Modified differentials and basic cohomology for Riemannian foliations

We define a new version of the exterior derivative on the basic forms of a Riemannian foliation to obtain a new form of basic cohomology that satisfies Poincaré duality in the transversally orientable case. We use this twisted basic cohomology to show relationships between curvature, tautness, and vanishing of the basic Euler characteristic and basic signature.

Index theory for basic Dirac operators on Riemannian foliations

In this paper we prove a formula for the analytic index of a basic Dirac-type operator on a Riemannian foliation, solving a problem that has been open for many years. We also consider more general indices given by twisting the basic Dirac operator by a representation of the orthogonal group. The formula is a sum of integrals over blowups of the strata of the foliation and also involves eta invariants of associated elliptic operators. As a special case, a Gauss-Bonnet formula for the basic Euler characteristic is obtained using two independent proofs.

Studies on populations of Lutzomyia longipalpis (Lutz & Neiva, 1912) (Diptera: Psychodidae: Phlebotominae) in Brazil

Studies were performed on five Brazilian populations of Lutzomyia longipalpis: Salvaterra (PA), São José do Ribamar (MA), Canindé (CE), Natal (RN) and Gruta da Lapinha, Lagoa Santa (MG). No morphological differences were observed that could distinguish between these populations. Homogeneity tests showed that the allopatric populations display a certain heterogeneity and that the sympatric populations, with different patterns of spots, are homogeneous. The Student-Newman-Keuls test, represented by Euler-Venn diagrams, showed a disjunction between the populations from the north/northeast and the one from Gruta da Lapinha. Genetic distances between the four populations (excluding the Canindé population) were within the range of intrapopulational differences. The Gruta da Lapinha population displayed a heterozygotic deficiency that could be a consequence of high levels of inbreeding due to cryptic habits of living in a small cave. These results do not favor the hypothesis of a L. longipalpis species complex in Brazil, and the species should be considered high polymorphic.

Concurrent cutaneous, visceral and ocular leishmaniasis caused by Leishmania (Viannia) braziliensis in a kidney transplant patient

Although cases of leishmaniasis co-infection have been described in acquired immunodeficiency syndrome patients as well as those who have undergone organ transplants, to our knowledge, the present report is the first documented case of simultaneous cutaneous, visceral and ocular leishmaniasis due to Leishmania (Viannia) braziliensis in a transplant patient. The patient had been using immunosuppressive drugs since receiving a transplanted kidney. The first clinical signs of leishmaniasis included fever, thoracic pain, hepatosplenomegaly, leucopenia and anemia. The cutaneous disease was revealed by the presence of amastigotes in the skin biopsy. After three months, the patient presented fever with conjunctive hyperemia, intense ocular pain and low visual acuity. Parasites isolated from iliac crest, aqueous humor and vitreous body were examined using a range of molecular techniques. The same strain of L. (V.) braziliensis was responsible for the different clinical manifestations. The immunosuppressive drugs probably contributed to the dissemination of Leishmania.

10 años de repositorios cooperativos

El 1999 van començar els treballs que van culminar amb la posada en funcionament de TDX / TDX, el primer dipòsit creat a Espanya. Des de llavors la cooperació entre les universitats de Catalunya i la Biblioteca de Catalunya ha permès posar en funcionament 5 repositoris cooperatius (TDX / TDR, RECERCAT, RACO, MDC i MDX). Això ha estat possible per una divisió de tasques en la qual les biblioteques són les responsables de la introducció de continguts, el CESCA de la preparació del programari i el maquinari i el CBUC de la coordinació dels processos.Aquest taller dividit en 4 parts, té la finalitat d'explicar les diferents fases que han viscut els repositoris cooperatius, les actuacions dutes a terme en aquests 10 anys per omplir de contingut (estàndards, aspectes legals, ajuts de digitalització, etc.), La experiència d'una de les universitats -la UPF- que participa en aquests dipòsits cooperatius i que alhora disposa del seu propi i la infraestructura tècnica en la qual s'han desenvolupat i evolucionat.

Analysis of CXCL12 3 ' UTR G > A polymorphism in colorectal cancer

Colorectal cancer is one of the most prevalent cancers in developed countries. However, the genetic factors influencing its appearance remain far from being fully characterized. Recently, a G>A functional transition mapping the 3' untranslated region of the CXCL12 gene (rs1801157) has been found to be under-represented among rectal cancer patients when compared to colon cancer patients from a Swedish series. Here we present the results from an independent analysis of CXCL12 rs1801157 in a larger CRC series of Spanish origin in order to analyse the robustness of this association within a different European population. No significant difference was observed between controls and colon or rectal cancer patients. We were also unable to find a correlation between rs1801157 and different prognostic markers such as metastasis development or disease-free survival time. The epidemiologic data involving CXCL12 rs1801157 in colorectal cancer risk are discussed.

