A case of Leishmania infection with focal splanchnic involvement without systemic symptoms: a potential anti-inflammatory role for vitamin D.

CASE REPORT: We report the case of a 59 year-old woman with persistent nausea, hyporexia, fatigue and mild abdominal discomfort. The patient was hospitalized upon suspicion of malignancy due to multiple hepatic and splenic nodules found on an abdominal ultrasound. Hypercalcemia emerged at initial diagnostic workup, which was considered secondary to iatrogenic vitamin D intoxication. After an adequate management of hypercalcemia and normalization of serum calcium level, all symptoms presented by the patient completely regressed. In order to characterize splanchnic lesions, several biochemistry, microbiology and radiological tests were performed, including two bioptic specimens of a focal hepatic lesion. Eventually, a diagnosis of leishmanial infection was made. The patient started a specific anti-leishmanial treatment, and the focal hepatic and splenic lesions progressively disappeared. CONCLUSION: To our knowledge, this is the first reported case of asymptomatic leishmanial infection with a widespread focal splanchnic involvement. The anti-inflammatory effect of vitamin D could be related to this atypical presentation of visceral leishmaniasis without systemic symptoms.

Detection of human cytomegalovirus in synovial neutrophils obtained from patients with rheumatoid arthritis.

Objectives: To examine whether signs of an active human cytomegalovirus (HCMV) infection are present in affected joints of patients with rheumatoid arthritis (RA).Method: Polymorphonuclear leucocytes (PMNLs) were obtained from synovial fluid (SF) of 17 RA patients and were analysed for HCMV-pp65 and HCMV-immediate early (IE) proteins using the antigenemia assay. Peripheral blood (PB) and SF obtained from these 17 patients and from 17 additional RA patients (n = 34) were tested for HCMV-IE and pp150 DNA with Taqman polymerase chain reaction. Plasma samples from the patients were analysed for HCMV-immunoglobulin M (IgM) and immunoglobulin G (IgG) by enzyme-linked immunosorbent assay and compared to 71 healthy gender-matched blood donors.Results: HCMV-pp65 protein was detected in 65% of synovial PMNL samples, but in only 18% of PMNLs from PB. In contrast, HCMV IE protein was not found in any of the analysed PMNL samples. On the DNA level, HCMV-IE and pp150 DNA was detected in SF of 13/32 (41%) and 14/23 (61%) of RA patients, respectively. HCMV-IE and pp150 DNA was also found in 24/33 (73%) and in 16/24 (67%) of PB samples obtained from RA patients, respectively. HCMV IgG seroprevalence was 76% in RA patients as well as in healthy controls, while only one RA patient was positive for specific IgM.Conclusions: HCMV pp65 antigen was found in PMNLs from SF of RA patients, indicating an active infection in the affected joint. Future studies are needed to determine whether HCMV infection can aggravate the inflammatory process in these patients.

The ANT Home Care Model in Palliative and End-of-Life Care. An Investigation on Family Caregivers' Satisfaction with the Services Provided.

The World Health Organization plan for a Decade of Healthy Ageing 2020-2030 has established some priorities in the field of palliative and end-of-life care. It states that "people require non-discriminatory access to good-quality palliative and end-of-life care" and recommends the "implementation of strategies for the provision of information, training, respite and support for informal caregivers". The priorities described are in line with the home care services that National Tumor Assistance (ANT) Foundation has been providing in Italy. This 5-years investigation was designed to measure caregivers' satisfaction and determine what types of support services are associated with greater satisfaction. 5.441 family caregivers filled out autonomously a 6-item questionnaire at the end of home care assistance, focusing on the level of satisfaction with the social and health services received. The overall data indicate a high satisfaction rate for the home care assistance received. In particular, participants rate positively the assistance provided by healthcare professionals (physicians, nurses and psychologists). The most appreciated aspects of assistance are those ensuring a global management of patients and their families, whereas an area of deficiency emerged was the continuity of care, suggesting the importance to implement the networks between the health care facilities and home care services. The present investigation constitutes a mean to highlight the aspects associated with greater satisfaction and the ones perceived as less satisfactory by caregivers. Moreover, this research constitutes a crucial instrument to improve home care assistance provided by ANT ensuring the best quality of life for both patients and their families.

Caregivers in home palliative care: gender, psychological aspects, and patient's functional status as main predictors for their quality of life.

