The genome-wide expression data of murine podocytes, mesangial, and endothelial cells were obtained from http://www.gudmap.org/ . The identifications of data sets that have been utilized in our study are listed in Supplemental Table 5. The detailed protocol of data generation is described in a recently published paper by Brunskill et al. (2011) (link) and can also be found in our Supplemental Methods. We preprocessed and normalized data as described in Microdissected Human Kidney Data. By comparing the expression level in podocytes versus the other two major cell types in glomeruli, we define a gene to be podocyte-specific if its expression in podocytes is 4.76-fold over mesangial cells and 4.65-fold over glomerular capillary endothelial cells. The cut-off values represent three standard deviations of the average difference between podocytes and mesangial/endothelial cell transcripts, respectively. By use of HomoloGene from NCBI Entrez (Maglott et al. 2011 (link)), 102 murine genes could be mapped to their Homo sapiens ortholog (Supplemental Table 6).
Mesangiums, Glomerular
Mesangiums, Glomerular: The mesangium is a specialized region within the glomerulus of the kidney.
It consists of mesangial cells and their surrounding extracellular matrix.
The mesangium plays a crucial role in regulating glomerular filtration and maintaining the structural integrity of the glomerulus.
Understanding the biology and pathology of the mesangium is important for the study of various kidney diseases, such as glomerulonephritis and diabetic nephropathy.
Reserchers can leverage PubCompare.ai's AI-powered platform to optimize their research protocols focused on this key component of the renal glomerulus.
It consists of mesangial cells and their surrounding extracellular matrix.
The mesangium plays a crucial role in regulating glomerular filtration and maintaining the structural integrity of the glomerulus.
Understanding the biology and pathology of the mesangium is important for the study of various kidney diseases, such as glomerulonephritis and diabetic nephropathy.
Reserchers can leverage PubCompare.ai's AI-powered platform to optimize their research protocols focused on this key component of the renal glomerulus.
Most cited protocols related to «Mesangiums, Glomerular»
Capillary Endothelial Cells
Cells
Endothelial Cells
Endothelium
Genes
Genome
Homo sapiens
Kidney
Kidney Glomerulus
Mesangial Cells, Kidney
Mesangiums, Glomerular
Mus
Podocytes
Animals
Fibrosis
Formalin
Heart
Kidney
Kidney Glomerulus
Mesangiums, Glomerular
Paraffin
Periodic Acid
Schiff's reagent
Tissue Stains
A subset of subjects underwent percutaneous kidney biopsy at the end of the treatment period to determine whether treatment with losartan was associated with structural differences. Baseline kidney biopsies were not performed because of safety concerns. Tissue was processed and embedded in epoxy resin (Epon 812) and prepared for microscopy as described previously (12 (link)). Light and electron microscopy were performed either in the Beckman Center for Electron Microscopy at Stanford University or in the Division of Nephrology at the University of Minnesota. Digital light and electron micrographs were used to make measurements using formal stereologic methods to account for two-dimensional sampling of three-dimensional objects (13 ). Predefined morphometric variables included glomerular volume, percent globally sclerotic glomeruli, fractional interstitial area, mesangial fractional volume, filtration surface area density, glomerular basement membrane width, number of endothelial cells, mesangial cells and podocytes per glomerulus, filtration slit frequency, and foot process width (12 (link),14 (link)–16 (link)).
