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  1. Article: The Importance of Gene Duplication and Domain Repeat Expansion for the Function and Evolution of Fertilization Proteins.

    Rivera, Alberto M / Swanson, Willie J

    Frontiers in cell and developmental biology

    2022  Volume 10, Page(s) 827454

    Abstract: The process of gene duplication followed by gene loss or evolution of new functions has been studied extensively, yet the role gene duplication plays in the function and evolution of fertilization proteins is underappreciated. Gene duplication is ... ...

    Abstract The process of gene duplication followed by gene loss or evolution of new functions has been studied extensively, yet the role gene duplication plays in the function and evolution of fertilization proteins is underappreciated. Gene duplication is observed in many fertilization protein families including Izumo, DCST, ZP, and the TFP superfamily. Molecules mediating fertilization are part of larger gene families expressed in a variety of tissues, but gene duplication followed by structural modifications has often facilitated their cooption into a fertilization function. Repeat expansions of functional domains within a gene also provide opportunities for the evolution of novel fertilization protein. ZP proteins with domain repeat expansions are linked to species-specificity in fertilization and TFP proteins that experienced domain duplications were coopted into a novel sperm function. This review outlines the importance of gene duplications and repeat domain expansions in the evolution of fertilization proteins.
    Language English
    Publishing date 2022-01-27
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2737824-X
    ISSN 2296-634X
    ISSN 2296-634X
    DOI 10.3389/fcell.2022.827454
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Reverse total shoulder arthroplasty for complex proximal humerus fracture in the elderly: clinical and radiological results.

    Rivera, Alberto R / Cardona, Victor

    JSES reviews, reports, and techniques

    2022  Volume 3, Issue 2, Page(s) 131–136

    Abstract: Background: The use of reverse total shoulder arthroplasty (RSA) for the treatment of proximal humeral fractures (PHFs) is steadily increasing. Better clinical outcomes of RSA have been correlated with tuberosity reattachment and healing. The purpose of ...

    Abstract Background: The use of reverse total shoulder arthroplasty (RSA) for the treatment of proximal humeral fractures (PHFs) is steadily increasing. Better clinical outcomes of RSA have been correlated with tuberosity reattachment and healing. The purpose of this study was to evaluate both the clinical and radiological results of reverse shoulder arthroplasty in the management of a proximal humerus fracture in the elderly.
    Methods: Retrospective study including 400 consecutive 3-4 part proximal humerus fractures treated with reverse shoulder arthroplasty with a minimum of 12-month follow-up. In all the cases, the greater tuberosity was reattached with a standardized suture technique and a local bone graft. All the patients were assessed at the 12-month follow-up with Constant-Murley Score (CMS). Radiographic healing of the greater tuberosity was noted. Complications and revision rates were reported.
    Results: Mean final CMS for this cohort was 82 points. The greater tuberosity healed in anatomic position in 85% of the cases (N = 340), obtaining an average CMS of 85 in these patients. Healing of the greater tuberosity did not occur in 13% of the cases (N = 52) and displacement more than 5 mm occurred in 2% (N = 8) of the patients for an average CMS of 60. All patients scored above 120° in forward elevation with a mean of 150°. Mean active external rotation was 35°. The lateralization shoulder angle had a mean of 91° and the distalization shoulder angle had a mean of 54°. Low-grade scapular notching was reported in <1% of the cases. A total of 60 patients presented failure of healing or displacement of the greater tuberosity. Major complications were reported in nine patients. Of these nine patients, two acquired superficial wound infections, while two had deep shoulder prosthetic infection. Two other patients developed hematomas, one sustained an acromial stress fracture, and two had a stem loosening. There were 4 reoperations.
    Conclusion: Reverse shoulder arthroplasty, with the use of a fracture-specific stem, allows an improved rate of greater tuberosity healing and short-term clinical outcomes in the elderly population.
    Language English
    Publishing date 2022-12-15
    Publishing country Netherlands
    Document type Journal Article
    ISSN 2666-6391
    ISSN (online) 2666-6391
    DOI 10.1016/j.xrrt.2022.11.004
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Body mass index does not decline during winter for the sedentary marine gastropod

    Franklin, Amanda M / Rivera, Alberto / Robbins, Justin / Pechenik, Jan A

    Biology letters

    2023  Volume 19, Issue 6, Page(s) 20230026

    Abstract: Seasonal extremes in environmental conditions can substantially limit the growth and reproduction of animals. Sedentary marine animals are particularly susceptible to winter food limitation since they cannot relocate to more favourable conditions. In ... ...