PURPOSE: This study aims to investigate the impact of possible predictors of quality of life (QoL) in a group of Italian caregivers assisting a cancer patient in home palliative care. METHODS: Data from 570 adult informal caregivers and their cancer-affected relatives were collected. A multivariate regression analysis was conducted to assess the effect of three groups of variables on Caregivers Quality of Life Index-Cancer (CQOLC) scale: (a) socio-demographic characteristics of caregivers; (b) psychological characteristics of caregivers assessed by Profile Mood of States (POMS), Caregiver Burden Inventory (CBI), and Preparedness for Caregiving Scale (PCS); (c) Socio-demographic characteristics and functional status of the patients assessed by Karnofsky Performance Status (KPS), Activities of Daily Living (ADL), and Instrumental Activities of Daily Living (IADL). RESULTS: Regression analysis shows that some variables from each of these clusters are significantly associated with CQOLC, in particular: (a) the gender of the caregiver (st.ß = .115, t = 2.765, p = .006) and the time spent for caregiving (st.ß = - .165, t = - 3.960, p < .001); (b) the scores obtained by the caregivers in POMS,CBI (st.ß = - .523, t = - 16.984, p < .001 and st.ß = - .373, t = - 12.950, p < .001, respectively) and PCS (st.ß = .092, t = 3.672, p < .001); (c) the gender (st.ß = - .081, t = - 1.933, p = .045) and the IADL score (st.ß = .195, t = 4.643, p < .001) of the patient. CONCLUSIONS: A multidimensional evaluation is a key strategy to identify the most vulnerable caregivers. Apart from the condition of the patient, the gender of the caregivers, the time spent for caregiving and, above all, their psychological condition are strong predictors of caregivers' QoL.

Care for Carers: an Investigation on Family Caregivers' Needs, Tasks, and Experiences.

Family caregivers have an essential active role in cancer patients assistance at home. They play a key role in the management of patients and provide some caregiving activities once provided only by professional caregivers. Often they are not adequately trained or prepared, however a systematic assessment of their needs is rarely practiced. For these reasons, this preliminary investigation was designed to better identify the needs and changes in the lifestyles of family caregivers of home cancer palliative care. Participants have completed a battery of self-report questionnaires, including the Caregiving Tasks Consequences and Needs Questionnaire (CaTCoN), that measures caregivers' experiences (the extent of cancer caregiving tasks and consequences) and the caregivers' needs, mainly concerning the interaction with the health care professionals. The results confirmed that cancer caregiving is burdensome. Large proportions of caregivers experienced substantial caregiving workload as well as a range of negative consequences, e.g. lack of time for social relations. Furthermore, considerable proportions of caregivers experienced problems or had unmet needs regarding the interaction with health care professionals. Prominent problematic aspects included the provision of enough information to the caregivers and attention to the caregivers' well-being and feelings. The assessment of caregivers' needs is a critical step for determining appropriate support services, providing high-quality care, achieving caregiver satisfaction, and decreasing caregiver burden. Findings of this investigation will certainly contribute to develop and publish Guidelines and to provide programmes and on-going education where caregivers feel supported in their role.

Evaluation of synthetic substituted 1,2-dioxanes as novel agents against human leishmaniasis.

The treatment of human leishmaniasis is currently based on few compounds that are highly toxic, expensive and have a high rate of treatment failure. A number of recent studies on new drugs focuses on natural or semi-synthetic compounds. Among them, the endoperoxide artemisinin, extracted from Artemisia annua, and some of its derivatives have shown leishmanicidal activity. In the present work, a series of structurally simple, fully synthetic 1,2-dioxanes were evaluated for in vitro antileishmanial activity against promastigotes of Leishmania donovani; the cytotoxicity for mammalian cells was also assessed. The six most promising compounds in terms of activity and selectivity were further investigated for their antileishmanial activity on the promastigote forms of L. tropica, L. major and L. infantum and against L. donovani amastigotes. The good performance in terms of potency and selectivity makes these six hits promising candidates for a preliminary lead optimization as antileishmanial agents.

New evidence of cutaneous leishmaniasis in north-eastern Italy.

BACKGROUND: Human leishmaniasis is on increase in the Mediterranean Europe. However, the exact prevalence of cutaneous leishmaniasis (CL) is largely unknown as underdiagnosis and under reporting are common. OBJECTIVE: To evaluate epidemiological, clinicopathological and microbiological aspects of CL cases occurring in the Bologna Province, north-eastern Italy. METHODS: We performed a retrospective, observational study on CL cases diagnosed in the Bologna Province between January 2013 and December 2015. RESULTS: During 2013-2015, 30 cases of CL were identified in the Bologna Province with an average incidence of 1.00/100 000, with an increase of fourfold to 12-fold as compared to previous years. 16 of 30 (53%) CL cases presented as single, typical lesions. CL diagnosis was carried out by histological and molecular techniques, although in 7 of 29 (24%) PCR-positive cases, amastigotes were not visible on histology. CONCLUSIONS: We report new evidence of CL cases in a focal area of north-eastern Italy in 2013-2015. Our study highlights the importance of CL surveillance in the Mediterranean basin and emphasizes the need for the molecular laboratory surveillance of CL in endemic areas.

