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Osteoimmunology

Index Osteoimmunology

Osteoimmunology (όστέον, osteon from Greek, “bone”; immunitas from Latin, “immunity”; and λόγος, logos, from Greek “study”) is a field that emerged about 40 years ago that studies the interface between the skeletal system and the immune system, comprising the “osteo-immune system”. [1]

28 relations: Bone, Bone marrow, Bone remodeling, Bone resorption, Bone tumor, Cytokine, Dendritic cell, Hematopoietic stem cell, Immune system, Interferon, Interleukin, Interleukin 6, Interleukin-1 family, Macrophage colony-stimulating factor, Myeloid tissue, Osteoarthritis, Osteoblast, Osteoclast, Osteopetrosis, Osteoporosis, Osteoprotegerin, Periodontal disease, RANK, RANKL, Rheumatoid arthritis, Skeleton, T cell, Tumor necrosis factor alpha.

Bone

A bone is a rigid organ that constitutes part of the vertebrate skeleton.

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Bone marrow

Bone marrow is a semi-solid tissue which may be found within the spongy or cancellous portions of bones.

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Bone remodeling

Bone remodeling (or bone metabolism) is a lifelong process where mature bone tissue is removed from the skeleton (a process called bone resorption) and new bone tissue is formed (a process called ossification or new bone formation).

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Bone resorption

Bone reabsorption is resorption of bone tissue, that is, the process by which osteoclasts break down the tissue in bones and release the minerals, resulting in a transfer of calcium from bone tissue to the blood.

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Bone tumor

A bone tumor (also spelled bone tumour) is a neoplastic growth of tissue in bone.

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Cytokine

Cytokines are a broad and loose category of small proteins (~5–20 kDa) that are important in cell signaling.

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Dendritic cell

Dendritic cells (DCs) are antigen-presenting cells (also known as accessory cells) of the mammalian immune system.

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Hematopoietic stem cell

Hematopoietic stem cells (HSCs) are the stem cells that give rise to other blood cells.

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Immune system

The immune system is a host defense system comprising many biological structures and processes within an organism that protects against disease.

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Interferon

Interferons (IFNs) are a group of signaling proteins made and released by host cells in response to the presence of several pathogens, such as viruses, bacteria, parasites, and also tumor cells.

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Interleukin

Interleukins (ILs) are a group of cytokines (secreted proteins and signal molecules) that were first seen to be expressed by white blood cells (leukocytes).

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Interleukin 6

Interleukin 6 (IL-6) is an interleukin that acts as both a pro-inflammatory cytokine and an anti-inflammatory myokine.

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Interleukin-1 family

The Interleukin-1 family (IL-1 family) is a group of 11 cytokines that plays a central role in the regulation of immune and inflammatory responses to infections or sterile insults.

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Macrophage colony-stimulating factor

The colony stimulating factor 1 (CSF1), also known as macrophage colony-stimulating factor (M-CSF), is a secreted cytokine which influences hematopoietic stem cells to differentiate into macrophages or other related cell types.

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Myeloid tissue

Myeloid tissue, in the bone marrow sense of the word myeloid (myelo- + -oid), is tissue of bone marrow, of bone marrow cell lineage, or resembling bone marrow, and myelogenous tissue (myelo- + -genous) is any tissue of, or arising from, bone marrow; in these senses the terms are usually used synonymously, as for example with chronic myeloid/myelogenous leukemia.

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Osteoarthritis

Osteoarthritis (OA) is a type of joint disease that results from breakdown of joint cartilage and underlying bone.

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Osteoblast

Osteoblasts (from the Greek combining forms for "bone", ὀστέο-, osteo- and βλαστάνω, blastanō "germinate") are cells with a single nucleus that synthesize bone.

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Osteoclast

An osteoclast is a type of bone cell that breaks down bone tissue.

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Osteopetrosis

Osteopetrosis, literally "stone bone", also known as marble bone disease, Albers-Schönberg disease is an extremely rare inherited disorder whereby the bones harden, becoming denser, in contrast to more prevalent conditions like osteoporosis, in which the bones become less dense and more brittle, or osteomalacia, in which the bones soften.

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Osteoporosis

Osteoporosis is a disease where increased bone weakness increases the risk of a broken bone.

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Osteoprotegerin

Osteoprotegerin (OPG), also known as osteoclastogenesis inhibitory factor (OCIF) or tumour necrosis factor receptor superfamily member 11B (TNFRSF11B), is a cytokine receptor of the tumour necrosis factor (TNF) receptor superfamily encoded by the TNFRSF11B gene.

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Periodontal disease

Periodontal disease, also known as gum disease, is a set of inflammatory conditions affecting the tissues surrounding the teeth.

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RANK

Receptor activator of nuclear factor κ B (RANK), also known as TRANCE receptor or TNFRSF11A, is a member of the tumor necrosis factor receptor (TNFR) molecular sub-family.

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RANKL

Receptor activator of nuclear factor kappa- ligand (RANKL), also known as tumor necrosis factor ligand superfamily member 11 (TNFSF11), TNF-related activation-induced cytokine (TRANCE), osteoprotegerin ligand (OPGL), and osteoclast differentiation factor (ODF), is a protein that in humans is encoded by the TNFSF11 gene.

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Rheumatoid arthritis

Rheumatoid arthritis (RA) is a long-term autoimmune disorder that primarily affects joints.

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Skeleton

The skeleton is the body part that forms the supporting structure of an organism.

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T cell

A T cell, or T lymphocyte, is a type of lymphocyte (a subtype of white blood cell) that plays a central role in cell-mediated immunity.

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Tumor necrosis factor alpha

Tumor necrosis factor (TNF, tumor necrosis factor alpha, TNFα, cachexin, or cachectin) is a cell signaling protein (cytokine) involved in systemic inflammation and is one of the cytokines that make up the acute phase reaction.

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References

[1] https://en.wikipedia.org/wiki/Osteoimmunology

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