Iodine intakes of 100-300 μg/d do not modify thyroid function and have modest anti-inflammatory effects.

Little information is available as to whether doses of iodide similar to those recommended in clinical practice for the prevention of iodine deficiency in pregnant women affect thyroid function. The aim of the present study was to analyse whether doses of iodide can affect thyroid function in adults, and evaluate its effect on plasma markers of oxidative stress, inflammation and acute-phase proteins. A total of thirty healthy volunteers (ten men and twenty women) with normal thyroid function were randomly assigned to three groups (n 10). Each group received a daily dose of 100, 200 or 300 μg of iodide in the form of KI for 6 months. Free tetraiodothyronine (FT4) levels at day 60 of the study were higher in the groups treated with 200 and 300 μg (P = 0·01), and correlated with the increase in urinary iodine (r 0·50, P = 0·007). This correlation lost its significance after adjustment for the baseline FT4. The baseline urinary iodine and FT4 correlated positively with the baseline glutathione peroxidase. On day 60, urinary iodine correlated with C-reactive protein (r 0·461, P = 0·018), and free triiodothyronine correlated with IL-6 (r - 0·429, P = 0·025). On day 60, the changes produced in urinary iodine correlated significantly with the changes produced in α1-antitrypsin (r 0·475, P = 0·014) and ceruloplasmin (r 0·599, P = 0·001). The changes in thyroid-stimulating hormone correlated significantly with the changes in α1-antitrypsin (r - 0·521, P = 0·005) and ceruloplasmin (r - 0·459, P = 0·016). In conclusion, the administration of an iodide supplement between 100 and 300 μg/d did not modify thyroid function in a population with adequate iodine intake. The results also showed a slight anti-inflammatory and antioxidative action of iodide.

Vigilancia ambiental de casos esporádicos de legionelosis en el municipio de Córdoba (España), 2005-2010

We examined the information of legionellosis surveillance system in the municipality of Cordoba (Spain) as a preventive resource for environmental health management and describes the public health implications of sporadic cases investigations. A multidisciplinary team analyzed information on surveillance of water sites potentially contaminated by Legionella and clinical data of the patients classified like community case; mapping patient's home address using geographic information systems (GIS). Legionella pneumophila serogroup 1 was identified in 31 sporadic cases. 53 suspected sources, mainly cooling towers have been investigated. In no event is managed to locate infection source even if poorly maintained systems, structural deficiencies and operational failures were apparent. The use of GIS allowed us to identify two geographic areas where cases are concentrated within one radius of less than 500 meters. The finding of two suspected urban advised to reorient the preventive strategy in public health

Origenis Opera omnia ex variis editionibus et codicibus manu exaratis gallicanis, italicis, germanicis et anglicis collecta : atque adnotationibus illustrata, cum copiosis indicibus, vita auctoris et multis dissertationibus. T1 / opera et studio DD. Caroli et Caroli Vincentii Delarue... ; accurante J.-P. Migne...

Collection : Patrologiae cursus completus ; 8-10

Origenis Opera omnia ex variis editionibus et codicibus manu exaratis gallicanis, italicis, germanicis et anglicis collecta : atque adnotationibus illustrata, cum copiosis indicibus, vita auctoris et multis dissertationibus. T3 / opera et studio DD. Caroli et Caroli Vincentii Delarue... ; accurante J.-P. Migne...

Collection : Patrologiae cursus completus ; 8-10

Origenis Opera omnia ex variis editionibus et codicibus manu exaratis gallicanis, italicis, germanicis et anglicis collecta : atque adnotationibus illustrata, cum copiosis indicibus, vita auctoris et multis dissertationibus. T2 / opera et studio DD. Caroli et Caroli Vincentii Delarue... ; accurante J.-P. Migne...

Collection : Patrologiae cursus completus ; 8-10

Origenis Opera omnia ex variis editionibus et codicibus manu exaratis gallicanis, italicis, germanicis et anglicis collecta : atque adnotationibus illustrata, cum copiosis indicibus, vita auctoris et multis dissertationibus. T4 / opera et studio DD. Caroli et Caroli Vincentii Delarue... ; accurante J.-P. Migne...

Collection : Patrologiae cursus completus ; 8-10