Probing
the T cells in the lab, they saw that cells from the children who continued down the path toward type 1 diabetes were not normal.
Not exact matches
This new kind of approach to fighting blood cancers is truly personalized; immune
T -
cells are extracted from patients, genetically tinkered to home
in on an destroy cancerous
cells, multiplied
in a
lab, and then jolted back into the patient's body within about two weeks.
«Our
lab specializes
in developing novel genetic methodologies to study
T cell repertoires, but we had never applied this technology to study how the immune system responds to an infection,» says Emanual Maverakis, M.D., associate professor of dermatology at the University of California, Davis School of Medicine.
They found high levels of the regulatory
T -
cells in patients treated with post-transplant cyclophosphamide, and
lab - cultured
cells survived cyclophosphamide treatment.
The scientists also showed,
in lab - cultured human
cells, that an ALDH - blocking drug strips regulatory
T -
cells of their ability to grow and protect themselves from cyclophosphamide.
Next, the team tested the GD2 CAR -
T cells in mice whose brainstem was implanted with human DIPG tumors, an experimental system that Monje's
lab pioneered.
For the past several years, researchers have been modifying
T cells so they can attack leukemia, but the
cells must be painstakingly isolated from the patients themselves and grown
in a
lab.
After the modified
T cells make many copies of themselves
in the
lab, they're unleashed
in the patient's bloodstream to find and kill cancer
cells.
Because regulatory
T cells reduce inflammation
in lab animals, cardiologist Ziad Mallat at the French National Institute of Health
in Paris and his colleagues theorized that regulatory
T cells are trying to protect against atherosclerosis.
The researchers found that the protein, called VRC07 - αCD3, triggered the activation and killing of latently HIV - infected helper
T cells when the
cells were taken from patients on antiretroviral therapy and then incubated
in the
lab with the patients» own killer
T cells.
«We studied human
T cells, isolated from blood donors of all ages, to compare mature cytotoxic
T cells with naive ones,» said Philip Ansumana Hull, graduate student
in Ott's
lab and one of the first authors of the study.
«This one - two punch of discoveries underscores the critical value of basic science — by uncovering the major cause of CD4
T cell depletion
in AIDS, Dr. Greene's
lab has been able to identify a potential new therapy for blocking the disease's progression and improving on current antiretroviral medications.»
«Our
lab is interested
in understanding how
T -
cell identity is established,» Vahedi said.
Soon Payne's
lab teamed up with Milone's, which studies CAR
T cell technology,
in the hope of finding a powerful new way to treat these ailments.
Around the same time, Irvine's
lab developed a new type of
T cell vaccine that hitches a ride to the lymph nodes by latching on to the protein albumin, found
in the bloodstream.
By blocking a specific
cell signaling pathway
in lab animals, researchers reversed signs of chronic immune activation, thereby boosting
T -
cell recovery and viral suppression.
Often unrecognized are the countless folks who work
in the spaces between the
lab and the clinic — people responsible for doing everything from manufacturing CAR
T cells to gaining federal approval for new trials.
Rather than round up a patient's
T cells and re-engineer them
in a
lab to find cancer, this treatment harvests a class of immune «helpers» called dendritic
cells.
The Dellabona / Casorati
lab investigates
T cell responses
in tumor immunosurveillance and immunotherapy, by combining a variety of approaches
in pre-clinical and clinical models.
Now, a new STEM
CELLS study from the labs of Qing - Ling Fu (Sun Yat - sen University, Guangzhou) and Zhongquan Qi (Xiamen University, Fujian, PR China) has described the effect of iPSC - MSCs on immune T cells in a relevant in vivo mouse m
CELLS study from the
labs of Qing - Ling Fu (Sun Yat - sen University, Guangzhou) and Zhongquan Qi (Xiamen University, Fujian, PR China) has described the effect of iPSC - MSCs on immune
T cells in a relevant in vivo mouse m
cells in a relevant
in vivo mouse model.
In CAR
T therapy, a person's own
T cells — disease - fighting immune
cells — are removed and sent to a
lab where they are genetically re-engineered to produce chimeric antigen receptors (CARs) on their surface.
His plans for research
in his own
lab involve «continuing to look at the mechanisms of
T cell dysfunction
in human and mice.
«We knew that TET proteins were involved
in human cancer but we didn'
t know how they regulated
T cell development,» says Angeliki Tsagaratou, Ph.D., an instructor
in the Rao
lab and the study's first author.
SENS Foundation is funding ongoing work
in the
lab of Dr. Janko Nikolich - Zugich to investigate the effects of clearance of anergic, «senescent» cytotoxic CD8 +
T -
cells on immunosenescence, (22) and is interested
in the targeting of other such
cells.
The Sette
lab's research on DENV encompasses large - scale epitope identification (supported by an HHS contract) and diverse studies towards understanding the role of
T cells and HLA variants
in the development of (or protection from) DENV disease (supported
in part by a consortium grant led by Eva Harris at UC Berkeley).
The
lab is characterizing the quantity and quality (i.e. B and
T cell) of the immune responses induced or generated by these DNA plasmids
in order to improve their ability to mediate virus neutralization and clearance.
Although progress toward harnessing the immune system to attack tumors has been «enormous,» he said, his
lab and many others are seeing
in more and more studies —
in lab mice as well as patients — that «immuno - oncology» will not be as simple as stimulating
T cells to attack tumors.
His
lab has extensive experience evaluating and modulating
T cell responses to tumors and viruses, including introducing genes into
T cells to impart specificity and modulate function, designing strategies to overcome tolerance and enhance
in vivo activity, and developing mouse models that more accurately model human immune responses to candidate vaccines.
As part of a large NIH - funded effort to develop immunotherapies for this allergy (the Inner City Asthma Consortium, or ICAC), the Sette
lab has thus identified dominant epitopes to characterize
T cell responses
in allergic individuals before and after immunotherapy.
Adrienne Long, an M.D. / Ph.D. student at Northwestern University presented a fascinating talk aimed at understanding why CAR -
Ts specific for GD2, an antigen found on sarcoma
cells, work
in the
lab but have no activity
in the clinic.
CAR -
T cell therapy is a specific form of adoptive
T cell transfer
in which
T cells are removed from the patient, genetically engineered
in the
lab to recognize a cancer antigen, expanded to billions of copies, and then returned to the patient.
«We systematically screened over 50 methyltransferases to determine which ones regulate latency
in infected
T cells,» said Daniela Boehm, postdoctoral scholar
in the Ott
lab and first author of the study.
Important reports from the Weiner
lab include the first DNA vaccine studied for HIV as well as for cancer immune therapy of cutaneous
T cell lymphoma, the early development of DNA encoded genetic adjuvants, including IL - 12, advances
in gene optimization, and advances
in electroporation technologies resulting
in improved gene delivery.
He decided to branch into other fields
in his quest to better engineer cancer - destroying
T cells and joined the
lab of nanoparticle expert Dr. Darrell Irvine at the Massachusetts Institute of Technology.
While the cancer normally excludes immune
T -
cells, the Evans
lab discovered that modified vitamin D reprograms the cancer environment
in a way that may allow the Merck drug Keytruda ® to invade and destroy the tumor.
As part of my medical training
in hematology and oncology, I began a postdoc at MIT
in the
lab of Herman Eisen
in the early eighties when molecular biology was just coming into its own: The
T -
cell receptor had just been discovered (work to which the Eisen
lab contributed), and HIV was about to be identified as the cause of AIDS.