| Korean J Health Promot > Volume 20(1); 2020 > Article |
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| Pathogen | Subtype | Characteristics | |
|---|---|---|---|
| Adipogenic virus | |||
| Adenovirus [33] | Human: Ad-5, 9, 31, 36, 37 | Ad-5: childhood obesity | |
| Avian: SMAM1 | Ad-36: childhood, adult obesity and BMI | ||
| Phages [21] | Gut phages | Adipogenic gut microbe transfer | |
| Associated human donor | |||
| Herpesvirus [21] | HSV-1, CMV, HHV8 | Increase lipogenesis | |
| Prion (TSEs, slow virus) [17] | Human: KURU | Chronic inflammation | |
| Sheep: scrapie | |||
| Cattle: BSE/CJD | |||
| Other virus [17] | Human: DENV, HIV, HCV | HCV enhance lipid synthesis, insulin resistance | |
| Avian: RAV7 | |||
| Sheep: BDV | DENV: children obesity | ||
| Gut virobiota | Phages, DNA viruses, RNA viruses | Total viral content↑ → firmicutes↓, bacteriodetes↑ [65] | |
| Bacteria | |||
| Chlamydia pneumonia [64] | |||
| Gut microbiota | Bacteroidetes, Firmicutes, Actinobacteria, Proteobacteria | Diversity↓ → obesity [22] | |
| Bacteroidetes/Firmicutes ratio↓ → obesity [23] | |||
| Bacteroides↑: high fat diet | |||
| Prevotella↑: high fiber diet | |||
| Ruminococcus↑: high fat diet [66] | |||
| Parasite | |||
| Toxoplasma gondii, Giadia lambria, Blastocytis | |||
| Drug | |||
| Antibiotics | Macrolide | Child (less than 3 years of age) | |
| Antibiotice → dysbiosis → obesity [16,29-32] | |||
| Helicobacter pylori eradication | Eradication → ghrelin↑ → appetite↑ [15] | ||
Abbreviations: ↑, increase ; →, affect; ↓, decrease; Ad, adenovirus; BDV, Borna disease virus; BMI, body mass index; BSE, Bovine spongiform encephalopathy; CJD, Creutzfeldt-Jakob disease; CMV, cytomegalovirus; DENV, dengue fever virus; HCV, hepatitis C virus; HHV, human herpesvirus; HIV, human immunodeficiency viruses; HSV-1, herpes simplex virus 1; RAV, Rous-associated virus; SMAM, an avian adenovirus from India; TSEs, transmissible Spongioform Encephalopathies.
| Infection | Key relevance to obesity |
|---|---|
| Children | |
| Acute bronchitis | ↑, 5 times in BMI >30 kg/m2 |
| Acute bronchiolitis in infants | ↑, odds ratio: 4.67 |
| Urinary tract infections | Female: ↑ |
| Adults | |
| Community-acquired infections | ↑ |
| Community-acquired pneumonia | ↑ |
| Nosocomial infections | Pneumonia, Clostridium difficile, Sepsis, Wound infection |
| Surgical site infections | ↑ |
| Sepsis | ↑ |
| Infections risk in the ICU setting [47] | ↑ |
| H1N1 influenza | Poor prognosis, higher hospitalizations, secondary infections |
| Periodontal infection | ↑, Porphyromonas gingivalis |
| Recurrent urinary tract infections | ↑, odds ratio: 4.00 (premenopausal women) |
| Response to antimicrobials | ↓, increased dosage |
| Response to vaccines | ↓ (influenza, rabies, hepatitis C vaccine) |
| Parasite infections | ↑, Chagas disease, Malaria, Leishmaniasis |
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