Cytopathic effects and local immune responses in repeated neoadjuvant HSV-tk + ganciclovir gene therapy for prostate cancer

ObjectiveCytopathic effects and local immune response were analyzed histologically in prostatic carcinoma (PCa) with in situ herpes simplex virus-thymidine kinase (HSV-tk)/ganciclovir (GCV) gene therapy (GT). MethodsFour high-risk PCa patients who received HSV-tk/GCV GT were investigated. After two cycles of intraprostatic injection of HSV-tk and administration of GCV, radical prostatectomy was performed. Formalin-fixed, paraffin-embedded sections were evaluated using immunohistochemistry. PCa with hormone therapy (HT, n = 3) or without neoadjuvant therapy (NT, n = 4) that were equivalent in terms of risk were also examined as reference. Immunoreactively-positive cells were counted in at least three areas in cancer tissue. Labeling indices (LI) were calculated as percentage values. ResultsssDNA LI in GT increased, indicating apoptosis, as well as tumor-infiltrating lymphocytes and CD68-positive macrophages, compared with their biopsies. GT cases showed significantly higher numbers of ssDNA LI, CD4/CD8-positive T cells and CD68-positive macrophages including M1/M2 macrophages than HT or NT cases. However, there was no significant difference in CD20-positive B cells among the types of case. There were strong correlations between CD8+ T cells and CD68+ macrophages (ρ = 0.656, p < 0.0001) as well as CD4+ T cells and CD20+ B cells (ρ = 0.644, p < 0.0001) in PCa with GT. ConclusionsEnhanced cytopathic effect and local immune response were might be indicated in PCa patients with HSV-tk/GCV gene therapy.Cytopathic effects and local immune response were analyzed histologically in prostatic carcinoma (PCa) with in situ herpes simplex virus-thymidine kinase (HSV-tk)/ganciclovir (GCV) gene therapy (GT..

Two-photon excitable boron complex based on tridentate imidazo[1,5-a]pyridine ligand for heavy-atom-free mitochondria-targeted photodynamic therapy

We have synthesized a cyan fluorescent boron complex based on a tridentate imidazo[1,5-a]pyridine ligand. The boron complex was found to have potential applications as not only a chiroptical material but also a heavy-atom-free mitochondria-targeted photosensitizer for cancer treatment

Clinical Study Clinicopathological Factors Affecting Survival and Recurrence after Initial Hepatectomy in Non-B Non-C Hepatocellular Carcinoma Patients with Comparison to Hepatitis B or C Virus

We evaluated clinicopathological factors affecting survival and recurrence after initial hepatectomy in non-B non-C (NBNC) hepatocellular carcinoma (HCC) patients with comparison to hepatitis B or C virus, paying attention to relationship between alcohol consumption and histopathological findings. The medical records on the 201HCC patients who underwent initial hepatectomy between January 2000 and April 2013 were retrospectively reviewed. NBNC patients had higher prevalence of hypertension (47.4%), diabetes mellitus (35.5%), alcohol consumption (&gt;20 g/day) (61.8%), and preserved liver function than hepatitis B or C patients. The 5-year survival rate of NBNC patients (74.1%) was significantly better than hepatitis B (49.1%) or C (65.0%) patients (NBNC versus B, = 0.031). Among the NBNC patients, there was no relationship between alcohol consumption and clinicopathological findings including nonalcoholic fatty liver disease activity score (NAS). However, the 5-year OS and RFS rates in the alcoholunrelated NBNC patients tend to be better than in the alcohol-related. By multivariate analysis, independent factors for OS in NBNC patients were Child-Pugh B/C, intrahepatic metastasis (im), and extrahepatic recurrence. NBNC patients, who were highly associated with lifestyle-related disease and preserved liver function, had significantly better prognosis compared to hepatitis B/C patients; however, there was no association between alcohol consumption and histopathological findings

Becoming a kidney transplant citizen: kidney transplantation, race and biological citizenship

