B4GALT1 / Beta-1,4-galactosyltransferase 1 · IHC design guide

Design Immunohistochemistry for B4GALT1

Plan B4GALT1 IHC in paraffin sections using the granular staining reported in most cells as a reference (HPA tissue IHC). This guide covers fixation, staining controls and interpretation alongside the expected Golgi localization (UniProt).

Evidence assembled Oct 2026 · For research use; verify linked source records and product datasheet before use

Immunohistochemistry protocol sheet for B4GALT1 (IHC for B4GALT1): expected localisation Granular tissue staining (HPA tissue IHC); Golgi expected (UniProt), antibody A03993T1, validated IHC image, and IHC protocol steps — Printable **B4GALT1** IHC protocol sheet — expected localisation Granular tissue staining (HPA tissue IHC); Golgi expected (UniProt), antibody A03993T1, controls and protocol steps. Open the full B4GALT1 IHC guide →

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B4GALT1 Immunohistochemistry Experimental Design Guide

Expected localisation, validated protocols, controls and antibodies — the at-a-glance facts below, then the full design guide.

Must know before staining

	Expected localisation	Granular tissue staining (HPA tissue IHC); Golgi expected (UniProt)
	Staining pattern	Granular staining in most cells (HPA tissue IHC)
	Antigen retrieval	Tris-EDTA pH 9.0 HIER, heat-mediated (datasheet A03993T1)
	Positive control ⓘ	Adrenal gland+4 more · see all
	Negative control ⓘ	Adipose tissue+4 more · see all

Important caveats

Reasons your staining may differ from the expected pattern.

	Fixation	Matched tissue-IHC evidence does not establish the fixation claim. Validate the specimen-specific method before use. (selected-SKU IHC image A03993T1)
	Caveat	A secreted form may complicate cell-associated scoring (UniProt)
	Regulation	No specific expression regulator reported (UniProt)
	Isoform / epitope	2 isoforms; map epitopes to cytoplasmic or lumenal regions (UniProt)

Section 1

Recommended B4GALT1 IHC & IF Protocols

The catalog antibody’s IHC-P protocol is accompanied by three published B4GALT1 IHC protocols (PMC5968541; PMC5078046; PMC10618527).

Recommended immunohistochemistry (IHC-P) protocol parameters
Sample	Paraffin-embedded human tonsil tissue; fixative not specified (datasheet A03993T1)
Fixation	Image fixative and duration unreported (datasheet A03993T1); verify before use.
Sectioning	4–5 µm sections on charged slides (standard)
Deparaffinisation	Xylene, graded ethanol series to water (standard)
Antigen retrieval	Heat retrieval: Tris-EDTA pH 9.0 (datasheet A03993T1); 20 min, 95–100 °C (standard)
Peroxidase block	3% H2O2, 10 min, room temperature (standard)
Blocking	10% normal serum of the secondary host, 30 min, room temperature (standard)
Primary antibody	Rabbit anti-B4GALT1, 1:100-1:300 (datasheet A03993T1)
Primary incubation	Overnight at 4 °C (standard)
Detection	HRP-polymer secondary, DAB chromogen 5–10 min (standard)
Counterstain	Hematoxylin, blue, dehydrate and mount (standard)
Expected result	B4GALT1-positive staining in glandular cells of adrenal gland (HPA tissue IHC: High). HPA tissue profile: Distinct expression with a granular pattern in most cells. No signal in the no-primary control.

💡Decision noteStart with heat-mediated Tris-EDTA retrieval at pH 9.0 (datasheet: A03993T1). The cited excerpts do not report retrieval conditions (PMC5968541; PMC5078046; PMC10618527).

Section 2

What Is the Expected B4GALT1 Staining Pattern?

B4GALT1 is a Golgi stack membrane protein with a luminal catalytic region; UniProt also lists cell surface and secreted locations (UniProt P15291 topology and subcellular location). In tissue IHC, expect granular staining in many cells, including strong staining in several glandular epithelia and bronchial basal cells (HPA tissue IHC). HPA rates the tissue staining reliability Enhanced, while noting medium consistency with RNA expression (HPA tissue IHC).

