Compositions and methods concern the sequence modification of an endogenous genomic DNA region. Certain aspects relate to a method for site-specific sequence modification of a target genomic DNA region in cells comprising: contacting the cells with an activating composition; transfecting the cells with a transfection composition comprising (a) donor DNA and (b) a DNA digesting agent; wherein the donor DNA comprises: (i) a homologous region comprising nucleic acid sequence homologous to the target genomic DNA region; and (ii) a sequence modification region; and wherein the genomic DNA sequence is modified specifically at the target genomic DNA region.

The present invention provides a method for determining the clinical prognosis of a human subject to the administration of a pharmaceutical composition comprising of stem cells (preferably mesenchymal stem cells), stromal cells, regulatory T-cells, fibroblasts and combinations thereof.

The present invention provides a method for determining the clinical prognosis of a human subject to the administration of a pharmaceutical composition comprising of stem cells (preferably mesenchymal stem cells), stromal cells, regulatory T-cells, fibroblasts and combinations thereof.

Embodiments of the disclosure concern methods and compositions of treating or preventing viral infection, including of SARS-CoV-2, for example. In specific embodiments, one or more adjuvants are delivered to an individual receiving and/or having received fibroblasts and/or fibroblast-derived exosomes. In specific cases, the adjuvants comprise particular peptides, chloroquine and/or hydroxychloroquine, and/or one or more activators of one or more toll like receptors.

Embodiments of the disclosure concern methods and compositions of treating or preventing viral infection, including of SARS-CoV-2, for example. In specific embodiments, one or more adjuvants are delivered to an individual receiving and/or having received fibroblasts and/or fibroblast-derived exosomes. In specific cases, the adjuvants comprise particular peptides, chloroquine and/or hydroxychloroquine, and/or one or more activators of one or more toll like receptors.

Embodiments of the disclosure concern methods and compositions of treating or preventing viral infection, including of SARS-CoV-2, for example. In specific embodiments, one or more adjuvants are delivered to an individual receiving and/or having received fibroblasts and/or fibroblast-derived exosomes. In specific cases, the adjuvants comprise particular peptides, chloroquine and/or hydroxychloroquine, and/or one or more activators of one or more toll like receptors.

A biomaterial including a resorbable porous matrix formed from a material including collagen, and exhibiting an inner volume and an outer surface. Advantageously, the biomaterial includes at least one type of living biological cells of a tissue, disposed in the inner volume and alternatively or complementarily on the surface of the porous matrix. The biomaterial forms a tissue substitute being close to a native tissue, in particular in terms of biological structure present in the tissue, and physiological functions.

A biomaterial including a resorbable porous matrix formed from a material including collagen, and exhibiting an inner volume and an outer surface. Advantageously, the biomaterial includes at least one type of living biological cells of a tissue, disposed in the inner volume and alternatively or complementarily on the surface of the porous matrix. The biomaterial forms a tissue substitute being close to a native tissue, in particular in terms of biological structure present in the tissue, and physiological functions.

A conditioned cell culture medium of cells derived from Spalax or naked mole rat (Heterocephalus glaber) and methods for preparing it are provided. Pharmaceutical compositions comprising the conditioned cell culture medium and its use in the treatment of cancer as well as methods for identifying anti-cancer agents are also provided.

A conditioned cell culture medium of cells derived from Spalax or naked mole rat (Heterocephalus glaber) and methods for preparing it are provided. Pharmaceutical compositions comprising the conditioned cell culture medium and its use in the treatment of cancer as well as methods for identifying anti-cancer agents are also provided.