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Glossary Immune Response

body's defense mechanism against harmful pathogens and foreign substances

The immune response, also known as the immunological response, is the body's defense mechanism against harmful pathogens like bacteria, viruses, and other foreign substances. It involves the activation of immune cells, such as white blood cells, which identify, attack, and eliminate these invaders to protect the body from infections and diseases. This process can also mistakenly target the body's own cells, leading to autoimmune conditions like alopecia areata, where the immune system attacks hair follicles, causing hair loss.

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Research

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research Hair care: Stem cells control immune response during wound repair

2 citations , May 2024 in “Immunity”

In this study, Luan et al. showed that epidermal stem cells play a key role in wound healing by coordinating the recruitment of regulatory T cells and neutrophils, which help balance immune tolerance and inflammation.

research Author response: Role of distinct fibroblast lineages and immune cells in dermal repair following UV radiation-induced tissue damage

November 2021

This study found that the loss of papillary fibroblasts in the skin due to UV radiation is mainly caused by an uncontrolled inflammatory response, with T cells helping fibroblast survival.

research Gene Array Profiling and Immunomodulation Studies Define a Cell-Mediated Immune Response Underlying the Pathogenesis of Alopecia Areata in a Mouse Model and Humans

114 citations , August 2002 in “Journal of Investigative Dermatology”

Alopecia areata is caused by an immune response, and targeting immune cells might help treat it.

Humanized CXCL12 Antibody Delays Onset and Modulates Immune Response in Alopecia Areata Mice: Insights from Single-Cell RNA Sequencing

research Humanized CXCL12 antibody delays onset and modulates immune response in alopecia areata mice: insights from single-cell RNA sequencing

7 citations , October 2024 in “Frontiers in Immunology”

In this study, researchers prepared a humanized CXCL12 antibody for alopecia areata treatment, finding it significantly delayed disease onset in mice and reduced immune cell activation, suggesting potential as an immune modulatory therapy.

research SIRT1 downregulation provokes immune-inflammatory responses in hair follicle outer root sheath cells and may contribute to development of alopecia areata

13 citations , May 2023 in “Journal of Dermatological Science”

This research found that reduced expression of SIRT1 in human scalp tissue may contribute to alopecia areata development by inducing immune-inflammatory responses in hair follicle cells, suggesting that SIRT1 plays a regulatory role in hair follicle immunity.

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Community Join

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community People are misunderstanding PP405. 31% response at 8 weeks is better than you think

181 upvotes 1 year ago

PP405 shows promise as a hair loss treatment, with 31% experiencing increased hair density in a short trial. It may complement treatments like finasteride and minoxidil, but long-term effectiveness and safety need confirmation.

community My Theory Of Androgenic Alopecia

16 upvotes 9 months ago

Hair loss is linked to cellular physiology and the IGF-1 to TGF-B1 ratio, not just androgen sensitivity. The theory lacks evidence, while finasteride and minoxidil are effective treatments.

community A Study I came along by mistake researching (Dutasteride +Pumpkin seed oil ) for every other day use.

16 upvotes 3 months ago

Alternating Dutasteride with pumpkin seed oil may protect the spleen from damage caused by Dutasteride. Pumpkin seed oil's antioxidants help counteract oxidative stress and immune suppression.

community PP405: The Ultimate Hair Loss Drug for Complete Hair Growth

211 upvotes 1 year ago

PP405 is a new hair loss treatment in phase 2 trials that may promote hair growth by increasing lactate production and activating hair follicle stem cells. It could potentially replace hormone-disrupting treatments like Minoxidil and finasteride.

community fin 0.5 mg everday 6 months update

in Finasteride/Dutasteride 28 upvotes 2 years ago

The post discusses the experiences of individuals with diffuse hair thinning using finasteride, with many reporting no improvement or worsening conditions after 6 months. Various suggestions include persisting with the treatment, checking for underlying conditions, adding minoxidil for volume, adjusting dosage, and considering other potential causes like autoimmune responses and inflammation.

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Learn

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learn Stem Cell Factor

learn Osteopontin

signaling protein that, when suppressed, may grow hair by reducing inflammation and stem cell loss

learn Alopecia Areata

autoimmune disorder causing patchy hair loss

learn Neem Oil

natural substance from Neem tree with medicinal and pesticidal properties

learn procapil

Tried everything and still getting bald patches? Procapil may help calm the immune response Procapil is a cosmetic ingredient complex; laboratory studies of its individual ingredients report anti-inflammatory effects, but no published clinical trial has tested it in alopecia areata or any other immune-related hair loss. Spreading bald patches should be assessed by a dermatologist.

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