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What is a CD5?

What is a CD5?

CD5 is a cluster of differentiation found on a subset of IgM-secreting B cells called B-1 cells, and also on T cells. B-1 cells have limited diversity of their B-cell receptor due to their lack of the enzyme terminal deoxynucleotidyl transferase and are potentially self-reactive.

Do you need a permit for scaffolding NYC?

Permits. Licensed Contractors are required to obtain permit for the installation of a scaffold, with the below exceptions per BC 3314.2: Supported Scaffold.

How long does it take to get a NYC DOB permit?

Typically they say it takes 4-6 weeks to for the DOB to review an Alt II application once submitted. Sometimes its sooner, a lot of times its longer. You will need to hire an expeditor to submit the application to the DOB, unless your architect does this, which is sometime the case.

What is hanging scaffold?

A hanging scaffold is a scaffold hung from a structure that is static in the vertical plane; it cannot be raised or lowered by any means. Hanging scaffolds can be hung from tubes, wire ropes, ropes or chains etc. Hanging scaffolds are classified as a special duty scaffold and should be designed and notified as such.

What does CD23 positive mean?

CD23 antigen is a cell surface protein considered important in the differentiation of chronic lymphocytic leukemia (CLL) from other lymphoid leukemias.

What does CD5 positive T cells mean?

CD5high T Cells in Spleen and Lymph Nodes Exhibit Increased Effector Function. Upon activation, T cells express high levels of CD5 and this increase was associated with increased activation markers. However, these activation markers can also be expressed by exhausted T cells.

What does CD5 negative mean?

In our study, CD5 negativity was defined as a situation where fewer than 20% of cells expressed CD5. CD5-negative B-CLL usually has been associated with a higher incidence of splenomegaly.

Do B cells express CD5?

B cells of most of the chronic lymphoid leukemias express CD5 molecules and, surprisingly, these cells may be expanded in non-organ-specific autoimmune diseases, such as rheumatoid arthritis or primary Sjögren’s syndrome.

What is CD20 positive?

A protein found on B cells (a type of white blood cell). It may be found in higher than normal amounts in patients with certain types of B-cell lymphomas and leukemias. Measuring the amount of CD20 on blood cells may help to diagnose cancer or plan cancer treatment. CD20 is a type of tumor marker.

What does CD3 positive mean?

To our knowledge, this represents the first series report of B-cell NHL coexpressing T-lineage-specific marker CD3. The identification of such cases indicates that the use of CD3 antibody alone in paraffin sections may lead to an incorrect determination of cell lineage in some B-cell NHL.

Can you not work on a scaffold until?

Employees are not permitted to work on those construction or facility surfaces until it has been determined that the surfaces have the requisite strength and structural integrity to support the workers.

What type of permit does the NYC Administrative Code classify scaffold permitting as?

Temporary construction equipment permits: for the erection, installation and use of temporary structures to facilitate construction and/or for public or worker safety during construction, including but not limited to temporary fences, railings, catch platforms, over-the-sidewalk chutes, footbridges, sidewalk sheds, and …