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1.
Sci Data ; 11(1): 782, 2024 Jul 16.
Artículo en Inglés | MEDLINE | ID: mdl-39013892

RESUMEN

We present a flora and fauna dataset for the Mira-Mataje binational basins. This is an area shared between southwestern Colombia and northwestern Ecuador, where both the Chocó and Tropical Andes biodiversity hotspots converge. We systematized data from 120 sources in the Darwin Core Archive (DwC-A) standard and geospatial vector data format for geographic information systems (GIS) (shapefiles). Sources included natural history museums, published literature, and citizen science repositories across 13 countries. The resulting database has 33,460 records from 6,821 species, of which 540 have been recorded as endemic, and 612 as threatened. The diversity represented in the dataset is equivalent to 10% of the total plant species and 26% of the total terrestrial vertebrate species in both hotspots. The dataset can be used to estimate and compare biodiversity patterns with environmental parameters and provide value to ecosystems, ecoregions, and protected areas. The dataset is a baseline for future assessments of biodiversity in the face of environmental degradation, climate change, and accelerated extinction processes.


Asunto(s)
Biodiversidad , Plantas , Ecuador , Animales , Colombia , Vertebrados , Sistemas de Información Geográfica , Ecosistema , Cambio Climático , Conservación de los Recursos Naturales , Clima Tropical
2.
Actas dermo-sifiliogr. (Ed. impr.) ; 115(1): 80-83, jan. 2024. tab, ilus
Artículo en Español | IBECS | ID: ibc-229346

RESUMEN

Los inhibidores de puntos de control inmunitario (ICI) pueden producir toxicidades cutáneas inmunomediadas entre las que se encuentran las reacciones sarcoideas. Nuestro objetivo fue analizar retrospectivamente los datos clínicos e histológicos de los pacientes en tratamiento con ICI que desarrollaron reacciones sarcoideas cutáneas entre 2019 y 2022. Se incluyeron siete pacientes (seis mujeres y un varón, con una edad mediana de 65años). La mediana de tiempo de instauración de la clínica fue de 4meses y la forma de presentación más frecuente fue la sarcoidosis papulosa de las rodillas, seguida de la sarcoidosis subcutánea. En todos se confirmó el diagnóstico histológicamente y no se observaron diferencias respecto a la sarcoidosis idiopática. Solo en dos casos fue preciso retirar la inmunoterapia. Las reacciones sarcoideas por ICI suelen ser leves y no suelen requerir la interrupción del tratamiento. Es fundamental obtener una confirmación histológica para distinguirlas de la progresión tumoral (AU)


Immune checkpoint inhibitors (ICIs) can cause immune-mediated cutaneous adverse events, including sarcoid-like reactions. The aim of this study was to retrospectively analyze clinical and histologic data from patients who developed cutaneous sarcoid-like reactions between 2019 and 2022 while under treatment with ICIs. We studied 7 patients (6 women and 1 man) with a median age of 65years. Median time to onset of symptoms was 4months. The most common presentation was papular sarcoidosis of the knees followed by subcutaneous sarcoidosis. Diagnosis was confirmed histologically in all cases, and no differences were observed relative to idiopathic sarcoidosis. Discontinuation of ICI therapy was required in just two patients. ICI-induced sarcoid-like reactions tend to be mild and generally do not require treatment discontinuation. Histologic confirmation is essential for distinguishing these reactions from tumor progression (AU)


Asunto(s)
Humanos , Masculino , Femenino , Adulto , Persona de Mediana Edad , Anciano , /efectos adversos , Sarcoidosis/inducido químicamente , Sarcoidosis/diagnóstico , Estudios Retrospectivos
3.
Actas dermo-sifiliogr. (Ed. impr.) ; 115(1): t80-t83, jan. 2024. ilus
Artículo en Inglés | IBECS | ID: ibc-229347