    Abstract Seasonal extremes in environmental conditions can substantially limit the growth and reproduction of animals. Sedentary marine animals are particularly susceptible to winter food limitation since they cannot relocate to more favourable conditions. In several temperate-zone bivalve species, substantial winter tissue mass declines have been documented; however, no comparable studies have been conducted on intertidal gastropods. Here, we investigate whether the suspension-feeding intertidal gastropod
    MeSH term(s) Animals ; Body Mass Index ; Gastropoda ; Seasons ; Cold Temperature ; Food
    Language English
    Publishing date 2023-06-14
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2135022-X
    ISSN 1744-957X ; 1744-9561
    ISSN (online) 1744-957X
    ISSN 1744-9561
    DOI 10.1098/rsbl.2023.0026
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Domain Expansion and Functional Diversification in Vertebrate Reproductive Proteins.

    Rivera, Alberto M / Wilburn, Damien B / Swanson, Willie J

    Molecular biology and evolution

    2022  Volume 39, Issue 5

    Abstract: The rapid evolution of fertilization proteins has generated remarkable diversity in molecular structure and function. Glycoproteins of vertebrate egg coats contain multiple zona pellucida (ZP)-N domains (1-6 copies) that facilitate multiple reproductive ... ...

    Abstract The rapid evolution of fertilization proteins has generated remarkable diversity in molecular structure and function. Glycoproteins of vertebrate egg coats contain multiple zona pellucida (ZP)-N domains (1-6 copies) that facilitate multiple reproductive functions, including species-specific sperm recognition. In this report, we integrate phylogenetics and machine learning to investigate how ZP-N domains diversify in structure and function. The most C-terminal ZP-N domain of each paralog is associated with another domain type (ZP-C), which together form a "ZP module." All modular ZP-N domains are phylogenetically distinct from nonmodular or free ZP-N domains. Machine learning-based classification identifies eight residues that form a stabilizing network in modular ZP-N domains that is absent in free domains. Positive selection is identified in some free ZP-N domains. Our findings support that strong purifying selection has conserved an essential structural core in modular ZP-N domains, with the relaxation of this structural constraint allowing free N-terminal domains to functionally diversify.
    MeSH term(s) Amino Acid Sequence ; Animals ; Egg Proteins/analysis ; Egg Proteins/chemistry ; Egg Proteins/genetics ; Vertebrates/genetics ; Vertebrates/metabolism ; Zona Pellucida/chemistry ; Zona Pellucida/metabolism ; Zona Pellucida Glycoproteins/metabolism
    Chemical Substances Egg Proteins ; Zona Pellucida Glycoproteins
    Language English
    Publishing date 2022-08-26
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural
    ZDB-ID 998579-7
    ISSN 1537-1719 ; 0737-4038
    ISSN (online) 1537-1719
    ISSN 0737-4038
    DOI 10.1093/molbev/msac105
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Book ; Online: La sociedad civil

    Olvera Rivera, Alberto

    de la teoría a la realidad

    2001  

    Keywords History of the Americas
    Language 0|s
    Size 1 Online-Ressource
    Publisher El Colegio de México
    Document type Book ; Online
    Note Spanish ; Open Access
    HBZ-ID HT021612375
    ISBN 9786076287736 ; 607628773X
    Database ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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  6. Article: Morphological Hallmarks of Classical Fabry Disease: An Ultrastructural Study in a Large Spanish Family.

    San Millán-Tejado, Beatriz / Navarro, Carmen / Fernández-Martín, Julián / Rivera, Alberto / Viéitez, Irene / Teijeira, Susana / Ortolano, Saida

    Journal of clinical medicine

    2023  Volume 12, Issue 17

    Abstract: Fabry disease (FD) is a rare lysosomal disorder caused by α-galactosidase A deficiency, and it leads to the systemic deposition of globotriasylceramide. Demonstrations of the storage material in biopsies support this diagnosis. We report a histological ... ...

    Abstract Fabry disease (FD) is a rare lysosomal disorder caused by α-galactosidase A deficiency, and it leads to the systemic deposition of globotriasylceramide. Demonstrations of the storage material in biopsies support this diagnosis. We report a histological and ultrastructural study of biopsies that were performed on 11 individuals from a family with the variant p.Gln279Arg in
    Language English
    Publishing date 2023-08-31
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662592-1
    ISSN 2077-0383
    ISSN 2077-0383
    DOI 10.3390/jcm12175689
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Reflexive pedagogy at the heart of educational digital transformation in Latin American higher education institutions.