Spiritual well-being of Italian advanced cancer patients in the home palliative care setting.

This study evaluates the spiritual well-being (SpWB) in very advanced cancer patients assisted by the home palliative care program of ANT Foundation, a no-profit Italian organisation. SpWB was assessed by the Functional Assessment of Chronic Illness Therapy-Spiritual Well-Being Scale (FACIT-Sp12), including Meaning, Peace, and Faith subscales. The quality-of-life (QoL) was evaluated by using the Functional Assessment of Cancer Therapy-General scale. Questionnaires were distributed to 1,055 patients and 683 were compiled and evaluable for analysis. The mean scores of FACIT-Sp12 as well as of QoL were notably lower than reference values for cancer survivors. The FACIT-Sp12 score was higher in patients with less impaired Karnofsky Performance Status, fully participating in religious rituals and living in central Italy. A high Pearson's correlation was found between QoL and FACIT-Sp12 (r = .60), Peace (r = .71) and Meaning (r = .52), while it was marginal for Faith (r = .27). The hierarchical regression analysis showed that FACIT-Sp12 is a significant predictor of QoL. The study suggests that Italian patients with advanced cancer assisted by expert multi-professional teams in the home palliative care setting have a low level of SpWB thereby highlighting the need for the integration of spiritual support as part of comprehensive cancer care.

Characterization of antibody response in neuroinvasive infection caused by Toscana virus.

OBJECTIVES: Among sandfly-borne pathogens, Toscana virus (TOSV) is a prominent cause of summer meningitis in Mediterranean Europe. Here, we assessed the kinetics of anti-TOSV antibodies over time in 41 patients diagnosed with TOSV meningitis or meningoencephalitis in northeastern Italy. METHODS: Acute and follow-up serum samples were collected up to 20 months after diagnosis of TOSV infection and tested for the presence of specific antibody using immunoenzymatic and indirect immunofluorescence assays. In addition, maturation of anti-TOSV IgG over time was evaluated as well as production of neutralizing antibodies. RESULTS: Specific IgM and IgG response was present at diagnosis in 100% of patients; TOSV-specific IgM and IgG were detected in patients' sera up to 6 and 20 months after diagnosis, respectively. The avidity index (AI) increased over the first month after infection in 100% of patients and most cases exceeded 60% by Day 30 post infection. The AI subsequently plateaued then declined at 20 months after diagnosis. Finally, neutralization assay to TOSV was performed in 217 sera collected from 41 patients; 69.6% of tested samples resulted in reactive and moderate levels of neutralizing antibodies observed during all phases of infection despite high titres of total anti-TOSV IgG. CONCLUSIONS: Specific antibody response develops rapidly and is long-lasting for neuroinvasive TOSV infection. Serodiagnosis of neuroinvasive TOSV requires simultaneous detection of specific IgM and IgG. Moderate levels of neutralizing antibodies were maintained over the study period, while the protective role of antibodies lacking neutralizing activity is unclear and requires further evaluation.

Human and entomological surveillance of Toscana virus in the Emilia-Romagna region, Italy, 2010 to 2012.

Toscana virus (TOSV), transmitted by phlebotomine sandflies, is recognised as one of the most important causes of viral meningitis in summer in Mediterranean countries. A surveillance plan based on both human and entomological surveys was started in 2010 in the Emilia-Romagna region, Italy. Clinical samples from patients with neurological manifestations were collected during 2010 to 2012. The surveillance protocol was improved during these years, allowing the detection of 65 human infections. Most of these infections were recorded in hilly areas, where sandflies reach the highest density. Entomological sampling around the homes of the patients resulted in a low number of captured sandflies, while later sampling in a hilly area with high number of human cases (n=21) resulted in a larger number of captured sandflies. Using this approach, 25,653 sandflies were sampled, of which there were 21,157 females, which were sorted into 287 pools. TOSV RNA was detected by real-time PCR in 33 of the pools. The results highlighted the role of Phlebotomus perfiliewi as the main vector of TOSV and a potential link between vector density and virus circulation. This integrated system shows that an interdisciplinary approach improves the sensitiveness and effectiveness of health surveillance.

A model of laboratory surveillance for neuro-arbovirosis applied during 2012 in the Emilia-Romagna region, Italy.