What am I looking at on my slide?
Discrete granular staining in colon or duodenal glandular cells, with a concentrated intracellular pattern (HPA: High in these cells; HPA: granular pattern in most cells).	This fits the observed tissue pattern and the expected Golgi enrichment (HPA tissue IHC; UniProt P15291 subcellular location). Judge the stained cell population and pattern together; intensity alone cannot establish the compartment in a chromogenic section (standard IHC interpretation).
Predominantly nuclear or uniformly diffuse cytoplasmic staining, without a discernible granular component.	This conflicts with the reported Golgi and granular pattern (UniProt P15291 subcellular location; HPA tissue IHC). Consider background or an antibody-specific artefact; inspect cellular detail and controls before calling the section positive (standard IHC practice).
Strong staining of adipocytes, cardiomyocytes, or skeletal myocytes.	HPA reports these specific cell populations as Not detected (HPA tissue IHC). Treat conspicuous staining there as a possible cross-reactive signal or endogenous detection activity, and compare it with a negative reagent control; the HPA result does not rule out every cell in those tissues (standard IHC interpretation).
Broad, hazy color across cells and extracellular areas, with little difference between positive and control sections.	A field-wide signal lacks the distinct cellular granularity reported for B4GALT1 (HPA tissue IHC). Background from detection chemistry or insufficient blocking is plausible; assess the control section before assigning staining to the target (standard IHC practice).
No staining in glandular cells of an otherwise interpretable colon or duodenum section.	These are HPA High cell populations, so an absent signal warrants checking assay performance (HPA tissue IHC). A single negative section does not establish target absence; review tissue preservation, retrieval, antibody application, detection, and a concurrently stained positive control (standard IHC practice).

💡Expected B4GALT1 appearanceCall a section positive when glandular cells show clear granular intracellular staining, potentially strong in colon or duodenum (HPA: High; HPA: granular pattern); isolated nuclear color or diffuse field-wide color is discordant with Golgi localization (UniProt P15291 subcellular location; standard IHC interpretation).

How each factor affects the staining
Cell type and tissue context	HPA records High staining in glandular cells of adrenal gland, appendix, cervix, colon, duodenum, endometrium, and epididymis, and in bronchial basal cells (HPA tissue IHC). Its Not detected calls apply to the named cell populations, rather than every cell in an entire organ (HPA tissue IHC).
Golgi topology and compartment	B4GALT1 has a transmembrane segment at residues 25–44, a cytoplasmic segment at 1–24, and a luminal segment at 45–398 (UniProt P15291 topology). These annotations support an intracellular Golgi interpretation; they do not identify the epitope recognized by an unspecified antibody (UniProt P15291 topology).
Additional protein locations	UniProt also annotates cell membrane, cell surface, filopodium, and secreted locations (UniProt P15291 subcellular location). Limited peripheral staining may therefore merit review alongside the granular signal; a widespread surface-only pattern would not match HPA’s dominant tissue description (HPA tissue IHC).
Isoforms and processing	UniProt lists Long and Short isoforms and a processed B4GALT1 form (UniProt P15291 isoforms and processing). Without an antibody epitope or isoform-specific validation in this payload, their relative contributions to an IHC signal cannot be assigned; avoid reading staining differences as isoform changes.
Tissue evidence and antibody validation	HPA calls tissue staining Enhanced but reports only medium consistency with RNA expression; its RNA classification is low tissue specificity (HPA tissue IHC). Two listed antibodies, HPA010806 and HPA010807, each have Enhanced IHC status (HPA antibodies). These summaries support the reported pattern, not a claim that every specimen will stain equally.
IF/ICC: what pattern should appear?	A Golgi-localized signal is expected in ICC-IF (HPA subcellular: Golgi apparatus, Enhanced). This is a localization cross-check for interpreting IHC granularity, not an IHC protocol option; the HPA ICC-IF finding does not specify an IHC dilution or retrieval condition (HPA subcellular).

