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Ope n Pe e r Re v ie w on Qe ios Ope nKeywords:
Prostate carcinoma
Meloxicam
Orchiectomy
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Objective:To explore the expression and significance of signal transducer and activator of transcription 3(STAT3) in prostate carcinoma tissues.Methods:The expression of STAT3 in 40 cases of prostate carcinoma tissues and 12 cases of normal prostate tissue was detected by immunohistochemical staining.Results:The positive rate of the expression of STAT3 in prostate carcinoma was 87.5%,and was significantly higher than 41.7% in the normal prostate tissue,there was a significant difference between two groups(P0.01).STAT3 expression levels were closely related to the pathological grade of prostate cancer.Conclusion:Compared with the normal prostate tissue,the expression level of STAT3 in prostate carcinoma is significantly higher.It suggests that the expression of STAT3 may be related to the risk and develop-ment of prostate carcinoma.
Prostate carcinoma
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Summary. The third case of a culturally and histologically proven candidosis of the prostate in the world literature available to us is reported. Autopsy of a 59‐year‐old man with metastasizing bronchial carcinoma as predisposing primary disease revealed a local candidosis of the prostate in the left lobe of the prostate, without evidence of a Candida sepsis. Parallel and different aspects in comparison with the other two cases are described. Zusammenfassung. Der dritte Fall in der Weltliteratur einer kulturell und histologisch gesi‐cherten Prostata‐Candidose wird beschrieben. Die Obduktion eines 59‐jährigen Mannes mit metastasierendem Bronchialcarcinom als prädis‐ponierende Grunderkrankung ergab eine lokale Prostata‐Candidose im linken Prostatalappen, ohne Hinweise für eine Candida‐Sepsis . Parallelen und Unterschiede zu den zwei weiteren Kasuisti‐ken werden dargestellt.
Prostate carcinoma
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Prostate carcinoma
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Surgical castration of male piglets is a common management practice conducted on commercial swine farms to prevent the occurrence of boar taint and aggressive behavior. However, the procedure of surgical castration causes acute pain-induced distress, which is an animal welfare concern. The objective of this study was to evaluate the use of two topical anesthetics to alleviate the pain caused by castration in piglets as measured by physiological and behavior indices of stress. At 3 days of age, 40 weight-matched piglets were allocated to one of four treatment groups. Treatments included: (i) sham castration (CON), (ii) surgical castration (CAS), (iii) castration and short-acting local anesthetic applied topically to the castration wound (SHORT) and (iv) castration and long-acting local anesthetic applied topically to the castration wound (LONG). Blood samples were collected from piglets before and 30, 60, 120 and 180 min after castration to measure leukocyte and differential counts and cortisol concentrations. The above experiment was repeated without blood collection and behavior was recorded for 30 min before and 180 min after castration or handling. Stress vocalizations were recorded during castration and handling. All piglets were weighed before and 24 h after castration and wound healing was recorded daily for the first 14 days after castration. Leukocyte counts and differentials did not differ (P > 0.05) among any of the treatments. Cortisol concentrations were elevated (P < 0.06) in CAS, SHORT and LONG piglets compared with controls 30 and 60 min after castration. The percentage of stress vocalizations was greater (P < 0.05) among castrated piglets compared with CON piglets, regardless of anesthetic treatment. Piglets that were castrated and not given a topical anesthetic spent more time (P < 0.05) lying without contact compared with piglets castrated and given a topical anesthetic, regardless of the topical anesthetic administered. Body weight change did not differ (P > 0.05) among treatments 24 h after castration or control handling and wound healing scores were greater (P < 0.05) in SHORT compared with CAS and LONG piglets 9 to 14 days after castration. In this study, the use of a short- or long-acting topical anesthetic was not effective in reducing the pain-induced distress caused by castration in piglets. Further research is needed to evaluate alternative practical methods to reduce the pain caused by the on-farm castration of piglets.