Arboviruses with neuroinvasive potential are gaining more attention due to the increased number of cases of autochthonous and imported infections in the human host. Diagnosis of infection caused by these viruses in patients with central nervous system (CNS) diseases is still underestimated and these infections represent an emerging threat to public health. We describe a model suitable for the laboratory surveillance of neuro-arbovirosis that was applied in the Emilia-Romagna region, north-eastern Italy, during the 2012 summer season. One hundred and twenty cases of suspected neuroinvasive infection were tested for arboviral agents on the basis of clinical and laboratory signs and epidemiological data. The most common virus detected was Toscana virus (TOSV): anti-TOSV specific antibodies or viral components were detected in 28.3% of the cases; 79.4% of the TOSV cases were in the acute phase of infection. No cases resulted in acute phase for West Nile (WNV), Usutu (USUV), Chikungunya (CHIKV) or Dengue (DENV) virus infection. Conversely, two patients with a history of staying in a tick-borne encephalitis virus (TBEV) endemic area showed a probable TBEV infection. These results emphasize the importance of a complete and 'ready to act' laboratory diagnostic system to be implemented within the larger frame of a regional integrated surveillance system.

Ongoing outbreak of visceral leishmaniasis in Bologna Province, Italy, November 2012 to May 2013.

An increased number of autochthonous visceral leishmaniasis (VL) cases has recently been reported in Bologna Province in northern Italy. Over six months from November 2012 to May 2013, 14 cases occurred, whereas the average number of cases per year was 2.6 (range: 0-8) in 2008 to 2012. VL was diagnosed in a median of 40 days (range: 15-120) from disease onset. This delay in diagnosis shows the need for heightened awareness of clinicians for autochthonous VL in Europe.

West Nile virus in Europe: emergence, epidemiology, diagnosis, treatment, and prevention.

West Nile virus (WNV), a mosquito-borne flavivirus in the Japanese encephalitis antigenic group, has caused sporadic outbreaks in humans, horses and birds throughout many of the warmer regions of Europe for at least 20 years. Occasional cases of West Nile encephalitis have also been associated with infected blood transfusions and organ donations. Currently, WNV appears to be expanding its geographical range in Europe and causing increasing numbers of epidemics/outbreaks associated with human morbidity and mortality. This brief review reports on the current epidemic situation regarding WNV in Europe, highlighting the clinical, diagnostic and preventive measures available for controlling this apparently emerging human pathogen.

Imported cases of dengue virus infection: Emilia-Romagna, Italy, 2010.

Dengue is a significant mosquito-borne infection in humans, and its worldwide prevalence is rapidly increasing. In 2010, 83 serum samples from febrile travellers returning from dengue-endemic countries to a region in north-eastern Italy, densely infested with Aedes albopictus, were analysed for dengue virus (DENV). DENV RNA was detected in 20.5% of patients. By RT-PCR, DENV serotypes 1 and 3 were the most common. DENV must be identified early in symptomatic travellers returning from high-risk countries, to prevent outbreaks where potential vectors exist.

Male reproductive phenotypes in double mutant mice lacking both FSHbeta and activin receptor IIA.

Activins are known to signal through two serine/threonine kinase type II receptors. Activin receptor IIA is widely expressed in the male reproductive axis, including the pituitary and testis. Our previous studies using gene knockout mice have confirmed the essential in vivo role of activin receptor IIA in FSH homeostasis. Activin receptor IIA-null male mice are fertile, have suppressed pituitary and serum FSH levels, and demonstrate a decrease in testis size as a result of reduced Sertoli cells and germ cells. Similarly, FSHbeta null male mice are fertile despite reduced testis size and Sertoli cell number. To define the direct roles of activin receptor IIA signaling locally in the testis, independent of its effects on FSH homeostasis, we generated double mutant mice lacking both activin receptor IIA and FSH by a genetic intercross and analyzed the male reproductive phenotypes. The double mutant male mice lacking both FSH and activin receptor IIA are fertile, demonstrate no significant reduction in testis size, and produce small litters compared with mice lacking either FSH or activin receptor IIA alone. Histological analyses of the testes from double mutant mice revealed the presence of normal stages of spermatogenesis. However, there was a significant reduction in the epididymal sperm number compared with that of the individual mutants. Northern blot analyses of total RNA from testes of double mutants did not reveal transcriptional up-regulation of activin receptor IIB, the other activin type II receptor. Although RNA expression profiles of many testis cell-specific markers are unaltered, stereological analysis of the testes from double mutants indicates that there was a reduction in type A and I spermatogonial number compared with that observed in individual mutants. Our results provide in vivo genetic evidence to demonstrate that activin receptor IIA signaling plays an important local role within the testis, independent of its actions via FSH homeostasis in the pituitary.

