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Jaume Alijotas Reig

Institutions of which they are part

Head of group
Systemic Diseases
Vall Hebron Institut de Recerca

Jaume Alijotas Reig

Institutions of which they are part

Head of group
Systemic Diseases
Vall Hebron Institut de Recerca

Research lines

Proinflammatory cytokines TNF and IL-6 in cellular senescence. A HUVEC aging model.

Cells that are chronically exposed to inflammatory signals are more prone to aging than those which are not exposed to such signals. Human vascular endothelial cell (HUVEC) primary cultures activated with TNF-alpha probably increase the expression of ICAM and VCAM, synthesize ROS, and express senescence markers. It is not known what the principal intracellular pathway is (although it is thought that STAT may play a role) and it is unknown if one or more proinflammatory cytokines are needed to activate NF-KB. We are trying to find out the role that IFN-alpha and/or IL-6 and IL-1B may have on the aging inflammatory phenomena and we aim at detecting the intracellular signal pathways (STAT). We are also working on the characterization of the genes involved in these abnormal biologic responses.

IP: Jaume Alijotas Reig

Immunobiology and immunopathology of recurrent pregnancy loses and spontaneous loses.

Around 2-3% of reproductive-age couples suffer recurrent pregnancy loses. Almost 18% of couples that wish to have children suffer infertility problems. Simultaneously, 2-3% of all pregnant women are diagnosed with spontaneous loses. The expression of HLA molecules, specially type G, the degree of trophoblastic apoptosis, the outsourcing of new neoantigens such as phospholipids, the balance between Th1/Th2/Th3 cytokines, the type and quantity of CD4+CD25+Foxp3+ lymphocytes, the kind and the activity of uterine NK cells (uNK) cells, the presence or absence of blocking antibodies, and other mechanisms play different roles in the achievement of the so-called "tolerant microenvironment" needed to develop a normal pregnancy. Therefore, both autoimmune and alloimmune mechanisms are important. We aim at studying which isolated, and specially associated, anomalies can be identified as risk markers to be able to evaluate possible treatments.

IP: Jaume Alijotas Reig

Endothelial senescence and their pleiotropic effects onto inflamatory processes, inmunological response and angiogenesis.

Identification at the molecular level of pathways and proteins associated with the senescence of endothelial cells linked to aging and inflamatory responses. New candidate targets for therapeutic intervention at the clinical level and as new molecular moieties for nanomedicine approaches to improve aging related pathologies caused by endothelial inflamatory based senescence.

IP: Jaume Alijotas Reig

Immunobiology and immunopathology of recurrent pregnancy loses and spontaneous loses.

Around 2-3% of reproductive-age couples suffer recurrent pregnancy loses. Almost 18% of couples that wish to have children suffer infertility problems. Simultaneously, 2-3% of all pregnant women are diagnosed with spontaneous loses. The expression of HLA molecules, specially type G, the degree of trophoblastic apoptosis, the outsourcing of new neoantigens such as phospholipids, the balance between Th1/Th2/Th3 cytokines, the type and quantity of CD4+CD25+Foxp3+ lymphocytes, the kind and the activity of uterine NK cells (uNK) cells, the presence or absence of blocking antibodies, and other mechanisms play different roles in the achievement of the so-called "tolerant microenvironment" needed to develop a normal pregnancy. Therefore, both autoimmune and alloimmune mechanisms are important. We aim at studying which isolated, and specially associated, anomalies can be identified as risk markers to be able to evaluate possible treatments.

IP: Jaume Alijotas Reig

Projects

Anticuerpos antifosfolipídicos inductores de memoria inmune innata en monocitos como causa de morbilidad obstétrica en el síndrome antifosfolipídico.

IP: Francesc Miro Mur
Collaborators: Jaume Alijotas Reig, José Pardos Gea, Ariadna Anunciacion Llunell
Funding agency: Instituto de Salud Carlos III
Funding: 102500
Reference: PI24/01302
Duration: 01/01/2025 - 31/12/2027

Statin Intervention for Severe Early-Onset Placental Insufficiency: A Randomized Controlled Trial Assessing daily Administration as a Treatment Strategy (STATIN-PRE trial)

IP: Jaume Alijotas Reig
Collaborators: Manel Mendoza Cobaleda, Francesc Miro Mur, Enrique Esteve Valverde, Ariadna Anunciacion Llunell
Funding agency: Fundació La Marató de TV3
Funding: 50625
Reference: 202418-33
Duration: 20/09/2025 - 19/09/2028

Ajuts Grups de Recerca (SGR) 2022

IP: Jaume Alijotas Reig
Collaborators: Moisés Labrador Horrillo, Carmen Pilar Simeón i Aznar, Anna Sala Cunill, Roser Solans Laque, Segundo Bujan Rivas, Mar Guilarte Clavero, Vicenç Fonollosa Pla, Fernando Martínez Valle, Victòria Cardona Dahl, Francesc Miro Mur, Alfredo Guillen Del Castillo, Albert Selva O'Callaghan, José Pardos Gea, Ariadna Anunciacion Llunell
Funding agency: Agència Gestió Ajuts Universitaris i de Recerca
Funding: 0.01
Reference: 2021 SGR 00048
Duration: 01/01/2022 - 30/06/2025

Be Sure genetic test to determine dermal filler implant adverse reactions

IP: Jaume Alijotas Reig
Collaborators: -
Funding agency: CERCA (Centres de Recerca de Catalunya)
Funding: 10000
Reference: 2020-07-010
Duration: 01/01/2019 - 31/12/2020

Related news

A Vall d’Hebron team demonstrates, for the first time, the potential of optical genome mapping to detect genetic alterations associated with this rare disease that are not identified using conventional methods.

The study describes the first documented case worldwide of hereditary angioedema transmission through assisted reproduction.

15 researchers from the Rheumatology, Systemic Diseases and the Physiology and Pathophysiology of the Digestive Tract groups gave around 25 presentations.

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