RESUMEN

Immune checkpoint inhibitors (ICIs) can cause immune-mediated cutaneous adverse events, including sarcoid-like reactions. The aim of this study was to retrospectively analyze clinical and histologic data from patients who developed cutaneous sarcoid-like reactions between 2019 and 2022 while under treatment with ICIs. We studied 7 patients (6 women and 1 man) with a median age of 65years. Median time to onset of symptoms was 4months. The most common presentation was papular sarcoidosis of the knees followed by subcutaneous sarcoidosis. Diagnosis was confirmed histologically in all cases, and no differences were observed relative to idiopathic sarcoidosis. Discontinuation of ICI therapy was required in just two patients. ICI-induced sarcoid-like reactions tend to be mild and generally do not require treatment discontinuation. Histologic confirmation is essential for distinguishing these reactions from tumor progression (AU)


Los inhibidores de puntos de control inmunitario (ICI) pueden producir toxicidades cutáneas inmunomediadas entre las que se encuentran las reacciones sarcoideas. Nuestro objetivo fue analizar retrospectivamente los datos clínicos e histológicos de los pacientes en tratamiento con ICI que desarrollaron reacciones sarcoideas cutáneas entre 2019 y 2022. Se incluyeron siete pacientes (seis mujeres y un varón, con una edad mediana de 65años). La mediana de tiempo de instauración de la clínica fue de 4meses y la forma de presentación más frecuente fue la sarcoidosis papulosa de las rodillas, seguida de la sarcoidosis subcutánea. En todos se confirmó el diagnóstico histológicamente y no se observaron diferencias respecto a la sarcoidosis idiopática. Solo en dos casos fue preciso retirar la inmunoterapia. Las reacciones sarcoideas por ICI suelen ser leves y no suelen requerir la interrupción del tratamiento. Es fundamental obtener una confirmación histológica para distinguirlas de la progresión tumoral (AU)


Asunto(s)
Humanos , /efectos adversos , Sarcoidosis/inducido químicamente , Sarcoidosis/diagnóstico , Estudios Retrospectivos
4.
Actas Dermosifiliogr ; 115(1): T80-T83, 2024 Jan.
Artículo en Inglés, Español | MEDLINE | ID: mdl-37923080

RESUMEN

Immune checkpoint inhibitors (ICIs) can cause immune-mediated cutaneous adverse events, including sarcoid-like reactions. The aim of this study was to retrospectively analyze clinical and histologic data from patients who developed cutaneous sarcoid-like reactions between 2019 and 2022 while under treatment with ICIs. We studied 7 patients (6 women and 1 man) with a median age of 65years. Median time to onset of symptoms was 4months. The most common presentation was papular sarcoidosis of the knees followed by subcutaneous sarcoidosis. Diagnosis was confirmed histologically in all cases, and no differences were observed relative to idiopathic sarcoidosis. Discontinuation of ICI therapy was required in just two patients. ICI-induced sarcoid-like reactions tend to be mild and generally do not require treatment discontinuation. Histologic confirmation is essential for distinguishing these reactions from tumor progression.


Asunto(s)
Sarcoidosis , Enfermedades de la Piel , Neoplasias Cutáneas , Masculino , Humanos , Femenino , Anciano , Inhibidores de Puntos de Control Inmunológico/efectos adversos , Estudios Retrospectivos , Sarcoidosis/inducido químicamente , Sarcoidosis/diagnóstico , Enfermedades de la Piel/inducido químicamente , Enfermedades de la Piel/complicaciones , Neoplasias Cutáneas/patología
5.
Actas Dermosifiliogr ; 115(1): 80-83, 2024 Jan.
Artículo en Inglés, Español | MEDLINE | ID: mdl-37482293

RESUMEN

Immune checkpoint inhibitors (ICIs) can cause immune-mediated cutaneous adverse events, including sarcoid-like reactions. The aim of this study was to retrospectively analyze clinical and histologic data from patients who developed cutaneous sarcoid-like reactions between 2019 and 2022 while under treatment with ICIs. We studied 7 patients (6 women and 1 man) with a median age of 65years. Median time to onset of symptoms was 4months. The most common presentation was papular sarcoidosis of the knees followed by subcutaneous sarcoidosis. Diagnosis was confirmed histologically in all cases, and no differences were observed relative to idiopathic sarcoidosis. Discontinuation of ICI therapy was required in just two patients. ICI-induced sarcoid-like reactions tend to be mild and generally do not require treatment discontinuation. Histologic confirmation is essential for distinguishing these reactions from tumor progression.