Why is my staining missing, weak or wrong?
Situation	Likely cause	Next action
High-background section obscures cell boundaries or granules.	Detection reagent activity, inadequate blocking, or excessive antibody exposure can produce nonspecific color (standard IHC practice).	Compare a negative reagent control and reduce the source of background according to the assay controls; score B4GALT1 only where a distinct cellular granular pattern remains (HPA tissue IHC; standard IHC practice).
Expected glandular cells are unstained in colon or duodenum.	These populations are reported High, so a failed staining run or an unsuitable section is possible (HPA tissue IHC; standard IHC practice).	Check a concurrent known-positive section, tissue integrity, retrieval execution, antibody application, and detection reagents (standard IHC practice). No target-specific fixation sensitivity is established by the supplied HPA or UniProt records.
Nuclei stain strongly while granular cytoplasmic signal is absent.	A nuclear-dominant pattern conflicts with the reported Golgi location (HPA subcellular; UniProt P15291 subcellular location).	Inspect the counterstain and negative reagent control, then assess whether the chromogen can be distinguished from nuclear color; do not score nuclear color alone as B4GALT1 (standard IHC practice).
Adipocytes, cardiomyocytes, or myocytes are strongly positive.	HPA calls these specific cells Not detected; cross-reactivity or endogenous detection activity is possible (HPA tissue IHC; standard IHC practice).	Compare the same cell type in a negative reagent control and check whether the stain has the expected granular distribution (HPA tissue IHC; standard IHC practice). If discordance persists, verify with an independently validated antibody.
A weak or negative brain section is being used to reject the assay.	UniProt reports very low expression in fetal and adult brain; HPA reports low neuronal staining in cerebral cortex and Not detected staining in several listed brain cell populations (UniProt P15291 tissue specificity; HPA tissue IHC).	Use a reported High glandular population as the positive performance check, and interpret the sampled brain cell type against its own HPA entry (HPA tissue IHC; standard IHC practice).
Staining is mainly peripheral, with little granular intracellular color.	Surface localization is annotated, but a predominantly peripheral pattern differs from HPA’s granular tissue profile (UniProt P15291 subcellular location; HPA tissue IHC).	Review morphology, background controls, and a reported High glandular population before scoring; record peripheral staining separately if reproducible (standard IHC practice).

Source: UniProt P15291 Human Protein Atlas tissue Human Protein Atlas subcellular

Experiment evidence

IHC & IF images showing B4GALT1 staining

Immunohistochemical analysis of paraffin-embedded human tonsil. 1, Antibody was diluted at 1:200 (4° overnight). 2, Tris-EDTA, pH9.0 was used for antigen retrieval. 3, Secondary antibody was diluted at 1:200 (room temperature, 30min).

A03993T1 · IHCImmunohistochemical analysis of paraffin-embedded human tonsil. 1, Antibody was diluted at 1:200 (4° overnight). 2, Tris-EDTA, pH9.0 was use

HPA · Cerebral cortexHuman Protein Atlas IHC, Cerebral cortex. Source: https://www.proteinatlas.org/ENSG00000086062-B4GALT1/tissue/cerebral+cortex#imid_2885396

HPA · ColonHuman Protein Atlas IHC, Colon. Source: https://www.proteinatlas.org/ENSG00000086062-B4GALT1/tissue/colon#imid_2885330

HPA · LiverHuman Protein Atlas IHC, Liver. Source: https://www.proteinatlas.org/ENSG00000086062-B4GALT1/tissue/liver#imid_2885331

HPA · KidneyHuman Protein Atlas IHC, Kidney. Source: https://www.proteinatlas.org/ENSG00000086062-B4GALT1/tissue/kidney#imid_2885316

HPA · ICC-IF HeLaHuman Protein Atlas immunofluorescence, HeLa, antibody HPA010806; green = B4GALT1, blue = nucleus, red = microtubules.

