Component
Cell glycosylation response to serum-lot composition
Cell glycosylation response to serum-lot composition. Experimental scope belongs to each linked claim.
1 recorded relationships. Experimental role, claim status and evidence remain attached to each record.
How nutrients influence it
Every nutrient with a recorded effect on this component, credited to the nutrient that acted rather than the chapter that recorded it. Open a nutrient to see the findings and the conditions they were measured under.
Other things that act on it
Enzymes, hormones, genes, and other components with a recorded effect. These are not nutrients, so they do not count toward the arrows above. Each finding names the chapter that recorded it.
How nutrients reach it in more than one step
Chains of two or more recorded steps that end here, grouped by the nutrient they start from. Each step is a separate finding, so a chain is a route a mechanism could take, not proof that it does.
Tracing routes…
What it does
Every recorded relationship this component is part of, grouped by its role. Plain wording comes first; the technical statement follows.
What it acts on
Serum-lot composition changed the severity and manganese responsiveness of TMEM165-knockout glycosylation defects; manganese concentration alone did not explain all differences.
Experimental context and source evidence
- availability_state
- machinery_impairment Imported condition classification; unverified.
- cross_nutrient
- TMEM165 Golgi cation-homeostasis protein (affected_protein); Manganese(II) ion (medium_component)
- evidence_span
- {"source_cache": "artifacts/manganese-glycosylation-sources/serum2020.txt", "locator": "Results; serum comparisons, ion measurements and manganese rescue", "file_sha256": "203365df4c837f50483da9ec16cb0882674cf4903bbda21aa7374205d72ade69", "start_char": 6062, "end_char": 7726, "text_sha256": "9456189117cfb9840785f8afffbb38c52f855aaccc9c03b6fc1d4719550600d4", "text_characters": 1664}
- experimental_model
- TMEM165-knockout HEK cell cultures with different fetal bovine serum lots
- exposure
- Different serum lots; manganese, iron and galactose additions at the stated cellular concentrations.
- limitations
- Serum manganese contributes to the result but is not the sole determinant. These are medium concentrations, not blood thresholds or supplementation regimens.
- nutrient_topic
- Manganese research collection; topical membership is not evidence of a direct dietary effect. · Manganese
- organism
- Homo sapiens
- plain_language
- The same genetic defect behaved differently as the surrounding nutrient mixture changed.
- primary_references
- [mn-gly-serum2020] Fetal bovine serum impacts the observed N-glycosylation defects in TMEM165 KO HEK cells. (2020). https://pubmed.ncbi.nlm.nih.gov/31415112/ DOI: 10.1002/jimd.12161
- tissue_or_cell_type
- Golgi glycosylation in HEK cells
- trigger_kind
- machinery_impairment Imported condition classification; unverified.
Manganese: enzyme cofactors, glycosylation, transport and nutrient interactions (2026-09-17) · lines 838–850
AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · TMEM165-knockout HEK cell cultures with different fetal bovine serum lots · source_derived_draft · unverified_draft
### mn-gly-serum-lot-context Serum-lot composition changed the severity and manganese responsiveness of TMEM165-knockout glycosylation defects; manganese concentration alone did not explain all differences. Condition category: machinery_impairment nutrient_topic: Manganese research collection; topical membership is not evidence of a direct dietary effect. plain_language: The same genetic defect behaved differently as the surrounding nutrient mixture changed. organism: Homo sapiens tissue_or_cell_type: Golgi glycosylation in HEK cells experimental_model: TMEM165-knockout HEK cell cultures with different fetal bovine serum lots limitations: Serum manganese contributes to the result but is not the sole determinant. These are medium concentrations, not blood thresholds or supplementation regimens. exposure: Different serum lots; manganese, iron and galactose additions at the stated cellular concentrations. cross_nutrient: TMEM165 Golgi cation-homeostasis protein (affected_protein); Manganese(II) ion (medium_component) evidence_span: {"source_cache": "artifacts/manganese-glycosylation-sources/serum2020.txt", "locator": "Results; serum comparisons, ion measurements and manganese rescue", "file_sha256": "203365df4c837f50483da9ec16cb0882674cf4903bbda21aa7374205d72ade69", "start_char": 6062, "end_char": 7726, "text_sha256": "9456189117cfb9840785f8afffbb38c52f855aaccc9c03b6fc1d4719550600d4", "text_characters": 1664} [mn-gly-serum2020] Fetal bovine serum impacts the observed N-glycosylation defects in TMEM165 KO HEK cells. (2020). https://pubmed.ncbi.nlm.nih.gov/31415112/ DOI: 10.1002/jimd.12161
Complete structured claim and evidence
The events it takes part in
A mechanism often involves more than two components. These are the full events, with every participant and its role.
Situations it appears in
Low-supply and faulty-machinery situations recorded in the chapters where this component plays a part.
In the sources
Preserved passages that mention this component, quoted exactly. Open one to read it in context.
Open hypotheses
Proposed ideas that involve this component. They are labeled as hypotheses and do not change any recorded statement.
This is a research prototype built from draft material. It is not medical advice, and its statements still await verification against the original studies.