Complete replication of human cytomegalovirus in explants of first trimester human placenta.

Tissue integrity and viability of first trimester placenta explants were obtained in culture for 3 weeks. Explants were infected with human cytomegalovirus (HCMV), several cycles of HCMV replication were obtained and the progression of the infection was observed within a tissue that maintains its normal cellular organization. In agreement with recent clinical data, 3 weeks were necessary for the virus to colonize the placenta fully. Complete HCMV replication was observed in trophoblasts, followed by subsequent transmission of the infection to the stromal fibroblasts and fetal endothelial capillary cells. Viral DNA replication was monitored and the production of infectious viral progeny documented.

Abstension from treatment of low-level pp65 cytomegalovirus antigenemia after liver transplantation: a prospective study.

BACKGROUND: Ganciclovir is a highly effective and relatively safe drug to treat cytomegalovirus (CMV) infection in liver transplant patients; CMV resistance to ganciclovir is progressively emerging due to the extensive use of the drug in transplant and AIDS patients; CMV pp65 antigenemia allows early diagnosis of CMV infection and quantitation of the viral load; preemptive antigenemia-guided therapy of CMV infection can prevent CMV disease but the threshold of antigenemia value above which treatment has to be instituted is unclear. METHODS: To demonstrate the safety of abstention from preemptive treatment in the presence of low levels of antigenemia 77 consecutive liver transplant recipients were prospectively evaluated. Antigenemia was tested twice a week from transplantation until discharge, then once a week until the third postoperative month. In absence of risk factors for CMV disease, namely donor positive/recipient negative CMV serology, treatment with antibodies to lymphocytes and retransplantation, only patients with antigenemia of more than 50 or symptoms possibly related to CMV infection had preemptive treatment. RESULTS: A total of 32 patients had at least one positive antigenemia test with a value less than 50; 22 (68.7%) spontaneously cleared the virus, 3 were treated with i.v. ganciclovir for the presence of fever, and the other 7 (21,8%) progressed to values of antigenemia of more than 50 and were treated even if asymptomatic. No CMV disease was observed in these patients. CONCLUSION: CMV antigenemia less than 50 in liver transplant recipients with low and intermediate risk for CMV disease does not mandate preemptive ganciclovir treatment. Close surveillance with repeated determination of antigenemia until its negativization and careful clinical and laboratory monitoring is advisable.

Oa1 knock-out: new insights on the pathogenesis of ocular albinism type 1.

Ocular albinism type I (OA1) is an X-linked disorder characterized by severe reduction of visual acuity, strabismus, photophobia and nystagmus. Ophthalmologic examination reveals hypopigmentation of the retina, foveal hypoplasia and iris translucency. Microscopic examination of both retinal pigment epithelium (RPE) and skin melanocytes shows the presence of large pigment granules called giant melanosomes or macromelanosomes. In this study, we have generated and characterized Oa1-deficient mice by gene targeting (KO). The KO males are viable, fertile and phenotypically indistinguishable from the wild-type littermates. Ophthalmologic examination shows hypopigmentation of the ocular fundus in mutant animals compared with wild-type. Analysis of the retinofugal pathway reveals a reduction in the size of the uncrossed pathway, demonstrating a misrouting of the optic fibres at the chiasm, as observed in OA1 patients. Microscopic examination of the RPE shows the presence of giant melanosomes comparable with those described in OA1 patients. Ultrastructural analysis of the RPE cells, suggests that the giant melanosomes may form by abnormal growth of single melanosomes, rather than the fusion of several, shedding light on the pathogenesis of ocular albinism.

The incidence of cytomegalovirus (CMV) antigenemia and CMV disease is reduced by highly active antiretroviral therapy.

Cytomegalovirus (CMV) infection was one of the most common opportunistic infections in AIDS patients, leading to blindness or life-threatening disease in about 40% of patients in the later stages of AIDS before highly active antiretroviral therapy (HAART). In a retrospective multicenter study we investigated the incidence of CMV retinitis and organ involvement in Northern Italy before (1995 and 1996) and after the introduction of HAART (1997 and 1998) as well as the data regarding CMV antigenemia. We found a sharp drop in the incidence of CMV disease in AIDS patients as well as a decline in the incidence of relapses of CMV-disease after the widespread introduction of HAART. Moreover, there was a decrease in the incidence of antigenemia-positive cases in AIDS patients in the era of HAART and the median CMV viral load was significantly higher in patients who didn't receive HAART than in patients who received HAART (p = 0.001, t test).