Asunto(s)
Sarcoidosis , Enfermedades de la Piel , Neoplasias Cutáneas , Masculino , Humanos , Femenino , Anciano , Inhibidores de Puntos de Control Inmunológico/efectos adversos , Estudios Retrospectivos , Sarcoidosis/inducido químicamente , Sarcoidosis/diagnóstico , Enfermedades de la Piel/inducido químicamente , Enfermedades de la Piel/complicaciones , Neoplasias Cutáneas/patología
8.
Allergol Immunopathol (Madr) ; 47(6): 564-569, 2019.
Artículo en Inglés | MEDLINE | ID: mdl-31164233

RESUMEN

INTRODUCTION: Sickle cell disease (SCD) children are at increased risk of invasive pneumococcal disease and rely on penicillin prophylaxis and vaccination for infection prevention. Post-vaccination antibody levels in SCD may wane overtime. HbSC are believed to have better immunological response than HbSS. OBJECTIVE: To compare antibody response to 23-valent pneumococcal polysaccharide vaccine (PPSV-23) between HbSS and HbSC. METHODS: Patients with HbSS (n=33) and HbSC (n=11), aged 7-18 years, were prospectively recruited. Luminex pneumococcal antibody levels were measured for 23-serotypes, after two PPSV-23 doses. RESULTS: Absolute median titer for 20 of the 23 serotypes was higher in HbSC than HbSS and significantly higher for serotypes 22 (3.9 vs. 1.6mcg/ml; p=0.039) and 43 (2.9 vs. 0.8mcg/ml; p=0.007). HbSC mounted a better immune anti-pneumococcal response compared to HbSS (≥1.3mcg/ml) for 18 of 23 serotypes, albeit not significant for any of the serotypes. More HbSC (64%) than HbSS (42%) were good vaccine responders (p=0.303). Two of 21 (10%) good vaccine responders and nine of 23 (39%) poor vaccine responders SCD participants subsequently developed acute chest syndrome or pneumonia (p=0.036). None of the HbSC patients developed ACS after receiving PPSV-23. HbSS poor vaccine responders were at increased future recurrence risk for ACS (p=0.003), pneumonia (p=0.036) or both (p=0.011), compared to good vaccine responders. CONCLUSION: HbSC possess better pneumococcal vaccine response than HbSS. Poor vaccine response is concerning for future acute pulmonary events. Current vaccination strategy for SCD sub-types are lacking, therefore further study to evaluate utility of vaccine boosters is necessary.


Asunto(s)
Anemia de Células Falciformes/inmunología , Hemoglobina C/metabolismo , Hemoglobina Falciforme/metabolismo , Infecciones Neumocócicas/inmunología , Vacunas Neumococicas/inmunología , Streptococcus pneumoniae/fisiología , Adolescente , Formación de Anticuerpos , Niño , Femenino , Humanos , Masculino , Infecciones Neumocócicas/prevención & control , Estudios Prospectivos , Vacunación
9.
Arch. Soc. Esp. Oftalmol ; 94(1): 41-44, ene. 2019. ilus
Artículo en Español | IBECS | ID: ibc-177364

RESUMEN

Mujer de 55 años con necrosis retiniana aguda (NRA) unilateral que desarrolló edema macular (EM) después de la resolución del cuadro agudo. El EM fue tratado con inyecciones intravítreas de antiangiogénicos (anti-VEGF), siendo controlado durante 4 años. La terapia antiangiogénica puede ser útil en el tratamiento del EM secundario a la NRA, al igual que en el EM secundario a panuveítis donde su eficacia ha sido demostrada