← swipe / scroll for more images →

Real IHC / IF data behind the staining-pattern expectations in this section.

Sample controls for B4GALT1 IHC & IF

🧪Run colon first: glandular cells should stain (HPA: High in colon glandular cells). Use adipose tissue as a low-expression comparator (HPA: adipocytes Not detected); on the colon slide, unstained neighboring cells, if present, provide an internal background reference, but their B4GALT1 status is not established by the supplied HPA row.

Positive control tissue: Adrenal gland (Glandular cells, HPA High)

Negative control tissue: Adipose tissue (HPA Not detected)

ICC-IF cell lines (HPA subcellular resource): HPA ICC-IF images show B4GALT1 in HeLa, SiHa, A-431, U-251MG, U2OS, with annotated localisation: Golgi apparatus (enhanced) (HPA subcellular).

Technical controls: Include a no-primary, secondary-only control and a host- and isotype-matched IgG control for a monoclonal primary, or host-matched nonimmune IgG for a polyclonal primary (standard IHC practice). Confirm specificity with a B4GALT1 knockout specimen if available, or peptide competition when the immunizing peptide is known; quench endogenous peroxidase for chromogenic detection and assess glandular luminal background in colon (standard IHC practice).

⚠️Feasibility: A target-specific fixation window or fixation effect is unreported, and the selected paraffin-section caption does not state a fixative (A03993T1 caption: fixative not stated). The caption documents Tris-EDTA retrieval at pH 9.0 and primary antibody at 1:200 overnight at 4°C, but does not establish that retrieval is required (A03993T1 caption). Whether frozen sections or IF are easier is unreported; ICC-IF images show Golgi localization, while colon glandular luminal material warrants background assessment in IHC (HPA subcellular: Golgi apparatus; standard IHC practice).

HPA tissue IHC evidence for B4GALT1

Comprehensive Human Protein Atlas IHC scoring per tissue (reliability: Enhanced — Medium consistency between antibody staining and RNA expression data.). Rows are taken directly from the HPA tissue chart — click any row's HPA link to view the source.

Positive expression · recommended positive controls

Tissue	Cell type	Level	Evidence	Source
Adrenal gland	Glandular cells	High	Protein (IHC)	HPA →
Appendix	Glandular cells	High	Protein (IHC)	HPA →
Bronchus	Basal cells	High	Protein (IHC)	HPA →
Cervix	Glandular cells	High	Protein (IHC)	HPA →
Colon	Glandular cells	High	Protein (IHC)	HPA →

Undetected expression · recommended negative controls

Tissue	Cell type	Level	Evidence	Source
Adipose tissue	Adipocytes	Not detected	Protein (IHC)	HPA →
Caudate	Glial cells	Not detected	Protein (IHC)	HPA →
Cerebellum	Cells in granular layer	Not detected	Protein (IHC)	HPA →
Heart muscle	Cardiomyocytes	Not detected	Protein (IHC)	HPA →
Hippocampus	Glial cells	Not detected	Protein (IHC)	HPA →

Section 3

Advanced B4GALT1 IHC Tips

Troubleshoot B4GALT1 staining by checking retrieval, compartment pattern, controls and scoring before interpreting changes in chromogenic signal.

Which retrieval condition should I start with for B4GALT1 paraffin sections?

Start with heat-mediated Tris-EDTA at pH 9.0 for paraffin sections (datasheet A03993T1). The selected tonsil image used this retrieval with primary antibody at 1:200 overnight at 4°C (caption A03993T1). If staining is weak, compare a standard citrate buffer at pH 6.0 on adjacent sections while keeping detection and imaging conditions fixed (standard IHC practice). Score recovery in the expected granular cellular pattern (HPA tissue IHC) alongside tissue integrity, because excessive heating can damage morphology (standard IHC practice). Retain a no-primary control to distinguish recovered signal from retrieval-associated background (standard IHC practice).