    Useche, Ana Carolina / Galvis, Álvaro H / Díaz-Barriga Arceo, Frida / Patiño Rivera, Alberto Elí / Muñoz-Reyes, Claudia

    International journal of educational technology in higher education

    2022  Volume 19, Issue 1, Page(s) 62

    Abstract: This paper makes a critical review of educational and operational issues related with pandemic and postpandemic lessons in Latin American higher education institutions (LATAM HEI), as background for uncovering key elements to innovate educational ... ...

    Abstract This paper makes a critical review of educational and operational issues related with pandemic and postpandemic lessons in Latin American higher education institutions (LATAM HEI), as background for uncovering key elements to innovate educational practices in technology-mediated higher education. The authors adapted the reflexive pedagogy framework to conduct in depth analysis of innovation experiences mediated with educational technologies and draw conclusions for curricular and digital transformation of LATAM HEI.
    Language English
    Publishing date 2022-10-25
    Publishing country Switzerland
    Document type Editorial
    ISSN 2365-9440
    ISSN (online) 2365-9440
    DOI 10.1186/s41239-022-00365-3
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Current State of Diabetes Mellitus Prevalence, Awareness, Treatment, and Control in Latin America: Challenges and Innovative Solutions to Improve Health Outcomes Across the Continent.

    Avilés-Santa, M Larissa / Monroig-Rivera, Alberto / Soto-Soto, Alvin / Lindberg, Nangel M

    Current diabetes reports

    2020  Volume 20, Issue 11, Page(s) 62

    Abstract: Purpose of review: Latin America is the scenario of great inequalities where about 32 million human beings live with diabetes. Through this review, we aimed at describing the current state of the prevalence, awareness, treatment, and control of diabetes ...

    Abstract Purpose of review: Latin America is the scenario of great inequalities where about 32 million human beings live with diabetes. Through this review, we aimed at describing the current state of the prevalence, awareness, treatment, and control of diabetes mellitus and completion of selected guidelines of care across Latin America and identify opportunities to advance research that promotes better health outcomes.
    Recent findings: The prevalence of diabetes mellitus has been consistently increasing across the region, with some variation: higher prevalence in Mexico, Haiti, and Puerto Rico and lower in Colombia, Ecuador, Dominican Republic, Peru, and Uruguay. Prevalence assessment methods vary, and potentially underestimating the real number of persons with diabetes. Diabetes unawareness varies widely, with up to 50% of persons with diabetes who do not know they may have the disease. Glycemic, blood pressure, and LDL-C control and completion of guidelines to prevent microvascular complications are not consistently assessed across studies, and the achievement of control goals is suboptimal. On the other hand, multiple interventions, point-of-care/rapid assessment tools, and alternative models of health care delivery have been proposed and tested throughout Latin America. The prevalence of diabetes mellitus continues to rise across Latin America, and the number of those with the disease may be underestimated. However, some local governments are embedding more comprehensive diabetes assessments in their local national surveys. Clinicians and public health advocates in the region have proposed and initiated various multi-level interventions to address this enormous challenge in the region.
    MeSH term(s) Blood Glucose ; Diabetes Mellitus/epidemiology ; Diabetes Mellitus/therapy ; Humans ; Latin America/epidemiology ; Outcome Assessment, Health Care ; Prevalence
    Chemical Substances Blood Glucose
    Keywords covid19
    Language English
    Publishing date 2020-10-10
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 2065167-3
    ISSN 1539-0829 ; 1534-4827
    ISSN (online) 1539-0829
    ISSN 1534-4827
    DOI 10.1007/s11892-020-01341-9
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article: Vertical leaping mechanics of the Lesser Egyptian Jerboa reveal specialization for maneuverability rather than elastic energy storage.

    Moore, Talia Y / Rivera, Alberto M / Biewener, Andrew A

    Frontiers in zoology

    2017  Volume 14, Page(s) 32

    Abstract: Background: Numerous historical descriptions of the Lesser Egyptian jerboa, : Results: Jerboas leapt in excess of 10 times their hip height. At the maximum recorded leap height (not the maximum observed leap height), peak moments for metatarso- ... ...