Biopsy
Electron Microscopy
Electrons
Endothelium
Epon 812
Epoxy Resins
Filtration
Fingers
Foot
Glomerular Basement Membrane
Kidney
Kidney Glomerulus
Losartan
Mesangial Cells, Kidney
Mesangiums, Glomerular
Microscopy
Percutaneous Administration
Podocytes
Safety
Sclerosis
Tissues
Biotin
Capillaries
Cardiac Arrest
CD4 Positive T Lymphocytes
Cells
Cloning Vectors
Complex, Immune
Eosin
Fluorescein-5-isothiocyanate
Formalin
Frozen Sections
Glomerulonephritis
Hyalin Substance
Hyperplasia
IgG2A
Inflammation
Kidney
Kidney Glomerulus
Macrophage
Mesangial Cells, Kidney
Mesangiums, Glomerular
Periodic Acid
Peroxidase
Peroxide, Hydrogen
Scapula
Sclerosis
Skin
Sodium Azide
Streptavidin
Kidney (4 mm) was fixed in 10% formalin, paraffin embedded, and stained with Periodic acid–Schiff (PAS) stain (Sigma-Aldrich) for the semi-quantitative evaluation21 (link),22 (link). Glomerular injury was determined by percentage of moderate-severe glomerular injury (mesangial expansion >50%, crescentic formation and/or glomerulosclerosis) at 400x magnification and interstitial injury was semi-quantitatively estimated at 200x magnification using 10 randomly selected fields by the criteria of damage-area (cell infiltration, interstitial edema and tubular injuries) as following: 0, <5% area; 1, 5–10% area; 2, 10–25% area; 3, 25–50% area; and 4, >50% area. The immune complex deposition in glomeruli was visualized by immunofluorescence prepared in Cryogel (Leica Biosystems, Richmond, IL, USA), stained with goat anti-mouse IgG (Alexa Fluor 488, Abcam, Cambridge, MA, USA) and detected by ZEISS LSM 800 (Carl Zeiss, Germany). Spleen apoptosis was detected by immunohistochemistry with anti-active caspase 3 antibody (Cell Signaling Technology, Beverly, MA, USA) (expressed as positive cells per high-power field)22 (link) and flow cytometry. The fluorochrome-conjugated antibodies against different molecules were used including; i) apoptosis indicators, annexin V and propidium iodide (PI), ii) B220 (B cell) and iii) F4/80 (macrophage) (BioLegend, San Diego, CA, USA) with FlowJo software23 (link).
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alexa fluor 488
Annexin A5
anti-IgG
Antibodies
Antibodies, Anti-Idiotypic
Apoptosis
B-Lymphocytes
Caspase 3
Cells
Complex, Immune
Cryogels
Edema
Flow Cytometry
Fluorescent Dyes
Formalin
Goat
Immunofluorescence
Immunohistochemistry
Injuries
Kidney
Kidney Glomerulus
Macrophage
Mesangiums, Glomerular
Mus
Paraffin
Periodic Acid
Propidium Iodide
Spleen
Most recents protocols related to «Mesangiums, Glomerular»
Sections of 4–5 µm thickness were processed for immunohistochemistry as described by [30 (link)]. Briefly, the sections were deparaffinized, rehydrated, and rinsed in tap water. Then the slides were embedded in 3% hydrogen peroxide for 10 minutes, immersed in antigen retrieval solution and later blocking of nonspecific protein binding was done by incubation in 10% normal goat serum in PBS for 1 hours at room temperature. The slides were incubated with the diluted primary antibody against α- smooth muscle actin (Rabbit Polyclonal antibody, Cat: RB-9010-P0; Lab-Vision, Fremont, CA, USA) at dilution of 1:200 for 2 hours to identify mesangial cell proliferation in paraffin sections.
Actins
Antigens
Cardiac Arrest
Cell Proliferation
Goat
Immunoglobulins
Immunohistochemistry
Mesangiums, Glomerular
Paraffin
Peroxide, Hydrogen
Rabbits
Serum
Smooth Muscles
Technique, Dilution
Vision
Kidney tissues were fixed in formalin, and the paraffin blocks were sliced into 4 µm sections. The kidney section was stained with PAS stain Kit (395B, Sigma-Aldrich) or H&E staining Kit (ab245880, Abcam, Cambridge, MA). Glomeruli area and mesangial matrix area were observed under a digital microscope. The mesangial matrix index was calculated by 100 × mesangial matrix area/glomeruli area. For assessing H&E staining results, the following factors were used to estimate tubulointerstitial lesions for HE staining: a, atrophy, expansion, and casts of tubules; b, tubulointerstitial fibrosis and infiltration of inflammatory cells. The specific grades varied from zero to four points: zero for no changes, one for changes of 25% or less in the section, two for changes of 25–50%, three for changes of 50–75%, and four for changes of 75–100%.