A 55 year-old female patient with unilateral Acute Retinal Necrosis (ARN) developed macular oedema (MO) after the resolution of her necrosis. The macular oedema (MO) was managed and controlled for four years with intravitreal anti-VEGF injections. Anti-VEGF therapy could be useful for the treatment of MO secondary to ARN, the same as for treating MO resulting from panuveitis, where its efficacy has been already demonstrated


Asunto(s)
Humanos , Femenino , Persona de Mediana Edad , Síndrome de Necrosis Retiniana Aguda/complicaciones , Edema Macular/tratamiento farmacológico , Edema Macular/etiología , Aciclovir/administración & dosificación , Prednisona/administración & dosificación , Ranibizumab/administración & dosificación , Edema Macular/diagnóstico por imagen , Quimioterapia Combinada , Resultado del Tratamiento , Inyecciones Intravítreas
10.
Arch Soc Esp Oftalmol (Engl Ed) ; 94(1): 41-44, 2019 Jan.
Artículo en Inglés, Español | MEDLINE | ID: mdl-30337096

RESUMEN

A 55 year-old female patient with unilateral Acute Retinal Necrosis (ARN) developed macular oedema (MO) after the resolution of her necrosis. The macular oedema (MO) was managed and controlled for four years with intravitreal anti-VEGF injections. Anti-VEGF therapy could be useful for the treatment of MO secondary to ARN, the same as for treating MO resulting from panuveitis, where its efficacy has been already demonstrated.


Asunto(s)
Edema Macular/tratamiento farmacológico , Síndrome de Necrosis Retiniana Aguda/complicaciones , Factor A de Crecimiento Endotelial Vascular/antagonistas & inhibidores , Aciclovir/uso terapéutico , Inhibidores de la Angiogénesis/uso terapéutico , Antivirales/uso terapéutico , Femenino , Humanos , Edema Macular/etiología , Persona de Mediana Edad , Ranibizumab/uso terapéutico , Receptores de Factores de Crecimiento Endotelial Vascular/uso terapéutico , Proteínas Recombinantes de Fusión/uso terapéutico , Síndrome de Necrosis Retiniana Aguda/diagnóstico por imagen
11.
Case Rep Pediatr ; 2017: 2171974, 2017.
Artículo en Inglés | MEDLINE | ID: mdl-28884036

RESUMEN

Hepatopulmonary Syndrome (HPS) is a potential complication of chronic liver disease and is more commonly seen in the adult population. Caroli Syndrome is a rare inherited disorder characterized by intrahepatic ductal dilation and liver fibrosis that leads to portal hypertension. In children with liver disease, HPS should be considered in the differential diagnosis of prolonged, otherwise unexplained, hypoxemia. The presence of HPS can improve patient priority on the liver transplantation wait list, despite their Pediatric End-Stage Liver Disease (PELD) score. We present a 6-year-old girl with Caroli Syndrome and End-Stage Renal Disease who presented with persistent hypoxemia. The goal of this report is to increase awareness of HPS in children.

14.
Arch Soc Esp Oftalmol ; 84(2): 101-4, 2009 Feb.
Artículo en Español | MEDLINE | ID: mdl-19253180

RESUMEN

CASE REPORT: A 57-year-old immunocompetent woman was diagnosed with syphilitic bilateral panuveitis after the onset of dramatic bilateral visual loss with inflammation of the anterior segment of the eye, severe vitritis and chorioretinitis which improved after treatment. DISCUSSION: Syphilis is a complex disease of increasing prevalence. If diagnosis is delayed ocular syphilis can produce severe visual loss due to neuritis, chorioretinitis with panuveitis, affecting both eyes in 50% of cases. Nevertheless, syphilis is considered one of the few causes of uveitis in which a cure can be obtained with proper treatment.


