D in prostate cancer. Yet, a complete understanding of the issue necessitates the evaluation of the exquisite mechanisms that involve full actors of the calcium homeostasis in relation. BACKGROUND: Besides the role of vitamin D, parathyroid hormone (PTH) is now understood to be a mitogen for prostate cancer cells, and calcium has already been known for such role. The interplay between renin-angiotensin-aldosterone system effector hormones and calcium homeostasis attracts attention in recent studies. METHODS: Twenty five patients with prostate cancer (median age 66 (62-67) years) who had presented at the Urology Outpatient Clinic were prospectively included in the study. Also, 30 volunteer controls (median age 63 (60-70) years) were enrolled for comparison. Serum total PSA, intact PTH, calcium, aldosterone and 25-hydroxy vitamin D levels were detected in a selected group of patients with prostate cancer. RESULTS: The vitamin D levels were lower in PCa patients in line with some of the previous studies, supporting the role of vitamin D in prostate cancer. We also observed a positive correlation between PTH and PSA both in PCa patients and the controls. CONCLUSION: Our findings indicate that like age and race, PSA is associated with PTH. The role of PTH, as a master of calcium homeostasis, seems to be neglected in prostate carcinogenesis, concerning a very few number of studies pertaining to the subject in the literature (Tab. 2, Fig. 2, Ref. 19).
Assuntos
Hormônio Paratireóideo/sangue , Antígeno Prostático Específico/sangue , Neoplasias da Próstata/sangue , Idoso , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Neoplasias da Próstata/fisiopatologia , Vitamina D/sangue , Vitamina D/fisiologiaAssuntos
Stents/efeitos adversos , Ureter/lesões , Idoso , Feminino , Humanos , Tomografia Computadorizada por Raios XRESUMO
INTRODUCTION: Although physiopathology of acute pancreatitis (AP) is not fully understood, the roles of reactive oxygen species (ROS) and changes of cytokines have been determined. AIM: To investigate anti-inflammatory and anti-oxidant effects of glycyrrhizin (GL) on taurocholate-induced AP in rats. MATERIALS AND METHODS: Thirty six rats were randomly divided into three groups as sham, AP and AP+GL (n=12 per group). AP was induced by 1 ml/kg body weight using 5% taurocholate injection into the biliopancreatic duct in groups II and III after clamping the hepatic duct. In groups III, GL (20 mg/kg) was given by oral gavage twice daily for 4 days. Group I and II did not receive any treatment. After the rats were killed; blood samples were taken to measure amylase, lipase, calcium, albumin, urea, glucose, AST and LDH assays before killing. Pancreatic tissue samples were also taken for biochemical analyses and histopathology. RESULTS: Amylase, lipase, AST and urea levels were significantly lower in the AP+GL group than in the AP group. Cytokines including IL-6, TNF-α and MPO levels were significantly lower in the AP+GL group than in the AP group. Even so there is no statistically difference between in the AP+GL group and the AP group in terms of pancreatic tissue IL-1ß, IL-6 and TNF-α levels. DISCUSSION: GL treatment significantly decreased pancreatic tissue MPO activities and MDA levels in the AP+GL group compared with the other groups (p = 0.001 and p = 0.05, respectively). Acinar cell necrosis, hemorrhage, and edema determined that were significantly lower in the AP+GL group than in the AP group (p < 0.001). CONCLUSIONS: GL treatment for acute necrotizing pancreatitis in rats suppressed the levels of pro-inflammatory cytokines, and caused a clear recovery of histological changes.