    Abstract Background: Numerous historical descriptions of the Lesser Egyptian jerboa,
    Results: Jerboas leapt in excess of 10 times their hip height. At the maximum recorded leap height (not the maximum observed leap height), peak moments for metatarso-phalangeal, ankle, knee, and hip joints were 13.1, 58.4, 65.1, and 66.9 Nmm, respectively. Muscles acting at the ankle joint contributed the most work (mean 231.6 mJ / kg Body Mass) to produce the energy of vertical leaping, while muscles acting at the metatarso-phalangeal joint produced the most stress (peak 317.1 kPa). The plantaris, digital flexors, and gastrocnemius tendons encountered peak stresses of 25.6, 19.1, and 6.0 MPa, respectively, transmitting the forces of their corresponding muscles (peak force 3.3, 2.0, and 3.8 N, respectively). Notably, we found that the mean elastic energy recovered in the primary tendons of both hindlimbs comprised on average only 4.4% of the energy of the associated leap.
    Conclusions: The limited use of tendon elastic energy storage in the jerboa parallels the morphologically similar heteromyid kangaroo rat,
    Language English
    Publishing date 2017-07-03
    Publishing country England
    Document type Journal Article
    ISSN 1742-9994
    ISSN 1742-9994
    DOI 10.1186/s12983-017-0215-z
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Risk for recurrence of symptomatic upper-extremity deep vein thrombosis in patients without cancer: Analysis of three RIETE cohorts.

    Núñez Fernández, Manuel J / Padín Paz, Emilio M / Vázquez Temprano, Nuria / Nieto Rodríguez, José A / Marchena Yglesias, Pablo J / Imbalzano, Egidio / Montenegro, Ana Cristina / Fernández Jiménez, Begoña / Rivera, Alberto / Espitia, Olivier / Monreal, Manuel

    Vascular medicine (London, England)

    2023  Volume 28, Issue 4, Page(s) 324–330

    Abstract: Background: The natural history of patients with a pacemaker-related upper-extremity deep vein thrombosis (UEDVT) has not been consistently studied.: Methods: We used the RIETE registry data to compare the outcomes during anticoagulation and after ... ...

    Abstract Background: The natural history of patients with a pacemaker-related upper-extremity deep vein thrombosis (UEDVT) has not been consistently studied.
    Methods: We used the RIETE registry data to compare the outcomes during anticoagulation and after its discontinuation in noncancer patients with symptomatic UEDVT associated with a pacemaker, other catheters, or no catheter. The major outcome was the composite of symptomatic pulmonary embolism or recurrent DVT.
    Results: As of February 2022, 2578 patients with UEDVT were included: 156 had a pacemaker-related UEDVT, 557 had other catheters, and 1865 had no catheter. During anticoagulation, 61 patients (2.3%) developed recurrent VTE, 38 had major bleeding (1.4%), and 90 died (3.4%). After its discontinuation, 52 patients (4.4%) had recurrent acute venous thromboembolism (VTE) and six had major bleeding (0.5%). On multivariable analysis, there were no differences among subgroups in the rates of VTE recurrences or major bleeding during anticoagulation. After its discontinuation, patients with a pacemaker-related UEDVT had a higher risk for VTE recurrences than those with no catheter (adjusted OR: 4.59; 95% CI: 1.98-10.6).
    Conclusions: Patients with pacemaker-related UEDVT are at increased risk for VTE recurrences after discontinuing anticoagulation. If our findings are validated in adequately designed trials, this may justify changes in the current recommendations on the duration of anticoagulation.
    MeSH term(s) Humans ; Venous Thromboembolism/etiology ; Risk Factors ; Upper Extremity Deep Vein Thrombosis/diagnostic imaging ; Upper Extremity Deep Vein Thrombosis/etiology ; Venous Thrombosis/diagnosis ; Venous Thrombosis/drug therapy ; Venous Thrombosis/chemically induced ; Pulmonary Embolism/chemically induced ; Hemorrhage/chemically induced ; Neoplasms/complications ; Neoplasms/diagnosis ; Anticoagulants/adverse effects ; Recurrence ; Extremities
    Chemical Substances Anticoagulants
    Language English
    Publishing date 2023-06-05
    Publishing country England
    Document type Journal Article
    ZDB-ID 1311628-9
    ISSN 1477-0377 ; 1358-863X
    ISSN (online) 1477-0377
    ISSN 1358-863X
    DOI 10.1177/1358863X231175185
    Database MEDical Literature Analysis and Retrieval System OnLINE

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