How should I troubleshoot weak staining when fixation history is uncertain?

B4GALT1-specific sensitivity to fixation is unknown from the supplied evidence; the selected tonsil caption identifies paraffin embedding but does not state a fixative (caption A03993T1). Record the actual fixative and fixation time for each specimen, then compare sections processed under matched retrieval and detection conditions (standard IHC practice). Start with Tris-EDTA at pH 9.0 and the documented 1:200 primary dilution before varying one processing step at a time (datasheet A03993T1; caption A03993T1). Include a known staining tissue, such as colon glandular cells (HPA: High in colon glandular cells), so weak sample signal can be assessed against the same run.

What staining pattern supports B4GALT1 localisation in tissue?

Expect granular intracellular staining in many cells (HPA tissue IHC), consistent with B4GALT1 localisation to Golgi stacks (UniProt P15291 subcellular location). Compare the signal with cellular boundaries and the counterstained nucleus; a compact juxtanuclear pattern is more persuasive than uniform nuclear colour (HPA subcellular: Golgi apparatus; standard IHC interpretation). Cell-surface staining can also be biologically plausible (UniProt P15291 subcellular location), but diffuse edge staining needs no-primary and tissue-edge checks (standard IHC practice). Use adjacent sections and identical development times when comparing patterns; the tonsil image documents 1:200 primary antibody overnight at 4°C (caption A03993T1).

Can this stain distinguish B4GALT1 isoforms or extracellular from Golgi protein?

Do not assign the Long or Short isoform from this stain alone: both are annotated, but the supplied antibody evidence does not define isoform-specific recognition (UniProt P15291 isoforms; caption A03993T1). B4GALT1 spans the membrane at residues 25–44, with residues 1–24 cytoplasmic and 45–398 lumenal (UniProt P15291 topology). Request the catalog antibody's immunogen or epitope details before inferring which side of the membrane it detects (standard IHC interpretation). A processed form and glycosylation at residue 113 are annotated (UniProt P15291 processing and glycosylation); neither establishes which molecular form contributes to chromogenic staining. Compare localisation with a validated compartment marker if that distinction matters (standard IHC practice).

How can I use IF to investigate an ambiguous chromogenic pattern?

Use IF as a separate corroboration experiment, since the selected antibody evidence describes paraffin-section IHC rather than an IF protocol (caption A03993T1). Multiplex B4GALT1 with a marker that identifies the cell type being scored, and, when localisation is the question, add a Golgi marker (HPA subcellular: Golgi apparatus; standard IF practice). Choose fluorophores after inspecting unstained tissue autofluorescence, reserving a clean detection channel for the weaker signal (standard IF practice). Set permeabilisation according to the antibody epitope: residues 1–24 are cytoplasmic, whereas residues 45–398 are lumenal (UniProt P15291 topology). Verify the epitope first and include single-colour controls before interpreting overlap (standard IF practice).

How do I reduce diffuse chromogenic background without losing granular signal?

First compare a no-primary section with the stained section and inspect tissue edges, folds and damaged areas (standard IHC practice). For peroxidase-based detection, apply an appropriate endogenous peroxidase block, protein block and thorough washes before judging DAB colour (standard IHC practice). The documented tonsil image used primary antibody at 1:200 overnight at 4°C and secondary antibody at 1:200 for 30 minutes at room temperature (caption A03993T1). If background persists, titrate antibody concentration and development time on matched sections, preserving the granular pattern reported across many cells (HPA tissue IHC).

What should I score when comparing B4GALT1 staining across sections? ⚠ ANSWER MARKED FOR VERIFICATION

Define the cellular compartment and cell population before scoring; B4GALT1 shows a granular pattern in most cells (HPA tissue IHC) and Golgi localisation (HPA subcellular). For a mixed tissue, report the percentage of positive cells and an H-score within the same annotated cell type (standard IHC scoring practice). If counting discrete positive cells, report density per mm² of viable tissue and the area analysed (standard IHC scoring practice). Normalise comparisons to the same cell type, viable area, staining run and exposure or DAB development conditions (standard IHC practice). Use glandular cells with high staining as a run reference when appropriate (HPA: High in colon glandular cells).

