Age-associated decline in T cell repertoire diversity leads to holes in the repertoire and impaired immunity to influenza virus

EJ Yager, M Ahmed, K Lanzer, TD Randall… - The Journal of …, 2008 - rupress.org
A diverse T cell repertoire is essential for a vigorous immune response to new infections, and
decreasing repertoire diversity has been implicated in the age-associated decline in CD8 T …

[HTML][HTML] Evaluation of phenolic contents and antioxidant activity of various solvent extracts of Sonchus asper (L.) Hill

RA Khan, MR Khan, S Sahreen, M Ahmed - Chemistry Central Journal, 2012 - Springer
Background Sonchus asper (SA) is traditionally used for the treatment of various ailments
associated with liver, lungs and kidneys. This study was aimed to investigate the therapeutic …

Clonal expansions and loss of receptor diversity in the naive CD8 T cell repertoire of aged mice

M Ahmed, KG Lanzer, EJ Yager, PS Adams… - The Journal of …, 2009 - journals.aai.org
There are well-characterized age-related changes in the peripheral repertoire of CD8 T cells
characterized by reductions in the ratio of naive: memory T cells and the development of …

Mutations in 15-hydroxyprostaglandin dehydrogenase cause primary hypertrophic osteoarthropathy

…, CP Diggle, IM Carr, CWG Fishwick, M Ahmed… - Nature …, 2008 - nature.com
Digital clubbing, recognized by Hippocrates in the fifth century BC, is the outward hallmark
of pulmonary hypertrophic osteoarthropathy, a clinical constellation that develops secondary …

Nanomaterials: Applications, waste-handling, environmental toxicities, and future challenges–A review

…, E Ali, R Abro, FSA Khan, I Ahmed, M Ahmed… - Journal of …, 2021 - Elsevier
Currently, nanotechnology is referred to be one of the attractive research sectors in several
countries because of its vast potential and commercial impact. Nanotechnology includes the …

[HTML][HTML] Responses to acute infection with SARS-CoV-2 in the lungs of rhesus macaques, baboons and marmosets

…, A Baum, C Kyratsous, X Alvarez, M Ahmed… - Nature …, 2021 - nature.com
Non-human primate models will expedite therapeutics and vaccines for coronavirus
disease 2019 (COVID-19) to clinical trials. Here, we compare acute severe acute respiratory …

[HTML][HTML] Assessment of flavonoids contents and in vitro antioxidant activity of Launaea procumbens

RA Khan, MR Khan, S Sahreen, M Ahmed - Chemistry Central Journal, 2012 - Springer
Background Launaea procumbens (LP) has been used as a food supplement in Pakistan.
In this study methanolic crude extract (LPME) of the whole plant and its different fractions; n-…

IL‐23‐dependent IL‐17 drives Th1‐cell responses following Mycobacterium bovis BCG vaccination

…, S Slight, N Nuthalapati, M Ahmed… - European journal of …, 2012 - Wiley Online Library
The generation of effective type 1 T helper (Th1)‐cell responses is required for immunity
against intracellular bacteria. However, some intracellular bacteria require interleukin (IL)‐17 to …

IL-17 in obesity and adipogenesis

M Ahmed, SL Gaffen - Cytokine & growth factor reviews, 2010 - Elsevier
The pro-inflammatory cytokine interleukin (IL)-17 (also known as IL-17) has been associated
with induction of tissue inflammation. Obese individuals exhibit many symptoms of chronic …

Antigen-specific B cells direct T follicular-like helper cells into lymphoid follicles to mediate Mycobacterium tuberculosis control

…, SK Mbandi, BA Rosa, S Akter, S Das, M Ahmed… - Nature …, 2023 - nature.com
Tuberculosis (TB), caused by Mycobacterium tuberculosis (Mtb), is a global cause of death.
Granuloma-associated lymphoid tissue (GrALT) correlates with protection during TB, but the …