Related Experiment Video
Updated: Jan 31, 2026

07:52
Multiplexed Fluorescent Immunohistochemical Staining, Imaging, and Analysis in Histological Samples of Lymphoma
Published on: January 9, 2019
20.5K
Correlation between Immunohistochemical Subtype and Clinicopathological Features in Patients with Diffuse Large
Ana-Maria Patrascu1, Liliana Streba2, Ş Patrascu3
1Department of Hematology, University of Medicine and Pharmacy of Craiova, Romania.
Current Health Sciences Journal
|January 1, 2019
Summary
This study found that high International Prognostic Index (IPI) scores and non-germinal center B-cell (GCB) diffuse large B-cell lymphoma (DLBCL) subtypes correlate with lower survival rates. Combining IPI and cell-of-origin classification improves prognostic evaluation for DLBCL patients.
Area of Science:
- Hematology
- Oncology
- Molecular Biology
Background:
- Diffuse large B-cell lymphoma (DLBCL) is a heterogeneous disease with variable clinical outcomes.
- Accurate prognostic stratification is crucial for optimizing treatment strategies in DLBCL.
- Understanding the interplay between clinical factors and molecular subtypes is essential for personalized medicine.
Observation:
- A cohort of 97 patients with de novo DLBCL diagnosed between 2007 and 2016 was analyzed.
- Clinical, biological, and therapeutic factors were assessed for their correlation with DLBCL subtypes.
- The study specifically investigated the relationship between the International Prognostic Index (IPI) and cell-of-origin (COO) classification.
Findings:
- A significant positive correlation was observed between a high IPI score and the non-germinal center B-cell (non-GCB) DLBCL subtype.
- Patients with high IPI and non-GCB DLBCL exhibited significantly lower survival rates compared to those with low IPI and GCB DLBCL.
- The combination of IPI scoring and COO classification demonstrated a stronger prognostic value than either factor alone.
Implications:
- The findings suggest that the IPI scoring system and COO classification should be integrated as a unified prognostic evaluation tool for DLBCL.
- This combined approach can aid clinicians in more accurately predicting patient outcomes and tailoring therapeutic interventions.
- Further research validating this combined prognostic model in larger, diverse patient populations is warranted.
Related Concept Videos
Diffusion
218.5K
Diffusion is the passive movement of substances down their concentration gradients—requiring no expenditure of cellular energy. Substances, such as molecules or ions, diffuse from an area of high concentration to an area of low concentration in the cytosol or across membranes. Eventually, the concentration will even out, with the substance moving randomly but causing no net change in concentration. Such a state is called dynamic equilibrium, which is essential for maintaining overall...
218.5K
Diffusion
6.4K
Diffusion is a type of passive transport. In passive transport, a substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across the space. For example, take the diffusion of substances through the air. When someone opens a perfume bottle in a room filled with people, the perfume is at its highest concentration in the bottle and is at its lowest at the edges of the room. The perfume vapor will diffuse, or spread away, from the...
6.4K
Correlations
35.9K
Correlation means that there is a relationship between two or more variables (such as ice cream consumption and crime), but this relationship does not necessarily imply cause and effect. When two variables are correlated, it simply means that as one variable changes, so does the other. We can measure correlation by calculating a statistic known as a correlation coefficient. A correlation coefficient is a number from -1 to +1 that indicates the strength and direction of the relationship between...
35.9K
Correlation and Causation
42.6K
Statistical tests can calculate whether there is a relationship, or correlation, between independent and dependent variables. An indirect relationship of the variables signifies a correlation, while a direct relationship shows causation. If it is determined that no connection exists between the variables, then the correlation is a coincidence.
Correlation versus Causation
If the dependent variable increases or decreases when the independent variable increases, there is a positive or negative...
Correlation versus Causation
If the dependent variable increases or decreases when the independent variable increases, there is a positive or negative...
42.6K
Correlation
15.1K
In statistics, two variables are said to be correlated if the values of one variable are associated with the other variable. Depending on the relationship between two variables, correlation can be of three types– positive correlation, negative correlation, and zero correlation.
Two variables, for example, a and b, are said to be positively correlated if both variables move in the same direction. In other words, a positive correlation exists between two variables, a and b, if:
Two variables, for example, a and b, are said to be positively correlated if both variables move in the same direction. In other words, a positive correlation exists between two variables, a and b, if:
15.1K
Adrenergic Receptors: ɑ Subtype
2.9K
Adrenoceptors are classified into α and ꞵ classes based on their potencies to catecholamine agonists. α-adrenoceptors show the following order of catecholamine potency:
Adrenaline ≥ Noradrenaline >> Isoprenaline
α-adrenoceptors are further divided into α1 and α2-adrenoceptors.
α1-Adrenoceptors: These receptors are located postsynaptically on the effector organs and cause constriction of smooth muscle mediated by activation of phospholipase...
Adrenaline ≥ Noradrenaline >> Isoprenaline
α-adrenoceptors are further divided into α1 and α2-adrenoceptors.
α1-Adrenoceptors: These receptors are located postsynaptically on the effector organs and cause constriction of smooth muscle mediated by activation of phospholipase...
2.9K