Thesis (M.A.) PLEASE NOTE: Boston University Libraries did not receive an Authorization To Manage form for this thesis or dissertation. It is therefore not openly accessible, though it may be available by request. If you are the author or principal advisor of this work and would like to request open access for it, please contact us at [email protected]. Thank you.I conducted a four-month ethnographic fieldwork study to document the stories of thirteen post-kidney-transplant minority patients and three nephrologists at Boston Medical Center. My research explores how patients’ interactions with health professionals, medical regimens, dialysis treatments, and adaptation to living with transplanted kidneys constantly shape their identities and perceptual worlds. Patients’ narratives highlighted the emotional struggles they encountered along the path of End-Stage Renal Disease, which unfolded as distinct experiences influenced by their varied backgrounds. The majority of my patient-participants lived on the verge of poverty, and in some cases, their insurance status caused delays in their being registered on the transplant waiting list, making them endure a long wait. Some patients were afraid of wearing short sleeves because they thought the scars on their arms from dialysis treatment would lead others to think they were gangsters. Instantiations of various theories emerged from the saturated data and narrative analysis, from Bourdieu’s concept of habitus with regard to the process of how patients alter their consciousness through interactions with medicine to Foucault’s ideas of power relations and technologies of the self that address the issues of agency and power that influence the formation of patients’ identities. The intersection of these theoretical frameworks led me to develop the critical medical anthropological-oriented concept of biological citizenship. This paper examines 1) the ways in which “race” interacts with the theoretical concept of biological citizenship and 2) the ways in which socioeconomic status and race tailor a kidney transplant patient’s illness experience, and related discourse.2031-01-0

Hypoglycemia after Mitral Valve Repair in Dogs

Hypoglycemia has not been previously reported as a postoperative complication of mitral valve repair (MVR) in dogs; however, the authors have encountered cases of hypoglycemia after MVR. This study aimed to determine the incidence of hypoglycemia in dogs after MVR and investigate its causes. Blood glucose levels were measured at multiple timepoints in dogs undergoing MVR. Simultaneously, insulin and glucagon blood concentrations in dogs with hypoglycemia preoperatively and postoperatively were compared to verify the physiological responses to hypoglycemia. Furthermore, risk factors for hypoglycemia, using variables selected based on the characteristics of MVR and dogs undergoing MVR, were examined prospectively. The incidence of hypoglycemia after MVR was 14.2%, and plasma glucagon concentrations increased in these dogs (mean: 260 pg/mL and 644 pg/mL pre- and postoperatively, p p = 0.002). Therefore, hyperinsulinemia or hypoglucagonemia is unlikely to be the cause of postoperative hypoglycemia. The identified risk factors for hypoglycemia included low body weight and asymptomatic myxomatous mitral valve disease. Monitoring blood glucose levels after MVR should be included in the standard hospitalization plan to prevent hypoglycemic emergencies in dogs

Approach to Fine-needle Aspiration Cytology-negative Cases of Breast Cancer

To clarify the clinical usefulness of fine-needle aspiration (FNA) cytology of breast tumours and the management of FNA cytology-negative cases suspected of or equivocal for malignancy. Methods: FNA cytology was performed in 94 patients between 1995 and 2002. We calculated the sensitivity, specificity and accuracy of FNA cytology for the diagnosis of malignancy. We also compared clinical and radiological findings between false-negative and true-negative cases. Results: The sensitivity of FNA was 91% (72/79), specificity was 93% (14/15), accuracy was 91% (86/94), positive predictive value was 99% (72/73) and negative predictive value was 67% (14/21). There were seven false-negative cases and one false-positive case. Findings that aroused suspicion of malignancy were more frequent in the false-negative cases, especially from mammography and magnetic resonance imaging (MRI). Conclusion: FNA cytology was an accurate preoperative diagnostic procedure for the evaluation of breast masses. In FNA cytology-negative cases, repeated FNA, core needle biopsy or excisional biopsy needs to be performed based on MRI findings

過少グラフトを用いた生体部分肝移植への挑戦と克服

application/pdfラット過少グラフト移植モデルにおいて,保存液に活性型プロテインCを添加すると肝細胞保護作用があり移植後の肝虚血再潅流障害を軽減することが明らかにされた.さらに脾摘は過小グラフト肝の肝障害を軽減させ,その機序として脾臓からの炎症細胞のmigrationの抑制が示唆された.臨床的には過小グラフトを克服するには門脈圧のコントロールが重要で,術前に脾臓容積とグラフト重量を計測することで脾摘の効果が予測できることが判明した.Small-for-size liver grafts are a serious obstacle for partial orthotopic liver transplantation. The results using a rat model suggest that a preservation solution containing APC is a potential novel and safe product for small-for-size liver transplantation, alleviating graft injury via anti-inflammatory and antiapoptotic effects and vasorelaxing conditions. Additionally, splenectomy before transplantation inhibited leukocyte infiltrations and pro-inflammatory cytokine synthesis which leads to hepatocellular apoptosis and impaired liver regeneration. Clinically, control of portal venous pressure immediately after living donor liver transplantation using small-for-size liver graft is very important, and preoperative assessment of the recipient's spleen volume and graft volume is very helpful to determine the necessity of splenectomy.平成21~23年度科学研究費補助金(基盤研究(C))研究成果報告書2159174