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Results: 5

1.

Infection

Invasion of the host organism by microorganisms that can cause pathological conditions or diseases. [from MeSH]

MedGen UID:
811352
Concept ID:
C3714514
Pathologic Function
2.

Infection

Unknown contamination with disease-producing germs. [from HHCC]

MedGen UID:
43874
Concept ID:
C0021311
Disease or Syndrome
3.

Communicable Diseases

Infectious diseases kill more people worldwide than any other single cause. Infectious diseases are caused by germs. Germs are tiny living things that are found everywhere - in air, soil and water. You can get infected by touching, eating, drinking or breathing something that contains a germ. Germs can also spread through animal and insect bites, kissing and sexual contact. Vaccines, proper hand washing and medicines can help prevent infections. . There are four main kinds of germs: : - Bacteria - one-celled germs that multiply quickly and may release chemicals which can make you sick. - Viruses - capsules that contain genetic material, and use your own cells to multiply. - Fungi - primitive plants, like mushrooms or mildew . - Protozoa - one-celled animals that use other living things for food and a place to live. NIH: National Institute of Allergy and Infectious Diseases.  [from MedlinePlus]

MedGen UID:
1057
Concept ID:
C0009450
Disease or Syndrome
4.

cathelicidin antimicrobial peptide

MedGen UID:
97873
Concept ID:
C0391752
Pharmacologic Substance
5.

Formyl Peptide Receptor 1 Signaling Pathway

Neutrophils respond to bacterial infection by releasing reactive oxygen species that kill bacteria and by expressing chemokines that attract other immune cells to the site of infection. The multisubunit enzyme NADPH oxidase, expressed by neutrophils, produces reactive oxygen species that are rapidly released in what is known as the respiratory burst. Activity of the NADPH oxidase is induced by fMLP receptor ligands, formylated peptides from bacteria. The fMLP receptor is a G-protein coupled receptor, FPR-1, that activates Map kinase pathways and phospholipase C. Phospholipase C activation releases IP3 and calcium, activating protein kinase C and also activating the transcription factor NFAT, which contributes to activation of chemokine genes. One of the components of the NADPH oxidase is p47phox. PKC activation phosphorylates p47phox to activate NADPH oxidase activity. Activation of Map kinase cascades leads to Erk1/Erk2 dependent p47phox phosphorylation as well as activation of the Elk-1 transcription factor and chemokine gene expression. Inhibition of p38 did not affect p47phox phosphorylation, indicating that p38 is not involved in Erk1/2 activation of the NADPH oxidase. Inhibition of p38 did inhibit NADPH oxidase though, indicating that other pathways contribute to activation of this enzyme. [from NCI]

MedGen UID:
273338
Concept ID:
C1517299
Molecular Function

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