Which observations favour genuine B4GALT1 signal over staining artefact?

A granular cellular pattern supports the reported tissue distribution (HPA tissue IHC), especially when it aligns with Golgi localisation (HPA subcellular: Golgi apparatus). Signal in a reported high-staining population, such as appendix glandular cells (HPA: High in appendix glandular cells), is more interpretable than isolated colour at section edges (standard IHC interpretation). Treat uniform nuclear colour, necrotic regions and edge-restricted staining as reasons to inspect morphology and controls (standard IHC practice). Compare no-primary and peroxidase-block controls before attributing DAB deposition to B4GALT1 (standard IHC practice). Interpret a negative sample cautiously: HPA reports medium consistency between staining and RNA data (HPA tissue IHC reliability description).

Boster reagents

Best B4GALT1 / Beta-1,4-galactosyltransferase 1 IHC Antibodies

A03993T1 has an IHC image from paraffin-embedded human tonsil (IHC image caption); IF is listed without an IF image (catalog applications; IF image alts). Human and mouse reactivity are listed (catalog reactivity).

Real IHC data Immunohistochemical analysis of paraffin-embedded human tonsil. 1, Antibody was diluted at 1:200 (4° overnight). 2, Tris-EDTA, pH9.0 was used for antigen retrieval. 3, Secondary antibody was diluted at 1:200 (room temperature, 30min).

Anti-beta-1,4-Gal-T1 B4GALT1 Antibody

Cat # A03993T1

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A03993T1 will render with its own IHC image of paraffin-embedded human tonsil (IHC image caption). A03993T1 is listed for IHC and IF in human and mouse, but no IF image or mouse sample is provided (catalog applications; catalog reactivity; IF image alts; IHC image caption).

Which to pick: Choose A03993T1 for paraffin-section IHC: its human tonsil image used 1:200 primary antibody overnight at 4°C with Tris-EDTA retrieval at pH 9.0 (IHC image caption). For IF/ICC, A03993T1 lists IF at 1:50, but provides no IF image or ICC validation (catalog dilution; IF image alts; catalog applications). For human or mouse samples, A03993T1 lists both species and has a rabbit host with no clone specified; the IHC image documents human tissue only, and its fixative is unreported (catalog reactivity; catalog host; catalog clone; IHC image caption).

Each figure is that product's own IHC / IF validation image from its datasheet.

References

UniProt Consortium. UniProt entry P15291 (B4GT1_HUMAN, Beta-1,4-galactosyltransferase 1).
Human Protein Atlas. B4GALT1 tissue IHC expression (reliability: Enhanced).
Human Protein Atlas. B4GALT1 subcellular location (ICC-IF): Localized to the Golgi apparatus..
Human Protein Atlas. B4GALT1 antibody validation summary (2 antibodies).
B4GALT1 expression predicts prognosis and adjuvant chemotherapy benefits in muscle-invasive bladder cancer patients. BMC cancer 2018 — PMC5968541.
Increased B4GALT1 expression associates with adverse outcome in patients with non-metastatic clear cell renal cell carcinoma. Oncotarget 2016 — PMC5078046.
Decreased B4GALT1 promotes hepatocellular carcinoma cell invasiveness by regulating the laminin-integrin pathway. Oncogenesis 2023 — PMC10618527.
B4GALT1 promotes immune escape by regulating the expression of PD-L1 at multiple levels in lung adenocarcinoma. Journal of experimental & clinical cancer research : CR 2023 — PMC10259029.
PubMed PMID:3144273 — UniProt-cited evidence.
PubMed PMID:2124683 — UniProt-cited evidence.
PubMed PMID:1903938 — UniProt-cited evidence.