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Atrophy
CD3EAP protein, human
Cells
Fibrosis
Formalin
Inflammation
Kidney
Kidney Glomerulus
Mesangiums, Glomerular
Microscopy
Paraffin
Stains
Tissues
The SPGJ procedure is illustrated in Figure 1 . A separate part of the stomach at the junction of the gastric corpus and antrum or about 5 cm from the upper edge of the tumor with a linear stapler, leaving the 2–3 cm wide gastric corpus near the lesser curvature. Cut an opening at the margin of the greater curvature of the proximal stomach. Cut another opening on the opposing mesangial limbus of the jejunum 5–10 cm away from the ligament of flexion. Then a linear stapler is inserted, and the greater curvature and the jejunum are side-to-side anastomosed at the back of the colon. The opening was closed by continuous suture with barbed wire.
The CGJ procedure is illustrated inFigure 2 . Cut an opening at the lowermost point of the greater curvature or about 5 cm from the upper edge of the tumor. Cut another opening on the opposing mesangial limbus of the jejunum 5–10 cm away from the ligament of flexion. Then a linear stapler is inserted, and the greater curvature and the jejunum are side-to-side anastomosed at the back of the colon. The opening was closed by continuous suture with barbed wire.
The CGJ procedure is illustrated in
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Antral
CM 2-3
Colon
Jejunum
Ligaments
Mesangiums, Glomerular
Neoplasms
Stomach
Sutures
Renal biopsy specimens were collected via percutaneous needle biopsy. Paraffin-embedded 3-μm thick sections of renal specimens were stained with periodic acid Schiff, silver methenamine, and Masson trichrome. For the immunofluorescence analysis, frozen sections were subjected to fluorescence by fluorescein-conjugated goat IgG fraction to human IgG (F110FC, American Qualex, San Clemente, CA, USA), fluorescein-conjugated goat IgG fraction to human IgA (55077, MP Biomedicals, Solon, OH, USA), fluorescein-conjugated goat IgG fraction to human IgM (55153, MP Biomedicals), fluorescein-conjugated goat IgG fraction to human C3 (55167, MP Biomedicals), fluorescein-conjugated rabbit anti-human C1q (F0254, DAKO Japan Inc., Kyoto, Japan), and fluorescein-conjugated goat IgG fraction to human fibrinogen (55169, MP Biomedicals). IgAN or IgA vasculitis was diagnosed on the basis of mesangial cell proliferation in light microscopic findings, mesangial IgA deposition in immunofluorescence findings, and mesangial electron dense deposits in electron microscopic findings. Histological findings were evaluated according to the Oxford classification [39 (link)–41 (link)]. The Oxford classification of IgAN includes the following five histological variables: mesangial hypercellularity (M0/M1 lesion), segmental glomerulosclerosis (S0/S1 lesion), endocapillary hypercellularity (E0/E1 lesion), tubular atrophy/interstitial fibrosis (T0/T1/T2 lesion), and crescents (C0/C1/C2 lesion) [41 (link)]. We compared the renal histology in the cnm-positive S. mutans group with that in the cmn-negative S. mutans group using the Oxford classification in a blind test.