Orchiectomy
Boar taint
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Abstract This study investigated behavioral, physiological, and inflammatory responses, as well as leukocyte cytokine gene expression, of Korean cattle calves following surgical castration. Nineteen Korean cattle bull calves (average body weight, 254.5 kg; average age, 8.2 months) were assigned to one of two treatment groups: control (n = 9) and surgical castration (n = 10). Castration was performed surgically using Newberry knives and a Henderson castrating tool. Blood was collected immediately before castration and at 0.5 h, 6 h, 1 d, 3 d, 7 d, and 14 d after castration, and analyzed cortisol and substance P concentrations and leukocyte cytokine gene expression by quantitative real-time PCR. Behaviors were observed for 3 h, from 0.5 to 3.5 h after castration. Feed intake was recorded daily, and body weight was measured 1 d prior to the experiment and 14 d after castration. Castration decreased average daily gain (P = 0.005) and gain-to-feed ratio (P = 0.003). Castration reduced the time spent eating (P < 0.001) and the frequency of eating (P = 0.003) and increased (P < 0.001) the frequency of lying during the 3 h after castration. Castration temporarily increased circulating plasma cortisol (P < 0.001) and salivary cortisol concentrations (P = 0.03) at 0.5 h after castration. Castration temporarily increased (P < 0.05) plasma substance P concentration at 1 d after castration. Castration increased plasma haptoglobin concentration at 1 d and 3 d after castration. With regard to leukocytes, castration increased (P < 0.05) mRNA levels of inflammatory cytokine interleukin-1-beta and interleukin-1 receptor antagonist (IL1RA) genes at 6 h after castration, and increased (P < 0.05) IL1RA, interleukin-1-alpha, and interleukin-6 mRNA levels at 1 d after castration. In conclusion, castration of Korean cattle bull calves temporarily induced stress, retarded growth, and affected behaviors and inflammatory cytokine gene expression.
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Orchiectomy
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Conventional imaging techniques have serious limitations in the detection, staging, and restaging of prostate carcinoma. Anti-1-amino-3-(18)F-fluorocyclobutane-1-carboxylic acid (anti-(18)F-FACBC)is a synthetic l-leucine analog that has excellent in vitro uptake within the DU-145 prostate carcinoma cell line and orthotopically implanted prostate tumor in nude rats. There is little renal excretion compared with (18)F-FDG. The present study examines anti-(18)F-FACBC uptake in patients with newly diagnosed and recurrent prostate carcinoma.Fifteen patients with a recent diagnosis of prostate carcinoma (n = 9) or suspected recurrence (n = 6) underwent 65-min dynamic PET/CT of the pelvis after intravenous injection of 300-410 MBq anti-(18)F-FACBC followed by static body images. Each study was evaluated qualitatively and quantitatively. Maximum standardized uptake values were recorded in the prostate or prostate bed, and within lymph nodes at 4.5 min (early) and 20 min (delayed), and correlated with clinical, imaging and pathologic follow-up. Time-activity curves were also generated for benign and malignant tissue.In the 8 patients with newly diagnosed prostate carcinoma who underwent dynamic scanning, visual analysis correctly identified the presence or absence of focal neoplastic involvement in 40 of 48 prostate sextants. Pelvic nodal status correlated with anti-(18)F-FACBC findings in 7 of 9 patients and was indeterminate in 2 of 9. In all 4 patients in whom there was proven recurrence, visual analysis was successful in identifying disease (1 prostate bed, 3 extraprostatic). In 3 of these patients, (111)In-capromab-pendetide had no significant uptake at nodal and skeletal foci. Malignant lymph node uptake in both the staging and restaging patients was significantly higher than benign nodal uptake. Though uptake faded with time, in all 6 patients with either lymph node metastases or recurrent prostate bed carcinoma, there was intense persistent uptake at 65 min.Anti-(18)F-FACBC is a promising radiotracer for imaging prostate carcinoma. Radiotracer uptake was demonstrated in primary and metastatic disease. Future research should investigate the mechanism of radiotracer uptake in normal and pathologic tissue and develop a clinical imaging strategy for initial staging and restaging.
Prostate carcinoma
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Prostate carcinoma
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