Asunto(s)
Neurosífilis/complicaciones , Panuveítis/etiología , Antibacterianos/uso terapéutico , Femenino , Humanos , Persona de Mediana Edad , Neurosífilis/diagnóstico , Neurosífilis/tratamiento farmacológico , Panuveítis/tratamiento farmacológico , Penicilina G Benzatina/uso terapéutico , Factores de Tiempo , Trastornos de la Visión/etiología
15.
Arch. Soc. Esp. Oftalmol ; 84(2): 101-104, feb. 2009. ilus
Artículo en Español | IBECS | ID: ibc-59581

RESUMEN

Caso clínico: Mujer de 57 años inmunocompetentees diagnosticada de panuveítis bilateral sifilíticatras presentar un cuadro dramático de déficit visualsevero y bilateral con inflamación del segmentoanterior, importante vitritis y coriorretinitis que seresuelven favorablemente tras el tratamiento.Discusión: La sífilis es una enfermedad cuya frecuenciaestá en aumento. A nivel ocular puede provocarpérdida severa de visión si no se diagnosticaa tiempo ya que puede originar neuritis y coriorretinitiscon panuveítis, siendo el 50% de ellas bilaterales.Sin embargo, se considera una de las pocascausas de uveítis que con tratamiento específico sepueden curar(AU)


Case report: A 57-year-old immunocompetentwoman was diagnosed with syphilitic bilateralpanuveitis after the onset of dramatic bilateralvisual loss with inflammation of the anterior segmentof the eye, severe vitritis and chorioretinitiswhich improved after treatment.Discussion: Syphilis is a complex disease of increasingprevalence. If diagnosis is delayed ocularsyphilis can produce severe visual loss due to neuritis,chorioretinitis with panuveitis, affecting botheyes in 50% of cases. Nevertheless, syphilis is consideredone of the few causes of uveitis in which acure can be obtained with proper treatment(AU)


Asunto(s)
Humanos , Femenino , Persona de Mediana Edad , Panuveítis/complicaciones , Panuveítis/diagnóstico , Panuveítis/terapia , Trastornos de la Visión/complicaciones , Trastornos de la Visión/etiología , Coriorretinitis/complicaciones , Sífilis/complicaciones , Ceguera/complicaciones , Penicilinas/uso terapéutico , Inmunocompetencia , Inmunocompetencia/inmunología , Coriorretinitis/terapia , Coriorretinitis , Agudeza Visual/fisiología , Eritromicina/uso terapéutico , Tetraciclina/uso terapéutico
16.
Bol. Asoc. Méd. P. R ; 93(1/12): 3-8, Jan.-Dec. 2001.
Artículo en Inglés | LILACS | ID: lil-411255

RESUMEN

Colorectal cancer (CRC) incidence in Puerto Rico has increased prodigiously since incidence figures were first recorded in 1950. Implications for hereditary nonpolyposis colorectal cancer (HNPCC) in concert with this increased CRC incidence are discussed. A family with the Amsterdam-positive criteria of the Lynch syndrome II variant, identified in the eastern area of Puerto Rico, is described. As far as we can determine, this is the first such report of this disorder in Puerto Rico


Asunto(s)
Humanos , Masculino , Femenino , Adulto , Persona de Mediana Edad , Neoplasias Colorrectales Hereditarias sin Poliposis/epidemiología , Adyuvantes Inmunológicos/administración & dosificación , Adyuvantes Inmunológicos/uso terapéutico , Antimetabolitos Antineoplásicos/administración & dosificación , Antimetabolitos Antineoplásicos/uso terapéutico , Quimioterapia Combinada , Estudios de Seguimiento , Fluorouracilo/administración & dosificación , Fluorouracilo/uso terapéutico , Incidencia , Levamisol/administración & dosificación , Levamisol/uso terapéutico , Neoplasias Colorrectales Hereditarias sin Poliposis/diagnóstico , Neoplasias Colorrectales Hereditarias sin Poliposis/tratamiento farmacológico , Neoplasias Colorrectales Hereditarias sin Poliposis/genética , Neoplasias Colorrectales/epidemiología , Linaje , Puerto Rico/epidemiología , Factores de Tiempo
17.
Nucleosides Nucleotides Nucleic Acids ; 20(4-7): 999-1002, 2001.
Artículo en Inglés | MEDLINE | ID: mdl-11563163

RESUMEN

A series of 1,2-disubstituted carbonucleoside analogues of pyrimidine and 5-halopyrimidines with the unsaturated carbocycle cyclopentene was synthesized. AIM theory was applied to analyse the conformational and electronic effects of 5-halogenation.