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Atrophy
Biopsy
Blindness
Electron Microscopy
Fibrinogen
Fibrosis
Fluorescein
Fluorescence
Fluorescent Antibody Technique
Frozen Sections
Goat
Henoch-Schoenlein Purpura
Homo sapiens
Hyperplasia
IGA Glomerulonephritis
Kidney
Light Microscopy
Mesangial Cells, Kidney
Mesangiums, Glomerular
Paraffin Embedding
Periodic Acid
Puncture Biopsy
Rabbits
Segmental glomerulosclerosis
Solon
Human renal mesangial cells (HRMCs) were purchased from ScienCell Research (San Diego, United States), and the mouse mesangial cell (MMC) line SV40 MES-13 was purchased from the American Type Culture Collection (ATCC). All cells were cultured in DMEM (Gibco, United States) containing 10% fetal bovine serum (Gibco, Australia), streptomycin (100 μg/mL) and penicillin (100 U/mL) at 37°C and 5% CO2. Standard medium containing 5 mM D-glucose was used for the normal glucose (NG) condition. We added 20 mM glucose (yielding a final concentration of 25 mM) or mannitol for the high glucose (HG) condition or osmotic control (MA) and stimulated the cells for 48 h. The concentration was chosen based on our previous studies (Lu et al., 2015 (link); Wang et al., 2018a (link); Ma et al., 2019 (link)).
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Cell Lines
Fetal Bovine Serum
Glucose
Homo sapiens
Mannitol
Mesangial Cells, Kidney
Mesangiums, Glomerular
Mus
Osmosis
Penicillins
Simian virus 40
Streptomycin
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The SV40 MES 13 is a laboratory equipment product offered by American Type Culture Collection. It is designed for cell culture applications, but a detailed description of its core function cannot be provided while maintaining an unbiased and factual approach. More information may be available from the manufacturer.
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Penicillin/streptomycin is a commonly used antibiotic solution for cell culture applications. It contains a combination of penicillin and streptomycin, which are broad-spectrum antibiotics that inhibit the growth of both Gram-positive and Gram-negative bacteria.
More about "Mesangiums, Glomerular"
Mesangial cells play a vital role in the glomerular filtration process within the kidneys.
This specialized region, known as the mesangium, consists of mesangial cells and the surrounding extracellular matrix.
The mesangium is crucial for regulating glomerular filtration and maintaining the structural integrity of the glomerulus, the functional unit of the kidney.
Understanding the biology and pathology of the mesangium is essential for the study of various kidney diseases, such as glomerulonephritis and diabetic nephropathy.
Researchers can leverage the power of PubCompare.ai's AI-powered platform to optimize their research protocols focused on this key component of the renal glomerulus.
PubCompare.ai's innovative tool helps researchers locate the best protocols from literature, pre-prints, and patents through intelligent comparisons and analysis.
This cutting-edge technology can unlock the potential of research by providing researchers with the ability to explore and compare various experimental methodologies, including the use of FBS, Image-Pro Plus 6.0, SV40 MES 13 cells, DMEM, AX10 microscope, Image-Pro Plus software, Lipofectamine 2000, BX43 microscope, Cryo NHMC, and Penicillin/streptomycin.
By leveraging PubCompare.ai's AI-powered platform, researchers can streamline their investigations and gain valuable insights into the mesangial cells and the glomerular filtration process, ultimately advancing our understanding of kidney health and disease.
This specialized region, known as the mesangium, consists of mesangial cells and the surrounding extracellular matrix.
The mesangium is crucial for regulating glomerular filtration and maintaining the structural integrity of the glomerulus, the functional unit of the kidney.
Understanding the biology and pathology of the mesangium is essential for the study of various kidney diseases, such as glomerulonephritis and diabetic nephropathy.
Researchers can leverage the power of PubCompare.ai's AI-powered platform to optimize their research protocols focused on this key component of the renal glomerulus.
PubCompare.ai's innovative tool helps researchers locate the best protocols from literature, pre-prints, and patents through intelligent comparisons and analysis.
This cutting-edge technology can unlock the potential of research by providing researchers with the ability to explore and compare various experimental methodologies, including the use of FBS, Image-Pro Plus 6.0, SV40 MES 13 cells, DMEM, AX10 microscope, Image-Pro Plus software, Lipofectamine 2000, BX43 microscope, Cryo NHMC, and Penicillin/streptomycin.
By leveraging PubCompare.ai's AI-powered platform, researchers can streamline their investigations and gain valuable insights into the mesangial cells and the glomerular filtration process, ultimately advancing our understanding of kidney health and disease.