Asunto(s)
Ciclopentanos/química , Nucleósidos de Pirimidina/síntesis química , Ciclopentanos/síntesis química , Modelos Químicos , Estructura Molecular , Conformación de Ácido Nucleico , Nucleósidos de Pirimidina/química
19.
Bol Asoc Med P R ; 93(1-12): 3-8, 2001.
Artículo en Inglés | MEDLINE | ID: mdl-12755068

RESUMEN

Colorectal cancer (CRC) incidence in Puerto Rico has increased prodigiously since incidence figures were first recorded in 1950. Implications for hereditary nonpolyposis colorectal cancer (HNPCC) in concert with this increased CRC incidence are discussed. A family with the Amsterdam-positive criteria of the Lynch syndrome II variant, identified in the eastern area of Puerto Rico, is described. As far as we can determine, this is the first such report of this disorder in Puerto Rico.


Asunto(s)
Neoplasias Colorrectales Hereditarias sin Poliposis/epidemiología , Adyuvantes Inmunológicos/administración & dosificación , Adyuvantes Inmunológicos/uso terapéutico , Adulto , Antimetabolitos Antineoplásicos/administración & dosificación , Antimetabolitos Antineoplásicos/uso terapéutico , Neoplasias Colorrectales/epidemiología , Neoplasias Colorrectales Hereditarias sin Poliposis/diagnóstico , Neoplasias Colorrectales Hereditarias sin Poliposis/tratamiento farmacológico , Neoplasias Colorrectales Hereditarias sin Poliposis/genética , Quimioterapia Combinada , Femenino , Fluorouracilo/administración & dosificación , Fluorouracilo/uso terapéutico , Estudios de Seguimiento , Humanos , Incidencia , Levamisol/administración & dosificación , Levamisol/uso terapéutico , Masculino , Persona de Mediana Edad , Linaje , Puerto Rico/epidemiología , Factores de Tiempo
20.
Drug Des Discov ; 16(4): 271-9, 2000.
Artículo en Inglés | MEDLINE | ID: mdl-10807033

RESUMEN

A series of quinolinecarboxylic acid amides and an ester with a quinuclidine moiety were synthesized and their in vitro affinities at 5-HT3, 5-HT4, and D2 receptors evaluated by radioligand binding assays. Highest affinity at 5-HT3 receptor corresponded to derivative 5 with Ki = 9.9 nM and with selectivity over 5-HT4 and D2 receptors. Compounds displayed moderate 5-HT3 antagonist activity (ED50 = 10.5-21.5 microg/kg i.v.). The obtained data suggest that the 5-HT3 receptor sites can accommodate the acyl group of the 2-quinoline derivatives. The results indicate the existence of an optimal distance between the lone electron pair of the quinoline nitrogen atom and the azabicyclic nitrogen atom, and a no-pharmacophoric pocket in the 5-HT3 receptor which would hold the fragment at the position 4 of the quinoline ring.


Asunto(s)
Quinolinas/síntesis química , Receptores de Serotonina/metabolismo , Antagonistas de la Serotonina/síntesis química , Animales , Antagonistas de Dopamina/síntesis química , Antagonistas de Dopamina/química , Antagonistas de Dopamina/farmacología , Diseño de Fármacos , Cobayas , Masculino , Quinolinas/química , Quinolinas/farmacología , Ratas , Ratas Wistar , Receptores de Dopamina D2/efectos de los fármacos , Receptores de Dopamina D2/metabolismo , Receptores de Serotonina/efectos de los fármacos , Receptores de Serotonina 5-HT3 , Receptores de Serotonina 5-HT4 , Antagonistas de la Serotonina/química , Antagonistas de la Serotonina/farmacología , Agonistas de Receptores de Serotonina/síntesis química , Agonistas de Receptores de Serotonina/química , Agonistas de Receptores de Serotonina/farmacología , Relación Estructura-Actividad
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